Source file src/cmd/compile/internal/ssa/rewriteARM64.go

     1  // Code generated from _gen/ARM64.rules using 'go generate'; DO NOT EDIT.
     2  
     3  package ssa
     4  
     5  import "cmd/compile/internal/types"
     6  import "cmd/compile/internal/ssa/block"
     7  
     8  func rewriteValueARM64(v *Value) bool {
     9  	switch v.Op {
    10  	case OpARM64ADCSflags:
    11  		return rewriteValueARM64_OpARM64ADCSflags(v)
    12  	case OpARM64ADD:
    13  		return rewriteValueARM64_OpARM64ADD(v)
    14  	case OpARM64ADDSflags:
    15  		return rewriteValueARM64_OpARM64ADDSflags(v)
    16  	case OpARM64ADDconst:
    17  		return rewriteValueARM64_OpARM64ADDconst(v)
    18  	case OpARM64ADDshiftLL:
    19  		return rewriteValueARM64_OpARM64ADDshiftLL(v)
    20  	case OpARM64ADDshiftRA:
    21  		return rewriteValueARM64_OpARM64ADDshiftRA(v)
    22  	case OpARM64ADDshiftRL:
    23  		return rewriteValueARM64_OpARM64ADDshiftRL(v)
    24  	case OpARM64AND:
    25  		return rewriteValueARM64_OpARM64AND(v)
    26  	case OpARM64ANDconst:
    27  		return rewriteValueARM64_OpARM64ANDconst(v)
    28  	case OpARM64ANDshiftLL:
    29  		return rewriteValueARM64_OpARM64ANDshiftLL(v)
    30  	case OpARM64ANDshiftRA:
    31  		return rewriteValueARM64_OpARM64ANDshiftRA(v)
    32  	case OpARM64ANDshiftRL:
    33  		return rewriteValueARM64_OpARM64ANDshiftRL(v)
    34  	case OpARM64ANDshiftRO:
    35  		return rewriteValueARM64_OpARM64ANDshiftRO(v)
    36  	case OpARM64BIC:
    37  		return rewriteValueARM64_OpARM64BIC(v)
    38  	case OpARM64BICshiftLL:
    39  		return rewriteValueARM64_OpARM64BICshiftLL(v)
    40  	case OpARM64BICshiftRA:
    41  		return rewriteValueARM64_OpARM64BICshiftRA(v)
    42  	case OpARM64BICshiftRL:
    43  		return rewriteValueARM64_OpARM64BICshiftRL(v)
    44  	case OpARM64BICshiftRO:
    45  		return rewriteValueARM64_OpARM64BICshiftRO(v)
    46  	case OpARM64CMN:
    47  		return rewriteValueARM64_OpARM64CMN(v)
    48  	case OpARM64CMNW:
    49  		return rewriteValueARM64_OpARM64CMNW(v)
    50  	case OpARM64CMNWconst:
    51  		return rewriteValueARM64_OpARM64CMNWconst(v)
    52  	case OpARM64CMNconst:
    53  		return rewriteValueARM64_OpARM64CMNconst(v)
    54  	case OpARM64CMNshiftLL:
    55  		return rewriteValueARM64_OpARM64CMNshiftLL(v)
    56  	case OpARM64CMNshiftRA:
    57  		return rewriteValueARM64_OpARM64CMNshiftRA(v)
    58  	case OpARM64CMNshiftRL:
    59  		return rewriteValueARM64_OpARM64CMNshiftRL(v)
    60  	case OpARM64CMP:
    61  		return rewriteValueARM64_OpARM64CMP(v)
    62  	case OpARM64CMPW:
    63  		return rewriteValueARM64_OpARM64CMPW(v)
    64  	case OpARM64CMPWconst:
    65  		return rewriteValueARM64_OpARM64CMPWconst(v)
    66  	case OpARM64CMPconst:
    67  		return rewriteValueARM64_OpARM64CMPconst(v)
    68  	case OpARM64CMPshiftLL:
    69  		return rewriteValueARM64_OpARM64CMPshiftLL(v)
    70  	case OpARM64CMPshiftRA:
    71  		return rewriteValueARM64_OpARM64CMPshiftRA(v)
    72  	case OpARM64CMPshiftRL:
    73  		return rewriteValueARM64_OpARM64CMPshiftRL(v)
    74  	case OpARM64CSEL:
    75  		return rewriteValueARM64_OpARM64CSEL(v)
    76  	case OpARM64CSEL0:
    77  		return rewriteValueARM64_OpARM64CSEL0(v)
    78  	case OpARM64CSETM:
    79  		return rewriteValueARM64_OpARM64CSETM(v)
    80  	case OpARM64CSINC:
    81  		return rewriteValueARM64_OpARM64CSINC(v)
    82  	case OpARM64CSINV:
    83  		return rewriteValueARM64_OpARM64CSINV(v)
    84  	case OpARM64CSNEG:
    85  		return rewriteValueARM64_OpARM64CSNEG(v)
    86  	case OpARM64DIV:
    87  		return rewriteValueARM64_OpARM64DIV(v)
    88  	case OpARM64DIVW:
    89  		return rewriteValueARM64_OpARM64DIVW(v)
    90  	case OpARM64EON:
    91  		return rewriteValueARM64_OpARM64EON(v)
    92  	case OpARM64EONshiftLL:
    93  		return rewriteValueARM64_OpARM64EONshiftLL(v)
    94  	case OpARM64EONshiftRA:
    95  		return rewriteValueARM64_OpARM64EONshiftRA(v)
    96  	case OpARM64EONshiftRL:
    97  		return rewriteValueARM64_OpARM64EONshiftRL(v)
    98  	case OpARM64EONshiftRO:
    99  		return rewriteValueARM64_OpARM64EONshiftRO(v)
   100  	case OpARM64Equal:
   101  		return rewriteValueARM64_OpARM64Equal(v)
   102  	case OpARM64FADDD:
   103  		return rewriteValueARM64_OpARM64FADDD(v)
   104  	case OpARM64FADDS:
   105  		return rewriteValueARM64_OpARM64FADDS(v)
   106  	case OpARM64FCMPD:
   107  		return rewriteValueARM64_OpARM64FCMPD(v)
   108  	case OpARM64FCMPS:
   109  		return rewriteValueARM64_OpARM64FCMPS(v)
   110  	case OpARM64FCSELD:
   111  		return rewriteValueARM64_OpARM64FCSELD(v)
   112  	case OpARM64FCSELS:
   113  		return rewriteValueARM64_OpARM64FCSELS(v)
   114  	case OpARM64FCVTDS:
   115  		return rewriteValueARM64_OpARM64FCVTDS(v)
   116  	case OpARM64FLDPQ:
   117  		return rewriteValueARM64_OpARM64FLDPQ(v)
   118  	case OpARM64FMOVDfpgp:
   119  		return rewriteValueARM64_OpARM64FMOVDfpgp(v)
   120  	case OpARM64FMOVDgpfp:
   121  		return rewriteValueARM64_OpARM64FMOVDgpfp(v)
   122  	case OpARM64FMOVDload:
   123  		return rewriteValueARM64_OpARM64FMOVDload(v)
   124  	case OpARM64FMOVDloadidx:
   125  		return rewriteValueARM64_OpARM64FMOVDloadidx(v)
   126  	case OpARM64FMOVDloadidx8:
   127  		return rewriteValueARM64_OpARM64FMOVDloadidx8(v)
   128  	case OpARM64FMOVDstore:
   129  		return rewriteValueARM64_OpARM64FMOVDstore(v)
   130  	case OpARM64FMOVDstoreidx:
   131  		return rewriteValueARM64_OpARM64FMOVDstoreidx(v)
   132  	case OpARM64FMOVDstoreidx8:
   133  		return rewriteValueARM64_OpARM64FMOVDstoreidx8(v)
   134  	case OpARM64FMOVQload:
   135  		return rewriteValueARM64_OpARM64FMOVQload(v)
   136  	case OpARM64FMOVQstore:
   137  		return rewriteValueARM64_OpARM64FMOVQstore(v)
   138  	case OpARM64FMOVSload:
   139  		return rewriteValueARM64_OpARM64FMOVSload(v)
   140  	case OpARM64FMOVSloadidx:
   141  		return rewriteValueARM64_OpARM64FMOVSloadidx(v)
   142  	case OpARM64FMOVSloadidx4:
   143  		return rewriteValueARM64_OpARM64FMOVSloadidx4(v)
   144  	case OpARM64FMOVSstore:
   145  		return rewriteValueARM64_OpARM64FMOVSstore(v)
   146  	case OpARM64FMOVSstoreidx:
   147  		return rewriteValueARM64_OpARM64FMOVSstoreidx(v)
   148  	case OpARM64FMOVSstoreidx4:
   149  		return rewriteValueARM64_OpARM64FMOVSstoreidx4(v)
   150  	case OpARM64FMULD:
   151  		return rewriteValueARM64_OpARM64FMULD(v)
   152  	case OpARM64FMULS:
   153  		return rewriteValueARM64_OpARM64FMULS(v)
   154  	case OpARM64FNEGD:
   155  		return rewriteValueARM64_OpARM64FNEGD(v)
   156  	case OpARM64FNEGS:
   157  		return rewriteValueARM64_OpARM64FNEGS(v)
   158  	case OpARM64FNMULD:
   159  		return rewriteValueARM64_OpARM64FNMULD(v)
   160  	case OpARM64FNMULS:
   161  		return rewriteValueARM64_OpARM64FNMULS(v)
   162  	case OpARM64FSTPQ:
   163  		return rewriteValueARM64_OpARM64FSTPQ(v)
   164  	case OpARM64FSUBD:
   165  		return rewriteValueARM64_OpARM64FSUBD(v)
   166  	case OpARM64FSUBS:
   167  		return rewriteValueARM64_OpARM64FSUBS(v)
   168  	case OpARM64GreaterEqual:
   169  		return rewriteValueARM64_OpARM64GreaterEqual(v)
   170  	case OpARM64GreaterEqualF:
   171  		return rewriteValueARM64_OpARM64GreaterEqualF(v)
   172  	case OpARM64GreaterEqualNoov:
   173  		return rewriteValueARM64_OpARM64GreaterEqualNoov(v)
   174  	case OpARM64GreaterEqualU:
   175  		return rewriteValueARM64_OpARM64GreaterEqualU(v)
   176  	case OpARM64GreaterThan:
   177  		return rewriteValueARM64_OpARM64GreaterThan(v)
   178  	case OpARM64GreaterThanF:
   179  		return rewriteValueARM64_OpARM64GreaterThanF(v)
   180  	case OpARM64GreaterThanU:
   181  		return rewriteValueARM64_OpARM64GreaterThanU(v)
   182  	case OpARM64LDP:
   183  		return rewriteValueARM64_OpARM64LDP(v)
   184  	case OpARM64LessEqual:
   185  		return rewriteValueARM64_OpARM64LessEqual(v)
   186  	case OpARM64LessEqualF:
   187  		return rewriteValueARM64_OpARM64LessEqualF(v)
   188  	case OpARM64LessEqualU:
   189  		return rewriteValueARM64_OpARM64LessEqualU(v)
   190  	case OpARM64LessThan:
   191  		return rewriteValueARM64_OpARM64LessThan(v)
   192  	case OpARM64LessThanF:
   193  		return rewriteValueARM64_OpARM64LessThanF(v)
   194  	case OpARM64LessThanNoov:
   195  		return rewriteValueARM64_OpARM64LessThanNoov(v)
   196  	case OpARM64LessThanU:
   197  		return rewriteValueARM64_OpARM64LessThanU(v)
   198  	case OpARM64LoweredPanicBoundsCR:
   199  		return rewriteValueARM64_OpARM64LoweredPanicBoundsCR(v)
   200  	case OpARM64LoweredPanicBoundsRC:
   201  		return rewriteValueARM64_OpARM64LoweredPanicBoundsRC(v)
   202  	case OpARM64LoweredPanicBoundsRR:
   203  		return rewriteValueARM64_OpARM64LoweredPanicBoundsRR(v)
   204  	case OpARM64MADD:
   205  		return rewriteValueARM64_OpARM64MADD(v)
   206  	case OpARM64MADDW:
   207  		return rewriteValueARM64_OpARM64MADDW(v)
   208  	case OpARM64MNEG:
   209  		return rewriteValueARM64_OpARM64MNEG(v)
   210  	case OpARM64MNEGW:
   211  		return rewriteValueARM64_OpARM64MNEGW(v)
   212  	case OpARM64MOD:
   213  		return rewriteValueARM64_OpARM64MOD(v)
   214  	case OpARM64MODW:
   215  		return rewriteValueARM64_OpARM64MODW(v)
   216  	case OpARM64MOVBUload:
   217  		return rewriteValueARM64_OpARM64MOVBUload(v)
   218  	case OpARM64MOVBUloadidx:
   219  		return rewriteValueARM64_OpARM64MOVBUloadidx(v)
   220  	case OpARM64MOVBUreg:
   221  		return rewriteValueARM64_OpARM64MOVBUreg(v)
   222  	case OpARM64MOVBload:
   223  		return rewriteValueARM64_OpARM64MOVBload(v)
   224  	case OpARM64MOVBloadidx:
   225  		return rewriteValueARM64_OpARM64MOVBloadidx(v)
   226  	case OpARM64MOVBreg:
   227  		return rewriteValueARM64_OpARM64MOVBreg(v)
   228  	case OpARM64MOVBstore:
   229  		return rewriteValueARM64_OpARM64MOVBstore(v)
   230  	case OpARM64MOVBstoreidx:
   231  		return rewriteValueARM64_OpARM64MOVBstoreidx(v)
   232  	case OpARM64MOVDload:
   233  		return rewriteValueARM64_OpARM64MOVDload(v)
   234  	case OpARM64MOVDloadidx:
   235  		return rewriteValueARM64_OpARM64MOVDloadidx(v)
   236  	case OpARM64MOVDloadidx8:
   237  		return rewriteValueARM64_OpARM64MOVDloadidx8(v)
   238  	case OpARM64MOVDnop:
   239  		return rewriteValueARM64_OpARM64MOVDnop(v)
   240  	case OpARM64MOVDreg:
   241  		return rewriteValueARM64_OpARM64MOVDreg(v)
   242  	case OpARM64MOVDstore:
   243  		return rewriteValueARM64_OpARM64MOVDstore(v)
   244  	case OpARM64MOVDstoreidx:
   245  		return rewriteValueARM64_OpARM64MOVDstoreidx(v)
   246  	case OpARM64MOVDstoreidx8:
   247  		return rewriteValueARM64_OpARM64MOVDstoreidx8(v)
   248  	case OpARM64MOVHUload:
   249  		return rewriteValueARM64_OpARM64MOVHUload(v)
   250  	case OpARM64MOVHUloadidx:
   251  		return rewriteValueARM64_OpARM64MOVHUloadidx(v)
   252  	case OpARM64MOVHUloadidx2:
   253  		return rewriteValueARM64_OpARM64MOVHUloadidx2(v)
   254  	case OpARM64MOVHUreg:
   255  		return rewriteValueARM64_OpARM64MOVHUreg(v)
   256  	case OpARM64MOVHload:
   257  		return rewriteValueARM64_OpARM64MOVHload(v)
   258  	case OpARM64MOVHloadidx:
   259  		return rewriteValueARM64_OpARM64MOVHloadidx(v)
   260  	case OpARM64MOVHloadidx2:
   261  		return rewriteValueARM64_OpARM64MOVHloadidx2(v)
   262  	case OpARM64MOVHreg:
   263  		return rewriteValueARM64_OpARM64MOVHreg(v)
   264  	case OpARM64MOVHstore:
   265  		return rewriteValueARM64_OpARM64MOVHstore(v)
   266  	case OpARM64MOVHstoreidx:
   267  		return rewriteValueARM64_OpARM64MOVHstoreidx(v)
   268  	case OpARM64MOVHstoreidx2:
   269  		return rewriteValueARM64_OpARM64MOVHstoreidx2(v)
   270  	case OpARM64MOVWUload:
   271  		return rewriteValueARM64_OpARM64MOVWUload(v)
   272  	case OpARM64MOVWUloadidx:
   273  		return rewriteValueARM64_OpARM64MOVWUloadidx(v)
   274  	case OpARM64MOVWUloadidx4:
   275  		return rewriteValueARM64_OpARM64MOVWUloadidx4(v)
   276  	case OpARM64MOVWUreg:
   277  		return rewriteValueARM64_OpARM64MOVWUreg(v)
   278  	case OpARM64MOVWload:
   279  		return rewriteValueARM64_OpARM64MOVWload(v)
   280  	case OpARM64MOVWloadidx:
   281  		return rewriteValueARM64_OpARM64MOVWloadidx(v)
   282  	case OpARM64MOVWloadidx4:
   283  		return rewriteValueARM64_OpARM64MOVWloadidx4(v)
   284  	case OpARM64MOVWreg:
   285  		return rewriteValueARM64_OpARM64MOVWreg(v)
   286  	case OpARM64MOVWstore:
   287  		return rewriteValueARM64_OpARM64MOVWstore(v)
   288  	case OpARM64MOVWstoreidx:
   289  		return rewriteValueARM64_OpARM64MOVWstoreidx(v)
   290  	case OpARM64MOVWstoreidx4:
   291  		return rewriteValueARM64_OpARM64MOVWstoreidx4(v)
   292  	case OpARM64MSUB:
   293  		return rewriteValueARM64_OpARM64MSUB(v)
   294  	case OpARM64MSUBW:
   295  		return rewriteValueARM64_OpARM64MSUBW(v)
   296  	case OpARM64MUL:
   297  		return rewriteValueARM64_OpARM64MUL(v)
   298  	case OpARM64MULW:
   299  		return rewriteValueARM64_OpARM64MULW(v)
   300  	case OpARM64MVN:
   301  		return rewriteValueARM64_OpARM64MVN(v)
   302  	case OpARM64MVNshiftLL:
   303  		return rewriteValueARM64_OpARM64MVNshiftLL(v)
   304  	case OpARM64MVNshiftRA:
   305  		return rewriteValueARM64_OpARM64MVNshiftRA(v)
   306  	case OpARM64MVNshiftRL:
   307  		return rewriteValueARM64_OpARM64MVNshiftRL(v)
   308  	case OpARM64MVNshiftRO:
   309  		return rewriteValueARM64_OpARM64MVNshiftRO(v)
   310  	case OpARM64NEG:
   311  		return rewriteValueARM64_OpARM64NEG(v)
   312  	case OpARM64NEGshiftLL:
   313  		return rewriteValueARM64_OpARM64NEGshiftLL(v)
   314  	case OpARM64NEGshiftRA:
   315  		return rewriteValueARM64_OpARM64NEGshiftRA(v)
   316  	case OpARM64NEGshiftRL:
   317  		return rewriteValueARM64_OpARM64NEGshiftRL(v)
   318  	case OpARM64NotEqual:
   319  		return rewriteValueARM64_OpARM64NotEqual(v)
   320  	case OpARM64OR:
   321  		return rewriteValueARM64_OpARM64OR(v)
   322  	case OpARM64ORN:
   323  		return rewriteValueARM64_OpARM64ORN(v)
   324  	case OpARM64ORNshiftLL:
   325  		return rewriteValueARM64_OpARM64ORNshiftLL(v)
   326  	case OpARM64ORNshiftRA:
   327  		return rewriteValueARM64_OpARM64ORNshiftRA(v)
   328  	case OpARM64ORNshiftRL:
   329  		return rewriteValueARM64_OpARM64ORNshiftRL(v)
   330  	case OpARM64ORNshiftRO:
   331  		return rewriteValueARM64_OpARM64ORNshiftRO(v)
   332  	case OpARM64ORconst:
   333  		return rewriteValueARM64_OpARM64ORconst(v)
   334  	case OpARM64ORshiftLL:
   335  		return rewriteValueARM64_OpARM64ORshiftLL(v)
   336  	case OpARM64ORshiftRA:
   337  		return rewriteValueARM64_OpARM64ORshiftRA(v)
   338  	case OpARM64ORshiftRL:
   339  		return rewriteValueARM64_OpARM64ORshiftRL(v)
   340  	case OpARM64ORshiftRO:
   341  		return rewriteValueARM64_OpARM64ORshiftRO(v)
   342  	case OpARM64REV:
   343  		return rewriteValueARM64_OpARM64REV(v)
   344  	case OpARM64REV16:
   345  		return rewriteValueARM64_OpARM64REV16(v)
   346  	case OpARM64REVW:
   347  		return rewriteValueARM64_OpARM64REVW(v)
   348  	case OpARM64ROR:
   349  		return rewriteValueARM64_OpARM64ROR(v)
   350  	case OpARM64RORW:
   351  		return rewriteValueARM64_OpARM64RORW(v)
   352  	case OpARM64SBCSflags:
   353  		return rewriteValueARM64_OpARM64SBCSflags(v)
   354  	case OpARM64SBFX:
   355  		return rewriteValueARM64_OpARM64SBFX(v)
   356  	case OpARM64SLL:
   357  		return rewriteValueARM64_OpARM64SLL(v)
   358  	case OpARM64SLLconst:
   359  		return rewriteValueARM64_OpARM64SLLconst(v)
   360  	case OpARM64SRA:
   361  		return rewriteValueARM64_OpARM64SRA(v)
   362  	case OpARM64SRAconst:
   363  		return rewriteValueARM64_OpARM64SRAconst(v)
   364  	case OpARM64SRL:
   365  		return rewriteValueARM64_OpARM64SRL(v)
   366  	case OpARM64SRLconst:
   367  		return rewriteValueARM64_OpARM64SRLconst(v)
   368  	case OpARM64STP:
   369  		return rewriteValueARM64_OpARM64STP(v)
   370  	case OpARM64SUB:
   371  		return rewriteValueARM64_OpARM64SUB(v)
   372  	case OpARM64SUBconst:
   373  		return rewriteValueARM64_OpARM64SUBconst(v)
   374  	case OpARM64SUBshiftLL:
   375  		return rewriteValueARM64_OpARM64SUBshiftLL(v)
   376  	case OpARM64SUBshiftRA:
   377  		return rewriteValueARM64_OpARM64SUBshiftRA(v)
   378  	case OpARM64SUBshiftRL:
   379  		return rewriteValueARM64_OpARM64SUBshiftRL(v)
   380  	case OpARM64TST:
   381  		return rewriteValueARM64_OpARM64TST(v)
   382  	case OpARM64TSTW:
   383  		return rewriteValueARM64_OpARM64TSTW(v)
   384  	case OpARM64TSTWconst:
   385  		return rewriteValueARM64_OpARM64TSTWconst(v)
   386  	case OpARM64TSTconst:
   387  		return rewriteValueARM64_OpARM64TSTconst(v)
   388  	case OpARM64TSTshiftLL:
   389  		return rewriteValueARM64_OpARM64TSTshiftLL(v)
   390  	case OpARM64TSTshiftRA:
   391  		return rewriteValueARM64_OpARM64TSTshiftRA(v)
   392  	case OpARM64TSTshiftRL:
   393  		return rewriteValueARM64_OpARM64TSTshiftRL(v)
   394  	case OpARM64TSTshiftRO:
   395  		return rewriteValueARM64_OpARM64TSTshiftRO(v)
   396  	case OpARM64UBFIZ:
   397  		return rewriteValueARM64_OpARM64UBFIZ(v)
   398  	case OpARM64UBFX:
   399  		return rewriteValueARM64_OpARM64UBFX(v)
   400  	case OpARM64UDIV:
   401  		return rewriteValueARM64_OpARM64UDIV(v)
   402  	case OpARM64UDIVW:
   403  		return rewriteValueARM64_OpARM64UDIVW(v)
   404  	case OpARM64UMOD:
   405  		return rewriteValueARM64_OpARM64UMOD(v)
   406  	case OpARM64UMODW:
   407  		return rewriteValueARM64_OpARM64UMODW(v)
   408  	case OpARM64VBIF16B:
   409  		return rewriteValueARM64_OpARM64VBIF16B(v)
   410  	case OpARM64VBIT16B:
   411  		return rewriteValueARM64_OpARM64VBIT16B(v)
   412  	case OpARM64VDUPBbcast:
   413  		return rewriteValueARM64_OpARM64VDUPBbcast(v)
   414  	case OpARM64VFCVTL4S:
   415  		return rewriteValueARM64_OpARM64VFCVTL4S(v)
   416  	case OpARM64VMOVDins0:
   417  		return rewriteValueARM64_OpARM64VMOVDins0(v)
   418  	case OpARM64VMOVSins0:
   419  		return rewriteValueARM64_OpARM64VMOVSins0(v)
   420  	case OpARM64VPMULL2D:
   421  		return rewriteValueARM64_OpARM64VPMULL2D(v)
   422  	case OpARM64VSHL16B:
   423  		return rewriteValueARM64_OpARM64VSHL16B(v)
   424  	case OpARM64VSHL2D:
   425  		return rewriteValueARM64_OpARM64VSHL2D(v)
   426  	case OpARM64VSHL4S:
   427  		return rewriteValueARM64_OpARM64VSHL4S(v)
   428  	case OpARM64VSHL8H:
   429  		return rewriteValueARM64_OpARM64VSHL8H(v)
   430  	case OpARM64VSHRN2D:
   431  		return rewriteValueARM64_OpARM64VSHRN2D(v)
   432  	case OpARM64VSHRN4S:
   433  		return rewriteValueARM64_OpARM64VSHRN4S(v)
   434  	case OpARM64VSHRN8H:
   435  		return rewriteValueARM64_OpARM64VSHRN8H(v)
   436  	case OpARM64VSMULL16B:
   437  		return rewriteValueARM64_OpARM64VSMULL16B(v)
   438  	case OpARM64VSMULL4S:
   439  		return rewriteValueARM64_OpARM64VSMULL4S(v)
   440  	case OpARM64VSMULL8H:
   441  		return rewriteValueARM64_OpARM64VSMULL8H(v)
   442  	case OpARM64VSQSHL16Bconst:
   443  		return rewriteValueARM64_OpARM64VSQSHL16Bconst(v)
   444  	case OpARM64VSQSHL2Dconst:
   445  		return rewriteValueARM64_OpARM64VSQSHL2Dconst(v)
   446  	case OpARM64VSQSHL4Sconst:
   447  		return rewriteValueARM64_OpARM64VSQSHL4Sconst(v)
   448  	case OpARM64VSQSHL8Hconst:
   449  		return rewriteValueARM64_OpARM64VSQSHL8Hconst(v)
   450  	case OpARM64VSSHLL16B:
   451  		return rewriteValueARM64_OpARM64VSSHLL16B(v)
   452  	case OpARM64VSSHLL4S:
   453  		return rewriteValueARM64_OpARM64VSSHLL4S(v)
   454  	case OpARM64VSSHLL8H:
   455  		return rewriteValueARM64_OpARM64VSSHLL8H(v)
   456  	case OpARM64VSSHR16B:
   457  		return rewriteValueARM64_OpARM64VSSHR16B(v)
   458  	case OpARM64VSSHR2D:
   459  		return rewriteValueARM64_OpARM64VSSHR2D(v)
   460  	case OpARM64VSSHR4S:
   461  		return rewriteValueARM64_OpARM64VSSHR4S(v)
   462  	case OpARM64VSSHR8H:
   463  		return rewriteValueARM64_OpARM64VSSHR8H(v)
   464  	case OpARM64VSXTL16B:
   465  		return rewriteValueARM64_OpARM64VSXTL16B(v)
   466  	case OpARM64VSXTL4S:
   467  		return rewriteValueARM64_OpARM64VSXTL4S(v)
   468  	case OpARM64VSXTL8H:
   469  		return rewriteValueARM64_OpARM64VSXTL8H(v)
   470  	case OpARM64VUMULL16B:
   471  		return rewriteValueARM64_OpARM64VUMULL16B(v)
   472  	case OpARM64VUMULL4S:
   473  		return rewriteValueARM64_OpARM64VUMULL4S(v)
   474  	case OpARM64VUMULL8H:
   475  		return rewriteValueARM64_OpARM64VUMULL8H(v)
   476  	case OpARM64VUQSHL16Bconst:
   477  		return rewriteValueARM64_OpARM64VUQSHL16Bconst(v)
   478  	case OpARM64VUQSHL2Dconst:
   479  		return rewriteValueARM64_OpARM64VUQSHL2Dconst(v)
   480  	case OpARM64VUQSHL4Sconst:
   481  		return rewriteValueARM64_OpARM64VUQSHL4Sconst(v)
   482  	case OpARM64VUQSHL8Hconst:
   483  		return rewriteValueARM64_OpARM64VUQSHL8Hconst(v)
   484  	case OpARM64VUSHLL16B:
   485  		return rewriteValueARM64_OpARM64VUSHLL16B(v)
   486  	case OpARM64VUSHLL4S:
   487  		return rewriteValueARM64_OpARM64VUSHLL4S(v)
   488  	case OpARM64VUSHLL8H:
   489  		return rewriteValueARM64_OpARM64VUSHLL8H(v)
   490  	case OpARM64VUSHR16B:
   491  		return rewriteValueARM64_OpARM64VUSHR16B(v)
   492  	case OpARM64VUSHR2D:
   493  		return rewriteValueARM64_OpARM64VUSHR2D(v)
   494  	case OpARM64VUSHR4S:
   495  		return rewriteValueARM64_OpARM64VUSHR4S(v)
   496  	case OpARM64VUSHR8H:
   497  		return rewriteValueARM64_OpARM64VUSHR8H(v)
   498  	case OpARM64VUXTL16B:
   499  		return rewriteValueARM64_OpARM64VUXTL16B(v)
   500  	case OpARM64VUXTL4S:
   501  		return rewriteValueARM64_OpARM64VUXTL4S(v)
   502  	case OpARM64VUXTL8H:
   503  		return rewriteValueARM64_OpARM64VUXTL8H(v)
   504  	case OpARM64XOR:
   505  		return rewriteValueARM64_OpARM64XOR(v)
   506  	case OpARM64XORconst:
   507  		return rewriteValueARM64_OpARM64XORconst(v)
   508  	case OpARM64XORshiftLL:
   509  		return rewriteValueARM64_OpARM64XORshiftLL(v)
   510  	case OpARM64XORshiftRA:
   511  		return rewriteValueARM64_OpARM64XORshiftRA(v)
   512  	case OpARM64XORshiftRL:
   513  		return rewriteValueARM64_OpARM64XORshiftRL(v)
   514  	case OpARM64XORshiftRO:
   515  		return rewriteValueARM64_OpARM64XORshiftRO(v)
   516  	case OpAbs:
   517  		v.Op = OpARM64FABSD
   518  		return true
   519  	case OpAbsFloat32x4:
   520  		v.Op = OpARM64VFABS4S
   521  		return true
   522  	case OpAbsFloat64x2:
   523  		v.Op = OpARM64VFABS2D
   524  		return true
   525  	case OpAbsInt16x8:
   526  		v.Op = OpARM64VABS8H
   527  		return true
   528  	case OpAbsInt32x4:
   529  		v.Op = OpARM64VABS4S
   530  		return true
   531  	case OpAbsInt64x2:
   532  		v.Op = OpARM64VABS2D
   533  		return true
   534  	case OpAbsInt8x16:
   535  		v.Op = OpARM64VABS16B
   536  		return true
   537  	case OpAdd16:
   538  		v.Op = OpARM64ADD
   539  		return true
   540  	case OpAdd32:
   541  		v.Op = OpARM64ADD
   542  		return true
   543  	case OpAdd32F:
   544  		v.Op = OpARM64FADDS
   545  		return true
   546  	case OpAdd64:
   547  		v.Op = OpARM64ADD
   548  		return true
   549  	case OpAdd64F:
   550  		v.Op = OpARM64FADDD
   551  		return true
   552  	case OpAdd8:
   553  		v.Op = OpARM64ADD
   554  		return true
   555  	case OpAddFloat32x4:
   556  		v.Op = OpARM64VFADD4S
   557  		return true
   558  	case OpAddFloat64x2:
   559  		v.Op = OpARM64VFADD2D
   560  		return true
   561  	case OpAddInt16x8:
   562  		v.Op = OpARM64VADD8H
   563  		return true
   564  	case OpAddInt32x4:
   565  		v.Op = OpARM64VADD4S
   566  		return true
   567  	case OpAddInt64x2:
   568  		v.Op = OpARM64VADD2D
   569  		return true
   570  	case OpAddInt8s:
   571  		return rewriteValueARM64_OpAddInt8s(v)
   572  	case OpAddInt8x16:
   573  		v.Op = OpARM64VADD16B
   574  		return true
   575  	case OpAddPtr:
   576  		v.Op = OpARM64ADD
   577  		return true
   578  	case OpAddSaturatedInt16x8:
   579  		v.Op = OpARM64VSQADD8H
   580  		return true
   581  	case OpAddSaturatedInt32x4:
   582  		v.Op = OpARM64VSQADD4S
   583  		return true
   584  	case OpAddSaturatedInt64x2:
   585  		v.Op = OpARM64VSQADD2D
   586  		return true
   587  	case OpAddSaturatedInt8x16:
   588  		v.Op = OpARM64VSQADD16B
   589  		return true
   590  	case OpAddSaturatedUint16x8:
   591  		v.Op = OpARM64VUQADD8H
   592  		return true
   593  	case OpAddSaturatedUint32x4:
   594  		v.Op = OpARM64VUQADD4S
   595  		return true
   596  	case OpAddSaturatedUint64x2:
   597  		v.Op = OpARM64VUQADD2D
   598  		return true
   599  	case OpAddSaturatedUint8x16:
   600  		v.Op = OpARM64VUQADD16B
   601  		return true
   602  	case OpAddUint16x8:
   603  		v.Op = OpARM64VADD8H
   604  		return true
   605  	case OpAddUint32x4:
   606  		v.Op = OpARM64VADD4S
   607  		return true
   608  	case OpAddUint64x2:
   609  		v.Op = OpARM64VADD2D
   610  		return true
   611  	case OpAddUint8x16:
   612  		v.Op = OpARM64VADD16B
   613  		return true
   614  	case OpAddr:
   615  		return rewriteValueARM64_OpAddr(v)
   616  	case OpAnd16:
   617  		v.Op = OpARM64AND
   618  		return true
   619  	case OpAnd32:
   620  		v.Op = OpARM64AND
   621  		return true
   622  	case OpAnd64:
   623  		v.Op = OpARM64AND
   624  		return true
   625  	case OpAnd8:
   626  		v.Op = OpARM64AND
   627  		return true
   628  	case OpAndB:
   629  		v.Op = OpARM64AND
   630  		return true
   631  	case OpAndInt16x8:
   632  		v.Op = OpARM64VAND16B
   633  		return true
   634  	case OpAndInt32x4:
   635  		v.Op = OpARM64VAND16B
   636  		return true
   637  	case OpAndInt64x2:
   638  		v.Op = OpARM64VAND16B
   639  		return true
   640  	case OpAndInt8x16:
   641  		v.Op = OpARM64VAND16B
   642  		return true
   643  	case OpAndNotInt16x8:
   644  		v.Op = OpARM64VBIC16B
   645  		return true
   646  	case OpAndNotInt32x4:
   647  		v.Op = OpARM64VBIC16B
   648  		return true
   649  	case OpAndNotInt64x2:
   650  		v.Op = OpARM64VBIC16B
   651  		return true
   652  	case OpAndNotInt8x16:
   653  		v.Op = OpARM64VBIC16B
   654  		return true
   655  	case OpAndNotUint16x8:
   656  		v.Op = OpARM64VBIC16B
   657  		return true
   658  	case OpAndNotUint32x4:
   659  		v.Op = OpARM64VBIC16B
   660  		return true
   661  	case OpAndNotUint64x2:
   662  		v.Op = OpARM64VBIC16B
   663  		return true
   664  	case OpAndNotUint8x16:
   665  		v.Op = OpARM64VBIC16B
   666  		return true
   667  	case OpAndUint16x8:
   668  		v.Op = OpARM64VAND16B
   669  		return true
   670  	case OpAndUint32x4:
   671  		v.Op = OpARM64VAND16B
   672  		return true
   673  	case OpAndUint64x2:
   674  		v.Op = OpARM64VAND16B
   675  		return true
   676  	case OpAndUint8x16:
   677  		v.Op = OpARM64VAND16B
   678  		return true
   679  	case OpAtomicAdd32:
   680  		v.Op = OpARM64LoweredAtomicAdd32
   681  		return true
   682  	case OpAtomicAdd32Variant:
   683  		v.Op = OpARM64LoweredAtomicAdd32Variant
   684  		return true
   685  	case OpAtomicAdd64:
   686  		v.Op = OpARM64LoweredAtomicAdd64
   687  		return true
   688  	case OpAtomicAdd64Variant:
   689  		v.Op = OpARM64LoweredAtomicAdd64Variant
   690  		return true
   691  	case OpAtomicAnd32value:
   692  		v.Op = OpARM64LoweredAtomicAnd32
   693  		return true
   694  	case OpAtomicAnd32valueVariant:
   695  		v.Op = OpARM64LoweredAtomicAnd32Variant
   696  		return true
   697  	case OpAtomicAnd64value:
   698  		v.Op = OpARM64LoweredAtomicAnd64
   699  		return true
   700  	case OpAtomicAnd64valueVariant:
   701  		v.Op = OpARM64LoweredAtomicAnd64Variant
   702  		return true
   703  	case OpAtomicAnd8value:
   704  		v.Op = OpARM64LoweredAtomicAnd8
   705  		return true
   706  	case OpAtomicAnd8valueVariant:
   707  		v.Op = OpARM64LoweredAtomicAnd8Variant
   708  		return true
   709  	case OpAtomicCompareAndSwap32:
   710  		v.Op = OpARM64LoweredAtomicCas32
   711  		return true
   712  	case OpAtomicCompareAndSwap32Variant:
   713  		v.Op = OpARM64LoweredAtomicCas32Variant
   714  		return true
   715  	case OpAtomicCompareAndSwap64:
   716  		v.Op = OpARM64LoweredAtomicCas64
   717  		return true
   718  	case OpAtomicCompareAndSwap64Variant:
   719  		v.Op = OpARM64LoweredAtomicCas64Variant
   720  		return true
   721  	case OpAtomicExchange32:
   722  		v.Op = OpARM64LoweredAtomicExchange32
   723  		return true
   724  	case OpAtomicExchange32Variant:
   725  		v.Op = OpARM64LoweredAtomicExchange32Variant
   726  		return true
   727  	case OpAtomicExchange64:
   728  		v.Op = OpARM64LoweredAtomicExchange64
   729  		return true
   730  	case OpAtomicExchange64Variant:
   731  		v.Op = OpARM64LoweredAtomicExchange64Variant
   732  		return true
   733  	case OpAtomicExchange8:
   734  		v.Op = OpARM64LoweredAtomicExchange8
   735  		return true
   736  	case OpAtomicExchange8Variant:
   737  		v.Op = OpARM64LoweredAtomicExchange8Variant
   738  		return true
   739  	case OpAtomicLoad32:
   740  		v.Op = OpARM64LDARW
   741  		return true
   742  	case OpAtomicLoad64:
   743  		v.Op = OpARM64LDAR
   744  		return true
   745  	case OpAtomicLoad8:
   746  		v.Op = OpARM64LDARB
   747  		return true
   748  	case OpAtomicLoadPtr:
   749  		v.Op = OpARM64LDAR
   750  		return true
   751  	case OpAtomicOr32value:
   752  		v.Op = OpARM64LoweredAtomicOr32
   753  		return true
   754  	case OpAtomicOr32valueVariant:
   755  		v.Op = OpARM64LoweredAtomicOr32Variant
   756  		return true
   757  	case OpAtomicOr64value:
   758  		v.Op = OpARM64LoweredAtomicOr64
   759  		return true
   760  	case OpAtomicOr64valueVariant:
   761  		v.Op = OpARM64LoweredAtomicOr64Variant
   762  		return true
   763  	case OpAtomicOr8value:
   764  		v.Op = OpARM64LoweredAtomicOr8
   765  		return true
   766  	case OpAtomicOr8valueVariant:
   767  		v.Op = OpARM64LoweredAtomicOr8Variant
   768  		return true
   769  	case OpAtomicStore32:
   770  		v.Op = OpARM64STLRW
   771  		return true
   772  	case OpAtomicStore64:
   773  		v.Op = OpARM64STLR
   774  		return true
   775  	case OpAtomicStore8:
   776  		v.Op = OpARM64STLRB
   777  		return true
   778  	case OpAtomicStorePtrNoWB:
   779  		v.Op = OpARM64STLR
   780  		return true
   781  	case OpAverageInt16x8:
   782  		v.Op = OpARM64VSRHADD8H
   783  		return true
   784  	case OpAverageInt32x4:
   785  		v.Op = OpARM64VSRHADD4S
   786  		return true
   787  	case OpAverageInt8x16:
   788  		v.Op = OpARM64VSRHADD16B
   789  		return true
   790  	case OpAverageUint16x8:
   791  		v.Op = OpARM64VURHADD8H
   792  		return true
   793  	case OpAverageUint32x4:
   794  		v.Op = OpARM64VURHADD4S
   795  		return true
   796  	case OpAverageUint8x16:
   797  		v.Op = OpARM64VURHADD16B
   798  		return true
   799  	case OpAvg64u:
   800  		return rewriteValueARM64_OpAvg64u(v)
   801  	case OpBitLen16:
   802  		return rewriteValueARM64_OpBitLen16(v)
   803  	case OpBitLen32:
   804  		return rewriteValueARM64_OpBitLen32(v)
   805  	case OpBitLen64:
   806  		return rewriteValueARM64_OpBitLen64(v)
   807  	case OpBitLen8:
   808  		return rewriteValueARM64_OpBitLen8(v)
   809  	case OpBitRev16:
   810  		return rewriteValueARM64_OpBitRev16(v)
   811  	case OpBitRev32:
   812  		v.Op = OpARM64RBITW
   813  		return true
   814  	case OpBitRev64:
   815  		v.Op = OpARM64RBIT
   816  		return true
   817  	case OpBitRev8:
   818  		return rewriteValueARM64_OpBitRev8(v)
   819  	case OpBswap16:
   820  		v.Op = OpARM64REV16W
   821  		return true
   822  	case OpBswap32:
   823  		v.Op = OpARM64REVW
   824  		return true
   825  	case OpBswap64:
   826  		v.Op = OpARM64REV
   827  		return true
   828  	case OpCeil:
   829  		v.Op = OpARM64FRINTPD
   830  		return true
   831  	case OpCeilFloat32x4:
   832  		v.Op = OpARM64VFRINTP4S
   833  		return true
   834  	case OpCeilFloat64x2:
   835  		v.Op = OpARM64VFRINTP2D
   836  		return true
   837  	case OpClosureCall:
   838  		v.Op = OpARM64CALLclosure
   839  		return true
   840  	case OpCom16:
   841  		v.Op = OpARM64MVN
   842  		return true
   843  	case OpCom32:
   844  		v.Op = OpARM64MVN
   845  		return true
   846  	case OpCom64:
   847  		v.Op = OpARM64MVN
   848  		return true
   849  	case OpCom8:
   850  		v.Op = OpARM64MVN
   851  		return true
   852  	case OpConcatAddPairsFloat32x4:
   853  		v.Op = OpARM64VFADDP4S
   854  		return true
   855  	case OpConcatAddPairsFloat64x2:
   856  		v.Op = OpARM64VFADDP2D
   857  		return true
   858  	case OpConcatAddPairsInt16x8:
   859  		v.Op = OpARM64VADDP8H
   860  		return true
   861  	case OpConcatAddPairsInt32x4:
   862  		v.Op = OpARM64VADDP4S
   863  		return true
   864  	case OpConcatAddPairsInt64x2:
   865  		v.Op = OpARM64VADDP2D
   866  		return true
   867  	case OpConcatAddPairsUint16x8:
   868  		v.Op = OpARM64VADDP8H
   869  		return true
   870  	case OpConcatAddPairsUint32x4:
   871  		v.Op = OpARM64VADDP4S
   872  		return true
   873  	case OpConcatAddPairsUint64x2:
   874  		v.Op = OpARM64VADDP2D
   875  		return true
   876  	case OpConcatEvenInt16x8:
   877  		v.Op = OpARM64VUZP18H
   878  		return true
   879  	case OpConcatEvenInt32x4:
   880  		v.Op = OpARM64VUZP14S
   881  		return true
   882  	case OpConcatEvenInt64x2:
   883  		v.Op = OpARM64VUZP12D
   884  		return true
   885  	case OpConcatEvenInt8x16:
   886  		v.Op = OpARM64VUZP116B
   887  		return true
   888  	case OpConcatEvenUint16x8:
   889  		v.Op = OpARM64VUZP18H
   890  		return true
   891  	case OpConcatEvenUint32x4:
   892  		v.Op = OpARM64VUZP14S
   893  		return true
   894  	case OpConcatEvenUint64x2:
   895  		v.Op = OpARM64VUZP12D
   896  		return true
   897  	case OpConcatEvenUint8x16:
   898  		v.Op = OpARM64VUZP116B
   899  		return true
   900  	case OpConcatOddInt16x8:
   901  		v.Op = OpARM64VUZP28H
   902  		return true
   903  	case OpConcatOddInt32x4:
   904  		v.Op = OpARM64VUZP24S
   905  		return true
   906  	case OpConcatOddInt64x2:
   907  		v.Op = OpARM64VUZP22D
   908  		return true
   909  	case OpConcatOddInt8x16:
   910  		v.Op = OpARM64VUZP216B
   911  		return true
   912  	case OpConcatOddUint16x8:
   913  		v.Op = OpARM64VUZP28H
   914  		return true
   915  	case OpConcatOddUint32x4:
   916  		v.Op = OpARM64VUZP24S
   917  		return true
   918  	case OpConcatOddUint64x2:
   919  		v.Op = OpARM64VUZP22D
   920  		return true
   921  	case OpConcatOddUint8x16:
   922  		v.Op = OpARM64VUZP216B
   923  		return true
   924  	case OpConcatShiftBytesRightUint8x16:
   925  		v.Op = OpARM64VEXT16B
   926  		return true
   927  	case OpCondSelect:
   928  		return rewriteValueARM64_OpCondSelect(v)
   929  	case OpConst16:
   930  		return rewriteValueARM64_OpConst16(v)
   931  	case OpConst32:
   932  		return rewriteValueARM64_OpConst32(v)
   933  	case OpConst32F:
   934  		return rewriteValueARM64_OpConst32F(v)
   935  	case OpConst64:
   936  		return rewriteValueARM64_OpConst64(v)
   937  	case OpConst64F:
   938  		return rewriteValueARM64_OpConst64F(v)
   939  	case OpConst8:
   940  		return rewriteValueARM64_OpConst8(v)
   941  	case OpConstBool:
   942  		return rewriteValueARM64_OpConstBool(v)
   943  	case OpConstNil:
   944  		return rewriteValueARM64_OpConstNil(v)
   945  	case OpConvertLo2ToFloat64Float32x4:
   946  		v.Op = OpARM64VFCVTL4S
   947  		return true
   948  	case OpConvertToFloat32Float64x2:
   949  		v.Op = OpARM64VFCVTN2D
   950  		return true
   951  	case OpConvertToFloat32Int32x4:
   952  		v.Op = OpARM64VSCVTF4S
   953  		return true
   954  	case OpConvertToFloat32Uint32x4:
   955  		v.Op = OpARM64VUCVTF4S
   956  		return true
   957  	case OpConvertToFloat64Int64x2:
   958  		v.Op = OpARM64VSCVTF2D
   959  		return true
   960  	case OpConvertToFloat64Uint64x2:
   961  		v.Op = OpARM64VUCVTF2D
   962  		return true
   963  	case OpConvertToInt32Float32x4:
   964  		v.Op = OpARM64VFCVTZS4S
   965  		return true
   966  	case OpConvertToInt64Float64x2:
   967  		v.Op = OpARM64VFCVTZS2D
   968  		return true
   969  	case OpConvertToUint32Float32x4:
   970  		v.Op = OpARM64VFCVTZU4S
   971  		return true
   972  	case OpConvertToUint64Float64x2:
   973  		v.Op = OpARM64VFCVTZU2D
   974  		return true
   975  	case OpCount8s:
   976  		return rewriteValueARM64_OpCount8s(v)
   977  	case OpCtz16:
   978  		return rewriteValueARM64_OpCtz16(v)
   979  	case OpCtz16NonZero:
   980  		v.Op = OpCtz32
   981  		return true
   982  	case OpCtz32:
   983  		return rewriteValueARM64_OpCtz32(v)
   984  	case OpCtz32NonZero:
   985  		v.Op = OpCtz32
   986  		return true
   987  	case OpCtz64:
   988  		return rewriteValueARM64_OpCtz64(v)
   989  	case OpCtz64NonZero:
   990  		v.Op = OpCtz64
   991  		return true
   992  	case OpCtz8:
   993  		return rewriteValueARM64_OpCtz8(v)
   994  	case OpCtz8NonZero:
   995  		v.Op = OpCtz32
   996  		return true
   997  	case OpCvt32Fto32:
   998  		v.Op = OpARM64FCVTZSSW
   999  		return true
  1000  	case OpCvt32Fto32U:
  1001  		v.Op = OpARM64FCVTZUSW
  1002  		return true
  1003  	case OpCvt32Fto64:
  1004  		v.Op = OpARM64FCVTZSS
  1005  		return true
  1006  	case OpCvt32Fto64F:
  1007  		v.Op = OpARM64FCVTSD
  1008  		return true
  1009  	case OpCvt32Fto64U:
  1010  		v.Op = OpARM64FCVTZUS
  1011  		return true
  1012  	case OpCvt32Uto32F:
  1013  		v.Op = OpARM64UCVTFWS
  1014  		return true
  1015  	case OpCvt32Uto64F:
  1016  		v.Op = OpARM64UCVTFWD
  1017  		return true
  1018  	case OpCvt32to32F:
  1019  		v.Op = OpARM64SCVTFWS
  1020  		return true
  1021  	case OpCvt32to64F:
  1022  		v.Op = OpARM64SCVTFWD
  1023  		return true
  1024  	case OpCvt64Fto32:
  1025  		v.Op = OpARM64FCVTZSDW
  1026  		return true
  1027  	case OpCvt64Fto32F:
  1028  		v.Op = OpARM64FCVTDS
  1029  		return true
  1030  	case OpCvt64Fto32U:
  1031  		v.Op = OpARM64FCVTZUDW
  1032  		return true
  1033  	case OpCvt64Fto64:
  1034  		v.Op = OpARM64FCVTZSD
  1035  		return true
  1036  	case OpCvt64Fto64U:
  1037  		v.Op = OpARM64FCVTZUD
  1038  		return true
  1039  	case OpCvt64Uto32F:
  1040  		v.Op = OpARM64UCVTFS
  1041  		return true
  1042  	case OpCvt64Uto64F:
  1043  		v.Op = OpARM64UCVTFD
  1044  		return true
  1045  	case OpCvt64to32F:
  1046  		v.Op = OpARM64SCVTFS
  1047  		return true
  1048  	case OpCvt64to64F:
  1049  		v.Op = OpARM64SCVTFD
  1050  		return true
  1051  	case OpCvtBoolToUint8:
  1052  		v.Op = OpCopy
  1053  		return true
  1054  	case OpDiv16:
  1055  		return rewriteValueARM64_OpDiv16(v)
  1056  	case OpDiv16u:
  1057  		return rewriteValueARM64_OpDiv16u(v)
  1058  	case OpDiv32:
  1059  		return rewriteValueARM64_OpDiv32(v)
  1060  	case OpDiv32F:
  1061  		v.Op = OpARM64FDIVS
  1062  		return true
  1063  	case OpDiv32u:
  1064  		v.Op = OpARM64UDIVW
  1065  		return true
  1066  	case OpDiv64:
  1067  		return rewriteValueARM64_OpDiv64(v)
  1068  	case OpDiv64F:
  1069  		v.Op = OpARM64FDIVD
  1070  		return true
  1071  	case OpDiv64u:
  1072  		v.Op = OpARM64UDIV
  1073  		return true
  1074  	case OpDiv8:
  1075  		return rewriteValueARM64_OpDiv8(v)
  1076  	case OpDiv8u:
  1077  		return rewriteValueARM64_OpDiv8u(v)
  1078  	case OpDivFloat32x4:
  1079  		v.Op = OpARM64VFDIV4S
  1080  		return true
  1081  	case OpDivFloat64x2:
  1082  		v.Op = OpARM64VFDIV2D
  1083  		return true
  1084  	case OpEq16:
  1085  		return rewriteValueARM64_OpEq16(v)
  1086  	case OpEq32:
  1087  		return rewriteValueARM64_OpEq32(v)
  1088  	case OpEq32F:
  1089  		return rewriteValueARM64_OpEq32F(v)
  1090  	case OpEq64:
  1091  		return rewriteValueARM64_OpEq64(v)
  1092  	case OpEq64F:
  1093  		return rewriteValueARM64_OpEq64F(v)
  1094  	case OpEq8:
  1095  		return rewriteValueARM64_OpEq8(v)
  1096  	case OpEqB:
  1097  		return rewriteValueARM64_OpEqB(v)
  1098  	case OpEqPtr:
  1099  		return rewriteValueARM64_OpEqPtr(v)
  1100  	case OpEqualFloat32x4:
  1101  		v.Op = OpARM64VFCMEQ4S
  1102  		return true
  1103  	case OpEqualFloat64x2:
  1104  		v.Op = OpARM64VFCMEQ2D
  1105  		return true
  1106  	case OpEqualInt16x8:
  1107  		v.Op = OpARM64VCMEQ8H
  1108  		return true
  1109  	case OpEqualInt32x4:
  1110  		v.Op = OpARM64VCMEQ4S
  1111  		return true
  1112  	case OpEqualInt64x2:
  1113  		v.Op = OpARM64VCMEQ2D
  1114  		return true
  1115  	case OpEqualInt8x16:
  1116  		v.Op = OpARM64VCMEQ16B
  1117  		return true
  1118  	case OpEqualUint16x8:
  1119  		v.Op = OpARM64VCMEQ8H
  1120  		return true
  1121  	case OpEqualUint32x4:
  1122  		v.Op = OpARM64VCMEQ4S
  1123  		return true
  1124  	case OpEqualUint64x2:
  1125  		v.Op = OpARM64VCMEQ2D
  1126  		return true
  1127  	case OpEqualUint8x16:
  1128  		v.Op = OpARM64VCMEQ16B
  1129  		return true
  1130  	case OpExtendLo2ToInt64Int32x4:
  1131  		v.Op = OpARM64VSXTL4S
  1132  		return true
  1133  	case OpExtendLo2ToUint64Uint32x4:
  1134  		v.Op = OpARM64VUXTL4S
  1135  		return true
  1136  	case OpExtendLo4ToInt32Int16x8:
  1137  		v.Op = OpARM64VSXTL8H
  1138  		return true
  1139  	case OpExtendLo4ToUint32Uint16x8:
  1140  		v.Op = OpARM64VUXTL8H
  1141  		return true
  1142  	case OpExtendLo8ToInt16Int8x16:
  1143  		v.Op = OpARM64VSXTL16B
  1144  		return true
  1145  	case OpExtendLo8ToUint16Uint8x16:
  1146  		v.Op = OpARM64VUXTL16B
  1147  		return true
  1148  	case OpFMA:
  1149  		return rewriteValueARM64_OpFMA(v)
  1150  	case OpFloor:
  1151  		v.Op = OpARM64FRINTMD
  1152  		return true
  1153  	case OpFloorFloat32x4:
  1154  		v.Op = OpARM64VFRINTM4S
  1155  		return true
  1156  	case OpFloorFloat64x2:
  1157  		v.Op = OpARM64VFRINTM2D
  1158  		return true
  1159  	case OpGetCallerPC:
  1160  		v.Op = OpARM64LoweredGetCallerPC
  1161  		return true
  1162  	case OpGetCallerSP:
  1163  		v.Op = OpARM64LoweredGetCallerSP
  1164  		return true
  1165  	case OpGetClosurePtr:
  1166  		v.Op = OpARM64LoweredGetClosurePtr
  1167  		return true
  1168  	case OpGetElemFloat32x4:
  1169  		v.Op = OpARM64VDUPSextr
  1170  		return true
  1171  	case OpGetElemFloat64x2:
  1172  		v.Op = OpARM64VDUPDextr
  1173  		return true
  1174  	case OpGetElemInt16x8:
  1175  		v.Op = OpARM64VMOVHextr
  1176  		return true
  1177  	case OpGetElemInt32x4:
  1178  		v.Op = OpARM64VMOVSextr
  1179  		return true
  1180  	case OpGetElemInt64x2:
  1181  		v.Op = OpARM64VMOVDextr
  1182  		return true
  1183  	case OpGetElemInt8x16:
  1184  		v.Op = OpARM64VMOVBextr
  1185  		return true
  1186  	case OpGetElemUint16x8:
  1187  		v.Op = OpARM64VMOVHextr
  1188  		return true
  1189  	case OpGetElemUint32x4:
  1190  		v.Op = OpARM64VMOVSextr
  1191  		return true
  1192  	case OpGetElemUint64x2:
  1193  		v.Op = OpARM64VMOVDextr
  1194  		return true
  1195  	case OpGetElemUint8x16:
  1196  		v.Op = OpARM64VMOVBextr
  1197  		return true
  1198  	case OpGreaterEqualFloat32x4:
  1199  		v.Op = OpARM64VFCMGE4S
  1200  		return true
  1201  	case OpGreaterEqualFloat64x2:
  1202  		v.Op = OpARM64VFCMGE2D
  1203  		return true
  1204  	case OpGreaterEqualInt16x8:
  1205  		v.Op = OpARM64VCMGE8H
  1206  		return true
  1207  	case OpGreaterEqualInt32x4:
  1208  		v.Op = OpARM64VCMGE4S
  1209  		return true
  1210  	case OpGreaterEqualInt64x2:
  1211  		v.Op = OpARM64VCMGE2D
  1212  		return true
  1213  	case OpGreaterEqualInt8x16:
  1214  		v.Op = OpARM64VCMGE16B
  1215  		return true
  1216  	case OpGreaterEqualUint16x8:
  1217  		v.Op = OpARM64VCMHS8H
  1218  		return true
  1219  	case OpGreaterEqualUint32x4:
  1220  		v.Op = OpARM64VCMHS4S
  1221  		return true
  1222  	case OpGreaterEqualUint64x2:
  1223  		v.Op = OpARM64VCMHS2D
  1224  		return true
  1225  	case OpGreaterEqualUint8x16:
  1226  		v.Op = OpARM64VCMHS16B
  1227  		return true
  1228  	case OpGreaterFloat32x4:
  1229  		v.Op = OpARM64VFCMGT4S
  1230  		return true
  1231  	case OpGreaterFloat64x2:
  1232  		v.Op = OpARM64VFCMGT2D
  1233  		return true
  1234  	case OpGreaterInt16x8:
  1235  		v.Op = OpARM64VCMGT8H
  1236  		return true
  1237  	case OpGreaterInt32x4:
  1238  		v.Op = OpARM64VCMGT4S
  1239  		return true
  1240  	case OpGreaterInt64x2:
  1241  		v.Op = OpARM64VCMGT2D
  1242  		return true
  1243  	case OpGreaterInt8s:
  1244  		return rewriteValueARM64_OpGreaterInt8s(v)
  1245  	case OpGreaterInt8x16:
  1246  		v.Op = OpARM64VCMGT16B
  1247  		return true
  1248  	case OpGreaterUint16x8:
  1249  		v.Op = OpARM64VCMHI8H
  1250  		return true
  1251  	case OpGreaterUint32x4:
  1252  		v.Op = OpARM64VCMHI4S
  1253  		return true
  1254  	case OpGreaterUint64x2:
  1255  		v.Op = OpARM64VCMHI2D
  1256  		return true
  1257  	case OpGreaterUint8x16:
  1258  		v.Op = OpARM64VCMHI16B
  1259  		return true
  1260  	case OpHmul32:
  1261  		return rewriteValueARM64_OpHmul32(v)
  1262  	case OpHmul32u:
  1263  		return rewriteValueARM64_OpHmul32u(v)
  1264  	case OpHmul64:
  1265  		v.Op = OpARM64MULH
  1266  		return true
  1267  	case OpHmul64u:
  1268  		v.Op = OpARM64UMULH
  1269  		return true
  1270  	case OpInterCall:
  1271  		v.Op = OpARM64CALLinter
  1272  		return true
  1273  	case OpInterleaveEvenInt16x8:
  1274  		v.Op = OpARM64VTRN18H
  1275  		return true
  1276  	case OpInterleaveEvenInt32x4:
  1277  		v.Op = OpARM64VTRN14S
  1278  		return true
  1279  	case OpInterleaveEvenInt64x2:
  1280  		v.Op = OpARM64VTRN12D
  1281  		return true
  1282  	case OpInterleaveEvenInt8x16:
  1283  		v.Op = OpARM64VTRN116B
  1284  		return true
  1285  	case OpInterleaveEvenUint16x8:
  1286  		v.Op = OpARM64VTRN18H
  1287  		return true
  1288  	case OpInterleaveEvenUint32x4:
  1289  		v.Op = OpARM64VTRN14S
  1290  		return true
  1291  	case OpInterleaveEvenUint64x2:
  1292  		v.Op = OpARM64VTRN12D
  1293  		return true
  1294  	case OpInterleaveEvenUint8x16:
  1295  		v.Op = OpARM64VTRN116B
  1296  		return true
  1297  	case OpInterleaveHiInt16x8:
  1298  		v.Op = OpARM64VZIP28H
  1299  		return true
  1300  	case OpInterleaveHiInt32x4:
  1301  		v.Op = OpARM64VZIP24S
  1302  		return true
  1303  	case OpInterleaveHiInt64x2:
  1304  		v.Op = OpARM64VZIP22D
  1305  		return true
  1306  	case OpInterleaveHiInt8x16:
  1307  		v.Op = OpARM64VZIP216B
  1308  		return true
  1309  	case OpInterleaveHiUint16x8:
  1310  		v.Op = OpARM64VZIP28H
  1311  		return true
  1312  	case OpInterleaveHiUint32x4:
  1313  		v.Op = OpARM64VZIP24S
  1314  		return true
  1315  	case OpInterleaveHiUint64x2:
  1316  		v.Op = OpARM64VZIP22D
  1317  		return true
  1318  	case OpInterleaveHiUint8x16:
  1319  		v.Op = OpARM64VZIP216B
  1320  		return true
  1321  	case OpInterleaveLoInt16x8:
  1322  		v.Op = OpARM64VZIP18H
  1323  		return true
  1324  	case OpInterleaveLoInt32x4:
  1325  		v.Op = OpARM64VZIP14S
  1326  		return true
  1327  	case OpInterleaveLoInt64x2:
  1328  		v.Op = OpARM64VZIP12D
  1329  		return true
  1330  	case OpInterleaveLoInt8x16:
  1331  		v.Op = OpARM64VZIP116B
  1332  		return true
  1333  	case OpInterleaveLoUint16x8:
  1334  		v.Op = OpARM64VZIP18H
  1335  		return true
  1336  	case OpInterleaveLoUint32x4:
  1337  		v.Op = OpARM64VZIP14S
  1338  		return true
  1339  	case OpInterleaveLoUint64x2:
  1340  		v.Op = OpARM64VZIP12D
  1341  		return true
  1342  	case OpInterleaveLoUint8x16:
  1343  		v.Op = OpARM64VZIP116B
  1344  		return true
  1345  	case OpInterleaveOddInt16x8:
  1346  		v.Op = OpARM64VTRN28H
  1347  		return true
  1348  	case OpInterleaveOddInt32x4:
  1349  		v.Op = OpARM64VTRN24S
  1350  		return true
  1351  	case OpInterleaveOddInt64x2:
  1352  		v.Op = OpARM64VTRN22D
  1353  		return true
  1354  	case OpInterleaveOddInt8x16:
  1355  		v.Op = OpARM64VTRN216B
  1356  		return true
  1357  	case OpInterleaveOddUint16x8:
  1358  		v.Op = OpARM64VTRN28H
  1359  		return true
  1360  	case OpInterleaveOddUint32x4:
  1361  		v.Op = OpARM64VTRN24S
  1362  		return true
  1363  	case OpInterleaveOddUint64x2:
  1364  		v.Op = OpARM64VTRN22D
  1365  		return true
  1366  	case OpInterleaveOddUint8x16:
  1367  		v.Op = OpARM64VTRN216B
  1368  		return true
  1369  	case OpIsInBounds:
  1370  		return rewriteValueARM64_OpIsInBounds(v)
  1371  	case OpIsNonNil:
  1372  		return rewriteValueARM64_OpIsNonNil(v)
  1373  	case OpIsSliceInBounds:
  1374  		return rewriteValueARM64_OpIsSliceInBounds(v)
  1375  	case OpLeadingSignBitsInt16x8:
  1376  		v.Op = OpARM64VCLS8H
  1377  		return true
  1378  	case OpLeadingSignBitsInt32x4:
  1379  		v.Op = OpARM64VCLS4S
  1380  		return true
  1381  	case OpLeadingSignBitsInt8x16:
  1382  		v.Op = OpARM64VCLS16B
  1383  		return true
  1384  	case OpLeadingSignBitsUint16x8:
  1385  		v.Op = OpARM64VCLS8H
  1386  		return true
  1387  	case OpLeadingSignBitsUint32x4:
  1388  		v.Op = OpARM64VCLS4S
  1389  		return true
  1390  	case OpLeadingSignBitsUint8x16:
  1391  		v.Op = OpARM64VCLS16B
  1392  		return true
  1393  	case OpLeadingZerosInt16x8:
  1394  		v.Op = OpARM64VCLZ8H
  1395  		return true
  1396  	case OpLeadingZerosInt32x4:
  1397  		v.Op = OpARM64VCLZ4S
  1398  		return true
  1399  	case OpLeadingZerosInt8x16:
  1400  		v.Op = OpARM64VCLZ16B
  1401  		return true
  1402  	case OpLeadingZerosUint16x8:
  1403  		v.Op = OpARM64VCLZ8H
  1404  		return true
  1405  	case OpLeadingZerosUint32x4:
  1406  		v.Op = OpARM64VCLZ4S
  1407  		return true
  1408  	case OpLeadingZerosUint8x16:
  1409  		v.Op = OpARM64VCLZ16B
  1410  		return true
  1411  	case OpLeq16:
  1412  		return rewriteValueARM64_OpLeq16(v)
  1413  	case OpLeq16U:
  1414  		return rewriteValueARM64_OpLeq16U(v)
  1415  	case OpLeq32:
  1416  		return rewriteValueARM64_OpLeq32(v)
  1417  	case OpLeq32F:
  1418  		return rewriteValueARM64_OpLeq32F(v)
  1419  	case OpLeq32U:
  1420  		return rewriteValueARM64_OpLeq32U(v)
  1421  	case OpLeq64:
  1422  		return rewriteValueARM64_OpLeq64(v)
  1423  	case OpLeq64F:
  1424  		return rewriteValueARM64_OpLeq64F(v)
  1425  	case OpLeq64U:
  1426  		return rewriteValueARM64_OpLeq64U(v)
  1427  	case OpLeq8:
  1428  		return rewriteValueARM64_OpLeq8(v)
  1429  	case OpLeq8U:
  1430  		return rewriteValueARM64_OpLeq8U(v)
  1431  	case OpLess16:
  1432  		return rewriteValueARM64_OpLess16(v)
  1433  	case OpLess16U:
  1434  		return rewriteValueARM64_OpLess16U(v)
  1435  	case OpLess32:
  1436  		return rewriteValueARM64_OpLess32(v)
  1437  	case OpLess32F:
  1438  		return rewriteValueARM64_OpLess32F(v)
  1439  	case OpLess32U:
  1440  		return rewriteValueARM64_OpLess32U(v)
  1441  	case OpLess64:
  1442  		return rewriteValueARM64_OpLess64(v)
  1443  	case OpLess64F:
  1444  		return rewriteValueARM64_OpLess64F(v)
  1445  	case OpLess64U:
  1446  		return rewriteValueARM64_OpLess64U(v)
  1447  	case OpLess8:
  1448  		return rewriteValueARM64_OpLess8(v)
  1449  	case OpLess8U:
  1450  		return rewriteValueARM64_OpLess8U(v)
  1451  	case OpLoad:
  1452  		return rewriteValueARM64_OpLoad(v)
  1453  	case OpLoadMasked8:
  1454  		return rewriteValueARM64_OpLoadMasked8(v)
  1455  	case OpLocalAddr:
  1456  		return rewriteValueARM64_OpLocalAddr(v)
  1457  	case OpLookupOrZeroInt8x16:
  1458  		v.Op = OpARM64VTBL16B
  1459  		return true
  1460  	case OpLookupOrZeroUint8x16:
  1461  		v.Op = OpARM64VTBL16B
  1462  		return true
  1463  	case OpLsh16x16:
  1464  		v.Op = OpLsh64x16
  1465  		return true
  1466  	case OpLsh16x32:
  1467  		v.Op = OpLsh64x32
  1468  		return true
  1469  	case OpLsh16x64:
  1470  		v.Op = OpLsh64x64
  1471  		return true
  1472  	case OpLsh16x8:
  1473  		v.Op = OpLsh64x8
  1474  		return true
  1475  	case OpLsh32x16:
  1476  		v.Op = OpLsh64x16
  1477  		return true
  1478  	case OpLsh32x32:
  1479  		v.Op = OpLsh64x32
  1480  		return true
  1481  	case OpLsh32x64:
  1482  		v.Op = OpLsh64x64
  1483  		return true
  1484  	case OpLsh32x8:
  1485  		v.Op = OpLsh64x8
  1486  		return true
  1487  	case OpLsh64x16:
  1488  		return rewriteValueARM64_OpLsh64x16(v)
  1489  	case OpLsh64x32:
  1490  		return rewriteValueARM64_OpLsh64x32(v)
  1491  	case OpLsh64x64:
  1492  		return rewriteValueARM64_OpLsh64x64(v)
  1493  	case OpLsh64x8:
  1494  		return rewriteValueARM64_OpLsh64x8(v)
  1495  	case OpLsh8x16:
  1496  		v.Op = OpLsh64x16
  1497  		return true
  1498  	case OpLsh8x32:
  1499  		v.Op = OpLsh64x32
  1500  		return true
  1501  	case OpLsh8x64:
  1502  		v.Op = OpLsh64x64
  1503  		return true
  1504  	case OpLsh8x8:
  1505  		v.Op = OpLsh64x8
  1506  		return true
  1507  	case OpMax32F:
  1508  		v.Op = OpARM64FMAXS
  1509  		return true
  1510  	case OpMax32FSel:
  1511  		return rewriteValueARM64_OpMax32FSel(v)
  1512  	case OpMax64F:
  1513  		v.Op = OpARM64FMAXD
  1514  		return true
  1515  	case OpMax64FSel:
  1516  		return rewriteValueARM64_OpMax64FSel(v)
  1517  	case OpMaxFloat32x4:
  1518  		v.Op = OpARM64VFMAX4S
  1519  		return true
  1520  	case OpMaxFloat64x2:
  1521  		v.Op = OpARM64VFMAX2D
  1522  		return true
  1523  	case OpMaxInt16x8:
  1524  		v.Op = OpARM64VSMAX8H
  1525  		return true
  1526  	case OpMaxInt32x4:
  1527  		v.Op = OpARM64VSMAX4S
  1528  		return true
  1529  	case OpMaxInt8x16:
  1530  		v.Op = OpARM64VSMAX16B
  1531  		return true
  1532  	case OpMaxUint16x8:
  1533  		v.Op = OpARM64VUMAX8H
  1534  		return true
  1535  	case OpMaxUint32x4:
  1536  		v.Op = OpARM64VUMAX4S
  1537  		return true
  1538  	case OpMaxUint8x16:
  1539  		v.Op = OpARM64VUMAX16B
  1540  		return true
  1541  	case OpMemEq:
  1542  		v.Op = OpARM64LoweredMemEq
  1543  		return true
  1544  	case OpMergeInt8s:
  1545  		v.Op = OpARM64ZSELB
  1546  		return true
  1547  	case OpMin32F:
  1548  		v.Op = OpARM64FMINS
  1549  		return true
  1550  	case OpMin32FSel:
  1551  		return rewriteValueARM64_OpMin32FSel(v)
  1552  	case OpMin64F:
  1553  		v.Op = OpARM64FMIND
  1554  		return true
  1555  	case OpMin64FSel:
  1556  		return rewriteValueARM64_OpMin64FSel(v)
  1557  	case OpMinFloat32x4:
  1558  		v.Op = OpARM64VFMIN4S
  1559  		return true
  1560  	case OpMinFloat64x2:
  1561  		v.Op = OpARM64VFMIN2D
  1562  		return true
  1563  	case OpMinInt16x8:
  1564  		v.Op = OpARM64VSMIN8H
  1565  		return true
  1566  	case OpMinInt32x4:
  1567  		v.Op = OpARM64VSMIN4S
  1568  		return true
  1569  	case OpMinInt8x16:
  1570  		v.Op = OpARM64VSMIN16B
  1571  		return true
  1572  	case OpMinUint16x8:
  1573  		v.Op = OpARM64VUMIN8H
  1574  		return true
  1575  	case OpMinUint32x4:
  1576  		v.Op = OpARM64VUMIN4S
  1577  		return true
  1578  	case OpMinUint8x16:
  1579  		v.Op = OpARM64VUMIN16B
  1580  		return true
  1581  	case OpMod16:
  1582  		return rewriteValueARM64_OpMod16(v)
  1583  	case OpMod16u:
  1584  		return rewriteValueARM64_OpMod16u(v)
  1585  	case OpMod32:
  1586  		return rewriteValueARM64_OpMod32(v)
  1587  	case OpMod32u:
  1588  		v.Op = OpARM64UMODW
  1589  		return true
  1590  	case OpMod64:
  1591  		return rewriteValueARM64_OpMod64(v)
  1592  	case OpMod64u:
  1593  		v.Op = OpARM64UMOD
  1594  		return true
  1595  	case OpMod8:
  1596  		return rewriteValueARM64_OpMod8(v)
  1597  	case OpMod8u:
  1598  		return rewriteValueARM64_OpMod8u(v)
  1599  	case OpMove:
  1600  		return rewriteValueARM64_OpMove(v)
  1601  	case OpMul16:
  1602  		v.Op = OpARM64MULW
  1603  		return true
  1604  	case OpMul32:
  1605  		v.Op = OpARM64MULW
  1606  		return true
  1607  	case OpMul32F:
  1608  		v.Op = OpARM64FMULS
  1609  		return true
  1610  	case OpMul64:
  1611  		v.Op = OpARM64MUL
  1612  		return true
  1613  	case OpMul64F:
  1614  		v.Op = OpARM64FMULD
  1615  		return true
  1616  	case OpMul8:
  1617  		v.Op = OpARM64MULW
  1618  		return true
  1619  	case OpMulAddFloat32x4:
  1620  		return rewriteValueARM64_OpMulAddFloat32x4(v)
  1621  	case OpMulAddFloat64x2:
  1622  		return rewriteValueARM64_OpMulAddFloat64x2(v)
  1623  	case OpMulAddInt16x8:
  1624  		return rewriteValueARM64_OpMulAddInt16x8(v)
  1625  	case OpMulAddInt32x4:
  1626  		return rewriteValueARM64_OpMulAddInt32x4(v)
  1627  	case OpMulAddInt8x16:
  1628  		return rewriteValueARM64_OpMulAddInt8x16(v)
  1629  	case OpMulAddUint16x8:
  1630  		return rewriteValueARM64_OpMulAddUint16x8(v)
  1631  	case OpMulAddUint32x4:
  1632  		return rewriteValueARM64_OpMulAddUint32x4(v)
  1633  	case OpMulAddUint8x16:
  1634  		return rewriteValueARM64_OpMulAddUint8x16(v)
  1635  	case OpMulFloat32x4:
  1636  		v.Op = OpARM64VFMUL4S
  1637  		return true
  1638  	case OpMulFloat64x2:
  1639  		v.Op = OpARM64VFMUL2D
  1640  		return true
  1641  	case OpMulInt16x8:
  1642  		v.Op = OpARM64VMUL8H
  1643  		return true
  1644  	case OpMulInt32x4:
  1645  		v.Op = OpARM64VMUL4S
  1646  		return true
  1647  	case OpMulInt8x16:
  1648  		v.Op = OpARM64VMUL16B
  1649  		return true
  1650  	case OpMulUint16x8:
  1651  		v.Op = OpARM64VMUL8H
  1652  		return true
  1653  	case OpMulUint32x4:
  1654  		v.Op = OpARM64VMUL4S
  1655  		return true
  1656  	case OpMulUint8x16:
  1657  		v.Op = OpARM64VMUL16B
  1658  		return true
  1659  	case OpMulWidenLoInt16x8:
  1660  		v.Op = OpARM64VSMULL8H
  1661  		return true
  1662  	case OpMulWidenLoInt32x4:
  1663  		v.Op = OpARM64VSMULL4S
  1664  		return true
  1665  	case OpMulWidenLoInt8x16:
  1666  		v.Op = OpARM64VSMULL16B
  1667  		return true
  1668  	case OpMulWidenLoUint16x8:
  1669  		v.Op = OpARM64VUMULL8H
  1670  		return true
  1671  	case OpMulWidenLoUint32x4:
  1672  		v.Op = OpARM64VUMULL4S
  1673  		return true
  1674  	case OpMulWidenLoUint8x16:
  1675  		v.Op = OpARM64VUMULL16B
  1676  		return true
  1677  	case OpNeg16:
  1678  		v.Op = OpARM64NEG
  1679  		return true
  1680  	case OpNeg32:
  1681  		v.Op = OpARM64NEG
  1682  		return true
  1683  	case OpNeg32F:
  1684  		v.Op = OpARM64FNEGS
  1685  		return true
  1686  	case OpNeg64:
  1687  		v.Op = OpARM64NEG
  1688  		return true
  1689  	case OpNeg64F:
  1690  		v.Op = OpARM64FNEGD
  1691  		return true
  1692  	case OpNeg8:
  1693  		v.Op = OpARM64NEG
  1694  		return true
  1695  	case OpNegFloat32x4:
  1696  		v.Op = OpARM64VFNEG4S
  1697  		return true
  1698  	case OpNegFloat64x2:
  1699  		v.Op = OpARM64VFNEG2D
  1700  		return true
  1701  	case OpNegInt16x8:
  1702  		v.Op = OpARM64VNEG8H
  1703  		return true
  1704  	case OpNegInt32x4:
  1705  		v.Op = OpARM64VNEG4S
  1706  		return true
  1707  	case OpNegInt64x2:
  1708  		v.Op = OpARM64VNEG2D
  1709  		return true
  1710  	case OpNegInt8x16:
  1711  		v.Op = OpARM64VNEG16B
  1712  		return true
  1713  	case OpNeq16:
  1714  		return rewriteValueARM64_OpNeq16(v)
  1715  	case OpNeq32:
  1716  		return rewriteValueARM64_OpNeq32(v)
  1717  	case OpNeq32F:
  1718  		return rewriteValueARM64_OpNeq32F(v)
  1719  	case OpNeq64:
  1720  		return rewriteValueARM64_OpNeq64(v)
  1721  	case OpNeq64F:
  1722  		return rewriteValueARM64_OpNeq64F(v)
  1723  	case OpNeq8:
  1724  		return rewriteValueARM64_OpNeq8(v)
  1725  	case OpNeqB:
  1726  		v.Op = OpARM64XOR
  1727  		return true
  1728  	case OpNeqPtr:
  1729  		return rewriteValueARM64_OpNeqPtr(v)
  1730  	case OpNilCheck:
  1731  		v.Op = OpARM64LoweredNilCheck
  1732  		return true
  1733  	case OpNot:
  1734  		return rewriteValueARM64_OpNot(v)
  1735  	case OpNotInt16x8:
  1736  		v.Op = OpARM64VNOT16B
  1737  		return true
  1738  	case OpNotInt32x4:
  1739  		v.Op = OpARM64VNOT16B
  1740  		return true
  1741  	case OpNotInt64x2:
  1742  		v.Op = OpARM64VNOT16B
  1743  		return true
  1744  	case OpNotInt8x16:
  1745  		v.Op = OpARM64VNOT16B
  1746  		return true
  1747  	case OpNotUint16x8:
  1748  		v.Op = OpARM64VNOT16B
  1749  		return true
  1750  	case OpNotUint32x4:
  1751  		v.Op = OpARM64VNOT16B
  1752  		return true
  1753  	case OpNotUint64x2:
  1754  		v.Op = OpARM64VNOT16B
  1755  		return true
  1756  	case OpNotUint8x16:
  1757  		v.Op = OpARM64VNOT16B
  1758  		return true
  1759  	case OpOffPtr:
  1760  		return rewriteValueARM64_OpOffPtr(v)
  1761  	case OpOnesCountInt8x16:
  1762  		v.Op = OpARM64VCNT16B
  1763  		return true
  1764  	case OpOnesCountUint8x16:
  1765  		v.Op = OpARM64VCNT16B
  1766  		return true
  1767  	case OpOr16:
  1768  		v.Op = OpARM64OR
  1769  		return true
  1770  	case OpOr32:
  1771  		v.Op = OpARM64OR
  1772  		return true
  1773  	case OpOr64:
  1774  		v.Op = OpARM64OR
  1775  		return true
  1776  	case OpOr8:
  1777  		v.Op = OpARM64OR
  1778  		return true
  1779  	case OpOrB:
  1780  		v.Op = OpARM64OR
  1781  		return true
  1782  	case OpOrInt16x8:
  1783  		v.Op = OpARM64VORR16B
  1784  		return true
  1785  	case OpOrInt32x4:
  1786  		v.Op = OpARM64VORR16B
  1787  		return true
  1788  	case OpOrInt64x2:
  1789  		v.Op = OpARM64VORR16B
  1790  		return true
  1791  	case OpOrInt8x16:
  1792  		v.Op = OpARM64VORR16B
  1793  		return true
  1794  	case OpOrNotInt16x8:
  1795  		v.Op = OpARM64VORN16B
  1796  		return true
  1797  	case OpOrNotInt32x4:
  1798  		v.Op = OpARM64VORN16B
  1799  		return true
  1800  	case OpOrNotInt64x2:
  1801  		v.Op = OpARM64VORN16B
  1802  		return true
  1803  	case OpOrNotInt8x16:
  1804  		v.Op = OpARM64VORN16B
  1805  		return true
  1806  	case OpOrNotUint16x8:
  1807  		v.Op = OpARM64VORN16B
  1808  		return true
  1809  	case OpOrNotUint32x4:
  1810  		v.Op = OpARM64VORN16B
  1811  		return true
  1812  	case OpOrNotUint64x2:
  1813  		v.Op = OpARM64VORN16B
  1814  		return true
  1815  	case OpOrNotUint8x16:
  1816  		v.Op = OpARM64VORN16B
  1817  		return true
  1818  	case OpOrUint16x8:
  1819  		v.Op = OpARM64VORR16B
  1820  		return true
  1821  	case OpOrUint32x4:
  1822  		v.Op = OpARM64VORR16B
  1823  		return true
  1824  	case OpOrUint64x2:
  1825  		v.Op = OpARM64VORR16B
  1826  		return true
  1827  	case OpOrUint8x16:
  1828  		v.Op = OpARM64VORR16B
  1829  		return true
  1830  	case OpPanicBounds:
  1831  		v.Op = OpARM64LoweredPanicBoundsRR
  1832  		return true
  1833  	case OpPopCount16:
  1834  		return rewriteValueARM64_OpPopCount16(v)
  1835  	case OpPopCount32:
  1836  		return rewriteValueARM64_OpPopCount32(v)
  1837  	case OpPopCount64:
  1838  		return rewriteValueARM64_OpPopCount64(v)
  1839  	case OpPrefetchCache:
  1840  		return rewriteValueARM64_OpPrefetchCache(v)
  1841  	case OpPrefetchCacheStreamed:
  1842  		return rewriteValueARM64_OpPrefetchCacheStreamed(v)
  1843  	case OpPubBarrier:
  1844  		return rewriteValueARM64_OpPubBarrier(v)
  1845  	case OpRotateLeft16:
  1846  		return rewriteValueARM64_OpRotateLeft16(v)
  1847  	case OpRotateLeft32:
  1848  		return rewriteValueARM64_OpRotateLeft32(v)
  1849  	case OpRotateLeft64:
  1850  		return rewriteValueARM64_OpRotateLeft64(v)
  1851  	case OpRotateLeft8:
  1852  		return rewriteValueARM64_OpRotateLeft8(v)
  1853  	case OpRound:
  1854  		v.Op = OpARM64FRINTAD
  1855  		return true
  1856  	case OpRound32F:
  1857  		v.Op = OpARM64LoweredRound32F
  1858  		return true
  1859  	case OpRound64F:
  1860  		v.Op = OpARM64LoweredRound64F
  1861  		return true
  1862  	case OpRoundFloat32x4:
  1863  		v.Op = OpARM64VFRINTN4S
  1864  		return true
  1865  	case OpRoundFloat64x2:
  1866  		v.Op = OpARM64VFRINTN2D
  1867  		return true
  1868  	case OpRoundToEven:
  1869  		v.Op = OpARM64FRINTND
  1870  		return true
  1871  	case OpRsh16Ux16:
  1872  		return rewriteValueARM64_OpRsh16Ux16(v)
  1873  	case OpRsh16Ux32:
  1874  		return rewriteValueARM64_OpRsh16Ux32(v)
  1875  	case OpRsh16Ux64:
  1876  		return rewriteValueARM64_OpRsh16Ux64(v)
  1877  	case OpRsh16Ux8:
  1878  		return rewriteValueARM64_OpRsh16Ux8(v)
  1879  	case OpRsh16x16:
  1880  		return rewriteValueARM64_OpRsh16x16(v)
  1881  	case OpRsh16x32:
  1882  		return rewriteValueARM64_OpRsh16x32(v)
  1883  	case OpRsh16x64:
  1884  		return rewriteValueARM64_OpRsh16x64(v)
  1885  	case OpRsh16x8:
  1886  		return rewriteValueARM64_OpRsh16x8(v)
  1887  	case OpRsh32Ux16:
  1888  		return rewriteValueARM64_OpRsh32Ux16(v)
  1889  	case OpRsh32Ux32:
  1890  		return rewriteValueARM64_OpRsh32Ux32(v)
  1891  	case OpRsh32Ux64:
  1892  		return rewriteValueARM64_OpRsh32Ux64(v)
  1893  	case OpRsh32Ux8:
  1894  		return rewriteValueARM64_OpRsh32Ux8(v)
  1895  	case OpRsh32x16:
  1896  		return rewriteValueARM64_OpRsh32x16(v)
  1897  	case OpRsh32x32:
  1898  		return rewriteValueARM64_OpRsh32x32(v)
  1899  	case OpRsh32x64:
  1900  		return rewriteValueARM64_OpRsh32x64(v)
  1901  	case OpRsh32x8:
  1902  		return rewriteValueARM64_OpRsh32x8(v)
  1903  	case OpRsh64Ux16:
  1904  		return rewriteValueARM64_OpRsh64Ux16(v)
  1905  	case OpRsh64Ux32:
  1906  		return rewriteValueARM64_OpRsh64Ux32(v)
  1907  	case OpRsh64Ux64:
  1908  		return rewriteValueARM64_OpRsh64Ux64(v)
  1909  	case OpRsh64Ux8:
  1910  		return rewriteValueARM64_OpRsh64Ux8(v)
  1911  	case OpRsh64x16:
  1912  		return rewriteValueARM64_OpRsh64x16(v)
  1913  	case OpRsh64x32:
  1914  		return rewriteValueARM64_OpRsh64x32(v)
  1915  	case OpRsh64x64:
  1916  		return rewriteValueARM64_OpRsh64x64(v)
  1917  	case OpRsh64x8:
  1918  		return rewriteValueARM64_OpRsh64x8(v)
  1919  	case OpRsh8Ux16:
  1920  		return rewriteValueARM64_OpRsh8Ux16(v)
  1921  	case OpRsh8Ux32:
  1922  		return rewriteValueARM64_OpRsh8Ux32(v)
  1923  	case OpRsh8Ux64:
  1924  		return rewriteValueARM64_OpRsh8Ux64(v)
  1925  	case OpRsh8Ux8:
  1926  		return rewriteValueARM64_OpRsh8Ux8(v)
  1927  	case OpRsh8x16:
  1928  		return rewriteValueARM64_OpRsh8x16(v)
  1929  	case OpRsh8x32:
  1930  		return rewriteValueARM64_OpRsh8x32(v)
  1931  	case OpRsh8x64:
  1932  		return rewriteValueARM64_OpRsh8x64(v)
  1933  	case OpRsh8x8:
  1934  		return rewriteValueARM64_OpRsh8x8(v)
  1935  	case OpSaturateToInt16Int32x4:
  1936  		v.Op = OpARM64VSQXTN4S
  1937  		return true
  1938  	case OpSaturateToInt32Int64x2:
  1939  		v.Op = OpARM64VSQXTN2D
  1940  		return true
  1941  	case OpSaturateToInt8Int16x8:
  1942  		v.Op = OpARM64VSQXTN8H
  1943  		return true
  1944  	case OpSaturateToUint16Int32x4:
  1945  		v.Op = OpARM64VSQXTUN4S
  1946  		return true
  1947  	case OpSaturateToUint16Uint32x4:
  1948  		v.Op = OpARM64VUQXTN4S
  1949  		return true
  1950  	case OpSaturateToUint32Int64x2:
  1951  		v.Op = OpARM64VSQXTUN2D
  1952  		return true
  1953  	case OpSaturateToUint32Uint64x2:
  1954  		v.Op = OpARM64VUQXTN2D
  1955  		return true
  1956  	case OpSaturateToUint8Int16x8:
  1957  		v.Op = OpARM64VSQXTUN8H
  1958  		return true
  1959  	case OpSaturateToUint8Uint16x8:
  1960  		v.Op = OpARM64VUQXTN8H
  1961  		return true
  1962  	case OpScalableVectorLen:
  1963  		return rewriteValueARM64_OpScalableVectorLen(v)
  1964  	case OpSelect0:
  1965  		return rewriteValueARM64_OpSelect0(v)
  1966  	case OpSelect1:
  1967  		return rewriteValueARM64_OpSelect1(v)
  1968  	case OpSelectN:
  1969  		return rewriteValueARM64_OpSelectN(v)
  1970  	case OpSetElemFloat32x4:
  1971  		v.Op = OpARM64VMOVSins0
  1972  		return true
  1973  	case OpSetElemFloat64x2:
  1974  		v.Op = OpARM64VMOVDins0
  1975  		return true
  1976  	case OpSetElemInt16x8:
  1977  		v.Op = OpARM64VMOVHins
  1978  		return true
  1979  	case OpSetElemInt32x4:
  1980  		v.Op = OpARM64VMOVSins
  1981  		return true
  1982  	case OpSetElemInt64x2:
  1983  		v.Op = OpARM64VMOVDins
  1984  		return true
  1985  	case OpSetElemInt8x16:
  1986  		v.Op = OpARM64VMOVBins
  1987  		return true
  1988  	case OpSetElemUint16x8:
  1989  		v.Op = OpARM64VMOVHins
  1990  		return true
  1991  	case OpSetElemUint32x4:
  1992  		v.Op = OpARM64VMOVSins
  1993  		return true
  1994  	case OpSetElemUint64x2:
  1995  		v.Op = OpARM64VMOVDins
  1996  		return true
  1997  	case OpSetElemUint8x16:
  1998  		v.Op = OpARM64VMOVBins
  1999  		return true
  2000  	case OpShiftAllLeftInt16x8:
  2001  		return rewriteValueARM64_OpShiftAllLeftInt16x8(v)
  2002  	case OpShiftAllLeftInt32x4:
  2003  		return rewriteValueARM64_OpShiftAllLeftInt32x4(v)
  2004  	case OpShiftAllLeftInt64x2:
  2005  		return rewriteValueARM64_OpShiftAllLeftInt64x2(v)
  2006  	case OpShiftAllLeftInt8x16:
  2007  		return rewriteValueARM64_OpShiftAllLeftInt8x16(v)
  2008  	case OpShiftAllLeftUint16x8:
  2009  		return rewriteValueARM64_OpShiftAllLeftUint16x8(v)
  2010  	case OpShiftAllLeftUint32x4:
  2011  		return rewriteValueARM64_OpShiftAllLeftUint32x4(v)
  2012  	case OpShiftAllLeftUint64x2:
  2013  		return rewriteValueARM64_OpShiftAllLeftUint64x2(v)
  2014  	case OpShiftAllLeftUint8x16:
  2015  		return rewriteValueARM64_OpShiftAllLeftUint8x16(v)
  2016  	case OpShiftAllRightInt16x8:
  2017  		return rewriteValueARM64_OpShiftAllRightInt16x8(v)
  2018  	case OpShiftAllRightInt32x4:
  2019  		return rewriteValueARM64_OpShiftAllRightInt32x4(v)
  2020  	case OpShiftAllRightInt64x2:
  2021  		return rewriteValueARM64_OpShiftAllRightInt64x2(v)
  2022  	case OpShiftAllRightInt8x16:
  2023  		return rewriteValueARM64_OpShiftAllRightInt8x16(v)
  2024  	case OpShiftAllRightUint16x8:
  2025  		return rewriteValueARM64_OpShiftAllRightUint16x8(v)
  2026  	case OpShiftAllRightUint32x4:
  2027  		return rewriteValueARM64_OpShiftAllRightUint32x4(v)
  2028  	case OpShiftAllRightUint64x2:
  2029  		return rewriteValueARM64_OpShiftAllRightUint64x2(v)
  2030  	case OpShiftAllRightUint8x16:
  2031  		return rewriteValueARM64_OpShiftAllRightUint8x16(v)
  2032  	case OpShiftInt16x8:
  2033  		v.Op = OpARM64VSSHL8H
  2034  		return true
  2035  	case OpShiftInt32x4:
  2036  		v.Op = OpARM64VSSHL4S
  2037  		return true
  2038  	case OpShiftInt64x2:
  2039  		v.Op = OpARM64VSSHL2D
  2040  		return true
  2041  	case OpShiftInt8x16:
  2042  		v.Op = OpARM64VSSHL16B
  2043  		return true
  2044  	case OpShiftSaturatedInt16x8:
  2045  		v.Op = OpARM64VSQSHL8H
  2046  		return true
  2047  	case OpShiftSaturatedInt32x4:
  2048  		v.Op = OpARM64VSQSHL4S
  2049  		return true
  2050  	case OpShiftSaturatedInt64x2:
  2051  		v.Op = OpARM64VSQSHL2D
  2052  		return true
  2053  	case OpShiftSaturatedInt8x16:
  2054  		v.Op = OpARM64VSQSHL16B
  2055  		return true
  2056  	case OpShiftSaturatedUint16x8:
  2057  		v.Op = OpARM64VUQSHL8H
  2058  		return true
  2059  	case OpShiftSaturatedUint32x4:
  2060  		v.Op = OpARM64VUQSHL4S
  2061  		return true
  2062  	case OpShiftSaturatedUint64x2:
  2063  		v.Op = OpARM64VUQSHL2D
  2064  		return true
  2065  	case OpShiftSaturatedUint8x16:
  2066  		v.Op = OpARM64VUQSHL16B
  2067  		return true
  2068  	case OpShiftUint16x8:
  2069  		v.Op = OpARM64VUSHL8H
  2070  		return true
  2071  	case OpShiftUint32x4:
  2072  		v.Op = OpARM64VUSHL4S
  2073  		return true
  2074  	case OpShiftUint64x2:
  2075  		v.Op = OpARM64VUSHL2D
  2076  		return true
  2077  	case OpShiftUint8x16:
  2078  		v.Op = OpARM64VUSHL16B
  2079  		return true
  2080  	case OpSignExt16to32:
  2081  		v.Op = OpARM64MOVHreg
  2082  		return true
  2083  	case OpSignExt16to64:
  2084  		v.Op = OpARM64MOVHreg
  2085  		return true
  2086  	case OpSignExt32to64:
  2087  		v.Op = OpARM64MOVWreg
  2088  		return true
  2089  	case OpSignExt8to16:
  2090  		v.Op = OpARM64MOVBreg
  2091  		return true
  2092  	case OpSignExt8to32:
  2093  		v.Op = OpARM64MOVBreg
  2094  		return true
  2095  	case OpSignExt8to64:
  2096  		v.Op = OpARM64MOVBreg
  2097  		return true
  2098  	case OpSlicemask:
  2099  		return rewriteValueARM64_OpSlicemask(v)
  2100  	case OpSqrt:
  2101  		v.Op = OpARM64FSQRTD
  2102  		return true
  2103  	case OpSqrt32:
  2104  		v.Op = OpARM64FSQRTS
  2105  		return true
  2106  	case OpSqrtFloat32x4:
  2107  		v.Op = OpARM64VFSQRT4S
  2108  		return true
  2109  	case OpSqrtFloat64x2:
  2110  		v.Op = OpARM64VFSQRT2D
  2111  		return true
  2112  	case OpStaticCall:
  2113  		v.Op = OpARM64CALLstatic
  2114  		return true
  2115  	case OpStore:
  2116  		return rewriteValueARM64_OpStore(v)
  2117  	case OpStoreMasked8:
  2118  		return rewriteValueARM64_OpStoreMasked8(v)
  2119  	case OpSub16:
  2120  		v.Op = OpARM64SUB
  2121  		return true
  2122  	case OpSub32:
  2123  		v.Op = OpARM64SUB
  2124  		return true
  2125  	case OpSub32F:
  2126  		v.Op = OpARM64FSUBS
  2127  		return true
  2128  	case OpSub64:
  2129  		v.Op = OpARM64SUB
  2130  		return true
  2131  	case OpSub64F:
  2132  		v.Op = OpARM64FSUBD
  2133  		return true
  2134  	case OpSub8:
  2135  		v.Op = OpARM64SUB
  2136  		return true
  2137  	case OpSubFloat32x4:
  2138  		v.Op = OpARM64VFSUB4S
  2139  		return true
  2140  	case OpSubFloat64x2:
  2141  		v.Op = OpARM64VFSUB2D
  2142  		return true
  2143  	case OpSubInt16x8:
  2144  		v.Op = OpARM64VSUB8H
  2145  		return true
  2146  	case OpSubInt32x4:
  2147  		v.Op = OpARM64VSUB4S
  2148  		return true
  2149  	case OpSubInt64x2:
  2150  		v.Op = OpARM64VSUB2D
  2151  		return true
  2152  	case OpSubInt8x16:
  2153  		v.Op = OpARM64VSUB16B
  2154  		return true
  2155  	case OpSubPtr:
  2156  		v.Op = OpARM64SUB
  2157  		return true
  2158  	case OpSubSaturatedInt16x8:
  2159  		v.Op = OpARM64VSQSUB8H
  2160  		return true
  2161  	case OpSubSaturatedInt32x4:
  2162  		v.Op = OpARM64VSQSUB4S
  2163  		return true
  2164  	case OpSubSaturatedInt64x2:
  2165  		v.Op = OpARM64VSQSUB2D
  2166  		return true
  2167  	case OpSubSaturatedInt8x16:
  2168  		v.Op = OpARM64VSQSUB16B
  2169  		return true
  2170  	case OpSubSaturatedUint16x8:
  2171  		v.Op = OpARM64VUQSUB8H
  2172  		return true
  2173  	case OpSubSaturatedUint32x4:
  2174  		v.Op = OpARM64VUQSUB4S
  2175  		return true
  2176  	case OpSubSaturatedUint64x2:
  2177  		v.Op = OpARM64VUQSUB2D
  2178  		return true
  2179  	case OpSubSaturatedUint8x16:
  2180  		v.Op = OpARM64VUQSUB16B
  2181  		return true
  2182  	case OpSubUint16x8:
  2183  		v.Op = OpARM64VSUB8H
  2184  		return true
  2185  	case OpSubUint32x4:
  2186  		v.Op = OpARM64VSUB4S
  2187  		return true
  2188  	case OpSubUint64x2:
  2189  		v.Op = OpARM64VSUB2D
  2190  		return true
  2191  	case OpSubUint8x16:
  2192  		v.Op = OpARM64VSUB16B
  2193  		return true
  2194  	case OpTailCall:
  2195  		v.Op = OpARM64CALLtail
  2196  		return true
  2197  	case OpTailCallInter:
  2198  		v.Op = OpARM64CALLtailinter
  2199  		return true
  2200  	case OpTrunc:
  2201  		v.Op = OpARM64FRINTZD
  2202  		return true
  2203  	case OpTrunc16to8:
  2204  		v.Op = OpCopy
  2205  		return true
  2206  	case OpTrunc32to16:
  2207  		v.Op = OpCopy
  2208  		return true
  2209  	case OpTrunc32to8:
  2210  		v.Op = OpCopy
  2211  		return true
  2212  	case OpTrunc64to16:
  2213  		v.Op = OpCopy
  2214  		return true
  2215  	case OpTrunc64to32:
  2216  		v.Op = OpCopy
  2217  		return true
  2218  	case OpTrunc64to8:
  2219  		v.Op = OpCopy
  2220  		return true
  2221  	case OpTruncFloat32x4:
  2222  		v.Op = OpARM64VFRINTZ4S
  2223  		return true
  2224  	case OpTruncFloat64x2:
  2225  		v.Op = OpARM64VFRINTZ2D
  2226  		return true
  2227  	case OpTruncToInt16Int32x4:
  2228  		v.Op = OpARM64VXTN4S
  2229  		return true
  2230  	case OpTruncToInt32Int64x2:
  2231  		v.Op = OpARM64VXTN2D
  2232  		return true
  2233  	case OpTruncToInt8Int16x8:
  2234  		v.Op = OpARM64VXTN8H
  2235  		return true
  2236  	case OpTruncToUint16Uint32x4:
  2237  		v.Op = OpARM64VXTN4S
  2238  		return true
  2239  	case OpTruncToUint32Uint64x2:
  2240  		v.Op = OpARM64VXTN2D
  2241  		return true
  2242  	case OpTruncToUint8Uint16x8:
  2243  		v.Op = OpARM64VXTN8H
  2244  		return true
  2245  	case OpWB:
  2246  		v.Op = OpARM64LoweredWB
  2247  		return true
  2248  	case OpXor16:
  2249  		v.Op = OpARM64XOR
  2250  		return true
  2251  	case OpXor32:
  2252  		v.Op = OpARM64XOR
  2253  		return true
  2254  	case OpXor64:
  2255  		v.Op = OpARM64XOR
  2256  		return true
  2257  	case OpXor8:
  2258  		v.Op = OpARM64XOR
  2259  		return true
  2260  	case OpXorInt16x8:
  2261  		v.Op = OpARM64VEOR16B
  2262  		return true
  2263  	case OpXorInt32x4:
  2264  		v.Op = OpARM64VEOR16B
  2265  		return true
  2266  	case OpXorInt64x2:
  2267  		v.Op = OpARM64VEOR16B
  2268  		return true
  2269  	case OpXorInt8x16:
  2270  		v.Op = OpARM64VEOR16B
  2271  		return true
  2272  	case OpXorUint16x8:
  2273  		v.Op = OpARM64VEOR16B
  2274  		return true
  2275  	case OpXorUint32x4:
  2276  		v.Op = OpARM64VEOR16B
  2277  		return true
  2278  	case OpXorUint64x2:
  2279  		v.Op = OpARM64VEOR16B
  2280  		return true
  2281  	case OpXorUint8x16:
  2282  		v.Op = OpARM64VEOR16B
  2283  		return true
  2284  	case OpZero:
  2285  		return rewriteValueARM64_OpZero(v)
  2286  	case OpZeroExt16to32:
  2287  		v.Op = OpARM64MOVHUreg
  2288  		return true
  2289  	case OpZeroExt16to64:
  2290  		v.Op = OpARM64MOVHUreg
  2291  		return true
  2292  	case OpZeroExt32to64:
  2293  		v.Op = OpARM64MOVWUreg
  2294  		return true
  2295  	case OpZeroExt8to16:
  2296  		v.Op = OpARM64MOVBUreg
  2297  		return true
  2298  	case OpZeroExt8to32:
  2299  		v.Op = OpARM64MOVBUreg
  2300  		return true
  2301  	case OpZeroExt8to64:
  2302  		v.Op = OpARM64MOVBUreg
  2303  		return true
  2304  	case OpZeroSIMD:
  2305  		return rewriteValueARM64_OpZeroSIMD(v)
  2306  	case OpbitSelectInt8x16:
  2307  		v.Op = OpARM64VBIF16B
  2308  		return true
  2309  	case OpbitSelectNotInt8x16:
  2310  		v.Op = OpARM64VBIT16B
  2311  		return true
  2312  	case Opbroadcast1To16Int8x16:
  2313  		return rewriteValueARM64_Opbroadcast1To16Int8x16(v)
  2314  	case Opbroadcast1To16Uint8x16:
  2315  		return rewriteValueARM64_Opbroadcast1To16Uint8x16(v)
  2316  	case Opbroadcast1To2Float64x2:
  2317  		return rewriteValueARM64_Opbroadcast1To2Float64x2(v)
  2318  	case Opbroadcast1To2Int64x2:
  2319  		return rewriteValueARM64_Opbroadcast1To2Int64x2(v)
  2320  	case Opbroadcast1To2Uint64x2:
  2321  		return rewriteValueARM64_Opbroadcast1To2Uint64x2(v)
  2322  	case Opbroadcast1To4Float32x4:
  2323  		return rewriteValueARM64_Opbroadcast1To4Float32x4(v)
  2324  	case Opbroadcast1To4Int32x4:
  2325  		return rewriteValueARM64_Opbroadcast1To4Int32x4(v)
  2326  	case Opbroadcast1To4Uint32x4:
  2327  		return rewriteValueARM64_Opbroadcast1To4Uint32x4(v)
  2328  	case Opbroadcast1To8Int16x8:
  2329  		return rewriteValueARM64_Opbroadcast1To8Int16x8(v)
  2330  	case Opbroadcast1To8Uint16x8:
  2331  		return rewriteValueARM64_Opbroadcast1To8Uint16x8(v)
  2332  	case OpcarrylessMultiplyWidenLoUint64x2:
  2333  		v.Op = OpARM64VPMULL2D
  2334  		return true
  2335  	case OpreduceMaxFloat32x4:
  2336  		v.Op = OpARM64VFMAXV4S
  2337  		return true
  2338  	case OpreduceMaxInt16x8:
  2339  		v.Op = OpARM64VSMAXV8H
  2340  		return true
  2341  	case OpreduceMaxInt32x4:
  2342  		v.Op = OpARM64VSMAXV4S
  2343  		return true
  2344  	case OpreduceMaxInt8x16:
  2345  		v.Op = OpARM64VSMAXV16B
  2346  		return true
  2347  	case OpreduceMaxUint16x8:
  2348  		v.Op = OpARM64VUMAXV8H
  2349  		return true
  2350  	case OpreduceMaxUint32x4:
  2351  		v.Op = OpARM64VUMAXV4S
  2352  		return true
  2353  	case OpreduceMaxUint8x16:
  2354  		v.Op = OpARM64VUMAXV16B
  2355  		return true
  2356  	case OpreduceMinFloat32x4:
  2357  		v.Op = OpARM64VFMINV4S
  2358  		return true
  2359  	case OpreduceMinInt16x8:
  2360  		v.Op = OpARM64VSMINV8H
  2361  		return true
  2362  	case OpreduceMinInt32x4:
  2363  		v.Op = OpARM64VSMINV4S
  2364  		return true
  2365  	case OpreduceMinInt8x16:
  2366  		v.Op = OpARM64VSMINV16B
  2367  		return true
  2368  	case OpreduceMinUint16x8:
  2369  		v.Op = OpARM64VUMINV8H
  2370  		return true
  2371  	case OpreduceMinUint32x4:
  2372  		v.Op = OpARM64VUMINV4S
  2373  		return true
  2374  	case OpreduceMinUint8x16:
  2375  		v.Op = OpARM64VUMINV16B
  2376  		return true
  2377  	case OpreduceSumInt16x8:
  2378  		v.Op = OpARM64VADDV8H
  2379  		return true
  2380  	case OpreduceSumInt32x4:
  2381  		v.Op = OpARM64VADDV4S
  2382  		return true
  2383  	case OpreduceSumInt8x16:
  2384  		v.Op = OpARM64VADDV16B
  2385  		return true
  2386  	case OpreduceSumUint16x8:
  2387  		v.Op = OpARM64VADDV8H
  2388  		return true
  2389  	case OpreduceSumUint32x4:
  2390  		v.Op = OpARM64VADDV4S
  2391  		return true
  2392  	case OpreduceSumUint8x16:
  2393  		v.Op = OpARM64VADDV16B
  2394  		return true
  2395  	}
  2396  	return false
  2397  }
  2398  func rewriteValueARM64_OpARM64ADCSflags(v *Value) bool {
  2399  	v_2 := v.Args[2]
  2400  	v_1 := v.Args[1]
  2401  	v_0 := v.Args[0]
  2402  	b := v.Block
  2403  	typ := &b.Func.Config.Types
  2404  	// match: (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] (ADCzerocarry <typ.UInt64> c))))
  2405  	// result: (ADCSflags x y c)
  2406  	for {
  2407  		x := v_0
  2408  		y := v_1
  2409  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
  2410  			break
  2411  		}
  2412  		v_2_0 := v_2.Args[0]
  2413  		if v_2_0.Op != OpARM64ADDSconstflags || auxIntToInt64(v_2_0.AuxInt) != -1 {
  2414  			break
  2415  		}
  2416  		v_2_0_0 := v_2_0.Args[0]
  2417  		if v_2_0_0.Op != OpARM64ADCzerocarry || v_2_0_0.Type != typ.UInt64 {
  2418  			break
  2419  		}
  2420  		c := v_2_0_0.Args[0]
  2421  		v.reset(OpARM64ADCSflags)
  2422  		v.AddArg3(x, y, c)
  2423  		return true
  2424  	}
  2425  	// match: (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] (MOVDconst [0]))))
  2426  	// result: (ADDSflags x y)
  2427  	for {
  2428  		x := v_0
  2429  		y := v_1
  2430  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
  2431  			break
  2432  		}
  2433  		v_2_0 := v_2.Args[0]
  2434  		if v_2_0.Op != OpARM64ADDSconstflags || auxIntToInt64(v_2_0.AuxInt) != -1 {
  2435  			break
  2436  		}
  2437  		v_2_0_0 := v_2_0.Args[0]
  2438  		if v_2_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_2_0_0.AuxInt) != 0 {
  2439  			break
  2440  		}
  2441  		v.reset(OpARM64ADDSflags)
  2442  		v.AddArg2(x, y)
  2443  		return true
  2444  	}
  2445  	return false
  2446  }
  2447  func rewriteValueARM64_OpARM64ADD(v *Value) bool {
  2448  	v_1 := v.Args[1]
  2449  	v_0 := v.Args[0]
  2450  	b := v.Block
  2451  	// match: (ADD x (MOVDconst <t> [c]))
  2452  	// cond: !t.IsPtr()
  2453  	// result: (ADDconst [c] x)
  2454  	for {
  2455  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2456  			x := v_0
  2457  			if v_1.Op != OpARM64MOVDconst {
  2458  				continue
  2459  			}
  2460  			t := v_1.Type
  2461  			c := auxIntToInt64(v_1.AuxInt)
  2462  			if !(!t.IsPtr()) {
  2463  				continue
  2464  			}
  2465  			v.reset(OpARM64ADDconst)
  2466  			v.AuxInt = int64ToAuxInt(c)
  2467  			v.AddArg(x)
  2468  			return true
  2469  		}
  2470  		break
  2471  	}
  2472  	// match: (ADD a l:(MUL x y))
  2473  	// cond: l.Uses==1 && clobber(l)
  2474  	// result: (MADD a x y)
  2475  	for {
  2476  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2477  			a := v_0
  2478  			l := v_1
  2479  			if l.Op != OpARM64MUL {
  2480  				continue
  2481  			}
  2482  			y := l.Args[1]
  2483  			x := l.Args[0]
  2484  			if !(l.Uses == 1 && clobber(l)) {
  2485  				continue
  2486  			}
  2487  			v.reset(OpARM64MADD)
  2488  			v.AddArg3(a, x, y)
  2489  			return true
  2490  		}
  2491  		break
  2492  	}
  2493  	// match: (ADD a l:(MNEG x y))
  2494  	// cond: l.Uses==1 && clobber(l)
  2495  	// result: (MSUB a x y)
  2496  	for {
  2497  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2498  			a := v_0
  2499  			l := v_1
  2500  			if l.Op != OpARM64MNEG {
  2501  				continue
  2502  			}
  2503  			y := l.Args[1]
  2504  			x := l.Args[0]
  2505  			if !(l.Uses == 1 && clobber(l)) {
  2506  				continue
  2507  			}
  2508  			v.reset(OpARM64MSUB)
  2509  			v.AddArg3(a, x, y)
  2510  			return true
  2511  		}
  2512  		break
  2513  	}
  2514  	// match: (ADD a l:(MULW x y))
  2515  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
  2516  	// result: (MADDW a x y)
  2517  	for {
  2518  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2519  			a := v_0
  2520  			l := v_1
  2521  			if l.Op != OpARM64MULW {
  2522  				continue
  2523  			}
  2524  			y := l.Args[1]
  2525  			x := l.Args[0]
  2526  			if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
  2527  				continue
  2528  			}
  2529  			v.reset(OpARM64MADDW)
  2530  			v.AddArg3(a, x, y)
  2531  			return true
  2532  		}
  2533  		break
  2534  	}
  2535  	// match: (ADD a l:(MNEGW x y))
  2536  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
  2537  	// result: (MSUBW a x y)
  2538  	for {
  2539  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2540  			a := v_0
  2541  			l := v_1
  2542  			if l.Op != OpARM64MNEGW {
  2543  				continue
  2544  			}
  2545  			y := l.Args[1]
  2546  			x := l.Args[0]
  2547  			if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
  2548  				continue
  2549  			}
  2550  			v.reset(OpARM64MSUBW)
  2551  			v.AddArg3(a, x, y)
  2552  			return true
  2553  		}
  2554  		break
  2555  	}
  2556  	// match: (ADD <t> a p:(ADDconst [c] m:(MUL _ _)))
  2557  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2558  	// result: (ADDconst [c] (ADD <v.Type> a m))
  2559  	for {
  2560  		t := v.Type
  2561  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2562  			a := v_0
  2563  			p := v_1
  2564  			if p.Op != OpARM64ADDconst {
  2565  				continue
  2566  			}
  2567  			c := auxIntToInt64(p.AuxInt)
  2568  			m := p.Args[0]
  2569  			if m.Op != OpARM64MUL || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2570  				continue
  2571  			}
  2572  			v.reset(OpARM64ADDconst)
  2573  			v.AuxInt = int64ToAuxInt(c)
  2574  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2575  			v0.AddArg2(a, m)
  2576  			v.AddArg(v0)
  2577  			return true
  2578  		}
  2579  		break
  2580  	}
  2581  	// match: (ADD <t> a p:(ADDconst [c] m:(MULW _ _)))
  2582  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2583  	// result: (ADDconst [c] (ADD <v.Type> a m))
  2584  	for {
  2585  		t := v.Type
  2586  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2587  			a := v_0
  2588  			p := v_1
  2589  			if p.Op != OpARM64ADDconst {
  2590  				continue
  2591  			}
  2592  			c := auxIntToInt64(p.AuxInt)
  2593  			m := p.Args[0]
  2594  			if m.Op != OpARM64MULW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2595  				continue
  2596  			}
  2597  			v.reset(OpARM64ADDconst)
  2598  			v.AuxInt = int64ToAuxInt(c)
  2599  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2600  			v0.AddArg2(a, m)
  2601  			v.AddArg(v0)
  2602  			return true
  2603  		}
  2604  		break
  2605  	}
  2606  	// match: (ADD <t> a p:(ADDconst [c] m:(MNEG _ _)))
  2607  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2608  	// result: (ADDconst [c] (ADD <v.Type> a m))
  2609  	for {
  2610  		t := v.Type
  2611  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2612  			a := v_0
  2613  			p := v_1
  2614  			if p.Op != OpARM64ADDconst {
  2615  				continue
  2616  			}
  2617  			c := auxIntToInt64(p.AuxInt)
  2618  			m := p.Args[0]
  2619  			if m.Op != OpARM64MNEG || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2620  				continue
  2621  			}
  2622  			v.reset(OpARM64ADDconst)
  2623  			v.AuxInt = int64ToAuxInt(c)
  2624  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2625  			v0.AddArg2(a, m)
  2626  			v.AddArg(v0)
  2627  			return true
  2628  		}
  2629  		break
  2630  	}
  2631  	// match: (ADD <t> a p:(ADDconst [c] m:(MNEGW _ _)))
  2632  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2633  	// result: (ADDconst [c] (ADD <v.Type> a m))
  2634  	for {
  2635  		t := v.Type
  2636  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2637  			a := v_0
  2638  			p := v_1
  2639  			if p.Op != OpARM64ADDconst {
  2640  				continue
  2641  			}
  2642  			c := auxIntToInt64(p.AuxInt)
  2643  			m := p.Args[0]
  2644  			if m.Op != OpARM64MNEGW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2645  				continue
  2646  			}
  2647  			v.reset(OpARM64ADDconst)
  2648  			v.AuxInt = int64ToAuxInt(c)
  2649  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2650  			v0.AddArg2(a, m)
  2651  			v.AddArg(v0)
  2652  			return true
  2653  		}
  2654  		break
  2655  	}
  2656  	// match: (ADD <t> a p:(SUBconst [c] m:(MUL _ _)))
  2657  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2658  	// result: (SUBconst [c] (ADD <v.Type> a m))
  2659  	for {
  2660  		t := v.Type
  2661  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2662  			a := v_0
  2663  			p := v_1
  2664  			if p.Op != OpARM64SUBconst {
  2665  				continue
  2666  			}
  2667  			c := auxIntToInt64(p.AuxInt)
  2668  			m := p.Args[0]
  2669  			if m.Op != OpARM64MUL || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2670  				continue
  2671  			}
  2672  			v.reset(OpARM64SUBconst)
  2673  			v.AuxInt = int64ToAuxInt(c)
  2674  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2675  			v0.AddArg2(a, m)
  2676  			v.AddArg(v0)
  2677  			return true
  2678  		}
  2679  		break
  2680  	}
  2681  	// match: (ADD <t> a p:(SUBconst [c] m:(MULW _ _)))
  2682  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2683  	// result: (SUBconst [c] (ADD <v.Type> a m))
  2684  	for {
  2685  		t := v.Type
  2686  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2687  			a := v_0
  2688  			p := v_1
  2689  			if p.Op != OpARM64SUBconst {
  2690  				continue
  2691  			}
  2692  			c := auxIntToInt64(p.AuxInt)
  2693  			m := p.Args[0]
  2694  			if m.Op != OpARM64MULW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2695  				continue
  2696  			}
  2697  			v.reset(OpARM64SUBconst)
  2698  			v.AuxInt = int64ToAuxInt(c)
  2699  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2700  			v0.AddArg2(a, m)
  2701  			v.AddArg(v0)
  2702  			return true
  2703  		}
  2704  		break
  2705  	}
  2706  	// match: (ADD <t> a p:(SUBconst [c] m:(MNEG _ _)))
  2707  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2708  	// result: (SUBconst [c] (ADD <v.Type> a m))
  2709  	for {
  2710  		t := v.Type
  2711  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2712  			a := v_0
  2713  			p := v_1
  2714  			if p.Op != OpARM64SUBconst {
  2715  				continue
  2716  			}
  2717  			c := auxIntToInt64(p.AuxInt)
  2718  			m := p.Args[0]
  2719  			if m.Op != OpARM64MNEG || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2720  				continue
  2721  			}
  2722  			v.reset(OpARM64SUBconst)
  2723  			v.AuxInt = int64ToAuxInt(c)
  2724  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2725  			v0.AddArg2(a, m)
  2726  			v.AddArg(v0)
  2727  			return true
  2728  		}
  2729  		break
  2730  	}
  2731  	// match: (ADD <t> a p:(SUBconst [c] m:(MNEGW _ _)))
  2732  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
  2733  	// result: (SUBconst [c] (ADD <v.Type> a m))
  2734  	for {
  2735  		t := v.Type
  2736  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2737  			a := v_0
  2738  			p := v_1
  2739  			if p.Op != OpARM64SUBconst {
  2740  				continue
  2741  			}
  2742  			c := auxIntToInt64(p.AuxInt)
  2743  			m := p.Args[0]
  2744  			if m.Op != OpARM64MNEGW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
  2745  				continue
  2746  			}
  2747  			v.reset(OpARM64SUBconst)
  2748  			v.AuxInt = int64ToAuxInt(c)
  2749  			v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
  2750  			v0.AddArg2(a, m)
  2751  			v.AddArg(v0)
  2752  			return true
  2753  		}
  2754  		break
  2755  	}
  2756  	// match: (ADD x (NEG y))
  2757  	// result: (SUB x y)
  2758  	for {
  2759  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2760  			x := v_0
  2761  			if v_1.Op != OpARM64NEG {
  2762  				continue
  2763  			}
  2764  			y := v_1.Args[0]
  2765  			v.reset(OpARM64SUB)
  2766  			v.AddArg2(x, y)
  2767  			return true
  2768  		}
  2769  		break
  2770  	}
  2771  	// match: (ADD x0 x1:(SLLconst [c] y))
  2772  	// cond: clobberIfDead(x1)
  2773  	// result: (ADDshiftLL x0 y [c])
  2774  	for {
  2775  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2776  			x0 := v_0
  2777  			x1 := v_1
  2778  			if x1.Op != OpARM64SLLconst {
  2779  				continue
  2780  			}
  2781  			c := auxIntToInt64(x1.AuxInt)
  2782  			y := x1.Args[0]
  2783  			if !(clobberIfDead(x1)) {
  2784  				continue
  2785  			}
  2786  			v.reset(OpARM64ADDshiftLL)
  2787  			v.AuxInt = int64ToAuxInt(c)
  2788  			v.AddArg2(x0, y)
  2789  			return true
  2790  		}
  2791  		break
  2792  	}
  2793  	// match: (ADD x0 x1:(SRLconst [c] y))
  2794  	// cond: clobberIfDead(x1)
  2795  	// result: (ADDshiftRL x0 y [c])
  2796  	for {
  2797  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2798  			x0 := v_0
  2799  			x1 := v_1
  2800  			if x1.Op != OpARM64SRLconst {
  2801  				continue
  2802  			}
  2803  			c := auxIntToInt64(x1.AuxInt)
  2804  			y := x1.Args[0]
  2805  			if !(clobberIfDead(x1)) {
  2806  				continue
  2807  			}
  2808  			v.reset(OpARM64ADDshiftRL)
  2809  			v.AuxInt = int64ToAuxInt(c)
  2810  			v.AddArg2(x0, y)
  2811  			return true
  2812  		}
  2813  		break
  2814  	}
  2815  	// match: (ADD x0 x1:(SRAconst [c] y))
  2816  	// cond: clobberIfDead(x1)
  2817  	// result: (ADDshiftRA x0 y [c])
  2818  	for {
  2819  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2820  			x0 := v_0
  2821  			x1 := v_1
  2822  			if x1.Op != OpARM64SRAconst {
  2823  				continue
  2824  			}
  2825  			c := auxIntToInt64(x1.AuxInt)
  2826  			y := x1.Args[0]
  2827  			if !(clobberIfDead(x1)) {
  2828  				continue
  2829  			}
  2830  			v.reset(OpARM64ADDshiftRA)
  2831  			v.AuxInt = int64ToAuxInt(c)
  2832  			v.AddArg2(x0, y)
  2833  			return true
  2834  		}
  2835  		break
  2836  	}
  2837  	// match: (ADD x0 x1:(ANDshiftRA x2:(SLLconst [sl] y) z [63]))
  2838  	// cond: x1.Uses == 1 && x2.Uses == 1
  2839  	// result: (ADDshiftLL x0 (ANDshiftRA <y.Type> y z [63]) [sl])
  2840  	for {
  2841  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2842  			x0 := v_0
  2843  			x1 := v_1
  2844  			if x1.Op != OpARM64ANDshiftRA || auxIntToInt64(x1.AuxInt) != 63 {
  2845  				continue
  2846  			}
  2847  			z := x1.Args[1]
  2848  			x2 := x1.Args[0]
  2849  			if x2.Op != OpARM64SLLconst {
  2850  				continue
  2851  			}
  2852  			sl := auxIntToInt64(x2.AuxInt)
  2853  			y := x2.Args[0]
  2854  			if !(x1.Uses == 1 && x2.Uses == 1) {
  2855  				continue
  2856  			}
  2857  			v.reset(OpARM64ADDshiftLL)
  2858  			v.AuxInt = int64ToAuxInt(sl)
  2859  			v0 := b.NewValue0(v.Pos, OpARM64ANDshiftRA, y.Type)
  2860  			v0.AuxInt = int64ToAuxInt(63)
  2861  			v0.AddArg2(y, z)
  2862  			v.AddArg2(x0, v0)
  2863  			return true
  2864  		}
  2865  		break
  2866  	}
  2867  	// match: (ADD x0 x1:(ANDshiftLL x2:(SRAconst [63] z) y [sl]))
  2868  	// cond: x1.Uses == 1 && x2.Uses == 1
  2869  	// result: (ADDshiftLL x0 (ANDshiftRA <y.Type> y z [63]) [sl])
  2870  	for {
  2871  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2872  			x0 := v_0
  2873  			x1 := v_1
  2874  			if x1.Op != OpARM64ANDshiftLL {
  2875  				continue
  2876  			}
  2877  			sl := auxIntToInt64(x1.AuxInt)
  2878  			y := x1.Args[1]
  2879  			x2 := x1.Args[0]
  2880  			if x2.Op != OpARM64SRAconst || auxIntToInt64(x2.AuxInt) != 63 {
  2881  				continue
  2882  			}
  2883  			z := x2.Args[0]
  2884  			if !(x1.Uses == 1 && x2.Uses == 1) {
  2885  				continue
  2886  			}
  2887  			v.reset(OpARM64ADDshiftLL)
  2888  			v.AuxInt = int64ToAuxInt(sl)
  2889  			v0 := b.NewValue0(v.Pos, OpARM64ANDshiftRA, y.Type)
  2890  			v0.AuxInt = int64ToAuxInt(63)
  2891  			v0.AddArg2(y, z)
  2892  			v.AddArg2(x0, v0)
  2893  			return true
  2894  		}
  2895  		break
  2896  	}
  2897  	return false
  2898  }
  2899  func rewriteValueARM64_OpARM64ADDSflags(v *Value) bool {
  2900  	v_1 := v.Args[1]
  2901  	v_0 := v.Args[0]
  2902  	// match: (ADDSflags x (MOVDconst [c]))
  2903  	// result: (ADDSconstflags [c] x)
  2904  	for {
  2905  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2906  			x := v_0
  2907  			if v_1.Op != OpARM64MOVDconst {
  2908  				continue
  2909  			}
  2910  			c := auxIntToInt64(v_1.AuxInt)
  2911  			v.reset(OpARM64ADDSconstflags)
  2912  			v.AuxInt = int64ToAuxInt(c)
  2913  			v.AddArg(x)
  2914  			return true
  2915  		}
  2916  		break
  2917  	}
  2918  	return false
  2919  }
  2920  func rewriteValueARM64_OpARM64ADDconst(v *Value) bool {
  2921  	v_0 := v.Args[0]
  2922  	// match: (ADDconst [off1] (MOVDaddr [off2] {sym} ptr))
  2923  	// cond: is32Bit(off1+int64(off2))
  2924  	// result: (MOVDaddr [int32(off1)+off2] {sym} ptr)
  2925  	for {
  2926  		off1 := auxIntToInt64(v.AuxInt)
  2927  		if v_0.Op != OpARM64MOVDaddr {
  2928  			break
  2929  		}
  2930  		off2 := auxIntToInt32(v_0.AuxInt)
  2931  		sym := auxToSym(v_0.Aux)
  2932  		ptr := v_0.Args[0]
  2933  		if !(is32Bit(off1 + int64(off2))) {
  2934  			break
  2935  		}
  2936  		v.reset(OpARM64MOVDaddr)
  2937  		v.AuxInt = int32ToAuxInt(int32(off1) + off2)
  2938  		v.Aux = symToAux(sym)
  2939  		v.AddArg(ptr)
  2940  		return true
  2941  	}
  2942  	// match: (ADDconst [c] y)
  2943  	// cond: c < 0
  2944  	// result: (SUBconst [-c] y)
  2945  	for {
  2946  		c := auxIntToInt64(v.AuxInt)
  2947  		y := v_0
  2948  		if !(c < 0) {
  2949  			break
  2950  		}
  2951  		v.reset(OpARM64SUBconst)
  2952  		v.AuxInt = int64ToAuxInt(-c)
  2953  		v.AddArg(y)
  2954  		return true
  2955  	}
  2956  	// match: (ADDconst [0] x)
  2957  	// result: x
  2958  	for {
  2959  		if auxIntToInt64(v.AuxInt) != 0 {
  2960  			break
  2961  		}
  2962  		x := v_0
  2963  		v.copyOf(x)
  2964  		return true
  2965  	}
  2966  	// match: (ADDconst [c] (MOVDconst [d]))
  2967  	// result: (MOVDconst [c+d])
  2968  	for {
  2969  		c := auxIntToInt64(v.AuxInt)
  2970  		if v_0.Op != OpARM64MOVDconst {
  2971  			break
  2972  		}
  2973  		d := auxIntToInt64(v_0.AuxInt)
  2974  		v.reset(OpARM64MOVDconst)
  2975  		v.AuxInt = int64ToAuxInt(c + d)
  2976  		return true
  2977  	}
  2978  	// match: (ADDconst [c] (ADDconst [d] x))
  2979  	// result: (ADDconst [c+d] x)
  2980  	for {
  2981  		c := auxIntToInt64(v.AuxInt)
  2982  		if v_0.Op != OpARM64ADDconst {
  2983  			break
  2984  		}
  2985  		d := auxIntToInt64(v_0.AuxInt)
  2986  		x := v_0.Args[0]
  2987  		v.reset(OpARM64ADDconst)
  2988  		v.AuxInt = int64ToAuxInt(c + d)
  2989  		v.AddArg(x)
  2990  		return true
  2991  	}
  2992  	// match: (ADDconst [c] (SUBconst [d] x))
  2993  	// result: (ADDconst [c-d] x)
  2994  	for {
  2995  		c := auxIntToInt64(v.AuxInt)
  2996  		if v_0.Op != OpARM64SUBconst {
  2997  			break
  2998  		}
  2999  		d := auxIntToInt64(v_0.AuxInt)
  3000  		x := v_0.Args[0]
  3001  		v.reset(OpARM64ADDconst)
  3002  		v.AuxInt = int64ToAuxInt(c - d)
  3003  		v.AddArg(x)
  3004  		return true
  3005  	}
  3006  	return false
  3007  }
  3008  func rewriteValueARM64_OpARM64ADDshiftLL(v *Value) bool {
  3009  	v_1 := v.Args[1]
  3010  	v_0 := v.Args[0]
  3011  	b := v.Block
  3012  	typ := &b.Func.Config.Types
  3013  	// match: (ADDshiftLL (MOVDconst [c]) x [d])
  3014  	// result: (ADDconst [c] (SLLconst <x.Type> x [d]))
  3015  	for {
  3016  		d := auxIntToInt64(v.AuxInt)
  3017  		if v_0.Op != OpARM64MOVDconst {
  3018  			break
  3019  		}
  3020  		c := auxIntToInt64(v_0.AuxInt)
  3021  		x := v_1
  3022  		v.reset(OpARM64ADDconst)
  3023  		v.AuxInt = int64ToAuxInt(c)
  3024  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  3025  		v0.AuxInt = int64ToAuxInt(d)
  3026  		v0.AddArg(x)
  3027  		v.AddArg(v0)
  3028  		return true
  3029  	}
  3030  	// match: (ADDshiftLL x (MOVDconst [c]) [d])
  3031  	// result: (ADDconst x [int64(uint64(c)<<uint64(d))])
  3032  	for {
  3033  		d := auxIntToInt64(v.AuxInt)
  3034  		x := v_0
  3035  		if v_1.Op != OpARM64MOVDconst {
  3036  			break
  3037  		}
  3038  		c := auxIntToInt64(v_1.AuxInt)
  3039  		v.reset(OpARM64ADDconst)
  3040  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  3041  		v.AddArg(x)
  3042  		return true
  3043  	}
  3044  	// match: (ADDshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
  3045  	// result: (REV16W x)
  3046  	for {
  3047  		if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) {
  3048  			break
  3049  		}
  3050  		x := v_0.Args[0]
  3051  		if x != v_1 {
  3052  			break
  3053  		}
  3054  		v.reset(OpARM64REV16W)
  3055  		v.AddArg(x)
  3056  		return true
  3057  	}
  3058  	// match: (ADDshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
  3059  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
  3060  	// result: (REV16W x)
  3061  	for {
  3062  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
  3063  			break
  3064  		}
  3065  		v_0_0 := v_0.Args[0]
  3066  		if v_0_0.Op != OpARM64ANDconst {
  3067  			break
  3068  		}
  3069  		c1 := auxIntToInt64(v_0_0.AuxInt)
  3070  		x := v_0_0.Args[0]
  3071  		if v_1.Op != OpARM64ANDconst {
  3072  			break
  3073  		}
  3074  		c2 := auxIntToInt64(v_1.AuxInt)
  3075  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
  3076  			break
  3077  		}
  3078  		v.reset(OpARM64REV16W)
  3079  		v.AddArg(x)
  3080  		return true
  3081  	}
  3082  	// match: (ADDshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
  3083  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
  3084  	// result: (REV16 x)
  3085  	for {
  3086  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
  3087  			break
  3088  		}
  3089  		v_0_0 := v_0.Args[0]
  3090  		if v_0_0.Op != OpARM64ANDconst {
  3091  			break
  3092  		}
  3093  		c1 := auxIntToInt64(v_0_0.AuxInt)
  3094  		x := v_0_0.Args[0]
  3095  		if v_1.Op != OpARM64ANDconst {
  3096  			break
  3097  		}
  3098  		c2 := auxIntToInt64(v_1.AuxInt)
  3099  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
  3100  			break
  3101  		}
  3102  		v.reset(OpARM64REV16)
  3103  		v.AddArg(x)
  3104  		return true
  3105  	}
  3106  	// match: (ADDshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
  3107  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
  3108  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
  3109  	for {
  3110  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
  3111  			break
  3112  		}
  3113  		v_0_0 := v_0.Args[0]
  3114  		if v_0_0.Op != OpARM64ANDconst {
  3115  			break
  3116  		}
  3117  		c1 := auxIntToInt64(v_0_0.AuxInt)
  3118  		x := v_0_0.Args[0]
  3119  		if v_1.Op != OpARM64ANDconst {
  3120  			break
  3121  		}
  3122  		c2 := auxIntToInt64(v_1.AuxInt)
  3123  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
  3124  			break
  3125  		}
  3126  		v.reset(OpARM64REV16)
  3127  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
  3128  		v0.AuxInt = int64ToAuxInt(0xffffffff)
  3129  		v0.AddArg(x)
  3130  		v.AddArg(v0)
  3131  		return true
  3132  	}
  3133  	// match: (ADDshiftLL [c] (SRLconst x [64-c]) x2)
  3134  	// result: (EXTRconst [64-c] x2 x)
  3135  	for {
  3136  		c := auxIntToInt64(v.AuxInt)
  3137  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
  3138  			break
  3139  		}
  3140  		x := v_0.Args[0]
  3141  		x2 := v_1
  3142  		v.reset(OpARM64EXTRconst)
  3143  		v.AuxInt = int64ToAuxInt(64 - c)
  3144  		v.AddArg2(x2, x)
  3145  		return true
  3146  	}
  3147  	// match: (ADDshiftLL <t> [c] (UBFX [bfc] x) x2)
  3148  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
  3149  	// result: (EXTRWconst [32-c] x2 x)
  3150  	for {
  3151  		t := v.Type
  3152  		c := auxIntToInt64(v.AuxInt)
  3153  		if v_0.Op != OpARM64UBFX {
  3154  			break
  3155  		}
  3156  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  3157  		x := v_0.Args[0]
  3158  		x2 := v_1
  3159  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
  3160  			break
  3161  		}
  3162  		v.reset(OpARM64EXTRWconst)
  3163  		v.AuxInt = int64ToAuxInt(32 - c)
  3164  		v.AddArg2(x2, x)
  3165  		return true
  3166  	}
  3167  	return false
  3168  }
  3169  func rewriteValueARM64_OpARM64ADDshiftRA(v *Value) bool {
  3170  	v_1 := v.Args[1]
  3171  	v_0 := v.Args[0]
  3172  	b := v.Block
  3173  	// match: (ADDshiftRA (MOVDconst [c]) x [d])
  3174  	// result: (ADDconst [c] (SRAconst <x.Type> x [d]))
  3175  	for {
  3176  		d := auxIntToInt64(v.AuxInt)
  3177  		if v_0.Op != OpARM64MOVDconst {
  3178  			break
  3179  		}
  3180  		c := auxIntToInt64(v_0.AuxInt)
  3181  		x := v_1
  3182  		v.reset(OpARM64ADDconst)
  3183  		v.AuxInt = int64ToAuxInt(c)
  3184  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  3185  		v0.AuxInt = int64ToAuxInt(d)
  3186  		v0.AddArg(x)
  3187  		v.AddArg(v0)
  3188  		return true
  3189  	}
  3190  	// match: (ADDshiftRA x (MOVDconst [c]) [d])
  3191  	// result: (ADDconst x [c>>uint64(d)])
  3192  	for {
  3193  		d := auxIntToInt64(v.AuxInt)
  3194  		x := v_0
  3195  		if v_1.Op != OpARM64MOVDconst {
  3196  			break
  3197  		}
  3198  		c := auxIntToInt64(v_1.AuxInt)
  3199  		v.reset(OpARM64ADDconst)
  3200  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  3201  		v.AddArg(x)
  3202  		return true
  3203  	}
  3204  	return false
  3205  }
  3206  func rewriteValueARM64_OpARM64ADDshiftRL(v *Value) bool {
  3207  	v_1 := v.Args[1]
  3208  	v_0 := v.Args[0]
  3209  	b := v.Block
  3210  	// match: (ADDshiftRL (MOVDconst [c]) x [d])
  3211  	// result: (ADDconst [c] (SRLconst <x.Type> x [d]))
  3212  	for {
  3213  		d := auxIntToInt64(v.AuxInt)
  3214  		if v_0.Op != OpARM64MOVDconst {
  3215  			break
  3216  		}
  3217  		c := auxIntToInt64(v_0.AuxInt)
  3218  		x := v_1
  3219  		v.reset(OpARM64ADDconst)
  3220  		v.AuxInt = int64ToAuxInt(c)
  3221  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  3222  		v0.AuxInt = int64ToAuxInt(d)
  3223  		v0.AddArg(x)
  3224  		v.AddArg(v0)
  3225  		return true
  3226  	}
  3227  	// match: (ADDshiftRL x (MOVDconst [c]) [d])
  3228  	// result: (ADDconst x [int64(uint64(c)>>uint64(d))])
  3229  	for {
  3230  		d := auxIntToInt64(v.AuxInt)
  3231  		x := v_0
  3232  		if v_1.Op != OpARM64MOVDconst {
  3233  			break
  3234  		}
  3235  		c := auxIntToInt64(v_1.AuxInt)
  3236  		v.reset(OpARM64ADDconst)
  3237  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  3238  		v.AddArg(x)
  3239  		return true
  3240  	}
  3241  	return false
  3242  }
  3243  func rewriteValueARM64_OpARM64AND(v *Value) bool {
  3244  	v_1 := v.Args[1]
  3245  	v_0 := v.Args[0]
  3246  	// match: (AND x (MOVDconst [c]))
  3247  	// result: (ANDconst [c] x)
  3248  	for {
  3249  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3250  			x := v_0
  3251  			if v_1.Op != OpARM64MOVDconst {
  3252  				continue
  3253  			}
  3254  			c := auxIntToInt64(v_1.AuxInt)
  3255  			v.reset(OpARM64ANDconst)
  3256  			v.AuxInt = int64ToAuxInt(c)
  3257  			v.AddArg(x)
  3258  			return true
  3259  		}
  3260  		break
  3261  	}
  3262  	// match: (AND x x)
  3263  	// result: x
  3264  	for {
  3265  		x := v_0
  3266  		if x != v_1 {
  3267  			break
  3268  		}
  3269  		v.copyOf(x)
  3270  		return true
  3271  	}
  3272  	// match: (AND x (MVN y))
  3273  	// result: (BIC x y)
  3274  	for {
  3275  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3276  			x := v_0
  3277  			if v_1.Op != OpARM64MVN {
  3278  				continue
  3279  			}
  3280  			y := v_1.Args[0]
  3281  			v.reset(OpARM64BIC)
  3282  			v.AddArg2(x, y)
  3283  			return true
  3284  		}
  3285  		break
  3286  	}
  3287  	// match: (AND x0 x1:(SLLconst [c] y))
  3288  	// cond: clobberIfDead(x1)
  3289  	// result: (ANDshiftLL x0 y [c])
  3290  	for {
  3291  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3292  			x0 := v_0
  3293  			x1 := v_1
  3294  			if x1.Op != OpARM64SLLconst {
  3295  				continue
  3296  			}
  3297  			c := auxIntToInt64(x1.AuxInt)
  3298  			y := x1.Args[0]
  3299  			if !(clobberIfDead(x1)) {
  3300  				continue
  3301  			}
  3302  			v.reset(OpARM64ANDshiftLL)
  3303  			v.AuxInt = int64ToAuxInt(c)
  3304  			v.AddArg2(x0, y)
  3305  			return true
  3306  		}
  3307  		break
  3308  	}
  3309  	// match: (AND x0 x1:(SRLconst [c] y))
  3310  	// cond: clobberIfDead(x1)
  3311  	// result: (ANDshiftRL x0 y [c])
  3312  	for {
  3313  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3314  			x0 := v_0
  3315  			x1 := v_1
  3316  			if x1.Op != OpARM64SRLconst {
  3317  				continue
  3318  			}
  3319  			c := auxIntToInt64(x1.AuxInt)
  3320  			y := x1.Args[0]
  3321  			if !(clobberIfDead(x1)) {
  3322  				continue
  3323  			}
  3324  			v.reset(OpARM64ANDshiftRL)
  3325  			v.AuxInt = int64ToAuxInt(c)
  3326  			v.AddArg2(x0, y)
  3327  			return true
  3328  		}
  3329  		break
  3330  	}
  3331  	// match: (AND x0 x1:(SRAconst [c] y))
  3332  	// cond: clobberIfDead(x1)
  3333  	// result: (ANDshiftRA x0 y [c])
  3334  	for {
  3335  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3336  			x0 := v_0
  3337  			x1 := v_1
  3338  			if x1.Op != OpARM64SRAconst {
  3339  				continue
  3340  			}
  3341  			c := auxIntToInt64(x1.AuxInt)
  3342  			y := x1.Args[0]
  3343  			if !(clobberIfDead(x1)) {
  3344  				continue
  3345  			}
  3346  			v.reset(OpARM64ANDshiftRA)
  3347  			v.AuxInt = int64ToAuxInt(c)
  3348  			v.AddArg2(x0, y)
  3349  			return true
  3350  		}
  3351  		break
  3352  	}
  3353  	// match: (AND x0 x1:(RORconst [c] y))
  3354  	// cond: clobberIfDead(x1)
  3355  	// result: (ANDshiftRO x0 y [c])
  3356  	for {
  3357  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3358  			x0 := v_0
  3359  			x1 := v_1
  3360  			if x1.Op != OpARM64RORconst {
  3361  				continue
  3362  			}
  3363  			c := auxIntToInt64(x1.AuxInt)
  3364  			y := x1.Args[0]
  3365  			if !(clobberIfDead(x1)) {
  3366  				continue
  3367  			}
  3368  			v.reset(OpARM64ANDshiftRO)
  3369  			v.AuxInt = int64ToAuxInt(c)
  3370  			v.AddArg2(x0, y)
  3371  			return true
  3372  		}
  3373  		break
  3374  	}
  3375  	return false
  3376  }
  3377  func rewriteValueARM64_OpARM64ANDconst(v *Value) bool {
  3378  	v_0 := v.Args[0]
  3379  	// match: (ANDconst [0] _)
  3380  	// result: (MOVDconst [0])
  3381  	for {
  3382  		if auxIntToInt64(v.AuxInt) != 0 {
  3383  			break
  3384  		}
  3385  		v.reset(OpARM64MOVDconst)
  3386  		v.AuxInt = int64ToAuxInt(0)
  3387  		return true
  3388  	}
  3389  	// match: (ANDconst [-1] x)
  3390  	// result: x
  3391  	for {
  3392  		if auxIntToInt64(v.AuxInt) != -1 {
  3393  			break
  3394  		}
  3395  		x := v_0
  3396  		v.copyOf(x)
  3397  		return true
  3398  	}
  3399  	// match: (ANDconst [c] (MOVDconst [d]))
  3400  	// result: (MOVDconst [c&d])
  3401  	for {
  3402  		c := auxIntToInt64(v.AuxInt)
  3403  		if v_0.Op != OpARM64MOVDconst {
  3404  			break
  3405  		}
  3406  		d := auxIntToInt64(v_0.AuxInt)
  3407  		v.reset(OpARM64MOVDconst)
  3408  		v.AuxInt = int64ToAuxInt(c & d)
  3409  		return true
  3410  	}
  3411  	// match: (ANDconst [c] (ANDconst [d] x))
  3412  	// result: (ANDconst [c&d] x)
  3413  	for {
  3414  		c := auxIntToInt64(v.AuxInt)
  3415  		if v_0.Op != OpARM64ANDconst {
  3416  			break
  3417  		}
  3418  		d := auxIntToInt64(v_0.AuxInt)
  3419  		x := v_0.Args[0]
  3420  		v.reset(OpARM64ANDconst)
  3421  		v.AuxInt = int64ToAuxInt(c & d)
  3422  		v.AddArg(x)
  3423  		return true
  3424  	}
  3425  	// match: (ANDconst [c] (MOVWUreg x))
  3426  	// result: (ANDconst [c&(1<<32-1)] x)
  3427  	for {
  3428  		c := auxIntToInt64(v.AuxInt)
  3429  		if v_0.Op != OpARM64MOVWUreg {
  3430  			break
  3431  		}
  3432  		x := v_0.Args[0]
  3433  		v.reset(OpARM64ANDconst)
  3434  		v.AuxInt = int64ToAuxInt(c & (1<<32 - 1))
  3435  		v.AddArg(x)
  3436  		return true
  3437  	}
  3438  	// match: (ANDconst [c] (MOVHUreg x))
  3439  	// result: (ANDconst [c&(1<<16-1)] x)
  3440  	for {
  3441  		c := auxIntToInt64(v.AuxInt)
  3442  		if v_0.Op != OpARM64MOVHUreg {
  3443  			break
  3444  		}
  3445  		x := v_0.Args[0]
  3446  		v.reset(OpARM64ANDconst)
  3447  		v.AuxInt = int64ToAuxInt(c & (1<<16 - 1))
  3448  		v.AddArg(x)
  3449  		return true
  3450  	}
  3451  	// match: (ANDconst [c] (MOVBUreg x))
  3452  	// result: (ANDconst [c&(1<<8-1)] x)
  3453  	for {
  3454  		c := auxIntToInt64(v.AuxInt)
  3455  		if v_0.Op != OpARM64MOVBUreg {
  3456  			break
  3457  		}
  3458  		x := v_0.Args[0]
  3459  		v.reset(OpARM64ANDconst)
  3460  		v.AuxInt = int64ToAuxInt(c & (1<<8 - 1))
  3461  		v.AddArg(x)
  3462  		return true
  3463  	}
  3464  	// match: (ANDconst [ac] (SLLconst [sc] x))
  3465  	// cond: isARM64BFMask(sc, ac, sc)
  3466  	// result: (UBFIZ [armBFAuxInt(sc, arm64BFWidth(ac, sc))] x)
  3467  	for {
  3468  		ac := auxIntToInt64(v.AuxInt)
  3469  		if v_0.Op != OpARM64SLLconst {
  3470  			break
  3471  		}
  3472  		sc := auxIntToInt64(v_0.AuxInt)
  3473  		x := v_0.Args[0]
  3474  		if !(isARM64BFMask(sc, ac, sc)) {
  3475  			break
  3476  		}
  3477  		v.reset(OpARM64UBFIZ)
  3478  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, sc)))
  3479  		v.AddArg(x)
  3480  		return true
  3481  	}
  3482  	// match: (ANDconst [ac] (SRLconst [sc] x))
  3483  	// cond: isARM64BFMask(sc, ac, 0)
  3484  	// result: (UBFX [armBFAuxInt(sc, arm64BFWidth(ac, 0))] x)
  3485  	for {
  3486  		ac := auxIntToInt64(v.AuxInt)
  3487  		if v_0.Op != OpARM64SRLconst {
  3488  			break
  3489  		}
  3490  		sc := auxIntToInt64(v_0.AuxInt)
  3491  		x := v_0.Args[0]
  3492  		if !(isARM64BFMask(sc, ac, 0)) {
  3493  			break
  3494  		}
  3495  		v.reset(OpARM64UBFX)
  3496  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, 0)))
  3497  		v.AddArg(x)
  3498  		return true
  3499  	}
  3500  	// match: (ANDconst [c] (UBFX [bfc] x))
  3501  	// cond: isARM64BFMask(0, c, 0)
  3502  	// result: (UBFX [armBFAuxInt(bfc.lsb(), min(bfc.width(), arm64BFWidth(c, 0)))] x)
  3503  	for {
  3504  		c := auxIntToInt64(v.AuxInt)
  3505  		if v_0.Op != OpARM64UBFX {
  3506  			break
  3507  		}
  3508  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  3509  		x := v_0.Args[0]
  3510  		if !(isARM64BFMask(0, c, 0)) {
  3511  			break
  3512  		}
  3513  		v.reset(OpARM64UBFX)
  3514  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb(), min(bfc.width(), arm64BFWidth(c, 0))))
  3515  		v.AddArg(x)
  3516  		return true
  3517  	}
  3518  	// match: (ANDconst [0xffffffff] x)
  3519  	// result: (MOVWUreg x)
  3520  	for {
  3521  		if auxIntToInt64(v.AuxInt) != 0xffffffff {
  3522  			break
  3523  		}
  3524  		x := v_0
  3525  		v.reset(OpARM64MOVWUreg)
  3526  		v.AddArg(x)
  3527  		return true
  3528  	}
  3529  	// match: (ANDconst [0xffff ] x)
  3530  	// result: (MOVHUreg x)
  3531  	for {
  3532  		if auxIntToInt64(v.AuxInt) != 0xffff {
  3533  			break
  3534  		}
  3535  		x := v_0
  3536  		v.reset(OpARM64MOVHUreg)
  3537  		v.AddArg(x)
  3538  		return true
  3539  	}
  3540  	// match: (ANDconst [0xff ] x)
  3541  	// result: (MOVBUreg x)
  3542  	for {
  3543  		if auxIntToInt64(v.AuxInt) != 0xff {
  3544  			break
  3545  		}
  3546  		x := v_0
  3547  		v.reset(OpARM64MOVBUreg)
  3548  		v.AddArg(x)
  3549  		return true
  3550  	}
  3551  	return false
  3552  }
  3553  func rewriteValueARM64_OpARM64ANDshiftLL(v *Value) bool {
  3554  	v_1 := v.Args[1]
  3555  	v_0 := v.Args[0]
  3556  	b := v.Block
  3557  	// match: (ANDshiftLL (MOVDconst [c]) x [d])
  3558  	// result: (ANDconst [c] (SLLconst <x.Type> x [d]))
  3559  	for {
  3560  		d := auxIntToInt64(v.AuxInt)
  3561  		if v_0.Op != OpARM64MOVDconst {
  3562  			break
  3563  		}
  3564  		c := auxIntToInt64(v_0.AuxInt)
  3565  		x := v_1
  3566  		v.reset(OpARM64ANDconst)
  3567  		v.AuxInt = int64ToAuxInt(c)
  3568  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  3569  		v0.AuxInt = int64ToAuxInt(d)
  3570  		v0.AddArg(x)
  3571  		v.AddArg(v0)
  3572  		return true
  3573  	}
  3574  	// match: (ANDshiftLL x (MOVDconst [c]) [d])
  3575  	// result: (ANDconst x [int64(uint64(c)<<uint64(d))])
  3576  	for {
  3577  		d := auxIntToInt64(v.AuxInt)
  3578  		x := v_0
  3579  		if v_1.Op != OpARM64MOVDconst {
  3580  			break
  3581  		}
  3582  		c := auxIntToInt64(v_1.AuxInt)
  3583  		v.reset(OpARM64ANDconst)
  3584  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  3585  		v.AddArg(x)
  3586  		return true
  3587  	}
  3588  	// match: (ANDshiftLL y:(SLLconst x [c]) x [c])
  3589  	// result: y
  3590  	for {
  3591  		c := auxIntToInt64(v.AuxInt)
  3592  		y := v_0
  3593  		if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c {
  3594  			break
  3595  		}
  3596  		x := y.Args[0]
  3597  		if x != v_1 {
  3598  			break
  3599  		}
  3600  		v.copyOf(y)
  3601  		return true
  3602  	}
  3603  	return false
  3604  }
  3605  func rewriteValueARM64_OpARM64ANDshiftRA(v *Value) bool {
  3606  	v_1 := v.Args[1]
  3607  	v_0 := v.Args[0]
  3608  	b := v.Block
  3609  	// match: (ANDshiftRA (MOVDconst [c]) x [d])
  3610  	// result: (ANDconst [c] (SRAconst <x.Type> x [d]))
  3611  	for {
  3612  		d := auxIntToInt64(v.AuxInt)
  3613  		if v_0.Op != OpARM64MOVDconst {
  3614  			break
  3615  		}
  3616  		c := auxIntToInt64(v_0.AuxInt)
  3617  		x := v_1
  3618  		v.reset(OpARM64ANDconst)
  3619  		v.AuxInt = int64ToAuxInt(c)
  3620  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  3621  		v0.AuxInt = int64ToAuxInt(d)
  3622  		v0.AddArg(x)
  3623  		v.AddArg(v0)
  3624  		return true
  3625  	}
  3626  	// match: (ANDshiftRA x (MOVDconst [c]) [d])
  3627  	// result: (ANDconst x [c>>uint64(d)])
  3628  	for {
  3629  		d := auxIntToInt64(v.AuxInt)
  3630  		x := v_0
  3631  		if v_1.Op != OpARM64MOVDconst {
  3632  			break
  3633  		}
  3634  		c := auxIntToInt64(v_1.AuxInt)
  3635  		v.reset(OpARM64ANDconst)
  3636  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  3637  		v.AddArg(x)
  3638  		return true
  3639  	}
  3640  	// match: (ANDshiftRA y:(SRAconst x [c]) x [c])
  3641  	// result: y
  3642  	for {
  3643  		c := auxIntToInt64(v.AuxInt)
  3644  		y := v_0
  3645  		if y.Op != OpARM64SRAconst || auxIntToInt64(y.AuxInt) != c {
  3646  			break
  3647  		}
  3648  		x := y.Args[0]
  3649  		if x != v_1 {
  3650  			break
  3651  		}
  3652  		v.copyOf(y)
  3653  		return true
  3654  	}
  3655  	return false
  3656  }
  3657  func rewriteValueARM64_OpARM64ANDshiftRL(v *Value) bool {
  3658  	v_1 := v.Args[1]
  3659  	v_0 := v.Args[0]
  3660  	b := v.Block
  3661  	// match: (ANDshiftRL (MOVDconst [c]) x [d])
  3662  	// result: (ANDconst [c] (SRLconst <x.Type> x [d]))
  3663  	for {
  3664  		d := auxIntToInt64(v.AuxInt)
  3665  		if v_0.Op != OpARM64MOVDconst {
  3666  			break
  3667  		}
  3668  		c := auxIntToInt64(v_0.AuxInt)
  3669  		x := v_1
  3670  		v.reset(OpARM64ANDconst)
  3671  		v.AuxInt = int64ToAuxInt(c)
  3672  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  3673  		v0.AuxInt = int64ToAuxInt(d)
  3674  		v0.AddArg(x)
  3675  		v.AddArg(v0)
  3676  		return true
  3677  	}
  3678  	// match: (ANDshiftRL x (MOVDconst [c]) [d])
  3679  	// result: (ANDconst x [int64(uint64(c)>>uint64(d))])
  3680  	for {
  3681  		d := auxIntToInt64(v.AuxInt)
  3682  		x := v_0
  3683  		if v_1.Op != OpARM64MOVDconst {
  3684  			break
  3685  		}
  3686  		c := auxIntToInt64(v_1.AuxInt)
  3687  		v.reset(OpARM64ANDconst)
  3688  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  3689  		v.AddArg(x)
  3690  		return true
  3691  	}
  3692  	// match: (ANDshiftRL y:(SRLconst x [c]) x [c])
  3693  	// result: y
  3694  	for {
  3695  		c := auxIntToInt64(v.AuxInt)
  3696  		y := v_0
  3697  		if y.Op != OpARM64SRLconst || auxIntToInt64(y.AuxInt) != c {
  3698  			break
  3699  		}
  3700  		x := y.Args[0]
  3701  		if x != v_1 {
  3702  			break
  3703  		}
  3704  		v.copyOf(y)
  3705  		return true
  3706  	}
  3707  	return false
  3708  }
  3709  func rewriteValueARM64_OpARM64ANDshiftRO(v *Value) bool {
  3710  	v_1 := v.Args[1]
  3711  	v_0 := v.Args[0]
  3712  	b := v.Block
  3713  	// match: (ANDshiftRO (MOVDconst [c]) x [d])
  3714  	// result: (ANDconst [c] (RORconst <x.Type> x [d]))
  3715  	for {
  3716  		d := auxIntToInt64(v.AuxInt)
  3717  		if v_0.Op != OpARM64MOVDconst {
  3718  			break
  3719  		}
  3720  		c := auxIntToInt64(v_0.AuxInt)
  3721  		x := v_1
  3722  		v.reset(OpARM64ANDconst)
  3723  		v.AuxInt = int64ToAuxInt(c)
  3724  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
  3725  		v0.AuxInt = int64ToAuxInt(d)
  3726  		v0.AddArg(x)
  3727  		v.AddArg(v0)
  3728  		return true
  3729  	}
  3730  	// match: (ANDshiftRO x (MOVDconst [c]) [d])
  3731  	// result: (ANDconst x [rotateRight64(c, d)])
  3732  	for {
  3733  		d := auxIntToInt64(v.AuxInt)
  3734  		x := v_0
  3735  		if v_1.Op != OpARM64MOVDconst {
  3736  			break
  3737  		}
  3738  		c := auxIntToInt64(v_1.AuxInt)
  3739  		v.reset(OpARM64ANDconst)
  3740  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
  3741  		v.AddArg(x)
  3742  		return true
  3743  	}
  3744  	// match: (ANDshiftRO y:(RORconst x [c]) x [c])
  3745  	// result: y
  3746  	for {
  3747  		c := auxIntToInt64(v.AuxInt)
  3748  		y := v_0
  3749  		if y.Op != OpARM64RORconst || auxIntToInt64(y.AuxInt) != c {
  3750  			break
  3751  		}
  3752  		x := y.Args[0]
  3753  		if x != v_1 {
  3754  			break
  3755  		}
  3756  		v.copyOf(y)
  3757  		return true
  3758  	}
  3759  	return false
  3760  }
  3761  func rewriteValueARM64_OpARM64BIC(v *Value) bool {
  3762  	v_1 := v.Args[1]
  3763  	v_0 := v.Args[0]
  3764  	// match: (BIC x (MOVDconst [c]))
  3765  	// result: (ANDconst [^c] x)
  3766  	for {
  3767  		x := v_0
  3768  		if v_1.Op != OpARM64MOVDconst {
  3769  			break
  3770  		}
  3771  		c := auxIntToInt64(v_1.AuxInt)
  3772  		v.reset(OpARM64ANDconst)
  3773  		v.AuxInt = int64ToAuxInt(^c)
  3774  		v.AddArg(x)
  3775  		return true
  3776  	}
  3777  	// match: (BIC x x)
  3778  	// result: (MOVDconst [0])
  3779  	for {
  3780  		x := v_0
  3781  		if x != v_1 {
  3782  			break
  3783  		}
  3784  		v.reset(OpARM64MOVDconst)
  3785  		v.AuxInt = int64ToAuxInt(0)
  3786  		return true
  3787  	}
  3788  	// match: (BIC x0 x1:(SLLconst [c] y))
  3789  	// cond: clobberIfDead(x1)
  3790  	// result: (BICshiftLL x0 y [c])
  3791  	for {
  3792  		x0 := v_0
  3793  		x1 := v_1
  3794  		if x1.Op != OpARM64SLLconst {
  3795  			break
  3796  		}
  3797  		c := auxIntToInt64(x1.AuxInt)
  3798  		y := x1.Args[0]
  3799  		if !(clobberIfDead(x1)) {
  3800  			break
  3801  		}
  3802  		v.reset(OpARM64BICshiftLL)
  3803  		v.AuxInt = int64ToAuxInt(c)
  3804  		v.AddArg2(x0, y)
  3805  		return true
  3806  	}
  3807  	// match: (BIC x0 x1:(SRLconst [c] y))
  3808  	// cond: clobberIfDead(x1)
  3809  	// result: (BICshiftRL x0 y [c])
  3810  	for {
  3811  		x0 := v_0
  3812  		x1 := v_1
  3813  		if x1.Op != OpARM64SRLconst {
  3814  			break
  3815  		}
  3816  		c := auxIntToInt64(x1.AuxInt)
  3817  		y := x1.Args[0]
  3818  		if !(clobberIfDead(x1)) {
  3819  			break
  3820  		}
  3821  		v.reset(OpARM64BICshiftRL)
  3822  		v.AuxInt = int64ToAuxInt(c)
  3823  		v.AddArg2(x0, y)
  3824  		return true
  3825  	}
  3826  	// match: (BIC x0 x1:(SRAconst [c] y))
  3827  	// cond: clobberIfDead(x1)
  3828  	// result: (BICshiftRA x0 y [c])
  3829  	for {
  3830  		x0 := v_0
  3831  		x1 := v_1
  3832  		if x1.Op != OpARM64SRAconst {
  3833  			break
  3834  		}
  3835  		c := auxIntToInt64(x1.AuxInt)
  3836  		y := x1.Args[0]
  3837  		if !(clobberIfDead(x1)) {
  3838  			break
  3839  		}
  3840  		v.reset(OpARM64BICshiftRA)
  3841  		v.AuxInt = int64ToAuxInt(c)
  3842  		v.AddArg2(x0, y)
  3843  		return true
  3844  	}
  3845  	// match: (BIC x0 x1:(RORconst [c] y))
  3846  	// cond: clobberIfDead(x1)
  3847  	// result: (BICshiftRO x0 y [c])
  3848  	for {
  3849  		x0 := v_0
  3850  		x1 := v_1
  3851  		if x1.Op != OpARM64RORconst {
  3852  			break
  3853  		}
  3854  		c := auxIntToInt64(x1.AuxInt)
  3855  		y := x1.Args[0]
  3856  		if !(clobberIfDead(x1)) {
  3857  			break
  3858  		}
  3859  		v.reset(OpARM64BICshiftRO)
  3860  		v.AuxInt = int64ToAuxInt(c)
  3861  		v.AddArg2(x0, y)
  3862  		return true
  3863  	}
  3864  	return false
  3865  }
  3866  func rewriteValueARM64_OpARM64BICshiftLL(v *Value) bool {
  3867  	v_1 := v.Args[1]
  3868  	v_0 := v.Args[0]
  3869  	// match: (BICshiftLL x (MOVDconst [c]) [d])
  3870  	// result: (ANDconst x [^int64(uint64(c)<<uint64(d))])
  3871  	for {
  3872  		d := auxIntToInt64(v.AuxInt)
  3873  		x := v_0
  3874  		if v_1.Op != OpARM64MOVDconst {
  3875  			break
  3876  		}
  3877  		c := auxIntToInt64(v_1.AuxInt)
  3878  		v.reset(OpARM64ANDconst)
  3879  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
  3880  		v.AddArg(x)
  3881  		return true
  3882  	}
  3883  	// match: (BICshiftLL (SLLconst x [c]) x [c])
  3884  	// result: (MOVDconst [0])
  3885  	for {
  3886  		c := auxIntToInt64(v.AuxInt)
  3887  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
  3888  			break
  3889  		}
  3890  		x := v_0.Args[0]
  3891  		if x != v_1 {
  3892  			break
  3893  		}
  3894  		v.reset(OpARM64MOVDconst)
  3895  		v.AuxInt = int64ToAuxInt(0)
  3896  		return true
  3897  	}
  3898  	return false
  3899  }
  3900  func rewriteValueARM64_OpARM64BICshiftRA(v *Value) bool {
  3901  	v_1 := v.Args[1]
  3902  	v_0 := v.Args[0]
  3903  	// match: (BICshiftRA x (MOVDconst [c]) [d])
  3904  	// result: (ANDconst x [^(c>>uint64(d))])
  3905  	for {
  3906  		d := auxIntToInt64(v.AuxInt)
  3907  		x := v_0
  3908  		if v_1.Op != OpARM64MOVDconst {
  3909  			break
  3910  		}
  3911  		c := auxIntToInt64(v_1.AuxInt)
  3912  		v.reset(OpARM64ANDconst)
  3913  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
  3914  		v.AddArg(x)
  3915  		return true
  3916  	}
  3917  	// match: (BICshiftRA (SRAconst x [c]) x [c])
  3918  	// result: (MOVDconst [0])
  3919  	for {
  3920  		c := auxIntToInt64(v.AuxInt)
  3921  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
  3922  			break
  3923  		}
  3924  		x := v_0.Args[0]
  3925  		if x != v_1 {
  3926  			break
  3927  		}
  3928  		v.reset(OpARM64MOVDconst)
  3929  		v.AuxInt = int64ToAuxInt(0)
  3930  		return true
  3931  	}
  3932  	return false
  3933  }
  3934  func rewriteValueARM64_OpARM64BICshiftRL(v *Value) bool {
  3935  	v_1 := v.Args[1]
  3936  	v_0 := v.Args[0]
  3937  	// match: (BICshiftRL x (MOVDconst [c]) [d])
  3938  	// result: (ANDconst x [^int64(uint64(c)>>uint64(d))])
  3939  	for {
  3940  		d := auxIntToInt64(v.AuxInt)
  3941  		x := v_0
  3942  		if v_1.Op != OpARM64MOVDconst {
  3943  			break
  3944  		}
  3945  		c := auxIntToInt64(v_1.AuxInt)
  3946  		v.reset(OpARM64ANDconst)
  3947  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
  3948  		v.AddArg(x)
  3949  		return true
  3950  	}
  3951  	// match: (BICshiftRL (SRLconst x [c]) x [c])
  3952  	// result: (MOVDconst [0])
  3953  	for {
  3954  		c := auxIntToInt64(v.AuxInt)
  3955  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
  3956  			break
  3957  		}
  3958  		x := v_0.Args[0]
  3959  		if x != v_1 {
  3960  			break
  3961  		}
  3962  		v.reset(OpARM64MOVDconst)
  3963  		v.AuxInt = int64ToAuxInt(0)
  3964  		return true
  3965  	}
  3966  	return false
  3967  }
  3968  func rewriteValueARM64_OpARM64BICshiftRO(v *Value) bool {
  3969  	v_1 := v.Args[1]
  3970  	v_0 := v.Args[0]
  3971  	// match: (BICshiftRO x (MOVDconst [c]) [d])
  3972  	// result: (ANDconst x [^rotateRight64(c, d)])
  3973  	for {
  3974  		d := auxIntToInt64(v.AuxInt)
  3975  		x := v_0
  3976  		if v_1.Op != OpARM64MOVDconst {
  3977  			break
  3978  		}
  3979  		c := auxIntToInt64(v_1.AuxInt)
  3980  		v.reset(OpARM64ANDconst)
  3981  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
  3982  		v.AddArg(x)
  3983  		return true
  3984  	}
  3985  	// match: (BICshiftRO (RORconst x [c]) x [c])
  3986  	// result: (MOVDconst [0])
  3987  	for {
  3988  		c := auxIntToInt64(v.AuxInt)
  3989  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
  3990  			break
  3991  		}
  3992  		x := v_0.Args[0]
  3993  		if x != v_1 {
  3994  			break
  3995  		}
  3996  		v.reset(OpARM64MOVDconst)
  3997  		v.AuxInt = int64ToAuxInt(0)
  3998  		return true
  3999  	}
  4000  	return false
  4001  }
  4002  func rewriteValueARM64_OpARM64CMN(v *Value) bool {
  4003  	v_1 := v.Args[1]
  4004  	v_0 := v.Args[0]
  4005  	// match: (CMN x (MOVDconst [c]))
  4006  	// result: (CMNconst [c] x)
  4007  	for {
  4008  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4009  			x := v_0
  4010  			if v_1.Op != OpARM64MOVDconst {
  4011  				continue
  4012  			}
  4013  			c := auxIntToInt64(v_1.AuxInt)
  4014  			v.reset(OpARM64CMNconst)
  4015  			v.AuxInt = int64ToAuxInt(c)
  4016  			v.AddArg(x)
  4017  			return true
  4018  		}
  4019  		break
  4020  	}
  4021  	// match: (CMN x0 x1:(SLLconst [c] y))
  4022  	// cond: clobberIfDead(x1)
  4023  	// result: (CMNshiftLL x0 y [c])
  4024  	for {
  4025  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4026  			x0 := v_0
  4027  			x1 := v_1
  4028  			if x1.Op != OpARM64SLLconst {
  4029  				continue
  4030  			}
  4031  			c := auxIntToInt64(x1.AuxInt)
  4032  			y := x1.Args[0]
  4033  			if !(clobberIfDead(x1)) {
  4034  				continue
  4035  			}
  4036  			v.reset(OpARM64CMNshiftLL)
  4037  			v.AuxInt = int64ToAuxInt(c)
  4038  			v.AddArg2(x0, y)
  4039  			return true
  4040  		}
  4041  		break
  4042  	}
  4043  	// match: (CMN x0 x1:(SRLconst [c] y))
  4044  	// cond: clobberIfDead(x1)
  4045  	// result: (CMNshiftRL x0 y [c])
  4046  	for {
  4047  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4048  			x0 := v_0
  4049  			x1 := v_1
  4050  			if x1.Op != OpARM64SRLconst {
  4051  				continue
  4052  			}
  4053  			c := auxIntToInt64(x1.AuxInt)
  4054  			y := x1.Args[0]
  4055  			if !(clobberIfDead(x1)) {
  4056  				continue
  4057  			}
  4058  			v.reset(OpARM64CMNshiftRL)
  4059  			v.AuxInt = int64ToAuxInt(c)
  4060  			v.AddArg2(x0, y)
  4061  			return true
  4062  		}
  4063  		break
  4064  	}
  4065  	// match: (CMN x0 x1:(SRAconst [c] y))
  4066  	// cond: clobberIfDead(x1)
  4067  	// result: (CMNshiftRA x0 y [c])
  4068  	for {
  4069  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4070  			x0 := v_0
  4071  			x1 := v_1
  4072  			if x1.Op != OpARM64SRAconst {
  4073  				continue
  4074  			}
  4075  			c := auxIntToInt64(x1.AuxInt)
  4076  			y := x1.Args[0]
  4077  			if !(clobberIfDead(x1)) {
  4078  				continue
  4079  			}
  4080  			v.reset(OpARM64CMNshiftRA)
  4081  			v.AuxInt = int64ToAuxInt(c)
  4082  			v.AddArg2(x0, y)
  4083  			return true
  4084  		}
  4085  		break
  4086  	}
  4087  	return false
  4088  }
  4089  func rewriteValueARM64_OpARM64CMNW(v *Value) bool {
  4090  	v_1 := v.Args[1]
  4091  	v_0 := v.Args[0]
  4092  	// match: (CMNW x (MOVDconst [c]))
  4093  	// result: (CMNWconst [int32(c)] x)
  4094  	for {
  4095  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4096  			x := v_0
  4097  			if v_1.Op != OpARM64MOVDconst {
  4098  				continue
  4099  			}
  4100  			c := auxIntToInt64(v_1.AuxInt)
  4101  			v.reset(OpARM64CMNWconst)
  4102  			v.AuxInt = int32ToAuxInt(int32(c))
  4103  			v.AddArg(x)
  4104  			return true
  4105  		}
  4106  		break
  4107  	}
  4108  	return false
  4109  }
  4110  func rewriteValueARM64_OpARM64CMNWconst(v *Value) bool {
  4111  	v_0 := v.Args[0]
  4112  	// match: (CMNWconst [c] y)
  4113  	// cond: c < 0 && c != -1<<31
  4114  	// result: (CMPWconst [-c] y)
  4115  	for {
  4116  		c := auxIntToInt32(v.AuxInt)
  4117  		y := v_0
  4118  		if !(c < 0 && c != -1<<31) {
  4119  			break
  4120  		}
  4121  		v.reset(OpARM64CMPWconst)
  4122  		v.AuxInt = int32ToAuxInt(-c)
  4123  		v.AddArg(y)
  4124  		return true
  4125  	}
  4126  	// match: (CMNWconst (MOVDconst [x]) [y])
  4127  	// result: (FlagConstant [addFlags32(int32(x),y)])
  4128  	for {
  4129  		y := auxIntToInt32(v.AuxInt)
  4130  		if v_0.Op != OpARM64MOVDconst {
  4131  			break
  4132  		}
  4133  		x := auxIntToInt64(v_0.AuxInt)
  4134  		v.reset(OpARM64FlagConstant)
  4135  		v.AuxInt = flagConstantToAuxInt(addFlags32(int32(x), y))
  4136  		return true
  4137  	}
  4138  	return false
  4139  }
  4140  func rewriteValueARM64_OpARM64CMNconst(v *Value) bool {
  4141  	v_0 := v.Args[0]
  4142  	// match: (CMNconst [c] y)
  4143  	// cond: c < 0 && c != -1<<63
  4144  	// result: (CMPconst [-c] y)
  4145  	for {
  4146  		c := auxIntToInt64(v.AuxInt)
  4147  		y := v_0
  4148  		if !(c < 0 && c != -1<<63) {
  4149  			break
  4150  		}
  4151  		v.reset(OpARM64CMPconst)
  4152  		v.AuxInt = int64ToAuxInt(-c)
  4153  		v.AddArg(y)
  4154  		return true
  4155  	}
  4156  	// match: (CMNconst (MOVDconst [x]) [y])
  4157  	// result: (FlagConstant [addFlags64(x,y)])
  4158  	for {
  4159  		y := auxIntToInt64(v.AuxInt)
  4160  		if v_0.Op != OpARM64MOVDconst {
  4161  			break
  4162  		}
  4163  		x := auxIntToInt64(v_0.AuxInt)
  4164  		v.reset(OpARM64FlagConstant)
  4165  		v.AuxInt = flagConstantToAuxInt(addFlags64(x, y))
  4166  		return true
  4167  	}
  4168  	return false
  4169  }
  4170  func rewriteValueARM64_OpARM64CMNshiftLL(v *Value) bool {
  4171  	v_1 := v.Args[1]
  4172  	v_0 := v.Args[0]
  4173  	b := v.Block
  4174  	// match: (CMNshiftLL (MOVDconst [c]) x [d])
  4175  	// result: (CMNconst [c] (SLLconst <x.Type> x [d]))
  4176  	for {
  4177  		d := auxIntToInt64(v.AuxInt)
  4178  		if v_0.Op != OpARM64MOVDconst {
  4179  			break
  4180  		}
  4181  		c := auxIntToInt64(v_0.AuxInt)
  4182  		x := v_1
  4183  		v.reset(OpARM64CMNconst)
  4184  		v.AuxInt = int64ToAuxInt(c)
  4185  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  4186  		v0.AuxInt = int64ToAuxInt(d)
  4187  		v0.AddArg(x)
  4188  		v.AddArg(v0)
  4189  		return true
  4190  	}
  4191  	// match: (CMNshiftLL x (MOVDconst [c]) [d])
  4192  	// result: (CMNconst x [int64(uint64(c)<<uint64(d))])
  4193  	for {
  4194  		d := auxIntToInt64(v.AuxInt)
  4195  		x := v_0
  4196  		if v_1.Op != OpARM64MOVDconst {
  4197  			break
  4198  		}
  4199  		c := auxIntToInt64(v_1.AuxInt)
  4200  		v.reset(OpARM64CMNconst)
  4201  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  4202  		v.AddArg(x)
  4203  		return true
  4204  	}
  4205  	return false
  4206  }
  4207  func rewriteValueARM64_OpARM64CMNshiftRA(v *Value) bool {
  4208  	v_1 := v.Args[1]
  4209  	v_0 := v.Args[0]
  4210  	b := v.Block
  4211  	// match: (CMNshiftRA (MOVDconst [c]) x [d])
  4212  	// result: (CMNconst [c] (SRAconst <x.Type> x [d]))
  4213  	for {
  4214  		d := auxIntToInt64(v.AuxInt)
  4215  		if v_0.Op != OpARM64MOVDconst {
  4216  			break
  4217  		}
  4218  		c := auxIntToInt64(v_0.AuxInt)
  4219  		x := v_1
  4220  		v.reset(OpARM64CMNconst)
  4221  		v.AuxInt = int64ToAuxInt(c)
  4222  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  4223  		v0.AuxInt = int64ToAuxInt(d)
  4224  		v0.AddArg(x)
  4225  		v.AddArg(v0)
  4226  		return true
  4227  	}
  4228  	// match: (CMNshiftRA x (MOVDconst [c]) [d])
  4229  	// result: (CMNconst x [c>>uint64(d)])
  4230  	for {
  4231  		d := auxIntToInt64(v.AuxInt)
  4232  		x := v_0
  4233  		if v_1.Op != OpARM64MOVDconst {
  4234  			break
  4235  		}
  4236  		c := auxIntToInt64(v_1.AuxInt)
  4237  		v.reset(OpARM64CMNconst)
  4238  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  4239  		v.AddArg(x)
  4240  		return true
  4241  	}
  4242  	return false
  4243  }
  4244  func rewriteValueARM64_OpARM64CMNshiftRL(v *Value) bool {
  4245  	v_1 := v.Args[1]
  4246  	v_0 := v.Args[0]
  4247  	b := v.Block
  4248  	// match: (CMNshiftRL (MOVDconst [c]) x [d])
  4249  	// result: (CMNconst [c] (SRLconst <x.Type> x [d]))
  4250  	for {
  4251  		d := auxIntToInt64(v.AuxInt)
  4252  		if v_0.Op != OpARM64MOVDconst {
  4253  			break
  4254  		}
  4255  		c := auxIntToInt64(v_0.AuxInt)
  4256  		x := v_1
  4257  		v.reset(OpARM64CMNconst)
  4258  		v.AuxInt = int64ToAuxInt(c)
  4259  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  4260  		v0.AuxInt = int64ToAuxInt(d)
  4261  		v0.AddArg(x)
  4262  		v.AddArg(v0)
  4263  		return true
  4264  	}
  4265  	// match: (CMNshiftRL x (MOVDconst [c]) [d])
  4266  	// result: (CMNconst x [int64(uint64(c)>>uint64(d))])
  4267  	for {
  4268  		d := auxIntToInt64(v.AuxInt)
  4269  		x := v_0
  4270  		if v_1.Op != OpARM64MOVDconst {
  4271  			break
  4272  		}
  4273  		c := auxIntToInt64(v_1.AuxInt)
  4274  		v.reset(OpARM64CMNconst)
  4275  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  4276  		v.AddArg(x)
  4277  		return true
  4278  	}
  4279  	return false
  4280  }
  4281  func rewriteValueARM64_OpARM64CMP(v *Value) bool {
  4282  	v_1 := v.Args[1]
  4283  	v_0 := v.Args[0]
  4284  	b := v.Block
  4285  	// match: (CMP x (MOVDconst [c]))
  4286  	// result: (CMPconst [c] x)
  4287  	for {
  4288  		x := v_0
  4289  		if v_1.Op != OpARM64MOVDconst {
  4290  			break
  4291  		}
  4292  		c := auxIntToInt64(v_1.AuxInt)
  4293  		v.reset(OpARM64CMPconst)
  4294  		v.AuxInt = int64ToAuxInt(c)
  4295  		v.AddArg(x)
  4296  		return true
  4297  	}
  4298  	// match: (CMP (MOVDconst [c]) x)
  4299  	// result: (InvertFlags (CMPconst [c] x))
  4300  	for {
  4301  		if v_0.Op != OpARM64MOVDconst {
  4302  			break
  4303  		}
  4304  		c := auxIntToInt64(v_0.AuxInt)
  4305  		x := v_1
  4306  		v.reset(OpARM64InvertFlags)
  4307  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  4308  		v0.AuxInt = int64ToAuxInt(c)
  4309  		v0.AddArg(x)
  4310  		v.AddArg(v0)
  4311  		return true
  4312  	}
  4313  	// match: (CMP x y)
  4314  	// cond: canonLessThan(x,y)
  4315  	// result: (InvertFlags (CMP y x))
  4316  	for {
  4317  		x := v_0
  4318  		y := v_1
  4319  		if !(canonLessThan(x, y)) {
  4320  			break
  4321  		}
  4322  		v.reset(OpARM64InvertFlags)
  4323  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  4324  		v0.AddArg2(y, x)
  4325  		v.AddArg(v0)
  4326  		return true
  4327  	}
  4328  	// match: (CMP x0 x1:(SLLconst [c] y))
  4329  	// cond: clobberIfDead(x1)
  4330  	// result: (CMPshiftLL x0 y [c])
  4331  	for {
  4332  		x0 := v_0
  4333  		x1 := v_1
  4334  		if x1.Op != OpARM64SLLconst {
  4335  			break
  4336  		}
  4337  		c := auxIntToInt64(x1.AuxInt)
  4338  		y := x1.Args[0]
  4339  		if !(clobberIfDead(x1)) {
  4340  			break
  4341  		}
  4342  		v.reset(OpARM64CMPshiftLL)
  4343  		v.AuxInt = int64ToAuxInt(c)
  4344  		v.AddArg2(x0, y)
  4345  		return true
  4346  	}
  4347  	// match: (CMP x0:(SLLconst [c] y) x1)
  4348  	// cond: clobberIfDead(x0)
  4349  	// result: (InvertFlags (CMPshiftLL x1 y [c]))
  4350  	for {
  4351  		x0 := v_0
  4352  		if x0.Op != OpARM64SLLconst {
  4353  			break
  4354  		}
  4355  		c := auxIntToInt64(x0.AuxInt)
  4356  		y := x0.Args[0]
  4357  		x1 := v_1
  4358  		if !(clobberIfDead(x0)) {
  4359  			break
  4360  		}
  4361  		v.reset(OpARM64InvertFlags)
  4362  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftLL, types.TypeFlags)
  4363  		v0.AuxInt = int64ToAuxInt(c)
  4364  		v0.AddArg2(x1, y)
  4365  		v.AddArg(v0)
  4366  		return true
  4367  	}
  4368  	// match: (CMP x0 x1:(SRLconst [c] y))
  4369  	// cond: clobberIfDead(x1)
  4370  	// result: (CMPshiftRL x0 y [c])
  4371  	for {
  4372  		x0 := v_0
  4373  		x1 := v_1
  4374  		if x1.Op != OpARM64SRLconst {
  4375  			break
  4376  		}
  4377  		c := auxIntToInt64(x1.AuxInt)
  4378  		y := x1.Args[0]
  4379  		if !(clobberIfDead(x1)) {
  4380  			break
  4381  		}
  4382  		v.reset(OpARM64CMPshiftRL)
  4383  		v.AuxInt = int64ToAuxInt(c)
  4384  		v.AddArg2(x0, y)
  4385  		return true
  4386  	}
  4387  	// match: (CMP x0:(SRLconst [c] y) x1)
  4388  	// cond: clobberIfDead(x0)
  4389  	// result: (InvertFlags (CMPshiftRL x1 y [c]))
  4390  	for {
  4391  		x0 := v_0
  4392  		if x0.Op != OpARM64SRLconst {
  4393  			break
  4394  		}
  4395  		c := auxIntToInt64(x0.AuxInt)
  4396  		y := x0.Args[0]
  4397  		x1 := v_1
  4398  		if !(clobberIfDead(x0)) {
  4399  			break
  4400  		}
  4401  		v.reset(OpARM64InvertFlags)
  4402  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRL, types.TypeFlags)
  4403  		v0.AuxInt = int64ToAuxInt(c)
  4404  		v0.AddArg2(x1, y)
  4405  		v.AddArg(v0)
  4406  		return true
  4407  	}
  4408  	// match: (CMP x0 x1:(SRAconst [c] y))
  4409  	// cond: clobberIfDead(x1)
  4410  	// result: (CMPshiftRA x0 y [c])
  4411  	for {
  4412  		x0 := v_0
  4413  		x1 := v_1
  4414  		if x1.Op != OpARM64SRAconst {
  4415  			break
  4416  		}
  4417  		c := auxIntToInt64(x1.AuxInt)
  4418  		y := x1.Args[0]
  4419  		if !(clobberIfDead(x1)) {
  4420  			break
  4421  		}
  4422  		v.reset(OpARM64CMPshiftRA)
  4423  		v.AuxInt = int64ToAuxInt(c)
  4424  		v.AddArg2(x0, y)
  4425  		return true
  4426  	}
  4427  	// match: (CMP x0:(SRAconst [c] y) x1)
  4428  	// cond: clobberIfDead(x0)
  4429  	// result: (InvertFlags (CMPshiftRA x1 y [c]))
  4430  	for {
  4431  		x0 := v_0
  4432  		if x0.Op != OpARM64SRAconst {
  4433  			break
  4434  		}
  4435  		c := auxIntToInt64(x0.AuxInt)
  4436  		y := x0.Args[0]
  4437  		x1 := v_1
  4438  		if !(clobberIfDead(x0)) {
  4439  			break
  4440  		}
  4441  		v.reset(OpARM64InvertFlags)
  4442  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRA, types.TypeFlags)
  4443  		v0.AuxInt = int64ToAuxInt(c)
  4444  		v0.AddArg2(x1, y)
  4445  		v.AddArg(v0)
  4446  		return true
  4447  	}
  4448  	return false
  4449  }
  4450  func rewriteValueARM64_OpARM64CMPW(v *Value) bool {
  4451  	v_1 := v.Args[1]
  4452  	v_0 := v.Args[0]
  4453  	b := v.Block
  4454  	// match: (CMPW x (MOVDconst [c]))
  4455  	// result: (CMPWconst [int32(c)] x)
  4456  	for {
  4457  		x := v_0
  4458  		if v_1.Op != OpARM64MOVDconst {
  4459  			break
  4460  		}
  4461  		c := auxIntToInt64(v_1.AuxInt)
  4462  		v.reset(OpARM64CMPWconst)
  4463  		v.AuxInt = int32ToAuxInt(int32(c))
  4464  		v.AddArg(x)
  4465  		return true
  4466  	}
  4467  	// match: (CMPW (MOVDconst [c]) x)
  4468  	// result: (InvertFlags (CMPWconst [int32(c)] x))
  4469  	for {
  4470  		if v_0.Op != OpARM64MOVDconst {
  4471  			break
  4472  		}
  4473  		c := auxIntToInt64(v_0.AuxInt)
  4474  		x := v_1
  4475  		v.reset(OpARM64InvertFlags)
  4476  		v0 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags)
  4477  		v0.AuxInt = int32ToAuxInt(int32(c))
  4478  		v0.AddArg(x)
  4479  		v.AddArg(v0)
  4480  		return true
  4481  	}
  4482  	// match: (CMPW x y)
  4483  	// cond: canonLessThan(x,y)
  4484  	// result: (InvertFlags (CMPW y x))
  4485  	for {
  4486  		x := v_0
  4487  		y := v_1
  4488  		if !(canonLessThan(x, y)) {
  4489  			break
  4490  		}
  4491  		v.reset(OpARM64InvertFlags)
  4492  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  4493  		v0.AddArg2(y, x)
  4494  		v.AddArg(v0)
  4495  		return true
  4496  	}
  4497  	return false
  4498  }
  4499  func rewriteValueARM64_OpARM64CMPWconst(v *Value) bool {
  4500  	v_0 := v.Args[0]
  4501  	// match: (CMPWconst [c] y)
  4502  	// cond: c < 0 && c != -1<<31
  4503  	// result: (CMNWconst [-c] y)
  4504  	for {
  4505  		c := auxIntToInt32(v.AuxInt)
  4506  		y := v_0
  4507  		if !(c < 0 && c != -1<<31) {
  4508  			break
  4509  		}
  4510  		v.reset(OpARM64CMNWconst)
  4511  		v.AuxInt = int32ToAuxInt(-c)
  4512  		v.AddArg(y)
  4513  		return true
  4514  	}
  4515  	// match: (CMPWconst (MOVDconst [x]) [y])
  4516  	// result: (FlagConstant [subFlags32(int32(x),y)])
  4517  	for {
  4518  		y := auxIntToInt32(v.AuxInt)
  4519  		if v_0.Op != OpARM64MOVDconst {
  4520  			break
  4521  		}
  4522  		x := auxIntToInt64(v_0.AuxInt)
  4523  		v.reset(OpARM64FlagConstant)
  4524  		v.AuxInt = flagConstantToAuxInt(subFlags32(int32(x), y))
  4525  		return true
  4526  	}
  4527  	// match: (CMPWconst (MOVBUreg _) [c])
  4528  	// cond: 0xff < c
  4529  	// result: (FlagConstant [subFlags64(0,1)])
  4530  	for {
  4531  		c := auxIntToInt32(v.AuxInt)
  4532  		if v_0.Op != OpARM64MOVBUreg || !(0xff < c) {
  4533  			break
  4534  		}
  4535  		v.reset(OpARM64FlagConstant)
  4536  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4537  		return true
  4538  	}
  4539  	// match: (CMPWconst (MOVHUreg _) [c])
  4540  	// cond: 0xffff < c
  4541  	// result: (FlagConstant [subFlags64(0,1)])
  4542  	for {
  4543  		c := auxIntToInt32(v.AuxInt)
  4544  		if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) {
  4545  			break
  4546  		}
  4547  		v.reset(OpARM64FlagConstant)
  4548  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4549  		return true
  4550  	}
  4551  	return false
  4552  }
  4553  func rewriteValueARM64_OpARM64CMPconst(v *Value) bool {
  4554  	v_0 := v.Args[0]
  4555  	// match: (CMPconst [c] y)
  4556  	// cond: c < 0 && c != -1<<63
  4557  	// result: (CMNconst [-c] y)
  4558  	for {
  4559  		c := auxIntToInt64(v.AuxInt)
  4560  		y := v_0
  4561  		if !(c < 0 && c != -1<<63) {
  4562  			break
  4563  		}
  4564  		v.reset(OpARM64CMNconst)
  4565  		v.AuxInt = int64ToAuxInt(-c)
  4566  		v.AddArg(y)
  4567  		return true
  4568  	}
  4569  	// match: (CMPconst (MOVDconst [x]) [y])
  4570  	// result: (FlagConstant [subFlags64(x,y)])
  4571  	for {
  4572  		y := auxIntToInt64(v.AuxInt)
  4573  		if v_0.Op != OpARM64MOVDconst {
  4574  			break
  4575  		}
  4576  		x := auxIntToInt64(v_0.AuxInt)
  4577  		v.reset(OpARM64FlagConstant)
  4578  		v.AuxInt = flagConstantToAuxInt(subFlags64(x, y))
  4579  		return true
  4580  	}
  4581  	// match: (CMPconst (MOVBUreg _) [c])
  4582  	// cond: 0xff < c
  4583  	// result: (FlagConstant [subFlags64(0,1)])
  4584  	for {
  4585  		c := auxIntToInt64(v.AuxInt)
  4586  		if v_0.Op != OpARM64MOVBUreg || !(0xff < c) {
  4587  			break
  4588  		}
  4589  		v.reset(OpARM64FlagConstant)
  4590  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4591  		return true
  4592  	}
  4593  	// match: (CMPconst (MOVHUreg _) [c])
  4594  	// cond: 0xffff < c
  4595  	// result: (FlagConstant [subFlags64(0,1)])
  4596  	for {
  4597  		c := auxIntToInt64(v.AuxInt)
  4598  		if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) {
  4599  			break
  4600  		}
  4601  		v.reset(OpARM64FlagConstant)
  4602  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4603  		return true
  4604  	}
  4605  	// match: (CMPconst (MOVWUreg _) [c])
  4606  	// cond: 0xffffffff < c
  4607  	// result: (FlagConstant [subFlags64(0,1)])
  4608  	for {
  4609  		c := auxIntToInt64(v.AuxInt)
  4610  		if v_0.Op != OpARM64MOVWUreg || !(0xffffffff < c) {
  4611  			break
  4612  		}
  4613  		v.reset(OpARM64FlagConstant)
  4614  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4615  		return true
  4616  	}
  4617  	// match: (CMPconst (ANDconst _ [m]) [n])
  4618  	// cond: 0 <= m && m < n
  4619  	// result: (FlagConstant [subFlags64(0,1)])
  4620  	for {
  4621  		n := auxIntToInt64(v.AuxInt)
  4622  		if v_0.Op != OpARM64ANDconst {
  4623  			break
  4624  		}
  4625  		m := auxIntToInt64(v_0.AuxInt)
  4626  		if !(0 <= m && m < n) {
  4627  			break
  4628  		}
  4629  		v.reset(OpARM64FlagConstant)
  4630  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4631  		return true
  4632  	}
  4633  	// match: (CMPconst (SRLconst _ [c]) [n])
  4634  	// cond: 0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n)
  4635  	// result: (FlagConstant [subFlags64(0,1)])
  4636  	for {
  4637  		n := auxIntToInt64(v.AuxInt)
  4638  		if v_0.Op != OpARM64SRLconst {
  4639  			break
  4640  		}
  4641  		c := auxIntToInt64(v_0.AuxInt)
  4642  		if !(0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n)) {
  4643  			break
  4644  		}
  4645  		v.reset(OpARM64FlagConstant)
  4646  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  4647  		return true
  4648  	}
  4649  	return false
  4650  }
  4651  func rewriteValueARM64_OpARM64CMPshiftLL(v *Value) bool {
  4652  	v_1 := v.Args[1]
  4653  	v_0 := v.Args[0]
  4654  	b := v.Block
  4655  	// match: (CMPshiftLL (MOVDconst [c]) x [d])
  4656  	// result: (InvertFlags (CMPconst [c] (SLLconst <x.Type> x [d])))
  4657  	for {
  4658  		d := auxIntToInt64(v.AuxInt)
  4659  		if v_0.Op != OpARM64MOVDconst {
  4660  			break
  4661  		}
  4662  		c := auxIntToInt64(v_0.AuxInt)
  4663  		x := v_1
  4664  		v.reset(OpARM64InvertFlags)
  4665  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  4666  		v0.AuxInt = int64ToAuxInt(c)
  4667  		v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  4668  		v1.AuxInt = int64ToAuxInt(d)
  4669  		v1.AddArg(x)
  4670  		v0.AddArg(v1)
  4671  		v.AddArg(v0)
  4672  		return true
  4673  	}
  4674  	// match: (CMPshiftLL x (MOVDconst [c]) [d])
  4675  	// result: (CMPconst x [int64(uint64(c)<<uint64(d))])
  4676  	for {
  4677  		d := auxIntToInt64(v.AuxInt)
  4678  		x := v_0
  4679  		if v_1.Op != OpARM64MOVDconst {
  4680  			break
  4681  		}
  4682  		c := auxIntToInt64(v_1.AuxInt)
  4683  		v.reset(OpARM64CMPconst)
  4684  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  4685  		v.AddArg(x)
  4686  		return true
  4687  	}
  4688  	return false
  4689  }
  4690  func rewriteValueARM64_OpARM64CMPshiftRA(v *Value) bool {
  4691  	v_1 := v.Args[1]
  4692  	v_0 := v.Args[0]
  4693  	b := v.Block
  4694  	// match: (CMPshiftRA (MOVDconst [c]) x [d])
  4695  	// result: (InvertFlags (CMPconst [c] (SRAconst <x.Type> x [d])))
  4696  	for {
  4697  		d := auxIntToInt64(v.AuxInt)
  4698  		if v_0.Op != OpARM64MOVDconst {
  4699  			break
  4700  		}
  4701  		c := auxIntToInt64(v_0.AuxInt)
  4702  		x := v_1
  4703  		v.reset(OpARM64InvertFlags)
  4704  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  4705  		v0.AuxInt = int64ToAuxInt(c)
  4706  		v1 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  4707  		v1.AuxInt = int64ToAuxInt(d)
  4708  		v1.AddArg(x)
  4709  		v0.AddArg(v1)
  4710  		v.AddArg(v0)
  4711  		return true
  4712  	}
  4713  	// match: (CMPshiftRA x (MOVDconst [c]) [d])
  4714  	// result: (CMPconst x [c>>uint64(d)])
  4715  	for {
  4716  		d := auxIntToInt64(v.AuxInt)
  4717  		x := v_0
  4718  		if v_1.Op != OpARM64MOVDconst {
  4719  			break
  4720  		}
  4721  		c := auxIntToInt64(v_1.AuxInt)
  4722  		v.reset(OpARM64CMPconst)
  4723  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  4724  		v.AddArg(x)
  4725  		return true
  4726  	}
  4727  	return false
  4728  }
  4729  func rewriteValueARM64_OpARM64CMPshiftRL(v *Value) bool {
  4730  	v_1 := v.Args[1]
  4731  	v_0 := v.Args[0]
  4732  	b := v.Block
  4733  	// match: (CMPshiftRL (MOVDconst [c]) x [d])
  4734  	// result: (InvertFlags (CMPconst [c] (SRLconst <x.Type> x [d])))
  4735  	for {
  4736  		d := auxIntToInt64(v.AuxInt)
  4737  		if v_0.Op != OpARM64MOVDconst {
  4738  			break
  4739  		}
  4740  		c := auxIntToInt64(v_0.AuxInt)
  4741  		x := v_1
  4742  		v.reset(OpARM64InvertFlags)
  4743  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  4744  		v0.AuxInt = int64ToAuxInt(c)
  4745  		v1 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  4746  		v1.AuxInt = int64ToAuxInt(d)
  4747  		v1.AddArg(x)
  4748  		v0.AddArg(v1)
  4749  		v.AddArg(v0)
  4750  		return true
  4751  	}
  4752  	// match: (CMPshiftRL x (MOVDconst [c]) [d])
  4753  	// result: (CMPconst x [int64(uint64(c)>>uint64(d))])
  4754  	for {
  4755  		d := auxIntToInt64(v.AuxInt)
  4756  		x := v_0
  4757  		if v_1.Op != OpARM64MOVDconst {
  4758  			break
  4759  		}
  4760  		c := auxIntToInt64(v_1.AuxInt)
  4761  		v.reset(OpARM64CMPconst)
  4762  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  4763  		v.AddArg(x)
  4764  		return true
  4765  	}
  4766  	return false
  4767  }
  4768  func rewriteValueARM64_OpARM64CSEL(v *Value) bool {
  4769  	v_2 := v.Args[2]
  4770  	v_1 := v.Args[1]
  4771  	v_0 := v.Args[0]
  4772  	// match: (CSEL [cc] (MOVDconst [-1]) (MOVDconst [0]) flag)
  4773  	// result: (CSETM [cc] flag)
  4774  	for {
  4775  		cc := auxIntToOp(v.AuxInt)
  4776  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != -1 || v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  4777  			break
  4778  		}
  4779  		flag := v_2
  4780  		v.reset(OpARM64CSETM)
  4781  		v.AuxInt = opToAuxInt(cc)
  4782  		v.AddArg(flag)
  4783  		return true
  4784  	}
  4785  	// match: (CSEL [cc] (MOVDconst [0]) (MOVDconst [-1]) flag)
  4786  	// result: (CSETM [arm64Negate(cc)] flag)
  4787  	for {
  4788  		cc := auxIntToOp(v.AuxInt)
  4789  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 || v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  4790  			break
  4791  		}
  4792  		flag := v_2
  4793  		v.reset(OpARM64CSETM)
  4794  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  4795  		v.AddArg(flag)
  4796  		return true
  4797  	}
  4798  	// match: (CSEL [cc] x (MOVDconst [0]) flag)
  4799  	// result: (CSEL0 [cc] x flag)
  4800  	for {
  4801  		cc := auxIntToOp(v.AuxInt)
  4802  		x := v_0
  4803  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  4804  			break
  4805  		}
  4806  		flag := v_2
  4807  		v.reset(OpARM64CSEL0)
  4808  		v.AuxInt = opToAuxInt(cc)
  4809  		v.AddArg2(x, flag)
  4810  		return true
  4811  	}
  4812  	// match: (CSEL [cc] (MOVDconst [0]) y flag)
  4813  	// result: (CSEL0 [arm64Negate(cc)] y flag)
  4814  	for {
  4815  		cc := auxIntToOp(v.AuxInt)
  4816  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4817  			break
  4818  		}
  4819  		y := v_1
  4820  		flag := v_2
  4821  		v.reset(OpARM64CSEL0)
  4822  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  4823  		v.AddArg2(y, flag)
  4824  		return true
  4825  	}
  4826  	// match: (CSEL [cc] x (ADDconst [1] a) flag)
  4827  	// result: (CSINC [cc] x a flag)
  4828  	for {
  4829  		cc := auxIntToOp(v.AuxInt)
  4830  		x := v_0
  4831  		if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  4832  			break
  4833  		}
  4834  		a := v_1.Args[0]
  4835  		flag := v_2
  4836  		v.reset(OpARM64CSINC)
  4837  		v.AuxInt = opToAuxInt(cc)
  4838  		v.AddArg3(x, a, flag)
  4839  		return true
  4840  	}
  4841  	// match: (CSEL [cc] (ADDconst [1] a) x flag)
  4842  	// result: (CSINC [arm64Negate(cc)] x a flag)
  4843  	for {
  4844  		cc := auxIntToOp(v.AuxInt)
  4845  		if v_0.Op != OpARM64ADDconst || auxIntToInt64(v_0.AuxInt) != 1 {
  4846  			break
  4847  		}
  4848  		a := v_0.Args[0]
  4849  		x := v_1
  4850  		flag := v_2
  4851  		v.reset(OpARM64CSINC)
  4852  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  4853  		v.AddArg3(x, a, flag)
  4854  		return true
  4855  	}
  4856  	// match: (CSEL [cc] x (MVN a) flag)
  4857  	// result: (CSINV [cc] x a flag)
  4858  	for {
  4859  		cc := auxIntToOp(v.AuxInt)
  4860  		x := v_0
  4861  		if v_1.Op != OpARM64MVN {
  4862  			break
  4863  		}
  4864  		a := v_1.Args[0]
  4865  		flag := v_2
  4866  		v.reset(OpARM64CSINV)
  4867  		v.AuxInt = opToAuxInt(cc)
  4868  		v.AddArg3(x, a, flag)
  4869  		return true
  4870  	}
  4871  	// match: (CSEL [cc] (MVN a) x flag)
  4872  	// result: (CSINV [arm64Negate(cc)] x a flag)
  4873  	for {
  4874  		cc := auxIntToOp(v.AuxInt)
  4875  		if v_0.Op != OpARM64MVN {
  4876  			break
  4877  		}
  4878  		a := v_0.Args[0]
  4879  		x := v_1
  4880  		flag := v_2
  4881  		v.reset(OpARM64CSINV)
  4882  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  4883  		v.AddArg3(x, a, flag)
  4884  		return true
  4885  	}
  4886  	// match: (CSEL [cc] x (NEG a) flag)
  4887  	// result: (CSNEG [cc] x a flag)
  4888  	for {
  4889  		cc := auxIntToOp(v.AuxInt)
  4890  		x := v_0
  4891  		if v_1.Op != OpARM64NEG {
  4892  			break
  4893  		}
  4894  		a := v_1.Args[0]
  4895  		flag := v_2
  4896  		v.reset(OpARM64CSNEG)
  4897  		v.AuxInt = opToAuxInt(cc)
  4898  		v.AddArg3(x, a, flag)
  4899  		return true
  4900  	}
  4901  	// match: (CSEL [cc] (NEG a) x flag)
  4902  	// result: (CSNEG [arm64Negate(cc)] x a flag)
  4903  	for {
  4904  		cc := auxIntToOp(v.AuxInt)
  4905  		if v_0.Op != OpARM64NEG {
  4906  			break
  4907  		}
  4908  		a := v_0.Args[0]
  4909  		x := v_1
  4910  		flag := v_2
  4911  		v.reset(OpARM64CSNEG)
  4912  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  4913  		v.AddArg3(x, a, flag)
  4914  		return true
  4915  	}
  4916  	// match: (CSEL [cc] x y (InvertFlags cmp))
  4917  	// result: (CSEL [arm64Invert(cc)] x y cmp)
  4918  	for {
  4919  		cc := auxIntToOp(v.AuxInt)
  4920  		x := v_0
  4921  		y := v_1
  4922  		if v_2.Op != OpARM64InvertFlags {
  4923  			break
  4924  		}
  4925  		cmp := v_2.Args[0]
  4926  		v.reset(OpARM64CSEL)
  4927  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  4928  		v.AddArg3(x, y, cmp)
  4929  		return true
  4930  	}
  4931  	// match: (CSEL [cc] x _ flag)
  4932  	// cond: ccARM64Eval(cc, flag) > 0
  4933  	// result: x
  4934  	for {
  4935  		cc := auxIntToOp(v.AuxInt)
  4936  		x := v_0
  4937  		flag := v_2
  4938  		if !(ccARM64Eval(cc, flag) > 0) {
  4939  			break
  4940  		}
  4941  		v.copyOf(x)
  4942  		return true
  4943  	}
  4944  	// match: (CSEL [cc] _ y flag)
  4945  	// cond: ccARM64Eval(cc, flag) < 0
  4946  	// result: y
  4947  	for {
  4948  		cc := auxIntToOp(v.AuxInt)
  4949  		y := v_1
  4950  		flag := v_2
  4951  		if !(ccARM64Eval(cc, flag) < 0) {
  4952  			break
  4953  		}
  4954  		v.copyOf(y)
  4955  		return true
  4956  	}
  4957  	// match: (CSEL [cc] x y (CMPWconst [0] boolval))
  4958  	// cond: cc == OpARM64NotEqual && flagArg(boolval) != nil
  4959  	// result: (CSEL [boolval.Op] x y flagArg(boolval))
  4960  	for {
  4961  		cc := auxIntToOp(v.AuxInt)
  4962  		x := v_0
  4963  		y := v_1
  4964  		if v_2.Op != OpARM64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 {
  4965  			break
  4966  		}
  4967  		boolval := v_2.Args[0]
  4968  		if !(cc == OpARM64NotEqual && flagArg(boolval) != nil) {
  4969  			break
  4970  		}
  4971  		v.reset(OpARM64CSEL)
  4972  		v.AuxInt = opToAuxInt(boolval.Op)
  4973  		v.AddArg3(x, y, flagArg(boolval))
  4974  		return true
  4975  	}
  4976  	// match: (CSEL [cc] x y (CMPWconst [0] boolval))
  4977  	// cond: cc == OpARM64Equal && flagArg(boolval) != nil
  4978  	// result: (CSEL [arm64Negate(boolval.Op)] x y flagArg(boolval))
  4979  	for {
  4980  		cc := auxIntToOp(v.AuxInt)
  4981  		x := v_0
  4982  		y := v_1
  4983  		if v_2.Op != OpARM64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 {
  4984  			break
  4985  		}
  4986  		boolval := v_2.Args[0]
  4987  		if !(cc == OpARM64Equal && flagArg(boolval) != nil) {
  4988  			break
  4989  		}
  4990  		v.reset(OpARM64CSEL)
  4991  		v.AuxInt = opToAuxInt(arm64Negate(boolval.Op))
  4992  		v.AddArg3(x, y, flagArg(boolval))
  4993  		return true
  4994  	}
  4995  	return false
  4996  }
  4997  func rewriteValueARM64_OpARM64CSEL0(v *Value) bool {
  4998  	v_1 := v.Args[1]
  4999  	v_0 := v.Args[0]
  5000  	// match: (CSEL0 [cc] x (InvertFlags cmp))
  5001  	// result: (CSEL0 [arm64Invert(cc)] x cmp)
  5002  	for {
  5003  		cc := auxIntToOp(v.AuxInt)
  5004  		x := v_0
  5005  		if v_1.Op != OpARM64InvertFlags {
  5006  			break
  5007  		}
  5008  		cmp := v_1.Args[0]
  5009  		v.reset(OpARM64CSEL0)
  5010  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  5011  		v.AddArg2(x, cmp)
  5012  		return true
  5013  	}
  5014  	// match: (CSEL0 [cc] x flag)
  5015  	// cond: ccARM64Eval(cc, flag) > 0
  5016  	// result: x
  5017  	for {
  5018  		cc := auxIntToOp(v.AuxInt)
  5019  		x := v_0
  5020  		flag := v_1
  5021  		if !(ccARM64Eval(cc, flag) > 0) {
  5022  			break
  5023  		}
  5024  		v.copyOf(x)
  5025  		return true
  5026  	}
  5027  	// match: (CSEL0 [cc] _ flag)
  5028  	// cond: ccARM64Eval(cc, flag) < 0
  5029  	// result: (MOVDconst [0])
  5030  	for {
  5031  		cc := auxIntToOp(v.AuxInt)
  5032  		flag := v_1
  5033  		if !(ccARM64Eval(cc, flag) < 0) {
  5034  			break
  5035  		}
  5036  		v.reset(OpARM64MOVDconst)
  5037  		v.AuxInt = int64ToAuxInt(0)
  5038  		return true
  5039  	}
  5040  	// match: (CSEL0 [cc] x (CMPWconst [0] boolval))
  5041  	// cond: cc == OpARM64NotEqual && flagArg(boolval) != nil
  5042  	// result: (CSEL0 [boolval.Op] x flagArg(boolval))
  5043  	for {
  5044  		cc := auxIntToOp(v.AuxInt)
  5045  		x := v_0
  5046  		if v_1.Op != OpARM64CMPWconst || auxIntToInt32(v_1.AuxInt) != 0 {
  5047  			break
  5048  		}
  5049  		boolval := v_1.Args[0]
  5050  		if !(cc == OpARM64NotEqual && flagArg(boolval) != nil) {
  5051  			break
  5052  		}
  5053  		v.reset(OpARM64CSEL0)
  5054  		v.AuxInt = opToAuxInt(boolval.Op)
  5055  		v.AddArg2(x, flagArg(boolval))
  5056  		return true
  5057  	}
  5058  	// match: (CSEL0 [cc] x (CMPWconst [0] boolval))
  5059  	// cond: cc == OpARM64Equal && flagArg(boolval) != nil
  5060  	// result: (CSEL0 [arm64Negate(boolval.Op)] x flagArg(boolval))
  5061  	for {
  5062  		cc := auxIntToOp(v.AuxInt)
  5063  		x := v_0
  5064  		if v_1.Op != OpARM64CMPWconst || auxIntToInt32(v_1.AuxInt) != 0 {
  5065  			break
  5066  		}
  5067  		boolval := v_1.Args[0]
  5068  		if !(cc == OpARM64Equal && flagArg(boolval) != nil) {
  5069  			break
  5070  		}
  5071  		v.reset(OpARM64CSEL0)
  5072  		v.AuxInt = opToAuxInt(arm64Negate(boolval.Op))
  5073  		v.AddArg2(x, flagArg(boolval))
  5074  		return true
  5075  	}
  5076  	return false
  5077  }
  5078  func rewriteValueARM64_OpARM64CSETM(v *Value) bool {
  5079  	v_0 := v.Args[0]
  5080  	// match: (CSETM [cc] (InvertFlags cmp))
  5081  	// result: (CSETM [arm64Invert(cc)] cmp)
  5082  	for {
  5083  		cc := auxIntToOp(v.AuxInt)
  5084  		if v_0.Op != OpARM64InvertFlags {
  5085  			break
  5086  		}
  5087  		cmp := v_0.Args[0]
  5088  		v.reset(OpARM64CSETM)
  5089  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  5090  		v.AddArg(cmp)
  5091  		return true
  5092  	}
  5093  	// match: (CSETM [cc] flag)
  5094  	// cond: ccARM64Eval(cc, flag) > 0
  5095  	// result: (MOVDconst [-1])
  5096  	for {
  5097  		cc := auxIntToOp(v.AuxInt)
  5098  		flag := v_0
  5099  		if !(ccARM64Eval(cc, flag) > 0) {
  5100  			break
  5101  		}
  5102  		v.reset(OpARM64MOVDconst)
  5103  		v.AuxInt = int64ToAuxInt(-1)
  5104  		return true
  5105  	}
  5106  	// match: (CSETM [cc] flag)
  5107  	// cond: ccARM64Eval(cc, flag) < 0
  5108  	// result: (MOVDconst [0])
  5109  	for {
  5110  		cc := auxIntToOp(v.AuxInt)
  5111  		flag := v_0
  5112  		if !(ccARM64Eval(cc, flag) < 0) {
  5113  			break
  5114  		}
  5115  		v.reset(OpARM64MOVDconst)
  5116  		v.AuxInt = int64ToAuxInt(0)
  5117  		return true
  5118  	}
  5119  	return false
  5120  }
  5121  func rewriteValueARM64_OpARM64CSINC(v *Value) bool {
  5122  	v_2 := v.Args[2]
  5123  	v_1 := v.Args[1]
  5124  	v_0 := v.Args[0]
  5125  	// match: (CSINC [cc] x y (InvertFlags cmp))
  5126  	// result: (CSINC [arm64Invert(cc)] x y cmp)
  5127  	for {
  5128  		cc := auxIntToOp(v.AuxInt)
  5129  		x := v_0
  5130  		y := v_1
  5131  		if v_2.Op != OpARM64InvertFlags {
  5132  			break
  5133  		}
  5134  		cmp := v_2.Args[0]
  5135  		v.reset(OpARM64CSINC)
  5136  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  5137  		v.AddArg3(x, y, cmp)
  5138  		return true
  5139  	}
  5140  	// match: (CSINC [cc] x _ flag)
  5141  	// cond: ccARM64Eval(cc, flag) > 0
  5142  	// result: x
  5143  	for {
  5144  		cc := auxIntToOp(v.AuxInt)
  5145  		x := v_0
  5146  		flag := v_2
  5147  		if !(ccARM64Eval(cc, flag) > 0) {
  5148  			break
  5149  		}
  5150  		v.copyOf(x)
  5151  		return true
  5152  	}
  5153  	// match: (CSINC [cc] _ y flag)
  5154  	// cond: ccARM64Eval(cc, flag) < 0
  5155  	// result: (ADDconst [1] y)
  5156  	for {
  5157  		cc := auxIntToOp(v.AuxInt)
  5158  		y := v_1
  5159  		flag := v_2
  5160  		if !(ccARM64Eval(cc, flag) < 0) {
  5161  			break
  5162  		}
  5163  		v.reset(OpARM64ADDconst)
  5164  		v.AuxInt = int64ToAuxInt(1)
  5165  		v.AddArg(y)
  5166  		return true
  5167  	}
  5168  	return false
  5169  }
  5170  func rewriteValueARM64_OpARM64CSINV(v *Value) bool {
  5171  	v_2 := v.Args[2]
  5172  	v_1 := v.Args[1]
  5173  	v_0 := v.Args[0]
  5174  	// match: (CSINV [cc] x y (InvertFlags cmp))
  5175  	// result: (CSINV [arm64Invert(cc)] x y cmp)
  5176  	for {
  5177  		cc := auxIntToOp(v.AuxInt)
  5178  		x := v_0
  5179  		y := v_1
  5180  		if v_2.Op != OpARM64InvertFlags {
  5181  			break
  5182  		}
  5183  		cmp := v_2.Args[0]
  5184  		v.reset(OpARM64CSINV)
  5185  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  5186  		v.AddArg3(x, y, cmp)
  5187  		return true
  5188  	}
  5189  	// match: (CSINV [cc] x _ flag)
  5190  	// cond: ccARM64Eval(cc, flag) > 0
  5191  	// result: x
  5192  	for {
  5193  		cc := auxIntToOp(v.AuxInt)
  5194  		x := v_0
  5195  		flag := v_2
  5196  		if !(ccARM64Eval(cc, flag) > 0) {
  5197  			break
  5198  		}
  5199  		v.copyOf(x)
  5200  		return true
  5201  	}
  5202  	// match: (CSINV [cc] _ y flag)
  5203  	// cond: ccARM64Eval(cc, flag) < 0
  5204  	// result: (Not y)
  5205  	for {
  5206  		cc := auxIntToOp(v.AuxInt)
  5207  		y := v_1
  5208  		flag := v_2
  5209  		if !(ccARM64Eval(cc, flag) < 0) {
  5210  			break
  5211  		}
  5212  		v.reset(OpNot)
  5213  		v.AddArg(y)
  5214  		return true
  5215  	}
  5216  	return false
  5217  }
  5218  func rewriteValueARM64_OpARM64CSNEG(v *Value) bool {
  5219  	v_2 := v.Args[2]
  5220  	v_1 := v.Args[1]
  5221  	v_0 := v.Args[0]
  5222  	// match: (CSNEG [cc] x y (InvertFlags cmp))
  5223  	// result: (CSNEG [arm64Invert(cc)] x y cmp)
  5224  	for {
  5225  		cc := auxIntToOp(v.AuxInt)
  5226  		x := v_0
  5227  		y := v_1
  5228  		if v_2.Op != OpARM64InvertFlags {
  5229  			break
  5230  		}
  5231  		cmp := v_2.Args[0]
  5232  		v.reset(OpARM64CSNEG)
  5233  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  5234  		v.AddArg3(x, y, cmp)
  5235  		return true
  5236  	}
  5237  	// match: (CSNEG [cc] x _ flag)
  5238  	// cond: ccARM64Eval(cc, flag) > 0
  5239  	// result: x
  5240  	for {
  5241  		cc := auxIntToOp(v.AuxInt)
  5242  		x := v_0
  5243  		flag := v_2
  5244  		if !(ccARM64Eval(cc, flag) > 0) {
  5245  			break
  5246  		}
  5247  		v.copyOf(x)
  5248  		return true
  5249  	}
  5250  	// match: (CSNEG [cc] _ y flag)
  5251  	// cond: ccARM64Eval(cc, flag) < 0
  5252  	// result: (NEG y)
  5253  	for {
  5254  		cc := auxIntToOp(v.AuxInt)
  5255  		y := v_1
  5256  		flag := v_2
  5257  		if !(ccARM64Eval(cc, flag) < 0) {
  5258  			break
  5259  		}
  5260  		v.reset(OpARM64NEG)
  5261  		v.AddArg(y)
  5262  		return true
  5263  	}
  5264  	return false
  5265  }
  5266  func rewriteValueARM64_OpARM64DIV(v *Value) bool {
  5267  	v_1 := v.Args[1]
  5268  	v_0 := v.Args[0]
  5269  	// match: (DIV (MOVDconst [c]) (MOVDconst [d]))
  5270  	// cond: d != 0
  5271  	// result: (MOVDconst [c/d])
  5272  	for {
  5273  		if v_0.Op != OpARM64MOVDconst {
  5274  			break
  5275  		}
  5276  		c := auxIntToInt64(v_0.AuxInt)
  5277  		if v_1.Op != OpARM64MOVDconst {
  5278  			break
  5279  		}
  5280  		d := auxIntToInt64(v_1.AuxInt)
  5281  		if !(d != 0) {
  5282  			break
  5283  		}
  5284  		v.reset(OpARM64MOVDconst)
  5285  		v.AuxInt = int64ToAuxInt(c / d)
  5286  		return true
  5287  	}
  5288  	return false
  5289  }
  5290  func rewriteValueARM64_OpARM64DIVW(v *Value) bool {
  5291  	v_1 := v.Args[1]
  5292  	v_0 := v.Args[0]
  5293  	// match: (DIVW (MOVDconst [c]) (MOVDconst [d]))
  5294  	// cond: d != 0
  5295  	// result: (MOVDconst [int64(uint32(int32(c)/int32(d)))])
  5296  	for {
  5297  		if v_0.Op != OpARM64MOVDconst {
  5298  			break
  5299  		}
  5300  		c := auxIntToInt64(v_0.AuxInt)
  5301  		if v_1.Op != OpARM64MOVDconst {
  5302  			break
  5303  		}
  5304  		d := auxIntToInt64(v_1.AuxInt)
  5305  		if !(d != 0) {
  5306  			break
  5307  		}
  5308  		v.reset(OpARM64MOVDconst)
  5309  		v.AuxInt = int64ToAuxInt(int64(uint32(int32(c) / int32(d))))
  5310  		return true
  5311  	}
  5312  	return false
  5313  }
  5314  func rewriteValueARM64_OpARM64EON(v *Value) bool {
  5315  	v_1 := v.Args[1]
  5316  	v_0 := v.Args[0]
  5317  	// match: (EON x (MOVDconst [c]))
  5318  	// result: (XORconst [^c] x)
  5319  	for {
  5320  		x := v_0
  5321  		if v_1.Op != OpARM64MOVDconst {
  5322  			break
  5323  		}
  5324  		c := auxIntToInt64(v_1.AuxInt)
  5325  		v.reset(OpARM64XORconst)
  5326  		v.AuxInt = int64ToAuxInt(^c)
  5327  		v.AddArg(x)
  5328  		return true
  5329  	}
  5330  	// match: (EON x x)
  5331  	// result: (MOVDconst [-1])
  5332  	for {
  5333  		x := v_0
  5334  		if x != v_1 {
  5335  			break
  5336  		}
  5337  		v.reset(OpARM64MOVDconst)
  5338  		v.AuxInt = int64ToAuxInt(-1)
  5339  		return true
  5340  	}
  5341  	// match: (EON x0 x1:(SLLconst [c] y))
  5342  	// cond: clobberIfDead(x1)
  5343  	// result: (EONshiftLL x0 y [c])
  5344  	for {
  5345  		x0 := v_0
  5346  		x1 := v_1
  5347  		if x1.Op != OpARM64SLLconst {
  5348  			break
  5349  		}
  5350  		c := auxIntToInt64(x1.AuxInt)
  5351  		y := x1.Args[0]
  5352  		if !(clobberIfDead(x1)) {
  5353  			break
  5354  		}
  5355  		v.reset(OpARM64EONshiftLL)
  5356  		v.AuxInt = int64ToAuxInt(c)
  5357  		v.AddArg2(x0, y)
  5358  		return true
  5359  	}
  5360  	// match: (EON x0 x1:(SRLconst [c] y))
  5361  	// cond: clobberIfDead(x1)
  5362  	// result: (EONshiftRL x0 y [c])
  5363  	for {
  5364  		x0 := v_0
  5365  		x1 := v_1
  5366  		if x1.Op != OpARM64SRLconst {
  5367  			break
  5368  		}
  5369  		c := auxIntToInt64(x1.AuxInt)
  5370  		y := x1.Args[0]
  5371  		if !(clobberIfDead(x1)) {
  5372  			break
  5373  		}
  5374  		v.reset(OpARM64EONshiftRL)
  5375  		v.AuxInt = int64ToAuxInt(c)
  5376  		v.AddArg2(x0, y)
  5377  		return true
  5378  	}
  5379  	// match: (EON x0 x1:(SRAconst [c] y))
  5380  	// cond: clobberIfDead(x1)
  5381  	// result: (EONshiftRA x0 y [c])
  5382  	for {
  5383  		x0 := v_0
  5384  		x1 := v_1
  5385  		if x1.Op != OpARM64SRAconst {
  5386  			break
  5387  		}
  5388  		c := auxIntToInt64(x1.AuxInt)
  5389  		y := x1.Args[0]
  5390  		if !(clobberIfDead(x1)) {
  5391  			break
  5392  		}
  5393  		v.reset(OpARM64EONshiftRA)
  5394  		v.AuxInt = int64ToAuxInt(c)
  5395  		v.AddArg2(x0, y)
  5396  		return true
  5397  	}
  5398  	// match: (EON x0 x1:(RORconst [c] y))
  5399  	// cond: clobberIfDead(x1)
  5400  	// result: (EONshiftRO x0 y [c])
  5401  	for {
  5402  		x0 := v_0
  5403  		x1 := v_1
  5404  		if x1.Op != OpARM64RORconst {
  5405  			break
  5406  		}
  5407  		c := auxIntToInt64(x1.AuxInt)
  5408  		y := x1.Args[0]
  5409  		if !(clobberIfDead(x1)) {
  5410  			break
  5411  		}
  5412  		v.reset(OpARM64EONshiftRO)
  5413  		v.AuxInt = int64ToAuxInt(c)
  5414  		v.AddArg2(x0, y)
  5415  		return true
  5416  	}
  5417  	return false
  5418  }
  5419  func rewriteValueARM64_OpARM64EONshiftLL(v *Value) bool {
  5420  	v_1 := v.Args[1]
  5421  	v_0 := v.Args[0]
  5422  	// match: (EONshiftLL x (MOVDconst [c]) [d])
  5423  	// result: (XORconst x [^int64(uint64(c)<<uint64(d))])
  5424  	for {
  5425  		d := auxIntToInt64(v.AuxInt)
  5426  		x := v_0
  5427  		if v_1.Op != OpARM64MOVDconst {
  5428  			break
  5429  		}
  5430  		c := auxIntToInt64(v_1.AuxInt)
  5431  		v.reset(OpARM64XORconst)
  5432  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
  5433  		v.AddArg(x)
  5434  		return true
  5435  	}
  5436  	// match: (EONshiftLL (SLLconst x [c]) x [c])
  5437  	// result: (MOVDconst [-1])
  5438  	for {
  5439  		c := auxIntToInt64(v.AuxInt)
  5440  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
  5441  			break
  5442  		}
  5443  		x := v_0.Args[0]
  5444  		if x != v_1 {
  5445  			break
  5446  		}
  5447  		v.reset(OpARM64MOVDconst)
  5448  		v.AuxInt = int64ToAuxInt(-1)
  5449  		return true
  5450  	}
  5451  	return false
  5452  }
  5453  func rewriteValueARM64_OpARM64EONshiftRA(v *Value) bool {
  5454  	v_1 := v.Args[1]
  5455  	v_0 := v.Args[0]
  5456  	// match: (EONshiftRA x (MOVDconst [c]) [d])
  5457  	// result: (XORconst x [^(c>>uint64(d))])
  5458  	for {
  5459  		d := auxIntToInt64(v.AuxInt)
  5460  		x := v_0
  5461  		if v_1.Op != OpARM64MOVDconst {
  5462  			break
  5463  		}
  5464  		c := auxIntToInt64(v_1.AuxInt)
  5465  		v.reset(OpARM64XORconst)
  5466  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
  5467  		v.AddArg(x)
  5468  		return true
  5469  	}
  5470  	// match: (EONshiftRA (SRAconst x [c]) x [c])
  5471  	// result: (MOVDconst [-1])
  5472  	for {
  5473  		c := auxIntToInt64(v.AuxInt)
  5474  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
  5475  			break
  5476  		}
  5477  		x := v_0.Args[0]
  5478  		if x != v_1 {
  5479  			break
  5480  		}
  5481  		v.reset(OpARM64MOVDconst)
  5482  		v.AuxInt = int64ToAuxInt(-1)
  5483  		return true
  5484  	}
  5485  	return false
  5486  }
  5487  func rewriteValueARM64_OpARM64EONshiftRL(v *Value) bool {
  5488  	v_1 := v.Args[1]
  5489  	v_0 := v.Args[0]
  5490  	// match: (EONshiftRL x (MOVDconst [c]) [d])
  5491  	// result: (XORconst x [^int64(uint64(c)>>uint64(d))])
  5492  	for {
  5493  		d := auxIntToInt64(v.AuxInt)
  5494  		x := v_0
  5495  		if v_1.Op != OpARM64MOVDconst {
  5496  			break
  5497  		}
  5498  		c := auxIntToInt64(v_1.AuxInt)
  5499  		v.reset(OpARM64XORconst)
  5500  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
  5501  		v.AddArg(x)
  5502  		return true
  5503  	}
  5504  	// match: (EONshiftRL (SRLconst x [c]) x [c])
  5505  	// result: (MOVDconst [-1])
  5506  	for {
  5507  		c := auxIntToInt64(v.AuxInt)
  5508  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
  5509  			break
  5510  		}
  5511  		x := v_0.Args[0]
  5512  		if x != v_1 {
  5513  			break
  5514  		}
  5515  		v.reset(OpARM64MOVDconst)
  5516  		v.AuxInt = int64ToAuxInt(-1)
  5517  		return true
  5518  	}
  5519  	return false
  5520  }
  5521  func rewriteValueARM64_OpARM64EONshiftRO(v *Value) bool {
  5522  	v_1 := v.Args[1]
  5523  	v_0 := v.Args[0]
  5524  	// match: (EONshiftRO x (MOVDconst [c]) [d])
  5525  	// result: (XORconst x [^rotateRight64(c, d)])
  5526  	for {
  5527  		d := auxIntToInt64(v.AuxInt)
  5528  		x := v_0
  5529  		if v_1.Op != OpARM64MOVDconst {
  5530  			break
  5531  		}
  5532  		c := auxIntToInt64(v_1.AuxInt)
  5533  		v.reset(OpARM64XORconst)
  5534  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
  5535  		v.AddArg(x)
  5536  		return true
  5537  	}
  5538  	// match: (EONshiftRO (RORconst x [c]) x [c])
  5539  	// result: (MOVDconst [-1])
  5540  	for {
  5541  		c := auxIntToInt64(v.AuxInt)
  5542  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
  5543  			break
  5544  		}
  5545  		x := v_0.Args[0]
  5546  		if x != v_1 {
  5547  			break
  5548  		}
  5549  		v.reset(OpARM64MOVDconst)
  5550  		v.AuxInt = int64ToAuxInt(-1)
  5551  		return true
  5552  	}
  5553  	return false
  5554  }
  5555  func rewriteValueARM64_OpARM64Equal(v *Value) bool {
  5556  	v_0 := v.Args[0]
  5557  	b := v.Block
  5558  	// match: (Equal (CMPconst [0] z:(AND x y)))
  5559  	// cond: z.Uses == 1
  5560  	// result: (Equal (TST x y))
  5561  	for {
  5562  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5563  			break
  5564  		}
  5565  		z := v_0.Args[0]
  5566  		if z.Op != OpARM64AND {
  5567  			break
  5568  		}
  5569  		y := z.Args[1]
  5570  		x := z.Args[0]
  5571  		if !(z.Uses == 1) {
  5572  			break
  5573  		}
  5574  		v.reset(OpARM64Equal)
  5575  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  5576  		v0.AddArg2(x, y)
  5577  		v.AddArg(v0)
  5578  		return true
  5579  	}
  5580  	// match: (Equal (CMPWconst [0] x:(ANDconst [c] y)))
  5581  	// cond: x.Uses == 1
  5582  	// result: (Equal (TSTWconst [int32(c)] y))
  5583  	for {
  5584  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5585  			break
  5586  		}
  5587  		x := v_0.Args[0]
  5588  		if x.Op != OpARM64ANDconst {
  5589  			break
  5590  		}
  5591  		c := auxIntToInt64(x.AuxInt)
  5592  		y := x.Args[0]
  5593  		if !(x.Uses == 1) {
  5594  			break
  5595  		}
  5596  		v.reset(OpARM64Equal)
  5597  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  5598  		v0.AuxInt = int32ToAuxInt(int32(c))
  5599  		v0.AddArg(y)
  5600  		v.AddArg(v0)
  5601  		return true
  5602  	}
  5603  	// match: (Equal (CMPWconst [0] z:(AND x y)))
  5604  	// cond: z.Uses == 1
  5605  	// result: (Equal (TSTW x y))
  5606  	for {
  5607  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5608  			break
  5609  		}
  5610  		z := v_0.Args[0]
  5611  		if z.Op != OpARM64AND {
  5612  			break
  5613  		}
  5614  		y := z.Args[1]
  5615  		x := z.Args[0]
  5616  		if !(z.Uses == 1) {
  5617  			break
  5618  		}
  5619  		v.reset(OpARM64Equal)
  5620  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  5621  		v0.AddArg2(x, y)
  5622  		v.AddArg(v0)
  5623  		return true
  5624  	}
  5625  	// match: (Equal (CMPconst [0] x:(ANDconst [c] y)))
  5626  	// cond: x.Uses == 1
  5627  	// result: (Equal (TSTconst [c] y))
  5628  	for {
  5629  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5630  			break
  5631  		}
  5632  		x := v_0.Args[0]
  5633  		if x.Op != OpARM64ANDconst {
  5634  			break
  5635  		}
  5636  		c := auxIntToInt64(x.AuxInt)
  5637  		y := x.Args[0]
  5638  		if !(x.Uses == 1) {
  5639  			break
  5640  		}
  5641  		v.reset(OpARM64Equal)
  5642  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  5643  		v0.AuxInt = int64ToAuxInt(c)
  5644  		v0.AddArg(y)
  5645  		v.AddArg(v0)
  5646  		return true
  5647  	}
  5648  	// match: (Equal (CMP x z:(NEG y)))
  5649  	// cond: z.Uses == 1
  5650  	// result: (Equal (CMN x y))
  5651  	for {
  5652  		if v_0.Op != OpARM64CMP {
  5653  			break
  5654  		}
  5655  		_ = v_0.Args[1]
  5656  		x := v_0.Args[0]
  5657  		z := v_0.Args[1]
  5658  		if z.Op != OpARM64NEG {
  5659  			break
  5660  		}
  5661  		y := z.Args[0]
  5662  		if !(z.Uses == 1) {
  5663  			break
  5664  		}
  5665  		v.reset(OpARM64Equal)
  5666  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  5667  		v0.AddArg2(x, y)
  5668  		v.AddArg(v0)
  5669  		return true
  5670  	}
  5671  	// match: (Equal (CMPW x z:(NEG y)))
  5672  	// cond: z.Uses == 1
  5673  	// result: (Equal (CMNW x y))
  5674  	for {
  5675  		if v_0.Op != OpARM64CMPW {
  5676  			break
  5677  		}
  5678  		_ = v_0.Args[1]
  5679  		x := v_0.Args[0]
  5680  		z := v_0.Args[1]
  5681  		if z.Op != OpARM64NEG {
  5682  			break
  5683  		}
  5684  		y := z.Args[0]
  5685  		if !(z.Uses == 1) {
  5686  			break
  5687  		}
  5688  		v.reset(OpARM64Equal)
  5689  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  5690  		v0.AddArg2(x, y)
  5691  		v.AddArg(v0)
  5692  		return true
  5693  	}
  5694  	// match: (Equal (CMPconst [0] x:(ADDconst [c] y)))
  5695  	// cond: x.Uses == 1
  5696  	// result: (Equal (CMNconst [c] y))
  5697  	for {
  5698  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5699  			break
  5700  		}
  5701  		x := v_0.Args[0]
  5702  		if x.Op != OpARM64ADDconst {
  5703  			break
  5704  		}
  5705  		c := auxIntToInt64(x.AuxInt)
  5706  		y := x.Args[0]
  5707  		if !(x.Uses == 1) {
  5708  			break
  5709  		}
  5710  		v.reset(OpARM64Equal)
  5711  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  5712  		v0.AuxInt = int64ToAuxInt(c)
  5713  		v0.AddArg(y)
  5714  		v.AddArg(v0)
  5715  		return true
  5716  	}
  5717  	// match: (Equal (CMPWconst [0] x:(ADDconst [c] y)))
  5718  	// cond: x.Uses == 1
  5719  	// result: (Equal (CMNWconst [int32(c)] y))
  5720  	for {
  5721  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5722  			break
  5723  		}
  5724  		x := v_0.Args[0]
  5725  		if x.Op != OpARM64ADDconst {
  5726  			break
  5727  		}
  5728  		c := auxIntToInt64(x.AuxInt)
  5729  		y := x.Args[0]
  5730  		if !(x.Uses == 1) {
  5731  			break
  5732  		}
  5733  		v.reset(OpARM64Equal)
  5734  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  5735  		v0.AuxInt = int32ToAuxInt(int32(c))
  5736  		v0.AddArg(y)
  5737  		v.AddArg(v0)
  5738  		return true
  5739  	}
  5740  	// match: (Equal (CMPconst [0] z:(ADD x y)))
  5741  	// cond: z.Uses == 1
  5742  	// result: (Equal (CMN x y))
  5743  	for {
  5744  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5745  			break
  5746  		}
  5747  		z := v_0.Args[0]
  5748  		if z.Op != OpARM64ADD {
  5749  			break
  5750  		}
  5751  		y := z.Args[1]
  5752  		x := z.Args[0]
  5753  		if !(z.Uses == 1) {
  5754  			break
  5755  		}
  5756  		v.reset(OpARM64Equal)
  5757  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  5758  		v0.AddArg2(x, y)
  5759  		v.AddArg(v0)
  5760  		return true
  5761  	}
  5762  	// match: (Equal (CMPWconst [0] z:(ADD x y)))
  5763  	// cond: z.Uses == 1
  5764  	// result: (Equal (CMNW x y))
  5765  	for {
  5766  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5767  			break
  5768  		}
  5769  		z := v_0.Args[0]
  5770  		if z.Op != OpARM64ADD {
  5771  			break
  5772  		}
  5773  		y := z.Args[1]
  5774  		x := z.Args[0]
  5775  		if !(z.Uses == 1) {
  5776  			break
  5777  		}
  5778  		v.reset(OpARM64Equal)
  5779  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  5780  		v0.AddArg2(x, y)
  5781  		v.AddArg(v0)
  5782  		return true
  5783  	}
  5784  	// match: (Equal (CMPconst [0] z:(MADD a x y)))
  5785  	// cond: z.Uses == 1
  5786  	// result: (Equal (CMN a (MUL <x.Type> x y)))
  5787  	for {
  5788  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5789  			break
  5790  		}
  5791  		z := v_0.Args[0]
  5792  		if z.Op != OpARM64MADD {
  5793  			break
  5794  		}
  5795  		y := z.Args[2]
  5796  		a := z.Args[0]
  5797  		x := z.Args[1]
  5798  		if !(z.Uses == 1) {
  5799  			break
  5800  		}
  5801  		v.reset(OpARM64Equal)
  5802  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  5803  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  5804  		v1.AddArg2(x, y)
  5805  		v0.AddArg2(a, v1)
  5806  		v.AddArg(v0)
  5807  		return true
  5808  	}
  5809  	// match: (Equal (CMPWconst [0] z:(MADDW a x y)))
  5810  	// cond: z.Uses == 1
  5811  	// result: (Equal (CMNW a (MULW <x.Type> x y)))
  5812  	for {
  5813  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5814  			break
  5815  		}
  5816  		z := v_0.Args[0]
  5817  		if z.Op != OpARM64MADDW {
  5818  			break
  5819  		}
  5820  		y := z.Args[2]
  5821  		a := z.Args[0]
  5822  		x := z.Args[1]
  5823  		if !(z.Uses == 1) {
  5824  			break
  5825  		}
  5826  		v.reset(OpARM64Equal)
  5827  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  5828  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  5829  		v1.AddArg2(x, y)
  5830  		v0.AddArg2(a, v1)
  5831  		v.AddArg(v0)
  5832  		return true
  5833  	}
  5834  	// match: (Equal (CMPconst [0] z:(MSUB a x y)))
  5835  	// cond: z.Uses == 1
  5836  	// result: (Equal (CMP a (MUL <x.Type> x y)))
  5837  	for {
  5838  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5839  			break
  5840  		}
  5841  		z := v_0.Args[0]
  5842  		if z.Op != OpARM64MSUB {
  5843  			break
  5844  		}
  5845  		y := z.Args[2]
  5846  		a := z.Args[0]
  5847  		x := z.Args[1]
  5848  		if !(z.Uses == 1) {
  5849  			break
  5850  		}
  5851  		v.reset(OpARM64Equal)
  5852  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  5853  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  5854  		v1.AddArg2(x, y)
  5855  		v0.AddArg2(a, v1)
  5856  		v.AddArg(v0)
  5857  		return true
  5858  	}
  5859  	// match: (Equal (CMPWconst [0] z:(MSUBW a x y)))
  5860  	// cond: z.Uses == 1
  5861  	// result: (Equal (CMPW a (MULW <x.Type> x y)))
  5862  	for {
  5863  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5864  			break
  5865  		}
  5866  		z := v_0.Args[0]
  5867  		if z.Op != OpARM64MSUBW {
  5868  			break
  5869  		}
  5870  		y := z.Args[2]
  5871  		a := z.Args[0]
  5872  		x := z.Args[1]
  5873  		if !(z.Uses == 1) {
  5874  			break
  5875  		}
  5876  		v.reset(OpARM64Equal)
  5877  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  5878  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  5879  		v1.AddArg2(x, y)
  5880  		v0.AddArg2(a, v1)
  5881  		v.AddArg(v0)
  5882  		return true
  5883  	}
  5884  	// match: (Equal (FlagConstant [fc]))
  5885  	// result: (MOVDconst [b2i(fc.eq())])
  5886  	for {
  5887  		if v_0.Op != OpARM64FlagConstant {
  5888  			break
  5889  		}
  5890  		fc := auxIntToFlagConstant(v_0.AuxInt)
  5891  		v.reset(OpARM64MOVDconst)
  5892  		v.AuxInt = int64ToAuxInt(b2i(fc.eq()))
  5893  		return true
  5894  	}
  5895  	// match: (Equal (InvertFlags x))
  5896  	// result: (Equal x)
  5897  	for {
  5898  		if v_0.Op != OpARM64InvertFlags {
  5899  			break
  5900  		}
  5901  		x := v_0.Args[0]
  5902  		v.reset(OpARM64Equal)
  5903  		v.AddArg(x)
  5904  		return true
  5905  	}
  5906  	return false
  5907  }
  5908  func rewriteValueARM64_OpARM64FADDD(v *Value) bool {
  5909  	v_1 := v.Args[1]
  5910  	v_0 := v.Args[0]
  5911  	// match: (FADDD a (FMULD x y))
  5912  	// cond: a.Block.Func.useFMA(v)
  5913  	// result: (FMADDD a x y)
  5914  	for {
  5915  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5916  			a := v_0
  5917  			if v_1.Op != OpARM64FMULD {
  5918  				continue
  5919  			}
  5920  			y := v_1.Args[1]
  5921  			x := v_1.Args[0]
  5922  			if !(a.Block.Func.useFMA(v)) {
  5923  				continue
  5924  			}
  5925  			v.reset(OpARM64FMADDD)
  5926  			v.AddArg3(a, x, y)
  5927  			return true
  5928  		}
  5929  		break
  5930  	}
  5931  	// match: (FADDD a (FNMULD x y))
  5932  	// cond: a.Block.Func.useFMA(v)
  5933  	// result: (FMSUBD a x y)
  5934  	for {
  5935  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5936  			a := v_0
  5937  			if v_1.Op != OpARM64FNMULD {
  5938  				continue
  5939  			}
  5940  			y := v_1.Args[1]
  5941  			x := v_1.Args[0]
  5942  			if !(a.Block.Func.useFMA(v)) {
  5943  				continue
  5944  			}
  5945  			v.reset(OpARM64FMSUBD)
  5946  			v.AddArg3(a, x, y)
  5947  			return true
  5948  		}
  5949  		break
  5950  	}
  5951  	return false
  5952  }
  5953  func rewriteValueARM64_OpARM64FADDS(v *Value) bool {
  5954  	v_1 := v.Args[1]
  5955  	v_0 := v.Args[0]
  5956  	// match: (FADDS a (FMULS x y))
  5957  	// cond: a.Block.Func.useFMA(v)
  5958  	// result: (FMADDS a x y)
  5959  	for {
  5960  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5961  			a := v_0
  5962  			if v_1.Op != OpARM64FMULS {
  5963  				continue
  5964  			}
  5965  			y := v_1.Args[1]
  5966  			x := v_1.Args[0]
  5967  			if !(a.Block.Func.useFMA(v)) {
  5968  				continue
  5969  			}
  5970  			v.reset(OpARM64FMADDS)
  5971  			v.AddArg3(a, x, y)
  5972  			return true
  5973  		}
  5974  		break
  5975  	}
  5976  	// match: (FADDS a (FNMULS x y))
  5977  	// cond: a.Block.Func.useFMA(v)
  5978  	// result: (FMSUBS a x y)
  5979  	for {
  5980  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5981  			a := v_0
  5982  			if v_1.Op != OpARM64FNMULS {
  5983  				continue
  5984  			}
  5985  			y := v_1.Args[1]
  5986  			x := v_1.Args[0]
  5987  			if !(a.Block.Func.useFMA(v)) {
  5988  				continue
  5989  			}
  5990  			v.reset(OpARM64FMSUBS)
  5991  			v.AddArg3(a, x, y)
  5992  			return true
  5993  		}
  5994  		break
  5995  	}
  5996  	return false
  5997  }
  5998  func rewriteValueARM64_OpARM64FCMPD(v *Value) bool {
  5999  	v_1 := v.Args[1]
  6000  	v_0 := v.Args[0]
  6001  	b := v.Block
  6002  	// match: (FCMPD x (FMOVDconst [0]))
  6003  	// result: (FCMPD0 x)
  6004  	for {
  6005  		x := v_0
  6006  		if v_1.Op != OpARM64FMOVDconst || auxIntToFloat64(v_1.AuxInt) != 0 {
  6007  			break
  6008  		}
  6009  		v.reset(OpARM64FCMPD0)
  6010  		v.AddArg(x)
  6011  		return true
  6012  	}
  6013  	// match: (FCMPD (FMOVDconst [0]) x)
  6014  	// result: (InvertFlags (FCMPD0 x))
  6015  	for {
  6016  		if v_0.Op != OpARM64FMOVDconst || auxIntToFloat64(v_0.AuxInt) != 0 {
  6017  			break
  6018  		}
  6019  		x := v_1
  6020  		v.reset(OpARM64InvertFlags)
  6021  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD0, types.TypeFlags)
  6022  		v0.AddArg(x)
  6023  		v.AddArg(v0)
  6024  		return true
  6025  	}
  6026  	return false
  6027  }
  6028  func rewriteValueARM64_OpARM64FCMPS(v *Value) bool {
  6029  	v_1 := v.Args[1]
  6030  	v_0 := v.Args[0]
  6031  	b := v.Block
  6032  	// match: (FCMPS x (FMOVSconst [0]))
  6033  	// result: (FCMPS0 x)
  6034  	for {
  6035  		x := v_0
  6036  		if v_1.Op != OpARM64FMOVSconst || auxIntToFloat64(v_1.AuxInt) != 0 {
  6037  			break
  6038  		}
  6039  		v.reset(OpARM64FCMPS0)
  6040  		v.AddArg(x)
  6041  		return true
  6042  	}
  6043  	// match: (FCMPS (FMOVSconst [0]) x)
  6044  	// result: (InvertFlags (FCMPS0 x))
  6045  	for {
  6046  		if v_0.Op != OpARM64FMOVSconst || auxIntToFloat64(v_0.AuxInt) != 0 {
  6047  			break
  6048  		}
  6049  		x := v_1
  6050  		v.reset(OpARM64InvertFlags)
  6051  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS0, types.TypeFlags)
  6052  		v0.AddArg(x)
  6053  		v.AddArg(v0)
  6054  		return true
  6055  	}
  6056  	return false
  6057  }
  6058  func rewriteValueARM64_OpARM64FCSELD(v *Value) bool {
  6059  	v_2 := v.Args[2]
  6060  	v_1 := v.Args[1]
  6061  	v_0 := v.Args[0]
  6062  	// match: (FCSELD [cc] x y (InvertFlags cmp))
  6063  	// result: (FCSELD [arm64Invert(cc)] x y cmp)
  6064  	for {
  6065  		cc := auxIntToOp(v.AuxInt)
  6066  		x := v_0
  6067  		y := v_1
  6068  		if v_2.Op != OpARM64InvertFlags {
  6069  			break
  6070  		}
  6071  		cmp := v_2.Args[0]
  6072  		v.reset(OpARM64FCSELD)
  6073  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  6074  		v.AddArg3(x, y, cmp)
  6075  		return true
  6076  	}
  6077  	return false
  6078  }
  6079  func rewriteValueARM64_OpARM64FCSELS(v *Value) bool {
  6080  	v_2 := v.Args[2]
  6081  	v_1 := v.Args[1]
  6082  	v_0 := v.Args[0]
  6083  	// match: (FCSELS [cc] x y (InvertFlags cmp))
  6084  	// result: (FCSELS [arm64Invert(cc)] x y cmp)
  6085  	for {
  6086  		cc := auxIntToOp(v.AuxInt)
  6087  		x := v_0
  6088  		y := v_1
  6089  		if v_2.Op != OpARM64InvertFlags {
  6090  			break
  6091  		}
  6092  		cmp := v_2.Args[0]
  6093  		v.reset(OpARM64FCSELS)
  6094  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  6095  		v.AddArg3(x, y, cmp)
  6096  		return true
  6097  	}
  6098  	return false
  6099  }
  6100  func rewriteValueARM64_OpARM64FCVTDS(v *Value) bool {
  6101  	v_0 := v.Args[0]
  6102  	// match: (FCVTDS (FABSD (FCVTSD x)))
  6103  	// result: (FABSS x)
  6104  	for {
  6105  		if v_0.Op != OpARM64FABSD {
  6106  			break
  6107  		}
  6108  		v_0_0 := v_0.Args[0]
  6109  		if v_0_0.Op != OpARM64FCVTSD {
  6110  			break
  6111  		}
  6112  		x := v_0_0.Args[0]
  6113  		v.reset(OpARM64FABSS)
  6114  		v.AddArg(x)
  6115  		return true
  6116  	}
  6117  	// match: (FCVTDS (FSQRTD (FCVTSD x)))
  6118  	// result: (FSQRTS x)
  6119  	for {
  6120  		if v_0.Op != OpARM64FSQRTD {
  6121  			break
  6122  		}
  6123  		v_0_0 := v_0.Args[0]
  6124  		if v_0_0.Op != OpARM64FCVTSD {
  6125  			break
  6126  		}
  6127  		x := v_0_0.Args[0]
  6128  		v.reset(OpARM64FSQRTS)
  6129  		v.AddArg(x)
  6130  		return true
  6131  	}
  6132  	// match: (FCVTDS (FRINTPD (FCVTSD x)))
  6133  	// result: (FRINTPS x)
  6134  	for {
  6135  		if v_0.Op != OpARM64FRINTPD {
  6136  			break
  6137  		}
  6138  		v_0_0 := v_0.Args[0]
  6139  		if v_0_0.Op != OpARM64FCVTSD {
  6140  			break
  6141  		}
  6142  		x := v_0_0.Args[0]
  6143  		v.reset(OpARM64FRINTPS)
  6144  		v.AddArg(x)
  6145  		return true
  6146  	}
  6147  	// match: (FCVTDS (FRINTMD (FCVTSD x)))
  6148  	// result: (FRINTMS x)
  6149  	for {
  6150  		if v_0.Op != OpARM64FRINTMD {
  6151  			break
  6152  		}
  6153  		v_0_0 := v_0.Args[0]
  6154  		if v_0_0.Op != OpARM64FCVTSD {
  6155  			break
  6156  		}
  6157  		x := v_0_0.Args[0]
  6158  		v.reset(OpARM64FRINTMS)
  6159  		v.AddArg(x)
  6160  		return true
  6161  	}
  6162  	// match: (FCVTDS (FRINTAD (FCVTSD x)))
  6163  	// result: (FRINTAS x)
  6164  	for {
  6165  		if v_0.Op != OpARM64FRINTAD {
  6166  			break
  6167  		}
  6168  		v_0_0 := v_0.Args[0]
  6169  		if v_0_0.Op != OpARM64FCVTSD {
  6170  			break
  6171  		}
  6172  		x := v_0_0.Args[0]
  6173  		v.reset(OpARM64FRINTAS)
  6174  		v.AddArg(x)
  6175  		return true
  6176  	}
  6177  	// match: (FCVTDS (FRINTND (FCVTSD x)))
  6178  	// result: (FRINTNS x)
  6179  	for {
  6180  		if v_0.Op != OpARM64FRINTND {
  6181  			break
  6182  		}
  6183  		v_0_0 := v_0.Args[0]
  6184  		if v_0_0.Op != OpARM64FCVTSD {
  6185  			break
  6186  		}
  6187  		x := v_0_0.Args[0]
  6188  		v.reset(OpARM64FRINTNS)
  6189  		v.AddArg(x)
  6190  		return true
  6191  	}
  6192  	// match: (FCVTDS (FRINTZD (FCVTSD x)))
  6193  	// result: (FRINTZS x)
  6194  	for {
  6195  		if v_0.Op != OpARM64FRINTZD {
  6196  			break
  6197  		}
  6198  		v_0_0 := v_0.Args[0]
  6199  		if v_0_0.Op != OpARM64FCVTSD {
  6200  			break
  6201  		}
  6202  		x := v_0_0.Args[0]
  6203  		v.reset(OpARM64FRINTZS)
  6204  		v.AddArg(x)
  6205  		return true
  6206  	}
  6207  	return false
  6208  }
  6209  func rewriteValueARM64_OpARM64FLDPQ(v *Value) bool {
  6210  	v_1 := v.Args[1]
  6211  	v_0 := v.Args[0]
  6212  	b := v.Block
  6213  	config := b.Func.Config
  6214  	// match: (FLDPQ [off1] {sym} (ADDconst [off2] ptr) mem)
  6215  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6216  	// result: (FLDPQ [off1+int32(off2)] {sym} ptr mem)
  6217  	for {
  6218  		off1 := auxIntToInt32(v.AuxInt)
  6219  		sym := auxToSym(v.Aux)
  6220  		if v_0.Op != OpARM64ADDconst {
  6221  			break
  6222  		}
  6223  		off2 := auxIntToInt64(v_0.AuxInt)
  6224  		ptr := v_0.Args[0]
  6225  		mem := v_1
  6226  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6227  			break
  6228  		}
  6229  		v.reset(OpARM64FLDPQ)
  6230  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6231  		v.Aux = symToAux(sym)
  6232  		v.AddArg2(ptr, mem)
  6233  		return true
  6234  	}
  6235  	// match: (FLDPQ [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  6236  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6237  	// result: (FLDPQ [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  6238  	for {
  6239  		off1 := auxIntToInt32(v.AuxInt)
  6240  		sym1 := auxToSym(v.Aux)
  6241  		if v_0.Op != OpARM64MOVDaddr {
  6242  			break
  6243  		}
  6244  		off2 := auxIntToInt32(v_0.AuxInt)
  6245  		sym2 := auxToSym(v_0.Aux)
  6246  		ptr := v_0.Args[0]
  6247  		mem := v_1
  6248  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6249  			break
  6250  		}
  6251  		v.reset(OpARM64FLDPQ)
  6252  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6253  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6254  		v.AddArg2(ptr, mem)
  6255  		return true
  6256  	}
  6257  	return false
  6258  }
  6259  func rewriteValueARM64_OpARM64FMOVDfpgp(v *Value) bool {
  6260  	v_0 := v.Args[0]
  6261  	b := v.Block
  6262  	// match: (FMOVDfpgp <t> (Arg [off] {sym}))
  6263  	// result: @b.Func.Entry (Arg <t> [off] {sym})
  6264  	for {
  6265  		t := v.Type
  6266  		if v_0.Op != OpArg {
  6267  			break
  6268  		}
  6269  		off := auxIntToInt32(v_0.AuxInt)
  6270  		sym := auxToSym(v_0.Aux)
  6271  		b = b.Func.Entry
  6272  		v0 := b.NewValue0(v.Pos, OpArg, t)
  6273  		v.copyOf(v0)
  6274  		v0.AuxInt = int32ToAuxInt(off)
  6275  		v0.Aux = symToAux(sym)
  6276  		return true
  6277  	}
  6278  	return false
  6279  }
  6280  func rewriteValueARM64_OpARM64FMOVDgpfp(v *Value) bool {
  6281  	v_0 := v.Args[0]
  6282  	b := v.Block
  6283  	// match: (FMOVDgpfp <t> (Arg [off] {sym}))
  6284  	// result: @b.Func.Entry (Arg <t> [off] {sym})
  6285  	for {
  6286  		t := v.Type
  6287  		if v_0.Op != OpArg {
  6288  			break
  6289  		}
  6290  		off := auxIntToInt32(v_0.AuxInt)
  6291  		sym := auxToSym(v_0.Aux)
  6292  		b = b.Func.Entry
  6293  		v0 := b.NewValue0(v.Pos, OpArg, t)
  6294  		v.copyOf(v0)
  6295  		v0.AuxInt = int32ToAuxInt(off)
  6296  		v0.Aux = symToAux(sym)
  6297  		return true
  6298  	}
  6299  	return false
  6300  }
  6301  func rewriteValueARM64_OpARM64FMOVDload(v *Value) bool {
  6302  	v_1 := v.Args[1]
  6303  	v_0 := v.Args[0]
  6304  	b := v.Block
  6305  	config := b.Func.Config
  6306  	// match: (FMOVDload [off] {sym} ptr (MOVDstore [off] {sym} ptr val _))
  6307  	// result: (FMOVDgpfp val)
  6308  	for {
  6309  		off := auxIntToInt32(v.AuxInt)
  6310  		sym := auxToSym(v.Aux)
  6311  		ptr := v_0
  6312  		if v_1.Op != OpARM64MOVDstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  6313  			break
  6314  		}
  6315  		val := v_1.Args[1]
  6316  		if ptr != v_1.Args[0] {
  6317  			break
  6318  		}
  6319  		v.reset(OpARM64FMOVDgpfp)
  6320  		v.AddArg(val)
  6321  		return true
  6322  	}
  6323  	// match: (FMOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
  6324  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6325  	// result: (FMOVDload [off1+int32(off2)] {sym} ptr mem)
  6326  	for {
  6327  		off1 := auxIntToInt32(v.AuxInt)
  6328  		sym := auxToSym(v.Aux)
  6329  		if v_0.Op != OpARM64ADDconst {
  6330  			break
  6331  		}
  6332  		off2 := auxIntToInt64(v_0.AuxInt)
  6333  		ptr := v_0.Args[0]
  6334  		mem := v_1
  6335  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6336  			break
  6337  		}
  6338  		v.reset(OpARM64FMOVDload)
  6339  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6340  		v.Aux = symToAux(sym)
  6341  		v.AddArg2(ptr, mem)
  6342  		return true
  6343  	}
  6344  	// match: (FMOVDload [off] {sym} (ADD ptr idx) mem)
  6345  	// cond: off == 0 && sym == nil
  6346  	// result: (FMOVDloadidx ptr idx mem)
  6347  	for {
  6348  		off := auxIntToInt32(v.AuxInt)
  6349  		sym := auxToSym(v.Aux)
  6350  		if v_0.Op != OpARM64ADD {
  6351  			break
  6352  		}
  6353  		idx := v_0.Args[1]
  6354  		ptr := v_0.Args[0]
  6355  		mem := v_1
  6356  		if !(off == 0 && sym == nil) {
  6357  			break
  6358  		}
  6359  		v.reset(OpARM64FMOVDloadidx)
  6360  		v.AddArg3(ptr, idx, mem)
  6361  		return true
  6362  	}
  6363  	// match: (FMOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem)
  6364  	// cond: off == 0 && sym == nil
  6365  	// result: (FMOVDloadidx8 ptr idx mem)
  6366  	for {
  6367  		off := auxIntToInt32(v.AuxInt)
  6368  		sym := auxToSym(v.Aux)
  6369  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  6370  			break
  6371  		}
  6372  		idx := v_0.Args[1]
  6373  		ptr := v_0.Args[0]
  6374  		mem := v_1
  6375  		if !(off == 0 && sym == nil) {
  6376  			break
  6377  		}
  6378  		v.reset(OpARM64FMOVDloadidx8)
  6379  		v.AddArg3(ptr, idx, mem)
  6380  		return true
  6381  	}
  6382  	// match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  6383  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6384  	// result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  6385  	for {
  6386  		off1 := auxIntToInt32(v.AuxInt)
  6387  		sym1 := auxToSym(v.Aux)
  6388  		if v_0.Op != OpARM64MOVDaddr {
  6389  			break
  6390  		}
  6391  		off2 := auxIntToInt32(v_0.AuxInt)
  6392  		sym2 := auxToSym(v_0.Aux)
  6393  		ptr := v_0.Args[0]
  6394  		mem := v_1
  6395  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6396  			break
  6397  		}
  6398  		v.reset(OpARM64FMOVDload)
  6399  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6400  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6401  		v.AddArg2(ptr, mem)
  6402  		return true
  6403  	}
  6404  	return false
  6405  }
  6406  func rewriteValueARM64_OpARM64FMOVDloadidx(v *Value) bool {
  6407  	v_2 := v.Args[2]
  6408  	v_1 := v.Args[1]
  6409  	v_0 := v.Args[0]
  6410  	// match: (FMOVDloadidx ptr (MOVDconst [c]) mem)
  6411  	// cond: is32Bit(c)
  6412  	// result: (FMOVDload [int32(c)] ptr mem)
  6413  	for {
  6414  		ptr := v_0
  6415  		if v_1.Op != OpARM64MOVDconst {
  6416  			break
  6417  		}
  6418  		c := auxIntToInt64(v_1.AuxInt)
  6419  		mem := v_2
  6420  		if !(is32Bit(c)) {
  6421  			break
  6422  		}
  6423  		v.reset(OpARM64FMOVDload)
  6424  		v.AuxInt = int32ToAuxInt(int32(c))
  6425  		v.AddArg2(ptr, mem)
  6426  		return true
  6427  	}
  6428  	// match: (FMOVDloadidx (MOVDconst [c]) ptr mem)
  6429  	// cond: is32Bit(c)
  6430  	// result: (FMOVDload [int32(c)] ptr mem)
  6431  	for {
  6432  		if v_0.Op != OpARM64MOVDconst {
  6433  			break
  6434  		}
  6435  		c := auxIntToInt64(v_0.AuxInt)
  6436  		ptr := v_1
  6437  		mem := v_2
  6438  		if !(is32Bit(c)) {
  6439  			break
  6440  		}
  6441  		v.reset(OpARM64FMOVDload)
  6442  		v.AuxInt = int32ToAuxInt(int32(c))
  6443  		v.AddArg2(ptr, mem)
  6444  		return true
  6445  	}
  6446  	// match: (FMOVDloadidx ptr (SLLconst [3] idx) mem)
  6447  	// result: (FMOVDloadidx8 ptr idx mem)
  6448  	for {
  6449  		ptr := v_0
  6450  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  6451  			break
  6452  		}
  6453  		idx := v_1.Args[0]
  6454  		mem := v_2
  6455  		v.reset(OpARM64FMOVDloadidx8)
  6456  		v.AddArg3(ptr, idx, mem)
  6457  		return true
  6458  	}
  6459  	// match: (FMOVDloadidx (SLLconst [3] idx) ptr mem)
  6460  	// result: (FMOVDloadidx8 ptr idx mem)
  6461  	for {
  6462  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  6463  			break
  6464  		}
  6465  		idx := v_0.Args[0]
  6466  		ptr := v_1
  6467  		mem := v_2
  6468  		v.reset(OpARM64FMOVDloadidx8)
  6469  		v.AddArg3(ptr, idx, mem)
  6470  		return true
  6471  	}
  6472  	return false
  6473  }
  6474  func rewriteValueARM64_OpARM64FMOVDloadidx8(v *Value) bool {
  6475  	v_2 := v.Args[2]
  6476  	v_1 := v.Args[1]
  6477  	v_0 := v.Args[0]
  6478  	// match: (FMOVDloadidx8 ptr (MOVDconst [c]) mem)
  6479  	// cond: is32Bit(c<<3)
  6480  	// result: (FMOVDload ptr [int32(c)<<3] mem)
  6481  	for {
  6482  		ptr := v_0
  6483  		if v_1.Op != OpARM64MOVDconst {
  6484  			break
  6485  		}
  6486  		c := auxIntToInt64(v_1.AuxInt)
  6487  		mem := v_2
  6488  		if !(is32Bit(c << 3)) {
  6489  			break
  6490  		}
  6491  		v.reset(OpARM64FMOVDload)
  6492  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  6493  		v.AddArg2(ptr, mem)
  6494  		return true
  6495  	}
  6496  	return false
  6497  }
  6498  func rewriteValueARM64_OpARM64FMOVDstore(v *Value) bool {
  6499  	v_2 := v.Args[2]
  6500  	v_1 := v.Args[1]
  6501  	v_0 := v.Args[0]
  6502  	b := v.Block
  6503  	config := b.Func.Config
  6504  	// match: (FMOVDstore [off] {sym} ptr (FMOVDgpfp val) mem)
  6505  	// result: (MOVDstore [off] {sym} ptr val mem)
  6506  	for {
  6507  		off := auxIntToInt32(v.AuxInt)
  6508  		sym := auxToSym(v.Aux)
  6509  		ptr := v_0
  6510  		if v_1.Op != OpARM64FMOVDgpfp {
  6511  			break
  6512  		}
  6513  		val := v_1.Args[0]
  6514  		mem := v_2
  6515  		v.reset(OpARM64MOVDstore)
  6516  		v.AuxInt = int32ToAuxInt(off)
  6517  		v.Aux = symToAux(sym)
  6518  		v.AddArg3(ptr, val, mem)
  6519  		return true
  6520  	}
  6521  	// match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  6522  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6523  	// result: (FMOVDstore [off1+int32(off2)] {sym} ptr val mem)
  6524  	for {
  6525  		off1 := auxIntToInt32(v.AuxInt)
  6526  		sym := auxToSym(v.Aux)
  6527  		if v_0.Op != OpARM64ADDconst {
  6528  			break
  6529  		}
  6530  		off2 := auxIntToInt64(v_0.AuxInt)
  6531  		ptr := v_0.Args[0]
  6532  		val := v_1
  6533  		mem := v_2
  6534  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6535  			break
  6536  		}
  6537  		v.reset(OpARM64FMOVDstore)
  6538  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6539  		v.Aux = symToAux(sym)
  6540  		v.AddArg3(ptr, val, mem)
  6541  		return true
  6542  	}
  6543  	// match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem)
  6544  	// cond: off == 0 && sym == nil
  6545  	// result: (FMOVDstoreidx ptr idx val mem)
  6546  	for {
  6547  		off := auxIntToInt32(v.AuxInt)
  6548  		sym := auxToSym(v.Aux)
  6549  		if v_0.Op != OpARM64ADD {
  6550  			break
  6551  		}
  6552  		idx := v_0.Args[1]
  6553  		ptr := v_0.Args[0]
  6554  		val := v_1
  6555  		mem := v_2
  6556  		if !(off == 0 && sym == nil) {
  6557  			break
  6558  		}
  6559  		v.reset(OpARM64FMOVDstoreidx)
  6560  		v.AddArg4(ptr, idx, val, mem)
  6561  		return true
  6562  	}
  6563  	// match: (FMOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem)
  6564  	// cond: off == 0 && sym == nil
  6565  	// result: (FMOVDstoreidx8 ptr idx val mem)
  6566  	for {
  6567  		off := auxIntToInt32(v.AuxInt)
  6568  		sym := auxToSym(v.Aux)
  6569  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  6570  			break
  6571  		}
  6572  		idx := v_0.Args[1]
  6573  		ptr := v_0.Args[0]
  6574  		val := v_1
  6575  		mem := v_2
  6576  		if !(off == 0 && sym == nil) {
  6577  			break
  6578  		}
  6579  		v.reset(OpARM64FMOVDstoreidx8)
  6580  		v.AddArg4(ptr, idx, val, mem)
  6581  		return true
  6582  	}
  6583  	// match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  6584  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6585  	// result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  6586  	for {
  6587  		off1 := auxIntToInt32(v.AuxInt)
  6588  		sym1 := auxToSym(v.Aux)
  6589  		if v_0.Op != OpARM64MOVDaddr {
  6590  			break
  6591  		}
  6592  		off2 := auxIntToInt32(v_0.AuxInt)
  6593  		sym2 := auxToSym(v_0.Aux)
  6594  		ptr := v_0.Args[0]
  6595  		val := v_1
  6596  		mem := v_2
  6597  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6598  			break
  6599  		}
  6600  		v.reset(OpARM64FMOVDstore)
  6601  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6602  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6603  		v.AddArg3(ptr, val, mem)
  6604  		return true
  6605  	}
  6606  	return false
  6607  }
  6608  func rewriteValueARM64_OpARM64FMOVDstoreidx(v *Value) bool {
  6609  	v_3 := v.Args[3]
  6610  	v_2 := v.Args[2]
  6611  	v_1 := v.Args[1]
  6612  	v_0 := v.Args[0]
  6613  	// match: (FMOVDstoreidx ptr (MOVDconst [c]) val mem)
  6614  	// cond: is32Bit(c)
  6615  	// result: (FMOVDstore [int32(c)] ptr val mem)
  6616  	for {
  6617  		ptr := v_0
  6618  		if v_1.Op != OpARM64MOVDconst {
  6619  			break
  6620  		}
  6621  		c := auxIntToInt64(v_1.AuxInt)
  6622  		val := v_2
  6623  		mem := v_3
  6624  		if !(is32Bit(c)) {
  6625  			break
  6626  		}
  6627  		v.reset(OpARM64FMOVDstore)
  6628  		v.AuxInt = int32ToAuxInt(int32(c))
  6629  		v.AddArg3(ptr, val, mem)
  6630  		return true
  6631  	}
  6632  	// match: (FMOVDstoreidx (MOVDconst [c]) idx val mem)
  6633  	// cond: is32Bit(c)
  6634  	// result: (FMOVDstore [int32(c)] idx val mem)
  6635  	for {
  6636  		if v_0.Op != OpARM64MOVDconst {
  6637  			break
  6638  		}
  6639  		c := auxIntToInt64(v_0.AuxInt)
  6640  		idx := v_1
  6641  		val := v_2
  6642  		mem := v_3
  6643  		if !(is32Bit(c)) {
  6644  			break
  6645  		}
  6646  		v.reset(OpARM64FMOVDstore)
  6647  		v.AuxInt = int32ToAuxInt(int32(c))
  6648  		v.AddArg3(idx, val, mem)
  6649  		return true
  6650  	}
  6651  	// match: (FMOVDstoreidx ptr (SLLconst [3] idx) val mem)
  6652  	// result: (FMOVDstoreidx8 ptr idx val mem)
  6653  	for {
  6654  		ptr := v_0
  6655  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  6656  			break
  6657  		}
  6658  		idx := v_1.Args[0]
  6659  		val := v_2
  6660  		mem := v_3
  6661  		v.reset(OpARM64FMOVDstoreidx8)
  6662  		v.AddArg4(ptr, idx, val, mem)
  6663  		return true
  6664  	}
  6665  	// match: (FMOVDstoreidx (SLLconst [3] idx) ptr val mem)
  6666  	// result: (FMOVDstoreidx8 ptr idx val mem)
  6667  	for {
  6668  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  6669  			break
  6670  		}
  6671  		idx := v_0.Args[0]
  6672  		ptr := v_1
  6673  		val := v_2
  6674  		mem := v_3
  6675  		v.reset(OpARM64FMOVDstoreidx8)
  6676  		v.AddArg4(ptr, idx, val, mem)
  6677  		return true
  6678  	}
  6679  	return false
  6680  }
  6681  func rewriteValueARM64_OpARM64FMOVDstoreidx8(v *Value) bool {
  6682  	v_3 := v.Args[3]
  6683  	v_2 := v.Args[2]
  6684  	v_1 := v.Args[1]
  6685  	v_0 := v.Args[0]
  6686  	// match: (FMOVDstoreidx8 ptr (MOVDconst [c]) val mem)
  6687  	// cond: is32Bit(c<<3)
  6688  	// result: (FMOVDstore [int32(c)<<3] ptr val mem)
  6689  	for {
  6690  		ptr := v_0
  6691  		if v_1.Op != OpARM64MOVDconst {
  6692  			break
  6693  		}
  6694  		c := auxIntToInt64(v_1.AuxInt)
  6695  		val := v_2
  6696  		mem := v_3
  6697  		if !(is32Bit(c << 3)) {
  6698  			break
  6699  		}
  6700  		v.reset(OpARM64FMOVDstore)
  6701  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  6702  		v.AddArg3(ptr, val, mem)
  6703  		return true
  6704  	}
  6705  	return false
  6706  }
  6707  func rewriteValueARM64_OpARM64FMOVQload(v *Value) bool {
  6708  	v_1 := v.Args[1]
  6709  	v_0 := v.Args[0]
  6710  	b := v.Block
  6711  	config := b.Func.Config
  6712  	// match: (FMOVQload [off1] {sym} (ADDconst [off2] ptr) mem)
  6713  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6714  	// result: (FMOVQload [off1+int32(off2)] {sym} ptr mem)
  6715  	for {
  6716  		off1 := auxIntToInt32(v.AuxInt)
  6717  		sym := auxToSym(v.Aux)
  6718  		if v_0.Op != OpARM64ADDconst {
  6719  			break
  6720  		}
  6721  		off2 := auxIntToInt64(v_0.AuxInt)
  6722  		ptr := v_0.Args[0]
  6723  		mem := v_1
  6724  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6725  			break
  6726  		}
  6727  		v.reset(OpARM64FMOVQload)
  6728  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6729  		v.Aux = symToAux(sym)
  6730  		v.AddArg2(ptr, mem)
  6731  		return true
  6732  	}
  6733  	// match: (FMOVQload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  6734  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6735  	// result: (FMOVQload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  6736  	for {
  6737  		off1 := auxIntToInt32(v.AuxInt)
  6738  		sym1 := auxToSym(v.Aux)
  6739  		if v_0.Op != OpARM64MOVDaddr {
  6740  			break
  6741  		}
  6742  		off2 := auxIntToInt32(v_0.AuxInt)
  6743  		sym2 := auxToSym(v_0.Aux)
  6744  		ptr := v_0.Args[0]
  6745  		mem := v_1
  6746  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6747  			break
  6748  		}
  6749  		v.reset(OpARM64FMOVQload)
  6750  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6751  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6752  		v.AddArg2(ptr, mem)
  6753  		return true
  6754  	}
  6755  	return false
  6756  }
  6757  func rewriteValueARM64_OpARM64FMOVQstore(v *Value) bool {
  6758  	v_2 := v.Args[2]
  6759  	v_1 := v.Args[1]
  6760  	v_0 := v.Args[0]
  6761  	b := v.Block
  6762  	config := b.Func.Config
  6763  	// match: (FMOVQstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  6764  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6765  	// result: (FMOVQstore [off1+int32(off2)] {sym} ptr val mem)
  6766  	for {
  6767  		off1 := auxIntToInt32(v.AuxInt)
  6768  		sym := auxToSym(v.Aux)
  6769  		if v_0.Op != OpARM64ADDconst {
  6770  			break
  6771  		}
  6772  		off2 := auxIntToInt64(v_0.AuxInt)
  6773  		ptr := v_0.Args[0]
  6774  		val := v_1
  6775  		mem := v_2
  6776  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6777  			break
  6778  		}
  6779  		v.reset(OpARM64FMOVQstore)
  6780  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6781  		v.Aux = symToAux(sym)
  6782  		v.AddArg3(ptr, val, mem)
  6783  		return true
  6784  	}
  6785  	// match: (FMOVQstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  6786  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6787  	// result: (FMOVQstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  6788  	for {
  6789  		off1 := auxIntToInt32(v.AuxInt)
  6790  		sym1 := auxToSym(v.Aux)
  6791  		if v_0.Op != OpARM64MOVDaddr {
  6792  			break
  6793  		}
  6794  		off2 := auxIntToInt32(v_0.AuxInt)
  6795  		sym2 := auxToSym(v_0.Aux)
  6796  		ptr := v_0.Args[0]
  6797  		val := v_1
  6798  		mem := v_2
  6799  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6800  			break
  6801  		}
  6802  		v.reset(OpARM64FMOVQstore)
  6803  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6804  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6805  		v.AddArg3(ptr, val, mem)
  6806  		return true
  6807  	}
  6808  	return false
  6809  }
  6810  func rewriteValueARM64_OpARM64FMOVSload(v *Value) bool {
  6811  	v_1 := v.Args[1]
  6812  	v_0 := v.Args[0]
  6813  	b := v.Block
  6814  	config := b.Func.Config
  6815  	// match: (FMOVSload [off] {sym} ptr (MOVWstore [off] {sym} ptr val _))
  6816  	// result: (FMOVSgpfp val)
  6817  	for {
  6818  		off := auxIntToInt32(v.AuxInt)
  6819  		sym := auxToSym(v.Aux)
  6820  		ptr := v_0
  6821  		if v_1.Op != OpARM64MOVWstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  6822  			break
  6823  		}
  6824  		val := v_1.Args[1]
  6825  		if ptr != v_1.Args[0] {
  6826  			break
  6827  		}
  6828  		v.reset(OpARM64FMOVSgpfp)
  6829  		v.AddArg(val)
  6830  		return true
  6831  	}
  6832  	// match: (FMOVSload [off1] {sym} (ADDconst [off2] ptr) mem)
  6833  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6834  	// result: (FMOVSload [off1+int32(off2)] {sym} ptr mem)
  6835  	for {
  6836  		off1 := auxIntToInt32(v.AuxInt)
  6837  		sym := auxToSym(v.Aux)
  6838  		if v_0.Op != OpARM64ADDconst {
  6839  			break
  6840  		}
  6841  		off2 := auxIntToInt64(v_0.AuxInt)
  6842  		ptr := v_0.Args[0]
  6843  		mem := v_1
  6844  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6845  			break
  6846  		}
  6847  		v.reset(OpARM64FMOVSload)
  6848  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6849  		v.Aux = symToAux(sym)
  6850  		v.AddArg2(ptr, mem)
  6851  		return true
  6852  	}
  6853  	// match: (FMOVSload [off] {sym} (ADD ptr idx) mem)
  6854  	// cond: off == 0 && sym == nil
  6855  	// result: (FMOVSloadidx ptr idx mem)
  6856  	for {
  6857  		off := auxIntToInt32(v.AuxInt)
  6858  		sym := auxToSym(v.Aux)
  6859  		if v_0.Op != OpARM64ADD {
  6860  			break
  6861  		}
  6862  		idx := v_0.Args[1]
  6863  		ptr := v_0.Args[0]
  6864  		mem := v_1
  6865  		if !(off == 0 && sym == nil) {
  6866  			break
  6867  		}
  6868  		v.reset(OpARM64FMOVSloadidx)
  6869  		v.AddArg3(ptr, idx, mem)
  6870  		return true
  6871  	}
  6872  	// match: (FMOVSload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
  6873  	// cond: off == 0 && sym == nil
  6874  	// result: (FMOVSloadidx4 ptr idx mem)
  6875  	for {
  6876  		off := auxIntToInt32(v.AuxInt)
  6877  		sym := auxToSym(v.Aux)
  6878  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
  6879  			break
  6880  		}
  6881  		idx := v_0.Args[1]
  6882  		ptr := v_0.Args[0]
  6883  		mem := v_1
  6884  		if !(off == 0 && sym == nil) {
  6885  			break
  6886  		}
  6887  		v.reset(OpARM64FMOVSloadidx4)
  6888  		v.AddArg3(ptr, idx, mem)
  6889  		return true
  6890  	}
  6891  	// match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  6892  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6893  	// result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  6894  	for {
  6895  		off1 := auxIntToInt32(v.AuxInt)
  6896  		sym1 := auxToSym(v.Aux)
  6897  		if v_0.Op != OpARM64MOVDaddr {
  6898  			break
  6899  		}
  6900  		off2 := auxIntToInt32(v_0.AuxInt)
  6901  		sym2 := auxToSym(v_0.Aux)
  6902  		ptr := v_0.Args[0]
  6903  		mem := v_1
  6904  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6905  			break
  6906  		}
  6907  		v.reset(OpARM64FMOVSload)
  6908  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6909  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6910  		v.AddArg2(ptr, mem)
  6911  		return true
  6912  	}
  6913  	return false
  6914  }
  6915  func rewriteValueARM64_OpARM64FMOVSloadidx(v *Value) bool {
  6916  	v_2 := v.Args[2]
  6917  	v_1 := v.Args[1]
  6918  	v_0 := v.Args[0]
  6919  	// match: (FMOVSloadidx ptr (MOVDconst [c]) mem)
  6920  	// cond: is32Bit(c)
  6921  	// result: (FMOVSload [int32(c)] ptr mem)
  6922  	for {
  6923  		ptr := v_0
  6924  		if v_1.Op != OpARM64MOVDconst {
  6925  			break
  6926  		}
  6927  		c := auxIntToInt64(v_1.AuxInt)
  6928  		mem := v_2
  6929  		if !(is32Bit(c)) {
  6930  			break
  6931  		}
  6932  		v.reset(OpARM64FMOVSload)
  6933  		v.AuxInt = int32ToAuxInt(int32(c))
  6934  		v.AddArg2(ptr, mem)
  6935  		return true
  6936  	}
  6937  	// match: (FMOVSloadidx (MOVDconst [c]) ptr mem)
  6938  	// cond: is32Bit(c)
  6939  	// result: (FMOVSload [int32(c)] ptr mem)
  6940  	for {
  6941  		if v_0.Op != OpARM64MOVDconst {
  6942  			break
  6943  		}
  6944  		c := auxIntToInt64(v_0.AuxInt)
  6945  		ptr := v_1
  6946  		mem := v_2
  6947  		if !(is32Bit(c)) {
  6948  			break
  6949  		}
  6950  		v.reset(OpARM64FMOVSload)
  6951  		v.AuxInt = int32ToAuxInt(int32(c))
  6952  		v.AddArg2(ptr, mem)
  6953  		return true
  6954  	}
  6955  	// match: (FMOVSloadidx ptr (SLLconst [2] idx) mem)
  6956  	// result: (FMOVSloadidx4 ptr idx mem)
  6957  	for {
  6958  		ptr := v_0
  6959  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
  6960  			break
  6961  		}
  6962  		idx := v_1.Args[0]
  6963  		mem := v_2
  6964  		v.reset(OpARM64FMOVSloadidx4)
  6965  		v.AddArg3(ptr, idx, mem)
  6966  		return true
  6967  	}
  6968  	// match: (FMOVSloadidx (SLLconst [2] idx) ptr mem)
  6969  	// result: (FMOVSloadidx4 ptr idx mem)
  6970  	for {
  6971  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
  6972  			break
  6973  		}
  6974  		idx := v_0.Args[0]
  6975  		ptr := v_1
  6976  		mem := v_2
  6977  		v.reset(OpARM64FMOVSloadidx4)
  6978  		v.AddArg3(ptr, idx, mem)
  6979  		return true
  6980  	}
  6981  	return false
  6982  }
  6983  func rewriteValueARM64_OpARM64FMOVSloadidx4(v *Value) bool {
  6984  	v_2 := v.Args[2]
  6985  	v_1 := v.Args[1]
  6986  	v_0 := v.Args[0]
  6987  	// match: (FMOVSloadidx4 ptr (MOVDconst [c]) mem)
  6988  	// cond: is32Bit(c<<2)
  6989  	// result: (FMOVSload ptr [int32(c)<<2] mem)
  6990  	for {
  6991  		ptr := v_0
  6992  		if v_1.Op != OpARM64MOVDconst {
  6993  			break
  6994  		}
  6995  		c := auxIntToInt64(v_1.AuxInt)
  6996  		mem := v_2
  6997  		if !(is32Bit(c << 2)) {
  6998  			break
  6999  		}
  7000  		v.reset(OpARM64FMOVSload)
  7001  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
  7002  		v.AddArg2(ptr, mem)
  7003  		return true
  7004  	}
  7005  	return false
  7006  }
  7007  func rewriteValueARM64_OpARM64FMOVSstore(v *Value) bool {
  7008  	v_2 := v.Args[2]
  7009  	v_1 := v.Args[1]
  7010  	v_0 := v.Args[0]
  7011  	b := v.Block
  7012  	config := b.Func.Config
  7013  	// match: (FMOVSstore [off] {sym} ptr (FMOVSgpfp val) mem)
  7014  	// result: (MOVWstore [off] {sym} ptr val mem)
  7015  	for {
  7016  		off := auxIntToInt32(v.AuxInt)
  7017  		sym := auxToSym(v.Aux)
  7018  		ptr := v_0
  7019  		if v_1.Op != OpARM64FMOVSgpfp {
  7020  			break
  7021  		}
  7022  		val := v_1.Args[0]
  7023  		mem := v_2
  7024  		v.reset(OpARM64MOVWstore)
  7025  		v.AuxInt = int32ToAuxInt(off)
  7026  		v.Aux = symToAux(sym)
  7027  		v.AddArg3(ptr, val, mem)
  7028  		return true
  7029  	}
  7030  	// match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  7031  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  7032  	// result: (FMOVSstore [off1+int32(off2)] {sym} ptr val mem)
  7033  	for {
  7034  		off1 := auxIntToInt32(v.AuxInt)
  7035  		sym := auxToSym(v.Aux)
  7036  		if v_0.Op != OpARM64ADDconst {
  7037  			break
  7038  		}
  7039  		off2 := auxIntToInt64(v_0.AuxInt)
  7040  		ptr := v_0.Args[0]
  7041  		val := v_1
  7042  		mem := v_2
  7043  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  7044  			break
  7045  		}
  7046  		v.reset(OpARM64FMOVSstore)
  7047  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  7048  		v.Aux = symToAux(sym)
  7049  		v.AddArg3(ptr, val, mem)
  7050  		return true
  7051  	}
  7052  	// match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem)
  7053  	// cond: off == 0 && sym == nil
  7054  	// result: (FMOVSstoreidx ptr idx val mem)
  7055  	for {
  7056  		off := auxIntToInt32(v.AuxInt)
  7057  		sym := auxToSym(v.Aux)
  7058  		if v_0.Op != OpARM64ADD {
  7059  			break
  7060  		}
  7061  		idx := v_0.Args[1]
  7062  		ptr := v_0.Args[0]
  7063  		val := v_1
  7064  		mem := v_2
  7065  		if !(off == 0 && sym == nil) {
  7066  			break
  7067  		}
  7068  		v.reset(OpARM64FMOVSstoreidx)
  7069  		v.AddArg4(ptr, idx, val, mem)
  7070  		return true
  7071  	}
  7072  	// match: (FMOVSstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem)
  7073  	// cond: off == 0 && sym == nil
  7074  	// result: (FMOVSstoreidx4 ptr idx val mem)
  7075  	for {
  7076  		off := auxIntToInt32(v.AuxInt)
  7077  		sym := auxToSym(v.Aux)
  7078  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
  7079  			break
  7080  		}
  7081  		idx := v_0.Args[1]
  7082  		ptr := v_0.Args[0]
  7083  		val := v_1
  7084  		mem := v_2
  7085  		if !(off == 0 && sym == nil) {
  7086  			break
  7087  		}
  7088  		v.reset(OpARM64FMOVSstoreidx4)
  7089  		v.AddArg4(ptr, idx, val, mem)
  7090  		return true
  7091  	}
  7092  	// match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  7093  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  7094  	// result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  7095  	for {
  7096  		off1 := auxIntToInt32(v.AuxInt)
  7097  		sym1 := auxToSym(v.Aux)
  7098  		if v_0.Op != OpARM64MOVDaddr {
  7099  			break
  7100  		}
  7101  		off2 := auxIntToInt32(v_0.AuxInt)
  7102  		sym2 := auxToSym(v_0.Aux)
  7103  		ptr := v_0.Args[0]
  7104  		val := v_1
  7105  		mem := v_2
  7106  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  7107  			break
  7108  		}
  7109  		v.reset(OpARM64FMOVSstore)
  7110  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7111  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7112  		v.AddArg3(ptr, val, mem)
  7113  		return true
  7114  	}
  7115  	return false
  7116  }
  7117  func rewriteValueARM64_OpARM64FMOVSstoreidx(v *Value) bool {
  7118  	v_3 := v.Args[3]
  7119  	v_2 := v.Args[2]
  7120  	v_1 := v.Args[1]
  7121  	v_0 := v.Args[0]
  7122  	// match: (FMOVSstoreidx ptr (MOVDconst [c]) val mem)
  7123  	// cond: is32Bit(c)
  7124  	// result: (FMOVSstore [int32(c)] ptr val mem)
  7125  	for {
  7126  		ptr := v_0
  7127  		if v_1.Op != OpARM64MOVDconst {
  7128  			break
  7129  		}
  7130  		c := auxIntToInt64(v_1.AuxInt)
  7131  		val := v_2
  7132  		mem := v_3
  7133  		if !(is32Bit(c)) {
  7134  			break
  7135  		}
  7136  		v.reset(OpARM64FMOVSstore)
  7137  		v.AuxInt = int32ToAuxInt(int32(c))
  7138  		v.AddArg3(ptr, val, mem)
  7139  		return true
  7140  	}
  7141  	// match: (FMOVSstoreidx (MOVDconst [c]) idx val mem)
  7142  	// cond: is32Bit(c)
  7143  	// result: (FMOVSstore [int32(c)] idx val mem)
  7144  	for {
  7145  		if v_0.Op != OpARM64MOVDconst {
  7146  			break
  7147  		}
  7148  		c := auxIntToInt64(v_0.AuxInt)
  7149  		idx := v_1
  7150  		val := v_2
  7151  		mem := v_3
  7152  		if !(is32Bit(c)) {
  7153  			break
  7154  		}
  7155  		v.reset(OpARM64FMOVSstore)
  7156  		v.AuxInt = int32ToAuxInt(int32(c))
  7157  		v.AddArg3(idx, val, mem)
  7158  		return true
  7159  	}
  7160  	// match: (FMOVSstoreidx ptr (SLLconst [2] idx) val mem)
  7161  	// result: (FMOVSstoreidx4 ptr idx val mem)
  7162  	for {
  7163  		ptr := v_0
  7164  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
  7165  			break
  7166  		}
  7167  		idx := v_1.Args[0]
  7168  		val := v_2
  7169  		mem := v_3
  7170  		v.reset(OpARM64FMOVSstoreidx4)
  7171  		v.AddArg4(ptr, idx, val, mem)
  7172  		return true
  7173  	}
  7174  	// match: (FMOVSstoreidx (SLLconst [2] idx) ptr val mem)
  7175  	// result: (FMOVSstoreidx4 ptr idx val mem)
  7176  	for {
  7177  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
  7178  			break
  7179  		}
  7180  		idx := v_0.Args[0]
  7181  		ptr := v_1
  7182  		val := v_2
  7183  		mem := v_3
  7184  		v.reset(OpARM64FMOVSstoreidx4)
  7185  		v.AddArg4(ptr, idx, val, mem)
  7186  		return true
  7187  	}
  7188  	return false
  7189  }
  7190  func rewriteValueARM64_OpARM64FMOVSstoreidx4(v *Value) bool {
  7191  	v_3 := v.Args[3]
  7192  	v_2 := v.Args[2]
  7193  	v_1 := v.Args[1]
  7194  	v_0 := v.Args[0]
  7195  	// match: (FMOVSstoreidx4 ptr (MOVDconst [c]) val mem)
  7196  	// cond: is32Bit(c<<2)
  7197  	// result: (FMOVSstore [int32(c)<<2] ptr val mem)
  7198  	for {
  7199  		ptr := v_0
  7200  		if v_1.Op != OpARM64MOVDconst {
  7201  			break
  7202  		}
  7203  		c := auxIntToInt64(v_1.AuxInt)
  7204  		val := v_2
  7205  		mem := v_3
  7206  		if !(is32Bit(c << 2)) {
  7207  			break
  7208  		}
  7209  		v.reset(OpARM64FMOVSstore)
  7210  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
  7211  		v.AddArg3(ptr, val, mem)
  7212  		return true
  7213  	}
  7214  	return false
  7215  }
  7216  func rewriteValueARM64_OpARM64FMULD(v *Value) bool {
  7217  	v_1 := v.Args[1]
  7218  	v_0 := v.Args[0]
  7219  	// match: (FMULD (FNEGD x) y)
  7220  	// result: (FNMULD x y)
  7221  	for {
  7222  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7223  			if v_0.Op != OpARM64FNEGD {
  7224  				continue
  7225  			}
  7226  			x := v_0.Args[0]
  7227  			y := v_1
  7228  			v.reset(OpARM64FNMULD)
  7229  			v.AddArg2(x, y)
  7230  			return true
  7231  		}
  7232  		break
  7233  	}
  7234  	return false
  7235  }
  7236  func rewriteValueARM64_OpARM64FMULS(v *Value) bool {
  7237  	v_1 := v.Args[1]
  7238  	v_0 := v.Args[0]
  7239  	// match: (FMULS (FNEGS x) y)
  7240  	// result: (FNMULS x y)
  7241  	for {
  7242  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7243  			if v_0.Op != OpARM64FNEGS {
  7244  				continue
  7245  			}
  7246  			x := v_0.Args[0]
  7247  			y := v_1
  7248  			v.reset(OpARM64FNMULS)
  7249  			v.AddArg2(x, y)
  7250  			return true
  7251  		}
  7252  		break
  7253  	}
  7254  	return false
  7255  }
  7256  func rewriteValueARM64_OpARM64FNEGD(v *Value) bool {
  7257  	v_0 := v.Args[0]
  7258  	// match: (FNEGD (FMULD x y))
  7259  	// result: (FNMULD x y)
  7260  	for {
  7261  		if v_0.Op != OpARM64FMULD {
  7262  			break
  7263  		}
  7264  		y := v_0.Args[1]
  7265  		x := v_0.Args[0]
  7266  		v.reset(OpARM64FNMULD)
  7267  		v.AddArg2(x, y)
  7268  		return true
  7269  	}
  7270  	// match: (FNEGD (FNMULD x y))
  7271  	// result: (FMULD x y)
  7272  	for {
  7273  		if v_0.Op != OpARM64FNMULD {
  7274  			break
  7275  		}
  7276  		y := v_0.Args[1]
  7277  		x := v_0.Args[0]
  7278  		v.reset(OpARM64FMULD)
  7279  		v.AddArg2(x, y)
  7280  		return true
  7281  	}
  7282  	return false
  7283  }
  7284  func rewriteValueARM64_OpARM64FNEGS(v *Value) bool {
  7285  	v_0 := v.Args[0]
  7286  	// match: (FNEGS (FMULS x y))
  7287  	// result: (FNMULS x y)
  7288  	for {
  7289  		if v_0.Op != OpARM64FMULS {
  7290  			break
  7291  		}
  7292  		y := v_0.Args[1]
  7293  		x := v_0.Args[0]
  7294  		v.reset(OpARM64FNMULS)
  7295  		v.AddArg2(x, y)
  7296  		return true
  7297  	}
  7298  	// match: (FNEGS (FNMULS x y))
  7299  	// result: (FMULS x y)
  7300  	for {
  7301  		if v_0.Op != OpARM64FNMULS {
  7302  			break
  7303  		}
  7304  		y := v_0.Args[1]
  7305  		x := v_0.Args[0]
  7306  		v.reset(OpARM64FMULS)
  7307  		v.AddArg2(x, y)
  7308  		return true
  7309  	}
  7310  	return false
  7311  }
  7312  func rewriteValueARM64_OpARM64FNMULD(v *Value) bool {
  7313  	v_1 := v.Args[1]
  7314  	v_0 := v.Args[0]
  7315  	// match: (FNMULD (FNEGD x) y)
  7316  	// result: (FMULD x y)
  7317  	for {
  7318  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7319  			if v_0.Op != OpARM64FNEGD {
  7320  				continue
  7321  			}
  7322  			x := v_0.Args[0]
  7323  			y := v_1
  7324  			v.reset(OpARM64FMULD)
  7325  			v.AddArg2(x, y)
  7326  			return true
  7327  		}
  7328  		break
  7329  	}
  7330  	return false
  7331  }
  7332  func rewriteValueARM64_OpARM64FNMULS(v *Value) bool {
  7333  	v_1 := v.Args[1]
  7334  	v_0 := v.Args[0]
  7335  	// match: (FNMULS (FNEGS x) y)
  7336  	// result: (FMULS x y)
  7337  	for {
  7338  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7339  			if v_0.Op != OpARM64FNEGS {
  7340  				continue
  7341  			}
  7342  			x := v_0.Args[0]
  7343  			y := v_1
  7344  			v.reset(OpARM64FMULS)
  7345  			v.AddArg2(x, y)
  7346  			return true
  7347  		}
  7348  		break
  7349  	}
  7350  	return false
  7351  }
  7352  func rewriteValueARM64_OpARM64FSTPQ(v *Value) bool {
  7353  	v_3 := v.Args[3]
  7354  	v_2 := v.Args[2]
  7355  	v_1 := v.Args[1]
  7356  	v_0 := v.Args[0]
  7357  	b := v.Block
  7358  	config := b.Func.Config
  7359  	// match: (FSTPQ [off1] {sym} (ADDconst [off2] ptr) val1 val2 mem)
  7360  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  7361  	// result: (FSTPQ [off1+int32(off2)] {sym} ptr val1 val2 mem)
  7362  	for {
  7363  		off1 := auxIntToInt32(v.AuxInt)
  7364  		sym := auxToSym(v.Aux)
  7365  		if v_0.Op != OpARM64ADDconst {
  7366  			break
  7367  		}
  7368  		off2 := auxIntToInt64(v_0.AuxInt)
  7369  		ptr := v_0.Args[0]
  7370  		val1 := v_1
  7371  		val2 := v_2
  7372  		mem := v_3
  7373  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  7374  			break
  7375  		}
  7376  		v.reset(OpARM64FSTPQ)
  7377  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  7378  		v.Aux = symToAux(sym)
  7379  		v.AddArg4(ptr, val1, val2, mem)
  7380  		return true
  7381  	}
  7382  	// match: (FSTPQ [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val1 val2 mem)
  7383  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  7384  	// result: (FSTPQ [off1+off2] {mergeSym(sym1,sym2)} ptr val1 val2 mem)
  7385  	for {
  7386  		off1 := auxIntToInt32(v.AuxInt)
  7387  		sym1 := auxToSym(v.Aux)
  7388  		if v_0.Op != OpARM64MOVDaddr {
  7389  			break
  7390  		}
  7391  		off2 := auxIntToInt32(v_0.AuxInt)
  7392  		sym2 := auxToSym(v_0.Aux)
  7393  		ptr := v_0.Args[0]
  7394  		val1 := v_1
  7395  		val2 := v_2
  7396  		mem := v_3
  7397  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  7398  			break
  7399  		}
  7400  		v.reset(OpARM64FSTPQ)
  7401  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7402  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7403  		v.AddArg4(ptr, val1, val2, mem)
  7404  		return true
  7405  	}
  7406  	return false
  7407  }
  7408  func rewriteValueARM64_OpARM64FSUBD(v *Value) bool {
  7409  	v_1 := v.Args[1]
  7410  	v_0 := v.Args[0]
  7411  	// match: (FSUBD a (FMULD x y))
  7412  	// cond: a.Block.Func.useFMA(v)
  7413  	// result: (FMSUBD a x y)
  7414  	for {
  7415  		a := v_0
  7416  		if v_1.Op != OpARM64FMULD {
  7417  			break
  7418  		}
  7419  		y := v_1.Args[1]
  7420  		x := v_1.Args[0]
  7421  		if !(a.Block.Func.useFMA(v)) {
  7422  			break
  7423  		}
  7424  		v.reset(OpARM64FMSUBD)
  7425  		v.AddArg3(a, x, y)
  7426  		return true
  7427  	}
  7428  	// match: (FSUBD (FMULD x y) a)
  7429  	// cond: a.Block.Func.useFMA(v)
  7430  	// result: (FNMSUBD a x y)
  7431  	for {
  7432  		if v_0.Op != OpARM64FMULD {
  7433  			break
  7434  		}
  7435  		y := v_0.Args[1]
  7436  		x := v_0.Args[0]
  7437  		a := v_1
  7438  		if !(a.Block.Func.useFMA(v)) {
  7439  			break
  7440  		}
  7441  		v.reset(OpARM64FNMSUBD)
  7442  		v.AddArg3(a, x, y)
  7443  		return true
  7444  	}
  7445  	// match: (FSUBD a (FNMULD x y))
  7446  	// cond: a.Block.Func.useFMA(v)
  7447  	// result: (FMADDD a x y)
  7448  	for {
  7449  		a := v_0
  7450  		if v_1.Op != OpARM64FNMULD {
  7451  			break
  7452  		}
  7453  		y := v_1.Args[1]
  7454  		x := v_1.Args[0]
  7455  		if !(a.Block.Func.useFMA(v)) {
  7456  			break
  7457  		}
  7458  		v.reset(OpARM64FMADDD)
  7459  		v.AddArg3(a, x, y)
  7460  		return true
  7461  	}
  7462  	// match: (FSUBD (FNMULD x y) a)
  7463  	// cond: a.Block.Func.useFMA(v)
  7464  	// result: (FNMADDD a x y)
  7465  	for {
  7466  		if v_0.Op != OpARM64FNMULD {
  7467  			break
  7468  		}
  7469  		y := v_0.Args[1]
  7470  		x := v_0.Args[0]
  7471  		a := v_1
  7472  		if !(a.Block.Func.useFMA(v)) {
  7473  			break
  7474  		}
  7475  		v.reset(OpARM64FNMADDD)
  7476  		v.AddArg3(a, x, y)
  7477  		return true
  7478  	}
  7479  	return false
  7480  }
  7481  func rewriteValueARM64_OpARM64FSUBS(v *Value) bool {
  7482  	v_1 := v.Args[1]
  7483  	v_0 := v.Args[0]
  7484  	// match: (FSUBS a (FMULS x y))
  7485  	// cond: a.Block.Func.useFMA(v)
  7486  	// result: (FMSUBS a x y)
  7487  	for {
  7488  		a := v_0
  7489  		if v_1.Op != OpARM64FMULS {
  7490  			break
  7491  		}
  7492  		y := v_1.Args[1]
  7493  		x := v_1.Args[0]
  7494  		if !(a.Block.Func.useFMA(v)) {
  7495  			break
  7496  		}
  7497  		v.reset(OpARM64FMSUBS)
  7498  		v.AddArg3(a, x, y)
  7499  		return true
  7500  	}
  7501  	// match: (FSUBS (FMULS x y) a)
  7502  	// cond: a.Block.Func.useFMA(v)
  7503  	// result: (FNMSUBS a x y)
  7504  	for {
  7505  		if v_0.Op != OpARM64FMULS {
  7506  			break
  7507  		}
  7508  		y := v_0.Args[1]
  7509  		x := v_0.Args[0]
  7510  		a := v_1
  7511  		if !(a.Block.Func.useFMA(v)) {
  7512  			break
  7513  		}
  7514  		v.reset(OpARM64FNMSUBS)
  7515  		v.AddArg3(a, x, y)
  7516  		return true
  7517  	}
  7518  	// match: (FSUBS a (FNMULS x y))
  7519  	// cond: a.Block.Func.useFMA(v)
  7520  	// result: (FMADDS a x y)
  7521  	for {
  7522  		a := v_0
  7523  		if v_1.Op != OpARM64FNMULS {
  7524  			break
  7525  		}
  7526  		y := v_1.Args[1]
  7527  		x := v_1.Args[0]
  7528  		if !(a.Block.Func.useFMA(v)) {
  7529  			break
  7530  		}
  7531  		v.reset(OpARM64FMADDS)
  7532  		v.AddArg3(a, x, y)
  7533  		return true
  7534  	}
  7535  	// match: (FSUBS (FNMULS x y) a)
  7536  	// cond: a.Block.Func.useFMA(v)
  7537  	// result: (FNMADDS a x y)
  7538  	for {
  7539  		if v_0.Op != OpARM64FNMULS {
  7540  			break
  7541  		}
  7542  		y := v_0.Args[1]
  7543  		x := v_0.Args[0]
  7544  		a := v_1
  7545  		if !(a.Block.Func.useFMA(v)) {
  7546  			break
  7547  		}
  7548  		v.reset(OpARM64FNMADDS)
  7549  		v.AddArg3(a, x, y)
  7550  		return true
  7551  	}
  7552  	return false
  7553  }
  7554  func rewriteValueARM64_OpARM64GreaterEqual(v *Value) bool {
  7555  	v_0 := v.Args[0]
  7556  	b := v.Block
  7557  	// match: (GreaterEqual (CMPconst [0] z:(AND x y)))
  7558  	// cond: z.Uses == 1
  7559  	// result: (GreaterEqual (TST x y))
  7560  	for {
  7561  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7562  			break
  7563  		}
  7564  		z := v_0.Args[0]
  7565  		if z.Op != OpARM64AND {
  7566  			break
  7567  		}
  7568  		y := z.Args[1]
  7569  		x := z.Args[0]
  7570  		if !(z.Uses == 1) {
  7571  			break
  7572  		}
  7573  		v.reset(OpARM64GreaterEqual)
  7574  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  7575  		v0.AddArg2(x, y)
  7576  		v.AddArg(v0)
  7577  		return true
  7578  	}
  7579  	// match: (GreaterEqual (CMPWconst [0] x:(ANDconst [c] y)))
  7580  	// cond: x.Uses == 1
  7581  	// result: (GreaterEqual (TSTWconst [int32(c)] y))
  7582  	for {
  7583  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7584  			break
  7585  		}
  7586  		x := v_0.Args[0]
  7587  		if x.Op != OpARM64ANDconst {
  7588  			break
  7589  		}
  7590  		c := auxIntToInt64(x.AuxInt)
  7591  		y := x.Args[0]
  7592  		if !(x.Uses == 1) {
  7593  			break
  7594  		}
  7595  		v.reset(OpARM64GreaterEqual)
  7596  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  7597  		v0.AuxInt = int32ToAuxInt(int32(c))
  7598  		v0.AddArg(y)
  7599  		v.AddArg(v0)
  7600  		return true
  7601  	}
  7602  	// match: (GreaterEqual (CMPWconst [0] z:(AND x y)))
  7603  	// cond: z.Uses == 1
  7604  	// result: (GreaterEqual (TSTW x y))
  7605  	for {
  7606  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7607  			break
  7608  		}
  7609  		z := v_0.Args[0]
  7610  		if z.Op != OpARM64AND {
  7611  			break
  7612  		}
  7613  		y := z.Args[1]
  7614  		x := z.Args[0]
  7615  		if !(z.Uses == 1) {
  7616  			break
  7617  		}
  7618  		v.reset(OpARM64GreaterEqual)
  7619  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  7620  		v0.AddArg2(x, y)
  7621  		v.AddArg(v0)
  7622  		return true
  7623  	}
  7624  	// match: (GreaterEqual (CMPconst [0] x:(ANDconst [c] y)))
  7625  	// cond: x.Uses == 1
  7626  	// result: (GreaterEqual (TSTconst [c] y))
  7627  	for {
  7628  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7629  			break
  7630  		}
  7631  		x := v_0.Args[0]
  7632  		if x.Op != OpARM64ANDconst {
  7633  			break
  7634  		}
  7635  		c := auxIntToInt64(x.AuxInt)
  7636  		y := x.Args[0]
  7637  		if !(x.Uses == 1) {
  7638  			break
  7639  		}
  7640  		v.reset(OpARM64GreaterEqual)
  7641  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  7642  		v0.AuxInt = int64ToAuxInt(c)
  7643  		v0.AddArg(y)
  7644  		v.AddArg(v0)
  7645  		return true
  7646  	}
  7647  	// match: (GreaterEqual (CMPconst [0] x:(ADDconst [c] y)))
  7648  	// cond: x.Uses == 1
  7649  	// result: (GreaterEqualNoov (CMNconst [c] y))
  7650  	for {
  7651  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7652  			break
  7653  		}
  7654  		x := v_0.Args[0]
  7655  		if x.Op != OpARM64ADDconst {
  7656  			break
  7657  		}
  7658  		c := auxIntToInt64(x.AuxInt)
  7659  		y := x.Args[0]
  7660  		if !(x.Uses == 1) {
  7661  			break
  7662  		}
  7663  		v.reset(OpARM64GreaterEqualNoov)
  7664  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  7665  		v0.AuxInt = int64ToAuxInt(c)
  7666  		v0.AddArg(y)
  7667  		v.AddArg(v0)
  7668  		return true
  7669  	}
  7670  	// match: (GreaterEqual (CMPWconst [0] x:(ADDconst [c] y)))
  7671  	// cond: x.Uses == 1
  7672  	// result: (GreaterEqualNoov (CMNWconst [int32(c)] y))
  7673  	for {
  7674  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7675  			break
  7676  		}
  7677  		x := v_0.Args[0]
  7678  		if x.Op != OpARM64ADDconst {
  7679  			break
  7680  		}
  7681  		c := auxIntToInt64(x.AuxInt)
  7682  		y := x.Args[0]
  7683  		if !(x.Uses == 1) {
  7684  			break
  7685  		}
  7686  		v.reset(OpARM64GreaterEqualNoov)
  7687  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  7688  		v0.AuxInt = int32ToAuxInt(int32(c))
  7689  		v0.AddArg(y)
  7690  		v.AddArg(v0)
  7691  		return true
  7692  	}
  7693  	// match: (GreaterEqual (CMPconst [0] z:(ADD x y)))
  7694  	// cond: z.Uses == 1
  7695  	// result: (GreaterEqualNoov (CMN x y))
  7696  	for {
  7697  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7698  			break
  7699  		}
  7700  		z := v_0.Args[0]
  7701  		if z.Op != OpARM64ADD {
  7702  			break
  7703  		}
  7704  		y := z.Args[1]
  7705  		x := z.Args[0]
  7706  		if !(z.Uses == 1) {
  7707  			break
  7708  		}
  7709  		v.reset(OpARM64GreaterEqualNoov)
  7710  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  7711  		v0.AddArg2(x, y)
  7712  		v.AddArg(v0)
  7713  		return true
  7714  	}
  7715  	// match: (GreaterEqual (CMPWconst [0] z:(ADD x y)))
  7716  	// cond: z.Uses == 1
  7717  	// result: (GreaterEqualNoov (CMNW x y))
  7718  	for {
  7719  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7720  			break
  7721  		}
  7722  		z := v_0.Args[0]
  7723  		if z.Op != OpARM64ADD {
  7724  			break
  7725  		}
  7726  		y := z.Args[1]
  7727  		x := z.Args[0]
  7728  		if !(z.Uses == 1) {
  7729  			break
  7730  		}
  7731  		v.reset(OpARM64GreaterEqualNoov)
  7732  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  7733  		v0.AddArg2(x, y)
  7734  		v.AddArg(v0)
  7735  		return true
  7736  	}
  7737  	// match: (GreaterEqual (CMPconst [0] z:(MADD a x y)))
  7738  	// cond: z.Uses == 1
  7739  	// result: (GreaterEqualNoov (CMN a (MUL <x.Type> x y)))
  7740  	for {
  7741  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7742  			break
  7743  		}
  7744  		z := v_0.Args[0]
  7745  		if z.Op != OpARM64MADD {
  7746  			break
  7747  		}
  7748  		y := z.Args[2]
  7749  		a := z.Args[0]
  7750  		x := z.Args[1]
  7751  		if !(z.Uses == 1) {
  7752  			break
  7753  		}
  7754  		v.reset(OpARM64GreaterEqualNoov)
  7755  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  7756  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  7757  		v1.AddArg2(x, y)
  7758  		v0.AddArg2(a, v1)
  7759  		v.AddArg(v0)
  7760  		return true
  7761  	}
  7762  	// match: (GreaterEqual (CMPWconst [0] z:(MADDW a x y)))
  7763  	// cond: z.Uses == 1
  7764  	// result: (GreaterEqualNoov (CMNW a (MULW <x.Type> x y)))
  7765  	for {
  7766  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7767  			break
  7768  		}
  7769  		z := v_0.Args[0]
  7770  		if z.Op != OpARM64MADDW {
  7771  			break
  7772  		}
  7773  		y := z.Args[2]
  7774  		a := z.Args[0]
  7775  		x := z.Args[1]
  7776  		if !(z.Uses == 1) {
  7777  			break
  7778  		}
  7779  		v.reset(OpARM64GreaterEqualNoov)
  7780  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  7781  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  7782  		v1.AddArg2(x, y)
  7783  		v0.AddArg2(a, v1)
  7784  		v.AddArg(v0)
  7785  		return true
  7786  	}
  7787  	// match: (GreaterEqual (FlagConstant [fc]))
  7788  	// result: (MOVDconst [b2i(fc.ge())])
  7789  	for {
  7790  		if v_0.Op != OpARM64FlagConstant {
  7791  			break
  7792  		}
  7793  		fc := auxIntToFlagConstant(v_0.AuxInt)
  7794  		v.reset(OpARM64MOVDconst)
  7795  		v.AuxInt = int64ToAuxInt(b2i(fc.ge()))
  7796  		return true
  7797  	}
  7798  	// match: (GreaterEqual (InvertFlags x))
  7799  	// result: (LessEqual x)
  7800  	for {
  7801  		if v_0.Op != OpARM64InvertFlags {
  7802  			break
  7803  		}
  7804  		x := v_0.Args[0]
  7805  		v.reset(OpARM64LessEqual)
  7806  		v.AddArg(x)
  7807  		return true
  7808  	}
  7809  	// match: (GreaterEqual (CMPconst x [0]))
  7810  	// result: (XORconst [1] (SRLconst <v.Type> [63] x))
  7811  	for {
  7812  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7813  			break
  7814  		}
  7815  		x := v_0.Args[0]
  7816  		v.reset(OpARM64XORconst)
  7817  		v.AuxInt = int64ToAuxInt(1)
  7818  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, v.Type)
  7819  		v0.AuxInt = int64ToAuxInt(63)
  7820  		v0.AddArg(x)
  7821  		v.AddArg(v0)
  7822  		return true
  7823  	}
  7824  	// match: (GreaterEqual (CMPWconst x [0]))
  7825  	// result: (XORconst [1] (UBFX <v.Type> [armBFAuxInt(31,1)] x))
  7826  	for {
  7827  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7828  			break
  7829  		}
  7830  		x := v_0.Args[0]
  7831  		v.reset(OpARM64XORconst)
  7832  		v.AuxInt = int64ToAuxInt(1)
  7833  		v0 := b.NewValue0(v.Pos, OpARM64UBFX, v.Type)
  7834  		v0.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(31, 1))
  7835  		v0.AddArg(x)
  7836  		v.AddArg(v0)
  7837  		return true
  7838  	}
  7839  	return false
  7840  }
  7841  func rewriteValueARM64_OpARM64GreaterEqualF(v *Value) bool {
  7842  	v_0 := v.Args[0]
  7843  	// match: (GreaterEqualF (InvertFlags x))
  7844  	// result: (LessEqualF x)
  7845  	for {
  7846  		if v_0.Op != OpARM64InvertFlags {
  7847  			break
  7848  		}
  7849  		x := v_0.Args[0]
  7850  		v.reset(OpARM64LessEqualF)
  7851  		v.AddArg(x)
  7852  		return true
  7853  	}
  7854  	return false
  7855  }
  7856  func rewriteValueARM64_OpARM64GreaterEqualNoov(v *Value) bool {
  7857  	v_0 := v.Args[0]
  7858  	// match: (GreaterEqualNoov (FlagConstant [fc]))
  7859  	// result: (MOVDconst [b2i(fc.geNoov())])
  7860  	for {
  7861  		if v_0.Op != OpARM64FlagConstant {
  7862  			break
  7863  		}
  7864  		fc := auxIntToFlagConstant(v_0.AuxInt)
  7865  		v.reset(OpARM64MOVDconst)
  7866  		v.AuxInt = int64ToAuxInt(b2i(fc.geNoov()))
  7867  		return true
  7868  	}
  7869  	return false
  7870  }
  7871  func rewriteValueARM64_OpARM64GreaterEqualU(v *Value) bool {
  7872  	v_0 := v.Args[0]
  7873  	// match: (GreaterEqualU (FlagConstant [fc]))
  7874  	// result: (MOVDconst [b2i(fc.uge())])
  7875  	for {
  7876  		if v_0.Op != OpARM64FlagConstant {
  7877  			break
  7878  		}
  7879  		fc := auxIntToFlagConstant(v_0.AuxInt)
  7880  		v.reset(OpARM64MOVDconst)
  7881  		v.AuxInt = int64ToAuxInt(b2i(fc.uge()))
  7882  		return true
  7883  	}
  7884  	// match: (GreaterEqualU (InvertFlags x))
  7885  	// result: (LessEqualU x)
  7886  	for {
  7887  		if v_0.Op != OpARM64InvertFlags {
  7888  			break
  7889  		}
  7890  		x := v_0.Args[0]
  7891  		v.reset(OpARM64LessEqualU)
  7892  		v.AddArg(x)
  7893  		return true
  7894  	}
  7895  	return false
  7896  }
  7897  func rewriteValueARM64_OpARM64GreaterThan(v *Value) bool {
  7898  	v_0 := v.Args[0]
  7899  	b := v.Block
  7900  	// match: (GreaterThan (CMPconst [0] z:(AND x y)))
  7901  	// cond: z.Uses == 1
  7902  	// result: (GreaterThan (TST x y))
  7903  	for {
  7904  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7905  			break
  7906  		}
  7907  		z := v_0.Args[0]
  7908  		if z.Op != OpARM64AND {
  7909  			break
  7910  		}
  7911  		y := z.Args[1]
  7912  		x := z.Args[0]
  7913  		if !(z.Uses == 1) {
  7914  			break
  7915  		}
  7916  		v.reset(OpARM64GreaterThan)
  7917  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  7918  		v0.AddArg2(x, y)
  7919  		v.AddArg(v0)
  7920  		return true
  7921  	}
  7922  	// match: (GreaterThan (CMPWconst [0] x:(ANDconst [c] y)))
  7923  	// cond: x.Uses == 1
  7924  	// result: (GreaterThan (TSTWconst [int32(c)] y))
  7925  	for {
  7926  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7927  			break
  7928  		}
  7929  		x := v_0.Args[0]
  7930  		if x.Op != OpARM64ANDconst {
  7931  			break
  7932  		}
  7933  		c := auxIntToInt64(x.AuxInt)
  7934  		y := x.Args[0]
  7935  		if !(x.Uses == 1) {
  7936  			break
  7937  		}
  7938  		v.reset(OpARM64GreaterThan)
  7939  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  7940  		v0.AuxInt = int32ToAuxInt(int32(c))
  7941  		v0.AddArg(y)
  7942  		v.AddArg(v0)
  7943  		return true
  7944  	}
  7945  	// match: (GreaterThan (CMPWconst [0] z:(AND x y)))
  7946  	// cond: z.Uses == 1
  7947  	// result: (GreaterThan (TSTW x y))
  7948  	for {
  7949  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  7950  			break
  7951  		}
  7952  		z := v_0.Args[0]
  7953  		if z.Op != OpARM64AND {
  7954  			break
  7955  		}
  7956  		y := z.Args[1]
  7957  		x := z.Args[0]
  7958  		if !(z.Uses == 1) {
  7959  			break
  7960  		}
  7961  		v.reset(OpARM64GreaterThan)
  7962  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  7963  		v0.AddArg2(x, y)
  7964  		v.AddArg(v0)
  7965  		return true
  7966  	}
  7967  	// match: (GreaterThan (CMPconst [0] x:(ANDconst [c] y)))
  7968  	// cond: x.Uses == 1
  7969  	// result: (GreaterThan (TSTconst [c] y))
  7970  	for {
  7971  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7972  			break
  7973  		}
  7974  		x := v_0.Args[0]
  7975  		if x.Op != OpARM64ANDconst {
  7976  			break
  7977  		}
  7978  		c := auxIntToInt64(x.AuxInt)
  7979  		y := x.Args[0]
  7980  		if !(x.Uses == 1) {
  7981  			break
  7982  		}
  7983  		v.reset(OpARM64GreaterThan)
  7984  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  7985  		v0.AuxInt = int64ToAuxInt(c)
  7986  		v0.AddArg(y)
  7987  		v.AddArg(v0)
  7988  		return true
  7989  	}
  7990  	// match: (GreaterThan (FlagConstant [fc]))
  7991  	// result: (MOVDconst [b2i(fc.gt())])
  7992  	for {
  7993  		if v_0.Op != OpARM64FlagConstant {
  7994  			break
  7995  		}
  7996  		fc := auxIntToFlagConstant(v_0.AuxInt)
  7997  		v.reset(OpARM64MOVDconst)
  7998  		v.AuxInt = int64ToAuxInt(b2i(fc.gt()))
  7999  		return true
  8000  	}
  8001  	// match: (GreaterThan (InvertFlags x))
  8002  	// result: (LessThan x)
  8003  	for {
  8004  		if v_0.Op != OpARM64InvertFlags {
  8005  			break
  8006  		}
  8007  		x := v_0.Args[0]
  8008  		v.reset(OpARM64LessThan)
  8009  		v.AddArg(x)
  8010  		return true
  8011  	}
  8012  	return false
  8013  }
  8014  func rewriteValueARM64_OpARM64GreaterThanF(v *Value) bool {
  8015  	v_0 := v.Args[0]
  8016  	// match: (GreaterThanF (InvertFlags x))
  8017  	// result: (LessThanF x)
  8018  	for {
  8019  		if v_0.Op != OpARM64InvertFlags {
  8020  			break
  8021  		}
  8022  		x := v_0.Args[0]
  8023  		v.reset(OpARM64LessThanF)
  8024  		v.AddArg(x)
  8025  		return true
  8026  	}
  8027  	return false
  8028  }
  8029  func rewriteValueARM64_OpARM64GreaterThanU(v *Value) bool {
  8030  	v_0 := v.Args[0]
  8031  	// match: (GreaterThanU (FlagConstant [fc]))
  8032  	// result: (MOVDconst [b2i(fc.ugt())])
  8033  	for {
  8034  		if v_0.Op != OpARM64FlagConstant {
  8035  			break
  8036  		}
  8037  		fc := auxIntToFlagConstant(v_0.AuxInt)
  8038  		v.reset(OpARM64MOVDconst)
  8039  		v.AuxInt = int64ToAuxInt(b2i(fc.ugt()))
  8040  		return true
  8041  	}
  8042  	// match: (GreaterThanU (InvertFlags x))
  8043  	// result: (LessThanU x)
  8044  	for {
  8045  		if v_0.Op != OpARM64InvertFlags {
  8046  			break
  8047  		}
  8048  		x := v_0.Args[0]
  8049  		v.reset(OpARM64LessThanU)
  8050  		v.AddArg(x)
  8051  		return true
  8052  	}
  8053  	return false
  8054  }
  8055  func rewriteValueARM64_OpARM64LDP(v *Value) bool {
  8056  	v_1 := v.Args[1]
  8057  	v_0 := v.Args[0]
  8058  	b := v.Block
  8059  	config := b.Func.Config
  8060  	// match: (LDP [off1] {sym} (ADDconst [off2] ptr) mem)
  8061  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8062  	// result: (LDP [off1+int32(off2)] {sym} ptr mem)
  8063  	for {
  8064  		off1 := auxIntToInt32(v.AuxInt)
  8065  		sym := auxToSym(v.Aux)
  8066  		if v_0.Op != OpARM64ADDconst {
  8067  			break
  8068  		}
  8069  		off2 := auxIntToInt64(v_0.AuxInt)
  8070  		ptr := v_0.Args[0]
  8071  		mem := v_1
  8072  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8073  			break
  8074  		}
  8075  		v.reset(OpARM64LDP)
  8076  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  8077  		v.Aux = symToAux(sym)
  8078  		v.AddArg2(ptr, mem)
  8079  		return true
  8080  	}
  8081  	// match: (LDP [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  8082  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8083  	// result: (LDP [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  8084  	for {
  8085  		off1 := auxIntToInt32(v.AuxInt)
  8086  		sym1 := auxToSym(v.Aux)
  8087  		if v_0.Op != OpARM64MOVDaddr {
  8088  			break
  8089  		}
  8090  		off2 := auxIntToInt32(v_0.AuxInt)
  8091  		sym2 := auxToSym(v_0.Aux)
  8092  		ptr := v_0.Args[0]
  8093  		mem := v_1
  8094  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8095  			break
  8096  		}
  8097  		v.reset(OpARM64LDP)
  8098  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8099  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8100  		v.AddArg2(ptr, mem)
  8101  		return true
  8102  	}
  8103  	return false
  8104  }
  8105  func rewriteValueARM64_OpARM64LessEqual(v *Value) bool {
  8106  	v_0 := v.Args[0]
  8107  	b := v.Block
  8108  	// match: (LessEqual (CMPconst [0] z:(AND x y)))
  8109  	// cond: z.Uses == 1
  8110  	// result: (LessEqual (TST x y))
  8111  	for {
  8112  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8113  			break
  8114  		}
  8115  		z := v_0.Args[0]
  8116  		if z.Op != OpARM64AND {
  8117  			break
  8118  		}
  8119  		y := z.Args[1]
  8120  		x := z.Args[0]
  8121  		if !(z.Uses == 1) {
  8122  			break
  8123  		}
  8124  		v.reset(OpARM64LessEqual)
  8125  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  8126  		v0.AddArg2(x, y)
  8127  		v.AddArg(v0)
  8128  		return true
  8129  	}
  8130  	// match: (LessEqual (CMPWconst [0] x:(ANDconst [c] y)))
  8131  	// cond: x.Uses == 1
  8132  	// result: (LessEqual (TSTWconst [int32(c)] y))
  8133  	for {
  8134  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8135  			break
  8136  		}
  8137  		x := v_0.Args[0]
  8138  		if x.Op != OpARM64ANDconst {
  8139  			break
  8140  		}
  8141  		c := auxIntToInt64(x.AuxInt)
  8142  		y := x.Args[0]
  8143  		if !(x.Uses == 1) {
  8144  			break
  8145  		}
  8146  		v.reset(OpARM64LessEqual)
  8147  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  8148  		v0.AuxInt = int32ToAuxInt(int32(c))
  8149  		v0.AddArg(y)
  8150  		v.AddArg(v0)
  8151  		return true
  8152  	}
  8153  	// match: (LessEqual (CMPWconst [0] z:(AND x y)))
  8154  	// cond: z.Uses == 1
  8155  	// result: (LessEqual (TSTW x y))
  8156  	for {
  8157  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8158  			break
  8159  		}
  8160  		z := v_0.Args[0]
  8161  		if z.Op != OpARM64AND {
  8162  			break
  8163  		}
  8164  		y := z.Args[1]
  8165  		x := z.Args[0]
  8166  		if !(z.Uses == 1) {
  8167  			break
  8168  		}
  8169  		v.reset(OpARM64LessEqual)
  8170  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  8171  		v0.AddArg2(x, y)
  8172  		v.AddArg(v0)
  8173  		return true
  8174  	}
  8175  	// match: (LessEqual (CMPconst [0] x:(ANDconst [c] y)))
  8176  	// cond: x.Uses == 1
  8177  	// result: (LessEqual (TSTconst [c] y))
  8178  	for {
  8179  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8180  			break
  8181  		}
  8182  		x := v_0.Args[0]
  8183  		if x.Op != OpARM64ANDconst {
  8184  			break
  8185  		}
  8186  		c := auxIntToInt64(x.AuxInt)
  8187  		y := x.Args[0]
  8188  		if !(x.Uses == 1) {
  8189  			break
  8190  		}
  8191  		v.reset(OpARM64LessEqual)
  8192  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  8193  		v0.AuxInt = int64ToAuxInt(c)
  8194  		v0.AddArg(y)
  8195  		v.AddArg(v0)
  8196  		return true
  8197  	}
  8198  	// match: (LessEqual (FlagConstant [fc]))
  8199  	// result: (MOVDconst [b2i(fc.le())])
  8200  	for {
  8201  		if v_0.Op != OpARM64FlagConstant {
  8202  			break
  8203  		}
  8204  		fc := auxIntToFlagConstant(v_0.AuxInt)
  8205  		v.reset(OpARM64MOVDconst)
  8206  		v.AuxInt = int64ToAuxInt(b2i(fc.le()))
  8207  		return true
  8208  	}
  8209  	// match: (LessEqual (InvertFlags x))
  8210  	// result: (GreaterEqual x)
  8211  	for {
  8212  		if v_0.Op != OpARM64InvertFlags {
  8213  			break
  8214  		}
  8215  		x := v_0.Args[0]
  8216  		v.reset(OpARM64GreaterEqual)
  8217  		v.AddArg(x)
  8218  		return true
  8219  	}
  8220  	return false
  8221  }
  8222  func rewriteValueARM64_OpARM64LessEqualF(v *Value) bool {
  8223  	v_0 := v.Args[0]
  8224  	// match: (LessEqualF (InvertFlags x))
  8225  	// result: (GreaterEqualF x)
  8226  	for {
  8227  		if v_0.Op != OpARM64InvertFlags {
  8228  			break
  8229  		}
  8230  		x := v_0.Args[0]
  8231  		v.reset(OpARM64GreaterEqualF)
  8232  		v.AddArg(x)
  8233  		return true
  8234  	}
  8235  	return false
  8236  }
  8237  func rewriteValueARM64_OpARM64LessEqualU(v *Value) bool {
  8238  	v_0 := v.Args[0]
  8239  	// match: (LessEqualU (FlagConstant [fc]))
  8240  	// result: (MOVDconst [b2i(fc.ule())])
  8241  	for {
  8242  		if v_0.Op != OpARM64FlagConstant {
  8243  			break
  8244  		}
  8245  		fc := auxIntToFlagConstant(v_0.AuxInt)
  8246  		v.reset(OpARM64MOVDconst)
  8247  		v.AuxInt = int64ToAuxInt(b2i(fc.ule()))
  8248  		return true
  8249  	}
  8250  	// match: (LessEqualU (InvertFlags x))
  8251  	// result: (GreaterEqualU x)
  8252  	for {
  8253  		if v_0.Op != OpARM64InvertFlags {
  8254  			break
  8255  		}
  8256  		x := v_0.Args[0]
  8257  		v.reset(OpARM64GreaterEqualU)
  8258  		v.AddArg(x)
  8259  		return true
  8260  	}
  8261  	return false
  8262  }
  8263  func rewriteValueARM64_OpARM64LessThan(v *Value) bool {
  8264  	v_0 := v.Args[0]
  8265  	b := v.Block
  8266  	// match: (LessThan (CMPconst [0] z:(AND x y)))
  8267  	// cond: z.Uses == 1
  8268  	// result: (LessThan (TST x y))
  8269  	for {
  8270  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8271  			break
  8272  		}
  8273  		z := v_0.Args[0]
  8274  		if z.Op != OpARM64AND {
  8275  			break
  8276  		}
  8277  		y := z.Args[1]
  8278  		x := z.Args[0]
  8279  		if !(z.Uses == 1) {
  8280  			break
  8281  		}
  8282  		v.reset(OpARM64LessThan)
  8283  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  8284  		v0.AddArg2(x, y)
  8285  		v.AddArg(v0)
  8286  		return true
  8287  	}
  8288  	// match: (LessThan (CMPWconst [0] x:(ANDconst [c] y)))
  8289  	// cond: x.Uses == 1
  8290  	// result: (LessThan (TSTWconst [int32(c)] y))
  8291  	for {
  8292  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8293  			break
  8294  		}
  8295  		x := v_0.Args[0]
  8296  		if x.Op != OpARM64ANDconst {
  8297  			break
  8298  		}
  8299  		c := auxIntToInt64(x.AuxInt)
  8300  		y := x.Args[0]
  8301  		if !(x.Uses == 1) {
  8302  			break
  8303  		}
  8304  		v.reset(OpARM64LessThan)
  8305  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  8306  		v0.AuxInt = int32ToAuxInt(int32(c))
  8307  		v0.AddArg(y)
  8308  		v.AddArg(v0)
  8309  		return true
  8310  	}
  8311  	// match: (LessThan (CMPWconst [0] z:(AND x y)))
  8312  	// cond: z.Uses == 1
  8313  	// result: (LessThan (TSTW x y))
  8314  	for {
  8315  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8316  			break
  8317  		}
  8318  		z := v_0.Args[0]
  8319  		if z.Op != OpARM64AND {
  8320  			break
  8321  		}
  8322  		y := z.Args[1]
  8323  		x := z.Args[0]
  8324  		if !(z.Uses == 1) {
  8325  			break
  8326  		}
  8327  		v.reset(OpARM64LessThan)
  8328  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  8329  		v0.AddArg2(x, y)
  8330  		v.AddArg(v0)
  8331  		return true
  8332  	}
  8333  	// match: (LessThan (CMPconst [0] x:(ANDconst [c] y)))
  8334  	// cond: x.Uses == 1
  8335  	// result: (LessThan (TSTconst [c] y))
  8336  	for {
  8337  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8338  			break
  8339  		}
  8340  		x := v_0.Args[0]
  8341  		if x.Op != OpARM64ANDconst {
  8342  			break
  8343  		}
  8344  		c := auxIntToInt64(x.AuxInt)
  8345  		y := x.Args[0]
  8346  		if !(x.Uses == 1) {
  8347  			break
  8348  		}
  8349  		v.reset(OpARM64LessThan)
  8350  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  8351  		v0.AuxInt = int64ToAuxInt(c)
  8352  		v0.AddArg(y)
  8353  		v.AddArg(v0)
  8354  		return true
  8355  	}
  8356  	// match: (LessThan (CMPconst [0] x:(ADDconst [c] y)))
  8357  	// cond: x.Uses == 1
  8358  	// result: (LessThanNoov (CMNconst [c] y))
  8359  	for {
  8360  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8361  			break
  8362  		}
  8363  		x := v_0.Args[0]
  8364  		if x.Op != OpARM64ADDconst {
  8365  			break
  8366  		}
  8367  		c := auxIntToInt64(x.AuxInt)
  8368  		y := x.Args[0]
  8369  		if !(x.Uses == 1) {
  8370  			break
  8371  		}
  8372  		v.reset(OpARM64LessThanNoov)
  8373  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  8374  		v0.AuxInt = int64ToAuxInt(c)
  8375  		v0.AddArg(y)
  8376  		v.AddArg(v0)
  8377  		return true
  8378  	}
  8379  	// match: (LessThan (CMPWconst [0] x:(ADDconst [c] y)))
  8380  	// cond: x.Uses == 1
  8381  	// result: (LessThanNoov (CMNWconst [int32(c)] y))
  8382  	for {
  8383  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8384  			break
  8385  		}
  8386  		x := v_0.Args[0]
  8387  		if x.Op != OpARM64ADDconst {
  8388  			break
  8389  		}
  8390  		c := auxIntToInt64(x.AuxInt)
  8391  		y := x.Args[0]
  8392  		if !(x.Uses == 1) {
  8393  			break
  8394  		}
  8395  		v.reset(OpARM64LessThanNoov)
  8396  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  8397  		v0.AuxInt = int32ToAuxInt(int32(c))
  8398  		v0.AddArg(y)
  8399  		v.AddArg(v0)
  8400  		return true
  8401  	}
  8402  	// match: (LessThan (CMPconst [0] z:(ADD x y)))
  8403  	// cond: z.Uses == 1
  8404  	// result: (LessThanNoov (CMN x y))
  8405  	for {
  8406  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8407  			break
  8408  		}
  8409  		z := v_0.Args[0]
  8410  		if z.Op != OpARM64ADD {
  8411  			break
  8412  		}
  8413  		y := z.Args[1]
  8414  		x := z.Args[0]
  8415  		if !(z.Uses == 1) {
  8416  			break
  8417  		}
  8418  		v.reset(OpARM64LessThanNoov)
  8419  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  8420  		v0.AddArg2(x, y)
  8421  		v.AddArg(v0)
  8422  		return true
  8423  	}
  8424  	// match: (LessThan (CMPWconst [0] z:(ADD x y)))
  8425  	// cond: z.Uses == 1
  8426  	// result: (LessThanNoov (CMNW x y))
  8427  	for {
  8428  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8429  			break
  8430  		}
  8431  		z := v_0.Args[0]
  8432  		if z.Op != OpARM64ADD {
  8433  			break
  8434  		}
  8435  		y := z.Args[1]
  8436  		x := z.Args[0]
  8437  		if !(z.Uses == 1) {
  8438  			break
  8439  		}
  8440  		v.reset(OpARM64LessThanNoov)
  8441  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  8442  		v0.AddArg2(x, y)
  8443  		v.AddArg(v0)
  8444  		return true
  8445  	}
  8446  	// match: (LessThan (CMPconst [0] z:(MADD a x y)))
  8447  	// cond: z.Uses == 1
  8448  	// result: (LessThanNoov (CMN a (MUL <x.Type> x y)))
  8449  	for {
  8450  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8451  			break
  8452  		}
  8453  		z := v_0.Args[0]
  8454  		if z.Op != OpARM64MADD {
  8455  			break
  8456  		}
  8457  		y := z.Args[2]
  8458  		a := z.Args[0]
  8459  		x := z.Args[1]
  8460  		if !(z.Uses == 1) {
  8461  			break
  8462  		}
  8463  		v.reset(OpARM64LessThanNoov)
  8464  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  8465  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  8466  		v1.AddArg2(x, y)
  8467  		v0.AddArg2(a, v1)
  8468  		v.AddArg(v0)
  8469  		return true
  8470  	}
  8471  	// match: (LessThan (CMPWconst [0] z:(MADDW a x y)))
  8472  	// cond: z.Uses == 1
  8473  	// result: (LessThanNoov (CMNW a (MULW <x.Type> x y)))
  8474  	for {
  8475  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8476  			break
  8477  		}
  8478  		z := v_0.Args[0]
  8479  		if z.Op != OpARM64MADDW {
  8480  			break
  8481  		}
  8482  		y := z.Args[2]
  8483  		a := z.Args[0]
  8484  		x := z.Args[1]
  8485  		if !(z.Uses == 1) {
  8486  			break
  8487  		}
  8488  		v.reset(OpARM64LessThanNoov)
  8489  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  8490  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  8491  		v1.AddArg2(x, y)
  8492  		v0.AddArg2(a, v1)
  8493  		v.AddArg(v0)
  8494  		return true
  8495  	}
  8496  	// match: (LessThan (FlagConstant [fc]))
  8497  	// result: (MOVDconst [b2i(fc.lt())])
  8498  	for {
  8499  		if v_0.Op != OpARM64FlagConstant {
  8500  			break
  8501  		}
  8502  		fc := auxIntToFlagConstant(v_0.AuxInt)
  8503  		v.reset(OpARM64MOVDconst)
  8504  		v.AuxInt = int64ToAuxInt(b2i(fc.lt()))
  8505  		return true
  8506  	}
  8507  	// match: (LessThan (InvertFlags x))
  8508  	// result: (GreaterThan x)
  8509  	for {
  8510  		if v_0.Op != OpARM64InvertFlags {
  8511  			break
  8512  		}
  8513  		x := v_0.Args[0]
  8514  		v.reset(OpARM64GreaterThan)
  8515  		v.AddArg(x)
  8516  		return true
  8517  	}
  8518  	// match: (LessThan (CMPconst x [0]))
  8519  	// result: (SRLconst [63] x)
  8520  	for {
  8521  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  8522  			break
  8523  		}
  8524  		x := v_0.Args[0]
  8525  		v.reset(OpARM64SRLconst)
  8526  		v.AuxInt = int64ToAuxInt(63)
  8527  		v.AddArg(x)
  8528  		return true
  8529  	}
  8530  	// match: (LessThan (CMPWconst x [0]))
  8531  	// result: (UBFX [armBFAuxInt(31,1)] x)
  8532  	for {
  8533  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  8534  			break
  8535  		}
  8536  		x := v_0.Args[0]
  8537  		v.reset(OpARM64UBFX)
  8538  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(31, 1))
  8539  		v.AddArg(x)
  8540  		return true
  8541  	}
  8542  	return false
  8543  }
  8544  func rewriteValueARM64_OpARM64LessThanF(v *Value) bool {
  8545  	v_0 := v.Args[0]
  8546  	// match: (LessThanF (InvertFlags x))
  8547  	// result: (GreaterThanF x)
  8548  	for {
  8549  		if v_0.Op != OpARM64InvertFlags {
  8550  			break
  8551  		}
  8552  		x := v_0.Args[0]
  8553  		v.reset(OpARM64GreaterThanF)
  8554  		v.AddArg(x)
  8555  		return true
  8556  	}
  8557  	return false
  8558  }
  8559  func rewriteValueARM64_OpARM64LessThanNoov(v *Value) bool {
  8560  	v_0 := v.Args[0]
  8561  	// match: (LessThanNoov (FlagConstant [fc]))
  8562  	// result: (MOVDconst [b2i(fc.ltNoov())])
  8563  	for {
  8564  		if v_0.Op != OpARM64FlagConstant {
  8565  			break
  8566  		}
  8567  		fc := auxIntToFlagConstant(v_0.AuxInt)
  8568  		v.reset(OpARM64MOVDconst)
  8569  		v.AuxInt = int64ToAuxInt(b2i(fc.ltNoov()))
  8570  		return true
  8571  	}
  8572  	return false
  8573  }
  8574  func rewriteValueARM64_OpARM64LessThanU(v *Value) bool {
  8575  	v_0 := v.Args[0]
  8576  	// match: (LessThanU (FlagConstant [fc]))
  8577  	// result: (MOVDconst [b2i(fc.ult())])
  8578  	for {
  8579  		if v_0.Op != OpARM64FlagConstant {
  8580  			break
  8581  		}
  8582  		fc := auxIntToFlagConstant(v_0.AuxInt)
  8583  		v.reset(OpARM64MOVDconst)
  8584  		v.AuxInt = int64ToAuxInt(b2i(fc.ult()))
  8585  		return true
  8586  	}
  8587  	// match: (LessThanU (InvertFlags x))
  8588  	// result: (GreaterThanU x)
  8589  	for {
  8590  		if v_0.Op != OpARM64InvertFlags {
  8591  			break
  8592  		}
  8593  		x := v_0.Args[0]
  8594  		v.reset(OpARM64GreaterThanU)
  8595  		v.AddArg(x)
  8596  		return true
  8597  	}
  8598  	return false
  8599  }
  8600  func rewriteValueARM64_OpARM64LoweredPanicBoundsCR(v *Value) bool {
  8601  	v_1 := v.Args[1]
  8602  	v_0 := v.Args[0]
  8603  	// match: (LoweredPanicBoundsCR [kind] {p} (MOVDconst [c]) mem)
  8604  	// result: (LoweredPanicBoundsCC [kind] {PanicBoundsCC{Cx:p.C, Cy:c}} mem)
  8605  	for {
  8606  		kind := auxIntToInt64(v.AuxInt)
  8607  		p := auxToPanicBoundsC(v.Aux)
  8608  		if v_0.Op != OpARM64MOVDconst {
  8609  			break
  8610  		}
  8611  		c := auxIntToInt64(v_0.AuxInt)
  8612  		mem := v_1
  8613  		v.reset(OpARM64LoweredPanicBoundsCC)
  8614  		v.AuxInt = int64ToAuxInt(kind)
  8615  		v.Aux = panicBoundsCCToAux(PanicBoundsCC{Cx: p.C, Cy: c})
  8616  		v.AddArg(mem)
  8617  		return true
  8618  	}
  8619  	return false
  8620  }
  8621  func rewriteValueARM64_OpARM64LoweredPanicBoundsRC(v *Value) bool {
  8622  	v_1 := v.Args[1]
  8623  	v_0 := v.Args[0]
  8624  	// match: (LoweredPanicBoundsRC [kind] {p} (MOVDconst [c]) mem)
  8625  	// result: (LoweredPanicBoundsCC [kind] {PanicBoundsCC{Cx:c, Cy:p.C}} mem)
  8626  	for {
  8627  		kind := auxIntToInt64(v.AuxInt)
  8628  		p := auxToPanicBoundsC(v.Aux)
  8629  		if v_0.Op != OpARM64MOVDconst {
  8630  			break
  8631  		}
  8632  		c := auxIntToInt64(v_0.AuxInt)
  8633  		mem := v_1
  8634  		v.reset(OpARM64LoweredPanicBoundsCC)
  8635  		v.AuxInt = int64ToAuxInt(kind)
  8636  		v.Aux = panicBoundsCCToAux(PanicBoundsCC{Cx: c, Cy: p.C})
  8637  		v.AddArg(mem)
  8638  		return true
  8639  	}
  8640  	return false
  8641  }
  8642  func rewriteValueARM64_OpARM64LoweredPanicBoundsRR(v *Value) bool {
  8643  	v_2 := v.Args[2]
  8644  	v_1 := v.Args[1]
  8645  	v_0 := v.Args[0]
  8646  	// match: (LoweredPanicBoundsRR [kind] x (MOVDconst [c]) mem)
  8647  	// result: (LoweredPanicBoundsRC [kind] x {PanicBoundsC{C:c}} mem)
  8648  	for {
  8649  		kind := auxIntToInt64(v.AuxInt)
  8650  		x := v_0
  8651  		if v_1.Op != OpARM64MOVDconst {
  8652  			break
  8653  		}
  8654  		c := auxIntToInt64(v_1.AuxInt)
  8655  		mem := v_2
  8656  		v.reset(OpARM64LoweredPanicBoundsRC)
  8657  		v.AuxInt = int64ToAuxInt(kind)
  8658  		v.Aux = panicBoundsCToAux(PanicBoundsC{C: c})
  8659  		v.AddArg2(x, mem)
  8660  		return true
  8661  	}
  8662  	// match: (LoweredPanicBoundsRR [kind] (MOVDconst [c]) y mem)
  8663  	// result: (LoweredPanicBoundsCR [kind] {PanicBoundsC{C:c}} y mem)
  8664  	for {
  8665  		kind := auxIntToInt64(v.AuxInt)
  8666  		if v_0.Op != OpARM64MOVDconst {
  8667  			break
  8668  		}
  8669  		c := auxIntToInt64(v_0.AuxInt)
  8670  		y := v_1
  8671  		mem := v_2
  8672  		v.reset(OpARM64LoweredPanicBoundsCR)
  8673  		v.AuxInt = int64ToAuxInt(kind)
  8674  		v.Aux = panicBoundsCToAux(PanicBoundsC{C: c})
  8675  		v.AddArg2(y, mem)
  8676  		return true
  8677  	}
  8678  	return false
  8679  }
  8680  func rewriteValueARM64_OpARM64MADD(v *Value) bool {
  8681  	v_2 := v.Args[2]
  8682  	v_1 := v.Args[1]
  8683  	v_0 := v.Args[0]
  8684  	b := v.Block
  8685  	// match: (MADD a x (MOVDconst [-1]))
  8686  	// result: (SUB a x)
  8687  	for {
  8688  		a := v_0
  8689  		x := v_1
  8690  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != -1 {
  8691  			break
  8692  		}
  8693  		v.reset(OpARM64SUB)
  8694  		v.AddArg2(a, x)
  8695  		return true
  8696  	}
  8697  	// match: (MADD a _ (MOVDconst [0]))
  8698  	// result: a
  8699  	for {
  8700  		a := v_0
  8701  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  8702  			break
  8703  		}
  8704  		v.copyOf(a)
  8705  		return true
  8706  	}
  8707  	// match: (MADD a x (MOVDconst [1]))
  8708  	// result: (ADD a x)
  8709  	for {
  8710  		a := v_0
  8711  		x := v_1
  8712  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 1 {
  8713  			break
  8714  		}
  8715  		v.reset(OpARM64ADD)
  8716  		v.AddArg2(a, x)
  8717  		return true
  8718  	}
  8719  	// match: (MADD a x (MOVDconst [c]))
  8720  	// cond: isPowerOfTwo(c)
  8721  	// result: (ADDshiftLL a x [log64(c)])
  8722  	for {
  8723  		a := v_0
  8724  		x := v_1
  8725  		if v_2.Op != OpARM64MOVDconst {
  8726  			break
  8727  		}
  8728  		c := auxIntToInt64(v_2.AuxInt)
  8729  		if !(isPowerOfTwo(c)) {
  8730  			break
  8731  		}
  8732  		v.reset(OpARM64ADDshiftLL)
  8733  		v.AuxInt = int64ToAuxInt(log64(c))
  8734  		v.AddArg2(a, x)
  8735  		return true
  8736  	}
  8737  	// match: (MADD a x (MOVDconst [c]))
  8738  	// cond: isPowerOfTwo(c-1) && c>=3
  8739  	// result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)]))
  8740  	for {
  8741  		a := v_0
  8742  		x := v_1
  8743  		if v_2.Op != OpARM64MOVDconst {
  8744  			break
  8745  		}
  8746  		c := auxIntToInt64(v_2.AuxInt)
  8747  		if !(isPowerOfTwo(c-1) && c >= 3) {
  8748  			break
  8749  		}
  8750  		v.reset(OpARM64ADD)
  8751  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8752  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
  8753  		v0.AddArg2(x, x)
  8754  		v.AddArg2(a, v0)
  8755  		return true
  8756  	}
  8757  	// match: (MADD a x (MOVDconst [c]))
  8758  	// cond: isPowerOfTwo(c+1) && c>=7
  8759  	// result: (SUB a (SUBshiftLL <x.Type> x x [log64(c+1)]))
  8760  	for {
  8761  		a := v_0
  8762  		x := v_1
  8763  		if v_2.Op != OpARM64MOVDconst {
  8764  			break
  8765  		}
  8766  		c := auxIntToInt64(v_2.AuxInt)
  8767  		if !(isPowerOfTwo(c+1) && c >= 7) {
  8768  			break
  8769  		}
  8770  		v.reset(OpARM64SUB)
  8771  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8772  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
  8773  		v0.AddArg2(x, x)
  8774  		v.AddArg2(a, v0)
  8775  		return true
  8776  	}
  8777  	// match: (MADD a x (MOVDconst [c]))
  8778  	// cond: c%3 == 0 && isPowerOfTwo(c/3)
  8779  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
  8780  	for {
  8781  		a := v_0
  8782  		x := v_1
  8783  		if v_2.Op != OpARM64MOVDconst {
  8784  			break
  8785  		}
  8786  		c := auxIntToInt64(v_2.AuxInt)
  8787  		if !(c%3 == 0 && isPowerOfTwo(c/3)) {
  8788  			break
  8789  		}
  8790  		v.reset(OpARM64SUBshiftLL)
  8791  		v.AuxInt = int64ToAuxInt(log64(c / 3))
  8792  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8793  		v0.AuxInt = int64ToAuxInt(2)
  8794  		v0.AddArg2(x, x)
  8795  		v.AddArg2(a, v0)
  8796  		return true
  8797  	}
  8798  	// match: (MADD a x (MOVDconst [c]))
  8799  	// cond: c%5 == 0 && isPowerOfTwo(c/5)
  8800  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
  8801  	for {
  8802  		a := v_0
  8803  		x := v_1
  8804  		if v_2.Op != OpARM64MOVDconst {
  8805  			break
  8806  		}
  8807  		c := auxIntToInt64(v_2.AuxInt)
  8808  		if !(c%5 == 0 && isPowerOfTwo(c/5)) {
  8809  			break
  8810  		}
  8811  		v.reset(OpARM64ADDshiftLL)
  8812  		v.AuxInt = int64ToAuxInt(log64(c / 5))
  8813  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8814  		v0.AuxInt = int64ToAuxInt(2)
  8815  		v0.AddArg2(x, x)
  8816  		v.AddArg2(a, v0)
  8817  		return true
  8818  	}
  8819  	// match: (MADD a x (MOVDconst [c]))
  8820  	// cond: c%7 == 0 && isPowerOfTwo(c/7)
  8821  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
  8822  	for {
  8823  		a := v_0
  8824  		x := v_1
  8825  		if v_2.Op != OpARM64MOVDconst {
  8826  			break
  8827  		}
  8828  		c := auxIntToInt64(v_2.AuxInt)
  8829  		if !(c%7 == 0 && isPowerOfTwo(c/7)) {
  8830  			break
  8831  		}
  8832  		v.reset(OpARM64SUBshiftLL)
  8833  		v.AuxInt = int64ToAuxInt(log64(c / 7))
  8834  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8835  		v0.AuxInt = int64ToAuxInt(3)
  8836  		v0.AddArg2(x, x)
  8837  		v.AddArg2(a, v0)
  8838  		return true
  8839  	}
  8840  	// match: (MADD a x (MOVDconst [c]))
  8841  	// cond: c%9 == 0 && isPowerOfTwo(c/9)
  8842  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
  8843  	for {
  8844  		a := v_0
  8845  		x := v_1
  8846  		if v_2.Op != OpARM64MOVDconst {
  8847  			break
  8848  		}
  8849  		c := auxIntToInt64(v_2.AuxInt)
  8850  		if !(c%9 == 0 && isPowerOfTwo(c/9)) {
  8851  			break
  8852  		}
  8853  		v.reset(OpARM64ADDshiftLL)
  8854  		v.AuxInt = int64ToAuxInt(log64(c / 9))
  8855  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8856  		v0.AuxInt = int64ToAuxInt(3)
  8857  		v0.AddArg2(x, x)
  8858  		v.AddArg2(a, v0)
  8859  		return true
  8860  	}
  8861  	// match: (MADD a (MOVDconst [-1]) x)
  8862  	// result: (SUB a x)
  8863  	for {
  8864  		a := v_0
  8865  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  8866  			break
  8867  		}
  8868  		x := v_2
  8869  		v.reset(OpARM64SUB)
  8870  		v.AddArg2(a, x)
  8871  		return true
  8872  	}
  8873  	// match: (MADD a (MOVDconst [0]) _)
  8874  	// result: a
  8875  	for {
  8876  		a := v_0
  8877  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  8878  			break
  8879  		}
  8880  		v.copyOf(a)
  8881  		return true
  8882  	}
  8883  	// match: (MADD a (MOVDconst [1]) x)
  8884  	// result: (ADD a x)
  8885  	for {
  8886  		a := v_0
  8887  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  8888  			break
  8889  		}
  8890  		x := v_2
  8891  		v.reset(OpARM64ADD)
  8892  		v.AddArg2(a, x)
  8893  		return true
  8894  	}
  8895  	// match: (MADD a (MOVDconst [c]) x)
  8896  	// cond: isPowerOfTwo(c)
  8897  	// result: (ADDshiftLL a x [log64(c)])
  8898  	for {
  8899  		a := v_0
  8900  		if v_1.Op != OpARM64MOVDconst {
  8901  			break
  8902  		}
  8903  		c := auxIntToInt64(v_1.AuxInt)
  8904  		x := v_2
  8905  		if !(isPowerOfTwo(c)) {
  8906  			break
  8907  		}
  8908  		v.reset(OpARM64ADDshiftLL)
  8909  		v.AuxInt = int64ToAuxInt(log64(c))
  8910  		v.AddArg2(a, x)
  8911  		return true
  8912  	}
  8913  	// match: (MADD a (MOVDconst [c]) x)
  8914  	// cond: isPowerOfTwo(c-1) && c>=3
  8915  	// result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)]))
  8916  	for {
  8917  		a := v_0
  8918  		if v_1.Op != OpARM64MOVDconst {
  8919  			break
  8920  		}
  8921  		c := auxIntToInt64(v_1.AuxInt)
  8922  		x := v_2
  8923  		if !(isPowerOfTwo(c-1) && c >= 3) {
  8924  			break
  8925  		}
  8926  		v.reset(OpARM64ADD)
  8927  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8928  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
  8929  		v0.AddArg2(x, x)
  8930  		v.AddArg2(a, v0)
  8931  		return true
  8932  	}
  8933  	// match: (MADD a (MOVDconst [c]) x)
  8934  	// cond: isPowerOfTwo(c+1) && c>=7
  8935  	// result: (SUB a (SUBshiftLL <x.Type> x x [log64(c+1)]))
  8936  	for {
  8937  		a := v_0
  8938  		if v_1.Op != OpARM64MOVDconst {
  8939  			break
  8940  		}
  8941  		c := auxIntToInt64(v_1.AuxInt)
  8942  		x := v_2
  8943  		if !(isPowerOfTwo(c+1) && c >= 7) {
  8944  			break
  8945  		}
  8946  		v.reset(OpARM64SUB)
  8947  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8948  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
  8949  		v0.AddArg2(x, x)
  8950  		v.AddArg2(a, v0)
  8951  		return true
  8952  	}
  8953  	// match: (MADD a (MOVDconst [c]) x)
  8954  	// cond: c%3 == 0 && isPowerOfTwo(c/3)
  8955  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
  8956  	for {
  8957  		a := v_0
  8958  		if v_1.Op != OpARM64MOVDconst {
  8959  			break
  8960  		}
  8961  		c := auxIntToInt64(v_1.AuxInt)
  8962  		x := v_2
  8963  		if !(c%3 == 0 && isPowerOfTwo(c/3)) {
  8964  			break
  8965  		}
  8966  		v.reset(OpARM64SUBshiftLL)
  8967  		v.AuxInt = int64ToAuxInt(log64(c / 3))
  8968  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8969  		v0.AuxInt = int64ToAuxInt(2)
  8970  		v0.AddArg2(x, x)
  8971  		v.AddArg2(a, v0)
  8972  		return true
  8973  	}
  8974  	// match: (MADD a (MOVDconst [c]) x)
  8975  	// cond: c%5 == 0 && isPowerOfTwo(c/5)
  8976  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
  8977  	for {
  8978  		a := v_0
  8979  		if v_1.Op != OpARM64MOVDconst {
  8980  			break
  8981  		}
  8982  		c := auxIntToInt64(v_1.AuxInt)
  8983  		x := v_2
  8984  		if !(c%5 == 0 && isPowerOfTwo(c/5)) {
  8985  			break
  8986  		}
  8987  		v.reset(OpARM64ADDshiftLL)
  8988  		v.AuxInt = int64ToAuxInt(log64(c / 5))
  8989  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8990  		v0.AuxInt = int64ToAuxInt(2)
  8991  		v0.AddArg2(x, x)
  8992  		v.AddArg2(a, v0)
  8993  		return true
  8994  	}
  8995  	// match: (MADD a (MOVDconst [c]) x)
  8996  	// cond: c%7 == 0 && isPowerOfTwo(c/7)
  8997  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
  8998  	for {
  8999  		a := v_0
  9000  		if v_1.Op != OpARM64MOVDconst {
  9001  			break
  9002  		}
  9003  		c := auxIntToInt64(v_1.AuxInt)
  9004  		x := v_2
  9005  		if !(c%7 == 0 && isPowerOfTwo(c/7)) {
  9006  			break
  9007  		}
  9008  		v.reset(OpARM64SUBshiftLL)
  9009  		v.AuxInt = int64ToAuxInt(log64(c / 7))
  9010  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9011  		v0.AuxInt = int64ToAuxInt(3)
  9012  		v0.AddArg2(x, x)
  9013  		v.AddArg2(a, v0)
  9014  		return true
  9015  	}
  9016  	// match: (MADD a (MOVDconst [c]) x)
  9017  	// cond: c%9 == 0 && isPowerOfTwo(c/9)
  9018  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
  9019  	for {
  9020  		a := v_0
  9021  		if v_1.Op != OpARM64MOVDconst {
  9022  			break
  9023  		}
  9024  		c := auxIntToInt64(v_1.AuxInt)
  9025  		x := v_2
  9026  		if !(c%9 == 0 && isPowerOfTwo(c/9)) {
  9027  			break
  9028  		}
  9029  		v.reset(OpARM64ADDshiftLL)
  9030  		v.AuxInt = int64ToAuxInt(log64(c / 9))
  9031  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9032  		v0.AuxInt = int64ToAuxInt(3)
  9033  		v0.AddArg2(x, x)
  9034  		v.AddArg2(a, v0)
  9035  		return true
  9036  	}
  9037  	// match: (MADD (MOVDconst [c]) x y)
  9038  	// result: (ADDconst [c] (MUL <x.Type> x y))
  9039  	for {
  9040  		if v_0.Op != OpARM64MOVDconst {
  9041  			break
  9042  		}
  9043  		c := auxIntToInt64(v_0.AuxInt)
  9044  		x := v_1
  9045  		y := v_2
  9046  		v.reset(OpARM64ADDconst)
  9047  		v.AuxInt = int64ToAuxInt(c)
  9048  		v0 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  9049  		v0.AddArg2(x, y)
  9050  		v.AddArg(v0)
  9051  		return true
  9052  	}
  9053  	// match: (MADD a (MOVDconst [c]) (MOVDconst [d]))
  9054  	// result: (ADDconst [c*d] a)
  9055  	for {
  9056  		a := v_0
  9057  		if v_1.Op != OpARM64MOVDconst {
  9058  			break
  9059  		}
  9060  		c := auxIntToInt64(v_1.AuxInt)
  9061  		if v_2.Op != OpARM64MOVDconst {
  9062  			break
  9063  		}
  9064  		d := auxIntToInt64(v_2.AuxInt)
  9065  		v.reset(OpARM64ADDconst)
  9066  		v.AuxInt = int64ToAuxInt(c * d)
  9067  		v.AddArg(a)
  9068  		return true
  9069  	}
  9070  	return false
  9071  }
  9072  func rewriteValueARM64_OpARM64MADDW(v *Value) bool {
  9073  	v_2 := v.Args[2]
  9074  	v_1 := v.Args[1]
  9075  	v_0 := v.Args[0]
  9076  	b := v.Block
  9077  	// match: (MADDW a x (MOVDconst [c]))
  9078  	// cond: int32(c)==-1
  9079  	// result: (MOVWUreg (SUB <a.Type> a x))
  9080  	for {
  9081  		a := v_0
  9082  		x := v_1
  9083  		if v_2.Op != OpARM64MOVDconst {
  9084  			break
  9085  		}
  9086  		c := auxIntToInt64(v_2.AuxInt)
  9087  		if !(int32(c) == -1) {
  9088  			break
  9089  		}
  9090  		v.reset(OpARM64MOVWUreg)
  9091  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  9092  		v0.AddArg2(a, x)
  9093  		v.AddArg(v0)
  9094  		return true
  9095  	}
  9096  	// match: (MADDW a _ (MOVDconst [c]))
  9097  	// cond: int32(c)==0
  9098  	// result: (MOVWUreg a)
  9099  	for {
  9100  		a := v_0
  9101  		if v_2.Op != OpARM64MOVDconst {
  9102  			break
  9103  		}
  9104  		c := auxIntToInt64(v_2.AuxInt)
  9105  		if !(int32(c) == 0) {
  9106  			break
  9107  		}
  9108  		v.reset(OpARM64MOVWUreg)
  9109  		v.AddArg(a)
  9110  		return true
  9111  	}
  9112  	// match: (MADDW a x (MOVDconst [c]))
  9113  	// cond: int32(c)==1
  9114  	// result: (MOVWUreg (ADD <a.Type> a x))
  9115  	for {
  9116  		a := v_0
  9117  		x := v_1
  9118  		if v_2.Op != OpARM64MOVDconst {
  9119  			break
  9120  		}
  9121  		c := auxIntToInt64(v_2.AuxInt)
  9122  		if !(int32(c) == 1) {
  9123  			break
  9124  		}
  9125  		v.reset(OpARM64MOVWUreg)
  9126  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  9127  		v0.AddArg2(a, x)
  9128  		v.AddArg(v0)
  9129  		return true
  9130  	}
  9131  	// match: (MADDW a x (MOVDconst [c]))
  9132  	// cond: isPowerOfTwo(c)
  9133  	// result: (MOVWUreg (ADDshiftLL <a.Type> a x [log64(c)]))
  9134  	for {
  9135  		a := v_0
  9136  		x := v_1
  9137  		if v_2.Op != OpARM64MOVDconst {
  9138  			break
  9139  		}
  9140  		c := auxIntToInt64(v_2.AuxInt)
  9141  		if !(isPowerOfTwo(c)) {
  9142  			break
  9143  		}
  9144  		v.reset(OpARM64MOVWUreg)
  9145  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  9146  		v0.AuxInt = int64ToAuxInt(log64(c))
  9147  		v0.AddArg2(a, x)
  9148  		v.AddArg(v0)
  9149  		return true
  9150  	}
  9151  	// match: (MADDW a x (MOVDconst [c]))
  9152  	// cond: isPowerOfTwo(c-1) && int32(c)>=3
  9153  	// result: (MOVWUreg (ADD <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
  9154  	for {
  9155  		a := v_0
  9156  		x := v_1
  9157  		if v_2.Op != OpARM64MOVDconst {
  9158  			break
  9159  		}
  9160  		c := auxIntToInt64(v_2.AuxInt)
  9161  		if !(isPowerOfTwo(c-1) && int32(c) >= 3) {
  9162  			break
  9163  		}
  9164  		v.reset(OpARM64MOVWUreg)
  9165  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  9166  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9167  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
  9168  		v1.AddArg2(x, x)
  9169  		v0.AddArg2(a, v1)
  9170  		v.AddArg(v0)
  9171  		return true
  9172  	}
  9173  	// match: (MADDW a x (MOVDconst [c]))
  9174  	// cond: isPowerOfTwo(c+1) && int32(c)>=7
  9175  	// result: (MOVWUreg (SUB <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
  9176  	for {
  9177  		a := v_0
  9178  		x := v_1
  9179  		if v_2.Op != OpARM64MOVDconst {
  9180  			break
  9181  		}
  9182  		c := auxIntToInt64(v_2.AuxInt)
  9183  		if !(isPowerOfTwo(c+1) && int32(c) >= 7) {
  9184  			break
  9185  		}
  9186  		v.reset(OpARM64MOVWUreg)
  9187  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  9188  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9189  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
  9190  		v1.AddArg2(x, x)
  9191  		v0.AddArg2(a, v1)
  9192  		v.AddArg(v0)
  9193  		return true
  9194  	}
  9195  	// match: (MADDW a x (MOVDconst [c]))
  9196  	// cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)
  9197  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
  9198  	for {
  9199  		a := v_0
  9200  		x := v_1
  9201  		if v_2.Op != OpARM64MOVDconst {
  9202  			break
  9203  		}
  9204  		c := auxIntToInt64(v_2.AuxInt)
  9205  		if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) {
  9206  			break
  9207  		}
  9208  		v.reset(OpARM64MOVWUreg)
  9209  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  9210  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
  9211  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9212  		v1.AuxInt = int64ToAuxInt(2)
  9213  		v1.AddArg2(x, x)
  9214  		v0.AddArg2(a, v1)
  9215  		v.AddArg(v0)
  9216  		return true
  9217  	}
  9218  	// match: (MADDW a x (MOVDconst [c]))
  9219  	// cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)
  9220  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
  9221  	for {
  9222  		a := v_0
  9223  		x := v_1
  9224  		if v_2.Op != OpARM64MOVDconst {
  9225  			break
  9226  		}
  9227  		c := auxIntToInt64(v_2.AuxInt)
  9228  		if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) {
  9229  			break
  9230  		}
  9231  		v.reset(OpARM64MOVWUreg)
  9232  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  9233  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
  9234  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9235  		v1.AuxInt = int64ToAuxInt(2)
  9236  		v1.AddArg2(x, x)
  9237  		v0.AddArg2(a, v1)
  9238  		v.AddArg(v0)
  9239  		return true
  9240  	}
  9241  	// match: (MADDW a x (MOVDconst [c]))
  9242  	// cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)
  9243  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
  9244  	for {
  9245  		a := v_0
  9246  		x := v_1
  9247  		if v_2.Op != OpARM64MOVDconst {
  9248  			break
  9249  		}
  9250  		c := auxIntToInt64(v_2.AuxInt)
  9251  		if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) {
  9252  			break
  9253  		}
  9254  		v.reset(OpARM64MOVWUreg)
  9255  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  9256  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
  9257  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9258  		v1.AuxInt = int64ToAuxInt(3)
  9259  		v1.AddArg2(x, x)
  9260  		v0.AddArg2(a, v1)
  9261  		v.AddArg(v0)
  9262  		return true
  9263  	}
  9264  	// match: (MADDW a x (MOVDconst [c]))
  9265  	// cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)
  9266  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
  9267  	for {
  9268  		a := v_0
  9269  		x := v_1
  9270  		if v_2.Op != OpARM64MOVDconst {
  9271  			break
  9272  		}
  9273  		c := auxIntToInt64(v_2.AuxInt)
  9274  		if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) {
  9275  			break
  9276  		}
  9277  		v.reset(OpARM64MOVWUreg)
  9278  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  9279  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
  9280  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9281  		v1.AuxInt = int64ToAuxInt(3)
  9282  		v1.AddArg2(x, x)
  9283  		v0.AddArg2(a, v1)
  9284  		v.AddArg(v0)
  9285  		return true
  9286  	}
  9287  	// match: (MADDW a (MOVDconst [c]) x)
  9288  	// cond: int32(c)==-1
  9289  	// result: (MOVWUreg (SUB <a.Type> a x))
  9290  	for {
  9291  		a := v_0
  9292  		if v_1.Op != OpARM64MOVDconst {
  9293  			break
  9294  		}
  9295  		c := auxIntToInt64(v_1.AuxInt)
  9296  		x := v_2
  9297  		if !(int32(c) == -1) {
  9298  			break
  9299  		}
  9300  		v.reset(OpARM64MOVWUreg)
  9301  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  9302  		v0.AddArg2(a, x)
  9303  		v.AddArg(v0)
  9304  		return true
  9305  	}
  9306  	// match: (MADDW a (MOVDconst [c]) _)
  9307  	// cond: int32(c)==0
  9308  	// result: (MOVWUreg a)
  9309  	for {
  9310  		a := v_0
  9311  		if v_1.Op != OpARM64MOVDconst {
  9312  			break
  9313  		}
  9314  		c := auxIntToInt64(v_1.AuxInt)
  9315  		if !(int32(c) == 0) {
  9316  			break
  9317  		}
  9318  		v.reset(OpARM64MOVWUreg)
  9319  		v.AddArg(a)
  9320  		return true
  9321  	}
  9322  	// match: (MADDW a (MOVDconst [c]) x)
  9323  	// cond: int32(c)==1
  9324  	// result: (MOVWUreg (ADD <a.Type> a x))
  9325  	for {
  9326  		a := v_0
  9327  		if v_1.Op != OpARM64MOVDconst {
  9328  			break
  9329  		}
  9330  		c := auxIntToInt64(v_1.AuxInt)
  9331  		x := v_2
  9332  		if !(int32(c) == 1) {
  9333  			break
  9334  		}
  9335  		v.reset(OpARM64MOVWUreg)
  9336  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  9337  		v0.AddArg2(a, x)
  9338  		v.AddArg(v0)
  9339  		return true
  9340  	}
  9341  	// match: (MADDW a (MOVDconst [c]) x)
  9342  	// cond: isPowerOfTwo(c)
  9343  	// result: (MOVWUreg (ADDshiftLL <a.Type> a x [log64(c)]))
  9344  	for {
  9345  		a := v_0
  9346  		if v_1.Op != OpARM64MOVDconst {
  9347  			break
  9348  		}
  9349  		c := auxIntToInt64(v_1.AuxInt)
  9350  		x := v_2
  9351  		if !(isPowerOfTwo(c)) {
  9352  			break
  9353  		}
  9354  		v.reset(OpARM64MOVWUreg)
  9355  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  9356  		v0.AuxInt = int64ToAuxInt(log64(c))
  9357  		v0.AddArg2(a, x)
  9358  		v.AddArg(v0)
  9359  		return true
  9360  	}
  9361  	// match: (MADDW a (MOVDconst [c]) x)
  9362  	// cond: isPowerOfTwo(c-1) && int32(c)>=3
  9363  	// result: (MOVWUreg (ADD <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
  9364  	for {
  9365  		a := v_0
  9366  		if v_1.Op != OpARM64MOVDconst {
  9367  			break
  9368  		}
  9369  		c := auxIntToInt64(v_1.AuxInt)
  9370  		x := v_2
  9371  		if !(isPowerOfTwo(c-1) && int32(c) >= 3) {
  9372  			break
  9373  		}
  9374  		v.reset(OpARM64MOVWUreg)
  9375  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  9376  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9377  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
  9378  		v1.AddArg2(x, x)
  9379  		v0.AddArg2(a, v1)
  9380  		v.AddArg(v0)
  9381  		return true
  9382  	}
  9383  	// match: (MADDW a (MOVDconst [c]) x)
  9384  	// cond: isPowerOfTwo(c+1) && int32(c)>=7
  9385  	// result: (MOVWUreg (SUB <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
  9386  	for {
  9387  		a := v_0
  9388  		if v_1.Op != OpARM64MOVDconst {
  9389  			break
  9390  		}
  9391  		c := auxIntToInt64(v_1.AuxInt)
  9392  		x := v_2
  9393  		if !(isPowerOfTwo(c+1) && int32(c) >= 7) {
  9394  			break
  9395  		}
  9396  		v.reset(OpARM64MOVWUreg)
  9397  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  9398  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9399  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
  9400  		v1.AddArg2(x, x)
  9401  		v0.AddArg2(a, v1)
  9402  		v.AddArg(v0)
  9403  		return true
  9404  	}
  9405  	// match: (MADDW a (MOVDconst [c]) x)
  9406  	// cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)
  9407  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
  9408  	for {
  9409  		a := v_0
  9410  		if v_1.Op != OpARM64MOVDconst {
  9411  			break
  9412  		}
  9413  		c := auxIntToInt64(v_1.AuxInt)
  9414  		x := v_2
  9415  		if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) {
  9416  			break
  9417  		}
  9418  		v.reset(OpARM64MOVWUreg)
  9419  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  9420  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
  9421  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9422  		v1.AuxInt = int64ToAuxInt(2)
  9423  		v1.AddArg2(x, x)
  9424  		v0.AddArg2(a, v1)
  9425  		v.AddArg(v0)
  9426  		return true
  9427  	}
  9428  	// match: (MADDW a (MOVDconst [c]) x)
  9429  	// cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)
  9430  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
  9431  	for {
  9432  		a := v_0
  9433  		if v_1.Op != OpARM64MOVDconst {
  9434  			break
  9435  		}
  9436  		c := auxIntToInt64(v_1.AuxInt)
  9437  		x := v_2
  9438  		if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) {
  9439  			break
  9440  		}
  9441  		v.reset(OpARM64MOVWUreg)
  9442  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  9443  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
  9444  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9445  		v1.AuxInt = int64ToAuxInt(2)
  9446  		v1.AddArg2(x, x)
  9447  		v0.AddArg2(a, v1)
  9448  		v.AddArg(v0)
  9449  		return true
  9450  	}
  9451  	// match: (MADDW a (MOVDconst [c]) x)
  9452  	// cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)
  9453  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
  9454  	for {
  9455  		a := v_0
  9456  		if v_1.Op != OpARM64MOVDconst {
  9457  			break
  9458  		}
  9459  		c := auxIntToInt64(v_1.AuxInt)
  9460  		x := v_2
  9461  		if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) {
  9462  			break
  9463  		}
  9464  		v.reset(OpARM64MOVWUreg)
  9465  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  9466  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
  9467  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9468  		v1.AuxInt = int64ToAuxInt(3)
  9469  		v1.AddArg2(x, x)
  9470  		v0.AddArg2(a, v1)
  9471  		v.AddArg(v0)
  9472  		return true
  9473  	}
  9474  	// match: (MADDW a (MOVDconst [c]) x)
  9475  	// cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)
  9476  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
  9477  	for {
  9478  		a := v_0
  9479  		if v_1.Op != OpARM64MOVDconst {
  9480  			break
  9481  		}
  9482  		c := auxIntToInt64(v_1.AuxInt)
  9483  		x := v_2
  9484  		if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) {
  9485  			break
  9486  		}
  9487  		v.reset(OpARM64MOVWUreg)
  9488  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  9489  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
  9490  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9491  		v1.AuxInt = int64ToAuxInt(3)
  9492  		v1.AddArg2(x, x)
  9493  		v0.AddArg2(a, v1)
  9494  		v.AddArg(v0)
  9495  		return true
  9496  	}
  9497  	// match: (MADDW (MOVDconst [c]) x y)
  9498  	// result: (MOVWUreg (ADDconst <x.Type> [c] (MULW <x.Type> x y)))
  9499  	for {
  9500  		if v_0.Op != OpARM64MOVDconst {
  9501  			break
  9502  		}
  9503  		c := auxIntToInt64(v_0.AuxInt)
  9504  		x := v_1
  9505  		y := v_2
  9506  		v.reset(OpARM64MOVWUreg)
  9507  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, x.Type)
  9508  		v0.AuxInt = int64ToAuxInt(c)
  9509  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  9510  		v1.AddArg2(x, y)
  9511  		v0.AddArg(v1)
  9512  		v.AddArg(v0)
  9513  		return true
  9514  	}
  9515  	// match: (MADDW a (MOVDconst [c]) (MOVDconst [d]))
  9516  	// result: (MOVWUreg (ADDconst <a.Type> [c*d] a))
  9517  	for {
  9518  		a := v_0
  9519  		if v_1.Op != OpARM64MOVDconst {
  9520  			break
  9521  		}
  9522  		c := auxIntToInt64(v_1.AuxInt)
  9523  		if v_2.Op != OpARM64MOVDconst {
  9524  			break
  9525  		}
  9526  		d := auxIntToInt64(v_2.AuxInt)
  9527  		v.reset(OpARM64MOVWUreg)
  9528  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, a.Type)
  9529  		v0.AuxInt = int64ToAuxInt(c * d)
  9530  		v0.AddArg(a)
  9531  		v.AddArg(v0)
  9532  		return true
  9533  	}
  9534  	return false
  9535  }
  9536  func rewriteValueARM64_OpARM64MNEG(v *Value) bool {
  9537  	v_1 := v.Args[1]
  9538  	v_0 := v.Args[0]
  9539  	b := v.Block
  9540  	// match: (MNEG x (MOVDconst [-1]))
  9541  	// result: x
  9542  	for {
  9543  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9544  			x := v_0
  9545  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  9546  				continue
  9547  			}
  9548  			v.copyOf(x)
  9549  			return true
  9550  		}
  9551  		break
  9552  	}
  9553  	// match: (MNEG _ (MOVDconst [0]))
  9554  	// result: (MOVDconst [0])
  9555  	for {
  9556  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9557  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  9558  				continue
  9559  			}
  9560  			v.reset(OpARM64MOVDconst)
  9561  			v.AuxInt = int64ToAuxInt(0)
  9562  			return true
  9563  		}
  9564  		break
  9565  	}
  9566  	// match: (MNEG x (MOVDconst [1]))
  9567  	// result: (NEG x)
  9568  	for {
  9569  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9570  			x := v_0
  9571  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  9572  				continue
  9573  			}
  9574  			v.reset(OpARM64NEG)
  9575  			v.AddArg(x)
  9576  			return true
  9577  		}
  9578  		break
  9579  	}
  9580  	// match: (MNEG x (MOVDconst [c]))
  9581  	// cond: isPowerOfTwo(c)
  9582  	// result: (NEG (SLLconst <x.Type> [log64(c)] x))
  9583  	for {
  9584  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9585  			x := v_0
  9586  			if v_1.Op != OpARM64MOVDconst {
  9587  				continue
  9588  			}
  9589  			c := auxIntToInt64(v_1.AuxInt)
  9590  			if !(isPowerOfTwo(c)) {
  9591  				continue
  9592  			}
  9593  			v.reset(OpARM64NEG)
  9594  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9595  			v0.AuxInt = int64ToAuxInt(log64(c))
  9596  			v0.AddArg(x)
  9597  			v.AddArg(v0)
  9598  			return true
  9599  		}
  9600  		break
  9601  	}
  9602  	// match: (MNEG x (MOVDconst [c]))
  9603  	// cond: isPowerOfTwo(c-1) && c >= 3
  9604  	// result: (NEG (ADDshiftLL <x.Type> x x [log64(c-1)]))
  9605  	for {
  9606  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9607  			x := v_0
  9608  			if v_1.Op != OpARM64MOVDconst {
  9609  				continue
  9610  			}
  9611  			c := auxIntToInt64(v_1.AuxInt)
  9612  			if !(isPowerOfTwo(c-1) && c >= 3) {
  9613  				continue
  9614  			}
  9615  			v.reset(OpARM64NEG)
  9616  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9617  			v0.AuxInt = int64ToAuxInt(log64(c - 1))
  9618  			v0.AddArg2(x, x)
  9619  			v.AddArg(v0)
  9620  			return true
  9621  		}
  9622  		break
  9623  	}
  9624  	// match: (MNEG x (MOVDconst [c]))
  9625  	// cond: isPowerOfTwo(c+1) && c >= 7
  9626  	// result: (NEG (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)]))
  9627  	for {
  9628  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9629  			x := v_0
  9630  			if v_1.Op != OpARM64MOVDconst {
  9631  				continue
  9632  			}
  9633  			c := auxIntToInt64(v_1.AuxInt)
  9634  			if !(isPowerOfTwo(c+1) && c >= 7) {
  9635  				continue
  9636  			}
  9637  			v.reset(OpARM64NEG)
  9638  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9639  			v0.AuxInt = int64ToAuxInt(log64(c + 1))
  9640  			v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9641  			v1.AddArg(x)
  9642  			v0.AddArg2(v1, x)
  9643  			v.AddArg(v0)
  9644  			return true
  9645  		}
  9646  		break
  9647  	}
  9648  	// match: (MNEG x (MOVDconst [c]))
  9649  	// cond: c%3 == 0 && isPowerOfTwo(c/3)
  9650  	// result: (SLLconst <x.Type> [log64(c/3)] (SUBshiftLL <x.Type> x x [2]))
  9651  	for {
  9652  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9653  			x := v_0
  9654  			if v_1.Op != OpARM64MOVDconst {
  9655  				continue
  9656  			}
  9657  			c := auxIntToInt64(v_1.AuxInt)
  9658  			if !(c%3 == 0 && isPowerOfTwo(c/3)) {
  9659  				continue
  9660  			}
  9661  			v.reset(OpARM64SLLconst)
  9662  			v.Type = x.Type
  9663  			v.AuxInt = int64ToAuxInt(log64(c / 3))
  9664  			v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9665  			v0.AuxInt = int64ToAuxInt(2)
  9666  			v0.AddArg2(x, x)
  9667  			v.AddArg(v0)
  9668  			return true
  9669  		}
  9670  		break
  9671  	}
  9672  	// match: (MNEG x (MOVDconst [c]))
  9673  	// cond: c%5 == 0 && isPowerOfTwo(c/5)
  9674  	// result: (NEG (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2])))
  9675  	for {
  9676  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9677  			x := v_0
  9678  			if v_1.Op != OpARM64MOVDconst {
  9679  				continue
  9680  			}
  9681  			c := auxIntToInt64(v_1.AuxInt)
  9682  			if !(c%5 == 0 && isPowerOfTwo(c/5)) {
  9683  				continue
  9684  			}
  9685  			v.reset(OpARM64NEG)
  9686  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9687  			v0.AuxInt = int64ToAuxInt(log64(c / 5))
  9688  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9689  			v1.AuxInt = int64ToAuxInt(2)
  9690  			v1.AddArg2(x, x)
  9691  			v0.AddArg(v1)
  9692  			v.AddArg(v0)
  9693  			return true
  9694  		}
  9695  		break
  9696  	}
  9697  	// match: (MNEG x (MOVDconst [c]))
  9698  	// cond: c%7 == 0 && isPowerOfTwo(c/7)
  9699  	// result: (SLLconst <x.Type> [log64(c/7)] (SUBshiftLL <x.Type> x x [3]))
  9700  	for {
  9701  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9702  			x := v_0
  9703  			if v_1.Op != OpARM64MOVDconst {
  9704  				continue
  9705  			}
  9706  			c := auxIntToInt64(v_1.AuxInt)
  9707  			if !(c%7 == 0 && isPowerOfTwo(c/7)) {
  9708  				continue
  9709  			}
  9710  			v.reset(OpARM64SLLconst)
  9711  			v.Type = x.Type
  9712  			v.AuxInt = int64ToAuxInt(log64(c / 7))
  9713  			v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9714  			v0.AuxInt = int64ToAuxInt(3)
  9715  			v0.AddArg2(x, x)
  9716  			v.AddArg(v0)
  9717  			return true
  9718  		}
  9719  		break
  9720  	}
  9721  	// match: (MNEG x (MOVDconst [c]))
  9722  	// cond: c%9 == 0 && isPowerOfTwo(c/9)
  9723  	// result: (NEG (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3])))
  9724  	for {
  9725  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9726  			x := v_0
  9727  			if v_1.Op != OpARM64MOVDconst {
  9728  				continue
  9729  			}
  9730  			c := auxIntToInt64(v_1.AuxInt)
  9731  			if !(c%9 == 0 && isPowerOfTwo(c/9)) {
  9732  				continue
  9733  			}
  9734  			v.reset(OpARM64NEG)
  9735  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9736  			v0.AuxInt = int64ToAuxInt(log64(c / 9))
  9737  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9738  			v1.AuxInt = int64ToAuxInt(3)
  9739  			v1.AddArg2(x, x)
  9740  			v0.AddArg(v1)
  9741  			v.AddArg(v0)
  9742  			return true
  9743  		}
  9744  		break
  9745  	}
  9746  	// match: (MNEG (MOVDconst [c]) (MOVDconst [d]))
  9747  	// result: (MOVDconst [-c*d])
  9748  	for {
  9749  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9750  			if v_0.Op != OpARM64MOVDconst {
  9751  				continue
  9752  			}
  9753  			c := auxIntToInt64(v_0.AuxInt)
  9754  			if v_1.Op != OpARM64MOVDconst {
  9755  				continue
  9756  			}
  9757  			d := auxIntToInt64(v_1.AuxInt)
  9758  			v.reset(OpARM64MOVDconst)
  9759  			v.AuxInt = int64ToAuxInt(-c * d)
  9760  			return true
  9761  		}
  9762  		break
  9763  	}
  9764  	return false
  9765  }
  9766  func rewriteValueARM64_OpARM64MNEGW(v *Value) bool {
  9767  	v_1 := v.Args[1]
  9768  	v_0 := v.Args[0]
  9769  	b := v.Block
  9770  	// match: (MNEGW x (MOVDconst [c]))
  9771  	// cond: int32(c)==-1
  9772  	// result: (MOVWUreg x)
  9773  	for {
  9774  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9775  			x := v_0
  9776  			if v_1.Op != OpARM64MOVDconst {
  9777  				continue
  9778  			}
  9779  			c := auxIntToInt64(v_1.AuxInt)
  9780  			if !(int32(c) == -1) {
  9781  				continue
  9782  			}
  9783  			v.reset(OpARM64MOVWUreg)
  9784  			v.AddArg(x)
  9785  			return true
  9786  		}
  9787  		break
  9788  	}
  9789  	// match: (MNEGW _ (MOVDconst [c]))
  9790  	// cond: int32(c)==0
  9791  	// result: (MOVDconst [0])
  9792  	for {
  9793  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9794  			if v_1.Op != OpARM64MOVDconst {
  9795  				continue
  9796  			}
  9797  			c := auxIntToInt64(v_1.AuxInt)
  9798  			if !(int32(c) == 0) {
  9799  				continue
  9800  			}
  9801  			v.reset(OpARM64MOVDconst)
  9802  			v.AuxInt = int64ToAuxInt(0)
  9803  			return true
  9804  		}
  9805  		break
  9806  	}
  9807  	// match: (MNEGW x (MOVDconst [c]))
  9808  	// cond: int32(c)==1
  9809  	// result: (MOVWUreg (NEG <x.Type> x))
  9810  	for {
  9811  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9812  			x := v_0
  9813  			if v_1.Op != OpARM64MOVDconst {
  9814  				continue
  9815  			}
  9816  			c := auxIntToInt64(v_1.AuxInt)
  9817  			if !(int32(c) == 1) {
  9818  				continue
  9819  			}
  9820  			v.reset(OpARM64MOVWUreg)
  9821  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9822  			v0.AddArg(x)
  9823  			v.AddArg(v0)
  9824  			return true
  9825  		}
  9826  		break
  9827  	}
  9828  	// match: (MNEGW x (MOVDconst [c]))
  9829  	// cond: isPowerOfTwo(c)
  9830  	// result: (NEG (SLLconst <x.Type> [log64(c)] x))
  9831  	for {
  9832  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9833  			x := v_0
  9834  			if v_1.Op != OpARM64MOVDconst {
  9835  				continue
  9836  			}
  9837  			c := auxIntToInt64(v_1.AuxInt)
  9838  			if !(isPowerOfTwo(c)) {
  9839  				continue
  9840  			}
  9841  			v.reset(OpARM64NEG)
  9842  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9843  			v0.AuxInt = int64ToAuxInt(log64(c))
  9844  			v0.AddArg(x)
  9845  			v.AddArg(v0)
  9846  			return true
  9847  		}
  9848  		break
  9849  	}
  9850  	// match: (MNEGW x (MOVDconst [c]))
  9851  	// cond: isPowerOfTwo(c-1) && int32(c) >= 3
  9852  	// result: (MOVWUreg (NEG <x.Type> (ADDshiftLL <x.Type> x x [log64(c-1)])))
  9853  	for {
  9854  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9855  			x := v_0
  9856  			if v_1.Op != OpARM64MOVDconst {
  9857  				continue
  9858  			}
  9859  			c := auxIntToInt64(v_1.AuxInt)
  9860  			if !(isPowerOfTwo(c-1) && int32(c) >= 3) {
  9861  				continue
  9862  			}
  9863  			v.reset(OpARM64MOVWUreg)
  9864  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9865  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9866  			v1.AuxInt = int64ToAuxInt(log64(c - 1))
  9867  			v1.AddArg2(x, x)
  9868  			v0.AddArg(v1)
  9869  			v.AddArg(v0)
  9870  			return true
  9871  		}
  9872  		break
  9873  	}
  9874  	// match: (MNEGW x (MOVDconst [c]))
  9875  	// cond: isPowerOfTwo(c+1) && int32(c) >= 7
  9876  	// result: (MOVWUreg (NEG <x.Type> (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)])))
  9877  	for {
  9878  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9879  			x := v_0
  9880  			if v_1.Op != OpARM64MOVDconst {
  9881  				continue
  9882  			}
  9883  			c := auxIntToInt64(v_1.AuxInt)
  9884  			if !(isPowerOfTwo(c+1) && int32(c) >= 7) {
  9885  				continue
  9886  			}
  9887  			v.reset(OpARM64MOVWUreg)
  9888  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9889  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9890  			v1.AuxInt = int64ToAuxInt(log64(c + 1))
  9891  			v2 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9892  			v2.AddArg(x)
  9893  			v1.AddArg2(v2, x)
  9894  			v0.AddArg(v1)
  9895  			v.AddArg(v0)
  9896  			return true
  9897  		}
  9898  		break
  9899  	}
  9900  	// match: (MNEGW x (MOVDconst [c]))
  9901  	// cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)
  9902  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/3)] (SUBshiftLL <x.Type> x x [2])))
  9903  	for {
  9904  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9905  			x := v_0
  9906  			if v_1.Op != OpARM64MOVDconst {
  9907  				continue
  9908  			}
  9909  			c := auxIntToInt64(v_1.AuxInt)
  9910  			if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) {
  9911  				continue
  9912  			}
  9913  			v.reset(OpARM64MOVWUreg)
  9914  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9915  			v0.AuxInt = int64ToAuxInt(log64(c / 3))
  9916  			v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9917  			v1.AuxInt = int64ToAuxInt(2)
  9918  			v1.AddArg2(x, x)
  9919  			v0.AddArg(v1)
  9920  			v.AddArg(v0)
  9921  			return true
  9922  		}
  9923  		break
  9924  	}
  9925  	// match: (MNEGW x (MOVDconst [c]))
  9926  	// cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)
  9927  	// result: (MOVWUreg (NEG <x.Type> (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2]))))
  9928  	for {
  9929  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9930  			x := v_0
  9931  			if v_1.Op != OpARM64MOVDconst {
  9932  				continue
  9933  			}
  9934  			c := auxIntToInt64(v_1.AuxInt)
  9935  			if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) {
  9936  				continue
  9937  			}
  9938  			v.reset(OpARM64MOVWUreg)
  9939  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9940  			v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9941  			v1.AuxInt = int64ToAuxInt(log64(c / 5))
  9942  			v2 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9943  			v2.AuxInt = int64ToAuxInt(2)
  9944  			v2.AddArg2(x, x)
  9945  			v1.AddArg(v2)
  9946  			v0.AddArg(v1)
  9947  			v.AddArg(v0)
  9948  			return true
  9949  		}
  9950  		break
  9951  	}
  9952  	// match: (MNEGW x (MOVDconst [c]))
  9953  	// cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)
  9954  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/7)] (SUBshiftLL <x.Type> x x [3])))
  9955  	for {
  9956  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9957  			x := v_0
  9958  			if v_1.Op != OpARM64MOVDconst {
  9959  				continue
  9960  			}
  9961  			c := auxIntToInt64(v_1.AuxInt)
  9962  			if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) {
  9963  				continue
  9964  			}
  9965  			v.reset(OpARM64MOVWUreg)
  9966  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9967  			v0.AuxInt = int64ToAuxInt(log64(c / 7))
  9968  			v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  9969  			v1.AuxInt = int64ToAuxInt(3)
  9970  			v1.AddArg2(x, x)
  9971  			v0.AddArg(v1)
  9972  			v.AddArg(v0)
  9973  			return true
  9974  		}
  9975  		break
  9976  	}
  9977  	// match: (MNEGW x (MOVDconst [c]))
  9978  	// cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)
  9979  	// result: (MOVWUreg (NEG <x.Type> (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3]))))
  9980  	for {
  9981  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  9982  			x := v_0
  9983  			if v_1.Op != OpARM64MOVDconst {
  9984  				continue
  9985  			}
  9986  			c := auxIntToInt64(v_1.AuxInt)
  9987  			if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) {
  9988  				continue
  9989  			}
  9990  			v.reset(OpARM64MOVWUreg)
  9991  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  9992  			v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  9993  			v1.AuxInt = int64ToAuxInt(log64(c / 9))
  9994  			v2 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  9995  			v2.AuxInt = int64ToAuxInt(3)
  9996  			v2.AddArg2(x, x)
  9997  			v1.AddArg(v2)
  9998  			v0.AddArg(v1)
  9999  			v.AddArg(v0)
 10000  			return true
 10001  		}
 10002  		break
 10003  	}
 10004  	// match: (MNEGW (MOVDconst [c]) (MOVDconst [d]))
 10005  	// result: (MOVDconst [int64(uint32(-c*d))])
 10006  	for {
 10007  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 10008  			if v_0.Op != OpARM64MOVDconst {
 10009  				continue
 10010  			}
 10011  			c := auxIntToInt64(v_0.AuxInt)
 10012  			if v_1.Op != OpARM64MOVDconst {
 10013  				continue
 10014  			}
 10015  			d := auxIntToInt64(v_1.AuxInt)
 10016  			v.reset(OpARM64MOVDconst)
 10017  			v.AuxInt = int64ToAuxInt(int64(uint32(-c * d)))
 10018  			return true
 10019  		}
 10020  		break
 10021  	}
 10022  	return false
 10023  }
 10024  func rewriteValueARM64_OpARM64MOD(v *Value) bool {
 10025  	v_1 := v.Args[1]
 10026  	v_0 := v.Args[0]
 10027  	// match: (MOD (MOVDconst [c]) (MOVDconst [d]))
 10028  	// cond: d != 0
 10029  	// result: (MOVDconst [c%d])
 10030  	for {
 10031  		if v_0.Op != OpARM64MOVDconst {
 10032  			break
 10033  		}
 10034  		c := auxIntToInt64(v_0.AuxInt)
 10035  		if v_1.Op != OpARM64MOVDconst {
 10036  			break
 10037  		}
 10038  		d := auxIntToInt64(v_1.AuxInt)
 10039  		if !(d != 0) {
 10040  			break
 10041  		}
 10042  		v.reset(OpARM64MOVDconst)
 10043  		v.AuxInt = int64ToAuxInt(c % d)
 10044  		return true
 10045  	}
 10046  	return false
 10047  }
 10048  func rewriteValueARM64_OpARM64MODW(v *Value) bool {
 10049  	v_1 := v.Args[1]
 10050  	v_0 := v.Args[0]
 10051  	// match: (MODW (MOVDconst [c]) (MOVDconst [d]))
 10052  	// cond: d != 0
 10053  	// result: (MOVDconst [int64(uint32(int32(c)%int32(d)))])
 10054  	for {
 10055  		if v_0.Op != OpARM64MOVDconst {
 10056  			break
 10057  		}
 10058  		c := auxIntToInt64(v_0.AuxInt)
 10059  		if v_1.Op != OpARM64MOVDconst {
 10060  			break
 10061  		}
 10062  		d := auxIntToInt64(v_1.AuxInt)
 10063  		if !(d != 0) {
 10064  			break
 10065  		}
 10066  		v.reset(OpARM64MOVDconst)
 10067  		v.AuxInt = int64ToAuxInt(int64(uint32(int32(c) % int32(d))))
 10068  		return true
 10069  	}
 10070  	return false
 10071  }
 10072  func rewriteValueARM64_OpARM64MOVBUload(v *Value) bool {
 10073  	v_1 := v.Args[1]
 10074  	v_0 := v.Args[0]
 10075  	b := v.Block
 10076  	config := b.Func.Config
 10077  	// match: (MOVBUload [off1] {sym} (ADDconst [off2] ptr) mem)
 10078  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10079  	// result: (MOVBUload [off1+int32(off2)] {sym} ptr mem)
 10080  	for {
 10081  		off1 := auxIntToInt32(v.AuxInt)
 10082  		sym := auxToSym(v.Aux)
 10083  		if v_0.Op != OpARM64ADDconst {
 10084  			break
 10085  		}
 10086  		off2 := auxIntToInt64(v_0.AuxInt)
 10087  		ptr := v_0.Args[0]
 10088  		mem := v_1
 10089  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10090  			break
 10091  		}
 10092  		v.reset(OpARM64MOVBUload)
 10093  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10094  		v.Aux = symToAux(sym)
 10095  		v.AddArg2(ptr, mem)
 10096  		return true
 10097  	}
 10098  	// match: (MOVBUload [off] {sym} (ADD ptr idx) mem)
 10099  	// cond: off == 0 && sym == nil
 10100  	// result: (MOVBUloadidx ptr idx mem)
 10101  	for {
 10102  		off := auxIntToInt32(v.AuxInt)
 10103  		sym := auxToSym(v.Aux)
 10104  		if v_0.Op != OpARM64ADD {
 10105  			break
 10106  		}
 10107  		idx := v_0.Args[1]
 10108  		ptr := v_0.Args[0]
 10109  		mem := v_1
 10110  		if !(off == 0 && sym == nil) {
 10111  			break
 10112  		}
 10113  		v.reset(OpARM64MOVBUloadidx)
 10114  		v.AddArg3(ptr, idx, mem)
 10115  		return true
 10116  	}
 10117  	// match: (MOVBUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 10118  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10119  	// result: (MOVBUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 10120  	for {
 10121  		off1 := auxIntToInt32(v.AuxInt)
 10122  		sym1 := auxToSym(v.Aux)
 10123  		if v_0.Op != OpARM64MOVDaddr {
 10124  			break
 10125  		}
 10126  		off2 := auxIntToInt32(v_0.AuxInt)
 10127  		sym2 := auxToSym(v_0.Aux)
 10128  		ptr := v_0.Args[0]
 10129  		mem := v_1
 10130  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10131  			break
 10132  		}
 10133  		v.reset(OpARM64MOVBUload)
 10134  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10135  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10136  		v.AddArg2(ptr, mem)
 10137  		return true
 10138  	}
 10139  	// match: (MOVBUload [off] {sym} (SB) _)
 10140  	// cond: symIsRO(sym)
 10141  	// result: (MOVDconst [int64(read8(sym, int64(off)))])
 10142  	for {
 10143  		off := auxIntToInt32(v.AuxInt)
 10144  		sym := auxToSym(v.Aux)
 10145  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 10146  			break
 10147  		}
 10148  		v.reset(OpARM64MOVDconst)
 10149  		v.AuxInt = int64ToAuxInt(int64(read8(sym, int64(off))))
 10150  		return true
 10151  	}
 10152  	return false
 10153  }
 10154  func rewriteValueARM64_OpARM64MOVBUloadidx(v *Value) bool {
 10155  	v_2 := v.Args[2]
 10156  	v_1 := v.Args[1]
 10157  	v_0 := v.Args[0]
 10158  	// match: (MOVBUloadidx ptr (MOVDconst [c]) mem)
 10159  	// cond: is32Bit(c)
 10160  	// result: (MOVBUload [int32(c)] ptr mem)
 10161  	for {
 10162  		ptr := v_0
 10163  		if v_1.Op != OpARM64MOVDconst {
 10164  			break
 10165  		}
 10166  		c := auxIntToInt64(v_1.AuxInt)
 10167  		mem := v_2
 10168  		if !(is32Bit(c)) {
 10169  			break
 10170  		}
 10171  		v.reset(OpARM64MOVBUload)
 10172  		v.AuxInt = int32ToAuxInt(int32(c))
 10173  		v.AddArg2(ptr, mem)
 10174  		return true
 10175  	}
 10176  	// match: (MOVBUloadidx (MOVDconst [c]) ptr mem)
 10177  	// cond: is32Bit(c)
 10178  	// result: (MOVBUload [int32(c)] ptr mem)
 10179  	for {
 10180  		if v_0.Op != OpARM64MOVDconst {
 10181  			break
 10182  		}
 10183  		c := auxIntToInt64(v_0.AuxInt)
 10184  		ptr := v_1
 10185  		mem := v_2
 10186  		if !(is32Bit(c)) {
 10187  			break
 10188  		}
 10189  		v.reset(OpARM64MOVBUload)
 10190  		v.AuxInt = int32ToAuxInt(int32(c))
 10191  		v.AddArg2(ptr, mem)
 10192  		return true
 10193  	}
 10194  	return false
 10195  }
 10196  func rewriteValueARM64_OpARM64MOVBUreg(v *Value) bool {
 10197  	v_0 := v.Args[0]
 10198  	// match: (MOVBUreg (ANDconst [c] x))
 10199  	// result: (ANDconst [c&(1<<8-1)] x)
 10200  	for {
 10201  		if v_0.Op != OpARM64ANDconst {
 10202  			break
 10203  		}
 10204  		c := auxIntToInt64(v_0.AuxInt)
 10205  		x := v_0.Args[0]
 10206  		v.reset(OpARM64ANDconst)
 10207  		v.AuxInt = int64ToAuxInt(c & (1<<8 - 1))
 10208  		v.AddArg(x)
 10209  		return true
 10210  	}
 10211  	// match: (MOVBUreg (MOVDconst [c]))
 10212  	// result: (MOVDconst [int64(uint8(c))])
 10213  	for {
 10214  		if v_0.Op != OpARM64MOVDconst {
 10215  			break
 10216  		}
 10217  		c := auxIntToInt64(v_0.AuxInt)
 10218  		v.reset(OpARM64MOVDconst)
 10219  		v.AuxInt = int64ToAuxInt(int64(uint8(c)))
 10220  		return true
 10221  	}
 10222  	// match: (MOVBUreg x)
 10223  	// cond: v.Type.Size() <= 1
 10224  	// result: x
 10225  	for {
 10226  		x := v_0
 10227  		if !(v.Type.Size() <= 1) {
 10228  			break
 10229  		}
 10230  		v.copyOf(x)
 10231  		return true
 10232  	}
 10233  	// match: (MOVBUreg (SLLconst [lc] x))
 10234  	// cond: lc >= 8
 10235  	// result: (MOVDconst [0])
 10236  	for {
 10237  		if v_0.Op != OpARM64SLLconst {
 10238  			break
 10239  		}
 10240  		lc := auxIntToInt64(v_0.AuxInt)
 10241  		if !(lc >= 8) {
 10242  			break
 10243  		}
 10244  		v.reset(OpARM64MOVDconst)
 10245  		v.AuxInt = int64ToAuxInt(0)
 10246  		return true
 10247  	}
 10248  	// match: (MOVBUreg (SLLconst [lc] x))
 10249  	// cond: lc < 8
 10250  	// result: (UBFIZ [armBFAuxInt(lc, 8-lc)] x)
 10251  	for {
 10252  		if v_0.Op != OpARM64SLLconst {
 10253  			break
 10254  		}
 10255  		lc := auxIntToInt64(v_0.AuxInt)
 10256  		x := v_0.Args[0]
 10257  		if !(lc < 8) {
 10258  			break
 10259  		}
 10260  		v.reset(OpARM64UBFIZ)
 10261  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 8-lc))
 10262  		v.AddArg(x)
 10263  		return true
 10264  	}
 10265  	// match: (MOVBUreg (SRLconst [rc] x))
 10266  	// cond: rc < 8
 10267  	// result: (UBFX [armBFAuxInt(rc, 8)] x)
 10268  	for {
 10269  		if v_0.Op != OpARM64SRLconst {
 10270  			break
 10271  		}
 10272  		rc := auxIntToInt64(v_0.AuxInt)
 10273  		x := v_0.Args[0]
 10274  		if !(rc < 8) {
 10275  			break
 10276  		}
 10277  		v.reset(OpARM64UBFX)
 10278  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8))
 10279  		v.AddArg(x)
 10280  		return true
 10281  	}
 10282  	// match: (MOVBUreg (UBFX [bfc] x))
 10283  	// cond: bfc.width() <= 8
 10284  	// result: (UBFX [bfc] x)
 10285  	for {
 10286  		if v_0.Op != OpARM64UBFX {
 10287  			break
 10288  		}
 10289  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 10290  		x := v_0.Args[0]
 10291  		if !(bfc.width() <= 8) {
 10292  			break
 10293  		}
 10294  		v.reset(OpARM64UBFX)
 10295  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 10296  		v.AddArg(x)
 10297  		return true
 10298  	}
 10299  	return false
 10300  }
 10301  func rewriteValueARM64_OpARM64MOVBload(v *Value) bool {
 10302  	v_1 := v.Args[1]
 10303  	v_0 := v.Args[0]
 10304  	b := v.Block
 10305  	config := b.Func.Config
 10306  	// match: (MOVBload [off1] {sym} (ADDconst [off2] ptr) mem)
 10307  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10308  	// result: (MOVBload [off1+int32(off2)] {sym} ptr mem)
 10309  	for {
 10310  		off1 := auxIntToInt32(v.AuxInt)
 10311  		sym := auxToSym(v.Aux)
 10312  		if v_0.Op != OpARM64ADDconst {
 10313  			break
 10314  		}
 10315  		off2 := auxIntToInt64(v_0.AuxInt)
 10316  		ptr := v_0.Args[0]
 10317  		mem := v_1
 10318  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10319  			break
 10320  		}
 10321  		v.reset(OpARM64MOVBload)
 10322  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10323  		v.Aux = symToAux(sym)
 10324  		v.AddArg2(ptr, mem)
 10325  		return true
 10326  	}
 10327  	// match: (MOVBload [off] {sym} (ADD ptr idx) mem)
 10328  	// cond: off == 0 && sym == nil
 10329  	// result: (MOVBloadidx ptr idx mem)
 10330  	for {
 10331  		off := auxIntToInt32(v.AuxInt)
 10332  		sym := auxToSym(v.Aux)
 10333  		if v_0.Op != OpARM64ADD {
 10334  			break
 10335  		}
 10336  		idx := v_0.Args[1]
 10337  		ptr := v_0.Args[0]
 10338  		mem := v_1
 10339  		if !(off == 0 && sym == nil) {
 10340  			break
 10341  		}
 10342  		v.reset(OpARM64MOVBloadidx)
 10343  		v.AddArg3(ptr, idx, mem)
 10344  		return true
 10345  	}
 10346  	// match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 10347  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10348  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 10349  	for {
 10350  		off1 := auxIntToInt32(v.AuxInt)
 10351  		sym1 := auxToSym(v.Aux)
 10352  		if v_0.Op != OpARM64MOVDaddr {
 10353  			break
 10354  		}
 10355  		off2 := auxIntToInt32(v_0.AuxInt)
 10356  		sym2 := auxToSym(v_0.Aux)
 10357  		ptr := v_0.Args[0]
 10358  		mem := v_1
 10359  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10360  			break
 10361  		}
 10362  		v.reset(OpARM64MOVBload)
 10363  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10364  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10365  		v.AddArg2(ptr, mem)
 10366  		return true
 10367  	}
 10368  	// match: (MOVBload [off] {sym} (SB) _)
 10369  	// cond: symIsRO(sym)
 10370  	// result: (MOVDconst [int64(int8(read8(sym, int64(off))))])
 10371  	for {
 10372  		off := auxIntToInt32(v.AuxInt)
 10373  		sym := auxToSym(v.Aux)
 10374  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 10375  			break
 10376  		}
 10377  		v.reset(OpARM64MOVDconst)
 10378  		v.AuxInt = int64ToAuxInt(int64(int8(read8(sym, int64(off)))))
 10379  		return true
 10380  	}
 10381  	return false
 10382  }
 10383  func rewriteValueARM64_OpARM64MOVBloadidx(v *Value) bool {
 10384  	v_2 := v.Args[2]
 10385  	v_1 := v.Args[1]
 10386  	v_0 := v.Args[0]
 10387  	// match: (MOVBloadidx ptr (MOVDconst [c]) mem)
 10388  	// cond: is32Bit(c)
 10389  	// result: (MOVBload [int32(c)] ptr mem)
 10390  	for {
 10391  		ptr := v_0
 10392  		if v_1.Op != OpARM64MOVDconst {
 10393  			break
 10394  		}
 10395  		c := auxIntToInt64(v_1.AuxInt)
 10396  		mem := v_2
 10397  		if !(is32Bit(c)) {
 10398  			break
 10399  		}
 10400  		v.reset(OpARM64MOVBload)
 10401  		v.AuxInt = int32ToAuxInt(int32(c))
 10402  		v.AddArg2(ptr, mem)
 10403  		return true
 10404  	}
 10405  	// match: (MOVBloadidx (MOVDconst [c]) ptr mem)
 10406  	// cond: is32Bit(c)
 10407  	// result: (MOVBload [int32(c)] ptr mem)
 10408  	for {
 10409  		if v_0.Op != OpARM64MOVDconst {
 10410  			break
 10411  		}
 10412  		c := auxIntToInt64(v_0.AuxInt)
 10413  		ptr := v_1
 10414  		mem := v_2
 10415  		if !(is32Bit(c)) {
 10416  			break
 10417  		}
 10418  		v.reset(OpARM64MOVBload)
 10419  		v.AuxInt = int32ToAuxInt(int32(c))
 10420  		v.AddArg2(ptr, mem)
 10421  		return true
 10422  	}
 10423  	return false
 10424  }
 10425  func rewriteValueARM64_OpARM64MOVBreg(v *Value) bool {
 10426  	v_0 := v.Args[0]
 10427  	// match: (MOVBreg (MOVDconst [c]))
 10428  	// result: (MOVDconst [int64(int8(c))])
 10429  	for {
 10430  		if v_0.Op != OpARM64MOVDconst {
 10431  			break
 10432  		}
 10433  		c := auxIntToInt64(v_0.AuxInt)
 10434  		v.reset(OpARM64MOVDconst)
 10435  		v.AuxInt = int64ToAuxInt(int64(int8(c)))
 10436  		return true
 10437  	}
 10438  	// match: (MOVBreg x)
 10439  	// cond: v.Type.Size() <= 1
 10440  	// result: x
 10441  	for {
 10442  		x := v_0
 10443  		if !(v.Type.Size() <= 1) {
 10444  			break
 10445  		}
 10446  		v.copyOf(x)
 10447  		return true
 10448  	}
 10449  	// match: (MOVBreg <t> (ANDconst x [c]))
 10450  	// cond: uint64(c) & uint64(0xffffffffffffff80) == 0
 10451  	// result: (ANDconst <t> x [c])
 10452  	for {
 10453  		t := v.Type
 10454  		if v_0.Op != OpARM64ANDconst {
 10455  			break
 10456  		}
 10457  		c := auxIntToInt64(v_0.AuxInt)
 10458  		x := v_0.Args[0]
 10459  		if !(uint64(c)&uint64(0xffffffffffffff80) == 0) {
 10460  			break
 10461  		}
 10462  		v.reset(OpARM64ANDconst)
 10463  		v.Type = t
 10464  		v.AuxInt = int64ToAuxInt(c)
 10465  		v.AddArg(x)
 10466  		return true
 10467  	}
 10468  	// match: (MOVBreg (SLLconst [lc] x))
 10469  	// cond: lc < 8
 10470  	// result: (SBFIZ [armBFAuxInt(lc, 8-lc)] x)
 10471  	for {
 10472  		if v_0.Op != OpARM64SLLconst {
 10473  			break
 10474  		}
 10475  		lc := auxIntToInt64(v_0.AuxInt)
 10476  		x := v_0.Args[0]
 10477  		if !(lc < 8) {
 10478  			break
 10479  		}
 10480  		v.reset(OpARM64SBFIZ)
 10481  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 8-lc))
 10482  		v.AddArg(x)
 10483  		return true
 10484  	}
 10485  	// match: (MOVBreg (SBFX [bfc] x))
 10486  	// cond: bfc.width() <= 8
 10487  	// result: (SBFX [bfc] x)
 10488  	for {
 10489  		if v_0.Op != OpARM64SBFX {
 10490  			break
 10491  		}
 10492  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 10493  		x := v_0.Args[0]
 10494  		if !(bfc.width() <= 8) {
 10495  			break
 10496  		}
 10497  		v.reset(OpARM64SBFX)
 10498  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 10499  		v.AddArg(x)
 10500  		return true
 10501  	}
 10502  	return false
 10503  }
 10504  func rewriteValueARM64_OpARM64MOVBstore(v *Value) bool {
 10505  	v_2 := v.Args[2]
 10506  	v_1 := v.Args[1]
 10507  	v_0 := v.Args[0]
 10508  	b := v.Block
 10509  	config := b.Func.Config
 10510  	// match: (MOVBstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 10511  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10512  	// result: (MOVBstore [off1+int32(off2)] {sym} ptr val mem)
 10513  	for {
 10514  		off1 := auxIntToInt32(v.AuxInt)
 10515  		sym := auxToSym(v.Aux)
 10516  		if v_0.Op != OpARM64ADDconst {
 10517  			break
 10518  		}
 10519  		off2 := auxIntToInt64(v_0.AuxInt)
 10520  		ptr := v_0.Args[0]
 10521  		val := v_1
 10522  		mem := v_2
 10523  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10524  			break
 10525  		}
 10526  		v.reset(OpARM64MOVBstore)
 10527  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10528  		v.Aux = symToAux(sym)
 10529  		v.AddArg3(ptr, val, mem)
 10530  		return true
 10531  	}
 10532  	// match: (MOVBstore [off] {sym} (ADD ptr idx) val mem)
 10533  	// cond: off == 0 && sym == nil
 10534  	// result: (MOVBstoreidx ptr idx val mem)
 10535  	for {
 10536  		off := auxIntToInt32(v.AuxInt)
 10537  		sym := auxToSym(v.Aux)
 10538  		if v_0.Op != OpARM64ADD {
 10539  			break
 10540  		}
 10541  		idx := v_0.Args[1]
 10542  		ptr := v_0.Args[0]
 10543  		val := v_1
 10544  		mem := v_2
 10545  		if !(off == 0 && sym == nil) {
 10546  			break
 10547  		}
 10548  		v.reset(OpARM64MOVBstoreidx)
 10549  		v.AddArg4(ptr, idx, val, mem)
 10550  		return true
 10551  	}
 10552  	// match: (MOVBstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 10553  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10554  	// result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 10555  	for {
 10556  		off1 := auxIntToInt32(v.AuxInt)
 10557  		sym1 := auxToSym(v.Aux)
 10558  		if v_0.Op != OpARM64MOVDaddr {
 10559  			break
 10560  		}
 10561  		off2 := auxIntToInt32(v_0.AuxInt)
 10562  		sym2 := auxToSym(v_0.Aux)
 10563  		ptr := v_0.Args[0]
 10564  		val := v_1
 10565  		mem := v_2
 10566  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10567  			break
 10568  		}
 10569  		v.reset(OpARM64MOVBstore)
 10570  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10571  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10572  		v.AddArg3(ptr, val, mem)
 10573  		return true
 10574  	}
 10575  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
 10576  	// result: (MOVBstore [off] {sym} ptr x mem)
 10577  	for {
 10578  		off := auxIntToInt32(v.AuxInt)
 10579  		sym := auxToSym(v.Aux)
 10580  		ptr := v_0
 10581  		if v_1.Op != OpARM64MOVBreg {
 10582  			break
 10583  		}
 10584  		x := v_1.Args[0]
 10585  		mem := v_2
 10586  		v.reset(OpARM64MOVBstore)
 10587  		v.AuxInt = int32ToAuxInt(off)
 10588  		v.Aux = symToAux(sym)
 10589  		v.AddArg3(ptr, x, mem)
 10590  		return true
 10591  	}
 10592  	// match: (MOVBstore [off] {sym} ptr (MOVBUreg x) mem)
 10593  	// result: (MOVBstore [off] {sym} ptr x mem)
 10594  	for {
 10595  		off := auxIntToInt32(v.AuxInt)
 10596  		sym := auxToSym(v.Aux)
 10597  		ptr := v_0
 10598  		if v_1.Op != OpARM64MOVBUreg {
 10599  			break
 10600  		}
 10601  		x := v_1.Args[0]
 10602  		mem := v_2
 10603  		v.reset(OpARM64MOVBstore)
 10604  		v.AuxInt = int32ToAuxInt(off)
 10605  		v.Aux = symToAux(sym)
 10606  		v.AddArg3(ptr, x, mem)
 10607  		return true
 10608  	}
 10609  	// match: (MOVBstore [off] {sym} ptr (MOVHreg x) mem)
 10610  	// result: (MOVBstore [off] {sym} ptr x mem)
 10611  	for {
 10612  		off := auxIntToInt32(v.AuxInt)
 10613  		sym := auxToSym(v.Aux)
 10614  		ptr := v_0
 10615  		if v_1.Op != OpARM64MOVHreg {
 10616  			break
 10617  		}
 10618  		x := v_1.Args[0]
 10619  		mem := v_2
 10620  		v.reset(OpARM64MOVBstore)
 10621  		v.AuxInt = int32ToAuxInt(off)
 10622  		v.Aux = symToAux(sym)
 10623  		v.AddArg3(ptr, x, mem)
 10624  		return true
 10625  	}
 10626  	// match: (MOVBstore [off] {sym} ptr (MOVHUreg x) mem)
 10627  	// result: (MOVBstore [off] {sym} ptr x mem)
 10628  	for {
 10629  		off := auxIntToInt32(v.AuxInt)
 10630  		sym := auxToSym(v.Aux)
 10631  		ptr := v_0
 10632  		if v_1.Op != OpARM64MOVHUreg {
 10633  			break
 10634  		}
 10635  		x := v_1.Args[0]
 10636  		mem := v_2
 10637  		v.reset(OpARM64MOVBstore)
 10638  		v.AuxInt = int32ToAuxInt(off)
 10639  		v.Aux = symToAux(sym)
 10640  		v.AddArg3(ptr, x, mem)
 10641  		return true
 10642  	}
 10643  	// match: (MOVBstore [off] {sym} ptr (MOVWreg x) mem)
 10644  	// result: (MOVBstore [off] {sym} ptr x mem)
 10645  	for {
 10646  		off := auxIntToInt32(v.AuxInt)
 10647  		sym := auxToSym(v.Aux)
 10648  		ptr := v_0
 10649  		if v_1.Op != OpARM64MOVWreg {
 10650  			break
 10651  		}
 10652  		x := v_1.Args[0]
 10653  		mem := v_2
 10654  		v.reset(OpARM64MOVBstore)
 10655  		v.AuxInt = int32ToAuxInt(off)
 10656  		v.Aux = symToAux(sym)
 10657  		v.AddArg3(ptr, x, mem)
 10658  		return true
 10659  	}
 10660  	// match: (MOVBstore [off] {sym} ptr (MOVWUreg x) mem)
 10661  	// result: (MOVBstore [off] {sym} ptr x mem)
 10662  	for {
 10663  		off := auxIntToInt32(v.AuxInt)
 10664  		sym := auxToSym(v.Aux)
 10665  		ptr := v_0
 10666  		if v_1.Op != OpARM64MOVWUreg {
 10667  			break
 10668  		}
 10669  		x := v_1.Args[0]
 10670  		mem := v_2
 10671  		v.reset(OpARM64MOVBstore)
 10672  		v.AuxInt = int32ToAuxInt(off)
 10673  		v.Aux = symToAux(sym)
 10674  		v.AddArg3(ptr, x, mem)
 10675  		return true
 10676  	}
 10677  	return false
 10678  }
 10679  func rewriteValueARM64_OpARM64MOVBstoreidx(v *Value) bool {
 10680  	v_3 := v.Args[3]
 10681  	v_2 := v.Args[2]
 10682  	v_1 := v.Args[1]
 10683  	v_0 := v.Args[0]
 10684  	// match: (MOVBstoreidx ptr (MOVDconst [c]) val mem)
 10685  	// cond: is32Bit(c)
 10686  	// result: (MOVBstore [int32(c)] ptr val mem)
 10687  	for {
 10688  		ptr := v_0
 10689  		if v_1.Op != OpARM64MOVDconst {
 10690  			break
 10691  		}
 10692  		c := auxIntToInt64(v_1.AuxInt)
 10693  		val := v_2
 10694  		mem := v_3
 10695  		if !(is32Bit(c)) {
 10696  			break
 10697  		}
 10698  		v.reset(OpARM64MOVBstore)
 10699  		v.AuxInt = int32ToAuxInt(int32(c))
 10700  		v.AddArg3(ptr, val, mem)
 10701  		return true
 10702  	}
 10703  	// match: (MOVBstoreidx (MOVDconst [c]) idx val mem)
 10704  	// cond: is32Bit(c)
 10705  	// result: (MOVBstore [int32(c)] idx val mem)
 10706  	for {
 10707  		if v_0.Op != OpARM64MOVDconst {
 10708  			break
 10709  		}
 10710  		c := auxIntToInt64(v_0.AuxInt)
 10711  		idx := v_1
 10712  		val := v_2
 10713  		mem := v_3
 10714  		if !(is32Bit(c)) {
 10715  			break
 10716  		}
 10717  		v.reset(OpARM64MOVBstore)
 10718  		v.AuxInt = int32ToAuxInt(int32(c))
 10719  		v.AddArg3(idx, val, mem)
 10720  		return true
 10721  	}
 10722  	// match: (MOVBstoreidx ptr idx (MOVBreg x) mem)
 10723  	// result: (MOVBstoreidx ptr idx x mem)
 10724  	for {
 10725  		ptr := v_0
 10726  		idx := v_1
 10727  		if v_2.Op != OpARM64MOVBreg {
 10728  			break
 10729  		}
 10730  		x := v_2.Args[0]
 10731  		mem := v_3
 10732  		v.reset(OpARM64MOVBstoreidx)
 10733  		v.AddArg4(ptr, idx, x, mem)
 10734  		return true
 10735  	}
 10736  	// match: (MOVBstoreidx ptr idx (MOVBUreg x) mem)
 10737  	// result: (MOVBstoreidx ptr idx x mem)
 10738  	for {
 10739  		ptr := v_0
 10740  		idx := v_1
 10741  		if v_2.Op != OpARM64MOVBUreg {
 10742  			break
 10743  		}
 10744  		x := v_2.Args[0]
 10745  		mem := v_3
 10746  		v.reset(OpARM64MOVBstoreidx)
 10747  		v.AddArg4(ptr, idx, x, mem)
 10748  		return true
 10749  	}
 10750  	// match: (MOVBstoreidx ptr idx (MOVHreg x) mem)
 10751  	// result: (MOVBstoreidx ptr idx x mem)
 10752  	for {
 10753  		ptr := v_0
 10754  		idx := v_1
 10755  		if v_2.Op != OpARM64MOVHreg {
 10756  			break
 10757  		}
 10758  		x := v_2.Args[0]
 10759  		mem := v_3
 10760  		v.reset(OpARM64MOVBstoreidx)
 10761  		v.AddArg4(ptr, idx, x, mem)
 10762  		return true
 10763  	}
 10764  	// match: (MOVBstoreidx ptr idx (MOVHUreg x) mem)
 10765  	// result: (MOVBstoreidx ptr idx x mem)
 10766  	for {
 10767  		ptr := v_0
 10768  		idx := v_1
 10769  		if v_2.Op != OpARM64MOVHUreg {
 10770  			break
 10771  		}
 10772  		x := v_2.Args[0]
 10773  		mem := v_3
 10774  		v.reset(OpARM64MOVBstoreidx)
 10775  		v.AddArg4(ptr, idx, x, mem)
 10776  		return true
 10777  	}
 10778  	// match: (MOVBstoreidx ptr idx (MOVWreg x) mem)
 10779  	// result: (MOVBstoreidx ptr idx x mem)
 10780  	for {
 10781  		ptr := v_0
 10782  		idx := v_1
 10783  		if v_2.Op != OpARM64MOVWreg {
 10784  			break
 10785  		}
 10786  		x := v_2.Args[0]
 10787  		mem := v_3
 10788  		v.reset(OpARM64MOVBstoreidx)
 10789  		v.AddArg4(ptr, idx, x, mem)
 10790  		return true
 10791  	}
 10792  	// match: (MOVBstoreidx ptr idx (MOVWUreg x) mem)
 10793  	// result: (MOVBstoreidx ptr idx x mem)
 10794  	for {
 10795  		ptr := v_0
 10796  		idx := v_1
 10797  		if v_2.Op != OpARM64MOVWUreg {
 10798  			break
 10799  		}
 10800  		x := v_2.Args[0]
 10801  		mem := v_3
 10802  		v.reset(OpARM64MOVBstoreidx)
 10803  		v.AddArg4(ptr, idx, x, mem)
 10804  		return true
 10805  	}
 10806  	return false
 10807  }
 10808  func rewriteValueARM64_OpARM64MOVDload(v *Value) bool {
 10809  	v_1 := v.Args[1]
 10810  	v_0 := v.Args[0]
 10811  	b := v.Block
 10812  	config := b.Func.Config
 10813  	// match: (MOVDload [off] {sym} ptr (FMOVDstore [off] {sym} ptr val _))
 10814  	// result: (FMOVDfpgp val)
 10815  	for {
 10816  		off := auxIntToInt32(v.AuxInt)
 10817  		sym := auxToSym(v.Aux)
 10818  		ptr := v_0
 10819  		if v_1.Op != OpARM64FMOVDstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
 10820  			break
 10821  		}
 10822  		val := v_1.Args[1]
 10823  		if ptr != v_1.Args[0] {
 10824  			break
 10825  		}
 10826  		v.reset(OpARM64FMOVDfpgp)
 10827  		v.AddArg(val)
 10828  		return true
 10829  	}
 10830  	// match: (MOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
 10831  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10832  	// result: (MOVDload [off1+int32(off2)] {sym} ptr mem)
 10833  	for {
 10834  		off1 := auxIntToInt32(v.AuxInt)
 10835  		sym := auxToSym(v.Aux)
 10836  		if v_0.Op != OpARM64ADDconst {
 10837  			break
 10838  		}
 10839  		off2 := auxIntToInt64(v_0.AuxInt)
 10840  		ptr := v_0.Args[0]
 10841  		mem := v_1
 10842  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10843  			break
 10844  		}
 10845  		v.reset(OpARM64MOVDload)
 10846  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10847  		v.Aux = symToAux(sym)
 10848  		v.AddArg2(ptr, mem)
 10849  		return true
 10850  	}
 10851  	// match: (MOVDload [off] {sym} (ADD ptr idx) mem)
 10852  	// cond: off == 0 && sym == nil
 10853  	// result: (MOVDloadidx ptr idx mem)
 10854  	for {
 10855  		off := auxIntToInt32(v.AuxInt)
 10856  		sym := auxToSym(v.Aux)
 10857  		if v_0.Op != OpARM64ADD {
 10858  			break
 10859  		}
 10860  		idx := v_0.Args[1]
 10861  		ptr := v_0.Args[0]
 10862  		mem := v_1
 10863  		if !(off == 0 && sym == nil) {
 10864  			break
 10865  		}
 10866  		v.reset(OpARM64MOVDloadidx)
 10867  		v.AddArg3(ptr, idx, mem)
 10868  		return true
 10869  	}
 10870  	// match: (MOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem)
 10871  	// cond: off == 0 && sym == nil
 10872  	// result: (MOVDloadidx8 ptr idx mem)
 10873  	for {
 10874  		off := auxIntToInt32(v.AuxInt)
 10875  		sym := auxToSym(v.Aux)
 10876  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
 10877  			break
 10878  		}
 10879  		idx := v_0.Args[1]
 10880  		ptr := v_0.Args[0]
 10881  		mem := v_1
 10882  		if !(off == 0 && sym == nil) {
 10883  			break
 10884  		}
 10885  		v.reset(OpARM64MOVDloadidx8)
 10886  		v.AddArg3(ptr, idx, mem)
 10887  		return true
 10888  	}
 10889  	// match: (MOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 10890  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10891  	// result: (MOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 10892  	for {
 10893  		off1 := auxIntToInt32(v.AuxInt)
 10894  		sym1 := auxToSym(v.Aux)
 10895  		if v_0.Op != OpARM64MOVDaddr {
 10896  			break
 10897  		}
 10898  		off2 := auxIntToInt32(v_0.AuxInt)
 10899  		sym2 := auxToSym(v_0.Aux)
 10900  		ptr := v_0.Args[0]
 10901  		mem := v_1
 10902  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10903  			break
 10904  		}
 10905  		v.reset(OpARM64MOVDload)
 10906  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10907  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10908  		v.AddArg2(ptr, mem)
 10909  		return true
 10910  	}
 10911  	// match: (MOVDload [off] {sym} (SB) _)
 10912  	// cond: symIsRO(sym)
 10913  	// result: (MOVDconst [int64(read64(sym, int64(off), config.ctxt.Arch.ByteOrder))])
 10914  	for {
 10915  		off := auxIntToInt32(v.AuxInt)
 10916  		sym := auxToSym(v.Aux)
 10917  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 10918  			break
 10919  		}
 10920  		v.reset(OpARM64MOVDconst)
 10921  		v.AuxInt = int64ToAuxInt(int64(read64(sym, int64(off), config.ctxt.Arch.ByteOrder)))
 10922  		return true
 10923  	}
 10924  	return false
 10925  }
 10926  func rewriteValueARM64_OpARM64MOVDloadidx(v *Value) bool {
 10927  	v_2 := v.Args[2]
 10928  	v_1 := v.Args[1]
 10929  	v_0 := v.Args[0]
 10930  	// match: (MOVDloadidx ptr (MOVDconst [c]) mem)
 10931  	// cond: is32Bit(c)
 10932  	// result: (MOVDload [int32(c)] ptr mem)
 10933  	for {
 10934  		ptr := v_0
 10935  		if v_1.Op != OpARM64MOVDconst {
 10936  			break
 10937  		}
 10938  		c := auxIntToInt64(v_1.AuxInt)
 10939  		mem := v_2
 10940  		if !(is32Bit(c)) {
 10941  			break
 10942  		}
 10943  		v.reset(OpARM64MOVDload)
 10944  		v.AuxInt = int32ToAuxInt(int32(c))
 10945  		v.AddArg2(ptr, mem)
 10946  		return true
 10947  	}
 10948  	// match: (MOVDloadidx (MOVDconst [c]) ptr mem)
 10949  	// cond: is32Bit(c)
 10950  	// result: (MOVDload [int32(c)] ptr mem)
 10951  	for {
 10952  		if v_0.Op != OpARM64MOVDconst {
 10953  			break
 10954  		}
 10955  		c := auxIntToInt64(v_0.AuxInt)
 10956  		ptr := v_1
 10957  		mem := v_2
 10958  		if !(is32Bit(c)) {
 10959  			break
 10960  		}
 10961  		v.reset(OpARM64MOVDload)
 10962  		v.AuxInt = int32ToAuxInt(int32(c))
 10963  		v.AddArg2(ptr, mem)
 10964  		return true
 10965  	}
 10966  	// match: (MOVDloadidx ptr (SLLconst [3] idx) mem)
 10967  	// result: (MOVDloadidx8 ptr idx mem)
 10968  	for {
 10969  		ptr := v_0
 10970  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
 10971  			break
 10972  		}
 10973  		idx := v_1.Args[0]
 10974  		mem := v_2
 10975  		v.reset(OpARM64MOVDloadidx8)
 10976  		v.AddArg3(ptr, idx, mem)
 10977  		return true
 10978  	}
 10979  	// match: (MOVDloadidx (SLLconst [3] idx) ptr mem)
 10980  	// result: (MOVDloadidx8 ptr idx mem)
 10981  	for {
 10982  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
 10983  			break
 10984  		}
 10985  		idx := v_0.Args[0]
 10986  		ptr := v_1
 10987  		mem := v_2
 10988  		v.reset(OpARM64MOVDloadidx8)
 10989  		v.AddArg3(ptr, idx, mem)
 10990  		return true
 10991  	}
 10992  	return false
 10993  }
 10994  func rewriteValueARM64_OpARM64MOVDloadidx8(v *Value) bool {
 10995  	v_2 := v.Args[2]
 10996  	v_1 := v.Args[1]
 10997  	v_0 := v.Args[0]
 10998  	// match: (MOVDloadidx8 ptr (MOVDconst [c]) mem)
 10999  	// cond: is32Bit(c<<3)
 11000  	// result: (MOVDload [int32(c)<<3] ptr mem)
 11001  	for {
 11002  		ptr := v_0
 11003  		if v_1.Op != OpARM64MOVDconst {
 11004  			break
 11005  		}
 11006  		c := auxIntToInt64(v_1.AuxInt)
 11007  		mem := v_2
 11008  		if !(is32Bit(c << 3)) {
 11009  			break
 11010  		}
 11011  		v.reset(OpARM64MOVDload)
 11012  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
 11013  		v.AddArg2(ptr, mem)
 11014  		return true
 11015  	}
 11016  	return false
 11017  }
 11018  func rewriteValueARM64_OpARM64MOVDnop(v *Value) bool {
 11019  	v_0 := v.Args[0]
 11020  	// match: (MOVDnop (MOVDconst [c]))
 11021  	// result: (MOVDconst [c])
 11022  	for {
 11023  		if v_0.Op != OpARM64MOVDconst {
 11024  			break
 11025  		}
 11026  		c := auxIntToInt64(v_0.AuxInt)
 11027  		v.reset(OpARM64MOVDconst)
 11028  		v.AuxInt = int64ToAuxInt(c)
 11029  		return true
 11030  	}
 11031  	return false
 11032  }
 11033  func rewriteValueARM64_OpARM64MOVDreg(v *Value) bool {
 11034  	v_0 := v.Args[0]
 11035  	// match: (MOVDreg x)
 11036  	// cond: x.Uses == 1
 11037  	// result: (MOVDnop x)
 11038  	for {
 11039  		x := v_0
 11040  		if !(x.Uses == 1) {
 11041  			break
 11042  		}
 11043  		v.reset(OpARM64MOVDnop)
 11044  		v.AddArg(x)
 11045  		return true
 11046  	}
 11047  	// match: (MOVDreg (MOVDconst [c]))
 11048  	// result: (MOVDconst [c])
 11049  	for {
 11050  		if v_0.Op != OpARM64MOVDconst {
 11051  			break
 11052  		}
 11053  		c := auxIntToInt64(v_0.AuxInt)
 11054  		v.reset(OpARM64MOVDconst)
 11055  		v.AuxInt = int64ToAuxInt(c)
 11056  		return true
 11057  	}
 11058  	return false
 11059  }
 11060  func rewriteValueARM64_OpARM64MOVDstore(v *Value) bool {
 11061  	v_2 := v.Args[2]
 11062  	v_1 := v.Args[1]
 11063  	v_0 := v.Args[0]
 11064  	b := v.Block
 11065  	config := b.Func.Config
 11066  	// match: (MOVDstore [off] {sym} ptr (FMOVDfpgp val) mem)
 11067  	// result: (FMOVDstore [off] {sym} ptr val mem)
 11068  	for {
 11069  		off := auxIntToInt32(v.AuxInt)
 11070  		sym := auxToSym(v.Aux)
 11071  		ptr := v_0
 11072  		if v_1.Op != OpARM64FMOVDfpgp {
 11073  			break
 11074  		}
 11075  		val := v_1.Args[0]
 11076  		mem := v_2
 11077  		v.reset(OpARM64FMOVDstore)
 11078  		v.AuxInt = int32ToAuxInt(off)
 11079  		v.Aux = symToAux(sym)
 11080  		v.AddArg3(ptr, val, mem)
 11081  		return true
 11082  	}
 11083  	// match: (MOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 11084  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11085  	// result: (MOVDstore [off1+int32(off2)] {sym} ptr val mem)
 11086  	for {
 11087  		off1 := auxIntToInt32(v.AuxInt)
 11088  		sym := auxToSym(v.Aux)
 11089  		if v_0.Op != OpARM64ADDconst {
 11090  			break
 11091  		}
 11092  		off2 := auxIntToInt64(v_0.AuxInt)
 11093  		ptr := v_0.Args[0]
 11094  		val := v_1
 11095  		mem := v_2
 11096  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11097  			break
 11098  		}
 11099  		v.reset(OpARM64MOVDstore)
 11100  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11101  		v.Aux = symToAux(sym)
 11102  		v.AddArg3(ptr, val, mem)
 11103  		return true
 11104  	}
 11105  	// match: (MOVDstore [off] {sym} (ADD ptr idx) val mem)
 11106  	// cond: off == 0 && sym == nil
 11107  	// result: (MOVDstoreidx ptr idx val mem)
 11108  	for {
 11109  		off := auxIntToInt32(v.AuxInt)
 11110  		sym := auxToSym(v.Aux)
 11111  		if v_0.Op != OpARM64ADD {
 11112  			break
 11113  		}
 11114  		idx := v_0.Args[1]
 11115  		ptr := v_0.Args[0]
 11116  		val := v_1
 11117  		mem := v_2
 11118  		if !(off == 0 && sym == nil) {
 11119  			break
 11120  		}
 11121  		v.reset(OpARM64MOVDstoreidx)
 11122  		v.AddArg4(ptr, idx, val, mem)
 11123  		return true
 11124  	}
 11125  	// match: (MOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem)
 11126  	// cond: off == 0 && sym == nil
 11127  	// result: (MOVDstoreidx8 ptr idx val mem)
 11128  	for {
 11129  		off := auxIntToInt32(v.AuxInt)
 11130  		sym := auxToSym(v.Aux)
 11131  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
 11132  			break
 11133  		}
 11134  		idx := v_0.Args[1]
 11135  		ptr := v_0.Args[0]
 11136  		val := v_1
 11137  		mem := v_2
 11138  		if !(off == 0 && sym == nil) {
 11139  			break
 11140  		}
 11141  		v.reset(OpARM64MOVDstoreidx8)
 11142  		v.AddArg4(ptr, idx, val, mem)
 11143  		return true
 11144  	}
 11145  	// match: (MOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 11146  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11147  	// result: (MOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 11148  	for {
 11149  		off1 := auxIntToInt32(v.AuxInt)
 11150  		sym1 := auxToSym(v.Aux)
 11151  		if v_0.Op != OpARM64MOVDaddr {
 11152  			break
 11153  		}
 11154  		off2 := auxIntToInt32(v_0.AuxInt)
 11155  		sym2 := auxToSym(v_0.Aux)
 11156  		ptr := v_0.Args[0]
 11157  		val := v_1
 11158  		mem := v_2
 11159  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11160  			break
 11161  		}
 11162  		v.reset(OpARM64MOVDstore)
 11163  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11164  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11165  		v.AddArg3(ptr, val, mem)
 11166  		return true
 11167  	}
 11168  	return false
 11169  }
 11170  func rewriteValueARM64_OpARM64MOVDstoreidx(v *Value) bool {
 11171  	v_3 := v.Args[3]
 11172  	v_2 := v.Args[2]
 11173  	v_1 := v.Args[1]
 11174  	v_0 := v.Args[0]
 11175  	// match: (MOVDstoreidx ptr (MOVDconst [c]) val mem)
 11176  	// cond: is32Bit(c)
 11177  	// result: (MOVDstore [int32(c)] ptr val mem)
 11178  	for {
 11179  		ptr := v_0
 11180  		if v_1.Op != OpARM64MOVDconst {
 11181  			break
 11182  		}
 11183  		c := auxIntToInt64(v_1.AuxInt)
 11184  		val := v_2
 11185  		mem := v_3
 11186  		if !(is32Bit(c)) {
 11187  			break
 11188  		}
 11189  		v.reset(OpARM64MOVDstore)
 11190  		v.AuxInt = int32ToAuxInt(int32(c))
 11191  		v.AddArg3(ptr, val, mem)
 11192  		return true
 11193  	}
 11194  	// match: (MOVDstoreidx (MOVDconst [c]) idx val mem)
 11195  	// cond: is32Bit(c)
 11196  	// result: (MOVDstore [int32(c)] idx val mem)
 11197  	for {
 11198  		if v_0.Op != OpARM64MOVDconst {
 11199  			break
 11200  		}
 11201  		c := auxIntToInt64(v_0.AuxInt)
 11202  		idx := v_1
 11203  		val := v_2
 11204  		mem := v_3
 11205  		if !(is32Bit(c)) {
 11206  			break
 11207  		}
 11208  		v.reset(OpARM64MOVDstore)
 11209  		v.AuxInt = int32ToAuxInt(int32(c))
 11210  		v.AddArg3(idx, val, mem)
 11211  		return true
 11212  	}
 11213  	// match: (MOVDstoreidx ptr (SLLconst [3] idx) val mem)
 11214  	// result: (MOVDstoreidx8 ptr idx val mem)
 11215  	for {
 11216  		ptr := v_0
 11217  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
 11218  			break
 11219  		}
 11220  		idx := v_1.Args[0]
 11221  		val := v_2
 11222  		mem := v_3
 11223  		v.reset(OpARM64MOVDstoreidx8)
 11224  		v.AddArg4(ptr, idx, val, mem)
 11225  		return true
 11226  	}
 11227  	// match: (MOVDstoreidx (SLLconst [3] idx) ptr val mem)
 11228  	// result: (MOVDstoreidx8 ptr idx val mem)
 11229  	for {
 11230  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
 11231  			break
 11232  		}
 11233  		idx := v_0.Args[0]
 11234  		ptr := v_1
 11235  		val := v_2
 11236  		mem := v_3
 11237  		v.reset(OpARM64MOVDstoreidx8)
 11238  		v.AddArg4(ptr, idx, val, mem)
 11239  		return true
 11240  	}
 11241  	return false
 11242  }
 11243  func rewriteValueARM64_OpARM64MOVDstoreidx8(v *Value) bool {
 11244  	v_3 := v.Args[3]
 11245  	v_2 := v.Args[2]
 11246  	v_1 := v.Args[1]
 11247  	v_0 := v.Args[0]
 11248  	// match: (MOVDstoreidx8 ptr (MOVDconst [c]) val mem)
 11249  	// cond: is32Bit(c<<3)
 11250  	// result: (MOVDstore [int32(c)<<3] ptr val mem)
 11251  	for {
 11252  		ptr := v_0
 11253  		if v_1.Op != OpARM64MOVDconst {
 11254  			break
 11255  		}
 11256  		c := auxIntToInt64(v_1.AuxInt)
 11257  		val := v_2
 11258  		mem := v_3
 11259  		if !(is32Bit(c << 3)) {
 11260  			break
 11261  		}
 11262  		v.reset(OpARM64MOVDstore)
 11263  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
 11264  		v.AddArg3(ptr, val, mem)
 11265  		return true
 11266  	}
 11267  	return false
 11268  }
 11269  func rewriteValueARM64_OpARM64MOVHUload(v *Value) bool {
 11270  	v_1 := v.Args[1]
 11271  	v_0 := v.Args[0]
 11272  	b := v.Block
 11273  	config := b.Func.Config
 11274  	// match: (MOVHUload [off1] {sym} (ADDconst [off2] ptr) mem)
 11275  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11276  	// result: (MOVHUload [off1+int32(off2)] {sym} ptr mem)
 11277  	for {
 11278  		off1 := auxIntToInt32(v.AuxInt)
 11279  		sym := auxToSym(v.Aux)
 11280  		if v_0.Op != OpARM64ADDconst {
 11281  			break
 11282  		}
 11283  		off2 := auxIntToInt64(v_0.AuxInt)
 11284  		ptr := v_0.Args[0]
 11285  		mem := v_1
 11286  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11287  			break
 11288  		}
 11289  		v.reset(OpARM64MOVHUload)
 11290  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11291  		v.Aux = symToAux(sym)
 11292  		v.AddArg2(ptr, mem)
 11293  		return true
 11294  	}
 11295  	// match: (MOVHUload [off] {sym} (ADD ptr idx) mem)
 11296  	// cond: off == 0 && sym == nil
 11297  	// result: (MOVHUloadidx ptr idx mem)
 11298  	for {
 11299  		off := auxIntToInt32(v.AuxInt)
 11300  		sym := auxToSym(v.Aux)
 11301  		if v_0.Op != OpARM64ADD {
 11302  			break
 11303  		}
 11304  		idx := v_0.Args[1]
 11305  		ptr := v_0.Args[0]
 11306  		mem := v_1
 11307  		if !(off == 0 && sym == nil) {
 11308  			break
 11309  		}
 11310  		v.reset(OpARM64MOVHUloadidx)
 11311  		v.AddArg3(ptr, idx, mem)
 11312  		return true
 11313  	}
 11314  	// match: (MOVHUload [off] {sym} (ADDshiftLL [1] ptr idx) mem)
 11315  	// cond: off == 0 && sym == nil
 11316  	// result: (MOVHUloadidx2 ptr idx mem)
 11317  	for {
 11318  		off := auxIntToInt32(v.AuxInt)
 11319  		sym := auxToSym(v.Aux)
 11320  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 11321  			break
 11322  		}
 11323  		idx := v_0.Args[1]
 11324  		ptr := v_0.Args[0]
 11325  		mem := v_1
 11326  		if !(off == 0 && sym == nil) {
 11327  			break
 11328  		}
 11329  		v.reset(OpARM64MOVHUloadidx2)
 11330  		v.AddArg3(ptr, idx, mem)
 11331  		return true
 11332  	}
 11333  	// match: (MOVHUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11334  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11335  	// result: (MOVHUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11336  	for {
 11337  		off1 := auxIntToInt32(v.AuxInt)
 11338  		sym1 := auxToSym(v.Aux)
 11339  		if v_0.Op != OpARM64MOVDaddr {
 11340  			break
 11341  		}
 11342  		off2 := auxIntToInt32(v_0.AuxInt)
 11343  		sym2 := auxToSym(v_0.Aux)
 11344  		ptr := v_0.Args[0]
 11345  		mem := v_1
 11346  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11347  			break
 11348  		}
 11349  		v.reset(OpARM64MOVHUload)
 11350  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11351  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11352  		v.AddArg2(ptr, mem)
 11353  		return true
 11354  	}
 11355  	// match: (MOVHUload [off] {sym} (SB) _)
 11356  	// cond: symIsRO(sym)
 11357  	// result: (MOVDconst [int64(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))])
 11358  	for {
 11359  		off := auxIntToInt32(v.AuxInt)
 11360  		sym := auxToSym(v.Aux)
 11361  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 11362  			break
 11363  		}
 11364  		v.reset(OpARM64MOVDconst)
 11365  		v.AuxInt = int64ToAuxInt(int64(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))
 11366  		return true
 11367  	}
 11368  	return false
 11369  }
 11370  func rewriteValueARM64_OpARM64MOVHUloadidx(v *Value) bool {
 11371  	v_2 := v.Args[2]
 11372  	v_1 := v.Args[1]
 11373  	v_0 := v.Args[0]
 11374  	// match: (MOVHUloadidx ptr (MOVDconst [c]) mem)
 11375  	// cond: is32Bit(c)
 11376  	// result: (MOVHUload [int32(c)] ptr mem)
 11377  	for {
 11378  		ptr := v_0
 11379  		if v_1.Op != OpARM64MOVDconst {
 11380  			break
 11381  		}
 11382  		c := auxIntToInt64(v_1.AuxInt)
 11383  		mem := v_2
 11384  		if !(is32Bit(c)) {
 11385  			break
 11386  		}
 11387  		v.reset(OpARM64MOVHUload)
 11388  		v.AuxInt = int32ToAuxInt(int32(c))
 11389  		v.AddArg2(ptr, mem)
 11390  		return true
 11391  	}
 11392  	// match: (MOVHUloadidx (MOVDconst [c]) ptr mem)
 11393  	// cond: is32Bit(c)
 11394  	// result: (MOVHUload [int32(c)] ptr mem)
 11395  	for {
 11396  		if v_0.Op != OpARM64MOVDconst {
 11397  			break
 11398  		}
 11399  		c := auxIntToInt64(v_0.AuxInt)
 11400  		ptr := v_1
 11401  		mem := v_2
 11402  		if !(is32Bit(c)) {
 11403  			break
 11404  		}
 11405  		v.reset(OpARM64MOVHUload)
 11406  		v.AuxInt = int32ToAuxInt(int32(c))
 11407  		v.AddArg2(ptr, mem)
 11408  		return true
 11409  	}
 11410  	// match: (MOVHUloadidx ptr (SLLconst [1] idx) mem)
 11411  	// result: (MOVHUloadidx2 ptr idx mem)
 11412  	for {
 11413  		ptr := v_0
 11414  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 11415  			break
 11416  		}
 11417  		idx := v_1.Args[0]
 11418  		mem := v_2
 11419  		v.reset(OpARM64MOVHUloadidx2)
 11420  		v.AddArg3(ptr, idx, mem)
 11421  		return true
 11422  	}
 11423  	// match: (MOVHUloadidx ptr (ADD idx idx) mem)
 11424  	// result: (MOVHUloadidx2 ptr idx mem)
 11425  	for {
 11426  		ptr := v_0
 11427  		if v_1.Op != OpARM64ADD {
 11428  			break
 11429  		}
 11430  		idx := v_1.Args[1]
 11431  		if idx != v_1.Args[0] {
 11432  			break
 11433  		}
 11434  		mem := v_2
 11435  		v.reset(OpARM64MOVHUloadidx2)
 11436  		v.AddArg3(ptr, idx, mem)
 11437  		return true
 11438  	}
 11439  	// match: (MOVHUloadidx (ADD idx idx) ptr mem)
 11440  	// result: (MOVHUloadidx2 ptr idx mem)
 11441  	for {
 11442  		if v_0.Op != OpARM64ADD {
 11443  			break
 11444  		}
 11445  		idx := v_0.Args[1]
 11446  		if idx != v_0.Args[0] {
 11447  			break
 11448  		}
 11449  		ptr := v_1
 11450  		mem := v_2
 11451  		v.reset(OpARM64MOVHUloadidx2)
 11452  		v.AddArg3(ptr, idx, mem)
 11453  		return true
 11454  	}
 11455  	return false
 11456  }
 11457  func rewriteValueARM64_OpARM64MOVHUloadidx2(v *Value) bool {
 11458  	v_2 := v.Args[2]
 11459  	v_1 := v.Args[1]
 11460  	v_0 := v.Args[0]
 11461  	// match: (MOVHUloadidx2 ptr (MOVDconst [c]) mem)
 11462  	// cond: is32Bit(c<<1)
 11463  	// result: (MOVHUload [int32(c)<<1] ptr mem)
 11464  	for {
 11465  		ptr := v_0
 11466  		if v_1.Op != OpARM64MOVDconst {
 11467  			break
 11468  		}
 11469  		c := auxIntToInt64(v_1.AuxInt)
 11470  		mem := v_2
 11471  		if !(is32Bit(c << 1)) {
 11472  			break
 11473  		}
 11474  		v.reset(OpARM64MOVHUload)
 11475  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 11476  		v.AddArg2(ptr, mem)
 11477  		return true
 11478  	}
 11479  	return false
 11480  }
 11481  func rewriteValueARM64_OpARM64MOVHUreg(v *Value) bool {
 11482  	v_0 := v.Args[0]
 11483  	// match: (MOVHUreg (ANDconst [c] x))
 11484  	// result: (ANDconst [c&(1<<16-1)] x)
 11485  	for {
 11486  		if v_0.Op != OpARM64ANDconst {
 11487  			break
 11488  		}
 11489  		c := auxIntToInt64(v_0.AuxInt)
 11490  		x := v_0.Args[0]
 11491  		v.reset(OpARM64ANDconst)
 11492  		v.AuxInt = int64ToAuxInt(c & (1<<16 - 1))
 11493  		v.AddArg(x)
 11494  		return true
 11495  	}
 11496  	// match: (MOVHUreg (MOVDconst [c]))
 11497  	// result: (MOVDconst [int64(uint16(c))])
 11498  	for {
 11499  		if v_0.Op != OpARM64MOVDconst {
 11500  			break
 11501  		}
 11502  		c := auxIntToInt64(v_0.AuxInt)
 11503  		v.reset(OpARM64MOVDconst)
 11504  		v.AuxInt = int64ToAuxInt(int64(uint16(c)))
 11505  		return true
 11506  	}
 11507  	// match: (MOVHUreg x)
 11508  	// cond: v.Type.Size() <= 2
 11509  	// result: x
 11510  	for {
 11511  		x := v_0
 11512  		if !(v.Type.Size() <= 2) {
 11513  			break
 11514  		}
 11515  		v.copyOf(x)
 11516  		return true
 11517  	}
 11518  	// match: (MOVHUreg (SLLconst [lc] x))
 11519  	// cond: lc >= 16
 11520  	// result: (MOVDconst [0])
 11521  	for {
 11522  		if v_0.Op != OpARM64SLLconst {
 11523  			break
 11524  		}
 11525  		lc := auxIntToInt64(v_0.AuxInt)
 11526  		if !(lc >= 16) {
 11527  			break
 11528  		}
 11529  		v.reset(OpARM64MOVDconst)
 11530  		v.AuxInt = int64ToAuxInt(0)
 11531  		return true
 11532  	}
 11533  	// match: (MOVHUreg (SLLconst [lc] x))
 11534  	// cond: lc < 16
 11535  	// result: (UBFIZ [armBFAuxInt(lc, 16-lc)] x)
 11536  	for {
 11537  		if v_0.Op != OpARM64SLLconst {
 11538  			break
 11539  		}
 11540  		lc := auxIntToInt64(v_0.AuxInt)
 11541  		x := v_0.Args[0]
 11542  		if !(lc < 16) {
 11543  			break
 11544  		}
 11545  		v.reset(OpARM64UBFIZ)
 11546  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 16-lc))
 11547  		v.AddArg(x)
 11548  		return true
 11549  	}
 11550  	// match: (MOVHUreg (SRLconst [rc] x))
 11551  	// cond: rc < 16
 11552  	// result: (UBFX [armBFAuxInt(rc, 16)] x)
 11553  	for {
 11554  		if v_0.Op != OpARM64SRLconst {
 11555  			break
 11556  		}
 11557  		rc := auxIntToInt64(v_0.AuxInt)
 11558  		x := v_0.Args[0]
 11559  		if !(rc < 16) {
 11560  			break
 11561  		}
 11562  		v.reset(OpARM64UBFX)
 11563  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16))
 11564  		v.AddArg(x)
 11565  		return true
 11566  	}
 11567  	// match: (MOVHUreg (UBFX [bfc] x))
 11568  	// cond: bfc.width() <= 16
 11569  	// result: (UBFX [bfc] x)
 11570  	for {
 11571  		if v_0.Op != OpARM64UBFX {
 11572  			break
 11573  		}
 11574  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 11575  		x := v_0.Args[0]
 11576  		if !(bfc.width() <= 16) {
 11577  			break
 11578  		}
 11579  		v.reset(OpARM64UBFX)
 11580  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 11581  		v.AddArg(x)
 11582  		return true
 11583  	}
 11584  	return false
 11585  }
 11586  func rewriteValueARM64_OpARM64MOVHload(v *Value) bool {
 11587  	v_1 := v.Args[1]
 11588  	v_0 := v.Args[0]
 11589  	b := v.Block
 11590  	config := b.Func.Config
 11591  	// match: (MOVHload [off1] {sym} (ADDconst [off2] ptr) mem)
 11592  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11593  	// result: (MOVHload [off1+int32(off2)] {sym} ptr mem)
 11594  	for {
 11595  		off1 := auxIntToInt32(v.AuxInt)
 11596  		sym := auxToSym(v.Aux)
 11597  		if v_0.Op != OpARM64ADDconst {
 11598  			break
 11599  		}
 11600  		off2 := auxIntToInt64(v_0.AuxInt)
 11601  		ptr := v_0.Args[0]
 11602  		mem := v_1
 11603  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11604  			break
 11605  		}
 11606  		v.reset(OpARM64MOVHload)
 11607  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11608  		v.Aux = symToAux(sym)
 11609  		v.AddArg2(ptr, mem)
 11610  		return true
 11611  	}
 11612  	// match: (MOVHload [off] {sym} (ADD ptr idx) mem)
 11613  	// cond: off == 0 && sym == nil
 11614  	// result: (MOVHloadidx ptr idx mem)
 11615  	for {
 11616  		off := auxIntToInt32(v.AuxInt)
 11617  		sym := auxToSym(v.Aux)
 11618  		if v_0.Op != OpARM64ADD {
 11619  			break
 11620  		}
 11621  		idx := v_0.Args[1]
 11622  		ptr := v_0.Args[0]
 11623  		mem := v_1
 11624  		if !(off == 0 && sym == nil) {
 11625  			break
 11626  		}
 11627  		v.reset(OpARM64MOVHloadidx)
 11628  		v.AddArg3(ptr, idx, mem)
 11629  		return true
 11630  	}
 11631  	// match: (MOVHload [off] {sym} (ADDshiftLL [1] ptr idx) mem)
 11632  	// cond: off == 0 && sym == nil
 11633  	// result: (MOVHloadidx2 ptr idx mem)
 11634  	for {
 11635  		off := auxIntToInt32(v.AuxInt)
 11636  		sym := auxToSym(v.Aux)
 11637  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 11638  			break
 11639  		}
 11640  		idx := v_0.Args[1]
 11641  		ptr := v_0.Args[0]
 11642  		mem := v_1
 11643  		if !(off == 0 && sym == nil) {
 11644  			break
 11645  		}
 11646  		v.reset(OpARM64MOVHloadidx2)
 11647  		v.AddArg3(ptr, idx, mem)
 11648  		return true
 11649  	}
 11650  	// match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11651  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11652  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11653  	for {
 11654  		off1 := auxIntToInt32(v.AuxInt)
 11655  		sym1 := auxToSym(v.Aux)
 11656  		if v_0.Op != OpARM64MOVDaddr {
 11657  			break
 11658  		}
 11659  		off2 := auxIntToInt32(v_0.AuxInt)
 11660  		sym2 := auxToSym(v_0.Aux)
 11661  		ptr := v_0.Args[0]
 11662  		mem := v_1
 11663  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11664  			break
 11665  		}
 11666  		v.reset(OpARM64MOVHload)
 11667  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11668  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11669  		v.AddArg2(ptr, mem)
 11670  		return true
 11671  	}
 11672  	// match: (MOVHload [off] {sym} (SB) _)
 11673  	// cond: symIsRO(sym)
 11674  	// result: (MOVDconst [int64(int16(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))])
 11675  	for {
 11676  		off := auxIntToInt32(v.AuxInt)
 11677  		sym := auxToSym(v.Aux)
 11678  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 11679  			break
 11680  		}
 11681  		v.reset(OpARM64MOVDconst)
 11682  		v.AuxInt = int64ToAuxInt(int64(int16(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))))
 11683  		return true
 11684  	}
 11685  	return false
 11686  }
 11687  func rewriteValueARM64_OpARM64MOVHloadidx(v *Value) bool {
 11688  	v_2 := v.Args[2]
 11689  	v_1 := v.Args[1]
 11690  	v_0 := v.Args[0]
 11691  	// match: (MOVHloadidx ptr (MOVDconst [c]) mem)
 11692  	// cond: is32Bit(c)
 11693  	// result: (MOVHload [int32(c)] ptr mem)
 11694  	for {
 11695  		ptr := v_0
 11696  		if v_1.Op != OpARM64MOVDconst {
 11697  			break
 11698  		}
 11699  		c := auxIntToInt64(v_1.AuxInt)
 11700  		mem := v_2
 11701  		if !(is32Bit(c)) {
 11702  			break
 11703  		}
 11704  		v.reset(OpARM64MOVHload)
 11705  		v.AuxInt = int32ToAuxInt(int32(c))
 11706  		v.AddArg2(ptr, mem)
 11707  		return true
 11708  	}
 11709  	// match: (MOVHloadidx (MOVDconst [c]) ptr mem)
 11710  	// cond: is32Bit(c)
 11711  	// result: (MOVHload [int32(c)] ptr mem)
 11712  	for {
 11713  		if v_0.Op != OpARM64MOVDconst {
 11714  			break
 11715  		}
 11716  		c := auxIntToInt64(v_0.AuxInt)
 11717  		ptr := v_1
 11718  		mem := v_2
 11719  		if !(is32Bit(c)) {
 11720  			break
 11721  		}
 11722  		v.reset(OpARM64MOVHload)
 11723  		v.AuxInt = int32ToAuxInt(int32(c))
 11724  		v.AddArg2(ptr, mem)
 11725  		return true
 11726  	}
 11727  	// match: (MOVHloadidx ptr (SLLconst [1] idx) mem)
 11728  	// result: (MOVHloadidx2 ptr idx mem)
 11729  	for {
 11730  		ptr := v_0
 11731  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 11732  			break
 11733  		}
 11734  		idx := v_1.Args[0]
 11735  		mem := v_2
 11736  		v.reset(OpARM64MOVHloadidx2)
 11737  		v.AddArg3(ptr, idx, mem)
 11738  		return true
 11739  	}
 11740  	// match: (MOVHloadidx ptr (ADD idx idx) mem)
 11741  	// result: (MOVHloadidx2 ptr idx mem)
 11742  	for {
 11743  		ptr := v_0
 11744  		if v_1.Op != OpARM64ADD {
 11745  			break
 11746  		}
 11747  		idx := v_1.Args[1]
 11748  		if idx != v_1.Args[0] {
 11749  			break
 11750  		}
 11751  		mem := v_2
 11752  		v.reset(OpARM64MOVHloadidx2)
 11753  		v.AddArg3(ptr, idx, mem)
 11754  		return true
 11755  	}
 11756  	// match: (MOVHloadidx (ADD idx idx) ptr mem)
 11757  	// result: (MOVHloadidx2 ptr idx mem)
 11758  	for {
 11759  		if v_0.Op != OpARM64ADD {
 11760  			break
 11761  		}
 11762  		idx := v_0.Args[1]
 11763  		if idx != v_0.Args[0] {
 11764  			break
 11765  		}
 11766  		ptr := v_1
 11767  		mem := v_2
 11768  		v.reset(OpARM64MOVHloadidx2)
 11769  		v.AddArg3(ptr, idx, mem)
 11770  		return true
 11771  	}
 11772  	return false
 11773  }
 11774  func rewriteValueARM64_OpARM64MOVHloadidx2(v *Value) bool {
 11775  	v_2 := v.Args[2]
 11776  	v_1 := v.Args[1]
 11777  	v_0 := v.Args[0]
 11778  	// match: (MOVHloadidx2 ptr (MOVDconst [c]) mem)
 11779  	// cond: is32Bit(c<<1)
 11780  	// result: (MOVHload [int32(c)<<1] ptr mem)
 11781  	for {
 11782  		ptr := v_0
 11783  		if v_1.Op != OpARM64MOVDconst {
 11784  			break
 11785  		}
 11786  		c := auxIntToInt64(v_1.AuxInt)
 11787  		mem := v_2
 11788  		if !(is32Bit(c << 1)) {
 11789  			break
 11790  		}
 11791  		v.reset(OpARM64MOVHload)
 11792  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 11793  		v.AddArg2(ptr, mem)
 11794  		return true
 11795  	}
 11796  	return false
 11797  }
 11798  func rewriteValueARM64_OpARM64MOVHreg(v *Value) bool {
 11799  	v_0 := v.Args[0]
 11800  	// match: (MOVHreg (MOVDconst [c]))
 11801  	// result: (MOVDconst [int64(int16(c))])
 11802  	for {
 11803  		if v_0.Op != OpARM64MOVDconst {
 11804  			break
 11805  		}
 11806  		c := auxIntToInt64(v_0.AuxInt)
 11807  		v.reset(OpARM64MOVDconst)
 11808  		v.AuxInt = int64ToAuxInt(int64(int16(c)))
 11809  		return true
 11810  	}
 11811  	// match: (MOVHreg x)
 11812  	// cond: v.Type.Size() <= 2
 11813  	// result: x
 11814  	for {
 11815  		x := v_0
 11816  		if !(v.Type.Size() <= 2) {
 11817  			break
 11818  		}
 11819  		v.copyOf(x)
 11820  		return true
 11821  	}
 11822  	// match: (MOVHreg <t> (ANDconst x [c]))
 11823  	// cond: uint64(c) & uint64(0xffffffffffff8000) == 0
 11824  	// result: (ANDconst <t> x [c])
 11825  	for {
 11826  		t := v.Type
 11827  		if v_0.Op != OpARM64ANDconst {
 11828  			break
 11829  		}
 11830  		c := auxIntToInt64(v_0.AuxInt)
 11831  		x := v_0.Args[0]
 11832  		if !(uint64(c)&uint64(0xffffffffffff8000) == 0) {
 11833  			break
 11834  		}
 11835  		v.reset(OpARM64ANDconst)
 11836  		v.Type = t
 11837  		v.AuxInt = int64ToAuxInt(c)
 11838  		v.AddArg(x)
 11839  		return true
 11840  	}
 11841  	// match: (MOVHreg (SLLconst [lc] x))
 11842  	// cond: lc < 16
 11843  	// result: (SBFIZ [armBFAuxInt(lc, 16-lc)] x)
 11844  	for {
 11845  		if v_0.Op != OpARM64SLLconst {
 11846  			break
 11847  		}
 11848  		lc := auxIntToInt64(v_0.AuxInt)
 11849  		x := v_0.Args[0]
 11850  		if !(lc < 16) {
 11851  			break
 11852  		}
 11853  		v.reset(OpARM64SBFIZ)
 11854  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 16-lc))
 11855  		v.AddArg(x)
 11856  		return true
 11857  	}
 11858  	// match: (MOVHreg (SBFX [bfc] x))
 11859  	// cond: bfc.width() <= 16
 11860  	// result: (SBFX [bfc] x)
 11861  	for {
 11862  		if v_0.Op != OpARM64SBFX {
 11863  			break
 11864  		}
 11865  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 11866  		x := v_0.Args[0]
 11867  		if !(bfc.width() <= 16) {
 11868  			break
 11869  		}
 11870  		v.reset(OpARM64SBFX)
 11871  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 11872  		v.AddArg(x)
 11873  		return true
 11874  	}
 11875  	return false
 11876  }
 11877  func rewriteValueARM64_OpARM64MOVHstore(v *Value) bool {
 11878  	v_2 := v.Args[2]
 11879  	v_1 := v.Args[1]
 11880  	v_0 := v.Args[0]
 11881  	b := v.Block
 11882  	config := b.Func.Config
 11883  	// match: (MOVHstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 11884  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11885  	// result: (MOVHstore [off1+int32(off2)] {sym} ptr val mem)
 11886  	for {
 11887  		off1 := auxIntToInt32(v.AuxInt)
 11888  		sym := auxToSym(v.Aux)
 11889  		if v_0.Op != OpARM64ADDconst {
 11890  			break
 11891  		}
 11892  		off2 := auxIntToInt64(v_0.AuxInt)
 11893  		ptr := v_0.Args[0]
 11894  		val := v_1
 11895  		mem := v_2
 11896  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11897  			break
 11898  		}
 11899  		v.reset(OpARM64MOVHstore)
 11900  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11901  		v.Aux = symToAux(sym)
 11902  		v.AddArg3(ptr, val, mem)
 11903  		return true
 11904  	}
 11905  	// match: (MOVHstore [off] {sym} (ADD ptr idx) val mem)
 11906  	// cond: off == 0 && sym == nil
 11907  	// result: (MOVHstoreidx ptr idx val mem)
 11908  	for {
 11909  		off := auxIntToInt32(v.AuxInt)
 11910  		sym := auxToSym(v.Aux)
 11911  		if v_0.Op != OpARM64ADD {
 11912  			break
 11913  		}
 11914  		idx := v_0.Args[1]
 11915  		ptr := v_0.Args[0]
 11916  		val := v_1
 11917  		mem := v_2
 11918  		if !(off == 0 && sym == nil) {
 11919  			break
 11920  		}
 11921  		v.reset(OpARM64MOVHstoreidx)
 11922  		v.AddArg4(ptr, idx, val, mem)
 11923  		return true
 11924  	}
 11925  	// match: (MOVHstore [off] {sym} (ADDshiftLL [1] ptr idx) val mem)
 11926  	// cond: off == 0 && sym == nil
 11927  	// result: (MOVHstoreidx2 ptr idx val mem)
 11928  	for {
 11929  		off := auxIntToInt32(v.AuxInt)
 11930  		sym := auxToSym(v.Aux)
 11931  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 11932  			break
 11933  		}
 11934  		idx := v_0.Args[1]
 11935  		ptr := v_0.Args[0]
 11936  		val := v_1
 11937  		mem := v_2
 11938  		if !(off == 0 && sym == nil) {
 11939  			break
 11940  		}
 11941  		v.reset(OpARM64MOVHstoreidx2)
 11942  		v.AddArg4(ptr, idx, val, mem)
 11943  		return true
 11944  	}
 11945  	// match: (MOVHstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 11946  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11947  	// result: (MOVHstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 11948  	for {
 11949  		off1 := auxIntToInt32(v.AuxInt)
 11950  		sym1 := auxToSym(v.Aux)
 11951  		if v_0.Op != OpARM64MOVDaddr {
 11952  			break
 11953  		}
 11954  		off2 := auxIntToInt32(v_0.AuxInt)
 11955  		sym2 := auxToSym(v_0.Aux)
 11956  		ptr := v_0.Args[0]
 11957  		val := v_1
 11958  		mem := v_2
 11959  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11960  			break
 11961  		}
 11962  		v.reset(OpARM64MOVHstore)
 11963  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11964  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11965  		v.AddArg3(ptr, val, mem)
 11966  		return true
 11967  	}
 11968  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
 11969  	// result: (MOVHstore [off] {sym} ptr x mem)
 11970  	for {
 11971  		off := auxIntToInt32(v.AuxInt)
 11972  		sym := auxToSym(v.Aux)
 11973  		ptr := v_0
 11974  		if v_1.Op != OpARM64MOVHreg {
 11975  			break
 11976  		}
 11977  		x := v_1.Args[0]
 11978  		mem := v_2
 11979  		v.reset(OpARM64MOVHstore)
 11980  		v.AuxInt = int32ToAuxInt(off)
 11981  		v.Aux = symToAux(sym)
 11982  		v.AddArg3(ptr, x, mem)
 11983  		return true
 11984  	}
 11985  	// match: (MOVHstore [off] {sym} ptr (MOVHUreg x) mem)
 11986  	// result: (MOVHstore [off] {sym} ptr x mem)
 11987  	for {
 11988  		off := auxIntToInt32(v.AuxInt)
 11989  		sym := auxToSym(v.Aux)
 11990  		ptr := v_0
 11991  		if v_1.Op != OpARM64MOVHUreg {
 11992  			break
 11993  		}
 11994  		x := v_1.Args[0]
 11995  		mem := v_2
 11996  		v.reset(OpARM64MOVHstore)
 11997  		v.AuxInt = int32ToAuxInt(off)
 11998  		v.Aux = symToAux(sym)
 11999  		v.AddArg3(ptr, x, mem)
 12000  		return true
 12001  	}
 12002  	// match: (MOVHstore [off] {sym} ptr (MOVWreg x) mem)
 12003  	// result: (MOVHstore [off] {sym} ptr x mem)
 12004  	for {
 12005  		off := auxIntToInt32(v.AuxInt)
 12006  		sym := auxToSym(v.Aux)
 12007  		ptr := v_0
 12008  		if v_1.Op != OpARM64MOVWreg {
 12009  			break
 12010  		}
 12011  		x := v_1.Args[0]
 12012  		mem := v_2
 12013  		v.reset(OpARM64MOVHstore)
 12014  		v.AuxInt = int32ToAuxInt(off)
 12015  		v.Aux = symToAux(sym)
 12016  		v.AddArg3(ptr, x, mem)
 12017  		return true
 12018  	}
 12019  	// match: (MOVHstore [off] {sym} ptr (MOVWUreg x) mem)
 12020  	// result: (MOVHstore [off] {sym} ptr x mem)
 12021  	for {
 12022  		off := auxIntToInt32(v.AuxInt)
 12023  		sym := auxToSym(v.Aux)
 12024  		ptr := v_0
 12025  		if v_1.Op != OpARM64MOVWUreg {
 12026  			break
 12027  		}
 12028  		x := v_1.Args[0]
 12029  		mem := v_2
 12030  		v.reset(OpARM64MOVHstore)
 12031  		v.AuxInt = int32ToAuxInt(off)
 12032  		v.Aux = symToAux(sym)
 12033  		v.AddArg3(ptr, x, mem)
 12034  		return true
 12035  	}
 12036  	return false
 12037  }
 12038  func rewriteValueARM64_OpARM64MOVHstoreidx(v *Value) bool {
 12039  	v_3 := v.Args[3]
 12040  	v_2 := v.Args[2]
 12041  	v_1 := v.Args[1]
 12042  	v_0 := v.Args[0]
 12043  	// match: (MOVHstoreidx ptr (MOVDconst [c]) val mem)
 12044  	// cond: is32Bit(c)
 12045  	// result: (MOVHstore [int32(c)] ptr val mem)
 12046  	for {
 12047  		ptr := v_0
 12048  		if v_1.Op != OpARM64MOVDconst {
 12049  			break
 12050  		}
 12051  		c := auxIntToInt64(v_1.AuxInt)
 12052  		val := v_2
 12053  		mem := v_3
 12054  		if !(is32Bit(c)) {
 12055  			break
 12056  		}
 12057  		v.reset(OpARM64MOVHstore)
 12058  		v.AuxInt = int32ToAuxInt(int32(c))
 12059  		v.AddArg3(ptr, val, mem)
 12060  		return true
 12061  	}
 12062  	// match: (MOVHstoreidx (MOVDconst [c]) idx val mem)
 12063  	// cond: is32Bit(c)
 12064  	// result: (MOVHstore [int32(c)] idx val mem)
 12065  	for {
 12066  		if v_0.Op != OpARM64MOVDconst {
 12067  			break
 12068  		}
 12069  		c := auxIntToInt64(v_0.AuxInt)
 12070  		idx := v_1
 12071  		val := v_2
 12072  		mem := v_3
 12073  		if !(is32Bit(c)) {
 12074  			break
 12075  		}
 12076  		v.reset(OpARM64MOVHstore)
 12077  		v.AuxInt = int32ToAuxInt(int32(c))
 12078  		v.AddArg3(idx, val, mem)
 12079  		return true
 12080  	}
 12081  	// match: (MOVHstoreidx ptr (SLLconst [1] idx) val mem)
 12082  	// result: (MOVHstoreidx2 ptr idx val mem)
 12083  	for {
 12084  		ptr := v_0
 12085  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 12086  			break
 12087  		}
 12088  		idx := v_1.Args[0]
 12089  		val := v_2
 12090  		mem := v_3
 12091  		v.reset(OpARM64MOVHstoreidx2)
 12092  		v.AddArg4(ptr, idx, val, mem)
 12093  		return true
 12094  	}
 12095  	// match: (MOVHstoreidx ptr (ADD idx idx) val mem)
 12096  	// result: (MOVHstoreidx2 ptr idx val mem)
 12097  	for {
 12098  		ptr := v_0
 12099  		if v_1.Op != OpARM64ADD {
 12100  			break
 12101  		}
 12102  		idx := v_1.Args[1]
 12103  		if idx != v_1.Args[0] {
 12104  			break
 12105  		}
 12106  		val := v_2
 12107  		mem := v_3
 12108  		v.reset(OpARM64MOVHstoreidx2)
 12109  		v.AddArg4(ptr, idx, val, mem)
 12110  		return true
 12111  	}
 12112  	// match: (MOVHstoreidx (SLLconst [1] idx) ptr val mem)
 12113  	// result: (MOVHstoreidx2 ptr idx val mem)
 12114  	for {
 12115  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 1 {
 12116  			break
 12117  		}
 12118  		idx := v_0.Args[0]
 12119  		ptr := v_1
 12120  		val := v_2
 12121  		mem := v_3
 12122  		v.reset(OpARM64MOVHstoreidx2)
 12123  		v.AddArg4(ptr, idx, val, mem)
 12124  		return true
 12125  	}
 12126  	// match: (MOVHstoreidx (ADD idx idx) ptr val mem)
 12127  	// result: (MOVHstoreidx2 ptr idx val mem)
 12128  	for {
 12129  		if v_0.Op != OpARM64ADD {
 12130  			break
 12131  		}
 12132  		idx := v_0.Args[1]
 12133  		if idx != v_0.Args[0] {
 12134  			break
 12135  		}
 12136  		ptr := v_1
 12137  		val := v_2
 12138  		mem := v_3
 12139  		v.reset(OpARM64MOVHstoreidx2)
 12140  		v.AddArg4(ptr, idx, val, mem)
 12141  		return true
 12142  	}
 12143  	// match: (MOVHstoreidx ptr idx (MOVHreg x) mem)
 12144  	// result: (MOVHstoreidx ptr idx x mem)
 12145  	for {
 12146  		ptr := v_0
 12147  		idx := v_1
 12148  		if v_2.Op != OpARM64MOVHreg {
 12149  			break
 12150  		}
 12151  		x := v_2.Args[0]
 12152  		mem := v_3
 12153  		v.reset(OpARM64MOVHstoreidx)
 12154  		v.AddArg4(ptr, idx, x, mem)
 12155  		return true
 12156  	}
 12157  	// match: (MOVHstoreidx ptr idx (MOVHUreg x) mem)
 12158  	// result: (MOVHstoreidx ptr idx x mem)
 12159  	for {
 12160  		ptr := v_0
 12161  		idx := v_1
 12162  		if v_2.Op != OpARM64MOVHUreg {
 12163  			break
 12164  		}
 12165  		x := v_2.Args[0]
 12166  		mem := v_3
 12167  		v.reset(OpARM64MOVHstoreidx)
 12168  		v.AddArg4(ptr, idx, x, mem)
 12169  		return true
 12170  	}
 12171  	// match: (MOVHstoreidx ptr idx (MOVWreg x) mem)
 12172  	// result: (MOVHstoreidx ptr idx x mem)
 12173  	for {
 12174  		ptr := v_0
 12175  		idx := v_1
 12176  		if v_2.Op != OpARM64MOVWreg {
 12177  			break
 12178  		}
 12179  		x := v_2.Args[0]
 12180  		mem := v_3
 12181  		v.reset(OpARM64MOVHstoreidx)
 12182  		v.AddArg4(ptr, idx, x, mem)
 12183  		return true
 12184  	}
 12185  	// match: (MOVHstoreidx ptr idx (MOVWUreg x) mem)
 12186  	// result: (MOVHstoreidx ptr idx x mem)
 12187  	for {
 12188  		ptr := v_0
 12189  		idx := v_1
 12190  		if v_2.Op != OpARM64MOVWUreg {
 12191  			break
 12192  		}
 12193  		x := v_2.Args[0]
 12194  		mem := v_3
 12195  		v.reset(OpARM64MOVHstoreidx)
 12196  		v.AddArg4(ptr, idx, x, mem)
 12197  		return true
 12198  	}
 12199  	return false
 12200  }
 12201  func rewriteValueARM64_OpARM64MOVHstoreidx2(v *Value) bool {
 12202  	v_3 := v.Args[3]
 12203  	v_2 := v.Args[2]
 12204  	v_1 := v.Args[1]
 12205  	v_0 := v.Args[0]
 12206  	// match: (MOVHstoreidx2 ptr (MOVDconst [c]) val mem)
 12207  	// cond: is32Bit(c<<1)
 12208  	// result: (MOVHstore [int32(c)<<1] ptr val mem)
 12209  	for {
 12210  		ptr := v_0
 12211  		if v_1.Op != OpARM64MOVDconst {
 12212  			break
 12213  		}
 12214  		c := auxIntToInt64(v_1.AuxInt)
 12215  		val := v_2
 12216  		mem := v_3
 12217  		if !(is32Bit(c << 1)) {
 12218  			break
 12219  		}
 12220  		v.reset(OpARM64MOVHstore)
 12221  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 12222  		v.AddArg3(ptr, val, mem)
 12223  		return true
 12224  	}
 12225  	// match: (MOVHstoreidx2 ptr idx (MOVHreg x) mem)
 12226  	// result: (MOVHstoreidx2 ptr idx x mem)
 12227  	for {
 12228  		ptr := v_0
 12229  		idx := v_1
 12230  		if v_2.Op != OpARM64MOVHreg {
 12231  			break
 12232  		}
 12233  		x := v_2.Args[0]
 12234  		mem := v_3
 12235  		v.reset(OpARM64MOVHstoreidx2)
 12236  		v.AddArg4(ptr, idx, x, mem)
 12237  		return true
 12238  	}
 12239  	// match: (MOVHstoreidx2 ptr idx (MOVHUreg x) mem)
 12240  	// result: (MOVHstoreidx2 ptr idx x mem)
 12241  	for {
 12242  		ptr := v_0
 12243  		idx := v_1
 12244  		if v_2.Op != OpARM64MOVHUreg {
 12245  			break
 12246  		}
 12247  		x := v_2.Args[0]
 12248  		mem := v_3
 12249  		v.reset(OpARM64MOVHstoreidx2)
 12250  		v.AddArg4(ptr, idx, x, mem)
 12251  		return true
 12252  	}
 12253  	// match: (MOVHstoreidx2 ptr idx (MOVWreg x) mem)
 12254  	// result: (MOVHstoreidx2 ptr idx x mem)
 12255  	for {
 12256  		ptr := v_0
 12257  		idx := v_1
 12258  		if v_2.Op != OpARM64MOVWreg {
 12259  			break
 12260  		}
 12261  		x := v_2.Args[0]
 12262  		mem := v_3
 12263  		v.reset(OpARM64MOVHstoreidx2)
 12264  		v.AddArg4(ptr, idx, x, mem)
 12265  		return true
 12266  	}
 12267  	// match: (MOVHstoreidx2 ptr idx (MOVWUreg x) mem)
 12268  	// result: (MOVHstoreidx2 ptr idx x mem)
 12269  	for {
 12270  		ptr := v_0
 12271  		idx := v_1
 12272  		if v_2.Op != OpARM64MOVWUreg {
 12273  			break
 12274  		}
 12275  		x := v_2.Args[0]
 12276  		mem := v_3
 12277  		v.reset(OpARM64MOVHstoreidx2)
 12278  		v.AddArg4(ptr, idx, x, mem)
 12279  		return true
 12280  	}
 12281  	return false
 12282  }
 12283  func rewriteValueARM64_OpARM64MOVWUload(v *Value) bool {
 12284  	v_1 := v.Args[1]
 12285  	v_0 := v.Args[0]
 12286  	b := v.Block
 12287  	config := b.Func.Config
 12288  	// match: (MOVWUload [off] {sym} ptr (FMOVSstore [off] {sym} ptr val _))
 12289  	// result: (FMOVSfpgp val)
 12290  	for {
 12291  		off := auxIntToInt32(v.AuxInt)
 12292  		sym := auxToSym(v.Aux)
 12293  		ptr := v_0
 12294  		if v_1.Op != OpARM64FMOVSstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
 12295  			break
 12296  		}
 12297  		val := v_1.Args[1]
 12298  		if ptr != v_1.Args[0] {
 12299  			break
 12300  		}
 12301  		v.reset(OpARM64FMOVSfpgp)
 12302  		v.AddArg(val)
 12303  		return true
 12304  	}
 12305  	// match: (MOVWUload [off1] {sym} (ADDconst [off2] ptr) mem)
 12306  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12307  	// result: (MOVWUload [off1+int32(off2)] {sym} ptr mem)
 12308  	for {
 12309  		off1 := auxIntToInt32(v.AuxInt)
 12310  		sym := auxToSym(v.Aux)
 12311  		if v_0.Op != OpARM64ADDconst {
 12312  			break
 12313  		}
 12314  		off2 := auxIntToInt64(v_0.AuxInt)
 12315  		ptr := v_0.Args[0]
 12316  		mem := v_1
 12317  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12318  			break
 12319  		}
 12320  		v.reset(OpARM64MOVWUload)
 12321  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 12322  		v.Aux = symToAux(sym)
 12323  		v.AddArg2(ptr, mem)
 12324  		return true
 12325  	}
 12326  	// match: (MOVWUload [off] {sym} (ADD ptr idx) mem)
 12327  	// cond: off == 0 && sym == nil
 12328  	// result: (MOVWUloadidx ptr idx mem)
 12329  	for {
 12330  		off := auxIntToInt32(v.AuxInt)
 12331  		sym := auxToSym(v.Aux)
 12332  		if v_0.Op != OpARM64ADD {
 12333  			break
 12334  		}
 12335  		idx := v_0.Args[1]
 12336  		ptr := v_0.Args[0]
 12337  		mem := v_1
 12338  		if !(off == 0 && sym == nil) {
 12339  			break
 12340  		}
 12341  		v.reset(OpARM64MOVWUloadidx)
 12342  		v.AddArg3(ptr, idx, mem)
 12343  		return true
 12344  	}
 12345  	// match: (MOVWUload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 12346  	// cond: off == 0 && sym == nil
 12347  	// result: (MOVWUloadidx4 ptr idx mem)
 12348  	for {
 12349  		off := auxIntToInt32(v.AuxInt)
 12350  		sym := auxToSym(v.Aux)
 12351  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 12352  			break
 12353  		}
 12354  		idx := v_0.Args[1]
 12355  		ptr := v_0.Args[0]
 12356  		mem := v_1
 12357  		if !(off == 0 && sym == nil) {
 12358  			break
 12359  		}
 12360  		v.reset(OpARM64MOVWUloadidx4)
 12361  		v.AddArg3(ptr, idx, mem)
 12362  		return true
 12363  	}
 12364  	// match: (MOVWUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 12365  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12366  	// result: (MOVWUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 12367  	for {
 12368  		off1 := auxIntToInt32(v.AuxInt)
 12369  		sym1 := auxToSym(v.Aux)
 12370  		if v_0.Op != OpARM64MOVDaddr {
 12371  			break
 12372  		}
 12373  		off2 := auxIntToInt32(v_0.AuxInt)
 12374  		sym2 := auxToSym(v_0.Aux)
 12375  		ptr := v_0.Args[0]
 12376  		mem := v_1
 12377  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12378  			break
 12379  		}
 12380  		v.reset(OpARM64MOVWUload)
 12381  		v.AuxInt = int32ToAuxInt(off1 + off2)
 12382  		v.Aux = symToAux(mergeSym(sym1, sym2))
 12383  		v.AddArg2(ptr, mem)
 12384  		return true
 12385  	}
 12386  	// match: (MOVWUload [off] {sym} (SB) _)
 12387  	// cond: symIsRO(sym)
 12388  	// result: (MOVDconst [int64(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))])
 12389  	for {
 12390  		off := auxIntToInt32(v.AuxInt)
 12391  		sym := auxToSym(v.Aux)
 12392  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 12393  			break
 12394  		}
 12395  		v.reset(OpARM64MOVDconst)
 12396  		v.AuxInt = int64ToAuxInt(int64(read32(sym, int64(off), config.ctxt.Arch.ByteOrder)))
 12397  		return true
 12398  	}
 12399  	return false
 12400  }
 12401  func rewriteValueARM64_OpARM64MOVWUloadidx(v *Value) bool {
 12402  	v_2 := v.Args[2]
 12403  	v_1 := v.Args[1]
 12404  	v_0 := v.Args[0]
 12405  	// match: (MOVWUloadidx ptr (MOVDconst [c]) mem)
 12406  	// cond: is32Bit(c)
 12407  	// result: (MOVWUload [int32(c)] ptr mem)
 12408  	for {
 12409  		ptr := v_0
 12410  		if v_1.Op != OpARM64MOVDconst {
 12411  			break
 12412  		}
 12413  		c := auxIntToInt64(v_1.AuxInt)
 12414  		mem := v_2
 12415  		if !(is32Bit(c)) {
 12416  			break
 12417  		}
 12418  		v.reset(OpARM64MOVWUload)
 12419  		v.AuxInt = int32ToAuxInt(int32(c))
 12420  		v.AddArg2(ptr, mem)
 12421  		return true
 12422  	}
 12423  	// match: (MOVWUloadidx (MOVDconst [c]) ptr mem)
 12424  	// cond: is32Bit(c)
 12425  	// result: (MOVWUload [int32(c)] ptr mem)
 12426  	for {
 12427  		if v_0.Op != OpARM64MOVDconst {
 12428  			break
 12429  		}
 12430  		c := auxIntToInt64(v_0.AuxInt)
 12431  		ptr := v_1
 12432  		mem := v_2
 12433  		if !(is32Bit(c)) {
 12434  			break
 12435  		}
 12436  		v.reset(OpARM64MOVWUload)
 12437  		v.AuxInt = int32ToAuxInt(int32(c))
 12438  		v.AddArg2(ptr, mem)
 12439  		return true
 12440  	}
 12441  	// match: (MOVWUloadidx ptr (SLLconst [2] idx) mem)
 12442  	// result: (MOVWUloadidx4 ptr idx mem)
 12443  	for {
 12444  		ptr := v_0
 12445  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 12446  			break
 12447  		}
 12448  		idx := v_1.Args[0]
 12449  		mem := v_2
 12450  		v.reset(OpARM64MOVWUloadidx4)
 12451  		v.AddArg3(ptr, idx, mem)
 12452  		return true
 12453  	}
 12454  	// match: (MOVWUloadidx (SLLconst [2] idx) ptr mem)
 12455  	// result: (MOVWUloadidx4 ptr idx mem)
 12456  	for {
 12457  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 12458  			break
 12459  		}
 12460  		idx := v_0.Args[0]
 12461  		ptr := v_1
 12462  		mem := v_2
 12463  		v.reset(OpARM64MOVWUloadidx4)
 12464  		v.AddArg3(ptr, idx, mem)
 12465  		return true
 12466  	}
 12467  	return false
 12468  }
 12469  func rewriteValueARM64_OpARM64MOVWUloadidx4(v *Value) bool {
 12470  	v_2 := v.Args[2]
 12471  	v_1 := v.Args[1]
 12472  	v_0 := v.Args[0]
 12473  	// match: (MOVWUloadidx4 ptr (MOVDconst [c]) mem)
 12474  	// cond: is32Bit(c<<2)
 12475  	// result: (MOVWUload [int32(c)<<2] ptr mem)
 12476  	for {
 12477  		ptr := v_0
 12478  		if v_1.Op != OpARM64MOVDconst {
 12479  			break
 12480  		}
 12481  		c := auxIntToInt64(v_1.AuxInt)
 12482  		mem := v_2
 12483  		if !(is32Bit(c << 2)) {
 12484  			break
 12485  		}
 12486  		v.reset(OpARM64MOVWUload)
 12487  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 12488  		v.AddArg2(ptr, mem)
 12489  		return true
 12490  	}
 12491  	return false
 12492  }
 12493  func rewriteValueARM64_OpARM64MOVWUreg(v *Value) bool {
 12494  	v_0 := v.Args[0]
 12495  	// match: (MOVWUreg (ANDconst [c] x))
 12496  	// result: (ANDconst [c&(1<<32-1)] x)
 12497  	for {
 12498  		if v_0.Op != OpARM64ANDconst {
 12499  			break
 12500  		}
 12501  		c := auxIntToInt64(v_0.AuxInt)
 12502  		x := v_0.Args[0]
 12503  		v.reset(OpARM64ANDconst)
 12504  		v.AuxInt = int64ToAuxInt(c & (1<<32 - 1))
 12505  		v.AddArg(x)
 12506  		return true
 12507  	}
 12508  	// match: (MOVWUreg (MOVDconst [c]))
 12509  	// result: (MOVDconst [int64(uint32(c))])
 12510  	for {
 12511  		if v_0.Op != OpARM64MOVDconst {
 12512  			break
 12513  		}
 12514  		c := auxIntToInt64(v_0.AuxInt)
 12515  		v.reset(OpARM64MOVDconst)
 12516  		v.AuxInt = int64ToAuxInt(int64(uint32(c)))
 12517  		return true
 12518  	}
 12519  	// match: (MOVWUreg x)
 12520  	// cond: v.Type.Size() <= 4
 12521  	// result: x
 12522  	for {
 12523  		x := v_0
 12524  		if !(v.Type.Size() <= 4) {
 12525  			break
 12526  		}
 12527  		v.copyOf(x)
 12528  		return true
 12529  	}
 12530  	// match: (MOVWUreg (SLLconst [lc] x))
 12531  	// cond: lc >= 32
 12532  	// result: (MOVDconst [0])
 12533  	for {
 12534  		if v_0.Op != OpARM64SLLconst {
 12535  			break
 12536  		}
 12537  		lc := auxIntToInt64(v_0.AuxInt)
 12538  		if !(lc >= 32) {
 12539  			break
 12540  		}
 12541  		v.reset(OpARM64MOVDconst)
 12542  		v.AuxInt = int64ToAuxInt(0)
 12543  		return true
 12544  	}
 12545  	// match: (MOVWUreg (SLLconst [lc] x))
 12546  	// cond: lc < 32
 12547  	// result: (UBFIZ [armBFAuxInt(lc, 32-lc)] x)
 12548  	for {
 12549  		if v_0.Op != OpARM64SLLconst {
 12550  			break
 12551  		}
 12552  		lc := auxIntToInt64(v_0.AuxInt)
 12553  		x := v_0.Args[0]
 12554  		if !(lc < 32) {
 12555  			break
 12556  		}
 12557  		v.reset(OpARM64UBFIZ)
 12558  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 32-lc))
 12559  		v.AddArg(x)
 12560  		return true
 12561  	}
 12562  	// match: (MOVWUreg (SRLconst [rc] x))
 12563  	// cond: rc < 32
 12564  	// result: (UBFX [armBFAuxInt(rc, 32)] x)
 12565  	for {
 12566  		if v_0.Op != OpARM64SRLconst {
 12567  			break
 12568  		}
 12569  		rc := auxIntToInt64(v_0.AuxInt)
 12570  		x := v_0.Args[0]
 12571  		if !(rc < 32) {
 12572  			break
 12573  		}
 12574  		v.reset(OpARM64UBFX)
 12575  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32))
 12576  		v.AddArg(x)
 12577  		return true
 12578  	}
 12579  	// match: (MOVWUreg (UBFX [bfc] x))
 12580  	// cond: bfc.width() <= 32
 12581  	// result: (UBFX [bfc] x)
 12582  	for {
 12583  		if v_0.Op != OpARM64UBFX {
 12584  			break
 12585  		}
 12586  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 12587  		x := v_0.Args[0]
 12588  		if !(bfc.width() <= 32) {
 12589  			break
 12590  		}
 12591  		v.reset(OpARM64UBFX)
 12592  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 12593  		v.AddArg(x)
 12594  		return true
 12595  	}
 12596  	return false
 12597  }
 12598  func rewriteValueARM64_OpARM64MOVWload(v *Value) bool {
 12599  	v_1 := v.Args[1]
 12600  	v_0 := v.Args[0]
 12601  	b := v.Block
 12602  	config := b.Func.Config
 12603  	// match: (MOVWload [off1] {sym} (ADDconst [off2] ptr) mem)
 12604  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12605  	// result: (MOVWload [off1+int32(off2)] {sym} ptr mem)
 12606  	for {
 12607  		off1 := auxIntToInt32(v.AuxInt)
 12608  		sym := auxToSym(v.Aux)
 12609  		if v_0.Op != OpARM64ADDconst {
 12610  			break
 12611  		}
 12612  		off2 := auxIntToInt64(v_0.AuxInt)
 12613  		ptr := v_0.Args[0]
 12614  		mem := v_1
 12615  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12616  			break
 12617  		}
 12618  		v.reset(OpARM64MOVWload)
 12619  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 12620  		v.Aux = symToAux(sym)
 12621  		v.AddArg2(ptr, mem)
 12622  		return true
 12623  	}
 12624  	// match: (MOVWload [off] {sym} (ADD ptr idx) mem)
 12625  	// cond: off == 0 && sym == nil
 12626  	// result: (MOVWloadidx ptr idx mem)
 12627  	for {
 12628  		off := auxIntToInt32(v.AuxInt)
 12629  		sym := auxToSym(v.Aux)
 12630  		if v_0.Op != OpARM64ADD {
 12631  			break
 12632  		}
 12633  		idx := v_0.Args[1]
 12634  		ptr := v_0.Args[0]
 12635  		mem := v_1
 12636  		if !(off == 0 && sym == nil) {
 12637  			break
 12638  		}
 12639  		v.reset(OpARM64MOVWloadidx)
 12640  		v.AddArg3(ptr, idx, mem)
 12641  		return true
 12642  	}
 12643  	// match: (MOVWload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 12644  	// cond: off == 0 && sym == nil
 12645  	// result: (MOVWloadidx4 ptr idx mem)
 12646  	for {
 12647  		off := auxIntToInt32(v.AuxInt)
 12648  		sym := auxToSym(v.Aux)
 12649  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 12650  			break
 12651  		}
 12652  		idx := v_0.Args[1]
 12653  		ptr := v_0.Args[0]
 12654  		mem := v_1
 12655  		if !(off == 0 && sym == nil) {
 12656  			break
 12657  		}
 12658  		v.reset(OpARM64MOVWloadidx4)
 12659  		v.AddArg3(ptr, idx, mem)
 12660  		return true
 12661  	}
 12662  	// match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 12663  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12664  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 12665  	for {
 12666  		off1 := auxIntToInt32(v.AuxInt)
 12667  		sym1 := auxToSym(v.Aux)
 12668  		if v_0.Op != OpARM64MOVDaddr {
 12669  			break
 12670  		}
 12671  		off2 := auxIntToInt32(v_0.AuxInt)
 12672  		sym2 := auxToSym(v_0.Aux)
 12673  		ptr := v_0.Args[0]
 12674  		mem := v_1
 12675  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12676  			break
 12677  		}
 12678  		v.reset(OpARM64MOVWload)
 12679  		v.AuxInt = int32ToAuxInt(off1 + off2)
 12680  		v.Aux = symToAux(mergeSym(sym1, sym2))
 12681  		v.AddArg2(ptr, mem)
 12682  		return true
 12683  	}
 12684  	// match: (MOVWload [off] {sym} (SB) _)
 12685  	// cond: symIsRO(sym)
 12686  	// result: (MOVDconst [int64(int32(read32(sym, int64(off), config.ctxt.Arch.ByteOrder)))])
 12687  	for {
 12688  		off := auxIntToInt32(v.AuxInt)
 12689  		sym := auxToSym(v.Aux)
 12690  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 12691  			break
 12692  		}
 12693  		v.reset(OpARM64MOVDconst)
 12694  		v.AuxInt = int64ToAuxInt(int64(int32(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))))
 12695  		return true
 12696  	}
 12697  	return false
 12698  }
 12699  func rewriteValueARM64_OpARM64MOVWloadidx(v *Value) bool {
 12700  	v_2 := v.Args[2]
 12701  	v_1 := v.Args[1]
 12702  	v_0 := v.Args[0]
 12703  	// match: (MOVWloadidx ptr (MOVDconst [c]) mem)
 12704  	// cond: is32Bit(c)
 12705  	// result: (MOVWload [int32(c)] ptr mem)
 12706  	for {
 12707  		ptr := v_0
 12708  		if v_1.Op != OpARM64MOVDconst {
 12709  			break
 12710  		}
 12711  		c := auxIntToInt64(v_1.AuxInt)
 12712  		mem := v_2
 12713  		if !(is32Bit(c)) {
 12714  			break
 12715  		}
 12716  		v.reset(OpARM64MOVWload)
 12717  		v.AuxInt = int32ToAuxInt(int32(c))
 12718  		v.AddArg2(ptr, mem)
 12719  		return true
 12720  	}
 12721  	// match: (MOVWloadidx (MOVDconst [c]) ptr mem)
 12722  	// cond: is32Bit(c)
 12723  	// result: (MOVWload [int32(c)] ptr mem)
 12724  	for {
 12725  		if v_0.Op != OpARM64MOVDconst {
 12726  			break
 12727  		}
 12728  		c := auxIntToInt64(v_0.AuxInt)
 12729  		ptr := v_1
 12730  		mem := v_2
 12731  		if !(is32Bit(c)) {
 12732  			break
 12733  		}
 12734  		v.reset(OpARM64MOVWload)
 12735  		v.AuxInt = int32ToAuxInt(int32(c))
 12736  		v.AddArg2(ptr, mem)
 12737  		return true
 12738  	}
 12739  	// match: (MOVWloadidx ptr (SLLconst [2] idx) mem)
 12740  	// result: (MOVWloadidx4 ptr idx mem)
 12741  	for {
 12742  		ptr := v_0
 12743  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 12744  			break
 12745  		}
 12746  		idx := v_1.Args[0]
 12747  		mem := v_2
 12748  		v.reset(OpARM64MOVWloadidx4)
 12749  		v.AddArg3(ptr, idx, mem)
 12750  		return true
 12751  	}
 12752  	// match: (MOVWloadidx (SLLconst [2] idx) ptr mem)
 12753  	// result: (MOVWloadidx4 ptr idx mem)
 12754  	for {
 12755  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 12756  			break
 12757  		}
 12758  		idx := v_0.Args[0]
 12759  		ptr := v_1
 12760  		mem := v_2
 12761  		v.reset(OpARM64MOVWloadidx4)
 12762  		v.AddArg3(ptr, idx, mem)
 12763  		return true
 12764  	}
 12765  	return false
 12766  }
 12767  func rewriteValueARM64_OpARM64MOVWloadidx4(v *Value) bool {
 12768  	v_2 := v.Args[2]
 12769  	v_1 := v.Args[1]
 12770  	v_0 := v.Args[0]
 12771  	// match: (MOVWloadidx4 ptr (MOVDconst [c]) mem)
 12772  	// cond: is32Bit(c<<2)
 12773  	// result: (MOVWload [int32(c)<<2] ptr mem)
 12774  	for {
 12775  		ptr := v_0
 12776  		if v_1.Op != OpARM64MOVDconst {
 12777  			break
 12778  		}
 12779  		c := auxIntToInt64(v_1.AuxInt)
 12780  		mem := v_2
 12781  		if !(is32Bit(c << 2)) {
 12782  			break
 12783  		}
 12784  		v.reset(OpARM64MOVWload)
 12785  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 12786  		v.AddArg2(ptr, mem)
 12787  		return true
 12788  	}
 12789  	return false
 12790  }
 12791  func rewriteValueARM64_OpARM64MOVWreg(v *Value) bool {
 12792  	v_0 := v.Args[0]
 12793  	// match: (MOVWreg (MOVDconst [c]))
 12794  	// result: (MOVDconst [int64(int32(c))])
 12795  	for {
 12796  		if v_0.Op != OpARM64MOVDconst {
 12797  			break
 12798  		}
 12799  		c := auxIntToInt64(v_0.AuxInt)
 12800  		v.reset(OpARM64MOVDconst)
 12801  		v.AuxInt = int64ToAuxInt(int64(int32(c)))
 12802  		return true
 12803  	}
 12804  	// match: (MOVWreg x)
 12805  	// cond: v.Type.Size() <= 4
 12806  	// result: x
 12807  	for {
 12808  		x := v_0
 12809  		if !(v.Type.Size() <= 4) {
 12810  			break
 12811  		}
 12812  		v.copyOf(x)
 12813  		return true
 12814  	}
 12815  	// match: (MOVWreg <t> (ANDconst x [c]))
 12816  	// cond: uint64(c) & uint64(0xffffffff80000000) == 0
 12817  	// result: (ANDconst <t> x [c])
 12818  	for {
 12819  		t := v.Type
 12820  		if v_0.Op != OpARM64ANDconst {
 12821  			break
 12822  		}
 12823  		c := auxIntToInt64(v_0.AuxInt)
 12824  		x := v_0.Args[0]
 12825  		if !(uint64(c)&uint64(0xffffffff80000000) == 0) {
 12826  			break
 12827  		}
 12828  		v.reset(OpARM64ANDconst)
 12829  		v.Type = t
 12830  		v.AuxInt = int64ToAuxInt(c)
 12831  		v.AddArg(x)
 12832  		return true
 12833  	}
 12834  	// match: (MOVWreg (SLLconst [lc] x))
 12835  	// cond: lc < 32
 12836  	// result: (SBFIZ [armBFAuxInt(lc, 32-lc)] x)
 12837  	for {
 12838  		if v_0.Op != OpARM64SLLconst {
 12839  			break
 12840  		}
 12841  		lc := auxIntToInt64(v_0.AuxInt)
 12842  		x := v_0.Args[0]
 12843  		if !(lc < 32) {
 12844  			break
 12845  		}
 12846  		v.reset(OpARM64SBFIZ)
 12847  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 32-lc))
 12848  		v.AddArg(x)
 12849  		return true
 12850  	}
 12851  	// match: (MOVWreg (SBFX [bfc] x))
 12852  	// cond: bfc.width() <= 32
 12853  	// result: (SBFX [bfc] x)
 12854  	for {
 12855  		if v_0.Op != OpARM64SBFX {
 12856  			break
 12857  		}
 12858  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 12859  		x := v_0.Args[0]
 12860  		if !(bfc.width() <= 32) {
 12861  			break
 12862  		}
 12863  		v.reset(OpARM64SBFX)
 12864  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 12865  		v.AddArg(x)
 12866  		return true
 12867  	}
 12868  	return false
 12869  }
 12870  func rewriteValueARM64_OpARM64MOVWstore(v *Value) bool {
 12871  	v_2 := v.Args[2]
 12872  	v_1 := v.Args[1]
 12873  	v_0 := v.Args[0]
 12874  	b := v.Block
 12875  	config := b.Func.Config
 12876  	// match: (MOVWstore [off] {sym} ptr (FMOVSfpgp val) mem)
 12877  	// result: (FMOVSstore [off] {sym} ptr val mem)
 12878  	for {
 12879  		off := auxIntToInt32(v.AuxInt)
 12880  		sym := auxToSym(v.Aux)
 12881  		ptr := v_0
 12882  		if v_1.Op != OpARM64FMOVSfpgp {
 12883  			break
 12884  		}
 12885  		val := v_1.Args[0]
 12886  		mem := v_2
 12887  		v.reset(OpARM64FMOVSstore)
 12888  		v.AuxInt = int32ToAuxInt(off)
 12889  		v.Aux = symToAux(sym)
 12890  		v.AddArg3(ptr, val, mem)
 12891  		return true
 12892  	}
 12893  	// match: (MOVWstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 12894  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12895  	// result: (MOVWstore [off1+int32(off2)] {sym} ptr val mem)
 12896  	for {
 12897  		off1 := auxIntToInt32(v.AuxInt)
 12898  		sym := auxToSym(v.Aux)
 12899  		if v_0.Op != OpARM64ADDconst {
 12900  			break
 12901  		}
 12902  		off2 := auxIntToInt64(v_0.AuxInt)
 12903  		ptr := v_0.Args[0]
 12904  		val := v_1
 12905  		mem := v_2
 12906  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12907  			break
 12908  		}
 12909  		v.reset(OpARM64MOVWstore)
 12910  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 12911  		v.Aux = symToAux(sym)
 12912  		v.AddArg3(ptr, val, mem)
 12913  		return true
 12914  	}
 12915  	// match: (MOVWstore [off] {sym} (ADD ptr idx) val mem)
 12916  	// cond: off == 0 && sym == nil
 12917  	// result: (MOVWstoreidx ptr idx val mem)
 12918  	for {
 12919  		off := auxIntToInt32(v.AuxInt)
 12920  		sym := auxToSym(v.Aux)
 12921  		if v_0.Op != OpARM64ADD {
 12922  			break
 12923  		}
 12924  		idx := v_0.Args[1]
 12925  		ptr := v_0.Args[0]
 12926  		val := v_1
 12927  		mem := v_2
 12928  		if !(off == 0 && sym == nil) {
 12929  			break
 12930  		}
 12931  		v.reset(OpARM64MOVWstoreidx)
 12932  		v.AddArg4(ptr, idx, val, mem)
 12933  		return true
 12934  	}
 12935  	// match: (MOVWstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem)
 12936  	// cond: off == 0 && sym == nil
 12937  	// result: (MOVWstoreidx4 ptr idx val mem)
 12938  	for {
 12939  		off := auxIntToInt32(v.AuxInt)
 12940  		sym := auxToSym(v.Aux)
 12941  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 12942  			break
 12943  		}
 12944  		idx := v_0.Args[1]
 12945  		ptr := v_0.Args[0]
 12946  		val := v_1
 12947  		mem := v_2
 12948  		if !(off == 0 && sym == nil) {
 12949  			break
 12950  		}
 12951  		v.reset(OpARM64MOVWstoreidx4)
 12952  		v.AddArg4(ptr, idx, val, mem)
 12953  		return true
 12954  	}
 12955  	// match: (MOVWstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 12956  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12957  	// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 12958  	for {
 12959  		off1 := auxIntToInt32(v.AuxInt)
 12960  		sym1 := auxToSym(v.Aux)
 12961  		if v_0.Op != OpARM64MOVDaddr {
 12962  			break
 12963  		}
 12964  		off2 := auxIntToInt32(v_0.AuxInt)
 12965  		sym2 := auxToSym(v_0.Aux)
 12966  		ptr := v_0.Args[0]
 12967  		val := v_1
 12968  		mem := v_2
 12969  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12970  			break
 12971  		}
 12972  		v.reset(OpARM64MOVWstore)
 12973  		v.AuxInt = int32ToAuxInt(off1 + off2)
 12974  		v.Aux = symToAux(mergeSym(sym1, sym2))
 12975  		v.AddArg3(ptr, val, mem)
 12976  		return true
 12977  	}
 12978  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
 12979  	// result: (MOVWstore [off] {sym} ptr x mem)
 12980  	for {
 12981  		off := auxIntToInt32(v.AuxInt)
 12982  		sym := auxToSym(v.Aux)
 12983  		ptr := v_0
 12984  		if v_1.Op != OpARM64MOVWreg {
 12985  			break
 12986  		}
 12987  		x := v_1.Args[0]
 12988  		mem := v_2
 12989  		v.reset(OpARM64MOVWstore)
 12990  		v.AuxInt = int32ToAuxInt(off)
 12991  		v.Aux = symToAux(sym)
 12992  		v.AddArg3(ptr, x, mem)
 12993  		return true
 12994  	}
 12995  	// match: (MOVWstore [off] {sym} ptr (MOVWUreg x) mem)
 12996  	// result: (MOVWstore [off] {sym} ptr x mem)
 12997  	for {
 12998  		off := auxIntToInt32(v.AuxInt)
 12999  		sym := auxToSym(v.Aux)
 13000  		ptr := v_0
 13001  		if v_1.Op != OpARM64MOVWUreg {
 13002  			break
 13003  		}
 13004  		x := v_1.Args[0]
 13005  		mem := v_2
 13006  		v.reset(OpARM64MOVWstore)
 13007  		v.AuxInt = int32ToAuxInt(off)
 13008  		v.Aux = symToAux(sym)
 13009  		v.AddArg3(ptr, x, mem)
 13010  		return true
 13011  	}
 13012  	return false
 13013  }
 13014  func rewriteValueARM64_OpARM64MOVWstoreidx(v *Value) bool {
 13015  	v_3 := v.Args[3]
 13016  	v_2 := v.Args[2]
 13017  	v_1 := v.Args[1]
 13018  	v_0 := v.Args[0]
 13019  	// match: (MOVWstoreidx ptr (MOVDconst [c]) val mem)
 13020  	// cond: is32Bit(c)
 13021  	// result: (MOVWstore [int32(c)] ptr val mem)
 13022  	for {
 13023  		ptr := v_0
 13024  		if v_1.Op != OpARM64MOVDconst {
 13025  			break
 13026  		}
 13027  		c := auxIntToInt64(v_1.AuxInt)
 13028  		val := v_2
 13029  		mem := v_3
 13030  		if !(is32Bit(c)) {
 13031  			break
 13032  		}
 13033  		v.reset(OpARM64MOVWstore)
 13034  		v.AuxInt = int32ToAuxInt(int32(c))
 13035  		v.AddArg3(ptr, val, mem)
 13036  		return true
 13037  	}
 13038  	// match: (MOVWstoreidx (MOVDconst [c]) idx val mem)
 13039  	// cond: is32Bit(c)
 13040  	// result: (MOVWstore [int32(c)] idx val mem)
 13041  	for {
 13042  		if v_0.Op != OpARM64MOVDconst {
 13043  			break
 13044  		}
 13045  		c := auxIntToInt64(v_0.AuxInt)
 13046  		idx := v_1
 13047  		val := v_2
 13048  		mem := v_3
 13049  		if !(is32Bit(c)) {
 13050  			break
 13051  		}
 13052  		v.reset(OpARM64MOVWstore)
 13053  		v.AuxInt = int32ToAuxInt(int32(c))
 13054  		v.AddArg3(idx, val, mem)
 13055  		return true
 13056  	}
 13057  	// match: (MOVWstoreidx ptr (SLLconst [2] idx) val mem)
 13058  	// result: (MOVWstoreidx4 ptr idx val mem)
 13059  	for {
 13060  		ptr := v_0
 13061  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 13062  			break
 13063  		}
 13064  		idx := v_1.Args[0]
 13065  		val := v_2
 13066  		mem := v_3
 13067  		v.reset(OpARM64MOVWstoreidx4)
 13068  		v.AddArg4(ptr, idx, val, mem)
 13069  		return true
 13070  	}
 13071  	// match: (MOVWstoreidx (SLLconst [2] idx) ptr val mem)
 13072  	// result: (MOVWstoreidx4 ptr idx val mem)
 13073  	for {
 13074  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 13075  			break
 13076  		}
 13077  		idx := v_0.Args[0]
 13078  		ptr := v_1
 13079  		val := v_2
 13080  		mem := v_3
 13081  		v.reset(OpARM64MOVWstoreidx4)
 13082  		v.AddArg4(ptr, idx, val, mem)
 13083  		return true
 13084  	}
 13085  	// match: (MOVWstoreidx ptr idx (MOVWreg x) mem)
 13086  	// result: (MOVWstoreidx ptr idx x mem)
 13087  	for {
 13088  		ptr := v_0
 13089  		idx := v_1
 13090  		if v_2.Op != OpARM64MOVWreg {
 13091  			break
 13092  		}
 13093  		x := v_2.Args[0]
 13094  		mem := v_3
 13095  		v.reset(OpARM64MOVWstoreidx)
 13096  		v.AddArg4(ptr, idx, x, mem)
 13097  		return true
 13098  	}
 13099  	// match: (MOVWstoreidx ptr idx (MOVWUreg x) mem)
 13100  	// result: (MOVWstoreidx ptr idx x mem)
 13101  	for {
 13102  		ptr := v_0
 13103  		idx := v_1
 13104  		if v_2.Op != OpARM64MOVWUreg {
 13105  			break
 13106  		}
 13107  		x := v_2.Args[0]
 13108  		mem := v_3
 13109  		v.reset(OpARM64MOVWstoreidx)
 13110  		v.AddArg4(ptr, idx, x, mem)
 13111  		return true
 13112  	}
 13113  	return false
 13114  }
 13115  func rewriteValueARM64_OpARM64MOVWstoreidx4(v *Value) bool {
 13116  	v_3 := v.Args[3]
 13117  	v_2 := v.Args[2]
 13118  	v_1 := v.Args[1]
 13119  	v_0 := v.Args[0]
 13120  	// match: (MOVWstoreidx4 ptr (MOVDconst [c]) val mem)
 13121  	// cond: is32Bit(c<<2)
 13122  	// result: (MOVWstore [int32(c)<<2] ptr val mem)
 13123  	for {
 13124  		ptr := v_0
 13125  		if v_1.Op != OpARM64MOVDconst {
 13126  			break
 13127  		}
 13128  		c := auxIntToInt64(v_1.AuxInt)
 13129  		val := v_2
 13130  		mem := v_3
 13131  		if !(is32Bit(c << 2)) {
 13132  			break
 13133  		}
 13134  		v.reset(OpARM64MOVWstore)
 13135  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 13136  		v.AddArg3(ptr, val, mem)
 13137  		return true
 13138  	}
 13139  	// match: (MOVWstoreidx4 ptr idx (MOVWreg x) mem)
 13140  	// result: (MOVWstoreidx4 ptr idx x mem)
 13141  	for {
 13142  		ptr := v_0
 13143  		idx := v_1
 13144  		if v_2.Op != OpARM64MOVWreg {
 13145  			break
 13146  		}
 13147  		x := v_2.Args[0]
 13148  		mem := v_3
 13149  		v.reset(OpARM64MOVWstoreidx4)
 13150  		v.AddArg4(ptr, idx, x, mem)
 13151  		return true
 13152  	}
 13153  	// match: (MOVWstoreidx4 ptr idx (MOVWUreg x) mem)
 13154  	// result: (MOVWstoreidx4 ptr idx x mem)
 13155  	for {
 13156  		ptr := v_0
 13157  		idx := v_1
 13158  		if v_2.Op != OpARM64MOVWUreg {
 13159  			break
 13160  		}
 13161  		x := v_2.Args[0]
 13162  		mem := v_3
 13163  		v.reset(OpARM64MOVWstoreidx4)
 13164  		v.AddArg4(ptr, idx, x, mem)
 13165  		return true
 13166  	}
 13167  	return false
 13168  }
 13169  func rewriteValueARM64_OpARM64MSUB(v *Value) bool {
 13170  	v_2 := v.Args[2]
 13171  	v_1 := v.Args[1]
 13172  	v_0 := v.Args[0]
 13173  	b := v.Block
 13174  	// match: (MSUB a x (MOVDconst [-1]))
 13175  	// result: (ADD a x)
 13176  	for {
 13177  		a := v_0
 13178  		x := v_1
 13179  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != -1 {
 13180  			break
 13181  		}
 13182  		v.reset(OpARM64ADD)
 13183  		v.AddArg2(a, x)
 13184  		return true
 13185  	}
 13186  	// match: (MSUB a _ (MOVDconst [0]))
 13187  	// result: a
 13188  	for {
 13189  		a := v_0
 13190  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 13191  			break
 13192  		}
 13193  		v.copyOf(a)
 13194  		return true
 13195  	}
 13196  	// match: (MSUB a x (MOVDconst [1]))
 13197  	// result: (SUB a x)
 13198  	for {
 13199  		a := v_0
 13200  		x := v_1
 13201  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 1 {
 13202  			break
 13203  		}
 13204  		v.reset(OpARM64SUB)
 13205  		v.AddArg2(a, x)
 13206  		return true
 13207  	}
 13208  	// match: (MSUB a x (MOVDconst [c]))
 13209  	// cond: isPowerOfTwo(c)
 13210  	// result: (SUBshiftLL a x [log64(c)])
 13211  	for {
 13212  		a := v_0
 13213  		x := v_1
 13214  		if v_2.Op != OpARM64MOVDconst {
 13215  			break
 13216  		}
 13217  		c := auxIntToInt64(v_2.AuxInt)
 13218  		if !(isPowerOfTwo(c)) {
 13219  			break
 13220  		}
 13221  		v.reset(OpARM64SUBshiftLL)
 13222  		v.AuxInt = int64ToAuxInt(log64(c))
 13223  		v.AddArg2(a, x)
 13224  		return true
 13225  	}
 13226  	// match: (MSUB a x (MOVDconst [c]))
 13227  	// cond: isPowerOfTwo(c-1) && c>=3
 13228  	// result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)]))
 13229  	for {
 13230  		a := v_0
 13231  		x := v_1
 13232  		if v_2.Op != OpARM64MOVDconst {
 13233  			break
 13234  		}
 13235  		c := auxIntToInt64(v_2.AuxInt)
 13236  		if !(isPowerOfTwo(c-1) && c >= 3) {
 13237  			break
 13238  		}
 13239  		v.reset(OpARM64SUB)
 13240  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13241  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
 13242  		v0.AddArg2(x, x)
 13243  		v.AddArg2(a, v0)
 13244  		return true
 13245  	}
 13246  	// match: (MSUB a x (MOVDconst [c]))
 13247  	// cond: isPowerOfTwo(c+1) && c>=7
 13248  	// result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)]))
 13249  	for {
 13250  		a := v_0
 13251  		x := v_1
 13252  		if v_2.Op != OpARM64MOVDconst {
 13253  			break
 13254  		}
 13255  		c := auxIntToInt64(v_2.AuxInt)
 13256  		if !(isPowerOfTwo(c+1) && c >= 7) {
 13257  			break
 13258  		}
 13259  		v.reset(OpARM64ADD)
 13260  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13261  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
 13262  		v0.AddArg2(x, x)
 13263  		v.AddArg2(a, v0)
 13264  		return true
 13265  	}
 13266  	// match: (MSUB a x (MOVDconst [c]))
 13267  	// cond: c%3 == 0 && isPowerOfTwo(c/3)
 13268  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
 13269  	for {
 13270  		a := v_0
 13271  		x := v_1
 13272  		if v_2.Op != OpARM64MOVDconst {
 13273  			break
 13274  		}
 13275  		c := auxIntToInt64(v_2.AuxInt)
 13276  		if !(c%3 == 0 && isPowerOfTwo(c/3)) {
 13277  			break
 13278  		}
 13279  		v.reset(OpARM64ADDshiftLL)
 13280  		v.AuxInt = int64ToAuxInt(log64(c / 3))
 13281  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13282  		v0.AuxInt = int64ToAuxInt(2)
 13283  		v0.AddArg2(x, x)
 13284  		v.AddArg2(a, v0)
 13285  		return true
 13286  	}
 13287  	// match: (MSUB a x (MOVDconst [c]))
 13288  	// cond: c%5 == 0 && isPowerOfTwo(c/5)
 13289  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
 13290  	for {
 13291  		a := v_0
 13292  		x := v_1
 13293  		if v_2.Op != OpARM64MOVDconst {
 13294  			break
 13295  		}
 13296  		c := auxIntToInt64(v_2.AuxInt)
 13297  		if !(c%5 == 0 && isPowerOfTwo(c/5)) {
 13298  			break
 13299  		}
 13300  		v.reset(OpARM64SUBshiftLL)
 13301  		v.AuxInt = int64ToAuxInt(log64(c / 5))
 13302  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13303  		v0.AuxInt = int64ToAuxInt(2)
 13304  		v0.AddArg2(x, x)
 13305  		v.AddArg2(a, v0)
 13306  		return true
 13307  	}
 13308  	// match: (MSUB a x (MOVDconst [c]))
 13309  	// cond: c%7 == 0 && isPowerOfTwo(c/7)
 13310  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
 13311  	for {
 13312  		a := v_0
 13313  		x := v_1
 13314  		if v_2.Op != OpARM64MOVDconst {
 13315  			break
 13316  		}
 13317  		c := auxIntToInt64(v_2.AuxInt)
 13318  		if !(c%7 == 0 && isPowerOfTwo(c/7)) {
 13319  			break
 13320  		}
 13321  		v.reset(OpARM64ADDshiftLL)
 13322  		v.AuxInt = int64ToAuxInt(log64(c / 7))
 13323  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13324  		v0.AuxInt = int64ToAuxInt(3)
 13325  		v0.AddArg2(x, x)
 13326  		v.AddArg2(a, v0)
 13327  		return true
 13328  	}
 13329  	// match: (MSUB a x (MOVDconst [c]))
 13330  	// cond: c%9 == 0 && isPowerOfTwo(c/9)
 13331  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
 13332  	for {
 13333  		a := v_0
 13334  		x := v_1
 13335  		if v_2.Op != OpARM64MOVDconst {
 13336  			break
 13337  		}
 13338  		c := auxIntToInt64(v_2.AuxInt)
 13339  		if !(c%9 == 0 && isPowerOfTwo(c/9)) {
 13340  			break
 13341  		}
 13342  		v.reset(OpARM64SUBshiftLL)
 13343  		v.AuxInt = int64ToAuxInt(log64(c / 9))
 13344  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13345  		v0.AuxInt = int64ToAuxInt(3)
 13346  		v0.AddArg2(x, x)
 13347  		v.AddArg2(a, v0)
 13348  		return true
 13349  	}
 13350  	// match: (MSUB a (MOVDconst [-1]) x)
 13351  	// result: (ADD a x)
 13352  	for {
 13353  		a := v_0
 13354  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
 13355  			break
 13356  		}
 13357  		x := v_2
 13358  		v.reset(OpARM64ADD)
 13359  		v.AddArg2(a, x)
 13360  		return true
 13361  	}
 13362  	// match: (MSUB a (MOVDconst [0]) _)
 13363  	// result: a
 13364  	for {
 13365  		a := v_0
 13366  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 13367  			break
 13368  		}
 13369  		v.copyOf(a)
 13370  		return true
 13371  	}
 13372  	// match: (MSUB a (MOVDconst [1]) x)
 13373  	// result: (SUB a x)
 13374  	for {
 13375  		a := v_0
 13376  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 13377  			break
 13378  		}
 13379  		x := v_2
 13380  		v.reset(OpARM64SUB)
 13381  		v.AddArg2(a, x)
 13382  		return true
 13383  	}
 13384  	// match: (MSUB a (MOVDconst [c]) x)
 13385  	// cond: isPowerOfTwo(c)
 13386  	// result: (SUBshiftLL a x [log64(c)])
 13387  	for {
 13388  		a := v_0
 13389  		if v_1.Op != OpARM64MOVDconst {
 13390  			break
 13391  		}
 13392  		c := auxIntToInt64(v_1.AuxInt)
 13393  		x := v_2
 13394  		if !(isPowerOfTwo(c)) {
 13395  			break
 13396  		}
 13397  		v.reset(OpARM64SUBshiftLL)
 13398  		v.AuxInt = int64ToAuxInt(log64(c))
 13399  		v.AddArg2(a, x)
 13400  		return true
 13401  	}
 13402  	// match: (MSUB a (MOVDconst [c]) x)
 13403  	// cond: isPowerOfTwo(c-1) && c>=3
 13404  	// result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)]))
 13405  	for {
 13406  		a := v_0
 13407  		if v_1.Op != OpARM64MOVDconst {
 13408  			break
 13409  		}
 13410  		c := auxIntToInt64(v_1.AuxInt)
 13411  		x := v_2
 13412  		if !(isPowerOfTwo(c-1) && c >= 3) {
 13413  			break
 13414  		}
 13415  		v.reset(OpARM64SUB)
 13416  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13417  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
 13418  		v0.AddArg2(x, x)
 13419  		v.AddArg2(a, v0)
 13420  		return true
 13421  	}
 13422  	// match: (MSUB a (MOVDconst [c]) x)
 13423  	// cond: isPowerOfTwo(c+1) && c>=7
 13424  	// result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)]))
 13425  	for {
 13426  		a := v_0
 13427  		if v_1.Op != OpARM64MOVDconst {
 13428  			break
 13429  		}
 13430  		c := auxIntToInt64(v_1.AuxInt)
 13431  		x := v_2
 13432  		if !(isPowerOfTwo(c+1) && c >= 7) {
 13433  			break
 13434  		}
 13435  		v.reset(OpARM64ADD)
 13436  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13437  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
 13438  		v0.AddArg2(x, x)
 13439  		v.AddArg2(a, v0)
 13440  		return true
 13441  	}
 13442  	// match: (MSUB a (MOVDconst [c]) x)
 13443  	// cond: c%3 == 0 && isPowerOfTwo(c/3)
 13444  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
 13445  	for {
 13446  		a := v_0
 13447  		if v_1.Op != OpARM64MOVDconst {
 13448  			break
 13449  		}
 13450  		c := auxIntToInt64(v_1.AuxInt)
 13451  		x := v_2
 13452  		if !(c%3 == 0 && isPowerOfTwo(c/3)) {
 13453  			break
 13454  		}
 13455  		v.reset(OpARM64ADDshiftLL)
 13456  		v.AuxInt = int64ToAuxInt(log64(c / 3))
 13457  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13458  		v0.AuxInt = int64ToAuxInt(2)
 13459  		v0.AddArg2(x, x)
 13460  		v.AddArg2(a, v0)
 13461  		return true
 13462  	}
 13463  	// match: (MSUB a (MOVDconst [c]) x)
 13464  	// cond: c%5 == 0 && isPowerOfTwo(c/5)
 13465  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
 13466  	for {
 13467  		a := v_0
 13468  		if v_1.Op != OpARM64MOVDconst {
 13469  			break
 13470  		}
 13471  		c := auxIntToInt64(v_1.AuxInt)
 13472  		x := v_2
 13473  		if !(c%5 == 0 && isPowerOfTwo(c/5)) {
 13474  			break
 13475  		}
 13476  		v.reset(OpARM64SUBshiftLL)
 13477  		v.AuxInt = int64ToAuxInt(log64(c / 5))
 13478  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13479  		v0.AuxInt = int64ToAuxInt(2)
 13480  		v0.AddArg2(x, x)
 13481  		v.AddArg2(a, v0)
 13482  		return true
 13483  	}
 13484  	// match: (MSUB a (MOVDconst [c]) x)
 13485  	// cond: c%7 == 0 && isPowerOfTwo(c/7)
 13486  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
 13487  	for {
 13488  		a := v_0
 13489  		if v_1.Op != OpARM64MOVDconst {
 13490  			break
 13491  		}
 13492  		c := auxIntToInt64(v_1.AuxInt)
 13493  		x := v_2
 13494  		if !(c%7 == 0 && isPowerOfTwo(c/7)) {
 13495  			break
 13496  		}
 13497  		v.reset(OpARM64ADDshiftLL)
 13498  		v.AuxInt = int64ToAuxInt(log64(c / 7))
 13499  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13500  		v0.AuxInt = int64ToAuxInt(3)
 13501  		v0.AddArg2(x, x)
 13502  		v.AddArg2(a, v0)
 13503  		return true
 13504  	}
 13505  	// match: (MSUB a (MOVDconst [c]) x)
 13506  	// cond: c%9 == 0 && isPowerOfTwo(c/9)
 13507  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
 13508  	for {
 13509  		a := v_0
 13510  		if v_1.Op != OpARM64MOVDconst {
 13511  			break
 13512  		}
 13513  		c := auxIntToInt64(v_1.AuxInt)
 13514  		x := v_2
 13515  		if !(c%9 == 0 && isPowerOfTwo(c/9)) {
 13516  			break
 13517  		}
 13518  		v.reset(OpARM64SUBshiftLL)
 13519  		v.AuxInt = int64ToAuxInt(log64(c / 9))
 13520  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13521  		v0.AuxInt = int64ToAuxInt(3)
 13522  		v0.AddArg2(x, x)
 13523  		v.AddArg2(a, v0)
 13524  		return true
 13525  	}
 13526  	// match: (MSUB (MOVDconst [c]) x y)
 13527  	// result: (ADDconst [c] (MNEG <x.Type> x y))
 13528  	for {
 13529  		if v_0.Op != OpARM64MOVDconst {
 13530  			break
 13531  		}
 13532  		c := auxIntToInt64(v_0.AuxInt)
 13533  		x := v_1
 13534  		y := v_2
 13535  		v.reset(OpARM64ADDconst)
 13536  		v.AuxInt = int64ToAuxInt(c)
 13537  		v0 := b.NewValue0(v.Pos, OpARM64MNEG, x.Type)
 13538  		v0.AddArg2(x, y)
 13539  		v.AddArg(v0)
 13540  		return true
 13541  	}
 13542  	// match: (MSUB a (MOVDconst [c]) (MOVDconst [d]))
 13543  	// result: (SUBconst [c*d] a)
 13544  	for {
 13545  		a := v_0
 13546  		if v_1.Op != OpARM64MOVDconst {
 13547  			break
 13548  		}
 13549  		c := auxIntToInt64(v_1.AuxInt)
 13550  		if v_2.Op != OpARM64MOVDconst {
 13551  			break
 13552  		}
 13553  		d := auxIntToInt64(v_2.AuxInt)
 13554  		v.reset(OpARM64SUBconst)
 13555  		v.AuxInt = int64ToAuxInt(c * d)
 13556  		v.AddArg(a)
 13557  		return true
 13558  	}
 13559  	return false
 13560  }
 13561  func rewriteValueARM64_OpARM64MSUBW(v *Value) bool {
 13562  	v_2 := v.Args[2]
 13563  	v_1 := v.Args[1]
 13564  	v_0 := v.Args[0]
 13565  	b := v.Block
 13566  	// match: (MSUBW a x (MOVDconst [c]))
 13567  	// cond: int32(c)==-1
 13568  	// result: (MOVWUreg (ADD <a.Type> a x))
 13569  	for {
 13570  		a := v_0
 13571  		x := v_1
 13572  		if v_2.Op != OpARM64MOVDconst {
 13573  			break
 13574  		}
 13575  		c := auxIntToInt64(v_2.AuxInt)
 13576  		if !(int32(c) == -1) {
 13577  			break
 13578  		}
 13579  		v.reset(OpARM64MOVWUreg)
 13580  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13581  		v0.AddArg2(a, x)
 13582  		v.AddArg(v0)
 13583  		return true
 13584  	}
 13585  	// match: (MSUBW a _ (MOVDconst [c]))
 13586  	// cond: int32(c)==0
 13587  	// result: (MOVWUreg a)
 13588  	for {
 13589  		a := v_0
 13590  		if v_2.Op != OpARM64MOVDconst {
 13591  			break
 13592  		}
 13593  		c := auxIntToInt64(v_2.AuxInt)
 13594  		if !(int32(c) == 0) {
 13595  			break
 13596  		}
 13597  		v.reset(OpARM64MOVWUreg)
 13598  		v.AddArg(a)
 13599  		return true
 13600  	}
 13601  	// match: (MSUBW a x (MOVDconst [c]))
 13602  	// cond: int32(c)==1
 13603  	// result: (MOVWUreg (SUB <a.Type> a x))
 13604  	for {
 13605  		a := v_0
 13606  		x := v_1
 13607  		if v_2.Op != OpARM64MOVDconst {
 13608  			break
 13609  		}
 13610  		c := auxIntToInt64(v_2.AuxInt)
 13611  		if !(int32(c) == 1) {
 13612  			break
 13613  		}
 13614  		v.reset(OpARM64MOVWUreg)
 13615  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13616  		v0.AddArg2(a, x)
 13617  		v.AddArg(v0)
 13618  		return true
 13619  	}
 13620  	// match: (MSUBW a x (MOVDconst [c]))
 13621  	// cond: isPowerOfTwo(c)
 13622  	// result: (MOVWUreg (SUBshiftLL <a.Type> a x [log64(c)]))
 13623  	for {
 13624  		a := v_0
 13625  		x := v_1
 13626  		if v_2.Op != OpARM64MOVDconst {
 13627  			break
 13628  		}
 13629  		c := auxIntToInt64(v_2.AuxInt)
 13630  		if !(isPowerOfTwo(c)) {
 13631  			break
 13632  		}
 13633  		v.reset(OpARM64MOVWUreg)
 13634  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13635  		v0.AuxInt = int64ToAuxInt(log64(c))
 13636  		v0.AddArg2(a, x)
 13637  		v.AddArg(v0)
 13638  		return true
 13639  	}
 13640  	// match: (MSUBW a x (MOVDconst [c]))
 13641  	// cond: isPowerOfTwo(c-1) && int32(c)>=3
 13642  	// result: (MOVWUreg (SUB <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
 13643  	for {
 13644  		a := v_0
 13645  		x := v_1
 13646  		if v_2.Op != OpARM64MOVDconst {
 13647  			break
 13648  		}
 13649  		c := auxIntToInt64(v_2.AuxInt)
 13650  		if !(isPowerOfTwo(c-1) && int32(c) >= 3) {
 13651  			break
 13652  		}
 13653  		v.reset(OpARM64MOVWUreg)
 13654  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13655  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13656  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
 13657  		v1.AddArg2(x, x)
 13658  		v0.AddArg2(a, v1)
 13659  		v.AddArg(v0)
 13660  		return true
 13661  	}
 13662  	// match: (MSUBW a x (MOVDconst [c]))
 13663  	// cond: isPowerOfTwo(c+1) && int32(c)>=7
 13664  	// result: (MOVWUreg (ADD <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
 13665  	for {
 13666  		a := v_0
 13667  		x := v_1
 13668  		if v_2.Op != OpARM64MOVDconst {
 13669  			break
 13670  		}
 13671  		c := auxIntToInt64(v_2.AuxInt)
 13672  		if !(isPowerOfTwo(c+1) && int32(c) >= 7) {
 13673  			break
 13674  		}
 13675  		v.reset(OpARM64MOVWUreg)
 13676  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13677  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13678  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
 13679  		v1.AddArg2(x, x)
 13680  		v0.AddArg2(a, v1)
 13681  		v.AddArg(v0)
 13682  		return true
 13683  	}
 13684  	// match: (MSUBW a x (MOVDconst [c]))
 13685  	// cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)
 13686  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
 13687  	for {
 13688  		a := v_0
 13689  		x := v_1
 13690  		if v_2.Op != OpARM64MOVDconst {
 13691  			break
 13692  		}
 13693  		c := auxIntToInt64(v_2.AuxInt)
 13694  		if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) {
 13695  			break
 13696  		}
 13697  		v.reset(OpARM64MOVWUreg)
 13698  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13699  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
 13700  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13701  		v1.AuxInt = int64ToAuxInt(2)
 13702  		v1.AddArg2(x, x)
 13703  		v0.AddArg2(a, v1)
 13704  		v.AddArg(v0)
 13705  		return true
 13706  	}
 13707  	// match: (MSUBW a x (MOVDconst [c]))
 13708  	// cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)
 13709  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
 13710  	for {
 13711  		a := v_0
 13712  		x := v_1
 13713  		if v_2.Op != OpARM64MOVDconst {
 13714  			break
 13715  		}
 13716  		c := auxIntToInt64(v_2.AuxInt)
 13717  		if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) {
 13718  			break
 13719  		}
 13720  		v.reset(OpARM64MOVWUreg)
 13721  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13722  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
 13723  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13724  		v1.AuxInt = int64ToAuxInt(2)
 13725  		v1.AddArg2(x, x)
 13726  		v0.AddArg2(a, v1)
 13727  		v.AddArg(v0)
 13728  		return true
 13729  	}
 13730  	// match: (MSUBW a x (MOVDconst [c]))
 13731  	// cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)
 13732  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
 13733  	for {
 13734  		a := v_0
 13735  		x := v_1
 13736  		if v_2.Op != OpARM64MOVDconst {
 13737  			break
 13738  		}
 13739  		c := auxIntToInt64(v_2.AuxInt)
 13740  		if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) {
 13741  			break
 13742  		}
 13743  		v.reset(OpARM64MOVWUreg)
 13744  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13745  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
 13746  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13747  		v1.AuxInt = int64ToAuxInt(3)
 13748  		v1.AddArg2(x, x)
 13749  		v0.AddArg2(a, v1)
 13750  		v.AddArg(v0)
 13751  		return true
 13752  	}
 13753  	// match: (MSUBW a x (MOVDconst [c]))
 13754  	// cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)
 13755  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
 13756  	for {
 13757  		a := v_0
 13758  		x := v_1
 13759  		if v_2.Op != OpARM64MOVDconst {
 13760  			break
 13761  		}
 13762  		c := auxIntToInt64(v_2.AuxInt)
 13763  		if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) {
 13764  			break
 13765  		}
 13766  		v.reset(OpARM64MOVWUreg)
 13767  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13768  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
 13769  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13770  		v1.AuxInt = int64ToAuxInt(3)
 13771  		v1.AddArg2(x, x)
 13772  		v0.AddArg2(a, v1)
 13773  		v.AddArg(v0)
 13774  		return true
 13775  	}
 13776  	// match: (MSUBW a (MOVDconst [c]) x)
 13777  	// cond: int32(c)==-1
 13778  	// result: (MOVWUreg (ADD <a.Type> a x))
 13779  	for {
 13780  		a := v_0
 13781  		if v_1.Op != OpARM64MOVDconst {
 13782  			break
 13783  		}
 13784  		c := auxIntToInt64(v_1.AuxInt)
 13785  		x := v_2
 13786  		if !(int32(c) == -1) {
 13787  			break
 13788  		}
 13789  		v.reset(OpARM64MOVWUreg)
 13790  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13791  		v0.AddArg2(a, x)
 13792  		v.AddArg(v0)
 13793  		return true
 13794  	}
 13795  	// match: (MSUBW a (MOVDconst [c]) _)
 13796  	// cond: int32(c)==0
 13797  	// result: (MOVWUreg a)
 13798  	for {
 13799  		a := v_0
 13800  		if v_1.Op != OpARM64MOVDconst {
 13801  			break
 13802  		}
 13803  		c := auxIntToInt64(v_1.AuxInt)
 13804  		if !(int32(c) == 0) {
 13805  			break
 13806  		}
 13807  		v.reset(OpARM64MOVWUreg)
 13808  		v.AddArg(a)
 13809  		return true
 13810  	}
 13811  	// match: (MSUBW a (MOVDconst [c]) x)
 13812  	// cond: int32(c)==1
 13813  	// result: (MOVWUreg (SUB <a.Type> a x))
 13814  	for {
 13815  		a := v_0
 13816  		if v_1.Op != OpARM64MOVDconst {
 13817  			break
 13818  		}
 13819  		c := auxIntToInt64(v_1.AuxInt)
 13820  		x := v_2
 13821  		if !(int32(c) == 1) {
 13822  			break
 13823  		}
 13824  		v.reset(OpARM64MOVWUreg)
 13825  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13826  		v0.AddArg2(a, x)
 13827  		v.AddArg(v0)
 13828  		return true
 13829  	}
 13830  	// match: (MSUBW a (MOVDconst [c]) x)
 13831  	// cond: isPowerOfTwo(c)
 13832  	// result: (MOVWUreg (SUBshiftLL <a.Type> a x [log64(c)]))
 13833  	for {
 13834  		a := v_0
 13835  		if v_1.Op != OpARM64MOVDconst {
 13836  			break
 13837  		}
 13838  		c := auxIntToInt64(v_1.AuxInt)
 13839  		x := v_2
 13840  		if !(isPowerOfTwo(c)) {
 13841  			break
 13842  		}
 13843  		v.reset(OpARM64MOVWUreg)
 13844  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13845  		v0.AuxInt = int64ToAuxInt(log64(c))
 13846  		v0.AddArg2(a, x)
 13847  		v.AddArg(v0)
 13848  		return true
 13849  	}
 13850  	// match: (MSUBW a (MOVDconst [c]) x)
 13851  	// cond: isPowerOfTwo(c-1) && int32(c)>=3
 13852  	// result: (MOVWUreg (SUB <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
 13853  	for {
 13854  		a := v_0
 13855  		if v_1.Op != OpARM64MOVDconst {
 13856  			break
 13857  		}
 13858  		c := auxIntToInt64(v_1.AuxInt)
 13859  		x := v_2
 13860  		if !(isPowerOfTwo(c-1) && int32(c) >= 3) {
 13861  			break
 13862  		}
 13863  		v.reset(OpARM64MOVWUreg)
 13864  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13865  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13866  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
 13867  		v1.AddArg2(x, x)
 13868  		v0.AddArg2(a, v1)
 13869  		v.AddArg(v0)
 13870  		return true
 13871  	}
 13872  	// match: (MSUBW a (MOVDconst [c]) x)
 13873  	// cond: isPowerOfTwo(c+1) && int32(c)>=7
 13874  	// result: (MOVWUreg (ADD <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
 13875  	for {
 13876  		a := v_0
 13877  		if v_1.Op != OpARM64MOVDconst {
 13878  			break
 13879  		}
 13880  		c := auxIntToInt64(v_1.AuxInt)
 13881  		x := v_2
 13882  		if !(isPowerOfTwo(c+1) && int32(c) >= 7) {
 13883  			break
 13884  		}
 13885  		v.reset(OpARM64MOVWUreg)
 13886  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13887  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13888  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
 13889  		v1.AddArg2(x, x)
 13890  		v0.AddArg2(a, v1)
 13891  		v.AddArg(v0)
 13892  		return true
 13893  	}
 13894  	// match: (MSUBW a (MOVDconst [c]) x)
 13895  	// cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)
 13896  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
 13897  	for {
 13898  		a := v_0
 13899  		if v_1.Op != OpARM64MOVDconst {
 13900  			break
 13901  		}
 13902  		c := auxIntToInt64(v_1.AuxInt)
 13903  		x := v_2
 13904  		if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) {
 13905  			break
 13906  		}
 13907  		v.reset(OpARM64MOVWUreg)
 13908  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13909  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
 13910  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13911  		v1.AuxInt = int64ToAuxInt(2)
 13912  		v1.AddArg2(x, x)
 13913  		v0.AddArg2(a, v1)
 13914  		v.AddArg(v0)
 13915  		return true
 13916  	}
 13917  	// match: (MSUBW a (MOVDconst [c]) x)
 13918  	// cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)
 13919  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
 13920  	for {
 13921  		a := v_0
 13922  		if v_1.Op != OpARM64MOVDconst {
 13923  			break
 13924  		}
 13925  		c := auxIntToInt64(v_1.AuxInt)
 13926  		x := v_2
 13927  		if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) {
 13928  			break
 13929  		}
 13930  		v.reset(OpARM64MOVWUreg)
 13931  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13932  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
 13933  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13934  		v1.AuxInt = int64ToAuxInt(2)
 13935  		v1.AddArg2(x, x)
 13936  		v0.AddArg2(a, v1)
 13937  		v.AddArg(v0)
 13938  		return true
 13939  	}
 13940  	// match: (MSUBW a (MOVDconst [c]) x)
 13941  	// cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)
 13942  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
 13943  	for {
 13944  		a := v_0
 13945  		if v_1.Op != OpARM64MOVDconst {
 13946  			break
 13947  		}
 13948  		c := auxIntToInt64(v_1.AuxInt)
 13949  		x := v_2
 13950  		if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) {
 13951  			break
 13952  		}
 13953  		v.reset(OpARM64MOVWUreg)
 13954  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13955  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
 13956  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13957  		v1.AuxInt = int64ToAuxInt(3)
 13958  		v1.AddArg2(x, x)
 13959  		v0.AddArg2(a, v1)
 13960  		v.AddArg(v0)
 13961  		return true
 13962  	}
 13963  	// match: (MSUBW a (MOVDconst [c]) x)
 13964  	// cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)
 13965  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
 13966  	for {
 13967  		a := v_0
 13968  		if v_1.Op != OpARM64MOVDconst {
 13969  			break
 13970  		}
 13971  		c := auxIntToInt64(v_1.AuxInt)
 13972  		x := v_2
 13973  		if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) {
 13974  			break
 13975  		}
 13976  		v.reset(OpARM64MOVWUreg)
 13977  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13978  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
 13979  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13980  		v1.AuxInt = int64ToAuxInt(3)
 13981  		v1.AddArg2(x, x)
 13982  		v0.AddArg2(a, v1)
 13983  		v.AddArg(v0)
 13984  		return true
 13985  	}
 13986  	// match: (MSUBW (MOVDconst [c]) x y)
 13987  	// result: (MOVWUreg (ADDconst <x.Type> [c] (MNEGW <x.Type> x y)))
 13988  	for {
 13989  		if v_0.Op != OpARM64MOVDconst {
 13990  			break
 13991  		}
 13992  		c := auxIntToInt64(v_0.AuxInt)
 13993  		x := v_1
 13994  		y := v_2
 13995  		v.reset(OpARM64MOVWUreg)
 13996  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, x.Type)
 13997  		v0.AuxInt = int64ToAuxInt(c)
 13998  		v1 := b.NewValue0(v.Pos, OpARM64MNEGW, x.Type)
 13999  		v1.AddArg2(x, y)
 14000  		v0.AddArg(v1)
 14001  		v.AddArg(v0)
 14002  		return true
 14003  	}
 14004  	// match: (MSUBW a (MOVDconst [c]) (MOVDconst [d]))
 14005  	// result: (MOVWUreg (SUBconst <a.Type> [c*d] a))
 14006  	for {
 14007  		a := v_0
 14008  		if v_1.Op != OpARM64MOVDconst {
 14009  			break
 14010  		}
 14011  		c := auxIntToInt64(v_1.AuxInt)
 14012  		if v_2.Op != OpARM64MOVDconst {
 14013  			break
 14014  		}
 14015  		d := auxIntToInt64(v_2.AuxInt)
 14016  		v.reset(OpARM64MOVWUreg)
 14017  		v0 := b.NewValue0(v.Pos, OpARM64SUBconst, a.Type)
 14018  		v0.AuxInt = int64ToAuxInt(c * d)
 14019  		v0.AddArg(a)
 14020  		v.AddArg(v0)
 14021  		return true
 14022  	}
 14023  	return false
 14024  }
 14025  func rewriteValueARM64_OpARM64MUL(v *Value) bool {
 14026  	v_1 := v.Args[1]
 14027  	v_0 := v.Args[0]
 14028  	b := v.Block
 14029  	config := b.Func.Config
 14030  	// match: (MUL (NEG x) y)
 14031  	// result: (MNEG x y)
 14032  	for {
 14033  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14034  			if v_0.Op != OpARM64NEG {
 14035  				continue
 14036  			}
 14037  			x := v_0.Args[0]
 14038  			y := v_1
 14039  			v.reset(OpARM64MNEG)
 14040  			v.AddArg2(x, y)
 14041  			return true
 14042  		}
 14043  		break
 14044  	}
 14045  	// match: (MUL _ (MOVDconst [0]))
 14046  	// result: (MOVDconst [0])
 14047  	for {
 14048  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14049  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 14050  				continue
 14051  			}
 14052  			v.reset(OpARM64MOVDconst)
 14053  			v.AuxInt = int64ToAuxInt(0)
 14054  			return true
 14055  		}
 14056  		break
 14057  	}
 14058  	// match: (MUL x (MOVDconst [1]))
 14059  	// result: x
 14060  	for {
 14061  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14062  			x := v_0
 14063  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 14064  				continue
 14065  			}
 14066  			v.copyOf(x)
 14067  			return true
 14068  		}
 14069  		break
 14070  	}
 14071  	// match: (MUL x (MOVDconst [c]))
 14072  	// cond: canMulStrengthReduce(config, c)
 14073  	// result: {mulStrengthReduce(v, x, c)}
 14074  	for {
 14075  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14076  			x := v_0
 14077  			if v_1.Op != OpARM64MOVDconst {
 14078  				continue
 14079  			}
 14080  			c := auxIntToInt64(v_1.AuxInt)
 14081  			if !(canMulStrengthReduce(config, c)) {
 14082  				continue
 14083  			}
 14084  			v.copyOf(mulStrengthReduce(v, x, c))
 14085  			return true
 14086  		}
 14087  		break
 14088  	}
 14089  	// match: (MUL (MOVDconst [c]) (MOVDconst [d]))
 14090  	// result: (MOVDconst [c*d])
 14091  	for {
 14092  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14093  			if v_0.Op != OpARM64MOVDconst {
 14094  				continue
 14095  			}
 14096  			c := auxIntToInt64(v_0.AuxInt)
 14097  			if v_1.Op != OpARM64MOVDconst {
 14098  				continue
 14099  			}
 14100  			d := auxIntToInt64(v_1.AuxInt)
 14101  			v.reset(OpARM64MOVDconst)
 14102  			v.AuxInt = int64ToAuxInt(c * d)
 14103  			return true
 14104  		}
 14105  		break
 14106  	}
 14107  	// match: (MUL r:(MOVWUreg x) s:(MOVWUreg y))
 14108  	// cond: r.Uses == 1 && s.Uses == 1
 14109  	// result: (UMULL x y)
 14110  	for {
 14111  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14112  			r := v_0
 14113  			if r.Op != OpARM64MOVWUreg {
 14114  				continue
 14115  			}
 14116  			x := r.Args[0]
 14117  			s := v_1
 14118  			if s.Op != OpARM64MOVWUreg {
 14119  				continue
 14120  			}
 14121  			y := s.Args[0]
 14122  			if !(r.Uses == 1 && s.Uses == 1) {
 14123  				continue
 14124  			}
 14125  			v.reset(OpARM64UMULL)
 14126  			v.AddArg2(x, y)
 14127  			return true
 14128  		}
 14129  		break
 14130  	}
 14131  	// match: (MUL r:(MOVWreg x) s:(MOVWreg y))
 14132  	// cond: r.Uses == 1 && s.Uses == 1
 14133  	// result: (MULL x y)
 14134  	for {
 14135  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14136  			r := v_0
 14137  			if r.Op != OpARM64MOVWreg {
 14138  				continue
 14139  			}
 14140  			x := r.Args[0]
 14141  			s := v_1
 14142  			if s.Op != OpARM64MOVWreg {
 14143  				continue
 14144  			}
 14145  			y := s.Args[0]
 14146  			if !(r.Uses == 1 && s.Uses == 1) {
 14147  				continue
 14148  			}
 14149  			v.reset(OpARM64MULL)
 14150  			v.AddArg2(x, y)
 14151  			return true
 14152  		}
 14153  		break
 14154  	}
 14155  	return false
 14156  }
 14157  func rewriteValueARM64_OpARM64MULW(v *Value) bool {
 14158  	v_1 := v.Args[1]
 14159  	v_0 := v.Args[0]
 14160  	b := v.Block
 14161  	config := b.Func.Config
 14162  	// match: (MULW (NEG x) y)
 14163  	// result: (MNEGW x y)
 14164  	for {
 14165  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14166  			if v_0.Op != OpARM64NEG {
 14167  				continue
 14168  			}
 14169  			x := v_0.Args[0]
 14170  			y := v_1
 14171  			v.reset(OpARM64MNEGW)
 14172  			v.AddArg2(x, y)
 14173  			return true
 14174  		}
 14175  		break
 14176  	}
 14177  	// match: (MULW _ (MOVDconst [c]))
 14178  	// cond: int32(c)==0
 14179  	// result: (MOVDconst [0])
 14180  	for {
 14181  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14182  			if v_1.Op != OpARM64MOVDconst {
 14183  				continue
 14184  			}
 14185  			c := auxIntToInt64(v_1.AuxInt)
 14186  			if !(int32(c) == 0) {
 14187  				continue
 14188  			}
 14189  			v.reset(OpARM64MOVDconst)
 14190  			v.AuxInt = int64ToAuxInt(0)
 14191  			return true
 14192  		}
 14193  		break
 14194  	}
 14195  	// match: (MULW x (MOVDconst [c]))
 14196  	// cond: int32(c)==1
 14197  	// result: (MOVWUreg x)
 14198  	for {
 14199  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14200  			x := v_0
 14201  			if v_1.Op != OpARM64MOVDconst {
 14202  				continue
 14203  			}
 14204  			c := auxIntToInt64(v_1.AuxInt)
 14205  			if !(int32(c) == 1) {
 14206  				continue
 14207  			}
 14208  			v.reset(OpARM64MOVWUreg)
 14209  			v.AddArg(x)
 14210  			return true
 14211  		}
 14212  		break
 14213  	}
 14214  	// match: (MULW x (MOVDconst [c]))
 14215  	// cond: v.Type.Size() <= 4 && canMulStrengthReduce32(config, int32(c))
 14216  	// result: {mulStrengthReduce32(v, x, int32(c))}
 14217  	for {
 14218  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14219  			x := v_0
 14220  			if v_1.Op != OpARM64MOVDconst {
 14221  				continue
 14222  			}
 14223  			c := auxIntToInt64(v_1.AuxInt)
 14224  			if !(v.Type.Size() <= 4 && canMulStrengthReduce32(config, int32(c))) {
 14225  				continue
 14226  			}
 14227  			v.copyOf(mulStrengthReduce32(v, x, int32(c)))
 14228  			return true
 14229  		}
 14230  		break
 14231  	}
 14232  	// match: (MULW (MOVDconst [c]) (MOVDconst [d]))
 14233  	// result: (MOVDconst [int64(uint32(c*d))])
 14234  	for {
 14235  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14236  			if v_0.Op != OpARM64MOVDconst {
 14237  				continue
 14238  			}
 14239  			c := auxIntToInt64(v_0.AuxInt)
 14240  			if v_1.Op != OpARM64MOVDconst {
 14241  				continue
 14242  			}
 14243  			d := auxIntToInt64(v_1.AuxInt)
 14244  			v.reset(OpARM64MOVDconst)
 14245  			v.AuxInt = int64ToAuxInt(int64(uint32(c * d)))
 14246  			return true
 14247  		}
 14248  		break
 14249  	}
 14250  	return false
 14251  }
 14252  func rewriteValueARM64_OpARM64MVN(v *Value) bool {
 14253  	v_0 := v.Args[0]
 14254  	// match: (MVN (XOR x y))
 14255  	// result: (EON x y)
 14256  	for {
 14257  		if v_0.Op != OpARM64XOR {
 14258  			break
 14259  		}
 14260  		y := v_0.Args[1]
 14261  		x := v_0.Args[0]
 14262  		v.reset(OpARM64EON)
 14263  		v.AddArg2(x, y)
 14264  		return true
 14265  	}
 14266  	// match: (MVN (MOVDconst [c]))
 14267  	// result: (MOVDconst [^c])
 14268  	for {
 14269  		if v_0.Op != OpARM64MOVDconst {
 14270  			break
 14271  		}
 14272  		c := auxIntToInt64(v_0.AuxInt)
 14273  		v.reset(OpARM64MOVDconst)
 14274  		v.AuxInt = int64ToAuxInt(^c)
 14275  		return true
 14276  	}
 14277  	// match: (MVN x:(SLLconst [c] y))
 14278  	// cond: clobberIfDead(x)
 14279  	// result: (MVNshiftLL [c] y)
 14280  	for {
 14281  		x := v_0
 14282  		if x.Op != OpARM64SLLconst {
 14283  			break
 14284  		}
 14285  		c := auxIntToInt64(x.AuxInt)
 14286  		y := x.Args[0]
 14287  		if !(clobberIfDead(x)) {
 14288  			break
 14289  		}
 14290  		v.reset(OpARM64MVNshiftLL)
 14291  		v.AuxInt = int64ToAuxInt(c)
 14292  		v.AddArg(y)
 14293  		return true
 14294  	}
 14295  	// match: (MVN x:(SRLconst [c] y))
 14296  	// cond: clobberIfDead(x)
 14297  	// result: (MVNshiftRL [c] y)
 14298  	for {
 14299  		x := v_0
 14300  		if x.Op != OpARM64SRLconst {
 14301  			break
 14302  		}
 14303  		c := auxIntToInt64(x.AuxInt)
 14304  		y := x.Args[0]
 14305  		if !(clobberIfDead(x)) {
 14306  			break
 14307  		}
 14308  		v.reset(OpARM64MVNshiftRL)
 14309  		v.AuxInt = int64ToAuxInt(c)
 14310  		v.AddArg(y)
 14311  		return true
 14312  	}
 14313  	// match: (MVN x:(SRAconst [c] y))
 14314  	// cond: clobberIfDead(x)
 14315  	// result: (MVNshiftRA [c] y)
 14316  	for {
 14317  		x := v_0
 14318  		if x.Op != OpARM64SRAconst {
 14319  			break
 14320  		}
 14321  		c := auxIntToInt64(x.AuxInt)
 14322  		y := x.Args[0]
 14323  		if !(clobberIfDead(x)) {
 14324  			break
 14325  		}
 14326  		v.reset(OpARM64MVNshiftRA)
 14327  		v.AuxInt = int64ToAuxInt(c)
 14328  		v.AddArg(y)
 14329  		return true
 14330  	}
 14331  	// match: (MVN x:(RORconst [c] y))
 14332  	// cond: clobberIfDead(x)
 14333  	// result: (MVNshiftRO [c] y)
 14334  	for {
 14335  		x := v_0
 14336  		if x.Op != OpARM64RORconst {
 14337  			break
 14338  		}
 14339  		c := auxIntToInt64(x.AuxInt)
 14340  		y := x.Args[0]
 14341  		if !(clobberIfDead(x)) {
 14342  			break
 14343  		}
 14344  		v.reset(OpARM64MVNshiftRO)
 14345  		v.AuxInt = int64ToAuxInt(c)
 14346  		v.AddArg(y)
 14347  		return true
 14348  	}
 14349  	return false
 14350  }
 14351  func rewriteValueARM64_OpARM64MVNshiftLL(v *Value) bool {
 14352  	v_0 := v.Args[0]
 14353  	// match: (MVNshiftLL (MOVDconst [c]) [d])
 14354  	// result: (MOVDconst [^int64(uint64(c)<<uint64(d))])
 14355  	for {
 14356  		d := auxIntToInt64(v.AuxInt)
 14357  		if v_0.Op != OpARM64MOVDconst {
 14358  			break
 14359  		}
 14360  		c := auxIntToInt64(v_0.AuxInt)
 14361  		v.reset(OpARM64MOVDconst)
 14362  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
 14363  		return true
 14364  	}
 14365  	return false
 14366  }
 14367  func rewriteValueARM64_OpARM64MVNshiftRA(v *Value) bool {
 14368  	v_0 := v.Args[0]
 14369  	// match: (MVNshiftRA (MOVDconst [c]) [d])
 14370  	// result: (MOVDconst [^(c>>uint64(d))])
 14371  	for {
 14372  		d := auxIntToInt64(v.AuxInt)
 14373  		if v_0.Op != OpARM64MOVDconst {
 14374  			break
 14375  		}
 14376  		c := auxIntToInt64(v_0.AuxInt)
 14377  		v.reset(OpARM64MOVDconst)
 14378  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
 14379  		return true
 14380  	}
 14381  	return false
 14382  }
 14383  func rewriteValueARM64_OpARM64MVNshiftRL(v *Value) bool {
 14384  	v_0 := v.Args[0]
 14385  	// match: (MVNshiftRL (MOVDconst [c]) [d])
 14386  	// result: (MOVDconst [^int64(uint64(c)>>uint64(d))])
 14387  	for {
 14388  		d := auxIntToInt64(v.AuxInt)
 14389  		if v_0.Op != OpARM64MOVDconst {
 14390  			break
 14391  		}
 14392  		c := auxIntToInt64(v_0.AuxInt)
 14393  		v.reset(OpARM64MOVDconst)
 14394  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
 14395  		return true
 14396  	}
 14397  	return false
 14398  }
 14399  func rewriteValueARM64_OpARM64MVNshiftRO(v *Value) bool {
 14400  	v_0 := v.Args[0]
 14401  	// match: (MVNshiftRO (MOVDconst [c]) [d])
 14402  	// result: (MOVDconst [^rotateRight64(c, d)])
 14403  	for {
 14404  		d := auxIntToInt64(v.AuxInt)
 14405  		if v_0.Op != OpARM64MOVDconst {
 14406  			break
 14407  		}
 14408  		c := auxIntToInt64(v_0.AuxInt)
 14409  		v.reset(OpARM64MOVDconst)
 14410  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
 14411  		return true
 14412  	}
 14413  	return false
 14414  }
 14415  func rewriteValueARM64_OpARM64NEG(v *Value) bool {
 14416  	v_0 := v.Args[0]
 14417  	// match: (NEG (MUL x y))
 14418  	// result: (MNEG x y)
 14419  	for {
 14420  		if v_0.Op != OpARM64MUL {
 14421  			break
 14422  		}
 14423  		y := v_0.Args[1]
 14424  		x := v_0.Args[0]
 14425  		v.reset(OpARM64MNEG)
 14426  		v.AddArg2(x, y)
 14427  		return true
 14428  	}
 14429  	// match: (NEG (MULW x y))
 14430  	// cond: v.Type.Size() <= 4
 14431  	// result: (MNEGW x y)
 14432  	for {
 14433  		if v_0.Op != OpARM64MULW {
 14434  			break
 14435  		}
 14436  		y := v_0.Args[1]
 14437  		x := v_0.Args[0]
 14438  		if !(v.Type.Size() <= 4) {
 14439  			break
 14440  		}
 14441  		v.reset(OpARM64MNEGW)
 14442  		v.AddArg2(x, y)
 14443  		return true
 14444  	}
 14445  	// match: (NEG (SUB x y))
 14446  	// result: (SUB y x)
 14447  	for {
 14448  		if v_0.Op != OpARM64SUB {
 14449  			break
 14450  		}
 14451  		y := v_0.Args[1]
 14452  		x := v_0.Args[0]
 14453  		v.reset(OpARM64SUB)
 14454  		v.AddArg2(y, x)
 14455  		return true
 14456  	}
 14457  	// match: (NEG (NEG x))
 14458  	// result: x
 14459  	for {
 14460  		if v_0.Op != OpARM64NEG {
 14461  			break
 14462  		}
 14463  		x := v_0.Args[0]
 14464  		v.copyOf(x)
 14465  		return true
 14466  	}
 14467  	// match: (NEG (MOVDconst [c]))
 14468  	// result: (MOVDconst [-c])
 14469  	for {
 14470  		if v_0.Op != OpARM64MOVDconst {
 14471  			break
 14472  		}
 14473  		c := auxIntToInt64(v_0.AuxInt)
 14474  		v.reset(OpARM64MOVDconst)
 14475  		v.AuxInt = int64ToAuxInt(-c)
 14476  		return true
 14477  	}
 14478  	// match: (NEG x:(SLLconst [c] y))
 14479  	// cond: clobberIfDead(x)
 14480  	// result: (NEGshiftLL [c] y)
 14481  	for {
 14482  		x := v_0
 14483  		if x.Op != OpARM64SLLconst {
 14484  			break
 14485  		}
 14486  		c := auxIntToInt64(x.AuxInt)
 14487  		y := x.Args[0]
 14488  		if !(clobberIfDead(x)) {
 14489  			break
 14490  		}
 14491  		v.reset(OpARM64NEGshiftLL)
 14492  		v.AuxInt = int64ToAuxInt(c)
 14493  		v.AddArg(y)
 14494  		return true
 14495  	}
 14496  	// match: (NEG x:(SRLconst [c] y))
 14497  	// cond: clobberIfDead(x)
 14498  	// result: (NEGshiftRL [c] y)
 14499  	for {
 14500  		x := v_0
 14501  		if x.Op != OpARM64SRLconst {
 14502  			break
 14503  		}
 14504  		c := auxIntToInt64(x.AuxInt)
 14505  		y := x.Args[0]
 14506  		if !(clobberIfDead(x)) {
 14507  			break
 14508  		}
 14509  		v.reset(OpARM64NEGshiftRL)
 14510  		v.AuxInt = int64ToAuxInt(c)
 14511  		v.AddArg(y)
 14512  		return true
 14513  	}
 14514  	// match: (NEG x:(SRAconst [c] y))
 14515  	// cond: clobberIfDead(x)
 14516  	// result: (NEGshiftRA [c] y)
 14517  	for {
 14518  		x := v_0
 14519  		if x.Op != OpARM64SRAconst {
 14520  			break
 14521  		}
 14522  		c := auxIntToInt64(x.AuxInt)
 14523  		y := x.Args[0]
 14524  		if !(clobberIfDead(x)) {
 14525  			break
 14526  		}
 14527  		v.reset(OpARM64NEGshiftRA)
 14528  		v.AuxInt = int64ToAuxInt(c)
 14529  		v.AddArg(y)
 14530  		return true
 14531  	}
 14532  	return false
 14533  }
 14534  func rewriteValueARM64_OpARM64NEGshiftLL(v *Value) bool {
 14535  	v_0 := v.Args[0]
 14536  	// match: (NEGshiftLL (MOVDconst [c]) [d])
 14537  	// result: (MOVDconst [-int64(uint64(c)<<uint64(d))])
 14538  	for {
 14539  		d := auxIntToInt64(v.AuxInt)
 14540  		if v_0.Op != OpARM64MOVDconst {
 14541  			break
 14542  		}
 14543  		c := auxIntToInt64(v_0.AuxInt)
 14544  		v.reset(OpARM64MOVDconst)
 14545  		v.AuxInt = int64ToAuxInt(-int64(uint64(c) << uint64(d)))
 14546  		return true
 14547  	}
 14548  	return false
 14549  }
 14550  func rewriteValueARM64_OpARM64NEGshiftRA(v *Value) bool {
 14551  	v_0 := v.Args[0]
 14552  	// match: (NEGshiftRA (MOVDconst [c]) [d])
 14553  	// result: (MOVDconst [-(c>>uint64(d))])
 14554  	for {
 14555  		d := auxIntToInt64(v.AuxInt)
 14556  		if v_0.Op != OpARM64MOVDconst {
 14557  			break
 14558  		}
 14559  		c := auxIntToInt64(v_0.AuxInt)
 14560  		v.reset(OpARM64MOVDconst)
 14561  		v.AuxInt = int64ToAuxInt(-(c >> uint64(d)))
 14562  		return true
 14563  	}
 14564  	return false
 14565  }
 14566  func rewriteValueARM64_OpARM64NEGshiftRL(v *Value) bool {
 14567  	v_0 := v.Args[0]
 14568  	// match: (NEGshiftRL (MOVDconst [c]) [d])
 14569  	// result: (MOVDconst [-int64(uint64(c)>>uint64(d))])
 14570  	for {
 14571  		d := auxIntToInt64(v.AuxInt)
 14572  		if v_0.Op != OpARM64MOVDconst {
 14573  			break
 14574  		}
 14575  		c := auxIntToInt64(v_0.AuxInt)
 14576  		v.reset(OpARM64MOVDconst)
 14577  		v.AuxInt = int64ToAuxInt(-int64(uint64(c) >> uint64(d)))
 14578  		return true
 14579  	}
 14580  	return false
 14581  }
 14582  func rewriteValueARM64_OpARM64NotEqual(v *Value) bool {
 14583  	v_0 := v.Args[0]
 14584  	b := v.Block
 14585  	// match: (NotEqual (CMPconst [0] z:(AND x y)))
 14586  	// cond: z.Uses == 1
 14587  	// result: (NotEqual (TST x y))
 14588  	for {
 14589  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14590  			break
 14591  		}
 14592  		z := v_0.Args[0]
 14593  		if z.Op != OpARM64AND {
 14594  			break
 14595  		}
 14596  		y := z.Args[1]
 14597  		x := z.Args[0]
 14598  		if !(z.Uses == 1) {
 14599  			break
 14600  		}
 14601  		v.reset(OpARM64NotEqual)
 14602  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
 14603  		v0.AddArg2(x, y)
 14604  		v.AddArg(v0)
 14605  		return true
 14606  	}
 14607  	// match: (NotEqual (CMPWconst [0] x:(ANDconst [c] y)))
 14608  	// cond: x.Uses == 1
 14609  	// result: (NotEqual (TSTWconst [int32(c)] y))
 14610  	for {
 14611  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14612  			break
 14613  		}
 14614  		x := v_0.Args[0]
 14615  		if x.Op != OpARM64ANDconst {
 14616  			break
 14617  		}
 14618  		c := auxIntToInt64(x.AuxInt)
 14619  		y := x.Args[0]
 14620  		if !(x.Uses == 1) {
 14621  			break
 14622  		}
 14623  		v.reset(OpARM64NotEqual)
 14624  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
 14625  		v0.AuxInt = int32ToAuxInt(int32(c))
 14626  		v0.AddArg(y)
 14627  		v.AddArg(v0)
 14628  		return true
 14629  	}
 14630  	// match: (NotEqual (CMPWconst [0] z:(AND x y)))
 14631  	// cond: z.Uses == 1
 14632  	// result: (NotEqual (TSTW x y))
 14633  	for {
 14634  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14635  			break
 14636  		}
 14637  		z := v_0.Args[0]
 14638  		if z.Op != OpARM64AND {
 14639  			break
 14640  		}
 14641  		y := z.Args[1]
 14642  		x := z.Args[0]
 14643  		if !(z.Uses == 1) {
 14644  			break
 14645  		}
 14646  		v.reset(OpARM64NotEqual)
 14647  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
 14648  		v0.AddArg2(x, y)
 14649  		v.AddArg(v0)
 14650  		return true
 14651  	}
 14652  	// match: (NotEqual (CMPconst [0] x:(ANDconst [c] y)))
 14653  	// cond: x.Uses == 1
 14654  	// result: (NotEqual (TSTconst [c] y))
 14655  	for {
 14656  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14657  			break
 14658  		}
 14659  		x := v_0.Args[0]
 14660  		if x.Op != OpARM64ANDconst {
 14661  			break
 14662  		}
 14663  		c := auxIntToInt64(x.AuxInt)
 14664  		y := x.Args[0]
 14665  		if !(x.Uses == 1) {
 14666  			break
 14667  		}
 14668  		v.reset(OpARM64NotEqual)
 14669  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
 14670  		v0.AuxInt = int64ToAuxInt(c)
 14671  		v0.AddArg(y)
 14672  		v.AddArg(v0)
 14673  		return true
 14674  	}
 14675  	// match: (NotEqual (CMP x z:(NEG y)))
 14676  	// cond: z.Uses == 1
 14677  	// result: (NotEqual (CMN x y))
 14678  	for {
 14679  		if v_0.Op != OpARM64CMP {
 14680  			break
 14681  		}
 14682  		_ = v_0.Args[1]
 14683  		x := v_0.Args[0]
 14684  		z := v_0.Args[1]
 14685  		if z.Op != OpARM64NEG {
 14686  			break
 14687  		}
 14688  		y := z.Args[0]
 14689  		if !(z.Uses == 1) {
 14690  			break
 14691  		}
 14692  		v.reset(OpARM64NotEqual)
 14693  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 14694  		v0.AddArg2(x, y)
 14695  		v.AddArg(v0)
 14696  		return true
 14697  	}
 14698  	// match: (NotEqual (CMPW x z:(NEG y)))
 14699  	// cond: z.Uses == 1
 14700  	// result: (NotEqual (CMNW x y))
 14701  	for {
 14702  		if v_0.Op != OpARM64CMPW {
 14703  			break
 14704  		}
 14705  		_ = v_0.Args[1]
 14706  		x := v_0.Args[0]
 14707  		z := v_0.Args[1]
 14708  		if z.Op != OpARM64NEG {
 14709  			break
 14710  		}
 14711  		y := z.Args[0]
 14712  		if !(z.Uses == 1) {
 14713  			break
 14714  		}
 14715  		v.reset(OpARM64NotEqual)
 14716  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 14717  		v0.AddArg2(x, y)
 14718  		v.AddArg(v0)
 14719  		return true
 14720  	}
 14721  	// match: (NotEqual (CMPconst [0] x:(ADDconst [c] y)))
 14722  	// cond: x.Uses == 1
 14723  	// result: (NotEqual (CMNconst [c] y))
 14724  	for {
 14725  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14726  			break
 14727  		}
 14728  		x := v_0.Args[0]
 14729  		if x.Op != OpARM64ADDconst {
 14730  			break
 14731  		}
 14732  		c := auxIntToInt64(x.AuxInt)
 14733  		y := x.Args[0]
 14734  		if !(x.Uses == 1) {
 14735  			break
 14736  		}
 14737  		v.reset(OpARM64NotEqual)
 14738  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
 14739  		v0.AuxInt = int64ToAuxInt(c)
 14740  		v0.AddArg(y)
 14741  		v.AddArg(v0)
 14742  		return true
 14743  	}
 14744  	// match: (NotEqual (CMPWconst [0] x:(ADDconst [c] y)))
 14745  	// cond: x.Uses == 1
 14746  	// result: (NotEqual (CMNWconst [int32(c)] y))
 14747  	for {
 14748  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14749  			break
 14750  		}
 14751  		x := v_0.Args[0]
 14752  		if x.Op != OpARM64ADDconst {
 14753  			break
 14754  		}
 14755  		c := auxIntToInt64(x.AuxInt)
 14756  		y := x.Args[0]
 14757  		if !(x.Uses == 1) {
 14758  			break
 14759  		}
 14760  		v.reset(OpARM64NotEqual)
 14761  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
 14762  		v0.AuxInt = int32ToAuxInt(int32(c))
 14763  		v0.AddArg(y)
 14764  		v.AddArg(v0)
 14765  		return true
 14766  	}
 14767  	// match: (NotEqual (CMPconst [0] z:(ADD x y)))
 14768  	// cond: z.Uses == 1
 14769  	// result: (NotEqual (CMN x y))
 14770  	for {
 14771  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14772  			break
 14773  		}
 14774  		z := v_0.Args[0]
 14775  		if z.Op != OpARM64ADD {
 14776  			break
 14777  		}
 14778  		y := z.Args[1]
 14779  		x := z.Args[0]
 14780  		if !(z.Uses == 1) {
 14781  			break
 14782  		}
 14783  		v.reset(OpARM64NotEqual)
 14784  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 14785  		v0.AddArg2(x, y)
 14786  		v.AddArg(v0)
 14787  		return true
 14788  	}
 14789  	// match: (NotEqual (CMPWconst [0] z:(ADD x y)))
 14790  	// cond: z.Uses == 1
 14791  	// result: (NotEqual (CMNW x y))
 14792  	for {
 14793  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14794  			break
 14795  		}
 14796  		z := v_0.Args[0]
 14797  		if z.Op != OpARM64ADD {
 14798  			break
 14799  		}
 14800  		y := z.Args[1]
 14801  		x := z.Args[0]
 14802  		if !(z.Uses == 1) {
 14803  			break
 14804  		}
 14805  		v.reset(OpARM64NotEqual)
 14806  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 14807  		v0.AddArg2(x, y)
 14808  		v.AddArg(v0)
 14809  		return true
 14810  	}
 14811  	// match: (NotEqual (CMPconst [0] z:(MADD a x y)))
 14812  	// cond: z.Uses == 1
 14813  	// result: (NotEqual (CMN a (MUL <x.Type> x y)))
 14814  	for {
 14815  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14816  			break
 14817  		}
 14818  		z := v_0.Args[0]
 14819  		if z.Op != OpARM64MADD {
 14820  			break
 14821  		}
 14822  		y := z.Args[2]
 14823  		a := z.Args[0]
 14824  		x := z.Args[1]
 14825  		if !(z.Uses == 1) {
 14826  			break
 14827  		}
 14828  		v.reset(OpARM64NotEqual)
 14829  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 14830  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
 14831  		v1.AddArg2(x, y)
 14832  		v0.AddArg2(a, v1)
 14833  		v.AddArg(v0)
 14834  		return true
 14835  	}
 14836  	// match: (NotEqual (CMPWconst [0] z:(MADDW a x y)))
 14837  	// cond: z.Uses == 1
 14838  	// result: (NotEqual (CMNW a (MULW <x.Type> x y)))
 14839  	for {
 14840  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14841  			break
 14842  		}
 14843  		z := v_0.Args[0]
 14844  		if z.Op != OpARM64MADDW {
 14845  			break
 14846  		}
 14847  		y := z.Args[2]
 14848  		a := z.Args[0]
 14849  		x := z.Args[1]
 14850  		if !(z.Uses == 1) {
 14851  			break
 14852  		}
 14853  		v.reset(OpARM64NotEqual)
 14854  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 14855  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
 14856  		v1.AddArg2(x, y)
 14857  		v0.AddArg2(a, v1)
 14858  		v.AddArg(v0)
 14859  		return true
 14860  	}
 14861  	// match: (NotEqual (CMPconst [0] z:(MSUB a x y)))
 14862  	// cond: z.Uses == 1
 14863  	// result: (NotEqual (CMP a (MUL <x.Type> x y)))
 14864  	for {
 14865  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14866  			break
 14867  		}
 14868  		z := v_0.Args[0]
 14869  		if z.Op != OpARM64MSUB {
 14870  			break
 14871  		}
 14872  		y := z.Args[2]
 14873  		a := z.Args[0]
 14874  		x := z.Args[1]
 14875  		if !(z.Uses == 1) {
 14876  			break
 14877  		}
 14878  		v.reset(OpARM64NotEqual)
 14879  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 14880  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
 14881  		v1.AddArg2(x, y)
 14882  		v0.AddArg2(a, v1)
 14883  		v.AddArg(v0)
 14884  		return true
 14885  	}
 14886  	// match: (NotEqual (CMPWconst [0] z:(MSUBW a x y)))
 14887  	// cond: z.Uses == 1
 14888  	// result: (NotEqual (CMPW a (MULW <x.Type> x y)))
 14889  	for {
 14890  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14891  			break
 14892  		}
 14893  		z := v_0.Args[0]
 14894  		if z.Op != OpARM64MSUBW {
 14895  			break
 14896  		}
 14897  		y := z.Args[2]
 14898  		a := z.Args[0]
 14899  		x := z.Args[1]
 14900  		if !(z.Uses == 1) {
 14901  			break
 14902  		}
 14903  		v.reset(OpARM64NotEqual)
 14904  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 14905  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
 14906  		v1.AddArg2(x, y)
 14907  		v0.AddArg2(a, v1)
 14908  		v.AddArg(v0)
 14909  		return true
 14910  	}
 14911  	// match: (NotEqual (FlagConstant [fc]))
 14912  	// result: (MOVDconst [b2i(fc.ne())])
 14913  	for {
 14914  		if v_0.Op != OpARM64FlagConstant {
 14915  			break
 14916  		}
 14917  		fc := auxIntToFlagConstant(v_0.AuxInt)
 14918  		v.reset(OpARM64MOVDconst)
 14919  		v.AuxInt = int64ToAuxInt(b2i(fc.ne()))
 14920  		return true
 14921  	}
 14922  	// match: (NotEqual (InvertFlags x))
 14923  	// result: (NotEqual x)
 14924  	for {
 14925  		if v_0.Op != OpARM64InvertFlags {
 14926  			break
 14927  		}
 14928  		x := v_0.Args[0]
 14929  		v.reset(OpARM64NotEqual)
 14930  		v.AddArg(x)
 14931  		return true
 14932  	}
 14933  	return false
 14934  }
 14935  func rewriteValueARM64_OpARM64OR(v *Value) bool {
 14936  	v_1 := v.Args[1]
 14937  	v_0 := v.Args[0]
 14938  	// match: (OR x (MOVDconst [c]))
 14939  	// result: (ORconst [c] x)
 14940  	for {
 14941  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14942  			x := v_0
 14943  			if v_1.Op != OpARM64MOVDconst {
 14944  				continue
 14945  			}
 14946  			c := auxIntToInt64(v_1.AuxInt)
 14947  			v.reset(OpARM64ORconst)
 14948  			v.AuxInt = int64ToAuxInt(c)
 14949  			v.AddArg(x)
 14950  			return true
 14951  		}
 14952  		break
 14953  	}
 14954  	// match: (OR x x)
 14955  	// result: x
 14956  	for {
 14957  		x := v_0
 14958  		if x != v_1 {
 14959  			break
 14960  		}
 14961  		v.copyOf(x)
 14962  		return true
 14963  	}
 14964  	// match: (OR x (MVN y))
 14965  	// result: (ORN x y)
 14966  	for {
 14967  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14968  			x := v_0
 14969  			if v_1.Op != OpARM64MVN {
 14970  				continue
 14971  			}
 14972  			y := v_1.Args[0]
 14973  			v.reset(OpARM64ORN)
 14974  			v.AddArg2(x, y)
 14975  			return true
 14976  		}
 14977  		break
 14978  	}
 14979  	// match: (OR x0 x1:(SLLconst [c] y))
 14980  	// cond: clobberIfDead(x1)
 14981  	// result: (ORshiftLL x0 y [c])
 14982  	for {
 14983  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14984  			x0 := v_0
 14985  			x1 := v_1
 14986  			if x1.Op != OpARM64SLLconst {
 14987  				continue
 14988  			}
 14989  			c := auxIntToInt64(x1.AuxInt)
 14990  			y := x1.Args[0]
 14991  			if !(clobberIfDead(x1)) {
 14992  				continue
 14993  			}
 14994  			v.reset(OpARM64ORshiftLL)
 14995  			v.AuxInt = int64ToAuxInt(c)
 14996  			v.AddArg2(x0, y)
 14997  			return true
 14998  		}
 14999  		break
 15000  	}
 15001  	// match: (OR x0 x1:(SRLconst [c] y))
 15002  	// cond: clobberIfDead(x1)
 15003  	// result: (ORshiftRL x0 y [c])
 15004  	for {
 15005  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15006  			x0 := v_0
 15007  			x1 := v_1
 15008  			if x1.Op != OpARM64SRLconst {
 15009  				continue
 15010  			}
 15011  			c := auxIntToInt64(x1.AuxInt)
 15012  			y := x1.Args[0]
 15013  			if !(clobberIfDead(x1)) {
 15014  				continue
 15015  			}
 15016  			v.reset(OpARM64ORshiftRL)
 15017  			v.AuxInt = int64ToAuxInt(c)
 15018  			v.AddArg2(x0, y)
 15019  			return true
 15020  		}
 15021  		break
 15022  	}
 15023  	// match: (OR x0 x1:(SRAconst [c] y))
 15024  	// cond: clobberIfDead(x1)
 15025  	// result: (ORshiftRA x0 y [c])
 15026  	for {
 15027  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15028  			x0 := v_0
 15029  			x1 := v_1
 15030  			if x1.Op != OpARM64SRAconst {
 15031  				continue
 15032  			}
 15033  			c := auxIntToInt64(x1.AuxInt)
 15034  			y := x1.Args[0]
 15035  			if !(clobberIfDead(x1)) {
 15036  				continue
 15037  			}
 15038  			v.reset(OpARM64ORshiftRA)
 15039  			v.AuxInt = int64ToAuxInt(c)
 15040  			v.AddArg2(x0, y)
 15041  			return true
 15042  		}
 15043  		break
 15044  	}
 15045  	// match: (OR x0 x1:(RORconst [c] y))
 15046  	// cond: clobberIfDead(x1)
 15047  	// result: (ORshiftRO x0 y [c])
 15048  	for {
 15049  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15050  			x0 := v_0
 15051  			x1 := v_1
 15052  			if x1.Op != OpARM64RORconst {
 15053  				continue
 15054  			}
 15055  			c := auxIntToInt64(x1.AuxInt)
 15056  			y := x1.Args[0]
 15057  			if !(clobberIfDead(x1)) {
 15058  				continue
 15059  			}
 15060  			v.reset(OpARM64ORshiftRO)
 15061  			v.AuxInt = int64ToAuxInt(c)
 15062  			v.AddArg2(x0, y)
 15063  			return true
 15064  		}
 15065  		break
 15066  	}
 15067  	// match: (OR (UBFIZ [bfc] x) (ANDconst [ac] y))
 15068  	// cond: ac == ^((1<<uint(bfc.width())-1) << uint(bfc.lsb()))
 15069  	// result: (BFI [bfc] y x)
 15070  	for {
 15071  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15072  			if v_0.Op != OpARM64UBFIZ {
 15073  				continue
 15074  			}
 15075  			bfc := auxIntToArm64BitField(v_0.AuxInt)
 15076  			x := v_0.Args[0]
 15077  			if v_1.Op != OpARM64ANDconst {
 15078  				continue
 15079  			}
 15080  			ac := auxIntToInt64(v_1.AuxInt)
 15081  			y := v_1.Args[0]
 15082  			if !(ac == ^((1<<uint(bfc.width()) - 1) << uint(bfc.lsb()))) {
 15083  				continue
 15084  			}
 15085  			v.reset(OpARM64BFI)
 15086  			v.AuxInt = arm64BitFieldToAuxInt(bfc)
 15087  			v.AddArg2(y, x)
 15088  			return true
 15089  		}
 15090  		break
 15091  	}
 15092  	// match: (OR (UBFX [bfc] x) (ANDconst [ac] y))
 15093  	// cond: ac == ^(1<<uint(bfc.width())-1)
 15094  	// result: (BFXIL [bfc] y x)
 15095  	for {
 15096  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15097  			if v_0.Op != OpARM64UBFX {
 15098  				continue
 15099  			}
 15100  			bfc := auxIntToArm64BitField(v_0.AuxInt)
 15101  			x := v_0.Args[0]
 15102  			if v_1.Op != OpARM64ANDconst {
 15103  				continue
 15104  			}
 15105  			ac := auxIntToInt64(v_1.AuxInt)
 15106  			y := v_1.Args[0]
 15107  			if !(ac == ^(1<<uint(bfc.width()) - 1)) {
 15108  				continue
 15109  			}
 15110  			v.reset(OpARM64BFXIL)
 15111  			v.AuxInt = arm64BitFieldToAuxInt(bfc)
 15112  			v.AddArg2(y, x)
 15113  			return true
 15114  		}
 15115  		break
 15116  	}
 15117  	return false
 15118  }
 15119  func rewriteValueARM64_OpARM64ORN(v *Value) bool {
 15120  	v_1 := v.Args[1]
 15121  	v_0 := v.Args[0]
 15122  	// match: (ORN x (MOVDconst [c]))
 15123  	// result: (ORconst [^c] x)
 15124  	for {
 15125  		x := v_0
 15126  		if v_1.Op != OpARM64MOVDconst {
 15127  			break
 15128  		}
 15129  		c := auxIntToInt64(v_1.AuxInt)
 15130  		v.reset(OpARM64ORconst)
 15131  		v.AuxInt = int64ToAuxInt(^c)
 15132  		v.AddArg(x)
 15133  		return true
 15134  	}
 15135  	// match: (ORN x x)
 15136  	// result: (MOVDconst [-1])
 15137  	for {
 15138  		x := v_0
 15139  		if x != v_1 {
 15140  			break
 15141  		}
 15142  		v.reset(OpARM64MOVDconst)
 15143  		v.AuxInt = int64ToAuxInt(-1)
 15144  		return true
 15145  	}
 15146  	// match: (ORN x0 x1:(SLLconst [c] y))
 15147  	// cond: clobberIfDead(x1)
 15148  	// result: (ORNshiftLL x0 y [c])
 15149  	for {
 15150  		x0 := v_0
 15151  		x1 := v_1
 15152  		if x1.Op != OpARM64SLLconst {
 15153  			break
 15154  		}
 15155  		c := auxIntToInt64(x1.AuxInt)
 15156  		y := x1.Args[0]
 15157  		if !(clobberIfDead(x1)) {
 15158  			break
 15159  		}
 15160  		v.reset(OpARM64ORNshiftLL)
 15161  		v.AuxInt = int64ToAuxInt(c)
 15162  		v.AddArg2(x0, y)
 15163  		return true
 15164  	}
 15165  	// match: (ORN x0 x1:(SRLconst [c] y))
 15166  	// cond: clobberIfDead(x1)
 15167  	// result: (ORNshiftRL x0 y [c])
 15168  	for {
 15169  		x0 := v_0
 15170  		x1 := v_1
 15171  		if x1.Op != OpARM64SRLconst {
 15172  			break
 15173  		}
 15174  		c := auxIntToInt64(x1.AuxInt)
 15175  		y := x1.Args[0]
 15176  		if !(clobberIfDead(x1)) {
 15177  			break
 15178  		}
 15179  		v.reset(OpARM64ORNshiftRL)
 15180  		v.AuxInt = int64ToAuxInt(c)
 15181  		v.AddArg2(x0, y)
 15182  		return true
 15183  	}
 15184  	// match: (ORN x0 x1:(SRAconst [c] y))
 15185  	// cond: clobberIfDead(x1)
 15186  	// result: (ORNshiftRA x0 y [c])
 15187  	for {
 15188  		x0 := v_0
 15189  		x1 := v_1
 15190  		if x1.Op != OpARM64SRAconst {
 15191  			break
 15192  		}
 15193  		c := auxIntToInt64(x1.AuxInt)
 15194  		y := x1.Args[0]
 15195  		if !(clobberIfDead(x1)) {
 15196  			break
 15197  		}
 15198  		v.reset(OpARM64ORNshiftRA)
 15199  		v.AuxInt = int64ToAuxInt(c)
 15200  		v.AddArg2(x0, y)
 15201  		return true
 15202  	}
 15203  	// match: (ORN x0 x1:(RORconst [c] y))
 15204  	// cond: clobberIfDead(x1)
 15205  	// result: (ORNshiftRO x0 y [c])
 15206  	for {
 15207  		x0 := v_0
 15208  		x1 := v_1
 15209  		if x1.Op != OpARM64RORconst {
 15210  			break
 15211  		}
 15212  		c := auxIntToInt64(x1.AuxInt)
 15213  		y := x1.Args[0]
 15214  		if !(clobberIfDead(x1)) {
 15215  			break
 15216  		}
 15217  		v.reset(OpARM64ORNshiftRO)
 15218  		v.AuxInt = int64ToAuxInt(c)
 15219  		v.AddArg2(x0, y)
 15220  		return true
 15221  	}
 15222  	return false
 15223  }
 15224  func rewriteValueARM64_OpARM64ORNshiftLL(v *Value) bool {
 15225  	v_1 := v.Args[1]
 15226  	v_0 := v.Args[0]
 15227  	// match: (ORNshiftLL x (MOVDconst [c]) [d])
 15228  	// result: (ORconst x [^int64(uint64(c)<<uint64(d))])
 15229  	for {
 15230  		d := auxIntToInt64(v.AuxInt)
 15231  		x := v_0
 15232  		if v_1.Op != OpARM64MOVDconst {
 15233  			break
 15234  		}
 15235  		c := auxIntToInt64(v_1.AuxInt)
 15236  		v.reset(OpARM64ORconst)
 15237  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
 15238  		v.AddArg(x)
 15239  		return true
 15240  	}
 15241  	// match: (ORNshiftLL (SLLconst x [c]) x [c])
 15242  	// result: (MOVDconst [-1])
 15243  	for {
 15244  		c := auxIntToInt64(v.AuxInt)
 15245  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 15246  			break
 15247  		}
 15248  		x := v_0.Args[0]
 15249  		if x != v_1 {
 15250  			break
 15251  		}
 15252  		v.reset(OpARM64MOVDconst)
 15253  		v.AuxInt = int64ToAuxInt(-1)
 15254  		return true
 15255  	}
 15256  	return false
 15257  }
 15258  func rewriteValueARM64_OpARM64ORNshiftRA(v *Value) bool {
 15259  	v_1 := v.Args[1]
 15260  	v_0 := v.Args[0]
 15261  	// match: (ORNshiftRA x (MOVDconst [c]) [d])
 15262  	// result: (ORconst x [^(c>>uint64(d))])
 15263  	for {
 15264  		d := auxIntToInt64(v.AuxInt)
 15265  		x := v_0
 15266  		if v_1.Op != OpARM64MOVDconst {
 15267  			break
 15268  		}
 15269  		c := auxIntToInt64(v_1.AuxInt)
 15270  		v.reset(OpARM64ORconst)
 15271  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
 15272  		v.AddArg(x)
 15273  		return true
 15274  	}
 15275  	// match: (ORNshiftRA (SRAconst x [c]) x [c])
 15276  	// result: (MOVDconst [-1])
 15277  	for {
 15278  		c := auxIntToInt64(v.AuxInt)
 15279  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 15280  			break
 15281  		}
 15282  		x := v_0.Args[0]
 15283  		if x != v_1 {
 15284  			break
 15285  		}
 15286  		v.reset(OpARM64MOVDconst)
 15287  		v.AuxInt = int64ToAuxInt(-1)
 15288  		return true
 15289  	}
 15290  	return false
 15291  }
 15292  func rewriteValueARM64_OpARM64ORNshiftRL(v *Value) bool {
 15293  	v_1 := v.Args[1]
 15294  	v_0 := v.Args[0]
 15295  	// match: (ORNshiftRL x (MOVDconst [c]) [d])
 15296  	// result: (ORconst x [^int64(uint64(c)>>uint64(d))])
 15297  	for {
 15298  		d := auxIntToInt64(v.AuxInt)
 15299  		x := v_0
 15300  		if v_1.Op != OpARM64MOVDconst {
 15301  			break
 15302  		}
 15303  		c := auxIntToInt64(v_1.AuxInt)
 15304  		v.reset(OpARM64ORconst)
 15305  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
 15306  		v.AddArg(x)
 15307  		return true
 15308  	}
 15309  	// match: (ORNshiftRL (SRLconst x [c]) x [c])
 15310  	// result: (MOVDconst [-1])
 15311  	for {
 15312  		c := auxIntToInt64(v.AuxInt)
 15313  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 15314  			break
 15315  		}
 15316  		x := v_0.Args[0]
 15317  		if x != v_1 {
 15318  			break
 15319  		}
 15320  		v.reset(OpARM64MOVDconst)
 15321  		v.AuxInt = int64ToAuxInt(-1)
 15322  		return true
 15323  	}
 15324  	return false
 15325  }
 15326  func rewriteValueARM64_OpARM64ORNshiftRO(v *Value) bool {
 15327  	v_1 := v.Args[1]
 15328  	v_0 := v.Args[0]
 15329  	// match: (ORNshiftRO x (MOVDconst [c]) [d])
 15330  	// result: (ORconst x [^rotateRight64(c, d)])
 15331  	for {
 15332  		d := auxIntToInt64(v.AuxInt)
 15333  		x := v_0
 15334  		if v_1.Op != OpARM64MOVDconst {
 15335  			break
 15336  		}
 15337  		c := auxIntToInt64(v_1.AuxInt)
 15338  		v.reset(OpARM64ORconst)
 15339  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
 15340  		v.AddArg(x)
 15341  		return true
 15342  	}
 15343  	// match: (ORNshiftRO (RORconst x [c]) x [c])
 15344  	// result: (MOVDconst [-1])
 15345  	for {
 15346  		c := auxIntToInt64(v.AuxInt)
 15347  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
 15348  			break
 15349  		}
 15350  		x := v_0.Args[0]
 15351  		if x != v_1 {
 15352  			break
 15353  		}
 15354  		v.reset(OpARM64MOVDconst)
 15355  		v.AuxInt = int64ToAuxInt(-1)
 15356  		return true
 15357  	}
 15358  	return false
 15359  }
 15360  func rewriteValueARM64_OpARM64ORconst(v *Value) bool {
 15361  	v_0 := v.Args[0]
 15362  	// match: (ORconst [0] x)
 15363  	// result: x
 15364  	for {
 15365  		if auxIntToInt64(v.AuxInt) != 0 {
 15366  			break
 15367  		}
 15368  		x := v_0
 15369  		v.copyOf(x)
 15370  		return true
 15371  	}
 15372  	// match: (ORconst [-1] _)
 15373  	// result: (MOVDconst [-1])
 15374  	for {
 15375  		if auxIntToInt64(v.AuxInt) != -1 {
 15376  			break
 15377  		}
 15378  		v.reset(OpARM64MOVDconst)
 15379  		v.AuxInt = int64ToAuxInt(-1)
 15380  		return true
 15381  	}
 15382  	// match: (ORconst [c] (MOVDconst [d]))
 15383  	// result: (MOVDconst [c|d])
 15384  	for {
 15385  		c := auxIntToInt64(v.AuxInt)
 15386  		if v_0.Op != OpARM64MOVDconst {
 15387  			break
 15388  		}
 15389  		d := auxIntToInt64(v_0.AuxInt)
 15390  		v.reset(OpARM64MOVDconst)
 15391  		v.AuxInt = int64ToAuxInt(c | d)
 15392  		return true
 15393  	}
 15394  	// match: (ORconst [c] (ORconst [d] x))
 15395  	// result: (ORconst [c|d] x)
 15396  	for {
 15397  		c := auxIntToInt64(v.AuxInt)
 15398  		if v_0.Op != OpARM64ORconst {
 15399  			break
 15400  		}
 15401  		d := auxIntToInt64(v_0.AuxInt)
 15402  		x := v_0.Args[0]
 15403  		v.reset(OpARM64ORconst)
 15404  		v.AuxInt = int64ToAuxInt(c | d)
 15405  		v.AddArg(x)
 15406  		return true
 15407  	}
 15408  	// match: (ORconst [c1] (ANDconst [c2] x))
 15409  	// cond: c2|c1 == ^0
 15410  	// result: (ORconst [c1] x)
 15411  	for {
 15412  		c1 := auxIntToInt64(v.AuxInt)
 15413  		if v_0.Op != OpARM64ANDconst {
 15414  			break
 15415  		}
 15416  		c2 := auxIntToInt64(v_0.AuxInt)
 15417  		x := v_0.Args[0]
 15418  		if !(c2|c1 == ^0) {
 15419  			break
 15420  		}
 15421  		v.reset(OpARM64ORconst)
 15422  		v.AuxInt = int64ToAuxInt(c1)
 15423  		v.AddArg(x)
 15424  		return true
 15425  	}
 15426  	return false
 15427  }
 15428  func rewriteValueARM64_OpARM64ORshiftLL(v *Value) bool {
 15429  	v_1 := v.Args[1]
 15430  	v_0 := v.Args[0]
 15431  	b := v.Block
 15432  	typ := &b.Func.Config.Types
 15433  	// match: (ORshiftLL (MOVDconst [c]) x [d])
 15434  	// result: (ORconst [c] (SLLconst <x.Type> x [d]))
 15435  	for {
 15436  		d := auxIntToInt64(v.AuxInt)
 15437  		if v_0.Op != OpARM64MOVDconst {
 15438  			break
 15439  		}
 15440  		c := auxIntToInt64(v_0.AuxInt)
 15441  		x := v_1
 15442  		v.reset(OpARM64ORconst)
 15443  		v.AuxInt = int64ToAuxInt(c)
 15444  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 15445  		v0.AuxInt = int64ToAuxInt(d)
 15446  		v0.AddArg(x)
 15447  		v.AddArg(v0)
 15448  		return true
 15449  	}
 15450  	// match: (ORshiftLL x (MOVDconst [c]) [d])
 15451  	// result: (ORconst x [int64(uint64(c)<<uint64(d))])
 15452  	for {
 15453  		d := auxIntToInt64(v.AuxInt)
 15454  		x := v_0
 15455  		if v_1.Op != OpARM64MOVDconst {
 15456  			break
 15457  		}
 15458  		c := auxIntToInt64(v_1.AuxInt)
 15459  		v.reset(OpARM64ORconst)
 15460  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 15461  		v.AddArg(x)
 15462  		return true
 15463  	}
 15464  	// match: (ORshiftLL y:(SLLconst x [c]) x [c])
 15465  	// result: y
 15466  	for {
 15467  		c := auxIntToInt64(v.AuxInt)
 15468  		y := v_0
 15469  		if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c {
 15470  			break
 15471  		}
 15472  		x := y.Args[0]
 15473  		if x != v_1 {
 15474  			break
 15475  		}
 15476  		v.copyOf(y)
 15477  		return true
 15478  	}
 15479  	// match: (ORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
 15480  	// result: (REV16W x)
 15481  	for {
 15482  		if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) {
 15483  			break
 15484  		}
 15485  		x := v_0.Args[0]
 15486  		if x != v_1 {
 15487  			break
 15488  		}
 15489  		v.reset(OpARM64REV16W)
 15490  		v.AddArg(x)
 15491  		return true
 15492  	}
 15493  	// match: (ORshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
 15494  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
 15495  	// result: (REV16W x)
 15496  	for {
 15497  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
 15498  			break
 15499  		}
 15500  		v_0_0 := v_0.Args[0]
 15501  		if v_0_0.Op != OpARM64ANDconst {
 15502  			break
 15503  		}
 15504  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15505  		x := v_0_0.Args[0]
 15506  		if v_1.Op != OpARM64ANDconst {
 15507  			break
 15508  		}
 15509  		c2 := auxIntToInt64(v_1.AuxInt)
 15510  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
 15511  			break
 15512  		}
 15513  		v.reset(OpARM64REV16W)
 15514  		v.AddArg(x)
 15515  		return true
 15516  	}
 15517  	// match: (ORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 15518  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
 15519  	// result: (REV16 x)
 15520  	for {
 15521  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 15522  			break
 15523  		}
 15524  		v_0_0 := v_0.Args[0]
 15525  		if v_0_0.Op != OpARM64ANDconst {
 15526  			break
 15527  		}
 15528  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15529  		x := v_0_0.Args[0]
 15530  		if v_1.Op != OpARM64ANDconst {
 15531  			break
 15532  		}
 15533  		c2 := auxIntToInt64(v_1.AuxInt)
 15534  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
 15535  			break
 15536  		}
 15537  		v.reset(OpARM64REV16)
 15538  		v.AddArg(x)
 15539  		return true
 15540  	}
 15541  	// match: (ORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 15542  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
 15543  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
 15544  	for {
 15545  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 15546  			break
 15547  		}
 15548  		v_0_0 := v_0.Args[0]
 15549  		if v_0_0.Op != OpARM64ANDconst {
 15550  			break
 15551  		}
 15552  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15553  		x := v_0_0.Args[0]
 15554  		if v_1.Op != OpARM64ANDconst {
 15555  			break
 15556  		}
 15557  		c2 := auxIntToInt64(v_1.AuxInt)
 15558  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
 15559  			break
 15560  		}
 15561  		v.reset(OpARM64REV16)
 15562  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
 15563  		v0.AuxInt = int64ToAuxInt(0xffffffff)
 15564  		v0.AddArg(x)
 15565  		v.AddArg(v0)
 15566  		return true
 15567  	}
 15568  	// match: ( ORshiftLL [c] (SRLconst x [64-c]) x2)
 15569  	// result: (EXTRconst [64-c] x2 x)
 15570  	for {
 15571  		c := auxIntToInt64(v.AuxInt)
 15572  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
 15573  			break
 15574  		}
 15575  		x := v_0.Args[0]
 15576  		x2 := v_1
 15577  		v.reset(OpARM64EXTRconst)
 15578  		v.AuxInt = int64ToAuxInt(64 - c)
 15579  		v.AddArg2(x2, x)
 15580  		return true
 15581  	}
 15582  	// match: ( ORshiftLL <t> [c] (UBFX [bfc] x) x2)
 15583  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
 15584  	// result: (EXTRWconst [32-c] x2 x)
 15585  	for {
 15586  		t := v.Type
 15587  		c := auxIntToInt64(v.AuxInt)
 15588  		if v_0.Op != OpARM64UBFX {
 15589  			break
 15590  		}
 15591  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15592  		x := v_0.Args[0]
 15593  		x2 := v_1
 15594  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
 15595  			break
 15596  		}
 15597  		v.reset(OpARM64EXTRWconst)
 15598  		v.AuxInt = int64ToAuxInt(32 - c)
 15599  		v.AddArg2(x2, x)
 15600  		return true
 15601  	}
 15602  	// match: (ORshiftLL [s] (ANDconst [xc] x) (ANDconst [yc] y))
 15603  	// cond: xc == ^(yc << s) && yc & (yc+1) == 0 && yc > 0 && s+log64(yc+1) <= 64
 15604  	// result: (BFI [armBFAuxInt(s, log64(yc+1))] x y)
 15605  	for {
 15606  		s := auxIntToInt64(v.AuxInt)
 15607  		if v_0.Op != OpARM64ANDconst {
 15608  			break
 15609  		}
 15610  		xc := auxIntToInt64(v_0.AuxInt)
 15611  		x := v_0.Args[0]
 15612  		if v_1.Op != OpARM64ANDconst {
 15613  			break
 15614  		}
 15615  		yc := auxIntToInt64(v_1.AuxInt)
 15616  		y := v_1.Args[0]
 15617  		if !(xc == ^(yc<<s) && yc&(yc+1) == 0 && yc > 0 && s+log64(yc+1) <= 64) {
 15618  			break
 15619  		}
 15620  		v.reset(OpARM64BFI)
 15621  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(s, log64(yc+1)))
 15622  		v.AddArg2(x, y)
 15623  		return true
 15624  	}
 15625  	// match: (ORshiftLL [sc] (UBFX [bfc] x) (SRLconst [sc] y))
 15626  	// cond: sc == bfc.width()
 15627  	// result: (BFXIL [bfc] y x)
 15628  	for {
 15629  		sc := auxIntToInt64(v.AuxInt)
 15630  		if v_0.Op != OpARM64UBFX {
 15631  			break
 15632  		}
 15633  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15634  		x := v_0.Args[0]
 15635  		if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != sc {
 15636  			break
 15637  		}
 15638  		y := v_1.Args[0]
 15639  		if !(sc == bfc.width()) {
 15640  			break
 15641  		}
 15642  		v.reset(OpARM64BFXIL)
 15643  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 15644  		v.AddArg2(y, x)
 15645  		return true
 15646  	}
 15647  	return false
 15648  }
 15649  func rewriteValueARM64_OpARM64ORshiftRA(v *Value) bool {
 15650  	v_1 := v.Args[1]
 15651  	v_0 := v.Args[0]
 15652  	b := v.Block
 15653  	// match: (ORshiftRA (MOVDconst [c]) x [d])
 15654  	// result: (ORconst [c] (SRAconst <x.Type> x [d]))
 15655  	for {
 15656  		d := auxIntToInt64(v.AuxInt)
 15657  		if v_0.Op != OpARM64MOVDconst {
 15658  			break
 15659  		}
 15660  		c := auxIntToInt64(v_0.AuxInt)
 15661  		x := v_1
 15662  		v.reset(OpARM64ORconst)
 15663  		v.AuxInt = int64ToAuxInt(c)
 15664  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 15665  		v0.AuxInt = int64ToAuxInt(d)
 15666  		v0.AddArg(x)
 15667  		v.AddArg(v0)
 15668  		return true
 15669  	}
 15670  	// match: (ORshiftRA x (MOVDconst [c]) [d])
 15671  	// result: (ORconst x [c>>uint64(d)])
 15672  	for {
 15673  		d := auxIntToInt64(v.AuxInt)
 15674  		x := v_0
 15675  		if v_1.Op != OpARM64MOVDconst {
 15676  			break
 15677  		}
 15678  		c := auxIntToInt64(v_1.AuxInt)
 15679  		v.reset(OpARM64ORconst)
 15680  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 15681  		v.AddArg(x)
 15682  		return true
 15683  	}
 15684  	// match: (ORshiftRA y:(SRAconst x [c]) x [c])
 15685  	// result: y
 15686  	for {
 15687  		c := auxIntToInt64(v.AuxInt)
 15688  		y := v_0
 15689  		if y.Op != OpARM64SRAconst || auxIntToInt64(y.AuxInt) != c {
 15690  			break
 15691  		}
 15692  		x := y.Args[0]
 15693  		if x != v_1 {
 15694  			break
 15695  		}
 15696  		v.copyOf(y)
 15697  		return true
 15698  	}
 15699  	return false
 15700  }
 15701  func rewriteValueARM64_OpARM64ORshiftRL(v *Value) bool {
 15702  	v_1 := v.Args[1]
 15703  	v_0 := v.Args[0]
 15704  	b := v.Block
 15705  	// match: (ORshiftRL (MOVDconst [c]) x [d])
 15706  	// result: (ORconst [c] (SRLconst <x.Type> x [d]))
 15707  	for {
 15708  		d := auxIntToInt64(v.AuxInt)
 15709  		if v_0.Op != OpARM64MOVDconst {
 15710  			break
 15711  		}
 15712  		c := auxIntToInt64(v_0.AuxInt)
 15713  		x := v_1
 15714  		v.reset(OpARM64ORconst)
 15715  		v.AuxInt = int64ToAuxInt(c)
 15716  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 15717  		v0.AuxInt = int64ToAuxInt(d)
 15718  		v0.AddArg(x)
 15719  		v.AddArg(v0)
 15720  		return true
 15721  	}
 15722  	// match: (ORshiftRL x (MOVDconst [c]) [d])
 15723  	// result: (ORconst x [int64(uint64(c)>>uint64(d))])
 15724  	for {
 15725  		d := auxIntToInt64(v.AuxInt)
 15726  		x := v_0
 15727  		if v_1.Op != OpARM64MOVDconst {
 15728  			break
 15729  		}
 15730  		c := auxIntToInt64(v_1.AuxInt)
 15731  		v.reset(OpARM64ORconst)
 15732  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 15733  		v.AddArg(x)
 15734  		return true
 15735  	}
 15736  	// match: (ORshiftRL y:(SRLconst x [c]) x [c])
 15737  	// result: y
 15738  	for {
 15739  		c := auxIntToInt64(v.AuxInt)
 15740  		y := v_0
 15741  		if y.Op != OpARM64SRLconst || auxIntToInt64(y.AuxInt) != c {
 15742  			break
 15743  		}
 15744  		x := y.Args[0]
 15745  		if x != v_1 {
 15746  			break
 15747  		}
 15748  		v.copyOf(y)
 15749  		return true
 15750  	}
 15751  	// match: (ORshiftRL [rc] (ANDconst [ac] x) (SLLconst [lc] y))
 15752  	// cond: lc > rc && ac == ^((1<<uint(64-lc)-1) << uint64(lc-rc))
 15753  	// result: (BFI [armBFAuxInt(lc-rc, 64-lc)] x y)
 15754  	for {
 15755  		rc := auxIntToInt64(v.AuxInt)
 15756  		if v_0.Op != OpARM64ANDconst {
 15757  			break
 15758  		}
 15759  		ac := auxIntToInt64(v_0.AuxInt)
 15760  		x := v_0.Args[0]
 15761  		if v_1.Op != OpARM64SLLconst {
 15762  			break
 15763  		}
 15764  		lc := auxIntToInt64(v_1.AuxInt)
 15765  		y := v_1.Args[0]
 15766  		if !(lc > rc && ac == ^((1<<uint(64-lc)-1)<<uint64(lc-rc))) {
 15767  			break
 15768  		}
 15769  		v.reset(OpARM64BFI)
 15770  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 15771  		v.AddArg2(x, y)
 15772  		return true
 15773  	}
 15774  	// match: (ORshiftRL [rc] (ANDconst [ac] y) (SLLconst [lc] x))
 15775  	// cond: lc < rc && ac == ^((1<<uint(64-rc)-1))
 15776  	// result: (BFXIL [armBFAuxInt(rc-lc, 64-rc)] y x)
 15777  	for {
 15778  		rc := auxIntToInt64(v.AuxInt)
 15779  		if v_0.Op != OpARM64ANDconst {
 15780  			break
 15781  		}
 15782  		ac := auxIntToInt64(v_0.AuxInt)
 15783  		y := v_0.Args[0]
 15784  		if v_1.Op != OpARM64SLLconst {
 15785  			break
 15786  		}
 15787  		lc := auxIntToInt64(v_1.AuxInt)
 15788  		x := v_1.Args[0]
 15789  		if !(lc < rc && ac == ^(1<<uint(64-rc)-1)) {
 15790  			break
 15791  		}
 15792  		v.reset(OpARM64BFXIL)
 15793  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 15794  		v.AddArg2(y, x)
 15795  		return true
 15796  	}
 15797  	return false
 15798  }
 15799  func rewriteValueARM64_OpARM64ORshiftRO(v *Value) bool {
 15800  	v_1 := v.Args[1]
 15801  	v_0 := v.Args[0]
 15802  	b := v.Block
 15803  	// match: (ORshiftRO (MOVDconst [c]) x [d])
 15804  	// result: (ORconst [c] (RORconst <x.Type> x [d]))
 15805  	for {
 15806  		d := auxIntToInt64(v.AuxInt)
 15807  		if v_0.Op != OpARM64MOVDconst {
 15808  			break
 15809  		}
 15810  		c := auxIntToInt64(v_0.AuxInt)
 15811  		x := v_1
 15812  		v.reset(OpARM64ORconst)
 15813  		v.AuxInt = int64ToAuxInt(c)
 15814  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 15815  		v0.AuxInt = int64ToAuxInt(d)
 15816  		v0.AddArg(x)
 15817  		v.AddArg(v0)
 15818  		return true
 15819  	}
 15820  	// match: (ORshiftRO x (MOVDconst [c]) [d])
 15821  	// result: (ORconst x [rotateRight64(c, d)])
 15822  	for {
 15823  		d := auxIntToInt64(v.AuxInt)
 15824  		x := v_0
 15825  		if v_1.Op != OpARM64MOVDconst {
 15826  			break
 15827  		}
 15828  		c := auxIntToInt64(v_1.AuxInt)
 15829  		v.reset(OpARM64ORconst)
 15830  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 15831  		v.AddArg(x)
 15832  		return true
 15833  	}
 15834  	// match: (ORshiftRO y:(RORconst x [c]) x [c])
 15835  	// result: y
 15836  	for {
 15837  		c := auxIntToInt64(v.AuxInt)
 15838  		y := v_0
 15839  		if y.Op != OpARM64RORconst || auxIntToInt64(y.AuxInt) != c {
 15840  			break
 15841  		}
 15842  		x := y.Args[0]
 15843  		if x != v_1 {
 15844  			break
 15845  		}
 15846  		v.copyOf(y)
 15847  		return true
 15848  	}
 15849  	return false
 15850  }
 15851  func rewriteValueARM64_OpARM64REV(v *Value) bool {
 15852  	v_0 := v.Args[0]
 15853  	// match: (REV (REV p))
 15854  	// result: p
 15855  	for {
 15856  		if v_0.Op != OpARM64REV {
 15857  			break
 15858  		}
 15859  		p := v_0.Args[0]
 15860  		v.copyOf(p)
 15861  		return true
 15862  	}
 15863  	return false
 15864  }
 15865  func rewriteValueARM64_OpARM64REV16(v *Value) bool {
 15866  	v_0 := v.Args[0]
 15867  	// match: (REV16 (MOVWUreg x))
 15868  	// result: (REV16W x)
 15869  	for {
 15870  		if v_0.Op != OpARM64MOVWUreg {
 15871  			break
 15872  		}
 15873  		x := v_0.Args[0]
 15874  		v.reset(OpARM64REV16W)
 15875  		v.AddArg(x)
 15876  		return true
 15877  	}
 15878  	return false
 15879  }
 15880  func rewriteValueARM64_OpARM64REVW(v *Value) bool {
 15881  	v_0 := v.Args[0]
 15882  	// match: (REVW (REVW p))
 15883  	// result: p
 15884  	for {
 15885  		if v_0.Op != OpARM64REVW {
 15886  			break
 15887  		}
 15888  		p := v_0.Args[0]
 15889  		v.copyOf(p)
 15890  		return true
 15891  	}
 15892  	return false
 15893  }
 15894  func rewriteValueARM64_OpARM64ROR(v *Value) bool {
 15895  	v_1 := v.Args[1]
 15896  	v_0 := v.Args[0]
 15897  	// match: (ROR x (MOVDconst [c]))
 15898  	// result: (RORconst x [c&63])
 15899  	for {
 15900  		x := v_0
 15901  		if v_1.Op != OpARM64MOVDconst {
 15902  			break
 15903  		}
 15904  		c := auxIntToInt64(v_1.AuxInt)
 15905  		v.reset(OpARM64RORconst)
 15906  		v.AuxInt = int64ToAuxInt(c & 63)
 15907  		v.AddArg(x)
 15908  		return true
 15909  	}
 15910  	return false
 15911  }
 15912  func rewriteValueARM64_OpARM64RORW(v *Value) bool {
 15913  	v_1 := v.Args[1]
 15914  	v_0 := v.Args[0]
 15915  	// match: (RORW x (MOVDconst [c]))
 15916  	// result: (RORWconst x [c&31])
 15917  	for {
 15918  		x := v_0
 15919  		if v_1.Op != OpARM64MOVDconst {
 15920  			break
 15921  		}
 15922  		c := auxIntToInt64(v_1.AuxInt)
 15923  		v.reset(OpARM64RORWconst)
 15924  		v.AuxInt = int64ToAuxInt(c & 31)
 15925  		v.AddArg(x)
 15926  		return true
 15927  	}
 15928  	return false
 15929  }
 15930  func rewriteValueARM64_OpARM64SBCSflags(v *Value) bool {
 15931  	v_2 := v.Args[2]
 15932  	v_1 := v.Args[1]
 15933  	v_0 := v.Args[0]
 15934  	b := v.Block
 15935  	typ := &b.Func.Config.Types
 15936  	// match: (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags (NEG <typ.UInt64> (NGCzerocarry <typ.UInt64> bo)))))
 15937  	// result: (SBCSflags x y bo)
 15938  	for {
 15939  		x := v_0
 15940  		y := v_1
 15941  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
 15942  			break
 15943  		}
 15944  		v_2_0 := v_2.Args[0]
 15945  		if v_2_0.Op != OpARM64NEGSflags {
 15946  			break
 15947  		}
 15948  		v_2_0_0 := v_2_0.Args[0]
 15949  		if v_2_0_0.Op != OpARM64NEG || v_2_0_0.Type != typ.UInt64 {
 15950  			break
 15951  		}
 15952  		v_2_0_0_0 := v_2_0_0.Args[0]
 15953  		if v_2_0_0_0.Op != OpARM64NGCzerocarry || v_2_0_0_0.Type != typ.UInt64 {
 15954  			break
 15955  		}
 15956  		bo := v_2_0_0_0.Args[0]
 15957  		v.reset(OpARM64SBCSflags)
 15958  		v.AddArg3(x, y, bo)
 15959  		return true
 15960  	}
 15961  	// match: (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags (MOVDconst [0]))))
 15962  	// result: (SUBSflags x y)
 15963  	for {
 15964  		x := v_0
 15965  		y := v_1
 15966  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
 15967  			break
 15968  		}
 15969  		v_2_0 := v_2.Args[0]
 15970  		if v_2_0.Op != OpARM64NEGSflags {
 15971  			break
 15972  		}
 15973  		v_2_0_0 := v_2_0.Args[0]
 15974  		if v_2_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_2_0_0.AuxInt) != 0 {
 15975  			break
 15976  		}
 15977  		v.reset(OpARM64SUBSflags)
 15978  		v.AddArg2(x, y)
 15979  		return true
 15980  	}
 15981  	return false
 15982  }
 15983  func rewriteValueARM64_OpARM64SBFX(v *Value) bool {
 15984  	v_0 := v.Args[0]
 15985  	// match: (SBFX [bfc] s:(SLLconst [sc] x))
 15986  	// cond: s.Uses == 1 && sc <= bfc.lsb()
 15987  	// result: (SBFX [armBFAuxInt(bfc.lsb() - sc, bfc.width())] x)
 15988  	for {
 15989  		bfc := auxIntToArm64BitField(v.AuxInt)
 15990  		s := v_0
 15991  		if s.Op != OpARM64SLLconst {
 15992  			break
 15993  		}
 15994  		sc := auxIntToInt64(s.AuxInt)
 15995  		x := s.Args[0]
 15996  		if !(s.Uses == 1 && sc <= bfc.lsb()) {
 15997  			break
 15998  		}
 15999  		v.reset(OpARM64SBFX)
 16000  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()-sc, bfc.width()))
 16001  		v.AddArg(x)
 16002  		return true
 16003  	}
 16004  	// match: (SBFX [bfc] s:(SLLconst [sc] x))
 16005  	// cond: s.Uses == 1 && sc > bfc.lsb() && sc < bfc.lsb()+bfc.width()
 16006  	// result: (SBFIZ [armBFAuxInt(sc - bfc.lsb(), bfc.width() - (sc-bfc.lsb()))] x)
 16007  	for {
 16008  		bfc := auxIntToArm64BitField(v.AuxInt)
 16009  		s := v_0
 16010  		if s.Op != OpARM64SLLconst {
 16011  			break
 16012  		}
 16013  		sc := auxIntToInt64(s.AuxInt)
 16014  		x := s.Args[0]
 16015  		if !(s.Uses == 1 && sc > bfc.lsb() && sc < bfc.lsb()+bfc.width()) {
 16016  			break
 16017  		}
 16018  		v.reset(OpARM64SBFIZ)
 16019  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.lsb(), bfc.width()-(sc-bfc.lsb())))
 16020  		v.AddArg(x)
 16021  		return true
 16022  	}
 16023  	return false
 16024  }
 16025  func rewriteValueARM64_OpARM64SLL(v *Value) bool {
 16026  	v_1 := v.Args[1]
 16027  	v_0 := v.Args[0]
 16028  	// match: (SLL x (MOVDconst [c]))
 16029  	// result: (SLLconst x [c&63])
 16030  	for {
 16031  		x := v_0
 16032  		if v_1.Op != OpARM64MOVDconst {
 16033  			break
 16034  		}
 16035  		c := auxIntToInt64(v_1.AuxInt)
 16036  		v.reset(OpARM64SLLconst)
 16037  		v.AuxInt = int64ToAuxInt(c & 63)
 16038  		v.AddArg(x)
 16039  		return true
 16040  	}
 16041  	// match: (SLL x (ANDconst [63] y))
 16042  	// result: (SLL x y)
 16043  	for {
 16044  		x := v_0
 16045  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 16046  			break
 16047  		}
 16048  		y := v_1.Args[0]
 16049  		v.reset(OpARM64SLL)
 16050  		v.AddArg2(x, y)
 16051  		return true
 16052  	}
 16053  	return false
 16054  }
 16055  func rewriteValueARM64_OpARM64SLLconst(v *Value) bool {
 16056  	v_0 := v.Args[0]
 16057  	// match: (SLLconst [c] (MOVDconst [d]))
 16058  	// result: (MOVDconst [d<<uint64(c)])
 16059  	for {
 16060  		c := auxIntToInt64(v.AuxInt)
 16061  		if v_0.Op != OpARM64MOVDconst {
 16062  			break
 16063  		}
 16064  		d := auxIntToInt64(v_0.AuxInt)
 16065  		v.reset(OpARM64MOVDconst)
 16066  		v.AuxInt = int64ToAuxInt(d << uint64(c))
 16067  		return true
 16068  	}
 16069  	// match: (SLLconst [c] (SRLconst [c] x))
 16070  	// cond: 0 < c && c < 64
 16071  	// result: (ANDconst [^(1<<uint(c)-1)] x)
 16072  	for {
 16073  		c := auxIntToInt64(v.AuxInt)
 16074  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 16075  			break
 16076  		}
 16077  		x := v_0.Args[0]
 16078  		if !(0 < c && c < 64) {
 16079  			break
 16080  		}
 16081  		v.reset(OpARM64ANDconst)
 16082  		v.AuxInt = int64ToAuxInt(^(1<<uint(c) - 1))
 16083  		v.AddArg(x)
 16084  		return true
 16085  	}
 16086  	// match: (SLLconst [lc] (MOVWreg x))
 16087  	// result: (SBFIZ [armBFAuxInt(lc, min(32, 64-lc))] x)
 16088  	for {
 16089  		lc := auxIntToInt64(v.AuxInt)
 16090  		if v_0.Op != OpARM64MOVWreg {
 16091  			break
 16092  		}
 16093  		x := v_0.Args[0]
 16094  		v.reset(OpARM64SBFIZ)
 16095  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(32, 64-lc)))
 16096  		v.AddArg(x)
 16097  		return true
 16098  	}
 16099  	// match: (SLLconst [lc] (MOVHreg x))
 16100  	// result: (SBFIZ [armBFAuxInt(lc, min(16, 64-lc))] x)
 16101  	for {
 16102  		lc := auxIntToInt64(v.AuxInt)
 16103  		if v_0.Op != OpARM64MOVHreg {
 16104  			break
 16105  		}
 16106  		x := v_0.Args[0]
 16107  		v.reset(OpARM64SBFIZ)
 16108  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(16, 64-lc)))
 16109  		v.AddArg(x)
 16110  		return true
 16111  	}
 16112  	// match: (SLLconst [lc] (MOVBreg x))
 16113  	// result: (SBFIZ [armBFAuxInt(lc, min(8, 64-lc))] x)
 16114  	for {
 16115  		lc := auxIntToInt64(v.AuxInt)
 16116  		if v_0.Op != OpARM64MOVBreg {
 16117  			break
 16118  		}
 16119  		x := v_0.Args[0]
 16120  		v.reset(OpARM64SBFIZ)
 16121  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(8, 64-lc)))
 16122  		v.AddArg(x)
 16123  		return true
 16124  	}
 16125  	// match: (SLLconst [lc] (MOVWUreg x))
 16126  	// result: (UBFIZ [armBFAuxInt(lc, min(32, 64-lc))] x)
 16127  	for {
 16128  		lc := auxIntToInt64(v.AuxInt)
 16129  		if v_0.Op != OpARM64MOVWUreg {
 16130  			break
 16131  		}
 16132  		x := v_0.Args[0]
 16133  		v.reset(OpARM64UBFIZ)
 16134  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(32, 64-lc)))
 16135  		v.AddArg(x)
 16136  		return true
 16137  	}
 16138  	// match: (SLLconst [lc] (MOVHUreg x))
 16139  	// result: (UBFIZ [armBFAuxInt(lc, min(16, 64-lc))] x)
 16140  	for {
 16141  		lc := auxIntToInt64(v.AuxInt)
 16142  		if v_0.Op != OpARM64MOVHUreg {
 16143  			break
 16144  		}
 16145  		x := v_0.Args[0]
 16146  		v.reset(OpARM64UBFIZ)
 16147  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(16, 64-lc)))
 16148  		v.AddArg(x)
 16149  		return true
 16150  	}
 16151  	// match: (SLLconst [lc] (MOVBUreg x))
 16152  	// result: (UBFIZ [armBFAuxInt(lc, min(8, 64-lc))] x)
 16153  	for {
 16154  		lc := auxIntToInt64(v.AuxInt)
 16155  		if v_0.Op != OpARM64MOVBUreg {
 16156  			break
 16157  		}
 16158  		x := v_0.Args[0]
 16159  		v.reset(OpARM64UBFIZ)
 16160  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(8, 64-lc)))
 16161  		v.AddArg(x)
 16162  		return true
 16163  	}
 16164  	// match: (SLLconst [sc] (ANDconst [ac] x))
 16165  	// cond: isARM64BFMask(sc, ac, 0)
 16166  	// result: (UBFIZ [armBFAuxInt(sc, arm64BFWidth(ac, 0))] x)
 16167  	for {
 16168  		sc := auxIntToInt64(v.AuxInt)
 16169  		if v_0.Op != OpARM64ANDconst {
 16170  			break
 16171  		}
 16172  		ac := auxIntToInt64(v_0.AuxInt)
 16173  		x := v_0.Args[0]
 16174  		if !(isARM64BFMask(sc, ac, 0)) {
 16175  			break
 16176  		}
 16177  		v.reset(OpARM64UBFIZ)
 16178  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, 0)))
 16179  		v.AddArg(x)
 16180  		return true
 16181  	}
 16182  	// match: (SLLconst [sc] (UBFIZ [bfc] x))
 16183  	// cond: sc+bfc.width()+bfc.lsb() < 64
 16184  	// result: (UBFIZ [armBFAuxInt(bfc.lsb()+sc, bfc.width())] x)
 16185  	for {
 16186  		sc := auxIntToInt64(v.AuxInt)
 16187  		if v_0.Op != OpARM64UBFIZ {
 16188  			break
 16189  		}
 16190  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16191  		x := v_0.Args[0]
 16192  		if !(sc+bfc.width()+bfc.lsb() < 64) {
 16193  			break
 16194  		}
 16195  		v.reset(OpARM64UBFIZ)
 16196  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()+sc, bfc.width()))
 16197  		v.AddArg(x)
 16198  		return true
 16199  	}
 16200  	return false
 16201  }
 16202  func rewriteValueARM64_OpARM64SRA(v *Value) bool {
 16203  	v_1 := v.Args[1]
 16204  	v_0 := v.Args[0]
 16205  	// match: (SRA x (MOVDconst [c]))
 16206  	// result: (SRAconst x [c&63])
 16207  	for {
 16208  		x := v_0
 16209  		if v_1.Op != OpARM64MOVDconst {
 16210  			break
 16211  		}
 16212  		c := auxIntToInt64(v_1.AuxInt)
 16213  		v.reset(OpARM64SRAconst)
 16214  		v.AuxInt = int64ToAuxInt(c & 63)
 16215  		v.AddArg(x)
 16216  		return true
 16217  	}
 16218  	// match: (SRA x (ANDconst [63] y))
 16219  	// result: (SRA x y)
 16220  	for {
 16221  		x := v_0
 16222  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 16223  			break
 16224  		}
 16225  		y := v_1.Args[0]
 16226  		v.reset(OpARM64SRA)
 16227  		v.AddArg2(x, y)
 16228  		return true
 16229  	}
 16230  	return false
 16231  }
 16232  func rewriteValueARM64_OpARM64SRAconst(v *Value) bool {
 16233  	v_0 := v.Args[0]
 16234  	// match: (SRAconst [c] (MOVDconst [d]))
 16235  	// result: (MOVDconst [d>>uint64(c)])
 16236  	for {
 16237  		c := auxIntToInt64(v.AuxInt)
 16238  		if v_0.Op != OpARM64MOVDconst {
 16239  			break
 16240  		}
 16241  		d := auxIntToInt64(v_0.AuxInt)
 16242  		v.reset(OpARM64MOVDconst)
 16243  		v.AuxInt = int64ToAuxInt(d >> uint64(c))
 16244  		return true
 16245  	}
 16246  	// match: (SRAconst [rc] (SLLconst [lc] x))
 16247  	// cond: lc > rc
 16248  	// result: (SBFIZ [armBFAuxInt(lc-rc, 64-lc)] x)
 16249  	for {
 16250  		rc := auxIntToInt64(v.AuxInt)
 16251  		if v_0.Op != OpARM64SLLconst {
 16252  			break
 16253  		}
 16254  		lc := auxIntToInt64(v_0.AuxInt)
 16255  		x := v_0.Args[0]
 16256  		if !(lc > rc) {
 16257  			break
 16258  		}
 16259  		v.reset(OpARM64SBFIZ)
 16260  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 16261  		v.AddArg(x)
 16262  		return true
 16263  	}
 16264  	// match: (SRAconst [rc] (SLLconst [lc] x))
 16265  	// cond: lc <= rc
 16266  	// result: (SBFX [armBFAuxInt(rc-lc, 64-rc)] x)
 16267  	for {
 16268  		rc := auxIntToInt64(v.AuxInt)
 16269  		if v_0.Op != OpARM64SLLconst {
 16270  			break
 16271  		}
 16272  		lc := auxIntToInt64(v_0.AuxInt)
 16273  		x := v_0.Args[0]
 16274  		if !(lc <= rc) {
 16275  			break
 16276  		}
 16277  		v.reset(OpARM64SBFX)
 16278  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 16279  		v.AddArg(x)
 16280  		return true
 16281  	}
 16282  	// match: (SRAconst [rc] (MOVWreg x))
 16283  	// cond: rc < 32
 16284  	// result: (SBFX [armBFAuxInt(rc, 32-rc)] x)
 16285  	for {
 16286  		rc := auxIntToInt64(v.AuxInt)
 16287  		if v_0.Op != OpARM64MOVWreg {
 16288  			break
 16289  		}
 16290  		x := v_0.Args[0]
 16291  		if !(rc < 32) {
 16292  			break
 16293  		}
 16294  		v.reset(OpARM64SBFX)
 16295  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32-rc))
 16296  		v.AddArg(x)
 16297  		return true
 16298  	}
 16299  	// match: (SRAconst [rc] (MOVHreg x))
 16300  	// cond: rc < 16
 16301  	// result: (SBFX [armBFAuxInt(rc, 16-rc)] x)
 16302  	for {
 16303  		rc := auxIntToInt64(v.AuxInt)
 16304  		if v_0.Op != OpARM64MOVHreg {
 16305  			break
 16306  		}
 16307  		x := v_0.Args[0]
 16308  		if !(rc < 16) {
 16309  			break
 16310  		}
 16311  		v.reset(OpARM64SBFX)
 16312  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16-rc))
 16313  		v.AddArg(x)
 16314  		return true
 16315  	}
 16316  	// match: (SRAconst [rc] (MOVBreg x))
 16317  	// cond: rc < 8
 16318  	// result: (SBFX [armBFAuxInt(rc, 8-rc)] x)
 16319  	for {
 16320  		rc := auxIntToInt64(v.AuxInt)
 16321  		if v_0.Op != OpARM64MOVBreg {
 16322  			break
 16323  		}
 16324  		x := v_0.Args[0]
 16325  		if !(rc < 8) {
 16326  			break
 16327  		}
 16328  		v.reset(OpARM64SBFX)
 16329  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8-rc))
 16330  		v.AddArg(x)
 16331  		return true
 16332  	}
 16333  	// match: (SRAconst [sc] (SBFIZ [bfc] x))
 16334  	// cond: sc < bfc.lsb()
 16335  	// result: (SBFIZ [armBFAuxInt(bfc.lsb()-sc, bfc.width())] x)
 16336  	for {
 16337  		sc := auxIntToInt64(v.AuxInt)
 16338  		if v_0.Op != OpARM64SBFIZ {
 16339  			break
 16340  		}
 16341  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16342  		x := v_0.Args[0]
 16343  		if !(sc < bfc.lsb()) {
 16344  			break
 16345  		}
 16346  		v.reset(OpARM64SBFIZ)
 16347  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()-sc, bfc.width()))
 16348  		v.AddArg(x)
 16349  		return true
 16350  	}
 16351  	// match: (SRAconst [sc] (SBFIZ [bfc] x))
 16352  	// cond: sc >= bfc.lsb() && sc < bfc.lsb()+bfc.width()
 16353  	// result: (SBFX [armBFAuxInt(sc-bfc.lsb(), bfc.lsb()+bfc.width()-sc)] x)
 16354  	for {
 16355  		sc := auxIntToInt64(v.AuxInt)
 16356  		if v_0.Op != OpARM64SBFIZ {
 16357  			break
 16358  		}
 16359  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16360  		x := v_0.Args[0]
 16361  		if !(sc >= bfc.lsb() && sc < bfc.lsb()+bfc.width()) {
 16362  			break
 16363  		}
 16364  		v.reset(OpARM64SBFX)
 16365  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.lsb(), bfc.lsb()+bfc.width()-sc))
 16366  		v.AddArg(x)
 16367  		return true
 16368  	}
 16369  	return false
 16370  }
 16371  func rewriteValueARM64_OpARM64SRL(v *Value) bool {
 16372  	v_1 := v.Args[1]
 16373  	v_0 := v.Args[0]
 16374  	// match: (SRL x (MOVDconst [c]))
 16375  	// result: (SRLconst x [c&63])
 16376  	for {
 16377  		x := v_0
 16378  		if v_1.Op != OpARM64MOVDconst {
 16379  			break
 16380  		}
 16381  		c := auxIntToInt64(v_1.AuxInt)
 16382  		v.reset(OpARM64SRLconst)
 16383  		v.AuxInt = int64ToAuxInt(c & 63)
 16384  		v.AddArg(x)
 16385  		return true
 16386  	}
 16387  	// match: (SRL x (ANDconst [63] y))
 16388  	// result: (SRL x y)
 16389  	for {
 16390  		x := v_0
 16391  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 16392  			break
 16393  		}
 16394  		y := v_1.Args[0]
 16395  		v.reset(OpARM64SRL)
 16396  		v.AddArg2(x, y)
 16397  		return true
 16398  	}
 16399  	return false
 16400  }
 16401  func rewriteValueARM64_OpARM64SRLconst(v *Value) bool {
 16402  	v_0 := v.Args[0]
 16403  	// match: (SRLconst [c] (MOVDconst [d]))
 16404  	// result: (MOVDconst [int64(uint64(d)>>uint64(c))])
 16405  	for {
 16406  		c := auxIntToInt64(v.AuxInt)
 16407  		if v_0.Op != OpARM64MOVDconst {
 16408  			break
 16409  		}
 16410  		d := auxIntToInt64(v_0.AuxInt)
 16411  		v.reset(OpARM64MOVDconst)
 16412  		v.AuxInt = int64ToAuxInt(int64(uint64(d) >> uint64(c)))
 16413  		return true
 16414  	}
 16415  	// match: (SRLconst [c] (SLLconst [c] x))
 16416  	// cond: 0 < c && c < 64
 16417  	// result: (ANDconst [1<<uint(64-c)-1] x)
 16418  	for {
 16419  		c := auxIntToInt64(v.AuxInt)
 16420  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 16421  			break
 16422  		}
 16423  		x := v_0.Args[0]
 16424  		if !(0 < c && c < 64) {
 16425  			break
 16426  		}
 16427  		v.reset(OpARM64ANDconst)
 16428  		v.AuxInt = int64ToAuxInt(1<<uint(64-c) - 1)
 16429  		v.AddArg(x)
 16430  		return true
 16431  	}
 16432  	// match: (SRLconst [rc] (MOVWUreg x))
 16433  	// cond: rc >= 32
 16434  	// result: (MOVDconst [0])
 16435  	for {
 16436  		rc := auxIntToInt64(v.AuxInt)
 16437  		if v_0.Op != OpARM64MOVWUreg {
 16438  			break
 16439  		}
 16440  		if !(rc >= 32) {
 16441  			break
 16442  		}
 16443  		v.reset(OpARM64MOVDconst)
 16444  		v.AuxInt = int64ToAuxInt(0)
 16445  		return true
 16446  	}
 16447  	// match: (SRLconst [rc] (MOVHUreg x))
 16448  	// cond: rc >= 16
 16449  	// result: (MOVDconst [0])
 16450  	for {
 16451  		rc := auxIntToInt64(v.AuxInt)
 16452  		if v_0.Op != OpARM64MOVHUreg {
 16453  			break
 16454  		}
 16455  		if !(rc >= 16) {
 16456  			break
 16457  		}
 16458  		v.reset(OpARM64MOVDconst)
 16459  		v.AuxInt = int64ToAuxInt(0)
 16460  		return true
 16461  	}
 16462  	// match: (SRLconst [rc] (MOVBUreg x))
 16463  	// cond: rc >= 8
 16464  	// result: (MOVDconst [0])
 16465  	for {
 16466  		rc := auxIntToInt64(v.AuxInt)
 16467  		if v_0.Op != OpARM64MOVBUreg {
 16468  			break
 16469  		}
 16470  		if !(rc >= 8) {
 16471  			break
 16472  		}
 16473  		v.reset(OpARM64MOVDconst)
 16474  		v.AuxInt = int64ToAuxInt(0)
 16475  		return true
 16476  	}
 16477  	// match: (SRLconst [rc] (SLLconst [lc] x))
 16478  	// cond: lc > rc
 16479  	// result: (UBFIZ [armBFAuxInt(lc-rc, 64-lc)] x)
 16480  	for {
 16481  		rc := auxIntToInt64(v.AuxInt)
 16482  		if v_0.Op != OpARM64SLLconst {
 16483  			break
 16484  		}
 16485  		lc := auxIntToInt64(v_0.AuxInt)
 16486  		x := v_0.Args[0]
 16487  		if !(lc > rc) {
 16488  			break
 16489  		}
 16490  		v.reset(OpARM64UBFIZ)
 16491  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 16492  		v.AddArg(x)
 16493  		return true
 16494  	}
 16495  	// match: (SRLconst [rc] (SLLconst [lc] x))
 16496  	// cond: lc < rc
 16497  	// result: (UBFX [armBFAuxInt(rc-lc, 64-rc)] x)
 16498  	for {
 16499  		rc := auxIntToInt64(v.AuxInt)
 16500  		if v_0.Op != OpARM64SLLconst {
 16501  			break
 16502  		}
 16503  		lc := auxIntToInt64(v_0.AuxInt)
 16504  		x := v_0.Args[0]
 16505  		if !(lc < rc) {
 16506  			break
 16507  		}
 16508  		v.reset(OpARM64UBFX)
 16509  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 16510  		v.AddArg(x)
 16511  		return true
 16512  	}
 16513  	// match: (SRLconst [rc] (MOVWUreg x))
 16514  	// cond: rc < 32
 16515  	// result: (UBFX [armBFAuxInt(rc, 32-rc)] x)
 16516  	for {
 16517  		rc := auxIntToInt64(v.AuxInt)
 16518  		if v_0.Op != OpARM64MOVWUreg {
 16519  			break
 16520  		}
 16521  		x := v_0.Args[0]
 16522  		if !(rc < 32) {
 16523  			break
 16524  		}
 16525  		v.reset(OpARM64UBFX)
 16526  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32-rc))
 16527  		v.AddArg(x)
 16528  		return true
 16529  	}
 16530  	// match: (SRLconst [rc] (MOVHUreg x))
 16531  	// cond: rc < 16
 16532  	// result: (UBFX [armBFAuxInt(rc, 16-rc)] x)
 16533  	for {
 16534  		rc := auxIntToInt64(v.AuxInt)
 16535  		if v_0.Op != OpARM64MOVHUreg {
 16536  			break
 16537  		}
 16538  		x := v_0.Args[0]
 16539  		if !(rc < 16) {
 16540  			break
 16541  		}
 16542  		v.reset(OpARM64UBFX)
 16543  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16-rc))
 16544  		v.AddArg(x)
 16545  		return true
 16546  	}
 16547  	// match: (SRLconst [rc] (MOVBUreg x))
 16548  	// cond: rc < 8
 16549  	// result: (UBFX [armBFAuxInt(rc, 8-rc)] x)
 16550  	for {
 16551  		rc := auxIntToInt64(v.AuxInt)
 16552  		if v_0.Op != OpARM64MOVBUreg {
 16553  			break
 16554  		}
 16555  		x := v_0.Args[0]
 16556  		if !(rc < 8) {
 16557  			break
 16558  		}
 16559  		v.reset(OpARM64UBFX)
 16560  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8-rc))
 16561  		v.AddArg(x)
 16562  		return true
 16563  	}
 16564  	// match: (SRLconst [sc] (ANDconst [ac] x))
 16565  	// cond: isARM64BFMask(sc, ac, sc)
 16566  	// result: (UBFX [armBFAuxInt(sc, arm64BFWidth(ac, sc))] x)
 16567  	for {
 16568  		sc := auxIntToInt64(v.AuxInt)
 16569  		if v_0.Op != OpARM64ANDconst {
 16570  			break
 16571  		}
 16572  		ac := auxIntToInt64(v_0.AuxInt)
 16573  		x := v_0.Args[0]
 16574  		if !(isARM64BFMask(sc, ac, sc)) {
 16575  			break
 16576  		}
 16577  		v.reset(OpARM64UBFX)
 16578  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, sc)))
 16579  		v.AddArg(x)
 16580  		return true
 16581  	}
 16582  	// match: (SRLconst [sc] (UBFX [bfc] x))
 16583  	// cond: sc < bfc.width()
 16584  	// result: (UBFX [armBFAuxInt(bfc.lsb()+sc, bfc.width()-sc)] x)
 16585  	for {
 16586  		sc := auxIntToInt64(v.AuxInt)
 16587  		if v_0.Op != OpARM64UBFX {
 16588  			break
 16589  		}
 16590  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16591  		x := v_0.Args[0]
 16592  		if !(sc < bfc.width()) {
 16593  			break
 16594  		}
 16595  		v.reset(OpARM64UBFX)
 16596  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()+sc, bfc.width()-sc))
 16597  		v.AddArg(x)
 16598  		return true
 16599  	}
 16600  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16601  	// cond: sc == bfc.lsb()
 16602  	// result: (ANDconst [1<<uint(bfc.width())-1] x)
 16603  	for {
 16604  		sc := auxIntToInt64(v.AuxInt)
 16605  		if v_0.Op != OpARM64UBFIZ {
 16606  			break
 16607  		}
 16608  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16609  		x := v_0.Args[0]
 16610  		if !(sc == bfc.lsb()) {
 16611  			break
 16612  		}
 16613  		v.reset(OpARM64ANDconst)
 16614  		v.AuxInt = int64ToAuxInt(1<<uint(bfc.width()) - 1)
 16615  		v.AddArg(x)
 16616  		return true
 16617  	}
 16618  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16619  	// cond: sc < bfc.lsb()
 16620  	// result: (UBFIZ [armBFAuxInt(bfc.lsb()-sc, bfc.width())] x)
 16621  	for {
 16622  		sc := auxIntToInt64(v.AuxInt)
 16623  		if v_0.Op != OpARM64UBFIZ {
 16624  			break
 16625  		}
 16626  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16627  		x := v_0.Args[0]
 16628  		if !(sc < bfc.lsb()) {
 16629  			break
 16630  		}
 16631  		v.reset(OpARM64UBFIZ)
 16632  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()-sc, bfc.width()))
 16633  		v.AddArg(x)
 16634  		return true
 16635  	}
 16636  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16637  	// cond: sc > bfc.lsb() && sc < bfc.lsb()+bfc.width()
 16638  	// result: (UBFX [armBFAuxInt(sc-bfc.lsb(), bfc.lsb()+bfc.width()-sc)] x)
 16639  	for {
 16640  		sc := auxIntToInt64(v.AuxInt)
 16641  		if v_0.Op != OpARM64UBFIZ {
 16642  			break
 16643  		}
 16644  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16645  		x := v_0.Args[0]
 16646  		if !(sc > bfc.lsb() && sc < bfc.lsb()+bfc.width()) {
 16647  			break
 16648  		}
 16649  		v.reset(OpARM64UBFX)
 16650  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.lsb(), bfc.lsb()+bfc.width()-sc))
 16651  		v.AddArg(x)
 16652  		return true
 16653  	}
 16654  	return false
 16655  }
 16656  func rewriteValueARM64_OpARM64STP(v *Value) bool {
 16657  	v_3 := v.Args[3]
 16658  	v_2 := v.Args[2]
 16659  	v_1 := v.Args[1]
 16660  	v_0 := v.Args[0]
 16661  	b := v.Block
 16662  	config := b.Func.Config
 16663  	// match: (STP [off1] {sym} (ADDconst [off2] ptr) val1 val2 mem)
 16664  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 16665  	// result: (STP [off1+int32(off2)] {sym} ptr val1 val2 mem)
 16666  	for {
 16667  		off1 := auxIntToInt32(v.AuxInt)
 16668  		sym := auxToSym(v.Aux)
 16669  		if v_0.Op != OpARM64ADDconst {
 16670  			break
 16671  		}
 16672  		off2 := auxIntToInt64(v_0.AuxInt)
 16673  		ptr := v_0.Args[0]
 16674  		val1 := v_1
 16675  		val2 := v_2
 16676  		mem := v_3
 16677  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 16678  			break
 16679  		}
 16680  		v.reset(OpARM64STP)
 16681  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 16682  		v.Aux = symToAux(sym)
 16683  		v.AddArg4(ptr, val1, val2, mem)
 16684  		return true
 16685  	}
 16686  	// match: (STP [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val1 val2 mem)
 16687  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 16688  	// result: (STP [off1+off2] {mergeSym(sym1,sym2)} ptr val1 val2 mem)
 16689  	for {
 16690  		off1 := auxIntToInt32(v.AuxInt)
 16691  		sym1 := auxToSym(v.Aux)
 16692  		if v_0.Op != OpARM64MOVDaddr {
 16693  			break
 16694  		}
 16695  		off2 := auxIntToInt32(v_0.AuxInt)
 16696  		sym2 := auxToSym(v_0.Aux)
 16697  		ptr := v_0.Args[0]
 16698  		val1 := v_1
 16699  		val2 := v_2
 16700  		mem := v_3
 16701  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 16702  			break
 16703  		}
 16704  		v.reset(OpARM64STP)
 16705  		v.AuxInt = int32ToAuxInt(off1 + off2)
 16706  		v.Aux = symToAux(mergeSym(sym1, sym2))
 16707  		v.AddArg4(ptr, val1, val2, mem)
 16708  		return true
 16709  	}
 16710  	return false
 16711  }
 16712  func rewriteValueARM64_OpARM64SUB(v *Value) bool {
 16713  	v_1 := v.Args[1]
 16714  	v_0 := v.Args[0]
 16715  	b := v.Block
 16716  	// match: (SUB x (MOVDconst [c]))
 16717  	// result: (SUBconst [c] x)
 16718  	for {
 16719  		x := v_0
 16720  		if v_1.Op != OpARM64MOVDconst {
 16721  			break
 16722  		}
 16723  		c := auxIntToInt64(v_1.AuxInt)
 16724  		v.reset(OpARM64SUBconst)
 16725  		v.AuxInt = int64ToAuxInt(c)
 16726  		v.AddArg(x)
 16727  		return true
 16728  	}
 16729  	// match: (SUB a l:(MUL x y))
 16730  	// cond: l.Uses==1 && clobber(l)
 16731  	// result: (MSUB a x y)
 16732  	for {
 16733  		a := v_0
 16734  		l := v_1
 16735  		if l.Op != OpARM64MUL {
 16736  			break
 16737  		}
 16738  		y := l.Args[1]
 16739  		x := l.Args[0]
 16740  		if !(l.Uses == 1 && clobber(l)) {
 16741  			break
 16742  		}
 16743  		v.reset(OpARM64MSUB)
 16744  		v.AddArg3(a, x, y)
 16745  		return true
 16746  	}
 16747  	// match: (SUB a l:(MNEG x y))
 16748  	// cond: l.Uses==1 && clobber(l)
 16749  	// result: (MADD a x y)
 16750  	for {
 16751  		a := v_0
 16752  		l := v_1
 16753  		if l.Op != OpARM64MNEG {
 16754  			break
 16755  		}
 16756  		y := l.Args[1]
 16757  		x := l.Args[0]
 16758  		if !(l.Uses == 1 && clobber(l)) {
 16759  			break
 16760  		}
 16761  		v.reset(OpARM64MADD)
 16762  		v.AddArg3(a, x, y)
 16763  		return true
 16764  	}
 16765  	// match: (SUB a l:(MULW x y))
 16766  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
 16767  	// result: (MSUBW a x y)
 16768  	for {
 16769  		a := v_0
 16770  		l := v_1
 16771  		if l.Op != OpARM64MULW {
 16772  			break
 16773  		}
 16774  		y := l.Args[1]
 16775  		x := l.Args[0]
 16776  		if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
 16777  			break
 16778  		}
 16779  		v.reset(OpARM64MSUBW)
 16780  		v.AddArg3(a, x, y)
 16781  		return true
 16782  	}
 16783  	// match: (SUB a l:(MNEGW x y))
 16784  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
 16785  	// result: (MADDW a x y)
 16786  	for {
 16787  		a := v_0
 16788  		l := v_1
 16789  		if l.Op != OpARM64MNEGW {
 16790  			break
 16791  		}
 16792  		y := l.Args[1]
 16793  		x := l.Args[0]
 16794  		if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
 16795  			break
 16796  		}
 16797  		v.reset(OpARM64MADDW)
 16798  		v.AddArg3(a, x, y)
 16799  		return true
 16800  	}
 16801  	// match: (SUB <t> a p:(ADDconst [c] m:(MUL _ _)))
 16802  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16803  	// result: (SUBconst [c] (SUB <v.Type> a m))
 16804  	for {
 16805  		t := v.Type
 16806  		a := v_0
 16807  		p := v_1
 16808  		if p.Op != OpARM64ADDconst {
 16809  			break
 16810  		}
 16811  		c := auxIntToInt64(p.AuxInt)
 16812  		m := p.Args[0]
 16813  		if m.Op != OpARM64MUL || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16814  			break
 16815  		}
 16816  		v.reset(OpARM64SUBconst)
 16817  		v.AuxInt = int64ToAuxInt(c)
 16818  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16819  		v0.AddArg2(a, m)
 16820  		v.AddArg(v0)
 16821  		return true
 16822  	}
 16823  	// match: (SUB <t> a p:(ADDconst [c] m:(MULW _ _)))
 16824  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16825  	// result: (SUBconst [c] (SUB <v.Type> a m))
 16826  	for {
 16827  		t := v.Type
 16828  		a := v_0
 16829  		p := v_1
 16830  		if p.Op != OpARM64ADDconst {
 16831  			break
 16832  		}
 16833  		c := auxIntToInt64(p.AuxInt)
 16834  		m := p.Args[0]
 16835  		if m.Op != OpARM64MULW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16836  			break
 16837  		}
 16838  		v.reset(OpARM64SUBconst)
 16839  		v.AuxInt = int64ToAuxInt(c)
 16840  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16841  		v0.AddArg2(a, m)
 16842  		v.AddArg(v0)
 16843  		return true
 16844  	}
 16845  	// match: (SUB <t> a p:(ADDconst [c] m:(MNEG _ _)))
 16846  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16847  	// result: (SUBconst [c] (SUB <v.Type> a m))
 16848  	for {
 16849  		t := v.Type
 16850  		a := v_0
 16851  		p := v_1
 16852  		if p.Op != OpARM64ADDconst {
 16853  			break
 16854  		}
 16855  		c := auxIntToInt64(p.AuxInt)
 16856  		m := p.Args[0]
 16857  		if m.Op != OpARM64MNEG || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16858  			break
 16859  		}
 16860  		v.reset(OpARM64SUBconst)
 16861  		v.AuxInt = int64ToAuxInt(c)
 16862  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16863  		v0.AddArg2(a, m)
 16864  		v.AddArg(v0)
 16865  		return true
 16866  	}
 16867  	// match: (SUB <t> a p:(ADDconst [c] m:(MNEGW _ _)))
 16868  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16869  	// result: (SUBconst [c] (SUB <v.Type> a m))
 16870  	for {
 16871  		t := v.Type
 16872  		a := v_0
 16873  		p := v_1
 16874  		if p.Op != OpARM64ADDconst {
 16875  			break
 16876  		}
 16877  		c := auxIntToInt64(p.AuxInt)
 16878  		m := p.Args[0]
 16879  		if m.Op != OpARM64MNEGW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16880  			break
 16881  		}
 16882  		v.reset(OpARM64SUBconst)
 16883  		v.AuxInt = int64ToAuxInt(c)
 16884  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16885  		v0.AddArg2(a, m)
 16886  		v.AddArg(v0)
 16887  		return true
 16888  	}
 16889  	// match: (SUB <t> a p:(SUBconst [c] m:(MUL _ _)))
 16890  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16891  	// result: (ADDconst [c] (SUB <v.Type> a m))
 16892  	for {
 16893  		t := v.Type
 16894  		a := v_0
 16895  		p := v_1
 16896  		if p.Op != OpARM64SUBconst {
 16897  			break
 16898  		}
 16899  		c := auxIntToInt64(p.AuxInt)
 16900  		m := p.Args[0]
 16901  		if m.Op != OpARM64MUL || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16902  			break
 16903  		}
 16904  		v.reset(OpARM64ADDconst)
 16905  		v.AuxInt = int64ToAuxInt(c)
 16906  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16907  		v0.AddArg2(a, m)
 16908  		v.AddArg(v0)
 16909  		return true
 16910  	}
 16911  	// match: (SUB <t> a p:(SUBconst [c] m:(MULW _ _)))
 16912  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16913  	// result: (ADDconst [c] (SUB <v.Type> a m))
 16914  	for {
 16915  		t := v.Type
 16916  		a := v_0
 16917  		p := v_1
 16918  		if p.Op != OpARM64SUBconst {
 16919  			break
 16920  		}
 16921  		c := auxIntToInt64(p.AuxInt)
 16922  		m := p.Args[0]
 16923  		if m.Op != OpARM64MULW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16924  			break
 16925  		}
 16926  		v.reset(OpARM64ADDconst)
 16927  		v.AuxInt = int64ToAuxInt(c)
 16928  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16929  		v0.AddArg2(a, m)
 16930  		v.AddArg(v0)
 16931  		return true
 16932  	}
 16933  	// match: (SUB <t> a p:(SUBconst [c] m:(MNEG _ _)))
 16934  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16935  	// result: (ADDconst [c] (SUB <v.Type> a m))
 16936  	for {
 16937  		t := v.Type
 16938  		a := v_0
 16939  		p := v_1
 16940  		if p.Op != OpARM64SUBconst {
 16941  			break
 16942  		}
 16943  		c := auxIntToInt64(p.AuxInt)
 16944  		m := p.Args[0]
 16945  		if m.Op != OpARM64MNEG || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16946  			break
 16947  		}
 16948  		v.reset(OpARM64ADDconst)
 16949  		v.AuxInt = int64ToAuxInt(c)
 16950  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16951  		v0.AddArg2(a, m)
 16952  		v.AddArg(v0)
 16953  		return true
 16954  	}
 16955  	// match: (SUB <t> a p:(SUBconst [c] m:(MNEGW _ _)))
 16956  	// cond: p.Uses==1 && m.Uses==1 && !t.IsPtrShaped()
 16957  	// result: (ADDconst [c] (SUB <v.Type> a m))
 16958  	for {
 16959  		t := v.Type
 16960  		a := v_0
 16961  		p := v_1
 16962  		if p.Op != OpARM64SUBconst {
 16963  			break
 16964  		}
 16965  		c := auxIntToInt64(p.AuxInt)
 16966  		m := p.Args[0]
 16967  		if m.Op != OpARM64MNEGW || !(p.Uses == 1 && m.Uses == 1 && !t.IsPtrShaped()) {
 16968  			break
 16969  		}
 16970  		v.reset(OpARM64ADDconst)
 16971  		v.AuxInt = int64ToAuxInt(c)
 16972  		v0 := b.NewValue0(v.Pos, OpARM64SUB, v.Type)
 16973  		v0.AddArg2(a, m)
 16974  		v.AddArg(v0)
 16975  		return true
 16976  	}
 16977  	// match: (SUB x (NEG y))
 16978  	// result: (ADD x y)
 16979  	for {
 16980  		x := v_0
 16981  		if v_1.Op != OpARM64NEG {
 16982  			break
 16983  		}
 16984  		y := v_1.Args[0]
 16985  		v.reset(OpARM64ADD)
 16986  		v.AddArg2(x, y)
 16987  		return true
 16988  	}
 16989  	// match: (SUB x x)
 16990  	// result: (MOVDconst [0])
 16991  	for {
 16992  		x := v_0
 16993  		if x != v_1 {
 16994  			break
 16995  		}
 16996  		v.reset(OpARM64MOVDconst)
 16997  		v.AuxInt = int64ToAuxInt(0)
 16998  		return true
 16999  	}
 17000  	// match: (SUB x (SUB y z))
 17001  	// result: (SUB (ADD <v.Type> x z) y)
 17002  	for {
 17003  		x := v_0
 17004  		if v_1.Op != OpARM64SUB {
 17005  			break
 17006  		}
 17007  		z := v_1.Args[1]
 17008  		y := v_1.Args[0]
 17009  		v.reset(OpARM64SUB)
 17010  		v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
 17011  		v0.AddArg2(x, z)
 17012  		v.AddArg2(v0, y)
 17013  		return true
 17014  	}
 17015  	// match: (SUB (SUB x y) z)
 17016  	// result: (SUB x (ADD <y.Type> y z))
 17017  	for {
 17018  		if v_0.Op != OpARM64SUB {
 17019  			break
 17020  		}
 17021  		y := v_0.Args[1]
 17022  		x := v_0.Args[0]
 17023  		z := v_1
 17024  		v.reset(OpARM64SUB)
 17025  		v0 := b.NewValue0(v.Pos, OpARM64ADD, y.Type)
 17026  		v0.AddArg2(y, z)
 17027  		v.AddArg2(x, v0)
 17028  		return true
 17029  	}
 17030  	// match: (SUB x0 x1:(SLLconst [c] y))
 17031  	// cond: clobberIfDead(x1)
 17032  	// result: (SUBshiftLL x0 y [c])
 17033  	for {
 17034  		x0 := v_0
 17035  		x1 := v_1
 17036  		if x1.Op != OpARM64SLLconst {
 17037  			break
 17038  		}
 17039  		c := auxIntToInt64(x1.AuxInt)
 17040  		y := x1.Args[0]
 17041  		if !(clobberIfDead(x1)) {
 17042  			break
 17043  		}
 17044  		v.reset(OpARM64SUBshiftLL)
 17045  		v.AuxInt = int64ToAuxInt(c)
 17046  		v.AddArg2(x0, y)
 17047  		return true
 17048  	}
 17049  	// match: (SUB x0 x1:(SRLconst [c] y))
 17050  	// cond: clobberIfDead(x1)
 17051  	// result: (SUBshiftRL x0 y [c])
 17052  	for {
 17053  		x0 := v_0
 17054  		x1 := v_1
 17055  		if x1.Op != OpARM64SRLconst {
 17056  			break
 17057  		}
 17058  		c := auxIntToInt64(x1.AuxInt)
 17059  		y := x1.Args[0]
 17060  		if !(clobberIfDead(x1)) {
 17061  			break
 17062  		}
 17063  		v.reset(OpARM64SUBshiftRL)
 17064  		v.AuxInt = int64ToAuxInt(c)
 17065  		v.AddArg2(x0, y)
 17066  		return true
 17067  	}
 17068  	// match: (SUB x0 x1:(SRAconst [c] y))
 17069  	// cond: clobberIfDead(x1)
 17070  	// result: (SUBshiftRA x0 y [c])
 17071  	for {
 17072  		x0 := v_0
 17073  		x1 := v_1
 17074  		if x1.Op != OpARM64SRAconst {
 17075  			break
 17076  		}
 17077  		c := auxIntToInt64(x1.AuxInt)
 17078  		y := x1.Args[0]
 17079  		if !(clobberIfDead(x1)) {
 17080  			break
 17081  		}
 17082  		v.reset(OpARM64SUBshiftRA)
 17083  		v.AuxInt = int64ToAuxInt(c)
 17084  		v.AddArg2(x0, y)
 17085  		return true
 17086  	}
 17087  	return false
 17088  }
 17089  func rewriteValueARM64_OpARM64SUBconst(v *Value) bool {
 17090  	v_0 := v.Args[0]
 17091  	// match: (SUBconst [0] x)
 17092  	// result: x
 17093  	for {
 17094  		if auxIntToInt64(v.AuxInt) != 0 {
 17095  			break
 17096  		}
 17097  		x := v_0
 17098  		v.copyOf(x)
 17099  		return true
 17100  	}
 17101  	// match: (SUBconst [c] (MOVDconst [d]))
 17102  	// result: (MOVDconst [d-c])
 17103  	for {
 17104  		c := auxIntToInt64(v.AuxInt)
 17105  		if v_0.Op != OpARM64MOVDconst {
 17106  			break
 17107  		}
 17108  		d := auxIntToInt64(v_0.AuxInt)
 17109  		v.reset(OpARM64MOVDconst)
 17110  		v.AuxInt = int64ToAuxInt(d - c)
 17111  		return true
 17112  	}
 17113  	// match: (SUBconst [c] (SUBconst [d] x))
 17114  	// result: (ADDconst [-c-d] x)
 17115  	for {
 17116  		c := auxIntToInt64(v.AuxInt)
 17117  		if v_0.Op != OpARM64SUBconst {
 17118  			break
 17119  		}
 17120  		d := auxIntToInt64(v_0.AuxInt)
 17121  		x := v_0.Args[0]
 17122  		v.reset(OpARM64ADDconst)
 17123  		v.AuxInt = int64ToAuxInt(-c - d)
 17124  		v.AddArg(x)
 17125  		return true
 17126  	}
 17127  	// match: (SUBconst [c] (ADDconst [d] x))
 17128  	// result: (ADDconst [-c+d] x)
 17129  	for {
 17130  		c := auxIntToInt64(v.AuxInt)
 17131  		if v_0.Op != OpARM64ADDconst {
 17132  			break
 17133  		}
 17134  		d := auxIntToInt64(v_0.AuxInt)
 17135  		x := v_0.Args[0]
 17136  		v.reset(OpARM64ADDconst)
 17137  		v.AuxInt = int64ToAuxInt(-c + d)
 17138  		v.AddArg(x)
 17139  		return true
 17140  	}
 17141  	return false
 17142  }
 17143  func rewriteValueARM64_OpARM64SUBshiftLL(v *Value) bool {
 17144  	v_1 := v.Args[1]
 17145  	v_0 := v.Args[0]
 17146  	// match: (SUBshiftLL x (MOVDconst [c]) [d])
 17147  	// result: (SUBconst x [int64(uint64(c)<<uint64(d))])
 17148  	for {
 17149  		d := auxIntToInt64(v.AuxInt)
 17150  		x := v_0
 17151  		if v_1.Op != OpARM64MOVDconst {
 17152  			break
 17153  		}
 17154  		c := auxIntToInt64(v_1.AuxInt)
 17155  		v.reset(OpARM64SUBconst)
 17156  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 17157  		v.AddArg(x)
 17158  		return true
 17159  	}
 17160  	// match: (SUBshiftLL (SLLconst x [c]) x [c])
 17161  	// result: (MOVDconst [0])
 17162  	for {
 17163  		c := auxIntToInt64(v.AuxInt)
 17164  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 17165  			break
 17166  		}
 17167  		x := v_0.Args[0]
 17168  		if x != v_1 {
 17169  			break
 17170  		}
 17171  		v.reset(OpARM64MOVDconst)
 17172  		v.AuxInt = int64ToAuxInt(0)
 17173  		return true
 17174  	}
 17175  	return false
 17176  }
 17177  func rewriteValueARM64_OpARM64SUBshiftRA(v *Value) bool {
 17178  	v_1 := v.Args[1]
 17179  	v_0 := v.Args[0]
 17180  	// match: (SUBshiftRA x (MOVDconst [c]) [d])
 17181  	// result: (SUBconst x [c>>uint64(d)])
 17182  	for {
 17183  		d := auxIntToInt64(v.AuxInt)
 17184  		x := v_0
 17185  		if v_1.Op != OpARM64MOVDconst {
 17186  			break
 17187  		}
 17188  		c := auxIntToInt64(v_1.AuxInt)
 17189  		v.reset(OpARM64SUBconst)
 17190  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 17191  		v.AddArg(x)
 17192  		return true
 17193  	}
 17194  	// match: (SUBshiftRA (SRAconst x [c]) x [c])
 17195  	// result: (MOVDconst [0])
 17196  	for {
 17197  		c := auxIntToInt64(v.AuxInt)
 17198  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 17199  			break
 17200  		}
 17201  		x := v_0.Args[0]
 17202  		if x != v_1 {
 17203  			break
 17204  		}
 17205  		v.reset(OpARM64MOVDconst)
 17206  		v.AuxInt = int64ToAuxInt(0)
 17207  		return true
 17208  	}
 17209  	return false
 17210  }
 17211  func rewriteValueARM64_OpARM64SUBshiftRL(v *Value) bool {
 17212  	v_1 := v.Args[1]
 17213  	v_0 := v.Args[0]
 17214  	// match: (SUBshiftRL x (MOVDconst [c]) [d])
 17215  	// result: (SUBconst x [int64(uint64(c)>>uint64(d))])
 17216  	for {
 17217  		d := auxIntToInt64(v.AuxInt)
 17218  		x := v_0
 17219  		if v_1.Op != OpARM64MOVDconst {
 17220  			break
 17221  		}
 17222  		c := auxIntToInt64(v_1.AuxInt)
 17223  		v.reset(OpARM64SUBconst)
 17224  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 17225  		v.AddArg(x)
 17226  		return true
 17227  	}
 17228  	// match: (SUBshiftRL (SRLconst x [c]) x [c])
 17229  	// result: (MOVDconst [0])
 17230  	for {
 17231  		c := auxIntToInt64(v.AuxInt)
 17232  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 17233  			break
 17234  		}
 17235  		x := v_0.Args[0]
 17236  		if x != v_1 {
 17237  			break
 17238  		}
 17239  		v.reset(OpARM64MOVDconst)
 17240  		v.AuxInt = int64ToAuxInt(0)
 17241  		return true
 17242  	}
 17243  	return false
 17244  }
 17245  func rewriteValueARM64_OpARM64TST(v *Value) bool {
 17246  	v_1 := v.Args[1]
 17247  	v_0 := v.Args[0]
 17248  	// match: (TST x (MOVDconst [c]))
 17249  	// result: (TSTconst [c] x)
 17250  	for {
 17251  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17252  			x := v_0
 17253  			if v_1.Op != OpARM64MOVDconst {
 17254  				continue
 17255  			}
 17256  			c := auxIntToInt64(v_1.AuxInt)
 17257  			v.reset(OpARM64TSTconst)
 17258  			v.AuxInt = int64ToAuxInt(c)
 17259  			v.AddArg(x)
 17260  			return true
 17261  		}
 17262  		break
 17263  	}
 17264  	// match: (TST x0 x1:(SLLconst [c] y))
 17265  	// cond: clobberIfDead(x1)
 17266  	// result: (TSTshiftLL x0 y [c])
 17267  	for {
 17268  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17269  			x0 := v_0
 17270  			x1 := v_1
 17271  			if x1.Op != OpARM64SLLconst {
 17272  				continue
 17273  			}
 17274  			c := auxIntToInt64(x1.AuxInt)
 17275  			y := x1.Args[0]
 17276  			if !(clobberIfDead(x1)) {
 17277  				continue
 17278  			}
 17279  			v.reset(OpARM64TSTshiftLL)
 17280  			v.AuxInt = int64ToAuxInt(c)
 17281  			v.AddArg2(x0, y)
 17282  			return true
 17283  		}
 17284  		break
 17285  	}
 17286  	// match: (TST x0 x1:(SRLconst [c] y))
 17287  	// cond: clobberIfDead(x1)
 17288  	// result: (TSTshiftRL x0 y [c])
 17289  	for {
 17290  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17291  			x0 := v_0
 17292  			x1 := v_1
 17293  			if x1.Op != OpARM64SRLconst {
 17294  				continue
 17295  			}
 17296  			c := auxIntToInt64(x1.AuxInt)
 17297  			y := x1.Args[0]
 17298  			if !(clobberIfDead(x1)) {
 17299  				continue
 17300  			}
 17301  			v.reset(OpARM64TSTshiftRL)
 17302  			v.AuxInt = int64ToAuxInt(c)
 17303  			v.AddArg2(x0, y)
 17304  			return true
 17305  		}
 17306  		break
 17307  	}
 17308  	// match: (TST x0 x1:(SRAconst [c] y))
 17309  	// cond: clobberIfDead(x1)
 17310  	// result: (TSTshiftRA x0 y [c])
 17311  	for {
 17312  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17313  			x0 := v_0
 17314  			x1 := v_1
 17315  			if x1.Op != OpARM64SRAconst {
 17316  				continue
 17317  			}
 17318  			c := auxIntToInt64(x1.AuxInt)
 17319  			y := x1.Args[0]
 17320  			if !(clobberIfDead(x1)) {
 17321  				continue
 17322  			}
 17323  			v.reset(OpARM64TSTshiftRA)
 17324  			v.AuxInt = int64ToAuxInt(c)
 17325  			v.AddArg2(x0, y)
 17326  			return true
 17327  		}
 17328  		break
 17329  	}
 17330  	// match: (TST x0 x1:(RORconst [c] y))
 17331  	// cond: clobberIfDead(x1)
 17332  	// result: (TSTshiftRO x0 y [c])
 17333  	for {
 17334  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17335  			x0 := v_0
 17336  			x1 := v_1
 17337  			if x1.Op != OpARM64RORconst {
 17338  				continue
 17339  			}
 17340  			c := auxIntToInt64(x1.AuxInt)
 17341  			y := x1.Args[0]
 17342  			if !(clobberIfDead(x1)) {
 17343  				continue
 17344  			}
 17345  			v.reset(OpARM64TSTshiftRO)
 17346  			v.AuxInt = int64ToAuxInt(c)
 17347  			v.AddArg2(x0, y)
 17348  			return true
 17349  		}
 17350  		break
 17351  	}
 17352  	return false
 17353  }
 17354  func rewriteValueARM64_OpARM64TSTW(v *Value) bool {
 17355  	v_1 := v.Args[1]
 17356  	v_0 := v.Args[0]
 17357  	// match: (TSTW x (MOVDconst [c]))
 17358  	// result: (TSTWconst [int32(c)] x)
 17359  	for {
 17360  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17361  			x := v_0
 17362  			if v_1.Op != OpARM64MOVDconst {
 17363  				continue
 17364  			}
 17365  			c := auxIntToInt64(v_1.AuxInt)
 17366  			v.reset(OpARM64TSTWconst)
 17367  			v.AuxInt = int32ToAuxInt(int32(c))
 17368  			v.AddArg(x)
 17369  			return true
 17370  		}
 17371  		break
 17372  	}
 17373  	return false
 17374  }
 17375  func rewriteValueARM64_OpARM64TSTWconst(v *Value) bool {
 17376  	v_0 := v.Args[0]
 17377  	// match: (TSTWconst (MOVDconst [x]) [y])
 17378  	// result: (FlagConstant [logicFlags32(int32(x)&y)])
 17379  	for {
 17380  		y := auxIntToInt32(v.AuxInt)
 17381  		if v_0.Op != OpARM64MOVDconst {
 17382  			break
 17383  		}
 17384  		x := auxIntToInt64(v_0.AuxInt)
 17385  		v.reset(OpARM64FlagConstant)
 17386  		v.AuxInt = flagConstantToAuxInt(logicFlags32(int32(x) & y))
 17387  		return true
 17388  	}
 17389  	return false
 17390  }
 17391  func rewriteValueARM64_OpARM64TSTconst(v *Value) bool {
 17392  	v_0 := v.Args[0]
 17393  	// match: (TSTconst (MOVDconst [x]) [y])
 17394  	// result: (FlagConstant [logicFlags64(x&y)])
 17395  	for {
 17396  		y := auxIntToInt64(v.AuxInt)
 17397  		if v_0.Op != OpARM64MOVDconst {
 17398  			break
 17399  		}
 17400  		x := auxIntToInt64(v_0.AuxInt)
 17401  		v.reset(OpARM64FlagConstant)
 17402  		v.AuxInt = flagConstantToAuxInt(logicFlags64(x & y))
 17403  		return true
 17404  	}
 17405  	return false
 17406  }
 17407  func rewriteValueARM64_OpARM64TSTshiftLL(v *Value) bool {
 17408  	v_1 := v.Args[1]
 17409  	v_0 := v.Args[0]
 17410  	b := v.Block
 17411  	// match: (TSTshiftLL (MOVDconst [c]) x [d])
 17412  	// result: (TSTconst [c] (SLLconst <x.Type> x [d]))
 17413  	for {
 17414  		d := auxIntToInt64(v.AuxInt)
 17415  		if v_0.Op != OpARM64MOVDconst {
 17416  			break
 17417  		}
 17418  		c := auxIntToInt64(v_0.AuxInt)
 17419  		x := v_1
 17420  		v.reset(OpARM64TSTconst)
 17421  		v.AuxInt = int64ToAuxInt(c)
 17422  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 17423  		v0.AuxInt = int64ToAuxInt(d)
 17424  		v0.AddArg(x)
 17425  		v.AddArg(v0)
 17426  		return true
 17427  	}
 17428  	// match: (TSTshiftLL x (MOVDconst [c]) [d])
 17429  	// result: (TSTconst x [int64(uint64(c)<<uint64(d))])
 17430  	for {
 17431  		d := auxIntToInt64(v.AuxInt)
 17432  		x := v_0
 17433  		if v_1.Op != OpARM64MOVDconst {
 17434  			break
 17435  		}
 17436  		c := auxIntToInt64(v_1.AuxInt)
 17437  		v.reset(OpARM64TSTconst)
 17438  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 17439  		v.AddArg(x)
 17440  		return true
 17441  	}
 17442  	return false
 17443  }
 17444  func rewriteValueARM64_OpARM64TSTshiftRA(v *Value) bool {
 17445  	v_1 := v.Args[1]
 17446  	v_0 := v.Args[0]
 17447  	b := v.Block
 17448  	// match: (TSTshiftRA (MOVDconst [c]) x [d])
 17449  	// result: (TSTconst [c] (SRAconst <x.Type> x [d]))
 17450  	for {
 17451  		d := auxIntToInt64(v.AuxInt)
 17452  		if v_0.Op != OpARM64MOVDconst {
 17453  			break
 17454  		}
 17455  		c := auxIntToInt64(v_0.AuxInt)
 17456  		x := v_1
 17457  		v.reset(OpARM64TSTconst)
 17458  		v.AuxInt = int64ToAuxInt(c)
 17459  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 17460  		v0.AuxInt = int64ToAuxInt(d)
 17461  		v0.AddArg(x)
 17462  		v.AddArg(v0)
 17463  		return true
 17464  	}
 17465  	// match: (TSTshiftRA x (MOVDconst [c]) [d])
 17466  	// result: (TSTconst x [c>>uint64(d)])
 17467  	for {
 17468  		d := auxIntToInt64(v.AuxInt)
 17469  		x := v_0
 17470  		if v_1.Op != OpARM64MOVDconst {
 17471  			break
 17472  		}
 17473  		c := auxIntToInt64(v_1.AuxInt)
 17474  		v.reset(OpARM64TSTconst)
 17475  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 17476  		v.AddArg(x)
 17477  		return true
 17478  	}
 17479  	return false
 17480  }
 17481  func rewriteValueARM64_OpARM64TSTshiftRL(v *Value) bool {
 17482  	v_1 := v.Args[1]
 17483  	v_0 := v.Args[0]
 17484  	b := v.Block
 17485  	// match: (TSTshiftRL (MOVDconst [c]) x [d])
 17486  	// result: (TSTconst [c] (SRLconst <x.Type> x [d]))
 17487  	for {
 17488  		d := auxIntToInt64(v.AuxInt)
 17489  		if v_0.Op != OpARM64MOVDconst {
 17490  			break
 17491  		}
 17492  		c := auxIntToInt64(v_0.AuxInt)
 17493  		x := v_1
 17494  		v.reset(OpARM64TSTconst)
 17495  		v.AuxInt = int64ToAuxInt(c)
 17496  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 17497  		v0.AuxInt = int64ToAuxInt(d)
 17498  		v0.AddArg(x)
 17499  		v.AddArg(v0)
 17500  		return true
 17501  	}
 17502  	// match: (TSTshiftRL x (MOVDconst [c]) [d])
 17503  	// result: (TSTconst x [int64(uint64(c)>>uint64(d))])
 17504  	for {
 17505  		d := auxIntToInt64(v.AuxInt)
 17506  		x := v_0
 17507  		if v_1.Op != OpARM64MOVDconst {
 17508  			break
 17509  		}
 17510  		c := auxIntToInt64(v_1.AuxInt)
 17511  		v.reset(OpARM64TSTconst)
 17512  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 17513  		v.AddArg(x)
 17514  		return true
 17515  	}
 17516  	return false
 17517  }
 17518  func rewriteValueARM64_OpARM64TSTshiftRO(v *Value) bool {
 17519  	v_1 := v.Args[1]
 17520  	v_0 := v.Args[0]
 17521  	b := v.Block
 17522  	// match: (TSTshiftRO (MOVDconst [c]) x [d])
 17523  	// result: (TSTconst [c] (RORconst <x.Type> x [d]))
 17524  	for {
 17525  		d := auxIntToInt64(v.AuxInt)
 17526  		if v_0.Op != OpARM64MOVDconst {
 17527  			break
 17528  		}
 17529  		c := auxIntToInt64(v_0.AuxInt)
 17530  		x := v_1
 17531  		v.reset(OpARM64TSTconst)
 17532  		v.AuxInt = int64ToAuxInt(c)
 17533  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 17534  		v0.AuxInt = int64ToAuxInt(d)
 17535  		v0.AddArg(x)
 17536  		v.AddArg(v0)
 17537  		return true
 17538  	}
 17539  	// match: (TSTshiftRO x (MOVDconst [c]) [d])
 17540  	// result: (TSTconst x [rotateRight64(c, d)])
 17541  	for {
 17542  		d := auxIntToInt64(v.AuxInt)
 17543  		x := v_0
 17544  		if v_1.Op != OpARM64MOVDconst {
 17545  			break
 17546  		}
 17547  		c := auxIntToInt64(v_1.AuxInt)
 17548  		v.reset(OpARM64TSTconst)
 17549  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 17550  		v.AddArg(x)
 17551  		return true
 17552  	}
 17553  	return false
 17554  }
 17555  func rewriteValueARM64_OpARM64UBFIZ(v *Value) bool {
 17556  	v_0 := v.Args[0]
 17557  	// match: (UBFIZ [bfc] (SLLconst [sc] x))
 17558  	// cond: sc < bfc.width()
 17559  	// result: (UBFIZ [armBFAuxInt(bfc.lsb()+sc, bfc.width()-sc)] x)
 17560  	for {
 17561  		bfc := auxIntToArm64BitField(v.AuxInt)
 17562  		if v_0.Op != OpARM64SLLconst {
 17563  			break
 17564  		}
 17565  		sc := auxIntToInt64(v_0.AuxInt)
 17566  		x := v_0.Args[0]
 17567  		if !(sc < bfc.width()) {
 17568  			break
 17569  		}
 17570  		v.reset(OpARM64UBFIZ)
 17571  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()+sc, bfc.width()-sc))
 17572  		v.AddArg(x)
 17573  		return true
 17574  	}
 17575  	return false
 17576  }
 17577  func rewriteValueARM64_OpARM64UBFX(v *Value) bool {
 17578  	v_0 := v.Args[0]
 17579  	// match: (UBFX [bfc] (ANDconst [c] x))
 17580  	// cond: isARM64BFMask(0, c, 0) && bfc.lsb() + bfc.width() <= arm64BFWidth(c, 0)
 17581  	// result: (UBFX [bfc] x)
 17582  	for {
 17583  		bfc := auxIntToArm64BitField(v.AuxInt)
 17584  		if v_0.Op != OpARM64ANDconst {
 17585  			break
 17586  		}
 17587  		c := auxIntToInt64(v_0.AuxInt)
 17588  		x := v_0.Args[0]
 17589  		if !(isARM64BFMask(0, c, 0) && bfc.lsb()+bfc.width() <= arm64BFWidth(c, 0)) {
 17590  			break
 17591  		}
 17592  		v.reset(OpARM64UBFX)
 17593  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 17594  		v.AddArg(x)
 17595  		return true
 17596  	}
 17597  	// match: (UBFX [bfc] e:(MOVWUreg x))
 17598  	// cond: e.Uses == 1 && bfc.lsb() < 32
 17599  	// result: (UBFX [armBFAuxInt(bfc.lsb(), min(bfc.width(), 32-bfc.lsb()))] x)
 17600  	for {
 17601  		bfc := auxIntToArm64BitField(v.AuxInt)
 17602  		e := v_0
 17603  		if e.Op != OpARM64MOVWUreg {
 17604  			break
 17605  		}
 17606  		x := e.Args[0]
 17607  		if !(e.Uses == 1 && bfc.lsb() < 32) {
 17608  			break
 17609  		}
 17610  		v.reset(OpARM64UBFX)
 17611  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb(), min(bfc.width(), 32-bfc.lsb())))
 17612  		v.AddArg(x)
 17613  		return true
 17614  	}
 17615  	// match: (UBFX [bfc] e:(MOVHUreg x))
 17616  	// cond: e.Uses == 1 && bfc.lsb() < 16
 17617  	// result: (UBFX [armBFAuxInt(bfc.lsb(), min(bfc.width(), 16-bfc.lsb()))] x)
 17618  	for {
 17619  		bfc := auxIntToArm64BitField(v.AuxInt)
 17620  		e := v_0
 17621  		if e.Op != OpARM64MOVHUreg {
 17622  			break
 17623  		}
 17624  		x := e.Args[0]
 17625  		if !(e.Uses == 1 && bfc.lsb() < 16) {
 17626  			break
 17627  		}
 17628  		v.reset(OpARM64UBFX)
 17629  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb(), min(bfc.width(), 16-bfc.lsb())))
 17630  		v.AddArg(x)
 17631  		return true
 17632  	}
 17633  	// match: (UBFX [bfc] e:(MOVBUreg x))
 17634  	// cond: e.Uses == 1 && bfc.lsb() < 8
 17635  	// result: (UBFX [armBFAuxInt(bfc.lsb(), min(bfc.width(), 8-bfc.lsb()))] x)
 17636  	for {
 17637  		bfc := auxIntToArm64BitField(v.AuxInt)
 17638  		e := v_0
 17639  		if e.Op != OpARM64MOVBUreg {
 17640  			break
 17641  		}
 17642  		x := e.Args[0]
 17643  		if !(e.Uses == 1 && bfc.lsb() < 8) {
 17644  			break
 17645  		}
 17646  		v.reset(OpARM64UBFX)
 17647  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb(), min(bfc.width(), 8-bfc.lsb())))
 17648  		v.AddArg(x)
 17649  		return true
 17650  	}
 17651  	// match: (UBFX [bfc] (SRLconst [sc] x))
 17652  	// cond: sc+bfc.width()+bfc.lsb() < 64
 17653  	// result: (UBFX [armBFAuxInt(bfc.lsb()+sc, bfc.width())] x)
 17654  	for {
 17655  		bfc := auxIntToArm64BitField(v.AuxInt)
 17656  		if v_0.Op != OpARM64SRLconst {
 17657  			break
 17658  		}
 17659  		sc := auxIntToInt64(v_0.AuxInt)
 17660  		x := v_0.Args[0]
 17661  		if !(sc+bfc.width()+bfc.lsb() < 64) {
 17662  			break
 17663  		}
 17664  		v.reset(OpARM64UBFX)
 17665  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()+sc, bfc.width()))
 17666  		v.AddArg(x)
 17667  		return true
 17668  	}
 17669  	// match: (UBFX [bfc] (SLLconst [sc] x))
 17670  	// cond: sc == bfc.lsb()
 17671  	// result: (ANDconst [1<<uint(bfc.width())-1] x)
 17672  	for {
 17673  		bfc := auxIntToArm64BitField(v.AuxInt)
 17674  		if v_0.Op != OpARM64SLLconst {
 17675  			break
 17676  		}
 17677  		sc := auxIntToInt64(v_0.AuxInt)
 17678  		x := v_0.Args[0]
 17679  		if !(sc == bfc.lsb()) {
 17680  			break
 17681  		}
 17682  		v.reset(OpARM64ANDconst)
 17683  		v.AuxInt = int64ToAuxInt(1<<uint(bfc.width()) - 1)
 17684  		v.AddArg(x)
 17685  		return true
 17686  	}
 17687  	// match: (UBFX [bfc] (SLLconst [sc] x))
 17688  	// cond: sc < bfc.lsb()
 17689  	// result: (UBFX [armBFAuxInt(bfc.lsb()-sc, bfc.width())] x)
 17690  	for {
 17691  		bfc := auxIntToArm64BitField(v.AuxInt)
 17692  		if v_0.Op != OpARM64SLLconst {
 17693  			break
 17694  		}
 17695  		sc := auxIntToInt64(v_0.AuxInt)
 17696  		x := v_0.Args[0]
 17697  		if !(sc < bfc.lsb()) {
 17698  			break
 17699  		}
 17700  		v.reset(OpARM64UBFX)
 17701  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.lsb()-sc, bfc.width()))
 17702  		v.AddArg(x)
 17703  		return true
 17704  	}
 17705  	// match: (UBFX [bfc] (SLLconst [sc] x))
 17706  	// cond: sc > bfc.lsb() && sc < bfc.lsb()+bfc.width()
 17707  	// result: (UBFIZ [armBFAuxInt(sc-bfc.lsb(), bfc.lsb()+bfc.width()-sc)] x)
 17708  	for {
 17709  		bfc := auxIntToArm64BitField(v.AuxInt)
 17710  		if v_0.Op != OpARM64SLLconst {
 17711  			break
 17712  		}
 17713  		sc := auxIntToInt64(v_0.AuxInt)
 17714  		x := v_0.Args[0]
 17715  		if !(sc > bfc.lsb() && sc < bfc.lsb()+bfc.width()) {
 17716  			break
 17717  		}
 17718  		v.reset(OpARM64UBFIZ)
 17719  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.lsb(), bfc.lsb()+bfc.width()-sc))
 17720  		v.AddArg(x)
 17721  		return true
 17722  	}
 17723  	return false
 17724  }
 17725  func rewriteValueARM64_OpARM64UDIV(v *Value) bool {
 17726  	v_1 := v.Args[1]
 17727  	v_0 := v.Args[0]
 17728  	// match: (UDIV x (MOVDconst [1]))
 17729  	// result: x
 17730  	for {
 17731  		x := v_0
 17732  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 17733  			break
 17734  		}
 17735  		v.copyOf(x)
 17736  		return true
 17737  	}
 17738  	// match: (UDIV x (MOVDconst [c]))
 17739  	// cond: isPowerOfTwo(c)
 17740  	// result: (SRLconst [log64(c)] x)
 17741  	for {
 17742  		x := v_0
 17743  		if v_1.Op != OpARM64MOVDconst {
 17744  			break
 17745  		}
 17746  		c := auxIntToInt64(v_1.AuxInt)
 17747  		if !(isPowerOfTwo(c)) {
 17748  			break
 17749  		}
 17750  		v.reset(OpARM64SRLconst)
 17751  		v.AuxInt = int64ToAuxInt(log64(c))
 17752  		v.AddArg(x)
 17753  		return true
 17754  	}
 17755  	// match: (UDIV (MOVDconst [c]) (MOVDconst [d]))
 17756  	// cond: d != 0
 17757  	// result: (MOVDconst [int64(uint64(c)/uint64(d))])
 17758  	for {
 17759  		if v_0.Op != OpARM64MOVDconst {
 17760  			break
 17761  		}
 17762  		c := auxIntToInt64(v_0.AuxInt)
 17763  		if v_1.Op != OpARM64MOVDconst {
 17764  			break
 17765  		}
 17766  		d := auxIntToInt64(v_1.AuxInt)
 17767  		if !(d != 0) {
 17768  			break
 17769  		}
 17770  		v.reset(OpARM64MOVDconst)
 17771  		v.AuxInt = int64ToAuxInt(int64(uint64(c) / uint64(d)))
 17772  		return true
 17773  	}
 17774  	return false
 17775  }
 17776  func rewriteValueARM64_OpARM64UDIVW(v *Value) bool {
 17777  	v_1 := v.Args[1]
 17778  	v_0 := v.Args[0]
 17779  	b := v.Block
 17780  	// match: (UDIVW x (MOVDconst [c]))
 17781  	// cond: uint32(c)==1
 17782  	// result: (MOVWUreg x)
 17783  	for {
 17784  		x := v_0
 17785  		if v_1.Op != OpARM64MOVDconst {
 17786  			break
 17787  		}
 17788  		c := auxIntToInt64(v_1.AuxInt)
 17789  		if !(uint32(c) == 1) {
 17790  			break
 17791  		}
 17792  		v.reset(OpARM64MOVWUreg)
 17793  		v.AddArg(x)
 17794  		return true
 17795  	}
 17796  	// match: (UDIVW x (MOVDconst [c]))
 17797  	// cond: isPowerOfTwo(c) && is32Bit(c)
 17798  	// result: (SRLconst [log64(c)] (MOVWUreg <v.Type> x))
 17799  	for {
 17800  		x := v_0
 17801  		if v_1.Op != OpARM64MOVDconst {
 17802  			break
 17803  		}
 17804  		c := auxIntToInt64(v_1.AuxInt)
 17805  		if !(isPowerOfTwo(c) && is32Bit(c)) {
 17806  			break
 17807  		}
 17808  		v.reset(OpARM64SRLconst)
 17809  		v.AuxInt = int64ToAuxInt(log64(c))
 17810  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUreg, v.Type)
 17811  		v0.AddArg(x)
 17812  		v.AddArg(v0)
 17813  		return true
 17814  	}
 17815  	// match: (UDIVW (MOVDconst [c]) (MOVDconst [d]))
 17816  	// cond: d != 0
 17817  	// result: (MOVDconst [int64(uint32(c)/uint32(d))])
 17818  	for {
 17819  		if v_0.Op != OpARM64MOVDconst {
 17820  			break
 17821  		}
 17822  		c := auxIntToInt64(v_0.AuxInt)
 17823  		if v_1.Op != OpARM64MOVDconst {
 17824  			break
 17825  		}
 17826  		d := auxIntToInt64(v_1.AuxInt)
 17827  		if !(d != 0) {
 17828  			break
 17829  		}
 17830  		v.reset(OpARM64MOVDconst)
 17831  		v.AuxInt = int64ToAuxInt(int64(uint32(c) / uint32(d)))
 17832  		return true
 17833  	}
 17834  	return false
 17835  }
 17836  func rewriteValueARM64_OpARM64UMOD(v *Value) bool {
 17837  	v_1 := v.Args[1]
 17838  	v_0 := v.Args[0]
 17839  	b := v.Block
 17840  	typ := &b.Func.Config.Types
 17841  	// match: (UMOD <typ.UInt64> x y)
 17842  	// result: (MSUB <typ.UInt64> x y (UDIV <typ.UInt64> x y))
 17843  	for {
 17844  		if v.Type != typ.UInt64 {
 17845  			break
 17846  		}
 17847  		x := v_0
 17848  		y := v_1
 17849  		v.reset(OpARM64MSUB)
 17850  		v.Type = typ.UInt64
 17851  		v0 := b.NewValue0(v.Pos, OpARM64UDIV, typ.UInt64)
 17852  		v0.AddArg2(x, y)
 17853  		v.AddArg3(x, y, v0)
 17854  		return true
 17855  	}
 17856  	// match: (UMOD _ (MOVDconst [1]))
 17857  	// result: (MOVDconst [0])
 17858  	for {
 17859  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 17860  			break
 17861  		}
 17862  		v.reset(OpARM64MOVDconst)
 17863  		v.AuxInt = int64ToAuxInt(0)
 17864  		return true
 17865  	}
 17866  	// match: (UMOD x (MOVDconst [c]))
 17867  	// cond: isPowerOfTwo(c)
 17868  	// result: (ANDconst [c-1] x)
 17869  	for {
 17870  		x := v_0
 17871  		if v_1.Op != OpARM64MOVDconst {
 17872  			break
 17873  		}
 17874  		c := auxIntToInt64(v_1.AuxInt)
 17875  		if !(isPowerOfTwo(c)) {
 17876  			break
 17877  		}
 17878  		v.reset(OpARM64ANDconst)
 17879  		v.AuxInt = int64ToAuxInt(c - 1)
 17880  		v.AddArg(x)
 17881  		return true
 17882  	}
 17883  	// match: (UMOD (MOVDconst [c]) (MOVDconst [d]))
 17884  	// cond: d != 0
 17885  	// result: (MOVDconst [int64(uint64(c)%uint64(d))])
 17886  	for {
 17887  		if v_0.Op != OpARM64MOVDconst {
 17888  			break
 17889  		}
 17890  		c := auxIntToInt64(v_0.AuxInt)
 17891  		if v_1.Op != OpARM64MOVDconst {
 17892  			break
 17893  		}
 17894  		d := auxIntToInt64(v_1.AuxInt)
 17895  		if !(d != 0) {
 17896  			break
 17897  		}
 17898  		v.reset(OpARM64MOVDconst)
 17899  		v.AuxInt = int64ToAuxInt(int64(uint64(c) % uint64(d)))
 17900  		return true
 17901  	}
 17902  	return false
 17903  }
 17904  func rewriteValueARM64_OpARM64UMODW(v *Value) bool {
 17905  	v_1 := v.Args[1]
 17906  	v_0 := v.Args[0]
 17907  	b := v.Block
 17908  	typ := &b.Func.Config.Types
 17909  	// match: (UMODW <typ.UInt32> x y)
 17910  	// result: (MSUBW <typ.UInt32> x y (UDIVW <typ.UInt32> x y))
 17911  	for {
 17912  		if v.Type != typ.UInt32 {
 17913  			break
 17914  		}
 17915  		x := v_0
 17916  		y := v_1
 17917  		v.reset(OpARM64MSUBW)
 17918  		v.Type = typ.UInt32
 17919  		v0 := b.NewValue0(v.Pos, OpARM64UDIVW, typ.UInt32)
 17920  		v0.AddArg2(x, y)
 17921  		v.AddArg3(x, y, v0)
 17922  		return true
 17923  	}
 17924  	// match: (UMODW _ (MOVDconst [c]))
 17925  	// cond: uint32(c)==1
 17926  	// result: (MOVDconst [0])
 17927  	for {
 17928  		if v_1.Op != OpARM64MOVDconst {
 17929  			break
 17930  		}
 17931  		c := auxIntToInt64(v_1.AuxInt)
 17932  		if !(uint32(c) == 1) {
 17933  			break
 17934  		}
 17935  		v.reset(OpARM64MOVDconst)
 17936  		v.AuxInt = int64ToAuxInt(0)
 17937  		return true
 17938  	}
 17939  	// match: (UMODW x (MOVDconst [c]))
 17940  	// cond: isPowerOfTwo(c) && is32Bit(c)
 17941  	// result: (ANDconst [c-1] x)
 17942  	for {
 17943  		x := v_0
 17944  		if v_1.Op != OpARM64MOVDconst {
 17945  			break
 17946  		}
 17947  		c := auxIntToInt64(v_1.AuxInt)
 17948  		if !(isPowerOfTwo(c) && is32Bit(c)) {
 17949  			break
 17950  		}
 17951  		v.reset(OpARM64ANDconst)
 17952  		v.AuxInt = int64ToAuxInt(c - 1)
 17953  		v.AddArg(x)
 17954  		return true
 17955  	}
 17956  	// match: (UMODW (MOVDconst [c]) (MOVDconst [d]))
 17957  	// cond: d != 0
 17958  	// result: (MOVDconst [int64(uint32(c)%uint32(d))])
 17959  	for {
 17960  		if v_0.Op != OpARM64MOVDconst {
 17961  			break
 17962  		}
 17963  		c := auxIntToInt64(v_0.AuxInt)
 17964  		if v_1.Op != OpARM64MOVDconst {
 17965  			break
 17966  		}
 17967  		d := auxIntToInt64(v_1.AuxInt)
 17968  		if !(d != 0) {
 17969  			break
 17970  		}
 17971  		v.reset(OpARM64MOVDconst)
 17972  		v.AuxInt = int64ToAuxInt(int64(uint32(c) % uint32(d)))
 17973  		return true
 17974  	}
 17975  	return false
 17976  }
 17977  func rewriteValueARM64_OpARM64VBIF16B(v *Value) bool {
 17978  	v_2 := v.Args[2]
 17979  	v_1 := v.Args[1]
 17980  	v_0 := v.Args[0]
 17981  	// match: (VBIF16B x y (VNOT16B mask))
 17982  	// result: (VBIT16B x y mask)
 17983  	for {
 17984  		x := v_0
 17985  		y := v_1
 17986  		if v_2.Op != OpARM64VNOT16B {
 17987  			break
 17988  		}
 17989  		mask := v_2.Args[0]
 17990  		v.reset(OpARM64VBIT16B)
 17991  		v.AddArg3(x, y, mask)
 17992  		return true
 17993  	}
 17994  	return false
 17995  }
 17996  func rewriteValueARM64_OpARM64VBIT16B(v *Value) bool {
 17997  	v_2 := v.Args[2]
 17998  	v_1 := v.Args[1]
 17999  	v_0 := v.Args[0]
 18000  	// match: (VBIT16B x y (VNOT16B mask))
 18001  	// result: (VBIF16B x y mask)
 18002  	for {
 18003  		x := v_0
 18004  		y := v_1
 18005  		if v_2.Op != OpARM64VNOT16B {
 18006  			break
 18007  		}
 18008  		mask := v_2.Args[0]
 18009  		v.reset(OpARM64VBIF16B)
 18010  		v.AddArg3(x, y, mask)
 18011  		return true
 18012  	}
 18013  	return false
 18014  }
 18015  func rewriteValueARM64_OpARM64VDUPBbcast(v *Value) bool {
 18016  	v_0 := v.Args[0]
 18017  	// match: (VDUPBbcast [i] (VMOVBins [j] _ (MOVDconst [c])))
 18018  	// cond: i == j && c>=-128 && c<=255
 18019  	// result: (VMOVI16B [uint8(c)])
 18020  	for {
 18021  		i := auxIntToUint8(v.AuxInt)
 18022  		if v_0.Op != OpARM64VMOVBins {
 18023  			break
 18024  		}
 18025  		j := auxIntToUint8(v_0.AuxInt)
 18026  		_ = v_0.Args[1]
 18027  		v_0_1 := v_0.Args[1]
 18028  		if v_0_1.Op != OpARM64MOVDconst {
 18029  			break
 18030  		}
 18031  		c := auxIntToInt64(v_0_1.AuxInt)
 18032  		if !(i == j && c >= -128 && c <= 255) {
 18033  			break
 18034  		}
 18035  		v.reset(OpARM64VMOVI16B)
 18036  		v.AuxInt = uint8ToAuxInt(uint8(c))
 18037  		return true
 18038  	}
 18039  	return false
 18040  }
 18041  func rewriteValueARM64_OpARM64VFCVTL4S(v *Value) bool {
 18042  	v_0 := v.Args[0]
 18043  	// match: (VFCVTL4S (VDUPDextr [1] x))
 18044  	// result: (VFCVTL2_4S x)
 18045  	for {
 18046  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18047  			break
 18048  		}
 18049  		x := v_0.Args[0]
 18050  		v.reset(OpARM64VFCVTL2_4S)
 18051  		v.AddArg(x)
 18052  		return true
 18053  	}
 18054  	return false
 18055  }
 18056  func rewriteValueARM64_OpARM64VMOVDins0(v *Value) bool {
 18057  	v_1 := v.Args[1]
 18058  	v_0 := v.Args[0]
 18059  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VFCVTN2D y)))
 18060  	// result: (VFCVTN2_2D dst y)
 18061  	for {
 18062  		if auxIntToUint8(v.AuxInt) != 1 {
 18063  			break
 18064  		}
 18065  		dst := v_0
 18066  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18067  			break
 18068  		}
 18069  		v_1_0 := v_1.Args[0]
 18070  		if v_1_0.Op != OpARM64VFCVTN2D {
 18071  			break
 18072  		}
 18073  		y := v_1_0.Args[0]
 18074  		v.reset(OpARM64VFCVTN2_2D)
 18075  		v.AddArg2(dst, y)
 18076  		return true
 18077  	}
 18078  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSHRN2D [c] y)))
 18079  	// result: (VSHRN2_2D dst [c] y)
 18080  	for {
 18081  		if auxIntToUint8(v.AuxInt) != 1 {
 18082  			break
 18083  		}
 18084  		dst := v_0
 18085  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18086  			break
 18087  		}
 18088  		v_1_0 := v_1.Args[0]
 18089  		if v_1_0.Op != OpARM64VSHRN2D {
 18090  			break
 18091  		}
 18092  		c := auxIntToUint8(v_1_0.AuxInt)
 18093  		y := v_1_0.Args[0]
 18094  		v.reset(OpARM64VSHRN2_2D)
 18095  		v.AuxInt = uint8ToAuxInt(c)
 18096  		v.AddArg2(dst, y)
 18097  		return true
 18098  	}
 18099  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSHRN4S [c] y)))
 18100  	// result: (VSHRN2_4S dst [c] y)
 18101  	for {
 18102  		if auxIntToUint8(v.AuxInt) != 1 {
 18103  			break
 18104  		}
 18105  		dst := v_0
 18106  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18107  			break
 18108  		}
 18109  		v_1_0 := v_1.Args[0]
 18110  		if v_1_0.Op != OpARM64VSHRN4S {
 18111  			break
 18112  		}
 18113  		c := auxIntToUint8(v_1_0.AuxInt)
 18114  		y := v_1_0.Args[0]
 18115  		v.reset(OpARM64VSHRN2_4S)
 18116  		v.AuxInt = uint8ToAuxInt(c)
 18117  		v.AddArg2(dst, y)
 18118  		return true
 18119  	}
 18120  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSHRN8H [c] y)))
 18121  	// result: (VSHRN2_8H dst [c] y)
 18122  	for {
 18123  		if auxIntToUint8(v.AuxInt) != 1 {
 18124  			break
 18125  		}
 18126  		dst := v_0
 18127  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18128  			break
 18129  		}
 18130  		v_1_0 := v_1.Args[0]
 18131  		if v_1_0.Op != OpARM64VSHRN8H {
 18132  			break
 18133  		}
 18134  		c := auxIntToUint8(v_1_0.AuxInt)
 18135  		y := v_1_0.Args[0]
 18136  		v.reset(OpARM64VSHRN2_8H)
 18137  		v.AuxInt = uint8ToAuxInt(c)
 18138  		v.AddArg2(dst, y)
 18139  		return true
 18140  	}
 18141  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSQXTN2D y)))
 18142  	// result: (VSQXTN2_2D dst y)
 18143  	for {
 18144  		if auxIntToUint8(v.AuxInt) != 1 {
 18145  			break
 18146  		}
 18147  		dst := v_0
 18148  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18149  			break
 18150  		}
 18151  		v_1_0 := v_1.Args[0]
 18152  		if v_1_0.Op != OpARM64VSQXTN2D {
 18153  			break
 18154  		}
 18155  		y := v_1_0.Args[0]
 18156  		v.reset(OpARM64VSQXTN2_2D)
 18157  		v.AddArg2(dst, y)
 18158  		return true
 18159  	}
 18160  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSQXTN4S y)))
 18161  	// result: (VSQXTN2_4S dst y)
 18162  	for {
 18163  		if auxIntToUint8(v.AuxInt) != 1 {
 18164  			break
 18165  		}
 18166  		dst := v_0
 18167  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18168  			break
 18169  		}
 18170  		v_1_0 := v_1.Args[0]
 18171  		if v_1_0.Op != OpARM64VSQXTN4S {
 18172  			break
 18173  		}
 18174  		y := v_1_0.Args[0]
 18175  		v.reset(OpARM64VSQXTN2_4S)
 18176  		v.AddArg2(dst, y)
 18177  		return true
 18178  	}
 18179  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSQXTN8H y)))
 18180  	// result: (VSQXTN2_8H dst y)
 18181  	for {
 18182  		if auxIntToUint8(v.AuxInt) != 1 {
 18183  			break
 18184  		}
 18185  		dst := v_0
 18186  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18187  			break
 18188  		}
 18189  		v_1_0 := v_1.Args[0]
 18190  		if v_1_0.Op != OpARM64VSQXTN8H {
 18191  			break
 18192  		}
 18193  		y := v_1_0.Args[0]
 18194  		v.reset(OpARM64VSQXTN2_8H)
 18195  		v.AddArg2(dst, y)
 18196  		return true
 18197  	}
 18198  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSQXTUN2D y)))
 18199  	// result: (VSQXTUN2_2D dst y)
 18200  	for {
 18201  		if auxIntToUint8(v.AuxInt) != 1 {
 18202  			break
 18203  		}
 18204  		dst := v_0
 18205  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18206  			break
 18207  		}
 18208  		v_1_0 := v_1.Args[0]
 18209  		if v_1_0.Op != OpARM64VSQXTUN2D {
 18210  			break
 18211  		}
 18212  		y := v_1_0.Args[0]
 18213  		v.reset(OpARM64VSQXTUN2_2D)
 18214  		v.AddArg2(dst, y)
 18215  		return true
 18216  	}
 18217  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSQXTUN4S y)))
 18218  	// result: (VSQXTUN2_4S dst y)
 18219  	for {
 18220  		if auxIntToUint8(v.AuxInt) != 1 {
 18221  			break
 18222  		}
 18223  		dst := v_0
 18224  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18225  			break
 18226  		}
 18227  		v_1_0 := v_1.Args[0]
 18228  		if v_1_0.Op != OpARM64VSQXTUN4S {
 18229  			break
 18230  		}
 18231  		y := v_1_0.Args[0]
 18232  		v.reset(OpARM64VSQXTUN2_4S)
 18233  		v.AddArg2(dst, y)
 18234  		return true
 18235  	}
 18236  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VSQXTUN8H y)))
 18237  	// result: (VSQXTUN2_8H dst y)
 18238  	for {
 18239  		if auxIntToUint8(v.AuxInt) != 1 {
 18240  			break
 18241  		}
 18242  		dst := v_0
 18243  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18244  			break
 18245  		}
 18246  		v_1_0 := v_1.Args[0]
 18247  		if v_1_0.Op != OpARM64VSQXTUN8H {
 18248  			break
 18249  		}
 18250  		y := v_1_0.Args[0]
 18251  		v.reset(OpARM64VSQXTUN2_8H)
 18252  		v.AddArg2(dst, y)
 18253  		return true
 18254  	}
 18255  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VUQXTN2D y)))
 18256  	// result: (VUQXTN2_2D dst y)
 18257  	for {
 18258  		if auxIntToUint8(v.AuxInt) != 1 {
 18259  			break
 18260  		}
 18261  		dst := v_0
 18262  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18263  			break
 18264  		}
 18265  		v_1_0 := v_1.Args[0]
 18266  		if v_1_0.Op != OpARM64VUQXTN2D {
 18267  			break
 18268  		}
 18269  		y := v_1_0.Args[0]
 18270  		v.reset(OpARM64VUQXTN2_2D)
 18271  		v.AddArg2(dst, y)
 18272  		return true
 18273  	}
 18274  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VUQXTN4S y)))
 18275  	// result: (VUQXTN2_4S dst y)
 18276  	for {
 18277  		if auxIntToUint8(v.AuxInt) != 1 {
 18278  			break
 18279  		}
 18280  		dst := v_0
 18281  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18282  			break
 18283  		}
 18284  		v_1_0 := v_1.Args[0]
 18285  		if v_1_0.Op != OpARM64VUQXTN4S {
 18286  			break
 18287  		}
 18288  		y := v_1_0.Args[0]
 18289  		v.reset(OpARM64VUQXTN2_4S)
 18290  		v.AddArg2(dst, y)
 18291  		return true
 18292  	}
 18293  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VUQXTN8H y)))
 18294  	// result: (VUQXTN2_8H dst y)
 18295  	for {
 18296  		if auxIntToUint8(v.AuxInt) != 1 {
 18297  			break
 18298  		}
 18299  		dst := v_0
 18300  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18301  			break
 18302  		}
 18303  		v_1_0 := v_1.Args[0]
 18304  		if v_1_0.Op != OpARM64VUQXTN8H {
 18305  			break
 18306  		}
 18307  		y := v_1_0.Args[0]
 18308  		v.reset(OpARM64VUQXTN2_8H)
 18309  		v.AddArg2(dst, y)
 18310  		return true
 18311  	}
 18312  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VXTN2D y)))
 18313  	// result: (VXTN2_2D dst y)
 18314  	for {
 18315  		if auxIntToUint8(v.AuxInt) != 1 {
 18316  			break
 18317  		}
 18318  		dst := v_0
 18319  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18320  			break
 18321  		}
 18322  		v_1_0 := v_1.Args[0]
 18323  		if v_1_0.Op != OpARM64VXTN2D {
 18324  			break
 18325  		}
 18326  		y := v_1_0.Args[0]
 18327  		v.reset(OpARM64VXTN2_2D)
 18328  		v.AddArg2(dst, y)
 18329  		return true
 18330  	}
 18331  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VXTN4S y)))
 18332  	// result: (VXTN2_4S dst y)
 18333  	for {
 18334  		if auxIntToUint8(v.AuxInt) != 1 {
 18335  			break
 18336  		}
 18337  		dst := v_0
 18338  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18339  			break
 18340  		}
 18341  		v_1_0 := v_1.Args[0]
 18342  		if v_1_0.Op != OpARM64VXTN4S {
 18343  			break
 18344  		}
 18345  		y := v_1_0.Args[0]
 18346  		v.reset(OpARM64VXTN2_4S)
 18347  		v.AddArg2(dst, y)
 18348  		return true
 18349  	}
 18350  	// match: (VMOVDins0 [1] dst (VDUPDextr [0] (VXTN8H y)))
 18351  	// result: (VXTN2_8H dst y)
 18352  	for {
 18353  		if auxIntToUint8(v.AuxInt) != 1 {
 18354  			break
 18355  		}
 18356  		dst := v_0
 18357  		if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 0 {
 18358  			break
 18359  		}
 18360  		v_1_0 := v_1.Args[0]
 18361  		if v_1_0.Op != OpARM64VXTN8H {
 18362  			break
 18363  		}
 18364  		y := v_1_0.Args[0]
 18365  		v.reset(OpARM64VXTN2_8H)
 18366  		v.AddArg2(dst, y)
 18367  		return true
 18368  	}
 18369  	// match: (VMOVDins0 [0] (VMOVI16B [0]) y:(VDUPDextr [i] _))
 18370  	// result: y
 18371  	for {
 18372  		if auxIntToUint8(v.AuxInt) != 0 || v_0.Op != OpARM64VMOVI16B || auxIntToUint8(v_0.AuxInt) != 0 {
 18373  			break
 18374  		}
 18375  		y := v_1
 18376  		if y.Op != OpARM64VDUPDextr {
 18377  			break
 18378  		}
 18379  		v.copyOf(y)
 18380  		return true
 18381  	}
 18382  	return false
 18383  }
 18384  func rewriteValueARM64_OpARM64VMOVSins0(v *Value) bool {
 18385  	v_1 := v.Args[1]
 18386  	v_0 := v.Args[0]
 18387  	// match: (VMOVSins0 [0] (VMOVI16B [0]) y:(VDUPSextr [i] _))
 18388  	// result: y
 18389  	for {
 18390  		if auxIntToUint8(v.AuxInt) != 0 || v_0.Op != OpARM64VMOVI16B || auxIntToUint8(v_0.AuxInt) != 0 {
 18391  			break
 18392  		}
 18393  		y := v_1
 18394  		if y.Op != OpARM64VDUPSextr {
 18395  			break
 18396  		}
 18397  		v.copyOf(y)
 18398  		return true
 18399  	}
 18400  	return false
 18401  }
 18402  func rewriteValueARM64_OpARM64VPMULL2D(v *Value) bool {
 18403  	v_1 := v.Args[1]
 18404  	v_0 := v.Args[0]
 18405  	// match: (VPMULL2D (VDUPDextr [1] x) (VDUPDextr [1] y))
 18406  	// result: (VPMULL2_2D x y)
 18407  	for {
 18408  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18409  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18410  				continue
 18411  			}
 18412  			x := v_0.Args[0]
 18413  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18414  				continue
 18415  			}
 18416  			y := v_1.Args[0]
 18417  			v.reset(OpARM64VPMULL2_2D)
 18418  			v.AddArg2(x, y)
 18419  			return true
 18420  		}
 18421  		break
 18422  	}
 18423  	return false
 18424  }
 18425  func rewriteValueARM64_OpARM64VSHL16B(v *Value) bool {
 18426  	v_0 := v.Args[0]
 18427  	// match: (VSHL16B [a] x)
 18428  	// cond: a==0
 18429  	// result: x
 18430  	for {
 18431  		a := auxIntToUint8(v.AuxInt)
 18432  		x := v_0
 18433  		if !(a == 0) {
 18434  			break
 18435  		}
 18436  		v.copyOf(x)
 18437  		return true
 18438  	}
 18439  	return false
 18440  }
 18441  func rewriteValueARM64_OpARM64VSHL2D(v *Value) bool {
 18442  	v_0 := v.Args[0]
 18443  	// match: (VSHL2D [a] x)
 18444  	// cond: a==0
 18445  	// result: x
 18446  	for {
 18447  		a := auxIntToUint8(v.AuxInt)
 18448  		x := v_0
 18449  		if !(a == 0) {
 18450  			break
 18451  		}
 18452  		v.copyOf(x)
 18453  		return true
 18454  	}
 18455  	return false
 18456  }
 18457  func rewriteValueARM64_OpARM64VSHL4S(v *Value) bool {
 18458  	v_0 := v.Args[0]
 18459  	// match: (VSHL4S [a] x)
 18460  	// cond: a==0
 18461  	// result: x
 18462  	for {
 18463  		a := auxIntToUint8(v.AuxInt)
 18464  		x := v_0
 18465  		if !(a == 0) {
 18466  			break
 18467  		}
 18468  		v.copyOf(x)
 18469  		return true
 18470  	}
 18471  	return false
 18472  }
 18473  func rewriteValueARM64_OpARM64VSHL8H(v *Value) bool {
 18474  	v_0 := v.Args[0]
 18475  	// match: (VSHL8H [a] x)
 18476  	// cond: a==0
 18477  	// result: x
 18478  	for {
 18479  		a := auxIntToUint8(v.AuxInt)
 18480  		x := v_0
 18481  		if !(a == 0) {
 18482  			break
 18483  		}
 18484  		v.copyOf(x)
 18485  		return true
 18486  	}
 18487  	return false
 18488  }
 18489  func rewriteValueARM64_OpARM64VSHRN2D(v *Value) bool {
 18490  	v_0 := v.Args[0]
 18491  	// match: (VSHRN2D [0] x)
 18492  	// result: (VXTN2D x)
 18493  	for {
 18494  		if auxIntToUint8(v.AuxInt) != 0 {
 18495  			break
 18496  		}
 18497  		x := v_0
 18498  		v.reset(OpARM64VXTN2D)
 18499  		v.AddArg(x)
 18500  		return true
 18501  	}
 18502  	return false
 18503  }
 18504  func rewriteValueARM64_OpARM64VSHRN4S(v *Value) bool {
 18505  	v_0 := v.Args[0]
 18506  	// match: (VSHRN4S [0] x)
 18507  	// result: (VXTN4S x)
 18508  	for {
 18509  		if auxIntToUint8(v.AuxInt) != 0 {
 18510  			break
 18511  		}
 18512  		x := v_0
 18513  		v.reset(OpARM64VXTN4S)
 18514  		v.AddArg(x)
 18515  		return true
 18516  	}
 18517  	return false
 18518  }
 18519  func rewriteValueARM64_OpARM64VSHRN8H(v *Value) bool {
 18520  	v_0 := v.Args[0]
 18521  	// match: (VSHRN8H [0] x)
 18522  	// result: (VXTN8H x)
 18523  	for {
 18524  		if auxIntToUint8(v.AuxInt) != 0 {
 18525  			break
 18526  		}
 18527  		x := v_0
 18528  		v.reset(OpARM64VXTN8H)
 18529  		v.AddArg(x)
 18530  		return true
 18531  	}
 18532  	return false
 18533  }
 18534  func rewriteValueARM64_OpARM64VSMULL16B(v *Value) bool {
 18535  	v_1 := v.Args[1]
 18536  	v_0 := v.Args[0]
 18537  	// match: (VSMULL16B (VDUPDextr [1] x) (VDUPDextr [1] y))
 18538  	// result: (VSMULL2_16B x y)
 18539  	for {
 18540  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18541  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18542  				continue
 18543  			}
 18544  			x := v_0.Args[0]
 18545  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18546  				continue
 18547  			}
 18548  			y := v_1.Args[0]
 18549  			v.reset(OpARM64VSMULL2_16B)
 18550  			v.AddArg2(x, y)
 18551  			return true
 18552  		}
 18553  		break
 18554  	}
 18555  	return false
 18556  }
 18557  func rewriteValueARM64_OpARM64VSMULL4S(v *Value) bool {
 18558  	v_1 := v.Args[1]
 18559  	v_0 := v.Args[0]
 18560  	// match: (VSMULL4S (VDUPDextr [1] x) (VDUPDextr [1] y))
 18561  	// result: (VSMULL2_4S x y)
 18562  	for {
 18563  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18564  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18565  				continue
 18566  			}
 18567  			x := v_0.Args[0]
 18568  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18569  				continue
 18570  			}
 18571  			y := v_1.Args[0]
 18572  			v.reset(OpARM64VSMULL2_4S)
 18573  			v.AddArg2(x, y)
 18574  			return true
 18575  		}
 18576  		break
 18577  	}
 18578  	return false
 18579  }
 18580  func rewriteValueARM64_OpARM64VSMULL8H(v *Value) bool {
 18581  	v_1 := v.Args[1]
 18582  	v_0 := v.Args[0]
 18583  	// match: (VSMULL8H (VDUPDextr [1] x) (VDUPDextr [1] y))
 18584  	// result: (VSMULL2_8H x y)
 18585  	for {
 18586  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18587  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18588  				continue
 18589  			}
 18590  			x := v_0.Args[0]
 18591  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18592  				continue
 18593  			}
 18594  			y := v_1.Args[0]
 18595  			v.reset(OpARM64VSMULL2_8H)
 18596  			v.AddArg2(x, y)
 18597  			return true
 18598  		}
 18599  		break
 18600  	}
 18601  	return false
 18602  }
 18603  func rewriteValueARM64_OpARM64VSQSHL16Bconst(v *Value) bool {
 18604  	v_0 := v.Args[0]
 18605  	// match: (VSQSHL16Bconst [a] x)
 18606  	// cond: a==0
 18607  	// result: x
 18608  	for {
 18609  		a := auxIntToUint8(v.AuxInt)
 18610  		x := v_0
 18611  		if !(a == 0) {
 18612  			break
 18613  		}
 18614  		v.copyOf(x)
 18615  		return true
 18616  	}
 18617  	return false
 18618  }
 18619  func rewriteValueARM64_OpARM64VSQSHL2Dconst(v *Value) bool {
 18620  	v_0 := v.Args[0]
 18621  	// match: (VSQSHL2Dconst [a] x)
 18622  	// cond: a==0
 18623  	// result: x
 18624  	for {
 18625  		a := auxIntToUint8(v.AuxInt)
 18626  		x := v_0
 18627  		if !(a == 0) {
 18628  			break
 18629  		}
 18630  		v.copyOf(x)
 18631  		return true
 18632  	}
 18633  	return false
 18634  }
 18635  func rewriteValueARM64_OpARM64VSQSHL4Sconst(v *Value) bool {
 18636  	v_0 := v.Args[0]
 18637  	// match: (VSQSHL4Sconst [a] x)
 18638  	// cond: a==0
 18639  	// result: x
 18640  	for {
 18641  		a := auxIntToUint8(v.AuxInt)
 18642  		x := v_0
 18643  		if !(a == 0) {
 18644  			break
 18645  		}
 18646  		v.copyOf(x)
 18647  		return true
 18648  	}
 18649  	return false
 18650  }
 18651  func rewriteValueARM64_OpARM64VSQSHL8Hconst(v *Value) bool {
 18652  	v_0 := v.Args[0]
 18653  	// match: (VSQSHL8Hconst [a] x)
 18654  	// cond: a==0
 18655  	// result: x
 18656  	for {
 18657  		a := auxIntToUint8(v.AuxInt)
 18658  		x := v_0
 18659  		if !(a == 0) {
 18660  			break
 18661  		}
 18662  		v.copyOf(x)
 18663  		return true
 18664  	}
 18665  	return false
 18666  }
 18667  func rewriteValueARM64_OpARM64VSSHLL16B(v *Value) bool {
 18668  	v_0 := v.Args[0]
 18669  	// match: (VSSHLL16B [a] (VDUPDextr [1] x))
 18670  	// result: (VSSHLL2_16B [a] x)
 18671  	for {
 18672  		a := auxIntToUint8(v.AuxInt)
 18673  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18674  			break
 18675  		}
 18676  		x := v_0.Args[0]
 18677  		v.reset(OpARM64VSSHLL2_16B)
 18678  		v.AuxInt = uint8ToAuxInt(a)
 18679  		v.AddArg(x)
 18680  		return true
 18681  	}
 18682  	return false
 18683  }
 18684  func rewriteValueARM64_OpARM64VSSHLL4S(v *Value) bool {
 18685  	v_0 := v.Args[0]
 18686  	// match: (VSSHLL4S [a] (VDUPDextr [1] x))
 18687  	// result: (VSSHLL2_4S [a] x)
 18688  	for {
 18689  		a := auxIntToUint8(v.AuxInt)
 18690  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18691  			break
 18692  		}
 18693  		x := v_0.Args[0]
 18694  		v.reset(OpARM64VSSHLL2_4S)
 18695  		v.AuxInt = uint8ToAuxInt(a)
 18696  		v.AddArg(x)
 18697  		return true
 18698  	}
 18699  	return false
 18700  }
 18701  func rewriteValueARM64_OpARM64VSSHLL8H(v *Value) bool {
 18702  	v_0 := v.Args[0]
 18703  	// match: (VSSHLL8H [a] (VDUPDextr [1] x))
 18704  	// result: (VSSHLL2_8H [a] x)
 18705  	for {
 18706  		a := auxIntToUint8(v.AuxInt)
 18707  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18708  			break
 18709  		}
 18710  		x := v_0.Args[0]
 18711  		v.reset(OpARM64VSSHLL2_8H)
 18712  		v.AuxInt = uint8ToAuxInt(a)
 18713  		v.AddArg(x)
 18714  		return true
 18715  	}
 18716  	return false
 18717  }
 18718  func rewriteValueARM64_OpARM64VSSHR16B(v *Value) bool {
 18719  	v_0 := v.Args[0]
 18720  	// match: (VSSHR16B [a] x)
 18721  	// cond: a==0
 18722  	// result: x
 18723  	for {
 18724  		a := auxIntToUint8(v.AuxInt)
 18725  		x := v_0
 18726  		if !(a == 0) {
 18727  			break
 18728  		}
 18729  		v.copyOf(x)
 18730  		return true
 18731  	}
 18732  	return false
 18733  }
 18734  func rewriteValueARM64_OpARM64VSSHR2D(v *Value) bool {
 18735  	v_0 := v.Args[0]
 18736  	// match: (VSSHR2D [a] x)
 18737  	// cond: a==0
 18738  	// result: x
 18739  	for {
 18740  		a := auxIntToUint8(v.AuxInt)
 18741  		x := v_0
 18742  		if !(a == 0) {
 18743  			break
 18744  		}
 18745  		v.copyOf(x)
 18746  		return true
 18747  	}
 18748  	return false
 18749  }
 18750  func rewriteValueARM64_OpARM64VSSHR4S(v *Value) bool {
 18751  	v_0 := v.Args[0]
 18752  	// match: (VSSHR4S [a] x)
 18753  	// cond: a==0
 18754  	// result: x
 18755  	for {
 18756  		a := auxIntToUint8(v.AuxInt)
 18757  		x := v_0
 18758  		if !(a == 0) {
 18759  			break
 18760  		}
 18761  		v.copyOf(x)
 18762  		return true
 18763  	}
 18764  	return false
 18765  }
 18766  func rewriteValueARM64_OpARM64VSSHR8H(v *Value) bool {
 18767  	v_0 := v.Args[0]
 18768  	// match: (VSSHR8H [a] x)
 18769  	// cond: a==0
 18770  	// result: x
 18771  	for {
 18772  		a := auxIntToUint8(v.AuxInt)
 18773  		x := v_0
 18774  		if !(a == 0) {
 18775  			break
 18776  		}
 18777  		v.copyOf(x)
 18778  		return true
 18779  	}
 18780  	return false
 18781  }
 18782  func rewriteValueARM64_OpARM64VSXTL16B(v *Value) bool {
 18783  	v_0 := v.Args[0]
 18784  	// match: (VSXTL16B (VDUPDextr [1] x))
 18785  	// result: (VSXTL2_16B x)
 18786  	for {
 18787  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18788  			break
 18789  		}
 18790  		x := v_0.Args[0]
 18791  		v.reset(OpARM64VSXTL2_16B)
 18792  		v.AddArg(x)
 18793  		return true
 18794  	}
 18795  	return false
 18796  }
 18797  func rewriteValueARM64_OpARM64VSXTL4S(v *Value) bool {
 18798  	v_0 := v.Args[0]
 18799  	// match: (VSXTL4S (VDUPDextr [1] x))
 18800  	// result: (VSXTL2_4S x)
 18801  	for {
 18802  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18803  			break
 18804  		}
 18805  		x := v_0.Args[0]
 18806  		v.reset(OpARM64VSXTL2_4S)
 18807  		v.AddArg(x)
 18808  		return true
 18809  	}
 18810  	return false
 18811  }
 18812  func rewriteValueARM64_OpARM64VSXTL8H(v *Value) bool {
 18813  	v_0 := v.Args[0]
 18814  	// match: (VSXTL8H (VDUPDextr [1] x))
 18815  	// result: (VSXTL2_8H x)
 18816  	for {
 18817  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18818  			break
 18819  		}
 18820  		x := v_0.Args[0]
 18821  		v.reset(OpARM64VSXTL2_8H)
 18822  		v.AddArg(x)
 18823  		return true
 18824  	}
 18825  	return false
 18826  }
 18827  func rewriteValueARM64_OpARM64VUMULL16B(v *Value) bool {
 18828  	v_1 := v.Args[1]
 18829  	v_0 := v.Args[0]
 18830  	// match: (VUMULL16B (VDUPDextr [1] x) (VDUPDextr [1] y))
 18831  	// result: (VUMULL2_16B x y)
 18832  	for {
 18833  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18834  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18835  				continue
 18836  			}
 18837  			x := v_0.Args[0]
 18838  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18839  				continue
 18840  			}
 18841  			y := v_1.Args[0]
 18842  			v.reset(OpARM64VUMULL2_16B)
 18843  			v.AddArg2(x, y)
 18844  			return true
 18845  		}
 18846  		break
 18847  	}
 18848  	return false
 18849  }
 18850  func rewriteValueARM64_OpARM64VUMULL4S(v *Value) bool {
 18851  	v_1 := v.Args[1]
 18852  	v_0 := v.Args[0]
 18853  	// match: (VUMULL4S (VDUPDextr [1] x) (VDUPDextr [1] y))
 18854  	// result: (VUMULL2_4S x y)
 18855  	for {
 18856  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18857  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18858  				continue
 18859  			}
 18860  			x := v_0.Args[0]
 18861  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18862  				continue
 18863  			}
 18864  			y := v_1.Args[0]
 18865  			v.reset(OpARM64VUMULL2_4S)
 18866  			v.AddArg2(x, y)
 18867  			return true
 18868  		}
 18869  		break
 18870  	}
 18871  	return false
 18872  }
 18873  func rewriteValueARM64_OpARM64VUMULL8H(v *Value) bool {
 18874  	v_1 := v.Args[1]
 18875  	v_0 := v.Args[0]
 18876  	// match: (VUMULL8H (VDUPDextr [1] x) (VDUPDextr [1] y))
 18877  	// result: (VUMULL2_8H x y)
 18878  	for {
 18879  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18880  			if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18881  				continue
 18882  			}
 18883  			x := v_0.Args[0]
 18884  			if v_1.Op != OpARM64VDUPDextr || auxIntToUint8(v_1.AuxInt) != 1 {
 18885  				continue
 18886  			}
 18887  			y := v_1.Args[0]
 18888  			v.reset(OpARM64VUMULL2_8H)
 18889  			v.AddArg2(x, y)
 18890  			return true
 18891  		}
 18892  		break
 18893  	}
 18894  	return false
 18895  }
 18896  func rewriteValueARM64_OpARM64VUQSHL16Bconst(v *Value) bool {
 18897  	v_0 := v.Args[0]
 18898  	// match: (VUQSHL16Bconst [a] x)
 18899  	// cond: a==0
 18900  	// result: x
 18901  	for {
 18902  		a := auxIntToUint8(v.AuxInt)
 18903  		x := v_0
 18904  		if !(a == 0) {
 18905  			break
 18906  		}
 18907  		v.copyOf(x)
 18908  		return true
 18909  	}
 18910  	return false
 18911  }
 18912  func rewriteValueARM64_OpARM64VUQSHL2Dconst(v *Value) bool {
 18913  	v_0 := v.Args[0]
 18914  	// match: (VUQSHL2Dconst [a] x)
 18915  	// cond: a==0
 18916  	// result: x
 18917  	for {
 18918  		a := auxIntToUint8(v.AuxInt)
 18919  		x := v_0
 18920  		if !(a == 0) {
 18921  			break
 18922  		}
 18923  		v.copyOf(x)
 18924  		return true
 18925  	}
 18926  	return false
 18927  }
 18928  func rewriteValueARM64_OpARM64VUQSHL4Sconst(v *Value) bool {
 18929  	v_0 := v.Args[0]
 18930  	// match: (VUQSHL4Sconst [a] x)
 18931  	// cond: a==0
 18932  	// result: x
 18933  	for {
 18934  		a := auxIntToUint8(v.AuxInt)
 18935  		x := v_0
 18936  		if !(a == 0) {
 18937  			break
 18938  		}
 18939  		v.copyOf(x)
 18940  		return true
 18941  	}
 18942  	return false
 18943  }
 18944  func rewriteValueARM64_OpARM64VUQSHL8Hconst(v *Value) bool {
 18945  	v_0 := v.Args[0]
 18946  	// match: (VUQSHL8Hconst [a] x)
 18947  	// cond: a==0
 18948  	// result: x
 18949  	for {
 18950  		a := auxIntToUint8(v.AuxInt)
 18951  		x := v_0
 18952  		if !(a == 0) {
 18953  			break
 18954  		}
 18955  		v.copyOf(x)
 18956  		return true
 18957  	}
 18958  	return false
 18959  }
 18960  func rewriteValueARM64_OpARM64VUSHLL16B(v *Value) bool {
 18961  	v_0 := v.Args[0]
 18962  	// match: (VUSHLL16B [a] (VDUPDextr [1] x))
 18963  	// result: (VUSHLL2_16B [a] x)
 18964  	for {
 18965  		a := auxIntToUint8(v.AuxInt)
 18966  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18967  			break
 18968  		}
 18969  		x := v_0.Args[0]
 18970  		v.reset(OpARM64VUSHLL2_16B)
 18971  		v.AuxInt = uint8ToAuxInt(a)
 18972  		v.AddArg(x)
 18973  		return true
 18974  	}
 18975  	return false
 18976  }
 18977  func rewriteValueARM64_OpARM64VUSHLL4S(v *Value) bool {
 18978  	v_0 := v.Args[0]
 18979  	// match: (VUSHLL4S [a] (VDUPDextr [1] x))
 18980  	// result: (VUSHLL2_4S [a] x)
 18981  	for {
 18982  		a := auxIntToUint8(v.AuxInt)
 18983  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 18984  			break
 18985  		}
 18986  		x := v_0.Args[0]
 18987  		v.reset(OpARM64VUSHLL2_4S)
 18988  		v.AuxInt = uint8ToAuxInt(a)
 18989  		v.AddArg(x)
 18990  		return true
 18991  	}
 18992  	return false
 18993  }
 18994  func rewriteValueARM64_OpARM64VUSHLL8H(v *Value) bool {
 18995  	v_0 := v.Args[0]
 18996  	// match: (VUSHLL8H [a] (VDUPDextr [1] x))
 18997  	// result: (VUSHLL2_8H [a] x)
 18998  	for {
 18999  		a := auxIntToUint8(v.AuxInt)
 19000  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 19001  			break
 19002  		}
 19003  		x := v_0.Args[0]
 19004  		v.reset(OpARM64VUSHLL2_8H)
 19005  		v.AuxInt = uint8ToAuxInt(a)
 19006  		v.AddArg(x)
 19007  		return true
 19008  	}
 19009  	return false
 19010  }
 19011  func rewriteValueARM64_OpARM64VUSHR16B(v *Value) bool {
 19012  	v_0 := v.Args[0]
 19013  	// match: (VUSHR16B [a] x)
 19014  	// cond: a==0
 19015  	// result: x
 19016  	for {
 19017  		a := auxIntToUint8(v.AuxInt)
 19018  		x := v_0
 19019  		if !(a == 0) {
 19020  			break
 19021  		}
 19022  		v.copyOf(x)
 19023  		return true
 19024  	}
 19025  	return false
 19026  }
 19027  func rewriteValueARM64_OpARM64VUSHR2D(v *Value) bool {
 19028  	v_0 := v.Args[0]
 19029  	// match: (VUSHR2D [a] x)
 19030  	// cond: a==0
 19031  	// result: x
 19032  	for {
 19033  		a := auxIntToUint8(v.AuxInt)
 19034  		x := v_0
 19035  		if !(a == 0) {
 19036  			break
 19037  		}
 19038  		v.copyOf(x)
 19039  		return true
 19040  	}
 19041  	return false
 19042  }
 19043  func rewriteValueARM64_OpARM64VUSHR4S(v *Value) bool {
 19044  	v_0 := v.Args[0]
 19045  	// match: (VUSHR4S [a] x)
 19046  	// cond: a==0
 19047  	// result: x
 19048  	for {
 19049  		a := auxIntToUint8(v.AuxInt)
 19050  		x := v_0
 19051  		if !(a == 0) {
 19052  			break
 19053  		}
 19054  		v.copyOf(x)
 19055  		return true
 19056  	}
 19057  	return false
 19058  }
 19059  func rewriteValueARM64_OpARM64VUSHR8H(v *Value) bool {
 19060  	v_0 := v.Args[0]
 19061  	// match: (VUSHR8H [a] x)
 19062  	// cond: a==0
 19063  	// result: x
 19064  	for {
 19065  		a := auxIntToUint8(v.AuxInt)
 19066  		x := v_0
 19067  		if !(a == 0) {
 19068  			break
 19069  		}
 19070  		v.copyOf(x)
 19071  		return true
 19072  	}
 19073  	return false
 19074  }
 19075  func rewriteValueARM64_OpARM64VUXTL16B(v *Value) bool {
 19076  	v_0 := v.Args[0]
 19077  	// match: (VUXTL16B (VDUPDextr [1] x))
 19078  	// result: (VUXTL2_16B x)
 19079  	for {
 19080  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 19081  			break
 19082  		}
 19083  		x := v_0.Args[0]
 19084  		v.reset(OpARM64VUXTL2_16B)
 19085  		v.AddArg(x)
 19086  		return true
 19087  	}
 19088  	return false
 19089  }
 19090  func rewriteValueARM64_OpARM64VUXTL4S(v *Value) bool {
 19091  	v_0 := v.Args[0]
 19092  	// match: (VUXTL4S (VDUPDextr [1] x))
 19093  	// result: (VUXTL2_4S x)
 19094  	for {
 19095  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 19096  			break
 19097  		}
 19098  		x := v_0.Args[0]
 19099  		v.reset(OpARM64VUXTL2_4S)
 19100  		v.AddArg(x)
 19101  		return true
 19102  	}
 19103  	return false
 19104  }
 19105  func rewriteValueARM64_OpARM64VUXTL8H(v *Value) bool {
 19106  	v_0 := v.Args[0]
 19107  	// match: (VUXTL8H (VDUPDextr [1] x))
 19108  	// result: (VUXTL2_8H x)
 19109  	for {
 19110  		if v_0.Op != OpARM64VDUPDextr || auxIntToUint8(v_0.AuxInt) != 1 {
 19111  			break
 19112  		}
 19113  		x := v_0.Args[0]
 19114  		v.reset(OpARM64VUXTL2_8H)
 19115  		v.AddArg(x)
 19116  		return true
 19117  	}
 19118  	return false
 19119  }
 19120  func rewriteValueARM64_OpARM64XOR(v *Value) bool {
 19121  	v_1 := v.Args[1]
 19122  	v_0 := v.Args[0]
 19123  	// match: (XOR x (MOVDconst [c]))
 19124  	// result: (XORconst [c] x)
 19125  	for {
 19126  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 19127  			x := v_0
 19128  			if v_1.Op != OpARM64MOVDconst {
 19129  				continue
 19130  			}
 19131  			c := auxIntToInt64(v_1.AuxInt)
 19132  			v.reset(OpARM64XORconst)
 19133  			v.AuxInt = int64ToAuxInt(c)
 19134  			v.AddArg(x)
 19135  			return true
 19136  		}
 19137  		break
 19138  	}
 19139  	// match: (XOR x x)
 19140  	// result: (MOVDconst [0])
 19141  	for {
 19142  		x := v_0
 19143  		if x != v_1 {
 19144  			break
 19145  		}
 19146  		v.reset(OpARM64MOVDconst)
 19147  		v.AuxInt = int64ToAuxInt(0)
 19148  		return true
 19149  	}
 19150  	// match: (XOR x (MVN y))
 19151  	// result: (EON x y)
 19152  	for {
 19153  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 19154  			x := v_0
 19155  			if v_1.Op != OpARM64MVN {
 19156  				continue
 19157  			}
 19158  			y := v_1.Args[0]
 19159  			v.reset(OpARM64EON)
 19160  			v.AddArg2(x, y)
 19161  			return true
 19162  		}
 19163  		break
 19164  	}
 19165  	// match: (XOR x0 x1:(SLLconst [c] y))
 19166  	// cond: clobberIfDead(x1)
 19167  	// result: (XORshiftLL x0 y [c])
 19168  	for {
 19169  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 19170  			x0 := v_0
 19171  			x1 := v_1
 19172  			if x1.Op != OpARM64SLLconst {
 19173  				continue
 19174  			}
 19175  			c := auxIntToInt64(x1.AuxInt)
 19176  			y := x1.Args[0]
 19177  			if !(clobberIfDead(x1)) {
 19178  				continue
 19179  			}
 19180  			v.reset(OpARM64XORshiftLL)
 19181  			v.AuxInt = int64ToAuxInt(c)
 19182  			v.AddArg2(x0, y)
 19183  			return true
 19184  		}
 19185  		break
 19186  	}
 19187  	// match: (XOR x0 x1:(SRLconst [c] y))
 19188  	// cond: clobberIfDead(x1)
 19189  	// result: (XORshiftRL x0 y [c])
 19190  	for {
 19191  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 19192  			x0 := v_0
 19193  			x1 := v_1
 19194  			if x1.Op != OpARM64SRLconst {
 19195  				continue
 19196  			}
 19197  			c := auxIntToInt64(x1.AuxInt)
 19198  			y := x1.Args[0]
 19199  			if !(clobberIfDead(x1)) {
 19200  				continue
 19201  			}
 19202  			v.reset(OpARM64XORshiftRL)
 19203  			v.AuxInt = int64ToAuxInt(c)
 19204  			v.AddArg2(x0, y)
 19205  			return true
 19206  		}
 19207  		break
 19208  	}
 19209  	// match: (XOR x0 x1:(SRAconst [c] y))
 19210  	// cond: clobberIfDead(x1)
 19211  	// result: (XORshiftRA x0 y [c])
 19212  	for {
 19213  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 19214  			x0 := v_0
 19215  			x1 := v_1
 19216  			if x1.Op != OpARM64SRAconst {
 19217  				continue
 19218  			}
 19219  			c := auxIntToInt64(x1.AuxInt)
 19220  			y := x1.Args[0]
 19221  			if !(clobberIfDead(x1)) {
 19222  				continue
 19223  			}
 19224  			v.reset(OpARM64XORshiftRA)
 19225  			v.AuxInt = int64ToAuxInt(c)
 19226  			v.AddArg2(x0, y)
 19227  			return true
 19228  		}
 19229  		break
 19230  	}
 19231  	// match: (XOR x0 x1:(RORconst [c] y))
 19232  	// cond: clobberIfDead(x1)
 19233  	// result: (XORshiftRO x0 y [c])
 19234  	for {
 19235  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 19236  			x0 := v_0
 19237  			x1 := v_1
 19238  			if x1.Op != OpARM64RORconst {
 19239  				continue
 19240  			}
 19241  			c := auxIntToInt64(x1.AuxInt)
 19242  			y := x1.Args[0]
 19243  			if !(clobberIfDead(x1)) {
 19244  				continue
 19245  			}
 19246  			v.reset(OpARM64XORshiftRO)
 19247  			v.AuxInt = int64ToAuxInt(c)
 19248  			v.AddArg2(x0, y)
 19249  			return true
 19250  		}
 19251  		break
 19252  	}
 19253  	return false
 19254  }
 19255  func rewriteValueARM64_OpARM64XORconst(v *Value) bool {
 19256  	v_0 := v.Args[0]
 19257  	// match: (XORconst [0] x)
 19258  	// result: x
 19259  	for {
 19260  		if auxIntToInt64(v.AuxInt) != 0 {
 19261  			break
 19262  		}
 19263  		x := v_0
 19264  		v.copyOf(x)
 19265  		return true
 19266  	}
 19267  	// match: (XORconst [-1] x)
 19268  	// result: (MVN x)
 19269  	for {
 19270  		if auxIntToInt64(v.AuxInt) != -1 {
 19271  			break
 19272  		}
 19273  		x := v_0
 19274  		v.reset(OpARM64MVN)
 19275  		v.AddArg(x)
 19276  		return true
 19277  	}
 19278  	// match: (XORconst [c] (MOVDconst [d]))
 19279  	// result: (MOVDconst [c^d])
 19280  	for {
 19281  		c := auxIntToInt64(v.AuxInt)
 19282  		if v_0.Op != OpARM64MOVDconst {
 19283  			break
 19284  		}
 19285  		d := auxIntToInt64(v_0.AuxInt)
 19286  		v.reset(OpARM64MOVDconst)
 19287  		v.AuxInt = int64ToAuxInt(c ^ d)
 19288  		return true
 19289  	}
 19290  	// match: (XORconst [c] (XORconst [d] x))
 19291  	// result: (XORconst [c^d] x)
 19292  	for {
 19293  		c := auxIntToInt64(v.AuxInt)
 19294  		if v_0.Op != OpARM64XORconst {
 19295  			break
 19296  		}
 19297  		d := auxIntToInt64(v_0.AuxInt)
 19298  		x := v_0.Args[0]
 19299  		v.reset(OpARM64XORconst)
 19300  		v.AuxInt = int64ToAuxInt(c ^ d)
 19301  		v.AddArg(x)
 19302  		return true
 19303  	}
 19304  	return false
 19305  }
 19306  func rewriteValueARM64_OpARM64XORshiftLL(v *Value) bool {
 19307  	v_1 := v.Args[1]
 19308  	v_0 := v.Args[0]
 19309  	b := v.Block
 19310  	typ := &b.Func.Config.Types
 19311  	// match: (XORshiftLL (MOVDconst [c]) x [d])
 19312  	// result: (XORconst [c] (SLLconst <x.Type> x [d]))
 19313  	for {
 19314  		d := auxIntToInt64(v.AuxInt)
 19315  		if v_0.Op != OpARM64MOVDconst {
 19316  			break
 19317  		}
 19318  		c := auxIntToInt64(v_0.AuxInt)
 19319  		x := v_1
 19320  		v.reset(OpARM64XORconst)
 19321  		v.AuxInt = int64ToAuxInt(c)
 19322  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 19323  		v0.AuxInt = int64ToAuxInt(d)
 19324  		v0.AddArg(x)
 19325  		v.AddArg(v0)
 19326  		return true
 19327  	}
 19328  	// match: (XORshiftLL x (MOVDconst [c]) [d])
 19329  	// result: (XORconst x [int64(uint64(c)<<uint64(d))])
 19330  	for {
 19331  		d := auxIntToInt64(v.AuxInt)
 19332  		x := v_0
 19333  		if v_1.Op != OpARM64MOVDconst {
 19334  			break
 19335  		}
 19336  		c := auxIntToInt64(v_1.AuxInt)
 19337  		v.reset(OpARM64XORconst)
 19338  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 19339  		v.AddArg(x)
 19340  		return true
 19341  	}
 19342  	// match: (XORshiftLL (SLLconst x [c]) x [c])
 19343  	// result: (MOVDconst [0])
 19344  	for {
 19345  		c := auxIntToInt64(v.AuxInt)
 19346  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 19347  			break
 19348  		}
 19349  		x := v_0.Args[0]
 19350  		if x != v_1 {
 19351  			break
 19352  		}
 19353  		v.reset(OpARM64MOVDconst)
 19354  		v.AuxInt = int64ToAuxInt(0)
 19355  		return true
 19356  	}
 19357  	// match: (XORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
 19358  	// result: (REV16W x)
 19359  	for {
 19360  		if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) {
 19361  			break
 19362  		}
 19363  		x := v_0.Args[0]
 19364  		if x != v_1 {
 19365  			break
 19366  		}
 19367  		v.reset(OpARM64REV16W)
 19368  		v.AddArg(x)
 19369  		return true
 19370  	}
 19371  	// match: (XORshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
 19372  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
 19373  	// result: (REV16W x)
 19374  	for {
 19375  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
 19376  			break
 19377  		}
 19378  		v_0_0 := v_0.Args[0]
 19379  		if v_0_0.Op != OpARM64ANDconst {
 19380  			break
 19381  		}
 19382  		c1 := auxIntToInt64(v_0_0.AuxInt)
 19383  		x := v_0_0.Args[0]
 19384  		if v_1.Op != OpARM64ANDconst {
 19385  			break
 19386  		}
 19387  		c2 := auxIntToInt64(v_1.AuxInt)
 19388  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
 19389  			break
 19390  		}
 19391  		v.reset(OpARM64REV16W)
 19392  		v.AddArg(x)
 19393  		return true
 19394  	}
 19395  	// match: (XORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 19396  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
 19397  	// result: (REV16 x)
 19398  	for {
 19399  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 19400  			break
 19401  		}
 19402  		v_0_0 := v_0.Args[0]
 19403  		if v_0_0.Op != OpARM64ANDconst {
 19404  			break
 19405  		}
 19406  		c1 := auxIntToInt64(v_0_0.AuxInt)
 19407  		x := v_0_0.Args[0]
 19408  		if v_1.Op != OpARM64ANDconst {
 19409  			break
 19410  		}
 19411  		c2 := auxIntToInt64(v_1.AuxInt)
 19412  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
 19413  			break
 19414  		}
 19415  		v.reset(OpARM64REV16)
 19416  		v.AddArg(x)
 19417  		return true
 19418  	}
 19419  	// match: (XORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 19420  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
 19421  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
 19422  	for {
 19423  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 19424  			break
 19425  		}
 19426  		v_0_0 := v_0.Args[0]
 19427  		if v_0_0.Op != OpARM64ANDconst {
 19428  			break
 19429  		}
 19430  		c1 := auxIntToInt64(v_0_0.AuxInt)
 19431  		x := v_0_0.Args[0]
 19432  		if v_1.Op != OpARM64ANDconst {
 19433  			break
 19434  		}
 19435  		c2 := auxIntToInt64(v_1.AuxInt)
 19436  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
 19437  			break
 19438  		}
 19439  		v.reset(OpARM64REV16)
 19440  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
 19441  		v0.AuxInt = int64ToAuxInt(0xffffffff)
 19442  		v0.AddArg(x)
 19443  		v.AddArg(v0)
 19444  		return true
 19445  	}
 19446  	// match: (XORshiftLL [c] (SRLconst x [64-c]) x2)
 19447  	// result: (EXTRconst [64-c] x2 x)
 19448  	for {
 19449  		c := auxIntToInt64(v.AuxInt)
 19450  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
 19451  			break
 19452  		}
 19453  		x := v_0.Args[0]
 19454  		x2 := v_1
 19455  		v.reset(OpARM64EXTRconst)
 19456  		v.AuxInt = int64ToAuxInt(64 - c)
 19457  		v.AddArg2(x2, x)
 19458  		return true
 19459  	}
 19460  	// match: (XORshiftLL <t> [c] (UBFX [bfc] x) x2)
 19461  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
 19462  	// result: (EXTRWconst [32-c] x2 x)
 19463  	for {
 19464  		t := v.Type
 19465  		c := auxIntToInt64(v.AuxInt)
 19466  		if v_0.Op != OpARM64UBFX {
 19467  			break
 19468  		}
 19469  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 19470  		x := v_0.Args[0]
 19471  		x2 := v_1
 19472  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
 19473  			break
 19474  		}
 19475  		v.reset(OpARM64EXTRWconst)
 19476  		v.AuxInt = int64ToAuxInt(32 - c)
 19477  		v.AddArg2(x2, x)
 19478  		return true
 19479  	}
 19480  	return false
 19481  }
 19482  func rewriteValueARM64_OpARM64XORshiftRA(v *Value) bool {
 19483  	v_1 := v.Args[1]
 19484  	v_0 := v.Args[0]
 19485  	b := v.Block
 19486  	// match: (XORshiftRA (MOVDconst [c]) x [d])
 19487  	// result: (XORconst [c] (SRAconst <x.Type> x [d]))
 19488  	for {
 19489  		d := auxIntToInt64(v.AuxInt)
 19490  		if v_0.Op != OpARM64MOVDconst {
 19491  			break
 19492  		}
 19493  		c := auxIntToInt64(v_0.AuxInt)
 19494  		x := v_1
 19495  		v.reset(OpARM64XORconst)
 19496  		v.AuxInt = int64ToAuxInt(c)
 19497  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 19498  		v0.AuxInt = int64ToAuxInt(d)
 19499  		v0.AddArg(x)
 19500  		v.AddArg(v0)
 19501  		return true
 19502  	}
 19503  	// match: (XORshiftRA x (MOVDconst [c]) [d])
 19504  	// result: (XORconst x [c>>uint64(d)])
 19505  	for {
 19506  		d := auxIntToInt64(v.AuxInt)
 19507  		x := v_0
 19508  		if v_1.Op != OpARM64MOVDconst {
 19509  			break
 19510  		}
 19511  		c := auxIntToInt64(v_1.AuxInt)
 19512  		v.reset(OpARM64XORconst)
 19513  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 19514  		v.AddArg(x)
 19515  		return true
 19516  	}
 19517  	// match: (XORshiftRA (SRAconst x [c]) x [c])
 19518  	// result: (MOVDconst [0])
 19519  	for {
 19520  		c := auxIntToInt64(v.AuxInt)
 19521  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 19522  			break
 19523  		}
 19524  		x := v_0.Args[0]
 19525  		if x != v_1 {
 19526  			break
 19527  		}
 19528  		v.reset(OpARM64MOVDconst)
 19529  		v.AuxInt = int64ToAuxInt(0)
 19530  		return true
 19531  	}
 19532  	return false
 19533  }
 19534  func rewriteValueARM64_OpARM64XORshiftRL(v *Value) bool {
 19535  	v_1 := v.Args[1]
 19536  	v_0 := v.Args[0]
 19537  	b := v.Block
 19538  	// match: (XORshiftRL (MOVDconst [c]) x [d])
 19539  	// result: (XORconst [c] (SRLconst <x.Type> x [d]))
 19540  	for {
 19541  		d := auxIntToInt64(v.AuxInt)
 19542  		if v_0.Op != OpARM64MOVDconst {
 19543  			break
 19544  		}
 19545  		c := auxIntToInt64(v_0.AuxInt)
 19546  		x := v_1
 19547  		v.reset(OpARM64XORconst)
 19548  		v.AuxInt = int64ToAuxInt(c)
 19549  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 19550  		v0.AuxInt = int64ToAuxInt(d)
 19551  		v0.AddArg(x)
 19552  		v.AddArg(v0)
 19553  		return true
 19554  	}
 19555  	// match: (XORshiftRL x (MOVDconst [c]) [d])
 19556  	// result: (XORconst x [int64(uint64(c)>>uint64(d))])
 19557  	for {
 19558  		d := auxIntToInt64(v.AuxInt)
 19559  		x := v_0
 19560  		if v_1.Op != OpARM64MOVDconst {
 19561  			break
 19562  		}
 19563  		c := auxIntToInt64(v_1.AuxInt)
 19564  		v.reset(OpARM64XORconst)
 19565  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 19566  		v.AddArg(x)
 19567  		return true
 19568  	}
 19569  	// match: (XORshiftRL (SRLconst x [c]) x [c])
 19570  	// result: (MOVDconst [0])
 19571  	for {
 19572  		c := auxIntToInt64(v.AuxInt)
 19573  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 19574  			break
 19575  		}
 19576  		x := v_0.Args[0]
 19577  		if x != v_1 {
 19578  			break
 19579  		}
 19580  		v.reset(OpARM64MOVDconst)
 19581  		v.AuxInt = int64ToAuxInt(0)
 19582  		return true
 19583  	}
 19584  	return false
 19585  }
 19586  func rewriteValueARM64_OpARM64XORshiftRO(v *Value) bool {
 19587  	v_1 := v.Args[1]
 19588  	v_0 := v.Args[0]
 19589  	b := v.Block
 19590  	// match: (XORshiftRO (MOVDconst [c]) x [d])
 19591  	// result: (XORconst [c] (RORconst <x.Type> x [d]))
 19592  	for {
 19593  		d := auxIntToInt64(v.AuxInt)
 19594  		if v_0.Op != OpARM64MOVDconst {
 19595  			break
 19596  		}
 19597  		c := auxIntToInt64(v_0.AuxInt)
 19598  		x := v_1
 19599  		v.reset(OpARM64XORconst)
 19600  		v.AuxInt = int64ToAuxInt(c)
 19601  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 19602  		v0.AuxInt = int64ToAuxInt(d)
 19603  		v0.AddArg(x)
 19604  		v.AddArg(v0)
 19605  		return true
 19606  	}
 19607  	// match: (XORshiftRO x (MOVDconst [c]) [d])
 19608  	// result: (XORconst x [rotateRight64(c, d)])
 19609  	for {
 19610  		d := auxIntToInt64(v.AuxInt)
 19611  		x := v_0
 19612  		if v_1.Op != OpARM64MOVDconst {
 19613  			break
 19614  		}
 19615  		c := auxIntToInt64(v_1.AuxInt)
 19616  		v.reset(OpARM64XORconst)
 19617  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 19618  		v.AddArg(x)
 19619  		return true
 19620  	}
 19621  	// match: (XORshiftRO (RORconst x [c]) x [c])
 19622  	// result: (MOVDconst [0])
 19623  	for {
 19624  		c := auxIntToInt64(v.AuxInt)
 19625  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
 19626  			break
 19627  		}
 19628  		x := v_0.Args[0]
 19629  		if x != v_1 {
 19630  			break
 19631  		}
 19632  		v.reset(OpARM64MOVDconst)
 19633  		v.AuxInt = int64ToAuxInt(0)
 19634  		return true
 19635  	}
 19636  	return false
 19637  }
 19638  func rewriteValueARM64_OpAddInt8s(v *Value) bool {
 19639  	v_1 := v.Args[1]
 19640  	v_0 := v.Args[0]
 19641  	b := v.Block
 19642  	typ := &b.Func.Config.Types
 19643  	// match: (AddInt8s x y)
 19644  	// result: (ZADDBPred x y (Select0 <types.TypeMask> (PWHILELTB (MOVDconst [0]) (MOVDconst [32]))))
 19645  	for {
 19646  		x := v_0
 19647  		y := v_1
 19648  		v.reset(OpARM64ZADDBPred)
 19649  		v0 := b.NewValue0(v.Pos, OpSelect0, types.TypeMask)
 19650  		v1 := b.NewValue0(v.Pos, OpARM64PWHILELTB, types.NewTuple(typ.Mask, types.TypeFlags))
 19651  		v2 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19652  		v2.AuxInt = int64ToAuxInt(0)
 19653  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19654  		v3.AuxInt = int64ToAuxInt(32)
 19655  		v1.AddArg2(v2, v3)
 19656  		v0.AddArg(v1)
 19657  		v.AddArg3(x, y, v0)
 19658  		return true
 19659  	}
 19660  }
 19661  func rewriteValueARM64_OpAddr(v *Value) bool {
 19662  	v_0 := v.Args[0]
 19663  	// match: (Addr {sym} base)
 19664  	// result: (MOVDaddr {sym} base)
 19665  	for {
 19666  		sym := auxToSym(v.Aux)
 19667  		base := v_0
 19668  		v.reset(OpARM64MOVDaddr)
 19669  		v.Aux = symToAux(sym)
 19670  		v.AddArg(base)
 19671  		return true
 19672  	}
 19673  }
 19674  func rewriteValueARM64_OpAvg64u(v *Value) bool {
 19675  	v_1 := v.Args[1]
 19676  	v_0 := v.Args[0]
 19677  	b := v.Block
 19678  	// match: (Avg64u <t> x y)
 19679  	// result: (ADD (SRLconst <t> (SUB <t> x y) [1]) y)
 19680  	for {
 19681  		t := v.Type
 19682  		x := v_0
 19683  		y := v_1
 19684  		v.reset(OpARM64ADD)
 19685  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, t)
 19686  		v0.AuxInt = int64ToAuxInt(1)
 19687  		v1 := b.NewValue0(v.Pos, OpARM64SUB, t)
 19688  		v1.AddArg2(x, y)
 19689  		v0.AddArg(v1)
 19690  		v.AddArg2(v0, y)
 19691  		return true
 19692  	}
 19693  }
 19694  func rewriteValueARM64_OpBitLen16(v *Value) bool {
 19695  	v_0 := v.Args[0]
 19696  	b := v.Block
 19697  	typ := &b.Func.Config.Types
 19698  	// match: (BitLen16 x)
 19699  	// result: (BitLen64 (ZeroExt16to64 x))
 19700  	for {
 19701  		x := v_0
 19702  		v.reset(OpBitLen64)
 19703  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 19704  		v0.AddArg(x)
 19705  		v.AddArg(v0)
 19706  		return true
 19707  	}
 19708  }
 19709  func rewriteValueARM64_OpBitLen32(v *Value) bool {
 19710  	v_0 := v.Args[0]
 19711  	b := v.Block
 19712  	typ := &b.Func.Config.Types
 19713  	// match: (BitLen32 x)
 19714  	// result: (SUB (MOVDconst [32]) (CLZW <typ.Int> x))
 19715  	for {
 19716  		x := v_0
 19717  		v.reset(OpARM64SUB)
 19718  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19719  		v0.AuxInt = int64ToAuxInt(32)
 19720  		v1 := b.NewValue0(v.Pos, OpARM64CLZW, typ.Int)
 19721  		v1.AddArg(x)
 19722  		v.AddArg2(v0, v1)
 19723  		return true
 19724  	}
 19725  }
 19726  func rewriteValueARM64_OpBitLen64(v *Value) bool {
 19727  	v_0 := v.Args[0]
 19728  	b := v.Block
 19729  	typ := &b.Func.Config.Types
 19730  	// match: (BitLen64 x)
 19731  	// result: (SUB (MOVDconst [64]) (CLZ <typ.Int> x))
 19732  	for {
 19733  		x := v_0
 19734  		v.reset(OpARM64SUB)
 19735  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19736  		v0.AuxInt = int64ToAuxInt(64)
 19737  		v1 := b.NewValue0(v.Pos, OpARM64CLZ, typ.Int)
 19738  		v1.AddArg(x)
 19739  		v.AddArg2(v0, v1)
 19740  		return true
 19741  	}
 19742  }
 19743  func rewriteValueARM64_OpBitLen8(v *Value) bool {
 19744  	v_0 := v.Args[0]
 19745  	b := v.Block
 19746  	typ := &b.Func.Config.Types
 19747  	// match: (BitLen8 x)
 19748  	// result: (BitLen64 (ZeroExt8to64 x))
 19749  	for {
 19750  		x := v_0
 19751  		v.reset(OpBitLen64)
 19752  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 19753  		v0.AddArg(x)
 19754  		v.AddArg(v0)
 19755  		return true
 19756  	}
 19757  }
 19758  func rewriteValueARM64_OpBitRev16(v *Value) bool {
 19759  	v_0 := v.Args[0]
 19760  	b := v.Block
 19761  	typ := &b.Func.Config.Types
 19762  	// match: (BitRev16 x)
 19763  	// result: (SRLconst [48] (RBIT <typ.UInt64> x))
 19764  	for {
 19765  		x := v_0
 19766  		v.reset(OpARM64SRLconst)
 19767  		v.AuxInt = int64ToAuxInt(48)
 19768  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64)
 19769  		v0.AddArg(x)
 19770  		v.AddArg(v0)
 19771  		return true
 19772  	}
 19773  }
 19774  func rewriteValueARM64_OpBitRev8(v *Value) bool {
 19775  	v_0 := v.Args[0]
 19776  	b := v.Block
 19777  	typ := &b.Func.Config.Types
 19778  	// match: (BitRev8 x)
 19779  	// result: (SRLconst [56] (RBIT <typ.UInt64> x))
 19780  	for {
 19781  		x := v_0
 19782  		v.reset(OpARM64SRLconst)
 19783  		v.AuxInt = int64ToAuxInt(56)
 19784  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64)
 19785  		v0.AddArg(x)
 19786  		v.AddArg(v0)
 19787  		return true
 19788  	}
 19789  }
 19790  func rewriteValueARM64_OpCondSelect(v *Value) bool {
 19791  	v_2 := v.Args[2]
 19792  	v_1 := v.Args[1]
 19793  	v_0 := v.Args[0]
 19794  	b := v.Block
 19795  	// match: (CondSelect x y boolval)
 19796  	// cond: flagArg(boolval) != nil
 19797  	// result: (CSEL [boolval.Op] x y flagArg(boolval))
 19798  	for {
 19799  		x := v_0
 19800  		y := v_1
 19801  		boolval := v_2
 19802  		if !(flagArg(boolval) != nil) {
 19803  			break
 19804  		}
 19805  		v.reset(OpARM64CSEL)
 19806  		v.AuxInt = opToAuxInt(boolval.Op)
 19807  		v.AddArg3(x, y, flagArg(boolval))
 19808  		return true
 19809  	}
 19810  	// match: (CondSelect x y boolval)
 19811  	// cond: flagArg(boolval) == nil
 19812  	// result: (CSEL [OpARM64NotEqual] x y (TSTWconst [1] boolval))
 19813  	for {
 19814  		x := v_0
 19815  		y := v_1
 19816  		boolval := v_2
 19817  		if !(flagArg(boolval) == nil) {
 19818  			break
 19819  		}
 19820  		v.reset(OpARM64CSEL)
 19821  		v.AuxInt = opToAuxInt(OpARM64NotEqual)
 19822  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
 19823  		v0.AuxInt = int32ToAuxInt(1)
 19824  		v0.AddArg(boolval)
 19825  		v.AddArg3(x, y, v0)
 19826  		return true
 19827  	}
 19828  	return false
 19829  }
 19830  func rewriteValueARM64_OpConst16(v *Value) bool {
 19831  	// match: (Const16 [val])
 19832  	// result: (MOVDconst [int64(val)])
 19833  	for {
 19834  		val := auxIntToInt16(v.AuxInt)
 19835  		v.reset(OpARM64MOVDconst)
 19836  		v.AuxInt = int64ToAuxInt(int64(val))
 19837  		return true
 19838  	}
 19839  }
 19840  func rewriteValueARM64_OpConst32(v *Value) bool {
 19841  	// match: (Const32 [val])
 19842  	// result: (MOVDconst [int64(val)])
 19843  	for {
 19844  		val := auxIntToInt32(v.AuxInt)
 19845  		v.reset(OpARM64MOVDconst)
 19846  		v.AuxInt = int64ToAuxInt(int64(val))
 19847  		return true
 19848  	}
 19849  }
 19850  func rewriteValueARM64_OpConst32F(v *Value) bool {
 19851  	// match: (Const32F [val])
 19852  	// result: (FMOVSconst [float64(val)])
 19853  	for {
 19854  		val := auxIntToFloat32(v.AuxInt)
 19855  		v.reset(OpARM64FMOVSconst)
 19856  		v.AuxInt = float64ToAuxInt(float64(val))
 19857  		return true
 19858  	}
 19859  }
 19860  func rewriteValueARM64_OpConst64(v *Value) bool {
 19861  	// match: (Const64 [val])
 19862  	// result: (MOVDconst [int64(val)])
 19863  	for {
 19864  		val := auxIntToInt64(v.AuxInt)
 19865  		v.reset(OpARM64MOVDconst)
 19866  		v.AuxInt = int64ToAuxInt(int64(val))
 19867  		return true
 19868  	}
 19869  }
 19870  func rewriteValueARM64_OpConst64F(v *Value) bool {
 19871  	// match: (Const64F [val])
 19872  	// result: (FMOVDconst [float64(val)])
 19873  	for {
 19874  		val := auxIntToFloat64(v.AuxInt)
 19875  		v.reset(OpARM64FMOVDconst)
 19876  		v.AuxInt = float64ToAuxInt(float64(val))
 19877  		return true
 19878  	}
 19879  }
 19880  func rewriteValueARM64_OpConst8(v *Value) bool {
 19881  	// match: (Const8 [val])
 19882  	// result: (MOVDconst [int64(val)])
 19883  	for {
 19884  		val := auxIntToInt8(v.AuxInt)
 19885  		v.reset(OpARM64MOVDconst)
 19886  		v.AuxInt = int64ToAuxInt(int64(val))
 19887  		return true
 19888  	}
 19889  }
 19890  func rewriteValueARM64_OpConstBool(v *Value) bool {
 19891  	// match: (ConstBool [t])
 19892  	// result: (MOVDconst [b2i(t)])
 19893  	for {
 19894  		t := auxIntToBool(v.AuxInt)
 19895  		v.reset(OpARM64MOVDconst)
 19896  		v.AuxInt = int64ToAuxInt(b2i(t))
 19897  		return true
 19898  	}
 19899  }
 19900  func rewriteValueARM64_OpConstNil(v *Value) bool {
 19901  	// match: (ConstNil)
 19902  	// result: (MOVDconst [0])
 19903  	for {
 19904  		v.reset(OpARM64MOVDconst)
 19905  		v.AuxInt = int64ToAuxInt(0)
 19906  		return true
 19907  	}
 19908  }
 19909  func rewriteValueARM64_OpCount8s(v *Value) bool {
 19910  	v_0 := v.Args[0]
 19911  	b := v.Block
 19912  	typ := &b.Func.Config.Types
 19913  	// match: (Count8s r)
 19914  	// result: (Select0 <types.TypeMask> (PWHILELTB (MOVDconst [0]) r))
 19915  	for {
 19916  		r := v_0
 19917  		v.reset(OpSelect0)
 19918  		v.Type = types.TypeMask
 19919  		v0 := b.NewValue0(v.Pos, OpARM64PWHILELTB, types.NewTuple(typ.Mask, types.TypeFlags))
 19920  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19921  		v1.AuxInt = int64ToAuxInt(0)
 19922  		v0.AddArg2(v1, r)
 19923  		v.AddArg(v0)
 19924  		return true
 19925  	}
 19926  }
 19927  func rewriteValueARM64_OpCtz16(v *Value) bool {
 19928  	v_0 := v.Args[0]
 19929  	b := v.Block
 19930  	typ := &b.Func.Config.Types
 19931  	// match: (Ctz16 <t> x)
 19932  	// result: (CLZW <t> (RBITW <typ.UInt32> (ORconst <typ.UInt32> [0x10000] x)))
 19933  	for {
 19934  		t := v.Type
 19935  		x := v_0
 19936  		v.reset(OpARM64CLZW)
 19937  		v.Type = t
 19938  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, typ.UInt32)
 19939  		v1 := b.NewValue0(v.Pos, OpARM64ORconst, typ.UInt32)
 19940  		v1.AuxInt = int64ToAuxInt(0x10000)
 19941  		v1.AddArg(x)
 19942  		v0.AddArg(v1)
 19943  		v.AddArg(v0)
 19944  		return true
 19945  	}
 19946  }
 19947  func rewriteValueARM64_OpCtz32(v *Value) bool {
 19948  	v_0 := v.Args[0]
 19949  	b := v.Block
 19950  	// match: (Ctz32 <t> x)
 19951  	// result: (CLZW (RBITW <t> x))
 19952  	for {
 19953  		t := v.Type
 19954  		x := v_0
 19955  		v.reset(OpARM64CLZW)
 19956  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, t)
 19957  		v0.AddArg(x)
 19958  		v.AddArg(v0)
 19959  		return true
 19960  	}
 19961  }
 19962  func rewriteValueARM64_OpCtz64(v *Value) bool {
 19963  	v_0 := v.Args[0]
 19964  	b := v.Block
 19965  	// match: (Ctz64 <t> x)
 19966  	// result: (CLZ (RBIT <t> x))
 19967  	for {
 19968  		t := v.Type
 19969  		x := v_0
 19970  		v.reset(OpARM64CLZ)
 19971  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, t)
 19972  		v0.AddArg(x)
 19973  		v.AddArg(v0)
 19974  		return true
 19975  	}
 19976  }
 19977  func rewriteValueARM64_OpCtz8(v *Value) bool {
 19978  	v_0 := v.Args[0]
 19979  	b := v.Block
 19980  	typ := &b.Func.Config.Types
 19981  	// match: (Ctz8 <t> x)
 19982  	// result: (CLZW <t> (RBITW <typ.UInt32> (ORconst <typ.UInt32> [0x100] x)))
 19983  	for {
 19984  		t := v.Type
 19985  		x := v_0
 19986  		v.reset(OpARM64CLZW)
 19987  		v.Type = t
 19988  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, typ.UInt32)
 19989  		v1 := b.NewValue0(v.Pos, OpARM64ORconst, typ.UInt32)
 19990  		v1.AuxInt = int64ToAuxInt(0x100)
 19991  		v1.AddArg(x)
 19992  		v0.AddArg(v1)
 19993  		v.AddArg(v0)
 19994  		return true
 19995  	}
 19996  }
 19997  func rewriteValueARM64_OpDiv16(v *Value) bool {
 19998  	v_1 := v.Args[1]
 19999  	v_0 := v.Args[0]
 20000  	b := v.Block
 20001  	typ := &b.Func.Config.Types
 20002  	// match: (Div16 [false] x y)
 20003  	// result: (DIVW (SignExt16to32 x) (SignExt16to32 y))
 20004  	for {
 20005  		if auxIntToBool(v.AuxInt) != false {
 20006  			break
 20007  		}
 20008  		x := v_0
 20009  		y := v_1
 20010  		v.reset(OpARM64DIVW)
 20011  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20012  		v0.AddArg(x)
 20013  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20014  		v1.AddArg(y)
 20015  		v.AddArg2(v0, v1)
 20016  		return true
 20017  	}
 20018  	return false
 20019  }
 20020  func rewriteValueARM64_OpDiv16u(v *Value) bool {
 20021  	v_1 := v.Args[1]
 20022  	v_0 := v.Args[0]
 20023  	b := v.Block
 20024  	typ := &b.Func.Config.Types
 20025  	// match: (Div16u x y)
 20026  	// result: (UDIVW (ZeroExt16to32 x) (ZeroExt16to32 y))
 20027  	for {
 20028  		x := v_0
 20029  		y := v_1
 20030  		v.reset(OpARM64UDIVW)
 20031  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20032  		v0.AddArg(x)
 20033  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20034  		v1.AddArg(y)
 20035  		v.AddArg2(v0, v1)
 20036  		return true
 20037  	}
 20038  }
 20039  func rewriteValueARM64_OpDiv32(v *Value) bool {
 20040  	v_1 := v.Args[1]
 20041  	v_0 := v.Args[0]
 20042  	// match: (Div32 [false] x y)
 20043  	// result: (DIVW x y)
 20044  	for {
 20045  		if auxIntToBool(v.AuxInt) != false {
 20046  			break
 20047  		}
 20048  		x := v_0
 20049  		y := v_1
 20050  		v.reset(OpARM64DIVW)
 20051  		v.AddArg2(x, y)
 20052  		return true
 20053  	}
 20054  	return false
 20055  }
 20056  func rewriteValueARM64_OpDiv64(v *Value) bool {
 20057  	v_1 := v.Args[1]
 20058  	v_0 := v.Args[0]
 20059  	// match: (Div64 [false] x y)
 20060  	// result: (DIV x y)
 20061  	for {
 20062  		if auxIntToBool(v.AuxInt) != false {
 20063  			break
 20064  		}
 20065  		x := v_0
 20066  		y := v_1
 20067  		v.reset(OpARM64DIV)
 20068  		v.AddArg2(x, y)
 20069  		return true
 20070  	}
 20071  	return false
 20072  }
 20073  func rewriteValueARM64_OpDiv8(v *Value) bool {
 20074  	v_1 := v.Args[1]
 20075  	v_0 := v.Args[0]
 20076  	b := v.Block
 20077  	typ := &b.Func.Config.Types
 20078  	// match: (Div8 x y)
 20079  	// result: (DIVW (SignExt8to32 x) (SignExt8to32 y))
 20080  	for {
 20081  		x := v_0
 20082  		y := v_1
 20083  		v.reset(OpARM64DIVW)
 20084  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20085  		v0.AddArg(x)
 20086  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20087  		v1.AddArg(y)
 20088  		v.AddArg2(v0, v1)
 20089  		return true
 20090  	}
 20091  }
 20092  func rewriteValueARM64_OpDiv8u(v *Value) bool {
 20093  	v_1 := v.Args[1]
 20094  	v_0 := v.Args[0]
 20095  	b := v.Block
 20096  	typ := &b.Func.Config.Types
 20097  	// match: (Div8u x y)
 20098  	// result: (UDIVW (ZeroExt8to32 x) (ZeroExt8to32 y))
 20099  	for {
 20100  		x := v_0
 20101  		y := v_1
 20102  		v.reset(OpARM64UDIVW)
 20103  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20104  		v0.AddArg(x)
 20105  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20106  		v1.AddArg(y)
 20107  		v.AddArg2(v0, v1)
 20108  		return true
 20109  	}
 20110  }
 20111  func rewriteValueARM64_OpEq16(v *Value) bool {
 20112  	v_1 := v.Args[1]
 20113  	v_0 := v.Args[0]
 20114  	b := v.Block
 20115  	typ := &b.Func.Config.Types
 20116  	// match: (Eq16 x y)
 20117  	// result: (Equal (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 20118  	for {
 20119  		x := v_0
 20120  		y := v_1
 20121  		v.reset(OpARM64Equal)
 20122  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20123  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20124  		v1.AddArg(x)
 20125  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20126  		v2.AddArg(y)
 20127  		v0.AddArg2(v1, v2)
 20128  		v.AddArg(v0)
 20129  		return true
 20130  	}
 20131  }
 20132  func rewriteValueARM64_OpEq32(v *Value) bool {
 20133  	v_1 := v.Args[1]
 20134  	v_0 := v.Args[0]
 20135  	b := v.Block
 20136  	// match: (Eq32 x y)
 20137  	// result: (Equal (CMPW x y))
 20138  	for {
 20139  		x := v_0
 20140  		y := v_1
 20141  		v.reset(OpARM64Equal)
 20142  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20143  		v0.AddArg2(x, y)
 20144  		v.AddArg(v0)
 20145  		return true
 20146  	}
 20147  }
 20148  func rewriteValueARM64_OpEq32F(v *Value) bool {
 20149  	v_1 := v.Args[1]
 20150  	v_0 := v.Args[0]
 20151  	b := v.Block
 20152  	// match: (Eq32F x y)
 20153  	// result: (Equal (FCMPS x y))
 20154  	for {
 20155  		x := v_0
 20156  		y := v_1
 20157  		v.reset(OpARM64Equal)
 20158  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 20159  		v0.AddArg2(x, y)
 20160  		v.AddArg(v0)
 20161  		return true
 20162  	}
 20163  }
 20164  func rewriteValueARM64_OpEq64(v *Value) bool {
 20165  	v_1 := v.Args[1]
 20166  	v_0 := v.Args[0]
 20167  	b := v.Block
 20168  	// match: (Eq64 x y)
 20169  	// result: (Equal (CMP x y))
 20170  	for {
 20171  		x := v_0
 20172  		y := v_1
 20173  		v.reset(OpARM64Equal)
 20174  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20175  		v0.AddArg2(x, y)
 20176  		v.AddArg(v0)
 20177  		return true
 20178  	}
 20179  }
 20180  func rewriteValueARM64_OpEq64F(v *Value) bool {
 20181  	v_1 := v.Args[1]
 20182  	v_0 := v.Args[0]
 20183  	b := v.Block
 20184  	// match: (Eq64F x y)
 20185  	// result: (Equal (FCMPD x y))
 20186  	for {
 20187  		x := v_0
 20188  		y := v_1
 20189  		v.reset(OpARM64Equal)
 20190  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 20191  		v0.AddArg2(x, y)
 20192  		v.AddArg(v0)
 20193  		return true
 20194  	}
 20195  }
 20196  func rewriteValueARM64_OpEq8(v *Value) bool {
 20197  	v_1 := v.Args[1]
 20198  	v_0 := v.Args[0]
 20199  	b := v.Block
 20200  	typ := &b.Func.Config.Types
 20201  	// match: (Eq8 x y)
 20202  	// result: (Equal (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 20203  	for {
 20204  		x := v_0
 20205  		y := v_1
 20206  		v.reset(OpARM64Equal)
 20207  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20208  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20209  		v1.AddArg(x)
 20210  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20211  		v2.AddArg(y)
 20212  		v0.AddArg2(v1, v2)
 20213  		v.AddArg(v0)
 20214  		return true
 20215  	}
 20216  }
 20217  func rewriteValueARM64_OpEqB(v *Value) bool {
 20218  	v_1 := v.Args[1]
 20219  	v_0 := v.Args[0]
 20220  	b := v.Block
 20221  	typ := &b.Func.Config.Types
 20222  	// match: (EqB x y)
 20223  	// result: (XOR (MOVDconst [1]) (XOR <typ.Bool> x y))
 20224  	for {
 20225  		x := v_0
 20226  		y := v_1
 20227  		v.reset(OpARM64XOR)
 20228  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20229  		v0.AuxInt = int64ToAuxInt(1)
 20230  		v1 := b.NewValue0(v.Pos, OpARM64XOR, typ.Bool)
 20231  		v1.AddArg2(x, y)
 20232  		v.AddArg2(v0, v1)
 20233  		return true
 20234  	}
 20235  }
 20236  func rewriteValueARM64_OpEqPtr(v *Value) bool {
 20237  	v_1 := v.Args[1]
 20238  	v_0 := v.Args[0]
 20239  	b := v.Block
 20240  	// match: (EqPtr x y)
 20241  	// result: (Equal (CMP x y))
 20242  	for {
 20243  		x := v_0
 20244  		y := v_1
 20245  		v.reset(OpARM64Equal)
 20246  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20247  		v0.AddArg2(x, y)
 20248  		v.AddArg(v0)
 20249  		return true
 20250  	}
 20251  }
 20252  func rewriteValueARM64_OpFMA(v *Value) bool {
 20253  	v_2 := v.Args[2]
 20254  	v_1 := v.Args[1]
 20255  	v_0 := v.Args[0]
 20256  	// match: (FMA x y z)
 20257  	// result: (FMADDD z x y)
 20258  	for {
 20259  		x := v_0
 20260  		y := v_1
 20261  		z := v_2
 20262  		v.reset(OpARM64FMADDD)
 20263  		v.AddArg3(z, x, y)
 20264  		return true
 20265  	}
 20266  }
 20267  func rewriteValueARM64_OpGreaterInt8s(v *Value) bool {
 20268  	v_1 := v.Args[1]
 20269  	v_0 := v.Args[0]
 20270  	b := v.Block
 20271  	typ := &b.Func.Config.Types
 20272  	// match: (GreaterInt8s x y)
 20273  	// result: (Select0 <types.TypeMask> (ZCMPGTB x y (Select0 <types.TypeMask> (PWHILELTB (MOVDconst [0]) (MOVDconst [32])))))
 20274  	for {
 20275  		x := v_0
 20276  		y := v_1
 20277  		v.reset(OpSelect0)
 20278  		v.Type = types.TypeMask
 20279  		v0 := b.NewValue0(v.Pos, OpARM64ZCMPGTB, types.NewTuple(typ.Mask, types.TypeFlags))
 20280  		v1 := b.NewValue0(v.Pos, OpSelect0, types.TypeMask)
 20281  		v2 := b.NewValue0(v.Pos, OpARM64PWHILELTB, types.NewTuple(typ.Mask, types.TypeFlags))
 20282  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20283  		v3.AuxInt = int64ToAuxInt(0)
 20284  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20285  		v4.AuxInt = int64ToAuxInt(32)
 20286  		v2.AddArg2(v3, v4)
 20287  		v1.AddArg(v2)
 20288  		v0.AddArg3(x, y, v1)
 20289  		v.AddArg(v0)
 20290  		return true
 20291  	}
 20292  }
 20293  func rewriteValueARM64_OpHmul32(v *Value) bool {
 20294  	v_1 := v.Args[1]
 20295  	v_0 := v.Args[0]
 20296  	b := v.Block
 20297  	typ := &b.Func.Config.Types
 20298  	// match: (Hmul32 x y)
 20299  	// result: (SRAconst (MULL <typ.Int64> x y) [32])
 20300  	for {
 20301  		x := v_0
 20302  		y := v_1
 20303  		v.reset(OpARM64SRAconst)
 20304  		v.AuxInt = int64ToAuxInt(32)
 20305  		v0 := b.NewValue0(v.Pos, OpARM64MULL, typ.Int64)
 20306  		v0.AddArg2(x, y)
 20307  		v.AddArg(v0)
 20308  		return true
 20309  	}
 20310  }
 20311  func rewriteValueARM64_OpHmul32u(v *Value) bool {
 20312  	v_1 := v.Args[1]
 20313  	v_0 := v.Args[0]
 20314  	b := v.Block
 20315  	typ := &b.Func.Config.Types
 20316  	// match: (Hmul32u x y)
 20317  	// result: (SRAconst (UMULL <typ.UInt64> x y) [32])
 20318  	for {
 20319  		x := v_0
 20320  		y := v_1
 20321  		v.reset(OpARM64SRAconst)
 20322  		v.AuxInt = int64ToAuxInt(32)
 20323  		v0 := b.NewValue0(v.Pos, OpARM64UMULL, typ.UInt64)
 20324  		v0.AddArg2(x, y)
 20325  		v.AddArg(v0)
 20326  		return true
 20327  	}
 20328  }
 20329  func rewriteValueARM64_OpIsInBounds(v *Value) bool {
 20330  	v_1 := v.Args[1]
 20331  	v_0 := v.Args[0]
 20332  	b := v.Block
 20333  	// match: (IsInBounds idx len)
 20334  	// result: (LessThanU (CMP idx len))
 20335  	for {
 20336  		idx := v_0
 20337  		len := v_1
 20338  		v.reset(OpARM64LessThanU)
 20339  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20340  		v0.AddArg2(idx, len)
 20341  		v.AddArg(v0)
 20342  		return true
 20343  	}
 20344  }
 20345  func rewriteValueARM64_OpIsNonNil(v *Value) bool {
 20346  	v_0 := v.Args[0]
 20347  	b := v.Block
 20348  	// match: (IsNonNil ptr)
 20349  	// result: (NotEqual (CMPconst [0] ptr))
 20350  	for {
 20351  		ptr := v_0
 20352  		v.reset(OpARM64NotEqual)
 20353  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20354  		v0.AuxInt = int64ToAuxInt(0)
 20355  		v0.AddArg(ptr)
 20356  		v.AddArg(v0)
 20357  		return true
 20358  	}
 20359  }
 20360  func rewriteValueARM64_OpIsSliceInBounds(v *Value) bool {
 20361  	v_1 := v.Args[1]
 20362  	v_0 := v.Args[0]
 20363  	b := v.Block
 20364  	// match: (IsSliceInBounds idx len)
 20365  	// result: (LessEqualU (CMP idx len))
 20366  	for {
 20367  		idx := v_0
 20368  		len := v_1
 20369  		v.reset(OpARM64LessEqualU)
 20370  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20371  		v0.AddArg2(idx, len)
 20372  		v.AddArg(v0)
 20373  		return true
 20374  	}
 20375  }
 20376  func rewriteValueARM64_OpLeq16(v *Value) bool {
 20377  	v_1 := v.Args[1]
 20378  	v_0 := v.Args[0]
 20379  	b := v.Block
 20380  	typ := &b.Func.Config.Types
 20381  	// match: (Leq16 x y)
 20382  	// result: (LessEqual (CMPW (SignExt16to32 x) (SignExt16to32 y)))
 20383  	for {
 20384  		x := v_0
 20385  		y := v_1
 20386  		v.reset(OpARM64LessEqual)
 20387  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20388  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20389  		v1.AddArg(x)
 20390  		v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20391  		v2.AddArg(y)
 20392  		v0.AddArg2(v1, v2)
 20393  		v.AddArg(v0)
 20394  		return true
 20395  	}
 20396  }
 20397  func rewriteValueARM64_OpLeq16U(v *Value) bool {
 20398  	v_1 := v.Args[1]
 20399  	v_0 := v.Args[0]
 20400  	b := v.Block
 20401  	typ := &b.Func.Config.Types
 20402  	// match: (Leq16U x zero:(MOVDconst [0]))
 20403  	// result: (Eq16 x zero)
 20404  	for {
 20405  		x := v_0
 20406  		zero := v_1
 20407  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20408  			break
 20409  		}
 20410  		v.reset(OpEq16)
 20411  		v.AddArg2(x, zero)
 20412  		return true
 20413  	}
 20414  	// match: (Leq16U (MOVDconst [1]) x)
 20415  	// result: (Neq16 (MOVDconst [0]) x)
 20416  	for {
 20417  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 20418  			break
 20419  		}
 20420  		x := v_1
 20421  		v.reset(OpNeq16)
 20422  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20423  		v0.AuxInt = int64ToAuxInt(0)
 20424  		v.AddArg2(v0, x)
 20425  		return true
 20426  	}
 20427  	// match: (Leq16U x y)
 20428  	// result: (LessEqualU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 20429  	for {
 20430  		x := v_0
 20431  		y := v_1
 20432  		v.reset(OpARM64LessEqualU)
 20433  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20434  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20435  		v1.AddArg(x)
 20436  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20437  		v2.AddArg(y)
 20438  		v0.AddArg2(v1, v2)
 20439  		v.AddArg(v0)
 20440  		return true
 20441  	}
 20442  }
 20443  func rewriteValueARM64_OpLeq32(v *Value) bool {
 20444  	v_1 := v.Args[1]
 20445  	v_0 := v.Args[0]
 20446  	b := v.Block
 20447  	// match: (Leq32 x y)
 20448  	// result: (LessEqual (CMPW x y))
 20449  	for {
 20450  		x := v_0
 20451  		y := v_1
 20452  		v.reset(OpARM64LessEqual)
 20453  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20454  		v0.AddArg2(x, y)
 20455  		v.AddArg(v0)
 20456  		return true
 20457  	}
 20458  }
 20459  func rewriteValueARM64_OpLeq32F(v *Value) bool {
 20460  	v_1 := v.Args[1]
 20461  	v_0 := v.Args[0]
 20462  	b := v.Block
 20463  	// match: (Leq32F x y)
 20464  	// result: (LessEqualF (FCMPS x y))
 20465  	for {
 20466  		x := v_0
 20467  		y := v_1
 20468  		v.reset(OpARM64LessEqualF)
 20469  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 20470  		v0.AddArg2(x, y)
 20471  		v.AddArg(v0)
 20472  		return true
 20473  	}
 20474  }
 20475  func rewriteValueARM64_OpLeq32U(v *Value) bool {
 20476  	v_1 := v.Args[1]
 20477  	v_0 := v.Args[0]
 20478  	b := v.Block
 20479  	typ := &b.Func.Config.Types
 20480  	// match: (Leq32U x zero:(MOVDconst [0]))
 20481  	// result: (Eq32 x zero)
 20482  	for {
 20483  		x := v_0
 20484  		zero := v_1
 20485  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20486  			break
 20487  		}
 20488  		v.reset(OpEq32)
 20489  		v.AddArg2(x, zero)
 20490  		return true
 20491  	}
 20492  	// match: (Leq32U (MOVDconst [1]) x)
 20493  	// result: (Neq32 (MOVDconst [0]) x)
 20494  	for {
 20495  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 20496  			break
 20497  		}
 20498  		x := v_1
 20499  		v.reset(OpNeq32)
 20500  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20501  		v0.AuxInt = int64ToAuxInt(0)
 20502  		v.AddArg2(v0, x)
 20503  		return true
 20504  	}
 20505  	// match: (Leq32U x y)
 20506  	// result: (LessEqualU (CMPW x y))
 20507  	for {
 20508  		x := v_0
 20509  		y := v_1
 20510  		v.reset(OpARM64LessEqualU)
 20511  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20512  		v0.AddArg2(x, y)
 20513  		v.AddArg(v0)
 20514  		return true
 20515  	}
 20516  }
 20517  func rewriteValueARM64_OpLeq64(v *Value) bool {
 20518  	v_1 := v.Args[1]
 20519  	v_0 := v.Args[0]
 20520  	b := v.Block
 20521  	// match: (Leq64 x y)
 20522  	// result: (LessEqual (CMP x y))
 20523  	for {
 20524  		x := v_0
 20525  		y := v_1
 20526  		v.reset(OpARM64LessEqual)
 20527  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20528  		v0.AddArg2(x, y)
 20529  		v.AddArg(v0)
 20530  		return true
 20531  	}
 20532  }
 20533  func rewriteValueARM64_OpLeq64F(v *Value) bool {
 20534  	v_1 := v.Args[1]
 20535  	v_0 := v.Args[0]
 20536  	b := v.Block
 20537  	// match: (Leq64F x y)
 20538  	// result: (LessEqualF (FCMPD x y))
 20539  	for {
 20540  		x := v_0
 20541  		y := v_1
 20542  		v.reset(OpARM64LessEqualF)
 20543  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 20544  		v0.AddArg2(x, y)
 20545  		v.AddArg(v0)
 20546  		return true
 20547  	}
 20548  }
 20549  func rewriteValueARM64_OpLeq64U(v *Value) bool {
 20550  	v_1 := v.Args[1]
 20551  	v_0 := v.Args[0]
 20552  	b := v.Block
 20553  	typ := &b.Func.Config.Types
 20554  	// match: (Leq64U x zero:(MOVDconst [0]))
 20555  	// result: (Eq64 x zero)
 20556  	for {
 20557  		x := v_0
 20558  		zero := v_1
 20559  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20560  			break
 20561  		}
 20562  		v.reset(OpEq64)
 20563  		v.AddArg2(x, zero)
 20564  		return true
 20565  	}
 20566  	// match: (Leq64U (MOVDconst [1]) x)
 20567  	// result: (Neq64 (MOVDconst [0]) x)
 20568  	for {
 20569  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 20570  			break
 20571  		}
 20572  		x := v_1
 20573  		v.reset(OpNeq64)
 20574  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20575  		v0.AuxInt = int64ToAuxInt(0)
 20576  		v.AddArg2(v0, x)
 20577  		return true
 20578  	}
 20579  	// match: (Leq64U x y)
 20580  	// result: (LessEqualU (CMP x y))
 20581  	for {
 20582  		x := v_0
 20583  		y := v_1
 20584  		v.reset(OpARM64LessEqualU)
 20585  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20586  		v0.AddArg2(x, y)
 20587  		v.AddArg(v0)
 20588  		return true
 20589  	}
 20590  }
 20591  func rewriteValueARM64_OpLeq8(v *Value) bool {
 20592  	v_1 := v.Args[1]
 20593  	v_0 := v.Args[0]
 20594  	b := v.Block
 20595  	typ := &b.Func.Config.Types
 20596  	// match: (Leq8 x y)
 20597  	// result: (LessEqual (CMPW (SignExt8to32 x) (SignExt8to32 y)))
 20598  	for {
 20599  		x := v_0
 20600  		y := v_1
 20601  		v.reset(OpARM64LessEqual)
 20602  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20603  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20604  		v1.AddArg(x)
 20605  		v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20606  		v2.AddArg(y)
 20607  		v0.AddArg2(v1, v2)
 20608  		v.AddArg(v0)
 20609  		return true
 20610  	}
 20611  }
 20612  func rewriteValueARM64_OpLeq8U(v *Value) bool {
 20613  	v_1 := v.Args[1]
 20614  	v_0 := v.Args[0]
 20615  	b := v.Block
 20616  	typ := &b.Func.Config.Types
 20617  	// match: (Leq8U x zero:(MOVDconst [0]))
 20618  	// result: (Eq8 x zero)
 20619  	for {
 20620  		x := v_0
 20621  		zero := v_1
 20622  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20623  			break
 20624  		}
 20625  		v.reset(OpEq8)
 20626  		v.AddArg2(x, zero)
 20627  		return true
 20628  	}
 20629  	// match: (Leq8U (MOVDconst [1]) x)
 20630  	// result: (Neq8 (MOVDconst [0]) x)
 20631  	for {
 20632  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 20633  			break
 20634  		}
 20635  		x := v_1
 20636  		v.reset(OpNeq8)
 20637  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20638  		v0.AuxInt = int64ToAuxInt(0)
 20639  		v.AddArg2(v0, x)
 20640  		return true
 20641  	}
 20642  	// match: (Leq8U x y)
 20643  	// result: (LessEqualU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 20644  	for {
 20645  		x := v_0
 20646  		y := v_1
 20647  		v.reset(OpARM64LessEqualU)
 20648  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20649  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20650  		v1.AddArg(x)
 20651  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20652  		v2.AddArg(y)
 20653  		v0.AddArg2(v1, v2)
 20654  		v.AddArg(v0)
 20655  		return true
 20656  	}
 20657  }
 20658  func rewriteValueARM64_OpLess16(v *Value) bool {
 20659  	v_1 := v.Args[1]
 20660  	v_0 := v.Args[0]
 20661  	b := v.Block
 20662  	typ := &b.Func.Config.Types
 20663  	// match: (Less16 x y)
 20664  	// result: (LessThan (CMPW (SignExt16to32 x) (SignExt16to32 y)))
 20665  	for {
 20666  		x := v_0
 20667  		y := v_1
 20668  		v.reset(OpARM64LessThan)
 20669  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20670  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20671  		v1.AddArg(x)
 20672  		v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20673  		v2.AddArg(y)
 20674  		v0.AddArg2(v1, v2)
 20675  		v.AddArg(v0)
 20676  		return true
 20677  	}
 20678  }
 20679  func rewriteValueARM64_OpLess16U(v *Value) bool {
 20680  	v_1 := v.Args[1]
 20681  	v_0 := v.Args[0]
 20682  	b := v.Block
 20683  	typ := &b.Func.Config.Types
 20684  	// match: (Less16U zero:(MOVDconst [0]) x)
 20685  	// result: (Neq16 zero x)
 20686  	for {
 20687  		zero := v_0
 20688  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20689  			break
 20690  		}
 20691  		x := v_1
 20692  		v.reset(OpNeq16)
 20693  		v.AddArg2(zero, x)
 20694  		return true
 20695  	}
 20696  	// match: (Less16U x (MOVDconst [1]))
 20697  	// result: (Eq16 x (MOVDconst [0]))
 20698  	for {
 20699  		x := v_0
 20700  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 20701  			break
 20702  		}
 20703  		v.reset(OpEq16)
 20704  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20705  		v0.AuxInt = int64ToAuxInt(0)
 20706  		v.AddArg2(x, v0)
 20707  		return true
 20708  	}
 20709  	// match: (Less16U x y)
 20710  	// result: (LessThanU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 20711  	for {
 20712  		x := v_0
 20713  		y := v_1
 20714  		v.reset(OpARM64LessThanU)
 20715  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20716  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20717  		v1.AddArg(x)
 20718  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20719  		v2.AddArg(y)
 20720  		v0.AddArg2(v1, v2)
 20721  		v.AddArg(v0)
 20722  		return true
 20723  	}
 20724  }
 20725  func rewriteValueARM64_OpLess32(v *Value) bool {
 20726  	v_1 := v.Args[1]
 20727  	v_0 := v.Args[0]
 20728  	b := v.Block
 20729  	// match: (Less32 x y)
 20730  	// result: (LessThan (CMPW x y))
 20731  	for {
 20732  		x := v_0
 20733  		y := v_1
 20734  		v.reset(OpARM64LessThan)
 20735  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20736  		v0.AddArg2(x, y)
 20737  		v.AddArg(v0)
 20738  		return true
 20739  	}
 20740  }
 20741  func rewriteValueARM64_OpLess32F(v *Value) bool {
 20742  	v_1 := v.Args[1]
 20743  	v_0 := v.Args[0]
 20744  	b := v.Block
 20745  	// match: (Less32F x y)
 20746  	// result: (LessThanF (FCMPS x y))
 20747  	for {
 20748  		x := v_0
 20749  		y := v_1
 20750  		v.reset(OpARM64LessThanF)
 20751  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 20752  		v0.AddArg2(x, y)
 20753  		v.AddArg(v0)
 20754  		return true
 20755  	}
 20756  }
 20757  func rewriteValueARM64_OpLess32U(v *Value) bool {
 20758  	v_1 := v.Args[1]
 20759  	v_0 := v.Args[0]
 20760  	b := v.Block
 20761  	typ := &b.Func.Config.Types
 20762  	// match: (Less32U zero:(MOVDconst [0]) x)
 20763  	// result: (Neq32 zero x)
 20764  	for {
 20765  		zero := v_0
 20766  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20767  			break
 20768  		}
 20769  		x := v_1
 20770  		v.reset(OpNeq32)
 20771  		v.AddArg2(zero, x)
 20772  		return true
 20773  	}
 20774  	// match: (Less32U x (MOVDconst [1]))
 20775  	// result: (Eq32 x (MOVDconst [0]))
 20776  	for {
 20777  		x := v_0
 20778  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 20779  			break
 20780  		}
 20781  		v.reset(OpEq32)
 20782  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20783  		v0.AuxInt = int64ToAuxInt(0)
 20784  		v.AddArg2(x, v0)
 20785  		return true
 20786  	}
 20787  	// match: (Less32U x y)
 20788  	// result: (LessThanU (CMPW x y))
 20789  	for {
 20790  		x := v_0
 20791  		y := v_1
 20792  		v.reset(OpARM64LessThanU)
 20793  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20794  		v0.AddArg2(x, y)
 20795  		v.AddArg(v0)
 20796  		return true
 20797  	}
 20798  }
 20799  func rewriteValueARM64_OpLess64(v *Value) bool {
 20800  	v_1 := v.Args[1]
 20801  	v_0 := v.Args[0]
 20802  	b := v.Block
 20803  	// match: (Less64 x y)
 20804  	// result: (LessThan (CMP x y))
 20805  	for {
 20806  		x := v_0
 20807  		y := v_1
 20808  		v.reset(OpARM64LessThan)
 20809  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20810  		v0.AddArg2(x, y)
 20811  		v.AddArg(v0)
 20812  		return true
 20813  	}
 20814  }
 20815  func rewriteValueARM64_OpLess64F(v *Value) bool {
 20816  	v_1 := v.Args[1]
 20817  	v_0 := v.Args[0]
 20818  	b := v.Block
 20819  	// match: (Less64F x y)
 20820  	// result: (LessThanF (FCMPD x y))
 20821  	for {
 20822  		x := v_0
 20823  		y := v_1
 20824  		v.reset(OpARM64LessThanF)
 20825  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 20826  		v0.AddArg2(x, y)
 20827  		v.AddArg(v0)
 20828  		return true
 20829  	}
 20830  }
 20831  func rewriteValueARM64_OpLess64U(v *Value) bool {
 20832  	v_1 := v.Args[1]
 20833  	v_0 := v.Args[0]
 20834  	b := v.Block
 20835  	typ := &b.Func.Config.Types
 20836  	// match: (Less64U zero:(MOVDconst [0]) x)
 20837  	// result: (Neq64 zero x)
 20838  	for {
 20839  		zero := v_0
 20840  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20841  			break
 20842  		}
 20843  		x := v_1
 20844  		v.reset(OpNeq64)
 20845  		v.AddArg2(zero, x)
 20846  		return true
 20847  	}
 20848  	// match: (Less64U x (MOVDconst [1]))
 20849  	// result: (Eq64 x (MOVDconst [0]))
 20850  	for {
 20851  		x := v_0
 20852  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 20853  			break
 20854  		}
 20855  		v.reset(OpEq64)
 20856  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20857  		v0.AuxInt = int64ToAuxInt(0)
 20858  		v.AddArg2(x, v0)
 20859  		return true
 20860  	}
 20861  	// match: (Less64U x y)
 20862  	// result: (LessThanU (CMP x y))
 20863  	for {
 20864  		x := v_0
 20865  		y := v_1
 20866  		v.reset(OpARM64LessThanU)
 20867  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20868  		v0.AddArg2(x, y)
 20869  		v.AddArg(v0)
 20870  		return true
 20871  	}
 20872  }
 20873  func rewriteValueARM64_OpLess8(v *Value) bool {
 20874  	v_1 := v.Args[1]
 20875  	v_0 := v.Args[0]
 20876  	b := v.Block
 20877  	typ := &b.Func.Config.Types
 20878  	// match: (Less8 x y)
 20879  	// result: (LessThan (CMPW (SignExt8to32 x) (SignExt8to32 y)))
 20880  	for {
 20881  		x := v_0
 20882  		y := v_1
 20883  		v.reset(OpARM64LessThan)
 20884  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20885  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20886  		v1.AddArg(x)
 20887  		v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20888  		v2.AddArg(y)
 20889  		v0.AddArg2(v1, v2)
 20890  		v.AddArg(v0)
 20891  		return true
 20892  	}
 20893  }
 20894  func rewriteValueARM64_OpLess8U(v *Value) bool {
 20895  	v_1 := v.Args[1]
 20896  	v_0 := v.Args[0]
 20897  	b := v.Block
 20898  	typ := &b.Func.Config.Types
 20899  	// match: (Less8U zero:(MOVDconst [0]) x)
 20900  	// result: (Neq8 zero x)
 20901  	for {
 20902  		zero := v_0
 20903  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 20904  			break
 20905  		}
 20906  		x := v_1
 20907  		v.reset(OpNeq8)
 20908  		v.AddArg2(zero, x)
 20909  		return true
 20910  	}
 20911  	// match: (Less8U x (MOVDconst [1]))
 20912  	// result: (Eq8 x (MOVDconst [0]))
 20913  	for {
 20914  		x := v_0
 20915  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 20916  			break
 20917  		}
 20918  		v.reset(OpEq8)
 20919  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20920  		v0.AuxInt = int64ToAuxInt(0)
 20921  		v.AddArg2(x, v0)
 20922  		return true
 20923  	}
 20924  	// match: (Less8U x y)
 20925  	// result: (LessThanU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 20926  	for {
 20927  		x := v_0
 20928  		y := v_1
 20929  		v.reset(OpARM64LessThanU)
 20930  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20931  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20932  		v1.AddArg(x)
 20933  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20934  		v2.AddArg(y)
 20935  		v0.AddArg2(v1, v2)
 20936  		v.AddArg(v0)
 20937  		return true
 20938  	}
 20939  }
 20940  func rewriteValueARM64_OpLoad(v *Value) bool {
 20941  	v_1 := v.Args[1]
 20942  	v_0 := v.Args[0]
 20943  	// match: (Load <t> ptr mem)
 20944  	// cond: t.IsBoolean()
 20945  	// result: (MOVBUload ptr mem)
 20946  	for {
 20947  		t := v.Type
 20948  		ptr := v_0
 20949  		mem := v_1
 20950  		if !(t.IsBoolean()) {
 20951  			break
 20952  		}
 20953  		v.reset(OpARM64MOVBUload)
 20954  		v.AddArg2(ptr, mem)
 20955  		return true
 20956  	}
 20957  	// match: (Load <t> ptr mem)
 20958  	// cond: (is8BitInt(t) && t.IsSigned())
 20959  	// result: (MOVBload ptr mem)
 20960  	for {
 20961  		t := v.Type
 20962  		ptr := v_0
 20963  		mem := v_1
 20964  		if !(is8BitInt(t) && t.IsSigned()) {
 20965  			break
 20966  		}
 20967  		v.reset(OpARM64MOVBload)
 20968  		v.AddArg2(ptr, mem)
 20969  		return true
 20970  	}
 20971  	// match: (Load <t> ptr mem)
 20972  	// cond: (is8BitInt(t) && !t.IsSigned())
 20973  	// result: (MOVBUload ptr mem)
 20974  	for {
 20975  		t := v.Type
 20976  		ptr := v_0
 20977  		mem := v_1
 20978  		if !(is8BitInt(t) && !t.IsSigned()) {
 20979  			break
 20980  		}
 20981  		v.reset(OpARM64MOVBUload)
 20982  		v.AddArg2(ptr, mem)
 20983  		return true
 20984  	}
 20985  	// match: (Load <t> ptr mem)
 20986  	// cond: (is16BitInt(t) && t.IsSigned())
 20987  	// result: (MOVHload ptr mem)
 20988  	for {
 20989  		t := v.Type
 20990  		ptr := v_0
 20991  		mem := v_1
 20992  		if !(is16BitInt(t) && t.IsSigned()) {
 20993  			break
 20994  		}
 20995  		v.reset(OpARM64MOVHload)
 20996  		v.AddArg2(ptr, mem)
 20997  		return true
 20998  	}
 20999  	// match: (Load <t> ptr mem)
 21000  	// cond: (is16BitInt(t) && !t.IsSigned())
 21001  	// result: (MOVHUload ptr mem)
 21002  	for {
 21003  		t := v.Type
 21004  		ptr := v_0
 21005  		mem := v_1
 21006  		if !(is16BitInt(t) && !t.IsSigned()) {
 21007  			break
 21008  		}
 21009  		v.reset(OpARM64MOVHUload)
 21010  		v.AddArg2(ptr, mem)
 21011  		return true
 21012  	}
 21013  	// match: (Load <t> ptr mem)
 21014  	// cond: (is32BitInt(t) && t.IsSigned())
 21015  	// result: (MOVWload ptr mem)
 21016  	for {
 21017  		t := v.Type
 21018  		ptr := v_0
 21019  		mem := v_1
 21020  		if !(is32BitInt(t) && t.IsSigned()) {
 21021  			break
 21022  		}
 21023  		v.reset(OpARM64MOVWload)
 21024  		v.AddArg2(ptr, mem)
 21025  		return true
 21026  	}
 21027  	// match: (Load <t> ptr mem)
 21028  	// cond: (is32BitInt(t) && !t.IsSigned())
 21029  	// result: (MOVWUload ptr mem)
 21030  	for {
 21031  		t := v.Type
 21032  		ptr := v_0
 21033  		mem := v_1
 21034  		if !(is32BitInt(t) && !t.IsSigned()) {
 21035  			break
 21036  		}
 21037  		v.reset(OpARM64MOVWUload)
 21038  		v.AddArg2(ptr, mem)
 21039  		return true
 21040  	}
 21041  	// match: (Load <t> ptr mem)
 21042  	// cond: (is64BitInt(t) || isPtr(t))
 21043  	// result: (MOVDload ptr mem)
 21044  	for {
 21045  		t := v.Type
 21046  		ptr := v_0
 21047  		mem := v_1
 21048  		if !(is64BitInt(t) || isPtr(t)) {
 21049  			break
 21050  		}
 21051  		v.reset(OpARM64MOVDload)
 21052  		v.AddArg2(ptr, mem)
 21053  		return true
 21054  	}
 21055  	// match: (Load <t> ptr mem)
 21056  	// cond: is32BitFloat(t)
 21057  	// result: (FMOVSload ptr mem)
 21058  	for {
 21059  		t := v.Type
 21060  		ptr := v_0
 21061  		mem := v_1
 21062  		if !(is32BitFloat(t)) {
 21063  			break
 21064  		}
 21065  		v.reset(OpARM64FMOVSload)
 21066  		v.AddArg2(ptr, mem)
 21067  		return true
 21068  	}
 21069  	// match: (Load <t> ptr mem)
 21070  	// cond: is64BitFloat(t)
 21071  	// result: (FMOVDload ptr mem)
 21072  	for {
 21073  		t := v.Type
 21074  		ptr := v_0
 21075  		mem := v_1
 21076  		if !(is64BitFloat(t)) {
 21077  			break
 21078  		}
 21079  		v.reset(OpARM64FMOVDload)
 21080  		v.AddArg2(ptr, mem)
 21081  		return true
 21082  	}
 21083  	// match: (Load <t> ptr mem)
 21084  	// cond: t.Size() == 16
 21085  	// result: (FMOVQload ptr mem)
 21086  	for {
 21087  		t := v.Type
 21088  		ptr := v_0
 21089  		mem := v_1
 21090  		if !(t.Size() == 16) {
 21091  			break
 21092  		}
 21093  		v.reset(OpARM64FMOVQload)
 21094  		v.AddArg2(ptr, mem)
 21095  		return true
 21096  	}
 21097  	// match: (Load <t> ptr mem)
 21098  	// cond: t.Size() == 32 && t.IsSIMD()
 21099  	// result: (ZLDRload ptr mem)
 21100  	for {
 21101  		t := v.Type
 21102  		ptr := v_0
 21103  		mem := v_1
 21104  		if !(t.Size() == 32 && t.IsSIMD()) {
 21105  			break
 21106  		}
 21107  		v.reset(OpARM64ZLDRload)
 21108  		v.AddArg2(ptr, mem)
 21109  		return true
 21110  	}
 21111  	// match: (Load <t> ptr mem)
 21112  	// cond: t.Size() == 8 && t.IsSIMD()
 21113  	// result: (PLDRload ptr mem)
 21114  	for {
 21115  		t := v.Type
 21116  		ptr := v_0
 21117  		mem := v_1
 21118  		if !(t.Size() == 8 && t.IsSIMD()) {
 21119  			break
 21120  		}
 21121  		v.reset(OpARM64PLDRload)
 21122  		v.AddArg2(ptr, mem)
 21123  		return true
 21124  	}
 21125  	return false
 21126  }
 21127  func rewriteValueARM64_OpLoadMasked8(v *Value) bool {
 21128  	v_2 := v.Args[2]
 21129  	v_1 := v.Args[1]
 21130  	v_0 := v.Args[0]
 21131  	// match: (LoadMasked8 <t> ptr mask mem)
 21132  	// cond: t.Size() == 32
 21133  	// result: (ZLD1BPredload ptr mask mem)
 21134  	for {
 21135  		t := v.Type
 21136  		ptr := v_0
 21137  		mask := v_1
 21138  		mem := v_2
 21139  		if !(t.Size() == 32) {
 21140  			break
 21141  		}
 21142  		v.reset(OpARM64ZLD1BPredload)
 21143  		v.AddArg3(ptr, mask, mem)
 21144  		return true
 21145  	}
 21146  	return false
 21147  }
 21148  func rewriteValueARM64_OpLocalAddr(v *Value) bool {
 21149  	v_1 := v.Args[1]
 21150  	v_0 := v.Args[0]
 21151  	b := v.Block
 21152  	typ := &b.Func.Config.Types
 21153  	// match: (LocalAddr <t> {sym} base mem)
 21154  	// cond: t.Elem().HasPointers()
 21155  	// result: (MOVDaddr {sym} (SPanchored base mem))
 21156  	for {
 21157  		t := v.Type
 21158  		sym := auxToSym(v.Aux)
 21159  		base := v_0
 21160  		mem := v_1
 21161  		if !(t.Elem().HasPointers()) {
 21162  			break
 21163  		}
 21164  		v.reset(OpARM64MOVDaddr)
 21165  		v.Aux = symToAux(sym)
 21166  		v0 := b.NewValue0(v.Pos, OpSPanchored, typ.Uintptr)
 21167  		v0.AddArg2(base, mem)
 21168  		v.AddArg(v0)
 21169  		return true
 21170  	}
 21171  	// match: (LocalAddr <t> {sym} base _)
 21172  	// cond: !t.Elem().HasPointers()
 21173  	// result: (MOVDaddr {sym} base)
 21174  	for {
 21175  		t := v.Type
 21176  		sym := auxToSym(v.Aux)
 21177  		base := v_0
 21178  		if !(!t.Elem().HasPointers()) {
 21179  			break
 21180  		}
 21181  		v.reset(OpARM64MOVDaddr)
 21182  		v.Aux = symToAux(sym)
 21183  		v.AddArg(base)
 21184  		return true
 21185  	}
 21186  	return false
 21187  }
 21188  func rewriteValueARM64_OpLsh64x16(v *Value) bool {
 21189  	v_1 := v.Args[1]
 21190  	v_0 := v.Args[0]
 21191  	b := v.Block
 21192  	typ := &b.Func.Config.Types
 21193  	// match: (Lsh64x16 <t> x y)
 21194  	// cond: shiftIsBounded(v)
 21195  	// result: (SLL <t> x y)
 21196  	for {
 21197  		t := v.Type
 21198  		x := v_0
 21199  		y := v_1
 21200  		if !(shiftIsBounded(v)) {
 21201  			break
 21202  		}
 21203  		v.reset(OpARM64SLL)
 21204  		v.Type = t
 21205  		v.AddArg2(x, y)
 21206  		return true
 21207  	}
 21208  	// match: (Lsh64x16 <t> [bounded] x y)
 21209  	// cond: !shiftIsBounded(v)
 21210  	// result: (Lsh64x32 <t> [bounded] x (ZeroExt16to32 y))
 21211  	for {
 21212  		t := v.Type
 21213  		bounded := auxIntToBool(v.AuxInt)
 21214  		x := v_0
 21215  		y := v_1
 21216  		if !(!shiftIsBounded(v)) {
 21217  			break
 21218  		}
 21219  		v.reset(OpLsh64x32)
 21220  		v.Type = t
 21221  		v.AuxInt = boolToAuxInt(bounded)
 21222  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 21223  		v0.AddArg(y)
 21224  		v.AddArg2(x, v0)
 21225  		return true
 21226  	}
 21227  	return false
 21228  }
 21229  func rewriteValueARM64_OpLsh64x32(v *Value) bool {
 21230  	v_1 := v.Args[1]
 21231  	v_0 := v.Args[0]
 21232  	b := v.Block
 21233  	// match: (Lsh64x32 <t> x y)
 21234  	// cond: shiftIsBounded(v)
 21235  	// result: (SLL <t> x y)
 21236  	for {
 21237  		t := v.Type
 21238  		x := v_0
 21239  		y := v_1
 21240  		if !(shiftIsBounded(v)) {
 21241  			break
 21242  		}
 21243  		v.reset(OpARM64SLL)
 21244  		v.Type = t
 21245  		v.AddArg2(x, y)
 21246  		return true
 21247  	}
 21248  	// match: (Lsh64x32 <t> x y)
 21249  	// cond: !shiftIsBounded(v)
 21250  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPWconst [64] y))
 21251  	for {
 21252  		t := v.Type
 21253  		x := v_0
 21254  		y := v_1
 21255  		if !(!shiftIsBounded(v)) {
 21256  			break
 21257  		}
 21258  		v.reset(OpARM64CSEL)
 21259  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21260  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 21261  		v0.AddArg2(x, y)
 21262  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 21263  		v1.AuxInt = int64ToAuxInt(0)
 21264  		v2 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags)
 21265  		v2.AuxInt = int32ToAuxInt(64)
 21266  		v2.AddArg(y)
 21267  		v.AddArg3(v0, v1, v2)
 21268  		return true
 21269  	}
 21270  	return false
 21271  }
 21272  func rewriteValueARM64_OpLsh64x64(v *Value) bool {
 21273  	v_1 := v.Args[1]
 21274  	v_0 := v.Args[0]
 21275  	b := v.Block
 21276  	// match: (Lsh64x64 <t> x y)
 21277  	// cond: shiftIsBounded(v)
 21278  	// result: (SLL <t> x y)
 21279  	for {
 21280  		t := v.Type
 21281  		x := v_0
 21282  		y := v_1
 21283  		if !(shiftIsBounded(v)) {
 21284  			break
 21285  		}
 21286  		v.reset(OpARM64SLL)
 21287  		v.Type = t
 21288  		v.AddArg2(x, y)
 21289  		return true
 21290  	}
 21291  	// match: (Lsh64x64 <t> x y)
 21292  	// cond: !shiftIsBounded(v)
 21293  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 21294  	for {
 21295  		t := v.Type
 21296  		x := v_0
 21297  		y := v_1
 21298  		if !(!shiftIsBounded(v)) {
 21299  			break
 21300  		}
 21301  		v.reset(OpARM64CSEL)
 21302  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21303  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 21304  		v0.AddArg2(x, y)
 21305  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 21306  		v1.AuxInt = int64ToAuxInt(0)
 21307  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21308  		v2.AuxInt = int64ToAuxInt(64)
 21309  		v2.AddArg(y)
 21310  		v.AddArg3(v0, v1, v2)
 21311  		return true
 21312  	}
 21313  	return false
 21314  }
 21315  func rewriteValueARM64_OpLsh64x8(v *Value) bool {
 21316  	v_1 := v.Args[1]
 21317  	v_0 := v.Args[0]
 21318  	b := v.Block
 21319  	typ := &b.Func.Config.Types
 21320  	// match: (Lsh64x8 <t> x y)
 21321  	// cond: shiftIsBounded(v)
 21322  	// result: (SLL <t> x y)
 21323  	for {
 21324  		t := v.Type
 21325  		x := v_0
 21326  		y := v_1
 21327  		if !(shiftIsBounded(v)) {
 21328  			break
 21329  		}
 21330  		v.reset(OpARM64SLL)
 21331  		v.Type = t
 21332  		v.AddArg2(x, y)
 21333  		return true
 21334  	}
 21335  	// match: (Lsh64x8 <t> [bounded] x y)
 21336  	// cond: !shiftIsBounded(v)
 21337  	// result: (Lsh64x32 <t> [bounded] x (ZeroExt8to32 y))
 21338  	for {
 21339  		t := v.Type
 21340  		bounded := auxIntToBool(v.AuxInt)
 21341  		x := v_0
 21342  		y := v_1
 21343  		if !(!shiftIsBounded(v)) {
 21344  			break
 21345  		}
 21346  		v.reset(OpLsh64x32)
 21347  		v.Type = t
 21348  		v.AuxInt = boolToAuxInt(bounded)
 21349  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 21350  		v0.AddArg(y)
 21351  		v.AddArg2(x, v0)
 21352  		return true
 21353  	}
 21354  	return false
 21355  }
 21356  func rewriteValueARM64_OpMax32FSel(v *Value) bool {
 21357  	v_1 := v.Args[1]
 21358  	v_0 := v.Args[0]
 21359  	b := v.Block
 21360  	// match: (Max32FSel x y)
 21361  	// result: (FCSELS [OpARM64GreaterThanF] x y (FCMPS x y))
 21362  	for {
 21363  		x := v_0
 21364  		y := v_1
 21365  		v.reset(OpARM64FCSELS)
 21366  		v.AuxInt = opToAuxInt(OpARM64GreaterThanF)
 21367  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 21368  		v0.AddArg2(x, y)
 21369  		v.AddArg3(x, y, v0)
 21370  		return true
 21371  	}
 21372  }
 21373  func rewriteValueARM64_OpMax64FSel(v *Value) bool {
 21374  	v_1 := v.Args[1]
 21375  	v_0 := v.Args[0]
 21376  	b := v.Block
 21377  	// match: (Max64FSel x y)
 21378  	// result: (FCSELD [OpARM64GreaterThanF] x y (FCMPD x y))
 21379  	for {
 21380  		x := v_0
 21381  		y := v_1
 21382  		v.reset(OpARM64FCSELD)
 21383  		v.AuxInt = opToAuxInt(OpARM64GreaterThanF)
 21384  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 21385  		v0.AddArg2(x, y)
 21386  		v.AddArg3(x, y, v0)
 21387  		return true
 21388  	}
 21389  }
 21390  func rewriteValueARM64_OpMin32FSel(v *Value) bool {
 21391  	v_1 := v.Args[1]
 21392  	v_0 := v.Args[0]
 21393  	b := v.Block
 21394  	// match: (Min32FSel x y)
 21395  	// result: (FCSELS [OpARM64LessThanF] x y (FCMPS x y))
 21396  	for {
 21397  		x := v_0
 21398  		y := v_1
 21399  		v.reset(OpARM64FCSELS)
 21400  		v.AuxInt = opToAuxInt(OpARM64LessThanF)
 21401  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 21402  		v0.AddArg2(x, y)
 21403  		v.AddArg3(x, y, v0)
 21404  		return true
 21405  	}
 21406  }
 21407  func rewriteValueARM64_OpMin64FSel(v *Value) bool {
 21408  	v_1 := v.Args[1]
 21409  	v_0 := v.Args[0]
 21410  	b := v.Block
 21411  	// match: (Min64FSel x y)
 21412  	// result: (FCSELD [OpARM64LessThanF] x y (FCMPD x y))
 21413  	for {
 21414  		x := v_0
 21415  		y := v_1
 21416  		v.reset(OpARM64FCSELD)
 21417  		v.AuxInt = opToAuxInt(OpARM64LessThanF)
 21418  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 21419  		v0.AddArg2(x, y)
 21420  		v.AddArg3(x, y, v0)
 21421  		return true
 21422  	}
 21423  }
 21424  func rewriteValueARM64_OpMod16(v *Value) bool {
 21425  	v_1 := v.Args[1]
 21426  	v_0 := v.Args[0]
 21427  	b := v.Block
 21428  	typ := &b.Func.Config.Types
 21429  	// match: (Mod16 x y)
 21430  	// result: (MODW (SignExt16to32 x) (SignExt16to32 y))
 21431  	for {
 21432  		x := v_0
 21433  		y := v_1
 21434  		v.reset(OpARM64MODW)
 21435  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 21436  		v0.AddArg(x)
 21437  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 21438  		v1.AddArg(y)
 21439  		v.AddArg2(v0, v1)
 21440  		return true
 21441  	}
 21442  }
 21443  func rewriteValueARM64_OpMod16u(v *Value) bool {
 21444  	v_1 := v.Args[1]
 21445  	v_0 := v.Args[0]
 21446  	b := v.Block
 21447  	typ := &b.Func.Config.Types
 21448  	// match: (Mod16u x y)
 21449  	// result: (UMODW (ZeroExt16to32 x) (ZeroExt16to32 y))
 21450  	for {
 21451  		x := v_0
 21452  		y := v_1
 21453  		v.reset(OpARM64UMODW)
 21454  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 21455  		v0.AddArg(x)
 21456  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 21457  		v1.AddArg(y)
 21458  		v.AddArg2(v0, v1)
 21459  		return true
 21460  	}
 21461  }
 21462  func rewriteValueARM64_OpMod32(v *Value) bool {
 21463  	v_1 := v.Args[1]
 21464  	v_0 := v.Args[0]
 21465  	// match: (Mod32 x y)
 21466  	// result: (MODW x y)
 21467  	for {
 21468  		x := v_0
 21469  		y := v_1
 21470  		v.reset(OpARM64MODW)
 21471  		v.AddArg2(x, y)
 21472  		return true
 21473  	}
 21474  }
 21475  func rewriteValueARM64_OpMod64(v *Value) bool {
 21476  	v_1 := v.Args[1]
 21477  	v_0 := v.Args[0]
 21478  	// match: (Mod64 x y)
 21479  	// result: (MOD x y)
 21480  	for {
 21481  		x := v_0
 21482  		y := v_1
 21483  		v.reset(OpARM64MOD)
 21484  		v.AddArg2(x, y)
 21485  		return true
 21486  	}
 21487  }
 21488  func rewriteValueARM64_OpMod8(v *Value) bool {
 21489  	v_1 := v.Args[1]
 21490  	v_0 := v.Args[0]
 21491  	b := v.Block
 21492  	typ := &b.Func.Config.Types
 21493  	// match: (Mod8 x y)
 21494  	// result: (MODW (SignExt8to32 x) (SignExt8to32 y))
 21495  	for {
 21496  		x := v_0
 21497  		y := v_1
 21498  		v.reset(OpARM64MODW)
 21499  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 21500  		v0.AddArg(x)
 21501  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 21502  		v1.AddArg(y)
 21503  		v.AddArg2(v0, v1)
 21504  		return true
 21505  	}
 21506  }
 21507  func rewriteValueARM64_OpMod8u(v *Value) bool {
 21508  	v_1 := v.Args[1]
 21509  	v_0 := v.Args[0]
 21510  	b := v.Block
 21511  	typ := &b.Func.Config.Types
 21512  	// match: (Mod8u x y)
 21513  	// result: (UMODW (ZeroExt8to32 x) (ZeroExt8to32 y))
 21514  	for {
 21515  		x := v_0
 21516  		y := v_1
 21517  		v.reset(OpARM64UMODW)
 21518  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 21519  		v0.AddArg(x)
 21520  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 21521  		v1.AddArg(y)
 21522  		v.AddArg2(v0, v1)
 21523  		return true
 21524  	}
 21525  }
 21526  func rewriteValueARM64_OpMove(v *Value) bool {
 21527  	v_2 := v.Args[2]
 21528  	v_1 := v.Args[1]
 21529  	v_0 := v.Args[0]
 21530  	b := v.Block
 21531  	typ := &b.Func.Config.Types
 21532  	// match: (Move [0] _ _ mem)
 21533  	// result: mem
 21534  	for {
 21535  		if auxIntToInt64(v.AuxInt) != 0 {
 21536  			break
 21537  		}
 21538  		mem := v_2
 21539  		v.copyOf(mem)
 21540  		return true
 21541  	}
 21542  	// match: (Move [1] dst src mem)
 21543  	// result: (MOVBstore dst (MOVBUload src mem) mem)
 21544  	for {
 21545  		if auxIntToInt64(v.AuxInt) != 1 {
 21546  			break
 21547  		}
 21548  		dst := v_0
 21549  		src := v_1
 21550  		mem := v_2
 21551  		v.reset(OpARM64MOVBstore)
 21552  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 21553  		v0.AddArg2(src, mem)
 21554  		v.AddArg3(dst, v0, mem)
 21555  		return true
 21556  	}
 21557  	// match: (Move [2] dst src mem)
 21558  	// result: (MOVHstore dst (MOVHUload src mem) mem)
 21559  	for {
 21560  		if auxIntToInt64(v.AuxInt) != 2 {
 21561  			break
 21562  		}
 21563  		dst := v_0
 21564  		src := v_1
 21565  		mem := v_2
 21566  		v.reset(OpARM64MOVHstore)
 21567  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 21568  		v0.AddArg2(src, mem)
 21569  		v.AddArg3(dst, v0, mem)
 21570  		return true
 21571  	}
 21572  	// match: (Move [3] dst src mem)
 21573  	// result: (MOVBstore [2] dst (MOVBUload [2] src mem) (MOVHstore dst (MOVHUload src mem) mem))
 21574  	for {
 21575  		if auxIntToInt64(v.AuxInt) != 3 {
 21576  			break
 21577  		}
 21578  		dst := v_0
 21579  		src := v_1
 21580  		mem := v_2
 21581  		v.reset(OpARM64MOVBstore)
 21582  		v.AuxInt = int32ToAuxInt(2)
 21583  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 21584  		v0.AuxInt = int32ToAuxInt(2)
 21585  		v0.AddArg2(src, mem)
 21586  		v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem)
 21587  		v2 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 21588  		v2.AddArg2(src, mem)
 21589  		v1.AddArg3(dst, v2, mem)
 21590  		v.AddArg3(dst, v0, v1)
 21591  		return true
 21592  	}
 21593  	// match: (Move [4] dst src mem)
 21594  	// result: (MOVWstore dst (MOVWUload src mem) mem)
 21595  	for {
 21596  		if auxIntToInt64(v.AuxInt) != 4 {
 21597  			break
 21598  		}
 21599  		dst := v_0
 21600  		src := v_1
 21601  		mem := v_2
 21602  		v.reset(OpARM64MOVWstore)
 21603  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21604  		v0.AddArg2(src, mem)
 21605  		v.AddArg3(dst, v0, mem)
 21606  		return true
 21607  	}
 21608  	// match: (Move [5] dst src mem)
 21609  	// result: (MOVBstore [4] dst (MOVBUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 21610  	for {
 21611  		if auxIntToInt64(v.AuxInt) != 5 {
 21612  			break
 21613  		}
 21614  		dst := v_0
 21615  		src := v_1
 21616  		mem := v_2
 21617  		v.reset(OpARM64MOVBstore)
 21618  		v.AuxInt = int32ToAuxInt(4)
 21619  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 21620  		v0.AuxInt = int32ToAuxInt(4)
 21621  		v0.AddArg2(src, mem)
 21622  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 21623  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21624  		v2.AddArg2(src, mem)
 21625  		v1.AddArg3(dst, v2, mem)
 21626  		v.AddArg3(dst, v0, v1)
 21627  		return true
 21628  	}
 21629  	// match: (Move [6] dst src mem)
 21630  	// result: (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 21631  	for {
 21632  		if auxIntToInt64(v.AuxInt) != 6 {
 21633  			break
 21634  		}
 21635  		dst := v_0
 21636  		src := v_1
 21637  		mem := v_2
 21638  		v.reset(OpARM64MOVHstore)
 21639  		v.AuxInt = int32ToAuxInt(4)
 21640  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 21641  		v0.AuxInt = int32ToAuxInt(4)
 21642  		v0.AddArg2(src, mem)
 21643  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 21644  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21645  		v2.AddArg2(src, mem)
 21646  		v1.AddArg3(dst, v2, mem)
 21647  		v.AddArg3(dst, v0, v1)
 21648  		return true
 21649  	}
 21650  	// match: (Move [7] dst src mem)
 21651  	// result: (MOVWstore [3] dst (MOVWUload [3] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 21652  	for {
 21653  		if auxIntToInt64(v.AuxInt) != 7 {
 21654  			break
 21655  		}
 21656  		dst := v_0
 21657  		src := v_1
 21658  		mem := v_2
 21659  		v.reset(OpARM64MOVWstore)
 21660  		v.AuxInt = int32ToAuxInt(3)
 21661  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21662  		v0.AuxInt = int32ToAuxInt(3)
 21663  		v0.AddArg2(src, mem)
 21664  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 21665  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21666  		v2.AddArg2(src, mem)
 21667  		v1.AddArg3(dst, v2, mem)
 21668  		v.AddArg3(dst, v0, v1)
 21669  		return true
 21670  	}
 21671  	// match: (Move [8] dst src mem)
 21672  	// result: (MOVDstore dst (MOVDload src mem) mem)
 21673  	for {
 21674  		if auxIntToInt64(v.AuxInt) != 8 {
 21675  			break
 21676  		}
 21677  		dst := v_0
 21678  		src := v_1
 21679  		mem := v_2
 21680  		v.reset(OpARM64MOVDstore)
 21681  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21682  		v0.AddArg2(src, mem)
 21683  		v.AddArg3(dst, v0, mem)
 21684  		return true
 21685  	}
 21686  	// match: (Move [9] dst src mem)
 21687  	// result: (MOVBstore [8] dst (MOVBUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21688  	for {
 21689  		if auxIntToInt64(v.AuxInt) != 9 {
 21690  			break
 21691  		}
 21692  		dst := v_0
 21693  		src := v_1
 21694  		mem := v_2
 21695  		v.reset(OpARM64MOVBstore)
 21696  		v.AuxInt = int32ToAuxInt(8)
 21697  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 21698  		v0.AuxInt = int32ToAuxInt(8)
 21699  		v0.AddArg2(src, mem)
 21700  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21701  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21702  		v2.AddArg2(src, mem)
 21703  		v1.AddArg3(dst, v2, mem)
 21704  		v.AddArg3(dst, v0, v1)
 21705  		return true
 21706  	}
 21707  	// match: (Move [10] dst src mem)
 21708  	// result: (MOVHstore [8] dst (MOVHUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21709  	for {
 21710  		if auxIntToInt64(v.AuxInt) != 10 {
 21711  			break
 21712  		}
 21713  		dst := v_0
 21714  		src := v_1
 21715  		mem := v_2
 21716  		v.reset(OpARM64MOVHstore)
 21717  		v.AuxInt = int32ToAuxInt(8)
 21718  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 21719  		v0.AuxInt = int32ToAuxInt(8)
 21720  		v0.AddArg2(src, mem)
 21721  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21722  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21723  		v2.AddArg2(src, mem)
 21724  		v1.AddArg3(dst, v2, mem)
 21725  		v.AddArg3(dst, v0, v1)
 21726  		return true
 21727  	}
 21728  	// match: (Move [11] dst src mem)
 21729  	// result: (MOVDstore [3] dst (MOVDload [3] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21730  	for {
 21731  		if auxIntToInt64(v.AuxInt) != 11 {
 21732  			break
 21733  		}
 21734  		dst := v_0
 21735  		src := v_1
 21736  		mem := v_2
 21737  		v.reset(OpARM64MOVDstore)
 21738  		v.AuxInt = int32ToAuxInt(3)
 21739  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21740  		v0.AuxInt = int32ToAuxInt(3)
 21741  		v0.AddArg2(src, mem)
 21742  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21743  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21744  		v2.AddArg2(src, mem)
 21745  		v1.AddArg3(dst, v2, mem)
 21746  		v.AddArg3(dst, v0, v1)
 21747  		return true
 21748  	}
 21749  	// match: (Move [12] dst src mem)
 21750  	// result: (MOVWstore [8] dst (MOVWUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21751  	for {
 21752  		if auxIntToInt64(v.AuxInt) != 12 {
 21753  			break
 21754  		}
 21755  		dst := v_0
 21756  		src := v_1
 21757  		mem := v_2
 21758  		v.reset(OpARM64MOVWstore)
 21759  		v.AuxInt = int32ToAuxInt(8)
 21760  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21761  		v0.AuxInt = int32ToAuxInt(8)
 21762  		v0.AddArg2(src, mem)
 21763  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21764  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21765  		v2.AddArg2(src, mem)
 21766  		v1.AddArg3(dst, v2, mem)
 21767  		v.AddArg3(dst, v0, v1)
 21768  		return true
 21769  	}
 21770  	// match: (Move [13] dst src mem)
 21771  	// result: (MOVDstore [5] dst (MOVDload [5] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21772  	for {
 21773  		if auxIntToInt64(v.AuxInt) != 13 {
 21774  			break
 21775  		}
 21776  		dst := v_0
 21777  		src := v_1
 21778  		mem := v_2
 21779  		v.reset(OpARM64MOVDstore)
 21780  		v.AuxInt = int32ToAuxInt(5)
 21781  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21782  		v0.AuxInt = int32ToAuxInt(5)
 21783  		v0.AddArg2(src, mem)
 21784  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21785  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21786  		v2.AddArg2(src, mem)
 21787  		v1.AddArg3(dst, v2, mem)
 21788  		v.AddArg3(dst, v0, v1)
 21789  		return true
 21790  	}
 21791  	// match: (Move [14] dst src mem)
 21792  	// result: (MOVDstore [6] dst (MOVDload [6] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21793  	for {
 21794  		if auxIntToInt64(v.AuxInt) != 14 {
 21795  			break
 21796  		}
 21797  		dst := v_0
 21798  		src := v_1
 21799  		mem := v_2
 21800  		v.reset(OpARM64MOVDstore)
 21801  		v.AuxInt = int32ToAuxInt(6)
 21802  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21803  		v0.AuxInt = int32ToAuxInt(6)
 21804  		v0.AddArg2(src, mem)
 21805  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21806  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21807  		v2.AddArg2(src, mem)
 21808  		v1.AddArg3(dst, v2, mem)
 21809  		v.AddArg3(dst, v0, v1)
 21810  		return true
 21811  	}
 21812  	// match: (Move [15] dst src mem)
 21813  	// result: (MOVDstore [7] dst (MOVDload [7] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21814  	for {
 21815  		if auxIntToInt64(v.AuxInt) != 15 {
 21816  			break
 21817  		}
 21818  		dst := v_0
 21819  		src := v_1
 21820  		mem := v_2
 21821  		v.reset(OpARM64MOVDstore)
 21822  		v.AuxInt = int32ToAuxInt(7)
 21823  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21824  		v0.AuxInt = int32ToAuxInt(7)
 21825  		v0.AddArg2(src, mem)
 21826  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21827  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21828  		v2.AddArg2(src, mem)
 21829  		v1.AddArg3(dst, v2, mem)
 21830  		v.AddArg3(dst, v0, v1)
 21831  		return true
 21832  	}
 21833  	// match: (Move [16] dst src mem)
 21834  	// result: (FMOVQstore dst (FMOVQload src mem) mem)
 21835  	for {
 21836  		if auxIntToInt64(v.AuxInt) != 16 {
 21837  			break
 21838  		}
 21839  		dst := v_0
 21840  		src := v_1
 21841  		mem := v_2
 21842  		v.reset(OpARM64FMOVQstore)
 21843  		v0 := b.NewValue0(v.Pos, OpARM64FMOVQload, typ.Vec128)
 21844  		v0.AddArg2(src, mem)
 21845  		v.AddArg3(dst, v0, mem)
 21846  		return true
 21847  	}
 21848  	// match: (Move [s] dst src mem)
 21849  	// cond: s > 16 && s <= 24
 21850  	// result: (MOVDstore [int32(s-8)] dst (MOVDload [int32(s-8)] src mem) (FMOVQstore dst (FMOVQload src mem) mem))
 21851  	for {
 21852  		s := auxIntToInt64(v.AuxInt)
 21853  		dst := v_0
 21854  		src := v_1
 21855  		mem := v_2
 21856  		if !(s > 16 && s <= 24) {
 21857  			break
 21858  		}
 21859  		v.reset(OpARM64MOVDstore)
 21860  		v.AuxInt = int32ToAuxInt(int32(s - 8))
 21861  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21862  		v0.AuxInt = int32ToAuxInt(int32(s - 8))
 21863  		v0.AddArg2(src, mem)
 21864  		v1 := b.NewValue0(v.Pos, OpARM64FMOVQstore, types.TypeMem)
 21865  		v2 := b.NewValue0(v.Pos, OpARM64FMOVQload, typ.Vec128)
 21866  		v2.AddArg2(src, mem)
 21867  		v1.AddArg3(dst, v2, mem)
 21868  		v.AddArg3(dst, v0, v1)
 21869  		return true
 21870  	}
 21871  	// match: (Move [s] dst src mem)
 21872  	// cond: s > 24 && s < 32
 21873  	// result: (FMOVQstore [int32(s-16)] dst (FMOVQload [int32(s-16)] src mem) (FMOVQstore dst (FMOVQload src mem) mem))
 21874  	for {
 21875  		s := auxIntToInt64(v.AuxInt)
 21876  		dst := v_0
 21877  		src := v_1
 21878  		mem := v_2
 21879  		if !(s > 24 && s < 32) {
 21880  			break
 21881  		}
 21882  		v.reset(OpARM64FMOVQstore)
 21883  		v.AuxInt = int32ToAuxInt(int32(s - 16))
 21884  		v0 := b.NewValue0(v.Pos, OpARM64FMOVQload, typ.Vec128)
 21885  		v0.AuxInt = int32ToAuxInt(int32(s - 16))
 21886  		v0.AddArg2(src, mem)
 21887  		v1 := b.NewValue0(v.Pos, OpARM64FMOVQstore, types.TypeMem)
 21888  		v2 := b.NewValue0(v.Pos, OpARM64FMOVQload, typ.Vec128)
 21889  		v2.AddArg2(src, mem)
 21890  		v1.AddArg3(dst, v2, mem)
 21891  		v.AddArg3(dst, v0, v1)
 21892  		return true
 21893  	}
 21894  	// match: (Move [32] dst src mem)
 21895  	// result: (FSTPQ dst (Select0 <typ.Vec128> (FLDPQ src mem)) (Select1 <typ.Vec128> (FLDPQ src mem)) mem)
 21896  	for {
 21897  		if auxIntToInt64(v.AuxInt) != 32 {
 21898  			break
 21899  		}
 21900  		dst := v_0
 21901  		src := v_1
 21902  		mem := v_2
 21903  		v.reset(OpARM64FSTPQ)
 21904  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.Vec128)
 21905  		v1 := b.NewValue0(v.Pos, OpARM64FLDPQ, types.NewTuple(typ.Vec128, typ.Vec128))
 21906  		v1.AddArg2(src, mem)
 21907  		v0.AddArg(v1)
 21908  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.Vec128)
 21909  		v2.AddArg(v1)
 21910  		v.AddArg4(dst, v0, v2, mem)
 21911  		return true
 21912  	}
 21913  	// match: (Move [s] dst src mem)
 21914  	// cond: s > 32 && s <= 40
 21915  	// result: (MOVDstore [int32(s-8)] dst (MOVDload [int32(s-8)] src mem) (FSTPQ dst (Select0 <typ.Vec128> (FLDPQ src mem)) (Select1 <typ.Vec128> (FLDPQ src mem)) mem))
 21916  	for {
 21917  		s := auxIntToInt64(v.AuxInt)
 21918  		dst := v_0
 21919  		src := v_1
 21920  		mem := v_2
 21921  		if !(s > 32 && s <= 40) {
 21922  			break
 21923  		}
 21924  		v.reset(OpARM64MOVDstore)
 21925  		v.AuxInt = int32ToAuxInt(int32(s - 8))
 21926  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21927  		v0.AuxInt = int32ToAuxInt(int32(s - 8))
 21928  		v0.AddArg2(src, mem)
 21929  		v1 := b.NewValue0(v.Pos, OpARM64FSTPQ, types.TypeMem)
 21930  		v2 := b.NewValue0(v.Pos, OpSelect0, typ.Vec128)
 21931  		v3 := b.NewValue0(v.Pos, OpARM64FLDPQ, types.NewTuple(typ.Vec128, typ.Vec128))
 21932  		v3.AddArg2(src, mem)
 21933  		v2.AddArg(v3)
 21934  		v4 := b.NewValue0(v.Pos, OpSelect1, typ.Vec128)
 21935  		v4.AddArg(v3)
 21936  		v1.AddArg4(dst, v2, v4, mem)
 21937  		v.AddArg3(dst, v0, v1)
 21938  		return true
 21939  	}
 21940  	// match: (Move [s] dst src mem)
 21941  	// cond: s > 40 && s <= 48
 21942  	// result: (FMOVQstore [int32(s-16)] dst (FMOVQload [int32(s-16)] src mem) (FSTPQ dst (Select0 <typ.Vec128> (FLDPQ src mem)) (Select1 <typ.Vec128> (FLDPQ src mem)) mem))
 21943  	for {
 21944  		s := auxIntToInt64(v.AuxInt)
 21945  		dst := v_0
 21946  		src := v_1
 21947  		mem := v_2
 21948  		if !(s > 40 && s <= 48) {
 21949  			break
 21950  		}
 21951  		v.reset(OpARM64FMOVQstore)
 21952  		v.AuxInt = int32ToAuxInt(int32(s - 16))
 21953  		v0 := b.NewValue0(v.Pos, OpARM64FMOVQload, typ.Vec128)
 21954  		v0.AuxInt = int32ToAuxInt(int32(s - 16))
 21955  		v0.AddArg2(src, mem)
 21956  		v1 := b.NewValue0(v.Pos, OpARM64FSTPQ, types.TypeMem)
 21957  		v2 := b.NewValue0(v.Pos, OpSelect0, typ.Vec128)
 21958  		v3 := b.NewValue0(v.Pos, OpARM64FLDPQ, types.NewTuple(typ.Vec128, typ.Vec128))
 21959  		v3.AddArg2(src, mem)
 21960  		v2.AddArg(v3)
 21961  		v4 := b.NewValue0(v.Pos, OpSelect1, typ.Vec128)
 21962  		v4.AddArg(v3)
 21963  		v1.AddArg4(dst, v2, v4, mem)
 21964  		v.AddArg3(dst, v0, v1)
 21965  		return true
 21966  	}
 21967  	// match: (Move [s] dst src mem)
 21968  	// cond: s > 48 && s <= 64
 21969  	// result: (FSTPQ [int32(s-32)] dst (Select0 <typ.Vec128> (FLDPQ [int32(s-32)] src mem)) (Select1 <typ.Vec128> (FLDPQ [int32(s-32)] src mem)) (FSTPQ dst (Select0 <typ.Vec128> (FLDPQ src mem)) (Select1 <typ.Vec128> (FLDPQ src mem)) mem))
 21970  	for {
 21971  		s := auxIntToInt64(v.AuxInt)
 21972  		dst := v_0
 21973  		src := v_1
 21974  		mem := v_2
 21975  		if !(s > 48 && s <= 64) {
 21976  			break
 21977  		}
 21978  		v.reset(OpARM64FSTPQ)
 21979  		v.AuxInt = int32ToAuxInt(int32(s - 32))
 21980  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.Vec128)
 21981  		v1 := b.NewValue0(v.Pos, OpARM64FLDPQ, types.NewTuple(typ.Vec128, typ.Vec128))
 21982  		v1.AuxInt = int32ToAuxInt(int32(s - 32))
 21983  		v1.AddArg2(src, mem)
 21984  		v0.AddArg(v1)
 21985  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.Vec128)
 21986  		v2.AddArg(v1)
 21987  		v3 := b.NewValue0(v.Pos, OpARM64FSTPQ, types.TypeMem)
 21988  		v4 := b.NewValue0(v.Pos, OpSelect0, typ.Vec128)
 21989  		v5 := b.NewValue0(v.Pos, OpARM64FLDPQ, types.NewTuple(typ.Vec128, typ.Vec128))
 21990  		v5.AddArg2(src, mem)
 21991  		v4.AddArg(v5)
 21992  		v6 := b.NewValue0(v.Pos, OpSelect1, typ.Vec128)
 21993  		v6.AddArg(v5)
 21994  		v3.AddArg4(dst, v4, v6, mem)
 21995  		v.AddArg4(dst, v0, v2, v3)
 21996  		return true
 21997  	}
 21998  	// match: (Move [s] dst src mem)
 21999  	// cond: s > 64 && s < 192 && logLargeCopy(v, s)
 22000  	// result: (LoweredMove [s] dst src mem)
 22001  	for {
 22002  		s := auxIntToInt64(v.AuxInt)
 22003  		dst := v_0
 22004  		src := v_1
 22005  		mem := v_2
 22006  		if !(s > 64 && s < 192 && logLargeCopy(v, s)) {
 22007  			break
 22008  		}
 22009  		v.reset(OpARM64LoweredMove)
 22010  		v.AuxInt = int64ToAuxInt(s)
 22011  		v.AddArg3(dst, src, mem)
 22012  		return true
 22013  	}
 22014  	// match: (Move [s] dst src mem)
 22015  	// cond: s >= 192 && logLargeCopy(v, s)
 22016  	// result: (LoweredMoveLoop [s] dst src mem)
 22017  	for {
 22018  		s := auxIntToInt64(v.AuxInt)
 22019  		dst := v_0
 22020  		src := v_1
 22021  		mem := v_2
 22022  		if !(s >= 192 && logLargeCopy(v, s)) {
 22023  			break
 22024  		}
 22025  		v.reset(OpARM64LoweredMoveLoop)
 22026  		v.AuxInt = int64ToAuxInt(s)
 22027  		v.AddArg3(dst, src, mem)
 22028  		return true
 22029  	}
 22030  	return false
 22031  }
 22032  func rewriteValueARM64_OpMulAddFloat32x4(v *Value) bool {
 22033  	v_2 := v.Args[2]
 22034  	v_1 := v.Args[1]
 22035  	v_0 := v.Args[0]
 22036  	// match: (MulAddFloat32x4 x y z)
 22037  	// result: (VFMLA4S z x y)
 22038  	for {
 22039  		x := v_0
 22040  		y := v_1
 22041  		z := v_2
 22042  		v.reset(OpARM64VFMLA4S)
 22043  		v.AddArg3(z, x, y)
 22044  		return true
 22045  	}
 22046  }
 22047  func rewriteValueARM64_OpMulAddFloat64x2(v *Value) bool {
 22048  	v_2 := v.Args[2]
 22049  	v_1 := v.Args[1]
 22050  	v_0 := v.Args[0]
 22051  	// match: (MulAddFloat64x2 x y z)
 22052  	// result: (VFMLA2D z x y)
 22053  	for {
 22054  		x := v_0
 22055  		y := v_1
 22056  		z := v_2
 22057  		v.reset(OpARM64VFMLA2D)
 22058  		v.AddArg3(z, x, y)
 22059  		return true
 22060  	}
 22061  }
 22062  func rewriteValueARM64_OpMulAddInt16x8(v *Value) bool {
 22063  	v_2 := v.Args[2]
 22064  	v_1 := v.Args[1]
 22065  	v_0 := v.Args[0]
 22066  	// match: (MulAddInt16x8 x y z)
 22067  	// result: (VMLA8H z x y)
 22068  	for {
 22069  		x := v_0
 22070  		y := v_1
 22071  		z := v_2
 22072  		v.reset(OpARM64VMLA8H)
 22073  		v.AddArg3(z, x, y)
 22074  		return true
 22075  	}
 22076  }
 22077  func rewriteValueARM64_OpMulAddInt32x4(v *Value) bool {
 22078  	v_2 := v.Args[2]
 22079  	v_1 := v.Args[1]
 22080  	v_0 := v.Args[0]
 22081  	// match: (MulAddInt32x4 x y z)
 22082  	// result: (VMLA4S z x y)
 22083  	for {
 22084  		x := v_0
 22085  		y := v_1
 22086  		z := v_2
 22087  		v.reset(OpARM64VMLA4S)
 22088  		v.AddArg3(z, x, y)
 22089  		return true
 22090  	}
 22091  }
 22092  func rewriteValueARM64_OpMulAddInt8x16(v *Value) bool {
 22093  	v_2 := v.Args[2]
 22094  	v_1 := v.Args[1]
 22095  	v_0 := v.Args[0]
 22096  	// match: (MulAddInt8x16 x y z)
 22097  	// result: (VMLA16B z x y)
 22098  	for {
 22099  		x := v_0
 22100  		y := v_1
 22101  		z := v_2
 22102  		v.reset(OpARM64VMLA16B)
 22103  		v.AddArg3(z, x, y)
 22104  		return true
 22105  	}
 22106  }
 22107  func rewriteValueARM64_OpMulAddUint16x8(v *Value) bool {
 22108  	v_2 := v.Args[2]
 22109  	v_1 := v.Args[1]
 22110  	v_0 := v.Args[0]
 22111  	// match: (MulAddUint16x8 x y z)
 22112  	// result: (VMLA8H z x y)
 22113  	for {
 22114  		x := v_0
 22115  		y := v_1
 22116  		z := v_2
 22117  		v.reset(OpARM64VMLA8H)
 22118  		v.AddArg3(z, x, y)
 22119  		return true
 22120  	}
 22121  }
 22122  func rewriteValueARM64_OpMulAddUint32x4(v *Value) bool {
 22123  	v_2 := v.Args[2]
 22124  	v_1 := v.Args[1]
 22125  	v_0 := v.Args[0]
 22126  	// match: (MulAddUint32x4 x y z)
 22127  	// result: (VMLA4S z x y)
 22128  	for {
 22129  		x := v_0
 22130  		y := v_1
 22131  		z := v_2
 22132  		v.reset(OpARM64VMLA4S)
 22133  		v.AddArg3(z, x, y)
 22134  		return true
 22135  	}
 22136  }
 22137  func rewriteValueARM64_OpMulAddUint8x16(v *Value) bool {
 22138  	v_2 := v.Args[2]
 22139  	v_1 := v.Args[1]
 22140  	v_0 := v.Args[0]
 22141  	// match: (MulAddUint8x16 x y z)
 22142  	// result: (VMLA16B z x y)
 22143  	for {
 22144  		x := v_0
 22145  		y := v_1
 22146  		z := v_2
 22147  		v.reset(OpARM64VMLA16B)
 22148  		v.AddArg3(z, x, y)
 22149  		return true
 22150  	}
 22151  }
 22152  func rewriteValueARM64_OpNeq16(v *Value) bool {
 22153  	v_1 := v.Args[1]
 22154  	v_0 := v.Args[0]
 22155  	b := v.Block
 22156  	typ := &b.Func.Config.Types
 22157  	// match: (Neq16 x y)
 22158  	// result: (NotEqual (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 22159  	for {
 22160  		x := v_0
 22161  		y := v_1
 22162  		v.reset(OpARM64NotEqual)
 22163  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 22164  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 22165  		v1.AddArg(x)
 22166  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 22167  		v2.AddArg(y)
 22168  		v0.AddArg2(v1, v2)
 22169  		v.AddArg(v0)
 22170  		return true
 22171  	}
 22172  }
 22173  func rewriteValueARM64_OpNeq32(v *Value) bool {
 22174  	v_1 := v.Args[1]
 22175  	v_0 := v.Args[0]
 22176  	b := v.Block
 22177  	// match: (Neq32 x y)
 22178  	// result: (NotEqual (CMPW x y))
 22179  	for {
 22180  		x := v_0
 22181  		y := v_1
 22182  		v.reset(OpARM64NotEqual)
 22183  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 22184  		v0.AddArg2(x, y)
 22185  		v.AddArg(v0)
 22186  		return true
 22187  	}
 22188  }
 22189  func rewriteValueARM64_OpNeq32F(v *Value) bool {
 22190  	v_1 := v.Args[1]
 22191  	v_0 := v.Args[0]
 22192  	b := v.Block
 22193  	// match: (Neq32F x y)
 22194  	// result: (NotEqual (FCMPS x y))
 22195  	for {
 22196  		x := v_0
 22197  		y := v_1
 22198  		v.reset(OpARM64NotEqual)
 22199  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 22200  		v0.AddArg2(x, y)
 22201  		v.AddArg(v0)
 22202  		return true
 22203  	}
 22204  }
 22205  func rewriteValueARM64_OpNeq64(v *Value) bool {
 22206  	v_1 := v.Args[1]
 22207  	v_0 := v.Args[0]
 22208  	b := v.Block
 22209  	// match: (Neq64 x y)
 22210  	// result: (NotEqual (CMP x y))
 22211  	for {
 22212  		x := v_0
 22213  		y := v_1
 22214  		v.reset(OpARM64NotEqual)
 22215  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 22216  		v0.AddArg2(x, y)
 22217  		v.AddArg(v0)
 22218  		return true
 22219  	}
 22220  }
 22221  func rewriteValueARM64_OpNeq64F(v *Value) bool {
 22222  	v_1 := v.Args[1]
 22223  	v_0 := v.Args[0]
 22224  	b := v.Block
 22225  	// match: (Neq64F x y)
 22226  	// result: (NotEqual (FCMPD x y))
 22227  	for {
 22228  		x := v_0
 22229  		y := v_1
 22230  		v.reset(OpARM64NotEqual)
 22231  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 22232  		v0.AddArg2(x, y)
 22233  		v.AddArg(v0)
 22234  		return true
 22235  	}
 22236  }
 22237  func rewriteValueARM64_OpNeq8(v *Value) bool {
 22238  	v_1 := v.Args[1]
 22239  	v_0 := v.Args[0]
 22240  	b := v.Block
 22241  	typ := &b.Func.Config.Types
 22242  	// match: (Neq8 x y)
 22243  	// result: (NotEqual (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 22244  	for {
 22245  		x := v_0
 22246  		y := v_1
 22247  		v.reset(OpARM64NotEqual)
 22248  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 22249  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 22250  		v1.AddArg(x)
 22251  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 22252  		v2.AddArg(y)
 22253  		v0.AddArg2(v1, v2)
 22254  		v.AddArg(v0)
 22255  		return true
 22256  	}
 22257  }
 22258  func rewriteValueARM64_OpNeqPtr(v *Value) bool {
 22259  	v_1 := v.Args[1]
 22260  	v_0 := v.Args[0]
 22261  	b := v.Block
 22262  	// match: (NeqPtr x y)
 22263  	// result: (NotEqual (CMP x y))
 22264  	for {
 22265  		x := v_0
 22266  		y := v_1
 22267  		v.reset(OpARM64NotEqual)
 22268  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 22269  		v0.AddArg2(x, y)
 22270  		v.AddArg(v0)
 22271  		return true
 22272  	}
 22273  }
 22274  func rewriteValueARM64_OpNot(v *Value) bool {
 22275  	v_0 := v.Args[0]
 22276  	b := v.Block
 22277  	typ := &b.Func.Config.Types
 22278  	// match: (Not x)
 22279  	// result: (XOR (MOVDconst [1]) x)
 22280  	for {
 22281  		x := v_0
 22282  		v.reset(OpARM64XOR)
 22283  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22284  		v0.AuxInt = int64ToAuxInt(1)
 22285  		v.AddArg2(v0, x)
 22286  		return true
 22287  	}
 22288  }
 22289  func rewriteValueARM64_OpOffPtr(v *Value) bool {
 22290  	v_0 := v.Args[0]
 22291  	// match: (OffPtr [off] ptr:(SP))
 22292  	// cond: is32Bit(off)
 22293  	// result: (MOVDaddr [int32(off)] ptr)
 22294  	for {
 22295  		off := auxIntToInt64(v.AuxInt)
 22296  		ptr := v_0
 22297  		if ptr.Op != OpSP || !(is32Bit(off)) {
 22298  			break
 22299  		}
 22300  		v.reset(OpARM64MOVDaddr)
 22301  		v.AuxInt = int32ToAuxInt(int32(off))
 22302  		v.AddArg(ptr)
 22303  		return true
 22304  	}
 22305  	// match: (OffPtr [off] ptr)
 22306  	// result: (ADDconst [off] ptr)
 22307  	for {
 22308  		off := auxIntToInt64(v.AuxInt)
 22309  		ptr := v_0
 22310  		v.reset(OpARM64ADDconst)
 22311  		v.AuxInt = int64ToAuxInt(off)
 22312  		v.AddArg(ptr)
 22313  		return true
 22314  	}
 22315  }
 22316  func rewriteValueARM64_OpPopCount16(v *Value) bool {
 22317  	v_0 := v.Args[0]
 22318  	b := v.Block
 22319  	typ := &b.Func.Config.Types
 22320  	// match: (PopCount16 <t> x)
 22321  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt16to64 x)))))
 22322  	for {
 22323  		t := v.Type
 22324  		x := v_0
 22325  		v.reset(OpARM64FMOVDfpgp)
 22326  		v.Type = t
 22327  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 22328  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 22329  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 22330  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22331  		v3.AddArg(x)
 22332  		v2.AddArg(v3)
 22333  		v1.AddArg(v2)
 22334  		v0.AddArg(v1)
 22335  		v.AddArg(v0)
 22336  		return true
 22337  	}
 22338  }
 22339  func rewriteValueARM64_OpPopCount32(v *Value) bool {
 22340  	v_0 := v.Args[0]
 22341  	b := v.Block
 22342  	typ := &b.Func.Config.Types
 22343  	// match: (PopCount32 <t> x)
 22344  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt32to64 x)))))
 22345  	for {
 22346  		t := v.Type
 22347  		x := v_0
 22348  		v.reset(OpARM64FMOVDfpgp)
 22349  		v.Type = t
 22350  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 22351  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 22352  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 22353  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22354  		v3.AddArg(x)
 22355  		v2.AddArg(v3)
 22356  		v1.AddArg(v2)
 22357  		v0.AddArg(v1)
 22358  		v.AddArg(v0)
 22359  		return true
 22360  	}
 22361  }
 22362  func rewriteValueARM64_OpPopCount64(v *Value) bool {
 22363  	v_0 := v.Args[0]
 22364  	b := v.Block
 22365  	typ := &b.Func.Config.Types
 22366  	// match: (PopCount64 <t> x)
 22367  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> x))))
 22368  	for {
 22369  		t := v.Type
 22370  		x := v_0
 22371  		v.reset(OpARM64FMOVDfpgp)
 22372  		v.Type = t
 22373  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 22374  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 22375  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 22376  		v2.AddArg(x)
 22377  		v1.AddArg(v2)
 22378  		v0.AddArg(v1)
 22379  		v.AddArg(v0)
 22380  		return true
 22381  	}
 22382  }
 22383  func rewriteValueARM64_OpPrefetchCache(v *Value) bool {
 22384  	v_1 := v.Args[1]
 22385  	v_0 := v.Args[0]
 22386  	// match: (PrefetchCache addr mem)
 22387  	// result: (PRFM [0] addr mem)
 22388  	for {
 22389  		addr := v_0
 22390  		mem := v_1
 22391  		v.reset(OpARM64PRFM)
 22392  		v.AuxInt = int64ToAuxInt(0)
 22393  		v.AddArg2(addr, mem)
 22394  		return true
 22395  	}
 22396  }
 22397  func rewriteValueARM64_OpPrefetchCacheStreamed(v *Value) bool {
 22398  	v_1 := v.Args[1]
 22399  	v_0 := v.Args[0]
 22400  	// match: (PrefetchCacheStreamed addr mem)
 22401  	// result: (PRFM [1] addr mem)
 22402  	for {
 22403  		addr := v_0
 22404  		mem := v_1
 22405  		v.reset(OpARM64PRFM)
 22406  		v.AuxInt = int64ToAuxInt(1)
 22407  		v.AddArg2(addr, mem)
 22408  		return true
 22409  	}
 22410  }
 22411  func rewriteValueARM64_OpPubBarrier(v *Value) bool {
 22412  	v_0 := v.Args[0]
 22413  	// match: (PubBarrier mem)
 22414  	// result: (DMB [0xe] mem)
 22415  	for {
 22416  		mem := v_0
 22417  		v.reset(OpARM64DMB)
 22418  		v.AuxInt = int64ToAuxInt(0xe)
 22419  		v.AddArg(mem)
 22420  		return true
 22421  	}
 22422  }
 22423  func rewriteValueARM64_OpRotateLeft16(v *Value) bool {
 22424  	v_1 := v.Args[1]
 22425  	v_0 := v.Args[0]
 22426  	b := v.Block
 22427  	typ := &b.Func.Config.Types
 22428  	// match: (RotateLeft16 <t> x (MOVDconst [c]))
 22429  	// result: (Or16 (Lsh16x64 <t> x (MOVDconst [c&15])) (Rsh16Ux64 <t> x (MOVDconst [-c&15])))
 22430  	for {
 22431  		t := v.Type
 22432  		x := v_0
 22433  		if v_1.Op != OpARM64MOVDconst {
 22434  			break
 22435  		}
 22436  		c := auxIntToInt64(v_1.AuxInt)
 22437  		v.reset(OpOr16)
 22438  		v0 := b.NewValue0(v.Pos, OpLsh16x64, t)
 22439  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22440  		v1.AuxInt = int64ToAuxInt(c & 15)
 22441  		v0.AddArg2(x, v1)
 22442  		v2 := b.NewValue0(v.Pos, OpRsh16Ux64, t)
 22443  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22444  		v3.AuxInt = int64ToAuxInt(-c & 15)
 22445  		v2.AddArg2(x, v3)
 22446  		v.AddArg2(v0, v2)
 22447  		return true
 22448  	}
 22449  	// match: (RotateLeft16 <t> x y)
 22450  	// result: (RORW <t> (ORshiftLL <typ.UInt32> (ZeroExt16to32 x) (ZeroExt16to32 x) [16]) (NEG <typ.Int64> y))
 22451  	for {
 22452  		t := v.Type
 22453  		x := v_0
 22454  		y := v_1
 22455  		v.reset(OpARM64RORW)
 22456  		v.Type = t
 22457  		v0 := b.NewValue0(v.Pos, OpARM64ORshiftLL, typ.UInt32)
 22458  		v0.AuxInt = int64ToAuxInt(16)
 22459  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 22460  		v1.AddArg(x)
 22461  		v0.AddArg2(v1, v1)
 22462  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 22463  		v2.AddArg(y)
 22464  		v.AddArg2(v0, v2)
 22465  		return true
 22466  	}
 22467  }
 22468  func rewriteValueARM64_OpRotateLeft32(v *Value) bool {
 22469  	v_1 := v.Args[1]
 22470  	v_0 := v.Args[0]
 22471  	b := v.Block
 22472  	// match: (RotateLeft32 x y)
 22473  	// result: (RORW x (NEG <y.Type> y))
 22474  	for {
 22475  		x := v_0
 22476  		y := v_1
 22477  		v.reset(OpARM64RORW)
 22478  		v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type)
 22479  		v0.AddArg(y)
 22480  		v.AddArg2(x, v0)
 22481  		return true
 22482  	}
 22483  }
 22484  func rewriteValueARM64_OpRotateLeft64(v *Value) bool {
 22485  	v_1 := v.Args[1]
 22486  	v_0 := v.Args[0]
 22487  	b := v.Block
 22488  	// match: (RotateLeft64 x y)
 22489  	// result: (ROR x (NEG <y.Type> y))
 22490  	for {
 22491  		x := v_0
 22492  		y := v_1
 22493  		v.reset(OpARM64ROR)
 22494  		v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type)
 22495  		v0.AddArg(y)
 22496  		v.AddArg2(x, v0)
 22497  		return true
 22498  	}
 22499  }
 22500  func rewriteValueARM64_OpRotateLeft8(v *Value) bool {
 22501  	v_1 := v.Args[1]
 22502  	v_0 := v.Args[0]
 22503  	b := v.Block
 22504  	typ := &b.Func.Config.Types
 22505  	// match: (RotateLeft8 <t> x (MOVDconst [c]))
 22506  	// result: (Or8 (Lsh8x64 <t> x (MOVDconst [c&7])) (Rsh8Ux64 <t> x (MOVDconst [-c&7])))
 22507  	for {
 22508  		t := v.Type
 22509  		x := v_0
 22510  		if v_1.Op != OpARM64MOVDconst {
 22511  			break
 22512  		}
 22513  		c := auxIntToInt64(v_1.AuxInt)
 22514  		v.reset(OpOr8)
 22515  		v0 := b.NewValue0(v.Pos, OpLsh8x64, t)
 22516  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22517  		v1.AuxInt = int64ToAuxInt(c & 7)
 22518  		v0.AddArg2(x, v1)
 22519  		v2 := b.NewValue0(v.Pos, OpRsh8Ux64, t)
 22520  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22521  		v3.AuxInt = int64ToAuxInt(-c & 7)
 22522  		v2.AddArg2(x, v3)
 22523  		v.AddArg2(v0, v2)
 22524  		return true
 22525  	}
 22526  	// match: (RotateLeft8 <t> x y)
 22527  	// result: (OR <t> (SLL <t> x (ANDconst <typ.Int64> [7] y)) (SRL <t> (ZeroExt8to64 x) (ANDconst <typ.Int64> [7] (NEG <typ.Int64> y))))
 22528  	for {
 22529  		t := v.Type
 22530  		x := v_0
 22531  		y := v_1
 22532  		v.reset(OpARM64OR)
 22533  		v.Type = t
 22534  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 22535  		v1 := b.NewValue0(v.Pos, OpARM64ANDconst, typ.Int64)
 22536  		v1.AuxInt = int64ToAuxInt(7)
 22537  		v1.AddArg(y)
 22538  		v0.AddArg2(x, v1)
 22539  		v2 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22540  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22541  		v3.AddArg(x)
 22542  		v4 := b.NewValue0(v.Pos, OpARM64ANDconst, typ.Int64)
 22543  		v4.AuxInt = int64ToAuxInt(7)
 22544  		v5 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 22545  		v5.AddArg(y)
 22546  		v4.AddArg(v5)
 22547  		v2.AddArg2(v3, v4)
 22548  		v.AddArg2(v0, v2)
 22549  		return true
 22550  	}
 22551  }
 22552  func rewriteValueARM64_OpRsh16Ux16(v *Value) bool {
 22553  	v_1 := v.Args[1]
 22554  	v_0 := v.Args[0]
 22555  	b := v.Block
 22556  	typ := &b.Func.Config.Types
 22557  	// match: (Rsh16Ux16 <t> [bounded] x y)
 22558  	// result: (Rsh64Ux16 <t> [bounded] (ZeroExt16to64 x) y)
 22559  	for {
 22560  		t := v.Type
 22561  		bounded := auxIntToBool(v.AuxInt)
 22562  		x := v_0
 22563  		y := v_1
 22564  		v.reset(OpRsh64Ux16)
 22565  		v.Type = t
 22566  		v.AuxInt = boolToAuxInt(bounded)
 22567  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22568  		v0.AddArg(x)
 22569  		v.AddArg2(v0, y)
 22570  		return true
 22571  	}
 22572  }
 22573  func rewriteValueARM64_OpRsh16Ux32(v *Value) bool {
 22574  	v_1 := v.Args[1]
 22575  	v_0 := v.Args[0]
 22576  	b := v.Block
 22577  	typ := &b.Func.Config.Types
 22578  	// match: (Rsh16Ux32 <t> [bounded] x y)
 22579  	// result: (Rsh64Ux32 <t> [bounded] (ZeroExt16to64 x) y)
 22580  	for {
 22581  		t := v.Type
 22582  		bounded := auxIntToBool(v.AuxInt)
 22583  		x := v_0
 22584  		y := v_1
 22585  		v.reset(OpRsh64Ux32)
 22586  		v.Type = t
 22587  		v.AuxInt = boolToAuxInt(bounded)
 22588  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22589  		v0.AddArg(x)
 22590  		v.AddArg2(v0, y)
 22591  		return true
 22592  	}
 22593  }
 22594  func rewriteValueARM64_OpRsh16Ux64(v *Value) bool {
 22595  	v_1 := v.Args[1]
 22596  	v_0 := v.Args[0]
 22597  	b := v.Block
 22598  	typ := &b.Func.Config.Types
 22599  	// match: (Rsh16Ux64 <t> [bounded] x y)
 22600  	// result: (Rsh64Ux64 <t> [bounded] (ZeroExt16to64 x) y)
 22601  	for {
 22602  		t := v.Type
 22603  		bounded := auxIntToBool(v.AuxInt)
 22604  		x := v_0
 22605  		y := v_1
 22606  		v.reset(OpRsh64Ux64)
 22607  		v.Type = t
 22608  		v.AuxInt = boolToAuxInt(bounded)
 22609  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22610  		v0.AddArg(x)
 22611  		v.AddArg2(v0, y)
 22612  		return true
 22613  	}
 22614  }
 22615  func rewriteValueARM64_OpRsh16Ux8(v *Value) bool {
 22616  	v_1 := v.Args[1]
 22617  	v_0 := v.Args[0]
 22618  	b := v.Block
 22619  	typ := &b.Func.Config.Types
 22620  	// match: (Rsh16Ux8 <t> [bounded] x y)
 22621  	// result: (Rsh64Ux8 <t> [bounded] (ZeroExt16to64 x) y)
 22622  	for {
 22623  		t := v.Type
 22624  		bounded := auxIntToBool(v.AuxInt)
 22625  		x := v_0
 22626  		y := v_1
 22627  		v.reset(OpRsh64Ux8)
 22628  		v.Type = t
 22629  		v.AuxInt = boolToAuxInt(bounded)
 22630  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22631  		v0.AddArg(x)
 22632  		v.AddArg2(v0, y)
 22633  		return true
 22634  	}
 22635  }
 22636  func rewriteValueARM64_OpRsh16x16(v *Value) bool {
 22637  	v_1 := v.Args[1]
 22638  	v_0 := v.Args[0]
 22639  	b := v.Block
 22640  	typ := &b.Func.Config.Types
 22641  	// match: (Rsh16x16 <t> [bounded] x y)
 22642  	// result: (Rsh64x16 <t> [bounded] (SignExt16to64 x) y)
 22643  	for {
 22644  		t := v.Type
 22645  		bounded := auxIntToBool(v.AuxInt)
 22646  		x := v_0
 22647  		y := v_1
 22648  		v.reset(OpRsh64x16)
 22649  		v.Type = t
 22650  		v.AuxInt = boolToAuxInt(bounded)
 22651  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22652  		v0.AddArg(x)
 22653  		v.AddArg2(v0, y)
 22654  		return true
 22655  	}
 22656  }
 22657  func rewriteValueARM64_OpRsh16x32(v *Value) bool {
 22658  	v_1 := v.Args[1]
 22659  	v_0 := v.Args[0]
 22660  	b := v.Block
 22661  	typ := &b.Func.Config.Types
 22662  	// match: (Rsh16x32 <t> [bounded] x y)
 22663  	// result: (Rsh64x32 <t> [bounded] (SignExt16to64 x) y)
 22664  	for {
 22665  		t := v.Type
 22666  		bounded := auxIntToBool(v.AuxInt)
 22667  		x := v_0
 22668  		y := v_1
 22669  		v.reset(OpRsh64x32)
 22670  		v.Type = t
 22671  		v.AuxInt = boolToAuxInt(bounded)
 22672  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22673  		v0.AddArg(x)
 22674  		v.AddArg2(v0, y)
 22675  		return true
 22676  	}
 22677  }
 22678  func rewriteValueARM64_OpRsh16x64(v *Value) bool {
 22679  	v_1 := v.Args[1]
 22680  	v_0 := v.Args[0]
 22681  	b := v.Block
 22682  	typ := &b.Func.Config.Types
 22683  	// match: (Rsh16x64 <t> [bounded] x y)
 22684  	// result: (Rsh64x64 <t> [bounded] (SignExt16to64 x) y)
 22685  	for {
 22686  		t := v.Type
 22687  		bounded := auxIntToBool(v.AuxInt)
 22688  		x := v_0
 22689  		y := v_1
 22690  		v.reset(OpRsh64x64)
 22691  		v.Type = t
 22692  		v.AuxInt = boolToAuxInt(bounded)
 22693  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22694  		v0.AddArg(x)
 22695  		v.AddArg2(v0, y)
 22696  		return true
 22697  	}
 22698  }
 22699  func rewriteValueARM64_OpRsh16x8(v *Value) bool {
 22700  	v_1 := v.Args[1]
 22701  	v_0 := v.Args[0]
 22702  	b := v.Block
 22703  	typ := &b.Func.Config.Types
 22704  	// match: (Rsh16x8 <t> [bounded] x y)
 22705  	// result: (Rsh64x8 <t> [bounded] (SignExt16to64 x) y)
 22706  	for {
 22707  		t := v.Type
 22708  		bounded := auxIntToBool(v.AuxInt)
 22709  		x := v_0
 22710  		y := v_1
 22711  		v.reset(OpRsh64x8)
 22712  		v.Type = t
 22713  		v.AuxInt = boolToAuxInt(bounded)
 22714  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22715  		v0.AddArg(x)
 22716  		v.AddArg2(v0, y)
 22717  		return true
 22718  	}
 22719  }
 22720  func rewriteValueARM64_OpRsh32Ux16(v *Value) bool {
 22721  	v_1 := v.Args[1]
 22722  	v_0 := v.Args[0]
 22723  	b := v.Block
 22724  	typ := &b.Func.Config.Types
 22725  	// match: (Rsh32Ux16 <t> [bounded] x y)
 22726  	// result: (Rsh64Ux16 <t> [bounded] (ZeroExt32to64 x) y)
 22727  	for {
 22728  		t := v.Type
 22729  		bounded := auxIntToBool(v.AuxInt)
 22730  		x := v_0
 22731  		y := v_1
 22732  		v.reset(OpRsh64Ux16)
 22733  		v.Type = t
 22734  		v.AuxInt = boolToAuxInt(bounded)
 22735  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22736  		v0.AddArg(x)
 22737  		v.AddArg2(v0, y)
 22738  		return true
 22739  	}
 22740  }
 22741  func rewriteValueARM64_OpRsh32Ux32(v *Value) bool {
 22742  	v_1 := v.Args[1]
 22743  	v_0 := v.Args[0]
 22744  	b := v.Block
 22745  	typ := &b.Func.Config.Types
 22746  	// match: (Rsh32Ux32 <t> [bounded] x y)
 22747  	// result: (Rsh64Ux32 <t> [bounded] (ZeroExt32to64 x) y)
 22748  	for {
 22749  		t := v.Type
 22750  		bounded := auxIntToBool(v.AuxInt)
 22751  		x := v_0
 22752  		y := v_1
 22753  		v.reset(OpRsh64Ux32)
 22754  		v.Type = t
 22755  		v.AuxInt = boolToAuxInt(bounded)
 22756  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22757  		v0.AddArg(x)
 22758  		v.AddArg2(v0, y)
 22759  		return true
 22760  	}
 22761  }
 22762  func rewriteValueARM64_OpRsh32Ux64(v *Value) bool {
 22763  	v_1 := v.Args[1]
 22764  	v_0 := v.Args[0]
 22765  	b := v.Block
 22766  	typ := &b.Func.Config.Types
 22767  	// match: (Rsh32Ux64 <t> [bounded] x y)
 22768  	// result: (Rsh64Ux64 <t> [bounded] (ZeroExt32to64 x) y)
 22769  	for {
 22770  		t := v.Type
 22771  		bounded := auxIntToBool(v.AuxInt)
 22772  		x := v_0
 22773  		y := v_1
 22774  		v.reset(OpRsh64Ux64)
 22775  		v.Type = t
 22776  		v.AuxInt = boolToAuxInt(bounded)
 22777  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22778  		v0.AddArg(x)
 22779  		v.AddArg2(v0, y)
 22780  		return true
 22781  	}
 22782  }
 22783  func rewriteValueARM64_OpRsh32Ux8(v *Value) bool {
 22784  	v_1 := v.Args[1]
 22785  	v_0 := v.Args[0]
 22786  	b := v.Block
 22787  	typ := &b.Func.Config.Types
 22788  	// match: (Rsh32Ux8 <t> [bounded] x y)
 22789  	// result: (Rsh64Ux8 <t> [bounded] (ZeroExt32to64 x) y)
 22790  	for {
 22791  		t := v.Type
 22792  		bounded := auxIntToBool(v.AuxInt)
 22793  		x := v_0
 22794  		y := v_1
 22795  		v.reset(OpRsh64Ux8)
 22796  		v.Type = t
 22797  		v.AuxInt = boolToAuxInt(bounded)
 22798  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22799  		v0.AddArg(x)
 22800  		v.AddArg2(v0, y)
 22801  		return true
 22802  	}
 22803  }
 22804  func rewriteValueARM64_OpRsh32x16(v *Value) bool {
 22805  	v_1 := v.Args[1]
 22806  	v_0 := v.Args[0]
 22807  	b := v.Block
 22808  	typ := &b.Func.Config.Types
 22809  	// match: (Rsh32x16 <t> [bounded] x y)
 22810  	// result: (Rsh64x16 <t> [bounded] (SignExt32to64 x) y)
 22811  	for {
 22812  		t := v.Type
 22813  		bounded := auxIntToBool(v.AuxInt)
 22814  		x := v_0
 22815  		y := v_1
 22816  		v.reset(OpRsh64x16)
 22817  		v.Type = t
 22818  		v.AuxInt = boolToAuxInt(bounded)
 22819  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22820  		v0.AddArg(x)
 22821  		v.AddArg2(v0, y)
 22822  		return true
 22823  	}
 22824  }
 22825  func rewriteValueARM64_OpRsh32x32(v *Value) bool {
 22826  	v_1 := v.Args[1]
 22827  	v_0 := v.Args[0]
 22828  	b := v.Block
 22829  	typ := &b.Func.Config.Types
 22830  	// match: (Rsh32x32 <t> [bounded] x y)
 22831  	// result: (Rsh64x32 <t> [bounded] (SignExt32to64 x) y)
 22832  	for {
 22833  		t := v.Type
 22834  		bounded := auxIntToBool(v.AuxInt)
 22835  		x := v_0
 22836  		y := v_1
 22837  		v.reset(OpRsh64x32)
 22838  		v.Type = t
 22839  		v.AuxInt = boolToAuxInt(bounded)
 22840  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22841  		v0.AddArg(x)
 22842  		v.AddArg2(v0, y)
 22843  		return true
 22844  	}
 22845  }
 22846  func rewriteValueARM64_OpRsh32x64(v *Value) bool {
 22847  	v_1 := v.Args[1]
 22848  	v_0 := v.Args[0]
 22849  	b := v.Block
 22850  	typ := &b.Func.Config.Types
 22851  	// match: (Rsh32x64 <t> [bounded] x y)
 22852  	// result: (Rsh64x64 <t> [bounded] (SignExt32to64 x) y)
 22853  	for {
 22854  		t := v.Type
 22855  		bounded := auxIntToBool(v.AuxInt)
 22856  		x := v_0
 22857  		y := v_1
 22858  		v.reset(OpRsh64x64)
 22859  		v.Type = t
 22860  		v.AuxInt = boolToAuxInt(bounded)
 22861  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22862  		v0.AddArg(x)
 22863  		v.AddArg2(v0, y)
 22864  		return true
 22865  	}
 22866  }
 22867  func rewriteValueARM64_OpRsh32x8(v *Value) bool {
 22868  	v_1 := v.Args[1]
 22869  	v_0 := v.Args[0]
 22870  	b := v.Block
 22871  	typ := &b.Func.Config.Types
 22872  	// match: (Rsh32x8 <t> [bounded] x y)
 22873  	// result: (Rsh64x8 <t> [bounded] (SignExt32to64 x) y)
 22874  	for {
 22875  		t := v.Type
 22876  		bounded := auxIntToBool(v.AuxInt)
 22877  		x := v_0
 22878  		y := v_1
 22879  		v.reset(OpRsh64x8)
 22880  		v.Type = t
 22881  		v.AuxInt = boolToAuxInt(bounded)
 22882  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22883  		v0.AddArg(x)
 22884  		v.AddArg2(v0, y)
 22885  		return true
 22886  	}
 22887  }
 22888  func rewriteValueARM64_OpRsh64Ux16(v *Value) bool {
 22889  	v_1 := v.Args[1]
 22890  	v_0 := v.Args[0]
 22891  	b := v.Block
 22892  	typ := &b.Func.Config.Types
 22893  	// match: (Rsh64Ux16 <t> x y)
 22894  	// cond: shiftIsBounded(v)
 22895  	// result: (SRL <t> x y)
 22896  	for {
 22897  		t := v.Type
 22898  		x := v_0
 22899  		y := v_1
 22900  		if !(shiftIsBounded(v)) {
 22901  			break
 22902  		}
 22903  		v.reset(OpARM64SRL)
 22904  		v.Type = t
 22905  		v.AddArg2(x, y)
 22906  		return true
 22907  	}
 22908  	// match: (Rsh64Ux16 <t> [bounded] x y)
 22909  	// cond: !shiftIsBounded(v)
 22910  	// result: (Rsh64Ux32 <t> [bounded] x (ZeroExt16to32 y))
 22911  	for {
 22912  		t := v.Type
 22913  		bounded := auxIntToBool(v.AuxInt)
 22914  		x := v_0
 22915  		y := v_1
 22916  		if !(!shiftIsBounded(v)) {
 22917  			break
 22918  		}
 22919  		v.reset(OpRsh64Ux32)
 22920  		v.Type = t
 22921  		v.AuxInt = boolToAuxInt(bounded)
 22922  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 22923  		v0.AddArg(y)
 22924  		v.AddArg2(x, v0)
 22925  		return true
 22926  	}
 22927  	return false
 22928  }
 22929  func rewriteValueARM64_OpRsh64Ux32(v *Value) bool {
 22930  	v_1 := v.Args[1]
 22931  	v_0 := v.Args[0]
 22932  	b := v.Block
 22933  	// match: (Rsh64Ux32 <t> x y)
 22934  	// cond: shiftIsBounded(v)
 22935  	// result: (SRL <t> x y)
 22936  	for {
 22937  		t := v.Type
 22938  		x := v_0
 22939  		y := v_1
 22940  		if !(shiftIsBounded(v)) {
 22941  			break
 22942  		}
 22943  		v.reset(OpARM64SRL)
 22944  		v.Type = t
 22945  		v.AddArg2(x, y)
 22946  		return true
 22947  	}
 22948  	// match: (Rsh64Ux32 <t> x y)
 22949  	// cond: !shiftIsBounded(v)
 22950  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPWconst [64] y))
 22951  	for {
 22952  		t := v.Type
 22953  		x := v_0
 22954  		y := v_1
 22955  		if !(!shiftIsBounded(v)) {
 22956  			break
 22957  		}
 22958  		v.reset(OpARM64CSEL)
 22959  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22960  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22961  		v0.AddArg2(x, y)
 22962  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 22963  		v1.AuxInt = int64ToAuxInt(0)
 22964  		v2 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags)
 22965  		v2.AuxInt = int32ToAuxInt(64)
 22966  		v2.AddArg(y)
 22967  		v.AddArg3(v0, v1, v2)
 22968  		return true
 22969  	}
 22970  	return false
 22971  }
 22972  func rewriteValueARM64_OpRsh64Ux64(v *Value) bool {
 22973  	v_1 := v.Args[1]
 22974  	v_0 := v.Args[0]
 22975  	b := v.Block
 22976  	// match: (Rsh64Ux64 <t> x y)
 22977  	// cond: shiftIsBounded(v)
 22978  	// result: (SRL <t> x y)
 22979  	for {
 22980  		t := v.Type
 22981  		x := v_0
 22982  		y := v_1
 22983  		if !(shiftIsBounded(v)) {
 22984  			break
 22985  		}
 22986  		v.reset(OpARM64SRL)
 22987  		v.Type = t
 22988  		v.AddArg2(x, y)
 22989  		return true
 22990  	}
 22991  	// match: (Rsh64Ux64 <t> x y)
 22992  	// cond: !shiftIsBounded(v)
 22993  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 22994  	for {
 22995  		t := v.Type
 22996  		x := v_0
 22997  		y := v_1
 22998  		if !(!shiftIsBounded(v)) {
 22999  			break
 23000  		}
 23001  		v.reset(OpARM64CSEL)
 23002  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 23003  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 23004  		v0.AddArg2(x, y)
 23005  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 23006  		v1.AuxInt = int64ToAuxInt(0)
 23007  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23008  		v2.AuxInt = int64ToAuxInt(64)
 23009  		v2.AddArg(y)
 23010  		v.AddArg3(v0, v1, v2)
 23011  		return true
 23012  	}
 23013  	return false
 23014  }
 23015  func rewriteValueARM64_OpRsh64Ux8(v *Value) bool {
 23016  	v_1 := v.Args[1]
 23017  	v_0 := v.Args[0]
 23018  	b := v.Block
 23019  	typ := &b.Func.Config.Types
 23020  	// match: (Rsh64Ux8 <t> x y)
 23021  	// cond: shiftIsBounded(v)
 23022  	// result: (SRL <t> x y)
 23023  	for {
 23024  		t := v.Type
 23025  		x := v_0
 23026  		y := v_1
 23027  		if !(shiftIsBounded(v)) {
 23028  			break
 23029  		}
 23030  		v.reset(OpARM64SRL)
 23031  		v.Type = t
 23032  		v.AddArg2(x, y)
 23033  		return true
 23034  	}
 23035  	// match: (Rsh64Ux8 <t> [bounded] x y)
 23036  	// cond: !shiftIsBounded(v)
 23037  	// result: (Rsh64Ux32 <t> [bounded] x (ZeroExt8to32 y))
 23038  	for {
 23039  		t := v.Type
 23040  		bounded := auxIntToBool(v.AuxInt)
 23041  		x := v_0
 23042  		y := v_1
 23043  		if !(!shiftIsBounded(v)) {
 23044  			break
 23045  		}
 23046  		v.reset(OpRsh64Ux32)
 23047  		v.Type = t
 23048  		v.AuxInt = boolToAuxInt(bounded)
 23049  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 23050  		v0.AddArg(y)
 23051  		v.AddArg2(x, v0)
 23052  		return true
 23053  	}
 23054  	return false
 23055  }
 23056  func rewriteValueARM64_OpRsh64x16(v *Value) bool {
 23057  	v_1 := v.Args[1]
 23058  	v_0 := v.Args[0]
 23059  	b := v.Block
 23060  	typ := &b.Func.Config.Types
 23061  	// match: (Rsh64x16 <t> x y)
 23062  	// cond: shiftIsBounded(v)
 23063  	// result: (SRA <t> x y)
 23064  	for {
 23065  		t := v.Type
 23066  		x := v_0
 23067  		y := v_1
 23068  		if !(shiftIsBounded(v)) {
 23069  			break
 23070  		}
 23071  		v.reset(OpARM64SRA)
 23072  		v.Type = t
 23073  		v.AddArg2(x, y)
 23074  		return true
 23075  	}
 23076  	// match: (Rsh64x16 <t> [bounded] x y)
 23077  	// cond: !shiftIsBounded(v)
 23078  	// result: (Rsh64x32 <t> [bounded] x (ZeroExt16to32 y))
 23079  	for {
 23080  		t := v.Type
 23081  		bounded := auxIntToBool(v.AuxInt)
 23082  		x := v_0
 23083  		y := v_1
 23084  		if !(!shiftIsBounded(v)) {
 23085  			break
 23086  		}
 23087  		v.reset(OpRsh64x32)
 23088  		v.Type = t
 23089  		v.AuxInt = boolToAuxInt(bounded)
 23090  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 23091  		v0.AddArg(y)
 23092  		v.AddArg2(x, v0)
 23093  		return true
 23094  	}
 23095  	return false
 23096  }
 23097  func rewriteValueARM64_OpRsh64x32(v *Value) bool {
 23098  	v_1 := v.Args[1]
 23099  	v_0 := v.Args[0]
 23100  	b := v.Block
 23101  	// match: (Rsh64x32 <t> x y)
 23102  	// cond: shiftIsBounded(v)
 23103  	// result: (SRA <t> x y)
 23104  	for {
 23105  		t := v.Type
 23106  		x := v_0
 23107  		y := v_1
 23108  		if !(shiftIsBounded(v)) {
 23109  			break
 23110  		}
 23111  		v.reset(OpARM64SRA)
 23112  		v.Type = t
 23113  		v.AddArg2(x, y)
 23114  		return true
 23115  	}
 23116  	// match: (Rsh64x32 <t> x y)
 23117  	// cond: !shiftIsBounded(v)
 23118  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPWconst [64] y)))
 23119  	for {
 23120  		x := v_0
 23121  		y := v_1
 23122  		if !(!shiftIsBounded(v)) {
 23123  			break
 23124  		}
 23125  		v.reset(OpARM64SRA)
 23126  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 23127  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 23128  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 23129  		v1.AuxInt = int64ToAuxInt(63)
 23130  		v2 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags)
 23131  		v2.AuxInt = int32ToAuxInt(64)
 23132  		v2.AddArg(y)
 23133  		v0.AddArg3(y, v1, v2)
 23134  		v.AddArg2(x, v0)
 23135  		return true
 23136  	}
 23137  	return false
 23138  }
 23139  func rewriteValueARM64_OpRsh64x64(v *Value) bool {
 23140  	v_1 := v.Args[1]
 23141  	v_0 := v.Args[0]
 23142  	b := v.Block
 23143  	// match: (Rsh64x64 <t> x y)
 23144  	// cond: shiftIsBounded(v)
 23145  	// result: (SRA <t> x y)
 23146  	for {
 23147  		t := v.Type
 23148  		x := v_0
 23149  		y := v_1
 23150  		if !(shiftIsBounded(v)) {
 23151  			break
 23152  		}
 23153  		v.reset(OpARM64SRA)
 23154  		v.Type = t
 23155  		v.AddArg2(x, y)
 23156  		return true
 23157  	}
 23158  	// match: (Rsh64x64 <t> x y)
 23159  	// cond: !shiftIsBounded(v)
 23160  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 23161  	for {
 23162  		x := v_0
 23163  		y := v_1
 23164  		if !(!shiftIsBounded(v)) {
 23165  			break
 23166  		}
 23167  		v.reset(OpARM64SRA)
 23168  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 23169  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 23170  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 23171  		v1.AuxInt = int64ToAuxInt(63)
 23172  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23173  		v2.AuxInt = int64ToAuxInt(64)
 23174  		v2.AddArg(y)
 23175  		v0.AddArg3(y, v1, v2)
 23176  		v.AddArg2(x, v0)
 23177  		return true
 23178  	}
 23179  	return false
 23180  }
 23181  func rewriteValueARM64_OpRsh64x8(v *Value) bool {
 23182  	v_1 := v.Args[1]
 23183  	v_0 := v.Args[0]
 23184  	b := v.Block
 23185  	typ := &b.Func.Config.Types
 23186  	// match: (Rsh64x8 <t> x y)
 23187  	// cond: shiftIsBounded(v)
 23188  	// result: (SRA <t> x y)
 23189  	for {
 23190  		t := v.Type
 23191  		x := v_0
 23192  		y := v_1
 23193  		if !(shiftIsBounded(v)) {
 23194  			break
 23195  		}
 23196  		v.reset(OpARM64SRA)
 23197  		v.Type = t
 23198  		v.AddArg2(x, y)
 23199  		return true
 23200  	}
 23201  	// match: (Rsh64x8 <t> [bounded] x y)
 23202  	// cond: !shiftIsBounded(v)
 23203  	// result: (Rsh64x32 <t> [bounded] x (ZeroExt8to32 y))
 23204  	for {
 23205  		t := v.Type
 23206  		bounded := auxIntToBool(v.AuxInt)
 23207  		x := v_0
 23208  		y := v_1
 23209  		if !(!shiftIsBounded(v)) {
 23210  			break
 23211  		}
 23212  		v.reset(OpRsh64x32)
 23213  		v.Type = t
 23214  		v.AuxInt = boolToAuxInt(bounded)
 23215  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 23216  		v0.AddArg(y)
 23217  		v.AddArg2(x, v0)
 23218  		return true
 23219  	}
 23220  	return false
 23221  }
 23222  func rewriteValueARM64_OpRsh8Ux16(v *Value) bool {
 23223  	v_1 := v.Args[1]
 23224  	v_0 := v.Args[0]
 23225  	b := v.Block
 23226  	typ := &b.Func.Config.Types
 23227  	// match: (Rsh8Ux16 <t> [bounded] x y)
 23228  	// result: (Rsh64Ux16 <t> [bounded] (ZeroExt8to64 x) y)
 23229  	for {
 23230  		t := v.Type
 23231  		bounded := auxIntToBool(v.AuxInt)
 23232  		x := v_0
 23233  		y := v_1
 23234  		v.reset(OpRsh64Ux16)
 23235  		v.Type = t
 23236  		v.AuxInt = boolToAuxInt(bounded)
 23237  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23238  		v0.AddArg(x)
 23239  		v.AddArg2(v0, y)
 23240  		return true
 23241  	}
 23242  }
 23243  func rewriteValueARM64_OpRsh8Ux32(v *Value) bool {
 23244  	v_1 := v.Args[1]
 23245  	v_0 := v.Args[0]
 23246  	b := v.Block
 23247  	typ := &b.Func.Config.Types
 23248  	// match: (Rsh8Ux32 <t> [bounded] x y)
 23249  	// result: (Rsh64Ux32 <t> [bounded] (ZeroExt8to64 x) y)
 23250  	for {
 23251  		t := v.Type
 23252  		bounded := auxIntToBool(v.AuxInt)
 23253  		x := v_0
 23254  		y := v_1
 23255  		v.reset(OpRsh64Ux32)
 23256  		v.Type = t
 23257  		v.AuxInt = boolToAuxInt(bounded)
 23258  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23259  		v0.AddArg(x)
 23260  		v.AddArg2(v0, y)
 23261  		return true
 23262  	}
 23263  }
 23264  func rewriteValueARM64_OpRsh8Ux64(v *Value) bool {
 23265  	v_1 := v.Args[1]
 23266  	v_0 := v.Args[0]
 23267  	b := v.Block
 23268  	typ := &b.Func.Config.Types
 23269  	// match: (Rsh8Ux64 <t> [bounded] x y)
 23270  	// result: (Rsh64Ux64 <t> [bounded] (ZeroExt8to64 x) y)
 23271  	for {
 23272  		t := v.Type
 23273  		bounded := auxIntToBool(v.AuxInt)
 23274  		x := v_0
 23275  		y := v_1
 23276  		v.reset(OpRsh64Ux64)
 23277  		v.Type = t
 23278  		v.AuxInt = boolToAuxInt(bounded)
 23279  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23280  		v0.AddArg(x)
 23281  		v.AddArg2(v0, y)
 23282  		return true
 23283  	}
 23284  }
 23285  func rewriteValueARM64_OpRsh8Ux8(v *Value) bool {
 23286  	v_1 := v.Args[1]
 23287  	v_0 := v.Args[0]
 23288  	b := v.Block
 23289  	typ := &b.Func.Config.Types
 23290  	// match: (Rsh8Ux8 <t> [bounded] x y)
 23291  	// result: (Rsh64Ux8 <t> [bounded] (ZeroExt8to64 x) y)
 23292  	for {
 23293  		t := v.Type
 23294  		bounded := auxIntToBool(v.AuxInt)
 23295  		x := v_0
 23296  		y := v_1
 23297  		v.reset(OpRsh64Ux8)
 23298  		v.Type = t
 23299  		v.AuxInt = boolToAuxInt(bounded)
 23300  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23301  		v0.AddArg(x)
 23302  		v.AddArg2(v0, y)
 23303  		return true
 23304  	}
 23305  }
 23306  func rewriteValueARM64_OpRsh8x16(v *Value) bool {
 23307  	v_1 := v.Args[1]
 23308  	v_0 := v.Args[0]
 23309  	b := v.Block
 23310  	typ := &b.Func.Config.Types
 23311  	// match: (Rsh8x16 <t> [bounded] x y)
 23312  	// result: (Rsh64x16 <t> [bounded] (SignExt8to64 x) y)
 23313  	for {
 23314  		t := v.Type
 23315  		bounded := auxIntToBool(v.AuxInt)
 23316  		x := v_0
 23317  		y := v_1
 23318  		v.reset(OpRsh64x16)
 23319  		v.Type = t
 23320  		v.AuxInt = boolToAuxInt(bounded)
 23321  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23322  		v0.AddArg(x)
 23323  		v.AddArg2(v0, y)
 23324  		return true
 23325  	}
 23326  }
 23327  func rewriteValueARM64_OpRsh8x32(v *Value) bool {
 23328  	v_1 := v.Args[1]
 23329  	v_0 := v.Args[0]
 23330  	b := v.Block
 23331  	typ := &b.Func.Config.Types
 23332  	// match: (Rsh8x32 <t> [bounded] x y)
 23333  	// result: (Rsh64x32 <t> [bounded] (SignExt8to64 x) y)
 23334  	for {
 23335  		t := v.Type
 23336  		bounded := auxIntToBool(v.AuxInt)
 23337  		x := v_0
 23338  		y := v_1
 23339  		v.reset(OpRsh64x32)
 23340  		v.Type = t
 23341  		v.AuxInt = boolToAuxInt(bounded)
 23342  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23343  		v0.AddArg(x)
 23344  		v.AddArg2(v0, y)
 23345  		return true
 23346  	}
 23347  }
 23348  func rewriteValueARM64_OpRsh8x64(v *Value) bool {
 23349  	v_1 := v.Args[1]
 23350  	v_0 := v.Args[0]
 23351  	b := v.Block
 23352  	typ := &b.Func.Config.Types
 23353  	// match: (Rsh8x64 <t> [bounded] x y)
 23354  	// result: (Rsh64x64 <t> [bounded] (SignExt8to64 x) y)
 23355  	for {
 23356  		t := v.Type
 23357  		bounded := auxIntToBool(v.AuxInt)
 23358  		x := v_0
 23359  		y := v_1
 23360  		v.reset(OpRsh64x64)
 23361  		v.Type = t
 23362  		v.AuxInt = boolToAuxInt(bounded)
 23363  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23364  		v0.AddArg(x)
 23365  		v.AddArg2(v0, y)
 23366  		return true
 23367  	}
 23368  }
 23369  func rewriteValueARM64_OpRsh8x8(v *Value) bool {
 23370  	v_1 := v.Args[1]
 23371  	v_0 := v.Args[0]
 23372  	b := v.Block
 23373  	typ := &b.Func.Config.Types
 23374  	// match: (Rsh8x8 <t> [bounded] x y)
 23375  	// result: (Rsh64x8 <t> [bounded] (SignExt8to64 x) y)
 23376  	for {
 23377  		t := v.Type
 23378  		bounded := auxIntToBool(v.AuxInt)
 23379  		x := v_0
 23380  		y := v_1
 23381  		v.reset(OpRsh64x8)
 23382  		v.Type = t
 23383  		v.AuxInt = boolToAuxInt(bounded)
 23384  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23385  		v0.AddArg(x)
 23386  		v.AddArg2(v0, y)
 23387  		return true
 23388  	}
 23389  }
 23390  func rewriteValueARM64_OpScalableVectorLen(v *Value) bool {
 23391  	// match: (ScalableVectorLen)
 23392  	// result: (RDVL [1])
 23393  	for {
 23394  		v.reset(OpARM64RDVL)
 23395  		v.AuxInt = int64ToAuxInt(1)
 23396  		return true
 23397  	}
 23398  }
 23399  func rewriteValueARM64_OpSelect0(v *Value) bool {
 23400  	v_0 := v.Args[0]
 23401  	b := v.Block
 23402  	typ := &b.Func.Config.Types
 23403  	// match: (Select0 (Mul64uhilo x y))
 23404  	// result: (UMULH x y)
 23405  	for {
 23406  		if v_0.Op != OpMul64uhilo {
 23407  			break
 23408  		}
 23409  		y := v_0.Args[1]
 23410  		x := v_0.Args[0]
 23411  		v.reset(OpARM64UMULH)
 23412  		v.AddArg2(x, y)
 23413  		return true
 23414  	}
 23415  	// match: (Select0 (Add64carry x y c))
 23416  	// result: (Select0 <typ.UInt64> (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] c))))
 23417  	for {
 23418  		if v_0.Op != OpAdd64carry {
 23419  			break
 23420  		}
 23421  		c := v_0.Args[2]
 23422  		x := v_0.Args[0]
 23423  		y := v_0.Args[1]
 23424  		v.reset(OpSelect0)
 23425  		v.Type = typ.UInt64
 23426  		v0 := b.NewValue0(v.Pos, OpARM64ADCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23427  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23428  		v2 := b.NewValue0(v.Pos, OpARM64ADDSconstflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23429  		v2.AuxInt = int64ToAuxInt(-1)
 23430  		v2.AddArg(c)
 23431  		v1.AddArg(v2)
 23432  		v0.AddArg3(x, y, v1)
 23433  		v.AddArg(v0)
 23434  		return true
 23435  	}
 23436  	// match: (Select0 (Sub64borrow x y bo))
 23437  	// result: (Select0 <typ.UInt64> (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags bo))))
 23438  	for {
 23439  		if v_0.Op != OpSub64borrow {
 23440  			break
 23441  		}
 23442  		bo := v_0.Args[2]
 23443  		x := v_0.Args[0]
 23444  		y := v_0.Args[1]
 23445  		v.reset(OpSelect0)
 23446  		v.Type = typ.UInt64
 23447  		v0 := b.NewValue0(v.Pos, OpARM64SBCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23448  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23449  		v2 := b.NewValue0(v.Pos, OpARM64NEGSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23450  		v2.AddArg(bo)
 23451  		v1.AddArg(v2)
 23452  		v0.AddArg3(x, y, v1)
 23453  		v.AddArg(v0)
 23454  		return true
 23455  	}
 23456  	// match: (Select0 (Mul64uover x y))
 23457  	// result: (MUL x y)
 23458  	for {
 23459  		if v_0.Op != OpMul64uover {
 23460  			break
 23461  		}
 23462  		y := v_0.Args[1]
 23463  		x := v_0.Args[0]
 23464  		v.reset(OpARM64MUL)
 23465  		v.AddArg2(x, y)
 23466  		return true
 23467  	}
 23468  	return false
 23469  }
 23470  func rewriteValueARM64_OpSelect1(v *Value) bool {
 23471  	v_0 := v.Args[0]
 23472  	b := v.Block
 23473  	typ := &b.Func.Config.Types
 23474  	// match: (Select1 (Mul64uhilo x y))
 23475  	// result: (MUL x y)
 23476  	for {
 23477  		if v_0.Op != OpMul64uhilo {
 23478  			break
 23479  		}
 23480  		y := v_0.Args[1]
 23481  		x := v_0.Args[0]
 23482  		v.reset(OpARM64MUL)
 23483  		v.AddArg2(x, y)
 23484  		return true
 23485  	}
 23486  	// match: (Select1 (Add64carry x y c))
 23487  	// result: (ADCzerocarry <typ.UInt64> (Select1 <types.TypeFlags> (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] c)))))
 23488  	for {
 23489  		if v_0.Op != OpAdd64carry {
 23490  			break
 23491  		}
 23492  		c := v_0.Args[2]
 23493  		x := v_0.Args[0]
 23494  		y := v_0.Args[1]
 23495  		v.reset(OpARM64ADCzerocarry)
 23496  		v.Type = typ.UInt64
 23497  		v0 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23498  		v1 := b.NewValue0(v.Pos, OpARM64ADCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23499  		v2 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23500  		v3 := b.NewValue0(v.Pos, OpARM64ADDSconstflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23501  		v3.AuxInt = int64ToAuxInt(-1)
 23502  		v3.AddArg(c)
 23503  		v2.AddArg(v3)
 23504  		v1.AddArg3(x, y, v2)
 23505  		v0.AddArg(v1)
 23506  		v.AddArg(v0)
 23507  		return true
 23508  	}
 23509  	// match: (Select1 (Sub64borrow x y bo))
 23510  	// result: (NEG <typ.UInt64> (NGCzerocarry <typ.UInt64> (Select1 <types.TypeFlags> (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags bo))))))
 23511  	for {
 23512  		if v_0.Op != OpSub64borrow {
 23513  			break
 23514  		}
 23515  		bo := v_0.Args[2]
 23516  		x := v_0.Args[0]
 23517  		y := v_0.Args[1]
 23518  		v.reset(OpARM64NEG)
 23519  		v.Type = typ.UInt64
 23520  		v0 := b.NewValue0(v.Pos, OpARM64NGCzerocarry, typ.UInt64)
 23521  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23522  		v2 := b.NewValue0(v.Pos, OpARM64SBCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23523  		v3 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23524  		v4 := b.NewValue0(v.Pos, OpARM64NEGSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23525  		v4.AddArg(bo)
 23526  		v3.AddArg(v4)
 23527  		v2.AddArg3(x, y, v3)
 23528  		v1.AddArg(v2)
 23529  		v0.AddArg(v1)
 23530  		v.AddArg(v0)
 23531  		return true
 23532  	}
 23533  	// match: (Select1 (Mul64uover x y))
 23534  	// result: (NotEqual (CMPconst (UMULH <typ.UInt64> x y) [0]))
 23535  	for {
 23536  		if v_0.Op != OpMul64uover {
 23537  			break
 23538  		}
 23539  		y := v_0.Args[1]
 23540  		x := v_0.Args[0]
 23541  		v.reset(OpARM64NotEqual)
 23542  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23543  		v0.AuxInt = int64ToAuxInt(0)
 23544  		v1 := b.NewValue0(v.Pos, OpARM64UMULH, typ.UInt64)
 23545  		v1.AddArg2(x, y)
 23546  		v0.AddArg(v1)
 23547  		v.AddArg(v0)
 23548  		return true
 23549  	}
 23550  	return false
 23551  }
 23552  func rewriteValueARM64_OpSelectN(v *Value) bool {
 23553  	v_0 := v.Args[0]
 23554  	b := v.Block
 23555  	config := b.Func.Config
 23556  	// match: (SelectN [0] call:(CALLstatic {sym} s1:(MOVDstore _ (MOVDconst [sz]) s2:(MOVDstore _ src s3:(MOVDstore {t} _ dst mem)))))
 23557  	// cond: sz >= 0 && isSameCall(sym, "runtime.memmove") && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(s1, s2, s3, call)
 23558  	// result: (Move [sz] dst src mem)
 23559  	for {
 23560  		if auxIntToInt64(v.AuxInt) != 0 {
 23561  			break
 23562  		}
 23563  		call := v_0
 23564  		if call.Op != OpARM64CALLstatic || len(call.Args) != 1 {
 23565  			break
 23566  		}
 23567  		sym := auxToCall(call.Aux)
 23568  		s1 := call.Args[0]
 23569  		if s1.Op != OpARM64MOVDstore {
 23570  			break
 23571  		}
 23572  		_ = s1.Args[2]
 23573  		s1_1 := s1.Args[1]
 23574  		if s1_1.Op != OpARM64MOVDconst {
 23575  			break
 23576  		}
 23577  		sz := auxIntToInt64(s1_1.AuxInt)
 23578  		s2 := s1.Args[2]
 23579  		if s2.Op != OpARM64MOVDstore {
 23580  			break
 23581  		}
 23582  		_ = s2.Args[2]
 23583  		src := s2.Args[1]
 23584  		s3 := s2.Args[2]
 23585  		if s3.Op != OpARM64MOVDstore {
 23586  			break
 23587  		}
 23588  		mem := s3.Args[2]
 23589  		dst := s3.Args[1]
 23590  		if !(sz >= 0 && isSameCall(sym, "runtime.memmove") && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(s1, s2, s3, call)) {
 23591  			break
 23592  		}
 23593  		v.reset(OpMove)
 23594  		v.AuxInt = int64ToAuxInt(sz)
 23595  		v.AddArg3(dst, src, mem)
 23596  		return true
 23597  	}
 23598  	// match: (SelectN [0] call:(CALLstatic {sym} dst src (MOVDconst [sz]) mem))
 23599  	// cond: sz >= 0 && isSameCall(sym, "runtime.memmove") && call.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(call)
 23600  	// result: (Move [sz] dst src mem)
 23601  	for {
 23602  		if auxIntToInt64(v.AuxInt) != 0 {
 23603  			break
 23604  		}
 23605  		call := v_0
 23606  		if call.Op != OpARM64CALLstatic || len(call.Args) != 4 {
 23607  			break
 23608  		}
 23609  		sym := auxToCall(call.Aux)
 23610  		mem := call.Args[3]
 23611  		dst := call.Args[0]
 23612  		src := call.Args[1]
 23613  		call_2 := call.Args[2]
 23614  		if call_2.Op != OpARM64MOVDconst {
 23615  			break
 23616  		}
 23617  		sz := auxIntToInt64(call_2.AuxInt)
 23618  		if !(sz >= 0 && isSameCall(sym, "runtime.memmove") && call.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(call)) {
 23619  			break
 23620  		}
 23621  		v.reset(OpMove)
 23622  		v.AuxInt = int64ToAuxInt(sz)
 23623  		v.AddArg3(dst, src, mem)
 23624  		return true
 23625  	}
 23626  	return false
 23627  }
 23628  func rewriteValueARM64_OpShiftAllLeftInt16x8(v *Value) bool {
 23629  	v_1 := v.Args[1]
 23630  	v_0 := v.Args[0]
 23631  	b := v.Block
 23632  	typ := &b.Func.Config.Types
 23633  	// match: (ShiftAllLeftInt16x8 x y)
 23634  	// result: (VSSHL8H x (VDUPHbcast [0] (VMOVHins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23635  	for {
 23636  		x := v_0
 23637  		y := v_1
 23638  		v.reset(OpARM64VSSHL8H)
 23639  		v0 := b.NewValue0(v.Pos, OpARM64VDUPHbcast, typ.Vec128)
 23640  		v0.AuxInt = uint8ToAuxInt(0)
 23641  		v1 := b.NewValue0(v.Pos, OpARM64VMOVHins, typ.Vec128)
 23642  		v1.AuxInt = uint8ToAuxInt(0)
 23643  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23644  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23645  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23646  		v3.AuxInt = int64ToAuxInt(127)
 23647  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23648  		v4.AuxInt = int64ToAuxInt(127)
 23649  		v4.AddArg(y)
 23650  		v2.AddArg3(y, v3, v4)
 23651  		v1.AddArg2(x, v2)
 23652  		v0.AddArg(v1)
 23653  		v.AddArg2(x, v0)
 23654  		return true
 23655  	}
 23656  }
 23657  func rewriteValueARM64_OpShiftAllLeftInt32x4(v *Value) bool {
 23658  	v_1 := v.Args[1]
 23659  	v_0 := v.Args[0]
 23660  	b := v.Block
 23661  	typ := &b.Func.Config.Types
 23662  	// match: (ShiftAllLeftInt32x4 x y)
 23663  	// result: (VSSHL4S x (VDUPSbcast [0] (VMOVSins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23664  	for {
 23665  		x := v_0
 23666  		y := v_1
 23667  		v.reset(OpARM64VSSHL4S)
 23668  		v0 := b.NewValue0(v.Pos, OpARM64VDUPSbcast, typ.Vec128)
 23669  		v0.AuxInt = uint8ToAuxInt(0)
 23670  		v1 := b.NewValue0(v.Pos, OpARM64VMOVSins, typ.Vec128)
 23671  		v1.AuxInt = uint8ToAuxInt(0)
 23672  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23673  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23674  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23675  		v3.AuxInt = int64ToAuxInt(127)
 23676  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23677  		v4.AuxInt = int64ToAuxInt(127)
 23678  		v4.AddArg(y)
 23679  		v2.AddArg3(y, v3, v4)
 23680  		v1.AddArg2(x, v2)
 23681  		v0.AddArg(v1)
 23682  		v.AddArg2(x, v0)
 23683  		return true
 23684  	}
 23685  }
 23686  func rewriteValueARM64_OpShiftAllLeftInt64x2(v *Value) bool {
 23687  	v_1 := v.Args[1]
 23688  	v_0 := v.Args[0]
 23689  	b := v.Block
 23690  	typ := &b.Func.Config.Types
 23691  	// match: (ShiftAllLeftInt64x2 x y)
 23692  	// result: (VSSHL2D x (VDUPDbcast [0] (VMOVDins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23693  	for {
 23694  		x := v_0
 23695  		y := v_1
 23696  		v.reset(OpARM64VSSHL2D)
 23697  		v0 := b.NewValue0(v.Pos, OpARM64VDUPDbcast, typ.Vec128)
 23698  		v0.AuxInt = uint8ToAuxInt(0)
 23699  		v1 := b.NewValue0(v.Pos, OpARM64VMOVDins, typ.Vec128)
 23700  		v1.AuxInt = uint8ToAuxInt(0)
 23701  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23702  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23703  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23704  		v3.AuxInt = int64ToAuxInt(127)
 23705  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23706  		v4.AuxInt = int64ToAuxInt(127)
 23707  		v4.AddArg(y)
 23708  		v2.AddArg3(y, v3, v4)
 23709  		v1.AddArg2(x, v2)
 23710  		v0.AddArg(v1)
 23711  		v.AddArg2(x, v0)
 23712  		return true
 23713  	}
 23714  }
 23715  func rewriteValueARM64_OpShiftAllLeftInt8x16(v *Value) bool {
 23716  	v_1 := v.Args[1]
 23717  	v_0 := v.Args[0]
 23718  	b := v.Block
 23719  	typ := &b.Func.Config.Types
 23720  	// match: (ShiftAllLeftInt8x16 x y)
 23721  	// result: (VSSHL16B x (VDUPBbcast [0] (VMOVBins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23722  	for {
 23723  		x := v_0
 23724  		y := v_1
 23725  		v.reset(OpARM64VSSHL16B)
 23726  		v0 := b.NewValue0(v.Pos, OpARM64VDUPBbcast, typ.Vec128)
 23727  		v0.AuxInt = uint8ToAuxInt(0)
 23728  		v1 := b.NewValue0(v.Pos, OpARM64VMOVBins, typ.Vec128)
 23729  		v1.AuxInt = uint8ToAuxInt(0)
 23730  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23731  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23732  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23733  		v3.AuxInt = int64ToAuxInt(127)
 23734  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23735  		v4.AuxInt = int64ToAuxInt(127)
 23736  		v4.AddArg(y)
 23737  		v2.AddArg3(y, v3, v4)
 23738  		v1.AddArg2(x, v2)
 23739  		v0.AddArg(v1)
 23740  		v.AddArg2(x, v0)
 23741  		return true
 23742  	}
 23743  }
 23744  func rewriteValueARM64_OpShiftAllLeftUint16x8(v *Value) bool {
 23745  	v_1 := v.Args[1]
 23746  	v_0 := v.Args[0]
 23747  	b := v.Block
 23748  	typ := &b.Func.Config.Types
 23749  	// match: (ShiftAllLeftUint16x8 x y)
 23750  	// result: (VUSHL8H x (VDUPHbcast [0] (VMOVHins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23751  	for {
 23752  		x := v_0
 23753  		y := v_1
 23754  		v.reset(OpARM64VUSHL8H)
 23755  		v0 := b.NewValue0(v.Pos, OpARM64VDUPHbcast, typ.Vec128)
 23756  		v0.AuxInt = uint8ToAuxInt(0)
 23757  		v1 := b.NewValue0(v.Pos, OpARM64VMOVHins, typ.Vec128)
 23758  		v1.AuxInt = uint8ToAuxInt(0)
 23759  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23760  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23761  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23762  		v3.AuxInt = int64ToAuxInt(127)
 23763  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23764  		v4.AuxInt = int64ToAuxInt(127)
 23765  		v4.AddArg(y)
 23766  		v2.AddArg3(y, v3, v4)
 23767  		v1.AddArg2(x, v2)
 23768  		v0.AddArg(v1)
 23769  		v.AddArg2(x, v0)
 23770  		return true
 23771  	}
 23772  }
 23773  func rewriteValueARM64_OpShiftAllLeftUint32x4(v *Value) bool {
 23774  	v_1 := v.Args[1]
 23775  	v_0 := v.Args[0]
 23776  	b := v.Block
 23777  	typ := &b.Func.Config.Types
 23778  	// match: (ShiftAllLeftUint32x4 x y)
 23779  	// result: (VUSHL4S x (VDUPSbcast [0] (VMOVSins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23780  	for {
 23781  		x := v_0
 23782  		y := v_1
 23783  		v.reset(OpARM64VUSHL4S)
 23784  		v0 := b.NewValue0(v.Pos, OpARM64VDUPSbcast, typ.Vec128)
 23785  		v0.AuxInt = uint8ToAuxInt(0)
 23786  		v1 := b.NewValue0(v.Pos, OpARM64VMOVSins, typ.Vec128)
 23787  		v1.AuxInt = uint8ToAuxInt(0)
 23788  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23789  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23790  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23791  		v3.AuxInt = int64ToAuxInt(127)
 23792  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23793  		v4.AuxInt = int64ToAuxInt(127)
 23794  		v4.AddArg(y)
 23795  		v2.AddArg3(y, v3, v4)
 23796  		v1.AddArg2(x, v2)
 23797  		v0.AddArg(v1)
 23798  		v.AddArg2(x, v0)
 23799  		return true
 23800  	}
 23801  }
 23802  func rewriteValueARM64_OpShiftAllLeftUint64x2(v *Value) bool {
 23803  	v_1 := v.Args[1]
 23804  	v_0 := v.Args[0]
 23805  	b := v.Block
 23806  	typ := &b.Func.Config.Types
 23807  	// match: (ShiftAllLeftUint64x2 x y)
 23808  	// result: (VUSHL2D x (VDUPDbcast [0] (VMOVDins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23809  	for {
 23810  		x := v_0
 23811  		y := v_1
 23812  		v.reset(OpARM64VUSHL2D)
 23813  		v0 := b.NewValue0(v.Pos, OpARM64VDUPDbcast, typ.Vec128)
 23814  		v0.AuxInt = uint8ToAuxInt(0)
 23815  		v1 := b.NewValue0(v.Pos, OpARM64VMOVDins, typ.Vec128)
 23816  		v1.AuxInt = uint8ToAuxInt(0)
 23817  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23818  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23819  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23820  		v3.AuxInt = int64ToAuxInt(127)
 23821  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23822  		v4.AuxInt = int64ToAuxInt(127)
 23823  		v4.AddArg(y)
 23824  		v2.AddArg3(y, v3, v4)
 23825  		v1.AddArg2(x, v2)
 23826  		v0.AddArg(v1)
 23827  		v.AddArg2(x, v0)
 23828  		return true
 23829  	}
 23830  }
 23831  func rewriteValueARM64_OpShiftAllLeftUint8x16(v *Value) bool {
 23832  	v_1 := v.Args[1]
 23833  	v_0 := v.Args[0]
 23834  	b := v.Block
 23835  	typ := &b.Func.Config.Types
 23836  	// match: (ShiftAllLeftUint8x16 x y)
 23837  	// result: (VUSHL16B x (VDUPBbcast [0] (VMOVBins [0] x (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y)))))
 23838  	for {
 23839  		x := v_0
 23840  		y := v_1
 23841  		v.reset(OpARM64VUSHL16B)
 23842  		v0 := b.NewValue0(v.Pos, OpARM64VDUPBbcast, typ.Vec128)
 23843  		v0.AuxInt = uint8ToAuxInt(0)
 23844  		v1 := b.NewValue0(v.Pos, OpARM64VMOVBins, typ.Vec128)
 23845  		v1.AuxInt = uint8ToAuxInt(0)
 23846  		v2 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23847  		v2.AuxInt = opToAuxInt(OpARM64LessThanU)
 23848  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23849  		v3.AuxInt = int64ToAuxInt(127)
 23850  		v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23851  		v4.AuxInt = int64ToAuxInt(127)
 23852  		v4.AddArg(y)
 23853  		v2.AddArg3(y, v3, v4)
 23854  		v1.AddArg2(x, v2)
 23855  		v0.AddArg(v1)
 23856  		v.AddArg2(x, v0)
 23857  		return true
 23858  	}
 23859  }
 23860  func rewriteValueARM64_OpShiftAllRightInt16x8(v *Value) bool {
 23861  	v_1 := v.Args[1]
 23862  	v_0 := v.Args[0]
 23863  	b := v.Block
 23864  	typ := &b.Func.Config.Types
 23865  	// match: (ShiftAllRightInt16x8 x y)
 23866  	// result: (VSSHL8H x (VDUPHbcast [0] (VMOVHins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23867  	for {
 23868  		x := v_0
 23869  		y := v_1
 23870  		v.reset(OpARM64VSSHL8H)
 23871  		v0 := b.NewValue0(v.Pos, OpARM64VDUPHbcast, typ.Vec128)
 23872  		v0.AuxInt = uint8ToAuxInt(0)
 23873  		v1 := b.NewValue0(v.Pos, OpARM64VMOVHins, typ.Vec128)
 23874  		v1.AuxInt = uint8ToAuxInt(0)
 23875  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 23876  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23877  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 23878  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23879  		v4.AuxInt = int64ToAuxInt(127)
 23880  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23881  		v5.AuxInt = int64ToAuxInt(127)
 23882  		v5.AddArg(y)
 23883  		v3.AddArg3(y, v4, v5)
 23884  		v2.AddArg(v3)
 23885  		v1.AddArg2(x, v2)
 23886  		v0.AddArg(v1)
 23887  		v.AddArg2(x, v0)
 23888  		return true
 23889  	}
 23890  }
 23891  func rewriteValueARM64_OpShiftAllRightInt32x4(v *Value) bool {
 23892  	v_1 := v.Args[1]
 23893  	v_0 := v.Args[0]
 23894  	b := v.Block
 23895  	typ := &b.Func.Config.Types
 23896  	// match: (ShiftAllRightInt32x4 x y)
 23897  	// result: (VSSHL4S x (VDUPSbcast [0] (VMOVSins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23898  	for {
 23899  		x := v_0
 23900  		y := v_1
 23901  		v.reset(OpARM64VSSHL4S)
 23902  		v0 := b.NewValue0(v.Pos, OpARM64VDUPSbcast, typ.Vec128)
 23903  		v0.AuxInt = uint8ToAuxInt(0)
 23904  		v1 := b.NewValue0(v.Pos, OpARM64VMOVSins, typ.Vec128)
 23905  		v1.AuxInt = uint8ToAuxInt(0)
 23906  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 23907  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23908  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 23909  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23910  		v4.AuxInt = int64ToAuxInt(127)
 23911  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23912  		v5.AuxInt = int64ToAuxInt(127)
 23913  		v5.AddArg(y)
 23914  		v3.AddArg3(y, v4, v5)
 23915  		v2.AddArg(v3)
 23916  		v1.AddArg2(x, v2)
 23917  		v0.AddArg(v1)
 23918  		v.AddArg2(x, v0)
 23919  		return true
 23920  	}
 23921  }
 23922  func rewriteValueARM64_OpShiftAllRightInt64x2(v *Value) bool {
 23923  	v_1 := v.Args[1]
 23924  	v_0 := v.Args[0]
 23925  	b := v.Block
 23926  	typ := &b.Func.Config.Types
 23927  	// match: (ShiftAllRightInt64x2 x y)
 23928  	// result: (VSSHL2D x (VDUPDbcast [0] (VMOVDins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23929  	for {
 23930  		x := v_0
 23931  		y := v_1
 23932  		v.reset(OpARM64VSSHL2D)
 23933  		v0 := b.NewValue0(v.Pos, OpARM64VDUPDbcast, typ.Vec128)
 23934  		v0.AuxInt = uint8ToAuxInt(0)
 23935  		v1 := b.NewValue0(v.Pos, OpARM64VMOVDins, typ.Vec128)
 23936  		v1.AuxInt = uint8ToAuxInt(0)
 23937  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 23938  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23939  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 23940  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23941  		v4.AuxInt = int64ToAuxInt(127)
 23942  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23943  		v5.AuxInt = int64ToAuxInt(127)
 23944  		v5.AddArg(y)
 23945  		v3.AddArg3(y, v4, v5)
 23946  		v2.AddArg(v3)
 23947  		v1.AddArg2(x, v2)
 23948  		v0.AddArg(v1)
 23949  		v.AddArg2(x, v0)
 23950  		return true
 23951  	}
 23952  }
 23953  func rewriteValueARM64_OpShiftAllRightInt8x16(v *Value) bool {
 23954  	v_1 := v.Args[1]
 23955  	v_0 := v.Args[0]
 23956  	b := v.Block
 23957  	typ := &b.Func.Config.Types
 23958  	// match: (ShiftAllRightInt8x16 x y)
 23959  	// result: (VSSHL16B x (VDUPBbcast [0] (VMOVBins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23960  	for {
 23961  		x := v_0
 23962  		y := v_1
 23963  		v.reset(OpARM64VSSHL16B)
 23964  		v0 := b.NewValue0(v.Pos, OpARM64VDUPBbcast, typ.Vec128)
 23965  		v0.AuxInt = uint8ToAuxInt(0)
 23966  		v1 := b.NewValue0(v.Pos, OpARM64VMOVBins, typ.Vec128)
 23967  		v1.AuxInt = uint8ToAuxInt(0)
 23968  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 23969  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 23970  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 23971  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23972  		v4.AuxInt = int64ToAuxInt(127)
 23973  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23974  		v5.AuxInt = int64ToAuxInt(127)
 23975  		v5.AddArg(y)
 23976  		v3.AddArg3(y, v4, v5)
 23977  		v2.AddArg(v3)
 23978  		v1.AddArg2(x, v2)
 23979  		v0.AddArg(v1)
 23980  		v.AddArg2(x, v0)
 23981  		return true
 23982  	}
 23983  }
 23984  func rewriteValueARM64_OpShiftAllRightUint16x8(v *Value) bool {
 23985  	v_1 := v.Args[1]
 23986  	v_0 := v.Args[0]
 23987  	b := v.Block
 23988  	typ := &b.Func.Config.Types
 23989  	// match: (ShiftAllRightUint16x8 x y)
 23990  	// result: (VUSHL8H x (VDUPHbcast [0] (VMOVHins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 23991  	for {
 23992  		x := v_0
 23993  		y := v_1
 23994  		v.reset(OpARM64VUSHL8H)
 23995  		v0 := b.NewValue0(v.Pos, OpARM64VDUPHbcast, typ.Vec128)
 23996  		v0.AuxInt = uint8ToAuxInt(0)
 23997  		v1 := b.NewValue0(v.Pos, OpARM64VMOVHins, typ.Vec128)
 23998  		v1.AuxInt = uint8ToAuxInt(0)
 23999  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 24000  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 24001  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 24002  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24003  		v4.AuxInt = int64ToAuxInt(127)
 24004  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 24005  		v5.AuxInt = int64ToAuxInt(127)
 24006  		v5.AddArg(y)
 24007  		v3.AddArg3(y, v4, v5)
 24008  		v2.AddArg(v3)
 24009  		v1.AddArg2(x, v2)
 24010  		v0.AddArg(v1)
 24011  		v.AddArg2(x, v0)
 24012  		return true
 24013  	}
 24014  }
 24015  func rewriteValueARM64_OpShiftAllRightUint32x4(v *Value) bool {
 24016  	v_1 := v.Args[1]
 24017  	v_0 := v.Args[0]
 24018  	b := v.Block
 24019  	typ := &b.Func.Config.Types
 24020  	// match: (ShiftAllRightUint32x4 x y)
 24021  	// result: (VUSHL4S x (VDUPSbcast [0] (VMOVSins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 24022  	for {
 24023  		x := v_0
 24024  		y := v_1
 24025  		v.reset(OpARM64VUSHL4S)
 24026  		v0 := b.NewValue0(v.Pos, OpARM64VDUPSbcast, typ.Vec128)
 24027  		v0.AuxInt = uint8ToAuxInt(0)
 24028  		v1 := b.NewValue0(v.Pos, OpARM64VMOVSins, typ.Vec128)
 24029  		v1.AuxInt = uint8ToAuxInt(0)
 24030  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 24031  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 24032  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 24033  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24034  		v4.AuxInt = int64ToAuxInt(127)
 24035  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 24036  		v5.AuxInt = int64ToAuxInt(127)
 24037  		v5.AddArg(y)
 24038  		v3.AddArg3(y, v4, v5)
 24039  		v2.AddArg(v3)
 24040  		v1.AddArg2(x, v2)
 24041  		v0.AddArg(v1)
 24042  		v.AddArg2(x, v0)
 24043  		return true
 24044  	}
 24045  }
 24046  func rewriteValueARM64_OpShiftAllRightUint64x2(v *Value) bool {
 24047  	v_1 := v.Args[1]
 24048  	v_0 := v.Args[0]
 24049  	b := v.Block
 24050  	typ := &b.Func.Config.Types
 24051  	// match: (ShiftAllRightUint64x2 x y)
 24052  	// result: (VUSHL2D x (VDUPDbcast [0] (VMOVDins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 24053  	for {
 24054  		x := v_0
 24055  		y := v_1
 24056  		v.reset(OpARM64VUSHL2D)
 24057  		v0 := b.NewValue0(v.Pos, OpARM64VDUPDbcast, typ.Vec128)
 24058  		v0.AuxInt = uint8ToAuxInt(0)
 24059  		v1 := b.NewValue0(v.Pos, OpARM64VMOVDins, typ.Vec128)
 24060  		v1.AuxInt = uint8ToAuxInt(0)
 24061  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 24062  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 24063  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 24064  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24065  		v4.AuxInt = int64ToAuxInt(127)
 24066  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 24067  		v5.AuxInt = int64ToAuxInt(127)
 24068  		v5.AddArg(y)
 24069  		v3.AddArg3(y, v4, v5)
 24070  		v2.AddArg(v3)
 24071  		v1.AddArg2(x, v2)
 24072  		v0.AddArg(v1)
 24073  		v.AddArg2(x, v0)
 24074  		return true
 24075  	}
 24076  }
 24077  func rewriteValueARM64_OpShiftAllRightUint8x16(v *Value) bool {
 24078  	v_1 := v.Args[1]
 24079  	v_0 := v.Args[0]
 24080  	b := v.Block
 24081  	typ := &b.Func.Config.Types
 24082  	// match: (ShiftAllRightUint8x16 x y)
 24083  	// result: (VUSHL16B x (VDUPBbcast [0] (VMOVBins [0] x (NEG <typ.Int64> (CSEL <typ.UInt64> [OpARM64LessThanU] y (MOVDconst [127]) (CMPconst [127] y))))))
 24084  	for {
 24085  		x := v_0
 24086  		y := v_1
 24087  		v.reset(OpARM64VUSHL16B)
 24088  		v0 := b.NewValue0(v.Pos, OpARM64VDUPBbcast, typ.Vec128)
 24089  		v0.AuxInt = uint8ToAuxInt(0)
 24090  		v1 := b.NewValue0(v.Pos, OpARM64VMOVBins, typ.Vec128)
 24091  		v1.AuxInt = uint8ToAuxInt(0)
 24092  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 24093  		v3 := b.NewValue0(v.Pos, OpARM64CSEL, typ.UInt64)
 24094  		v3.AuxInt = opToAuxInt(OpARM64LessThanU)
 24095  		v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24096  		v4.AuxInt = int64ToAuxInt(127)
 24097  		v5 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 24098  		v5.AuxInt = int64ToAuxInt(127)
 24099  		v5.AddArg(y)
 24100  		v3.AddArg3(y, v4, v5)
 24101  		v2.AddArg(v3)
 24102  		v1.AddArg2(x, v2)
 24103  		v0.AddArg(v1)
 24104  		v.AddArg2(x, v0)
 24105  		return true
 24106  	}
 24107  }
 24108  func rewriteValueARM64_OpSlicemask(v *Value) bool {
 24109  	v_0 := v.Args[0]
 24110  	b := v.Block
 24111  	// match: (Slicemask <t> x)
 24112  	// result: (SRAconst (NEG <t> x) [63])
 24113  	for {
 24114  		t := v.Type
 24115  		x := v_0
 24116  		v.reset(OpARM64SRAconst)
 24117  		v.AuxInt = int64ToAuxInt(63)
 24118  		v0 := b.NewValue0(v.Pos, OpARM64NEG, t)
 24119  		v0.AddArg(x)
 24120  		v.AddArg(v0)
 24121  		return true
 24122  	}
 24123  }
 24124  func rewriteValueARM64_OpStore(v *Value) bool {
 24125  	v_2 := v.Args[2]
 24126  	v_1 := v.Args[1]
 24127  	v_0 := v.Args[0]
 24128  	// match: (Store {t} ptr val mem)
 24129  	// cond: t.Size() == 1
 24130  	// result: (MOVBstore ptr val mem)
 24131  	for {
 24132  		t := auxToType(v.Aux)
 24133  		ptr := v_0
 24134  		val := v_1
 24135  		mem := v_2
 24136  		if !(t.Size() == 1) {
 24137  			break
 24138  		}
 24139  		v.reset(OpARM64MOVBstore)
 24140  		v.AddArg3(ptr, val, mem)
 24141  		return true
 24142  	}
 24143  	// match: (Store {t} ptr val mem)
 24144  	// cond: t.Size() == 2
 24145  	// result: (MOVHstore ptr val mem)
 24146  	for {
 24147  		t := auxToType(v.Aux)
 24148  		ptr := v_0
 24149  		val := v_1
 24150  		mem := v_2
 24151  		if !(t.Size() == 2) {
 24152  			break
 24153  		}
 24154  		v.reset(OpARM64MOVHstore)
 24155  		v.AddArg3(ptr, val, mem)
 24156  		return true
 24157  	}
 24158  	// match: (Store {t} ptr val mem)
 24159  	// cond: t.Size() == 4 && !t.IsFloat()
 24160  	// result: (MOVWstore ptr val mem)
 24161  	for {
 24162  		t := auxToType(v.Aux)
 24163  		ptr := v_0
 24164  		val := v_1
 24165  		mem := v_2
 24166  		if !(t.Size() == 4 && !t.IsFloat()) {
 24167  			break
 24168  		}
 24169  		v.reset(OpARM64MOVWstore)
 24170  		v.AddArg3(ptr, val, mem)
 24171  		return true
 24172  	}
 24173  	// match: (Store {t} ptr val mem)
 24174  	// cond: t.Size() == 8 && !t.IsFloat() && !t.IsSIMD()
 24175  	// result: (MOVDstore ptr val mem)
 24176  	for {
 24177  		t := auxToType(v.Aux)
 24178  		ptr := v_0
 24179  		val := v_1
 24180  		mem := v_2
 24181  		if !(t.Size() == 8 && !t.IsFloat() && !t.IsSIMD()) {
 24182  			break
 24183  		}
 24184  		v.reset(OpARM64MOVDstore)
 24185  		v.AddArg3(ptr, val, mem)
 24186  		return true
 24187  	}
 24188  	// match: (Store {t} ptr val mem)
 24189  	// cond: t.Size() == 4 && t.IsFloat()
 24190  	// result: (FMOVSstore ptr val mem)
 24191  	for {
 24192  		t := auxToType(v.Aux)
 24193  		ptr := v_0
 24194  		val := v_1
 24195  		mem := v_2
 24196  		if !(t.Size() == 4 && t.IsFloat()) {
 24197  			break
 24198  		}
 24199  		v.reset(OpARM64FMOVSstore)
 24200  		v.AddArg3(ptr, val, mem)
 24201  		return true
 24202  	}
 24203  	// match: (Store {t} ptr val mem)
 24204  	// cond: t.Size() == 8 && t.IsFloat()
 24205  	// result: (FMOVDstore ptr val mem)
 24206  	for {
 24207  		t := auxToType(v.Aux)
 24208  		ptr := v_0
 24209  		val := v_1
 24210  		mem := v_2
 24211  		if !(t.Size() == 8 && t.IsFloat()) {
 24212  			break
 24213  		}
 24214  		v.reset(OpARM64FMOVDstore)
 24215  		v.AddArg3(ptr, val, mem)
 24216  		return true
 24217  	}
 24218  	// match: (Store {t} ptr val mem)
 24219  	// cond: t.Size() == 16
 24220  	// result: (FMOVQstore ptr val mem)
 24221  	for {
 24222  		t := auxToType(v.Aux)
 24223  		ptr := v_0
 24224  		val := v_1
 24225  		mem := v_2
 24226  		if !(t.Size() == 16) {
 24227  			break
 24228  		}
 24229  		v.reset(OpARM64FMOVQstore)
 24230  		v.AddArg3(ptr, val, mem)
 24231  		return true
 24232  	}
 24233  	// match: (Store {t} ptr val mem)
 24234  	// cond: t.Size() == 32 && t.IsSIMD()
 24235  	// result: (ZSTRstore ptr val mem)
 24236  	for {
 24237  		t := auxToType(v.Aux)
 24238  		ptr := v_0
 24239  		val := v_1
 24240  		mem := v_2
 24241  		if !(t.Size() == 32 && t.IsSIMD()) {
 24242  			break
 24243  		}
 24244  		v.reset(OpARM64ZSTRstore)
 24245  		v.AddArg3(ptr, val, mem)
 24246  		return true
 24247  	}
 24248  	// match: (Store {t} ptr val mem)
 24249  	// cond: t.Size() == 8 && t.IsSIMD()
 24250  	// result: (PSTRstore ptr val mem)
 24251  	for {
 24252  		t := auxToType(v.Aux)
 24253  		ptr := v_0
 24254  		val := v_1
 24255  		mem := v_2
 24256  		if !(t.Size() == 8 && t.IsSIMD()) {
 24257  			break
 24258  		}
 24259  		v.reset(OpARM64PSTRstore)
 24260  		v.AddArg3(ptr, val, mem)
 24261  		return true
 24262  	}
 24263  	return false
 24264  }
 24265  func rewriteValueARM64_OpStoreMasked8(v *Value) bool {
 24266  	v_3 := v.Args[3]
 24267  	v_2 := v.Args[2]
 24268  	v_1 := v.Args[1]
 24269  	v_0 := v.Args[0]
 24270  	// match: (StoreMasked8 {t} ptr mask val mem)
 24271  	// cond: t.Size() == 32
 24272  	// result: (ZST1BPredstore ptr val mask mem)
 24273  	for {
 24274  		t := auxToType(v.Aux)
 24275  		ptr := v_0
 24276  		mask := v_1
 24277  		val := v_2
 24278  		mem := v_3
 24279  		if !(t.Size() == 32) {
 24280  			break
 24281  		}
 24282  		v.reset(OpARM64ZST1BPredstore)
 24283  		v.AddArg4(ptr, val, mask, mem)
 24284  		return true
 24285  	}
 24286  	return false
 24287  }
 24288  func rewriteValueARM64_OpZero(v *Value) bool {
 24289  	v_1 := v.Args[1]
 24290  	v_0 := v.Args[0]
 24291  	b := v.Block
 24292  	typ := &b.Func.Config.Types
 24293  	// match: (Zero [0] _ mem)
 24294  	// result: mem
 24295  	for {
 24296  		if auxIntToInt64(v.AuxInt) != 0 {
 24297  			break
 24298  		}
 24299  		mem := v_1
 24300  		v.copyOf(mem)
 24301  		return true
 24302  	}
 24303  	// match: (Zero [1] ptr mem)
 24304  	// result: (MOVBstore ptr (MOVDconst [0]) mem)
 24305  	for {
 24306  		if auxIntToInt64(v.AuxInt) != 1 {
 24307  			break
 24308  		}
 24309  		ptr := v_0
 24310  		mem := v_1
 24311  		v.reset(OpARM64MOVBstore)
 24312  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24313  		v0.AuxInt = int64ToAuxInt(0)
 24314  		v.AddArg3(ptr, v0, mem)
 24315  		return true
 24316  	}
 24317  	// match: (Zero [2] ptr mem)
 24318  	// result: (MOVHstore ptr (MOVDconst [0]) mem)
 24319  	for {
 24320  		if auxIntToInt64(v.AuxInt) != 2 {
 24321  			break
 24322  		}
 24323  		ptr := v_0
 24324  		mem := v_1
 24325  		v.reset(OpARM64MOVHstore)
 24326  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24327  		v0.AuxInt = int64ToAuxInt(0)
 24328  		v.AddArg3(ptr, v0, mem)
 24329  		return true
 24330  	}
 24331  	// match: (Zero [4] ptr mem)
 24332  	// result: (MOVWstore ptr (MOVDconst [0]) mem)
 24333  	for {
 24334  		if auxIntToInt64(v.AuxInt) != 4 {
 24335  			break
 24336  		}
 24337  		ptr := v_0
 24338  		mem := v_1
 24339  		v.reset(OpARM64MOVWstore)
 24340  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24341  		v0.AuxInt = int64ToAuxInt(0)
 24342  		v.AddArg3(ptr, v0, mem)
 24343  		return true
 24344  	}
 24345  	// match: (Zero [3] ptr mem)
 24346  	// result: (MOVBstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem))
 24347  	for {
 24348  		if auxIntToInt64(v.AuxInt) != 3 {
 24349  			break
 24350  		}
 24351  		ptr := v_0
 24352  		mem := v_1
 24353  		v.reset(OpARM64MOVBstore)
 24354  		v.AuxInt = int32ToAuxInt(2)
 24355  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24356  		v0.AuxInt = int64ToAuxInt(0)
 24357  		v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem)
 24358  		v1.AddArg3(ptr, v0, mem)
 24359  		v.AddArg3(ptr, v0, v1)
 24360  		return true
 24361  	}
 24362  	// match: (Zero [5] ptr mem)
 24363  	// result: (MOVBstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 24364  	for {
 24365  		if auxIntToInt64(v.AuxInt) != 5 {
 24366  			break
 24367  		}
 24368  		ptr := v_0
 24369  		mem := v_1
 24370  		v.reset(OpARM64MOVBstore)
 24371  		v.AuxInt = int32ToAuxInt(4)
 24372  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24373  		v0.AuxInt = int64ToAuxInt(0)
 24374  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 24375  		v1.AddArg3(ptr, v0, mem)
 24376  		v.AddArg3(ptr, v0, v1)
 24377  		return true
 24378  	}
 24379  	// match: (Zero [6] ptr mem)
 24380  	// result: (MOVHstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 24381  	for {
 24382  		if auxIntToInt64(v.AuxInt) != 6 {
 24383  			break
 24384  		}
 24385  		ptr := v_0
 24386  		mem := v_1
 24387  		v.reset(OpARM64MOVHstore)
 24388  		v.AuxInt = int32ToAuxInt(4)
 24389  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24390  		v0.AuxInt = int64ToAuxInt(0)
 24391  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 24392  		v1.AddArg3(ptr, v0, mem)
 24393  		v.AddArg3(ptr, v0, v1)
 24394  		return true
 24395  	}
 24396  	// match: (Zero [7] ptr mem)
 24397  	// result: (MOVWstore [3] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 24398  	for {
 24399  		if auxIntToInt64(v.AuxInt) != 7 {
 24400  			break
 24401  		}
 24402  		ptr := v_0
 24403  		mem := v_1
 24404  		v.reset(OpARM64MOVWstore)
 24405  		v.AuxInt = int32ToAuxInt(3)
 24406  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24407  		v0.AuxInt = int64ToAuxInt(0)
 24408  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 24409  		v1.AddArg3(ptr, v0, mem)
 24410  		v.AddArg3(ptr, v0, v1)
 24411  		return true
 24412  	}
 24413  	// match: (Zero [8] ptr mem)
 24414  	// result: (MOVDstore ptr (MOVDconst [0]) mem)
 24415  	for {
 24416  		if auxIntToInt64(v.AuxInt) != 8 {
 24417  			break
 24418  		}
 24419  		ptr := v_0
 24420  		mem := v_1
 24421  		v.reset(OpARM64MOVDstore)
 24422  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24423  		v0.AuxInt = int64ToAuxInt(0)
 24424  		v.AddArg3(ptr, v0, mem)
 24425  		return true
 24426  	}
 24427  	// match: (Zero [9] ptr mem)
 24428  	// result: (MOVBstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24429  	for {
 24430  		if auxIntToInt64(v.AuxInt) != 9 {
 24431  			break
 24432  		}
 24433  		ptr := v_0
 24434  		mem := v_1
 24435  		v.reset(OpARM64MOVBstore)
 24436  		v.AuxInt = int32ToAuxInt(8)
 24437  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24438  		v0.AuxInt = int64ToAuxInt(0)
 24439  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24440  		v1.AddArg3(ptr, v0, mem)
 24441  		v.AddArg3(ptr, v0, v1)
 24442  		return true
 24443  	}
 24444  	// match: (Zero [10] ptr mem)
 24445  	// result: (MOVHstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24446  	for {
 24447  		if auxIntToInt64(v.AuxInt) != 10 {
 24448  			break
 24449  		}
 24450  		ptr := v_0
 24451  		mem := v_1
 24452  		v.reset(OpARM64MOVHstore)
 24453  		v.AuxInt = int32ToAuxInt(8)
 24454  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24455  		v0.AuxInt = int64ToAuxInt(0)
 24456  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24457  		v1.AddArg3(ptr, v0, mem)
 24458  		v.AddArg3(ptr, v0, v1)
 24459  		return true
 24460  	}
 24461  	// match: (Zero [11] ptr mem)
 24462  	// result: (MOVDstore [3] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24463  	for {
 24464  		if auxIntToInt64(v.AuxInt) != 11 {
 24465  			break
 24466  		}
 24467  		ptr := v_0
 24468  		mem := v_1
 24469  		v.reset(OpARM64MOVDstore)
 24470  		v.AuxInt = int32ToAuxInt(3)
 24471  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24472  		v0.AuxInt = int64ToAuxInt(0)
 24473  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24474  		v1.AddArg3(ptr, v0, mem)
 24475  		v.AddArg3(ptr, v0, v1)
 24476  		return true
 24477  	}
 24478  	// match: (Zero [12] ptr mem)
 24479  	// result: (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24480  	for {
 24481  		if auxIntToInt64(v.AuxInt) != 12 {
 24482  			break
 24483  		}
 24484  		ptr := v_0
 24485  		mem := v_1
 24486  		v.reset(OpARM64MOVWstore)
 24487  		v.AuxInt = int32ToAuxInt(8)
 24488  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24489  		v0.AuxInt = int64ToAuxInt(0)
 24490  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24491  		v1.AddArg3(ptr, v0, mem)
 24492  		v.AddArg3(ptr, v0, v1)
 24493  		return true
 24494  	}
 24495  	// match: (Zero [13] ptr mem)
 24496  	// result: (MOVDstore [5] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24497  	for {
 24498  		if auxIntToInt64(v.AuxInt) != 13 {
 24499  			break
 24500  		}
 24501  		ptr := v_0
 24502  		mem := v_1
 24503  		v.reset(OpARM64MOVDstore)
 24504  		v.AuxInt = int32ToAuxInt(5)
 24505  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24506  		v0.AuxInt = int64ToAuxInt(0)
 24507  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24508  		v1.AddArg3(ptr, v0, mem)
 24509  		v.AddArg3(ptr, v0, v1)
 24510  		return true
 24511  	}
 24512  	// match: (Zero [14] ptr mem)
 24513  	// result: (MOVDstore [6] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24514  	for {
 24515  		if auxIntToInt64(v.AuxInt) != 14 {
 24516  			break
 24517  		}
 24518  		ptr := v_0
 24519  		mem := v_1
 24520  		v.reset(OpARM64MOVDstore)
 24521  		v.AuxInt = int32ToAuxInt(6)
 24522  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24523  		v0.AuxInt = int64ToAuxInt(0)
 24524  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24525  		v1.AddArg3(ptr, v0, mem)
 24526  		v.AddArg3(ptr, v0, v1)
 24527  		return true
 24528  	}
 24529  	// match: (Zero [15] ptr mem)
 24530  	// result: (MOVDstore [7] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 24531  	for {
 24532  		if auxIntToInt64(v.AuxInt) != 15 {
 24533  			break
 24534  		}
 24535  		ptr := v_0
 24536  		mem := v_1
 24537  		v.reset(OpARM64MOVDstore)
 24538  		v.AuxInt = int32ToAuxInt(7)
 24539  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24540  		v0.AuxInt = int64ToAuxInt(0)
 24541  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 24542  		v1.AddArg3(ptr, v0, mem)
 24543  		v.AddArg3(ptr, v0, v1)
 24544  		return true
 24545  	}
 24546  	// match: (Zero [16] ptr mem)
 24547  	// result: (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem)
 24548  	for {
 24549  		if auxIntToInt64(v.AuxInt) != 16 {
 24550  			break
 24551  		}
 24552  		ptr := v_0
 24553  		mem := v_1
 24554  		v.reset(OpARM64STP)
 24555  		v.AuxInt = int32ToAuxInt(0)
 24556  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24557  		v0.AuxInt = int64ToAuxInt(0)
 24558  		v.AddArg4(ptr, v0, v0, mem)
 24559  		return true
 24560  	}
 24561  	// match: (Zero [s] ptr mem)
 24562  	// cond: s > 16 && s < 192
 24563  	// result: (LoweredZero [s] ptr mem)
 24564  	for {
 24565  		s := auxIntToInt64(v.AuxInt)
 24566  		ptr := v_0
 24567  		mem := v_1
 24568  		if !(s > 16 && s < 192) {
 24569  			break
 24570  		}
 24571  		v.reset(OpARM64LoweredZero)
 24572  		v.AuxInt = int64ToAuxInt(s)
 24573  		v.AddArg2(ptr, mem)
 24574  		return true
 24575  	}
 24576  	// match: (Zero [s] ptr mem)
 24577  	// cond: s >= 192
 24578  	// result: (LoweredZeroLoop [s] ptr mem)
 24579  	for {
 24580  		s := auxIntToInt64(v.AuxInt)
 24581  		ptr := v_0
 24582  		mem := v_1
 24583  		if !(s >= 192) {
 24584  			break
 24585  		}
 24586  		v.reset(OpARM64LoweredZeroLoop)
 24587  		v.AuxInt = int64ToAuxInt(s)
 24588  		v.AddArg2(ptr, mem)
 24589  		return true
 24590  	}
 24591  	return false
 24592  }
 24593  func rewriteValueARM64_OpZeroSIMD(v *Value) bool {
 24594  	// match: (ZeroSIMD <t>)
 24595  	// cond: t.Size() == 16
 24596  	// result: (VMOVI16B [0] <t>)
 24597  	for {
 24598  		t := v.Type
 24599  		if !(t.Size() == 16) {
 24600  			break
 24601  		}
 24602  		v.reset(OpARM64VMOVI16B)
 24603  		v.Type = t
 24604  		v.AuxInt = uint8ToAuxInt(0)
 24605  		return true
 24606  	}
 24607  	// match: (ZeroSIMD <t>)
 24608  	// cond: t.Size() == 8 && t.IsSIMD()
 24609  	// result: (PPFALSE)
 24610  	for {
 24611  		t := v.Type
 24612  		if !(t.Size() == 8 && t.IsSIMD()) {
 24613  			break
 24614  		}
 24615  		v.reset(OpARM64PPFALSE)
 24616  		return true
 24617  	}
 24618  	// match: (ZeroSIMD <t>)
 24619  	// cond: t.Size() == 32 && t.IsSIMD()
 24620  	// result: (ZDUPBconst [0])
 24621  	for {
 24622  		t := v.Type
 24623  		if !(t.Size() == 32 && t.IsSIMD()) {
 24624  			break
 24625  		}
 24626  		v.reset(OpARM64ZDUPBconst)
 24627  		v.AuxInt = int8ToAuxInt(0)
 24628  		return true
 24629  	}
 24630  	return false
 24631  }
 24632  func rewriteValueARM64_Opbroadcast1To16Int8x16(v *Value) bool {
 24633  	v_0 := v.Args[0]
 24634  	// match: (broadcast1To16Int8x16 x)
 24635  	// result: (VDUPBbcast [0] x)
 24636  	for {
 24637  		x := v_0
 24638  		v.reset(OpARM64VDUPBbcast)
 24639  		v.AuxInt = uint8ToAuxInt(0)
 24640  		v.AddArg(x)
 24641  		return true
 24642  	}
 24643  }
 24644  func rewriteValueARM64_Opbroadcast1To16Uint8x16(v *Value) bool {
 24645  	v_0 := v.Args[0]
 24646  	// match: (broadcast1To16Uint8x16 x)
 24647  	// result: (VDUPBbcast [0] x)
 24648  	for {
 24649  		x := v_0
 24650  		v.reset(OpARM64VDUPBbcast)
 24651  		v.AuxInt = uint8ToAuxInt(0)
 24652  		v.AddArg(x)
 24653  		return true
 24654  	}
 24655  }
 24656  func rewriteValueARM64_Opbroadcast1To2Float64x2(v *Value) bool {
 24657  	v_0 := v.Args[0]
 24658  	// match: (broadcast1To2Float64x2 x)
 24659  	// result: (VDUPDbcast [0] x)
 24660  	for {
 24661  		x := v_0
 24662  		v.reset(OpARM64VDUPDbcast)
 24663  		v.AuxInt = uint8ToAuxInt(0)
 24664  		v.AddArg(x)
 24665  		return true
 24666  	}
 24667  }
 24668  func rewriteValueARM64_Opbroadcast1To2Int64x2(v *Value) bool {
 24669  	v_0 := v.Args[0]
 24670  	// match: (broadcast1To2Int64x2 x)
 24671  	// result: (VDUPDbcast [0] x)
 24672  	for {
 24673  		x := v_0
 24674  		v.reset(OpARM64VDUPDbcast)
 24675  		v.AuxInt = uint8ToAuxInt(0)
 24676  		v.AddArg(x)
 24677  		return true
 24678  	}
 24679  }
 24680  func rewriteValueARM64_Opbroadcast1To2Uint64x2(v *Value) bool {
 24681  	v_0 := v.Args[0]
 24682  	// match: (broadcast1To2Uint64x2 x)
 24683  	// result: (VDUPDbcast [0] x)
 24684  	for {
 24685  		x := v_0
 24686  		v.reset(OpARM64VDUPDbcast)
 24687  		v.AuxInt = uint8ToAuxInt(0)
 24688  		v.AddArg(x)
 24689  		return true
 24690  	}
 24691  }
 24692  func rewriteValueARM64_Opbroadcast1To4Float32x4(v *Value) bool {
 24693  	v_0 := v.Args[0]
 24694  	// match: (broadcast1To4Float32x4 x)
 24695  	// result: (VDUPSbcast [0] x)
 24696  	for {
 24697  		x := v_0
 24698  		v.reset(OpARM64VDUPSbcast)
 24699  		v.AuxInt = uint8ToAuxInt(0)
 24700  		v.AddArg(x)
 24701  		return true
 24702  	}
 24703  }
 24704  func rewriteValueARM64_Opbroadcast1To4Int32x4(v *Value) bool {
 24705  	v_0 := v.Args[0]
 24706  	// match: (broadcast1To4Int32x4 x)
 24707  	// result: (VDUPSbcast [0] x)
 24708  	for {
 24709  		x := v_0
 24710  		v.reset(OpARM64VDUPSbcast)
 24711  		v.AuxInt = uint8ToAuxInt(0)
 24712  		v.AddArg(x)
 24713  		return true
 24714  	}
 24715  }
 24716  func rewriteValueARM64_Opbroadcast1To4Uint32x4(v *Value) bool {
 24717  	v_0 := v.Args[0]
 24718  	// match: (broadcast1To4Uint32x4 x)
 24719  	// result: (VDUPSbcast [0] x)
 24720  	for {
 24721  		x := v_0
 24722  		v.reset(OpARM64VDUPSbcast)
 24723  		v.AuxInt = uint8ToAuxInt(0)
 24724  		v.AddArg(x)
 24725  		return true
 24726  	}
 24727  }
 24728  func rewriteValueARM64_Opbroadcast1To8Int16x8(v *Value) bool {
 24729  	v_0 := v.Args[0]
 24730  	// match: (broadcast1To8Int16x8 x)
 24731  	// result: (VDUPHbcast [0] x)
 24732  	for {
 24733  		x := v_0
 24734  		v.reset(OpARM64VDUPHbcast)
 24735  		v.AuxInt = uint8ToAuxInt(0)
 24736  		v.AddArg(x)
 24737  		return true
 24738  	}
 24739  }
 24740  func rewriteValueARM64_Opbroadcast1To8Uint16x8(v *Value) bool {
 24741  	v_0 := v.Args[0]
 24742  	// match: (broadcast1To8Uint16x8 x)
 24743  	// result: (VDUPHbcast [0] x)
 24744  	for {
 24745  		x := v_0
 24746  		v.reset(OpARM64VDUPHbcast)
 24747  		v.AuxInt = uint8ToAuxInt(0)
 24748  		v.AddArg(x)
 24749  		return true
 24750  	}
 24751  }
 24752  func rewriteBlockARM64(b *Block) bool {
 24753  	typ := &b.Func.Config.Types
 24754  	switch b.Kind {
 24755  	case block.BlockARM64EQ:
 24756  		// match: (EQ (CMPconst [0] z:(AND x y)) yes no)
 24757  		// cond: z.Uses == 1
 24758  		// result: (EQ (TST x y) yes no)
 24759  		for b.Controls[0].Op == OpARM64CMPconst {
 24760  			v_0 := b.Controls[0]
 24761  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24762  				break
 24763  			}
 24764  			z := v_0.Args[0]
 24765  			if z.Op != OpARM64AND {
 24766  				break
 24767  			}
 24768  			_ = z.Args[1]
 24769  			z_0 := z.Args[0]
 24770  			z_1 := z.Args[1]
 24771  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24772  				x := z_0
 24773  				y := z_1
 24774  				if !(z.Uses == 1) {
 24775  					continue
 24776  				}
 24777  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 24778  				v0.AddArg2(x, y)
 24779  				b.resetWithControl(block.BlockARM64EQ, v0)
 24780  				return true
 24781  			}
 24782  			break
 24783  		}
 24784  		// match: (EQ (CMPconst [0] x:(ANDconst [c] y)) yes no)
 24785  		// cond: x.Uses == 1
 24786  		// result: (EQ (TSTconst [c] y) yes no)
 24787  		for b.Controls[0].Op == OpARM64CMPconst {
 24788  			v_0 := b.Controls[0]
 24789  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24790  				break
 24791  			}
 24792  			x := v_0.Args[0]
 24793  			if x.Op != OpARM64ANDconst {
 24794  				break
 24795  			}
 24796  			c := auxIntToInt64(x.AuxInt)
 24797  			y := x.Args[0]
 24798  			if !(x.Uses == 1) {
 24799  				break
 24800  			}
 24801  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 24802  			v0.AuxInt = int64ToAuxInt(c)
 24803  			v0.AddArg(y)
 24804  			b.resetWithControl(block.BlockARM64EQ, v0)
 24805  			return true
 24806  		}
 24807  		// match: (EQ (CMPWconst [0] z:(AND x y)) yes no)
 24808  		// cond: z.Uses == 1
 24809  		// result: (EQ (TSTW x y) yes no)
 24810  		for b.Controls[0].Op == OpARM64CMPWconst {
 24811  			v_0 := b.Controls[0]
 24812  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24813  				break
 24814  			}
 24815  			z := v_0.Args[0]
 24816  			if z.Op != OpARM64AND {
 24817  				break
 24818  			}
 24819  			_ = z.Args[1]
 24820  			z_0 := z.Args[0]
 24821  			z_1 := z.Args[1]
 24822  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24823  				x := z_0
 24824  				y := z_1
 24825  				if !(z.Uses == 1) {
 24826  					continue
 24827  				}
 24828  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 24829  				v0.AddArg2(x, y)
 24830  				b.resetWithControl(block.BlockARM64EQ, v0)
 24831  				return true
 24832  			}
 24833  			break
 24834  		}
 24835  		// match: (EQ (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 24836  		// cond: x.Uses == 1
 24837  		// result: (EQ (TSTWconst [int32(c)] y) yes no)
 24838  		for b.Controls[0].Op == OpARM64CMPWconst {
 24839  			v_0 := b.Controls[0]
 24840  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24841  				break
 24842  			}
 24843  			x := v_0.Args[0]
 24844  			if x.Op != OpARM64ANDconst {
 24845  				break
 24846  			}
 24847  			c := auxIntToInt64(x.AuxInt)
 24848  			y := x.Args[0]
 24849  			if !(x.Uses == 1) {
 24850  				break
 24851  			}
 24852  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 24853  			v0.AuxInt = int32ToAuxInt(int32(c))
 24854  			v0.AddArg(y)
 24855  			b.resetWithControl(block.BlockARM64EQ, v0)
 24856  			return true
 24857  		}
 24858  		// match: (EQ (CMPconst [0] x:(ADDconst [c] y)) yes no)
 24859  		// cond: x.Uses == 1
 24860  		// result: (EQ (CMNconst [c] y) yes no)
 24861  		for b.Controls[0].Op == OpARM64CMPconst {
 24862  			v_0 := b.Controls[0]
 24863  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24864  				break
 24865  			}
 24866  			x := v_0.Args[0]
 24867  			if x.Op != OpARM64ADDconst {
 24868  				break
 24869  			}
 24870  			c := auxIntToInt64(x.AuxInt)
 24871  			y := x.Args[0]
 24872  			if !(x.Uses == 1) {
 24873  				break
 24874  			}
 24875  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 24876  			v0.AuxInt = int64ToAuxInt(c)
 24877  			v0.AddArg(y)
 24878  			b.resetWithControl(block.BlockARM64EQ, v0)
 24879  			return true
 24880  		}
 24881  		// match: (EQ (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 24882  		// cond: x.Uses == 1
 24883  		// result: (EQ (CMNWconst [int32(c)] y) yes no)
 24884  		for b.Controls[0].Op == OpARM64CMPWconst {
 24885  			v_0 := b.Controls[0]
 24886  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24887  				break
 24888  			}
 24889  			x := v_0.Args[0]
 24890  			if x.Op != OpARM64ADDconst {
 24891  				break
 24892  			}
 24893  			c := auxIntToInt64(x.AuxInt)
 24894  			y := x.Args[0]
 24895  			if !(x.Uses == 1) {
 24896  				break
 24897  			}
 24898  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 24899  			v0.AuxInt = int32ToAuxInt(int32(c))
 24900  			v0.AddArg(y)
 24901  			b.resetWithControl(block.BlockARM64EQ, v0)
 24902  			return true
 24903  		}
 24904  		// match: (EQ (CMPconst [0] z:(ADD x y)) yes no)
 24905  		// cond: z.Uses == 1
 24906  		// result: (EQ (CMN x y) yes no)
 24907  		for b.Controls[0].Op == OpARM64CMPconst {
 24908  			v_0 := b.Controls[0]
 24909  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24910  				break
 24911  			}
 24912  			z := v_0.Args[0]
 24913  			if z.Op != OpARM64ADD {
 24914  				break
 24915  			}
 24916  			_ = z.Args[1]
 24917  			z_0 := z.Args[0]
 24918  			z_1 := z.Args[1]
 24919  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24920  				x := z_0
 24921  				y := z_1
 24922  				if !(z.Uses == 1) {
 24923  					continue
 24924  				}
 24925  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24926  				v0.AddArg2(x, y)
 24927  				b.resetWithControl(block.BlockARM64EQ, v0)
 24928  				return true
 24929  			}
 24930  			break
 24931  		}
 24932  		// match: (EQ (CMPWconst [0] z:(ADD x y)) yes no)
 24933  		// cond: z.Uses == 1
 24934  		// result: (EQ (CMNW x y) yes no)
 24935  		for b.Controls[0].Op == OpARM64CMPWconst {
 24936  			v_0 := b.Controls[0]
 24937  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24938  				break
 24939  			}
 24940  			z := v_0.Args[0]
 24941  			if z.Op != OpARM64ADD {
 24942  				break
 24943  			}
 24944  			_ = z.Args[1]
 24945  			z_0 := z.Args[0]
 24946  			z_1 := z.Args[1]
 24947  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24948  				x := z_0
 24949  				y := z_1
 24950  				if !(z.Uses == 1) {
 24951  					continue
 24952  				}
 24953  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24954  				v0.AddArg2(x, y)
 24955  				b.resetWithControl(block.BlockARM64EQ, v0)
 24956  				return true
 24957  			}
 24958  			break
 24959  		}
 24960  		// match: (EQ (CMP x z:(NEG y)) yes no)
 24961  		// cond: z.Uses == 1
 24962  		// result: (EQ (CMN x y) yes no)
 24963  		for b.Controls[0].Op == OpARM64CMP {
 24964  			v_0 := b.Controls[0]
 24965  			_ = v_0.Args[1]
 24966  			x := v_0.Args[0]
 24967  			z := v_0.Args[1]
 24968  			if z.Op != OpARM64NEG {
 24969  				break
 24970  			}
 24971  			y := z.Args[0]
 24972  			if !(z.Uses == 1) {
 24973  				break
 24974  			}
 24975  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24976  			v0.AddArg2(x, y)
 24977  			b.resetWithControl(block.BlockARM64EQ, v0)
 24978  			return true
 24979  		}
 24980  		// match: (EQ (CMPW x z:(NEG y)) yes no)
 24981  		// cond: z.Uses == 1
 24982  		// result: (EQ (CMNW x y) yes no)
 24983  		for b.Controls[0].Op == OpARM64CMPW {
 24984  			v_0 := b.Controls[0]
 24985  			_ = v_0.Args[1]
 24986  			x := v_0.Args[0]
 24987  			z := v_0.Args[1]
 24988  			if z.Op != OpARM64NEG {
 24989  				break
 24990  			}
 24991  			y := z.Args[0]
 24992  			if !(z.Uses == 1) {
 24993  				break
 24994  			}
 24995  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24996  			v0.AddArg2(x, y)
 24997  			b.resetWithControl(block.BlockARM64EQ, v0)
 24998  			return true
 24999  		}
 25000  		// match: (EQ (CMPconst [0] x) yes no)
 25001  		// result: (Z x yes no)
 25002  		for b.Controls[0].Op == OpARM64CMPconst {
 25003  			v_0 := b.Controls[0]
 25004  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25005  				break
 25006  			}
 25007  			x := v_0.Args[0]
 25008  			b.resetWithControl(block.BlockARM64Z, x)
 25009  			return true
 25010  		}
 25011  		// match: (EQ (CMPWconst [0] x) yes no)
 25012  		// result: (ZW x yes no)
 25013  		for b.Controls[0].Op == OpARM64CMPWconst {
 25014  			v_0 := b.Controls[0]
 25015  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25016  				break
 25017  			}
 25018  			x := v_0.Args[0]
 25019  			b.resetWithControl(block.BlockARM64ZW, x)
 25020  			return true
 25021  		}
 25022  		// match: (EQ (CMPconst [0] z:(MADD a x y)) yes no)
 25023  		// cond: z.Uses==1
 25024  		// result: (EQ (CMN a (MUL <x.Type> x y)) yes no)
 25025  		for b.Controls[0].Op == OpARM64CMPconst {
 25026  			v_0 := b.Controls[0]
 25027  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25028  				break
 25029  			}
 25030  			z := v_0.Args[0]
 25031  			if z.Op != OpARM64MADD {
 25032  				break
 25033  			}
 25034  			y := z.Args[2]
 25035  			a := z.Args[0]
 25036  			x := z.Args[1]
 25037  			if !(z.Uses == 1) {
 25038  				break
 25039  			}
 25040  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25041  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25042  			v1.AddArg2(x, y)
 25043  			v0.AddArg2(a, v1)
 25044  			b.resetWithControl(block.BlockARM64EQ, v0)
 25045  			return true
 25046  		}
 25047  		// match: (EQ (CMPWconst [0] z:(MADDW a x y)) yes no)
 25048  		// cond: z.Uses==1
 25049  		// result: (EQ (CMNW a (MULW <x.Type> x y)) yes no)
 25050  		for b.Controls[0].Op == OpARM64CMPWconst {
 25051  			v_0 := b.Controls[0]
 25052  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25053  				break
 25054  			}
 25055  			z := v_0.Args[0]
 25056  			if z.Op != OpARM64MADDW {
 25057  				break
 25058  			}
 25059  			y := z.Args[2]
 25060  			a := z.Args[0]
 25061  			x := z.Args[1]
 25062  			if !(z.Uses == 1) {
 25063  				break
 25064  			}
 25065  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25066  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25067  			v1.AddArg2(x, y)
 25068  			v0.AddArg2(a, v1)
 25069  			b.resetWithControl(block.BlockARM64EQ, v0)
 25070  			return true
 25071  		}
 25072  		// match: (EQ (CMPconst [0] z:(MSUB a x y)) yes no)
 25073  		// cond: z.Uses==1
 25074  		// result: (EQ (CMP a (MUL <x.Type> x y)) yes no)
 25075  		for b.Controls[0].Op == OpARM64CMPconst {
 25076  			v_0 := b.Controls[0]
 25077  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25078  				break
 25079  			}
 25080  			z := v_0.Args[0]
 25081  			if z.Op != OpARM64MSUB {
 25082  				break
 25083  			}
 25084  			y := z.Args[2]
 25085  			a := z.Args[0]
 25086  			x := z.Args[1]
 25087  			if !(z.Uses == 1) {
 25088  				break
 25089  			}
 25090  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 25091  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25092  			v1.AddArg2(x, y)
 25093  			v0.AddArg2(a, v1)
 25094  			b.resetWithControl(block.BlockARM64EQ, v0)
 25095  			return true
 25096  		}
 25097  		// match: (EQ (CMPWconst [0] z:(MSUBW a x y)) yes no)
 25098  		// cond: z.Uses==1
 25099  		// result: (EQ (CMPW a (MULW <x.Type> x y)) yes no)
 25100  		for b.Controls[0].Op == OpARM64CMPWconst {
 25101  			v_0 := b.Controls[0]
 25102  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25103  				break
 25104  			}
 25105  			z := v_0.Args[0]
 25106  			if z.Op != OpARM64MSUBW {
 25107  				break
 25108  			}
 25109  			y := z.Args[2]
 25110  			a := z.Args[0]
 25111  			x := z.Args[1]
 25112  			if !(z.Uses == 1) {
 25113  				break
 25114  			}
 25115  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 25116  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25117  			v1.AddArg2(x, y)
 25118  			v0.AddArg2(a, v1)
 25119  			b.resetWithControl(block.BlockARM64EQ, v0)
 25120  			return true
 25121  		}
 25122  		// match: (EQ (TSTconst [c] x) yes no)
 25123  		// cond: oneBit(c)
 25124  		// result: (TBZ [int64(ntz64(c))] x yes no)
 25125  		for b.Controls[0].Op == OpARM64TSTconst {
 25126  			v_0 := b.Controls[0]
 25127  			c := auxIntToInt64(v_0.AuxInt)
 25128  			x := v_0.Args[0]
 25129  			if !(oneBit(c)) {
 25130  				break
 25131  			}
 25132  			b.resetWithControl(block.BlockARM64TBZ, x)
 25133  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 25134  			return true
 25135  		}
 25136  		// match: (EQ (TSTWconst [c] x) yes no)
 25137  		// cond: oneBit(int64(uint32(c)))
 25138  		// result: (TBZ [int64(ntz64(int64(uint32(c))))] x yes no)
 25139  		for b.Controls[0].Op == OpARM64TSTWconst {
 25140  			v_0 := b.Controls[0]
 25141  			c := auxIntToInt32(v_0.AuxInt)
 25142  			x := v_0.Args[0]
 25143  			if !(oneBit(int64(uint32(c)))) {
 25144  				break
 25145  			}
 25146  			b.resetWithControl(block.BlockARM64TBZ, x)
 25147  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 25148  			return true
 25149  		}
 25150  		// match: (EQ (FlagConstant [fc]) yes no)
 25151  		// cond: fc.eq()
 25152  		// result: (First yes no)
 25153  		for b.Controls[0].Op == OpARM64FlagConstant {
 25154  			v_0 := b.Controls[0]
 25155  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25156  			if !(fc.eq()) {
 25157  				break
 25158  			}
 25159  			b.Reset(block.BlockFirst)
 25160  			return true
 25161  		}
 25162  		// match: (EQ (FlagConstant [fc]) yes no)
 25163  		// cond: !fc.eq()
 25164  		// result: (First no yes)
 25165  		for b.Controls[0].Op == OpARM64FlagConstant {
 25166  			v_0 := b.Controls[0]
 25167  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25168  			if !(!fc.eq()) {
 25169  				break
 25170  			}
 25171  			b.Reset(block.BlockFirst)
 25172  			b.swapSuccessors()
 25173  			return true
 25174  		}
 25175  		// match: (EQ (InvertFlags cmp) yes no)
 25176  		// result: (EQ cmp yes no)
 25177  		for b.Controls[0].Op == OpARM64InvertFlags {
 25178  			v_0 := b.Controls[0]
 25179  			cmp := v_0.Args[0]
 25180  			b.resetWithControl(block.BlockARM64EQ, cmp)
 25181  			return true
 25182  		}
 25183  	case block.BlockARM64FGE:
 25184  		// match: (FGE (InvertFlags cmp) yes no)
 25185  		// result: (FLE cmp yes no)
 25186  		for b.Controls[0].Op == OpARM64InvertFlags {
 25187  			v_0 := b.Controls[0]
 25188  			cmp := v_0.Args[0]
 25189  			b.resetWithControl(block.BlockARM64FLE, cmp)
 25190  			return true
 25191  		}
 25192  	case block.BlockARM64FGT:
 25193  		// match: (FGT (InvertFlags cmp) yes no)
 25194  		// result: (FLT cmp yes no)
 25195  		for b.Controls[0].Op == OpARM64InvertFlags {
 25196  			v_0 := b.Controls[0]
 25197  			cmp := v_0.Args[0]
 25198  			b.resetWithControl(block.BlockARM64FLT, cmp)
 25199  			return true
 25200  		}
 25201  	case block.BlockARM64FLE:
 25202  		// match: (FLE (InvertFlags cmp) yes no)
 25203  		// result: (FGE cmp yes no)
 25204  		for b.Controls[0].Op == OpARM64InvertFlags {
 25205  			v_0 := b.Controls[0]
 25206  			cmp := v_0.Args[0]
 25207  			b.resetWithControl(block.BlockARM64FGE, cmp)
 25208  			return true
 25209  		}
 25210  	case block.BlockARM64FLT:
 25211  		// match: (FLT (InvertFlags cmp) yes no)
 25212  		// result: (FGT cmp yes no)
 25213  		for b.Controls[0].Op == OpARM64InvertFlags {
 25214  			v_0 := b.Controls[0]
 25215  			cmp := v_0.Args[0]
 25216  			b.resetWithControl(block.BlockARM64FGT, cmp)
 25217  			return true
 25218  		}
 25219  	case block.BlockARM64GE:
 25220  		// match: (GE (CMPconst [0] z:(AND x y)) yes no)
 25221  		// cond: z.Uses == 1
 25222  		// result: (GE (TST x y) yes no)
 25223  		for b.Controls[0].Op == OpARM64CMPconst {
 25224  			v_0 := b.Controls[0]
 25225  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25226  				break
 25227  			}
 25228  			z := v_0.Args[0]
 25229  			if z.Op != OpARM64AND {
 25230  				break
 25231  			}
 25232  			_ = z.Args[1]
 25233  			z_0 := z.Args[0]
 25234  			z_1 := z.Args[1]
 25235  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25236  				x := z_0
 25237  				y := z_1
 25238  				if !(z.Uses == 1) {
 25239  					continue
 25240  				}
 25241  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 25242  				v0.AddArg2(x, y)
 25243  				b.resetWithControl(block.BlockARM64GE, v0)
 25244  				return true
 25245  			}
 25246  			break
 25247  		}
 25248  		// match: (GE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 25249  		// cond: x.Uses == 1
 25250  		// result: (GE (TSTconst [c] y) yes no)
 25251  		for b.Controls[0].Op == OpARM64CMPconst {
 25252  			v_0 := b.Controls[0]
 25253  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25254  				break
 25255  			}
 25256  			x := v_0.Args[0]
 25257  			if x.Op != OpARM64ANDconst {
 25258  				break
 25259  			}
 25260  			c := auxIntToInt64(x.AuxInt)
 25261  			y := x.Args[0]
 25262  			if !(x.Uses == 1) {
 25263  				break
 25264  			}
 25265  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 25266  			v0.AuxInt = int64ToAuxInt(c)
 25267  			v0.AddArg(y)
 25268  			b.resetWithControl(block.BlockARM64GE, v0)
 25269  			return true
 25270  		}
 25271  		// match: (GE (CMPWconst [0] z:(AND x y)) yes no)
 25272  		// cond: z.Uses == 1
 25273  		// result: (GE (TSTW x y) yes no)
 25274  		for b.Controls[0].Op == OpARM64CMPWconst {
 25275  			v_0 := b.Controls[0]
 25276  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25277  				break
 25278  			}
 25279  			z := v_0.Args[0]
 25280  			if z.Op != OpARM64AND {
 25281  				break
 25282  			}
 25283  			_ = z.Args[1]
 25284  			z_0 := z.Args[0]
 25285  			z_1 := z.Args[1]
 25286  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25287  				x := z_0
 25288  				y := z_1
 25289  				if !(z.Uses == 1) {
 25290  					continue
 25291  				}
 25292  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 25293  				v0.AddArg2(x, y)
 25294  				b.resetWithControl(block.BlockARM64GE, v0)
 25295  				return true
 25296  			}
 25297  			break
 25298  		}
 25299  		// match: (GE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 25300  		// cond: x.Uses == 1
 25301  		// result: (GE (TSTWconst [int32(c)] y) yes no)
 25302  		for b.Controls[0].Op == OpARM64CMPWconst {
 25303  			v_0 := b.Controls[0]
 25304  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25305  				break
 25306  			}
 25307  			x := v_0.Args[0]
 25308  			if x.Op != OpARM64ANDconst {
 25309  				break
 25310  			}
 25311  			c := auxIntToInt64(x.AuxInt)
 25312  			y := x.Args[0]
 25313  			if !(x.Uses == 1) {
 25314  				break
 25315  			}
 25316  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 25317  			v0.AuxInt = int32ToAuxInt(int32(c))
 25318  			v0.AddArg(y)
 25319  			b.resetWithControl(block.BlockARM64GE, v0)
 25320  			return true
 25321  		}
 25322  		// match: (GE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 25323  		// cond: x.Uses == 1
 25324  		// result: (GEnoov (CMNconst [c] y) yes no)
 25325  		for b.Controls[0].Op == OpARM64CMPconst {
 25326  			v_0 := b.Controls[0]
 25327  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25328  				break
 25329  			}
 25330  			x := v_0.Args[0]
 25331  			if x.Op != OpARM64ADDconst {
 25332  				break
 25333  			}
 25334  			c := auxIntToInt64(x.AuxInt)
 25335  			y := x.Args[0]
 25336  			if !(x.Uses == 1) {
 25337  				break
 25338  			}
 25339  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 25340  			v0.AuxInt = int64ToAuxInt(c)
 25341  			v0.AddArg(y)
 25342  			b.resetWithControl(block.BlockARM64GEnoov, v0)
 25343  			return true
 25344  		}
 25345  		// match: (GE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 25346  		// cond: x.Uses == 1
 25347  		// result: (GEnoov (CMNWconst [int32(c)] y) yes no)
 25348  		for b.Controls[0].Op == OpARM64CMPWconst {
 25349  			v_0 := b.Controls[0]
 25350  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25351  				break
 25352  			}
 25353  			x := v_0.Args[0]
 25354  			if x.Op != OpARM64ADDconst {
 25355  				break
 25356  			}
 25357  			c := auxIntToInt64(x.AuxInt)
 25358  			y := x.Args[0]
 25359  			if !(x.Uses == 1) {
 25360  				break
 25361  			}
 25362  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 25363  			v0.AuxInt = int32ToAuxInt(int32(c))
 25364  			v0.AddArg(y)
 25365  			b.resetWithControl(block.BlockARM64GEnoov, v0)
 25366  			return true
 25367  		}
 25368  		// match: (GE (CMPconst [0] z:(ADD x y)) yes no)
 25369  		// cond: z.Uses == 1
 25370  		// result: (GEnoov (CMN x y) yes no)
 25371  		for b.Controls[0].Op == OpARM64CMPconst {
 25372  			v_0 := b.Controls[0]
 25373  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25374  				break
 25375  			}
 25376  			z := v_0.Args[0]
 25377  			if z.Op != OpARM64ADD {
 25378  				break
 25379  			}
 25380  			_ = z.Args[1]
 25381  			z_0 := z.Args[0]
 25382  			z_1 := z.Args[1]
 25383  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25384  				x := z_0
 25385  				y := z_1
 25386  				if !(z.Uses == 1) {
 25387  					continue
 25388  				}
 25389  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25390  				v0.AddArg2(x, y)
 25391  				b.resetWithControl(block.BlockARM64GEnoov, v0)
 25392  				return true
 25393  			}
 25394  			break
 25395  		}
 25396  		// match: (GE (CMPWconst [0] z:(ADD x y)) yes no)
 25397  		// cond: z.Uses == 1
 25398  		// result: (GEnoov (CMNW x y) yes no)
 25399  		for b.Controls[0].Op == OpARM64CMPWconst {
 25400  			v_0 := b.Controls[0]
 25401  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25402  				break
 25403  			}
 25404  			z := v_0.Args[0]
 25405  			if z.Op != OpARM64ADD {
 25406  				break
 25407  			}
 25408  			_ = z.Args[1]
 25409  			z_0 := z.Args[0]
 25410  			z_1 := z.Args[1]
 25411  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25412  				x := z_0
 25413  				y := z_1
 25414  				if !(z.Uses == 1) {
 25415  					continue
 25416  				}
 25417  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25418  				v0.AddArg2(x, y)
 25419  				b.resetWithControl(block.BlockARM64GEnoov, v0)
 25420  				return true
 25421  			}
 25422  			break
 25423  		}
 25424  		// match: (GE (CMPconst [0] z:(MADD a x y)) yes no)
 25425  		// cond: z.Uses==1
 25426  		// result: (GEnoov (CMN a (MUL <x.Type> x y)) yes no)
 25427  		for b.Controls[0].Op == OpARM64CMPconst {
 25428  			v_0 := b.Controls[0]
 25429  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25430  				break
 25431  			}
 25432  			z := v_0.Args[0]
 25433  			if z.Op != OpARM64MADD {
 25434  				break
 25435  			}
 25436  			y := z.Args[2]
 25437  			a := z.Args[0]
 25438  			x := z.Args[1]
 25439  			if !(z.Uses == 1) {
 25440  				break
 25441  			}
 25442  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25443  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25444  			v1.AddArg2(x, y)
 25445  			v0.AddArg2(a, v1)
 25446  			b.resetWithControl(block.BlockARM64GEnoov, v0)
 25447  			return true
 25448  		}
 25449  		// match: (GE (CMPWconst [0] z:(MADDW a x y)) yes no)
 25450  		// cond: z.Uses==1
 25451  		// result: (GEnoov (CMNW a (MULW <x.Type> x y)) yes no)
 25452  		for b.Controls[0].Op == OpARM64CMPWconst {
 25453  			v_0 := b.Controls[0]
 25454  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25455  				break
 25456  			}
 25457  			z := v_0.Args[0]
 25458  			if z.Op != OpARM64MADDW {
 25459  				break
 25460  			}
 25461  			y := z.Args[2]
 25462  			a := z.Args[0]
 25463  			x := z.Args[1]
 25464  			if !(z.Uses == 1) {
 25465  				break
 25466  			}
 25467  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25468  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25469  			v1.AddArg2(x, y)
 25470  			v0.AddArg2(a, v1)
 25471  			b.resetWithControl(block.BlockARM64GEnoov, v0)
 25472  			return true
 25473  		}
 25474  		// match: (GE (CMPWconst [0] x) yes no)
 25475  		// result: (TBZ [31] x yes no)
 25476  		for b.Controls[0].Op == OpARM64CMPWconst {
 25477  			v_0 := b.Controls[0]
 25478  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25479  				break
 25480  			}
 25481  			x := v_0.Args[0]
 25482  			b.resetWithControl(block.BlockARM64TBZ, x)
 25483  			b.AuxInt = int64ToAuxInt(31)
 25484  			return true
 25485  		}
 25486  		// match: (GE (CMPconst [0] x) yes no)
 25487  		// result: (TBZ [63] x yes no)
 25488  		for b.Controls[0].Op == OpARM64CMPconst {
 25489  			v_0 := b.Controls[0]
 25490  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25491  				break
 25492  			}
 25493  			x := v_0.Args[0]
 25494  			b.resetWithControl(block.BlockARM64TBZ, x)
 25495  			b.AuxInt = int64ToAuxInt(63)
 25496  			return true
 25497  		}
 25498  		// match: (GE (CMPWconst [128] x) yes no)
 25499  		// cond: ZeroUpper56Bits(x)
 25500  		// result: (TBNZ [7] x yes no)
 25501  		for b.Controls[0].Op == OpARM64CMPWconst {
 25502  			v_0 := b.Controls[0]
 25503  			if auxIntToInt32(v_0.AuxInt) != 128 {
 25504  				break
 25505  			}
 25506  			x := v_0.Args[0]
 25507  			if !(ZeroUpper56Bits(x)) {
 25508  				break
 25509  			}
 25510  			b.resetWithControl(block.BlockARM64TBNZ, x)
 25511  			b.AuxInt = int64ToAuxInt(7)
 25512  			return true
 25513  		}
 25514  		// match: (GE (CMPconst [128] x) yes no)
 25515  		// cond: ZeroUpper56Bits(x)
 25516  		// result: (TBNZ [7] x yes no)
 25517  		for b.Controls[0].Op == OpARM64CMPconst {
 25518  			v_0 := b.Controls[0]
 25519  			if auxIntToInt64(v_0.AuxInt) != 128 {
 25520  				break
 25521  			}
 25522  			x := v_0.Args[0]
 25523  			if !(ZeroUpper56Bits(x)) {
 25524  				break
 25525  			}
 25526  			b.resetWithControl(block.BlockARM64TBNZ, x)
 25527  			b.AuxInt = int64ToAuxInt(7)
 25528  			return true
 25529  		}
 25530  		// match: (GE (FlagConstant [fc]) yes no)
 25531  		// cond: fc.ge()
 25532  		// result: (First yes no)
 25533  		for b.Controls[0].Op == OpARM64FlagConstant {
 25534  			v_0 := b.Controls[0]
 25535  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25536  			if !(fc.ge()) {
 25537  				break
 25538  			}
 25539  			b.Reset(block.BlockFirst)
 25540  			return true
 25541  		}
 25542  		// match: (GE (FlagConstant [fc]) yes no)
 25543  		// cond: !fc.ge()
 25544  		// result: (First no yes)
 25545  		for b.Controls[0].Op == OpARM64FlagConstant {
 25546  			v_0 := b.Controls[0]
 25547  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25548  			if !(!fc.ge()) {
 25549  				break
 25550  			}
 25551  			b.Reset(block.BlockFirst)
 25552  			b.swapSuccessors()
 25553  			return true
 25554  		}
 25555  		// match: (GE (InvertFlags cmp) yes no)
 25556  		// result: (LE cmp yes no)
 25557  		for b.Controls[0].Op == OpARM64InvertFlags {
 25558  			v_0 := b.Controls[0]
 25559  			cmp := v_0.Args[0]
 25560  			b.resetWithControl(block.BlockARM64LE, cmp)
 25561  			return true
 25562  		}
 25563  	case block.BlockARM64GEnoov:
 25564  		// match: (GEnoov (FlagConstant [fc]) yes no)
 25565  		// cond: fc.geNoov()
 25566  		// result: (First yes no)
 25567  		for b.Controls[0].Op == OpARM64FlagConstant {
 25568  			v_0 := b.Controls[0]
 25569  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25570  			if !(fc.geNoov()) {
 25571  				break
 25572  			}
 25573  			b.Reset(block.BlockFirst)
 25574  			return true
 25575  		}
 25576  		// match: (GEnoov (FlagConstant [fc]) yes no)
 25577  		// cond: !fc.geNoov()
 25578  		// result: (First no yes)
 25579  		for b.Controls[0].Op == OpARM64FlagConstant {
 25580  			v_0 := b.Controls[0]
 25581  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25582  			if !(!fc.geNoov()) {
 25583  				break
 25584  			}
 25585  			b.Reset(block.BlockFirst)
 25586  			b.swapSuccessors()
 25587  			return true
 25588  		}
 25589  	case block.BlockARM64GT:
 25590  		// match: (GT (CMPconst [0] z:(AND x y)) yes no)
 25591  		// cond: z.Uses == 1
 25592  		// result: (GT (TST x y) yes no)
 25593  		for b.Controls[0].Op == OpARM64CMPconst {
 25594  			v_0 := b.Controls[0]
 25595  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25596  				break
 25597  			}
 25598  			z := v_0.Args[0]
 25599  			if z.Op != OpARM64AND {
 25600  				break
 25601  			}
 25602  			_ = z.Args[1]
 25603  			z_0 := z.Args[0]
 25604  			z_1 := z.Args[1]
 25605  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25606  				x := z_0
 25607  				y := z_1
 25608  				if !(z.Uses == 1) {
 25609  					continue
 25610  				}
 25611  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 25612  				v0.AddArg2(x, y)
 25613  				b.resetWithControl(block.BlockARM64GT, v0)
 25614  				return true
 25615  			}
 25616  			break
 25617  		}
 25618  		// match: (GT (CMPconst [0] x:(ANDconst [c] y)) yes no)
 25619  		// cond: x.Uses == 1
 25620  		// result: (GT (TSTconst [c] y) yes no)
 25621  		for b.Controls[0].Op == OpARM64CMPconst {
 25622  			v_0 := b.Controls[0]
 25623  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25624  				break
 25625  			}
 25626  			x := v_0.Args[0]
 25627  			if x.Op != OpARM64ANDconst {
 25628  				break
 25629  			}
 25630  			c := auxIntToInt64(x.AuxInt)
 25631  			y := x.Args[0]
 25632  			if !(x.Uses == 1) {
 25633  				break
 25634  			}
 25635  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 25636  			v0.AuxInt = int64ToAuxInt(c)
 25637  			v0.AddArg(y)
 25638  			b.resetWithControl(block.BlockARM64GT, v0)
 25639  			return true
 25640  		}
 25641  		// match: (GT (CMPWconst [0] z:(AND x y)) yes no)
 25642  		// cond: z.Uses == 1
 25643  		// result: (GT (TSTW x y) yes no)
 25644  		for b.Controls[0].Op == OpARM64CMPWconst {
 25645  			v_0 := b.Controls[0]
 25646  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25647  				break
 25648  			}
 25649  			z := v_0.Args[0]
 25650  			if z.Op != OpARM64AND {
 25651  				break
 25652  			}
 25653  			_ = z.Args[1]
 25654  			z_0 := z.Args[0]
 25655  			z_1 := z.Args[1]
 25656  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25657  				x := z_0
 25658  				y := z_1
 25659  				if !(z.Uses == 1) {
 25660  					continue
 25661  				}
 25662  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 25663  				v0.AddArg2(x, y)
 25664  				b.resetWithControl(block.BlockARM64GT, v0)
 25665  				return true
 25666  			}
 25667  			break
 25668  		}
 25669  		// match: (GT (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 25670  		// cond: x.Uses == 1
 25671  		// result: (GT (TSTWconst [int32(c)] y) yes no)
 25672  		for b.Controls[0].Op == OpARM64CMPWconst {
 25673  			v_0 := b.Controls[0]
 25674  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25675  				break
 25676  			}
 25677  			x := v_0.Args[0]
 25678  			if x.Op != OpARM64ANDconst {
 25679  				break
 25680  			}
 25681  			c := auxIntToInt64(x.AuxInt)
 25682  			y := x.Args[0]
 25683  			if !(x.Uses == 1) {
 25684  				break
 25685  			}
 25686  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 25687  			v0.AuxInt = int32ToAuxInt(int32(c))
 25688  			v0.AddArg(y)
 25689  			b.resetWithControl(block.BlockARM64GT, v0)
 25690  			return true
 25691  		}
 25692  		// match: (GT (CMPconst [0] x:(ADDconst [c] y)) yes no)
 25693  		// cond: x.Uses == 1
 25694  		// result: (GTnoov (CMNconst [c] y) yes no)
 25695  		for b.Controls[0].Op == OpARM64CMPconst {
 25696  			v_0 := b.Controls[0]
 25697  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25698  				break
 25699  			}
 25700  			x := v_0.Args[0]
 25701  			if x.Op != OpARM64ADDconst {
 25702  				break
 25703  			}
 25704  			c := auxIntToInt64(x.AuxInt)
 25705  			y := x.Args[0]
 25706  			if !(x.Uses == 1) {
 25707  				break
 25708  			}
 25709  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 25710  			v0.AuxInt = int64ToAuxInt(c)
 25711  			v0.AddArg(y)
 25712  			b.resetWithControl(block.BlockARM64GTnoov, v0)
 25713  			return true
 25714  		}
 25715  		// match: (GT (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 25716  		// cond: x.Uses == 1
 25717  		// result: (GTnoov (CMNWconst [int32(c)] y) yes no)
 25718  		for b.Controls[0].Op == OpARM64CMPWconst {
 25719  			v_0 := b.Controls[0]
 25720  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25721  				break
 25722  			}
 25723  			x := v_0.Args[0]
 25724  			if x.Op != OpARM64ADDconst {
 25725  				break
 25726  			}
 25727  			c := auxIntToInt64(x.AuxInt)
 25728  			y := x.Args[0]
 25729  			if !(x.Uses == 1) {
 25730  				break
 25731  			}
 25732  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 25733  			v0.AuxInt = int32ToAuxInt(int32(c))
 25734  			v0.AddArg(y)
 25735  			b.resetWithControl(block.BlockARM64GTnoov, v0)
 25736  			return true
 25737  		}
 25738  		// match: (GT (CMPconst [0] z:(ADD x y)) yes no)
 25739  		// cond: z.Uses == 1
 25740  		// result: (GTnoov (CMN x y) yes no)
 25741  		for b.Controls[0].Op == OpARM64CMPconst {
 25742  			v_0 := b.Controls[0]
 25743  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25744  				break
 25745  			}
 25746  			z := v_0.Args[0]
 25747  			if z.Op != OpARM64ADD {
 25748  				break
 25749  			}
 25750  			_ = z.Args[1]
 25751  			z_0 := z.Args[0]
 25752  			z_1 := z.Args[1]
 25753  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25754  				x := z_0
 25755  				y := z_1
 25756  				if !(z.Uses == 1) {
 25757  					continue
 25758  				}
 25759  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25760  				v0.AddArg2(x, y)
 25761  				b.resetWithControl(block.BlockARM64GTnoov, v0)
 25762  				return true
 25763  			}
 25764  			break
 25765  		}
 25766  		// match: (GT (CMPWconst [0] z:(ADD x y)) yes no)
 25767  		// cond: z.Uses == 1
 25768  		// result: (GTnoov (CMNW x y) yes no)
 25769  		for b.Controls[0].Op == OpARM64CMPWconst {
 25770  			v_0 := b.Controls[0]
 25771  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25772  				break
 25773  			}
 25774  			z := v_0.Args[0]
 25775  			if z.Op != OpARM64ADD {
 25776  				break
 25777  			}
 25778  			_ = z.Args[1]
 25779  			z_0 := z.Args[0]
 25780  			z_1 := z.Args[1]
 25781  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25782  				x := z_0
 25783  				y := z_1
 25784  				if !(z.Uses == 1) {
 25785  					continue
 25786  				}
 25787  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25788  				v0.AddArg2(x, y)
 25789  				b.resetWithControl(block.BlockARM64GTnoov, v0)
 25790  				return true
 25791  			}
 25792  			break
 25793  		}
 25794  		// match: (GT (CMPconst [0] z:(MADD a x y)) yes no)
 25795  		// cond: z.Uses==1
 25796  		// result: (GTnoov (CMN a (MUL <x.Type> x y)) yes no)
 25797  		for b.Controls[0].Op == OpARM64CMPconst {
 25798  			v_0 := b.Controls[0]
 25799  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25800  				break
 25801  			}
 25802  			z := v_0.Args[0]
 25803  			if z.Op != OpARM64MADD {
 25804  				break
 25805  			}
 25806  			y := z.Args[2]
 25807  			a := z.Args[0]
 25808  			x := z.Args[1]
 25809  			if !(z.Uses == 1) {
 25810  				break
 25811  			}
 25812  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25813  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25814  			v1.AddArg2(x, y)
 25815  			v0.AddArg2(a, v1)
 25816  			b.resetWithControl(block.BlockARM64GTnoov, v0)
 25817  			return true
 25818  		}
 25819  		// match: (GT (CMPWconst [0] z:(MADDW a x y)) yes no)
 25820  		// cond: z.Uses==1
 25821  		// result: (GTnoov (CMNW a (MULW <x.Type> x y)) yes no)
 25822  		for b.Controls[0].Op == OpARM64CMPWconst {
 25823  			v_0 := b.Controls[0]
 25824  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25825  				break
 25826  			}
 25827  			z := v_0.Args[0]
 25828  			if z.Op != OpARM64MADDW {
 25829  				break
 25830  			}
 25831  			y := z.Args[2]
 25832  			a := z.Args[0]
 25833  			x := z.Args[1]
 25834  			if !(z.Uses == 1) {
 25835  				break
 25836  			}
 25837  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25838  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25839  			v1.AddArg2(x, y)
 25840  			v0.AddArg2(a, v1)
 25841  			b.resetWithControl(block.BlockARM64GTnoov, v0)
 25842  			return true
 25843  		}
 25844  		// match: (GT (FlagConstant [fc]) yes no)
 25845  		// cond: fc.gt()
 25846  		// result: (First yes no)
 25847  		for b.Controls[0].Op == OpARM64FlagConstant {
 25848  			v_0 := b.Controls[0]
 25849  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25850  			if !(fc.gt()) {
 25851  				break
 25852  			}
 25853  			b.Reset(block.BlockFirst)
 25854  			return true
 25855  		}
 25856  		// match: (GT (FlagConstant [fc]) yes no)
 25857  		// cond: !fc.gt()
 25858  		// result: (First no yes)
 25859  		for b.Controls[0].Op == OpARM64FlagConstant {
 25860  			v_0 := b.Controls[0]
 25861  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25862  			if !(!fc.gt()) {
 25863  				break
 25864  			}
 25865  			b.Reset(block.BlockFirst)
 25866  			b.swapSuccessors()
 25867  			return true
 25868  		}
 25869  		// match: (GT (InvertFlags cmp) yes no)
 25870  		// result: (LT cmp yes no)
 25871  		for b.Controls[0].Op == OpARM64InvertFlags {
 25872  			v_0 := b.Controls[0]
 25873  			cmp := v_0.Args[0]
 25874  			b.resetWithControl(block.BlockARM64LT, cmp)
 25875  			return true
 25876  		}
 25877  	case block.BlockARM64GTnoov:
 25878  		// match: (GTnoov (FlagConstant [fc]) yes no)
 25879  		// cond: fc.gtNoov()
 25880  		// result: (First yes no)
 25881  		for b.Controls[0].Op == OpARM64FlagConstant {
 25882  			v_0 := b.Controls[0]
 25883  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25884  			if !(fc.gtNoov()) {
 25885  				break
 25886  			}
 25887  			b.Reset(block.BlockFirst)
 25888  			return true
 25889  		}
 25890  		// match: (GTnoov (FlagConstant [fc]) yes no)
 25891  		// cond: !fc.gtNoov()
 25892  		// result: (First no yes)
 25893  		for b.Controls[0].Op == OpARM64FlagConstant {
 25894  			v_0 := b.Controls[0]
 25895  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25896  			if !(!fc.gtNoov()) {
 25897  				break
 25898  			}
 25899  			b.Reset(block.BlockFirst)
 25900  			b.swapSuccessors()
 25901  			return true
 25902  		}
 25903  	case block.BlockIf:
 25904  		// match: (If (Equal cc) yes no)
 25905  		// result: (EQ cc yes no)
 25906  		for b.Controls[0].Op == OpARM64Equal {
 25907  			v_0 := b.Controls[0]
 25908  			cc := v_0.Args[0]
 25909  			b.resetWithControl(block.BlockARM64EQ, cc)
 25910  			return true
 25911  		}
 25912  		// match: (If (NotEqual cc) yes no)
 25913  		// result: (NE cc yes no)
 25914  		for b.Controls[0].Op == OpARM64NotEqual {
 25915  			v_0 := b.Controls[0]
 25916  			cc := v_0.Args[0]
 25917  			b.resetWithControl(block.BlockARM64NE, cc)
 25918  			return true
 25919  		}
 25920  		// match: (If (LessThan cc) yes no)
 25921  		// result: (LT cc yes no)
 25922  		for b.Controls[0].Op == OpARM64LessThan {
 25923  			v_0 := b.Controls[0]
 25924  			cc := v_0.Args[0]
 25925  			b.resetWithControl(block.BlockARM64LT, cc)
 25926  			return true
 25927  		}
 25928  		// match: (If (LessThanU cc) yes no)
 25929  		// result: (ULT cc yes no)
 25930  		for b.Controls[0].Op == OpARM64LessThanU {
 25931  			v_0 := b.Controls[0]
 25932  			cc := v_0.Args[0]
 25933  			b.resetWithControl(block.BlockARM64ULT, cc)
 25934  			return true
 25935  		}
 25936  		// match: (If (LessEqual cc) yes no)
 25937  		// result: (LE cc yes no)
 25938  		for b.Controls[0].Op == OpARM64LessEqual {
 25939  			v_0 := b.Controls[0]
 25940  			cc := v_0.Args[0]
 25941  			b.resetWithControl(block.BlockARM64LE, cc)
 25942  			return true
 25943  		}
 25944  		// match: (If (LessEqualU cc) yes no)
 25945  		// result: (ULE cc yes no)
 25946  		for b.Controls[0].Op == OpARM64LessEqualU {
 25947  			v_0 := b.Controls[0]
 25948  			cc := v_0.Args[0]
 25949  			b.resetWithControl(block.BlockARM64ULE, cc)
 25950  			return true
 25951  		}
 25952  		// match: (If (GreaterThan cc) yes no)
 25953  		// result: (GT cc yes no)
 25954  		for b.Controls[0].Op == OpARM64GreaterThan {
 25955  			v_0 := b.Controls[0]
 25956  			cc := v_0.Args[0]
 25957  			b.resetWithControl(block.BlockARM64GT, cc)
 25958  			return true
 25959  		}
 25960  		// match: (If (GreaterThanU cc) yes no)
 25961  		// result: (UGT cc yes no)
 25962  		for b.Controls[0].Op == OpARM64GreaterThanU {
 25963  			v_0 := b.Controls[0]
 25964  			cc := v_0.Args[0]
 25965  			b.resetWithControl(block.BlockARM64UGT, cc)
 25966  			return true
 25967  		}
 25968  		// match: (If (GreaterEqual cc) yes no)
 25969  		// result: (GE cc yes no)
 25970  		for b.Controls[0].Op == OpARM64GreaterEqual {
 25971  			v_0 := b.Controls[0]
 25972  			cc := v_0.Args[0]
 25973  			b.resetWithControl(block.BlockARM64GE, cc)
 25974  			return true
 25975  		}
 25976  		// match: (If (GreaterEqualU cc) yes no)
 25977  		// result: (UGE cc yes no)
 25978  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 25979  			v_0 := b.Controls[0]
 25980  			cc := v_0.Args[0]
 25981  			b.resetWithControl(block.BlockARM64UGE, cc)
 25982  			return true
 25983  		}
 25984  		// match: (If (LessThanF cc) yes no)
 25985  		// result: (FLT cc yes no)
 25986  		for b.Controls[0].Op == OpARM64LessThanF {
 25987  			v_0 := b.Controls[0]
 25988  			cc := v_0.Args[0]
 25989  			b.resetWithControl(block.BlockARM64FLT, cc)
 25990  			return true
 25991  		}
 25992  		// match: (If (LessEqualF cc) yes no)
 25993  		// result: (FLE cc yes no)
 25994  		for b.Controls[0].Op == OpARM64LessEqualF {
 25995  			v_0 := b.Controls[0]
 25996  			cc := v_0.Args[0]
 25997  			b.resetWithControl(block.BlockARM64FLE, cc)
 25998  			return true
 25999  		}
 26000  		// match: (If (GreaterThanF cc) yes no)
 26001  		// result: (FGT cc yes no)
 26002  		for b.Controls[0].Op == OpARM64GreaterThanF {
 26003  			v_0 := b.Controls[0]
 26004  			cc := v_0.Args[0]
 26005  			b.resetWithControl(block.BlockARM64FGT, cc)
 26006  			return true
 26007  		}
 26008  		// match: (If (GreaterEqualF cc) yes no)
 26009  		// result: (FGE cc yes no)
 26010  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 26011  			v_0 := b.Controls[0]
 26012  			cc := v_0.Args[0]
 26013  			b.resetWithControl(block.BlockARM64FGE, cc)
 26014  			return true
 26015  		}
 26016  		// match: (If cond yes no)
 26017  		// result: (TBNZ [0] cond yes no)
 26018  		for {
 26019  			cond := b.Controls[0]
 26020  			b.resetWithControl(block.BlockARM64TBNZ, cond)
 26021  			b.AuxInt = int64ToAuxInt(0)
 26022  			return true
 26023  		}
 26024  	case block.BlockJumpTable:
 26025  		// match: (JumpTable idx)
 26026  		// result: (JUMPTABLE {makeJumpTableSym(b)} idx (MOVDaddr <typ.Uintptr> {makeJumpTableSym(b)} (SB)))
 26027  		for {
 26028  			idx := b.Controls[0]
 26029  			v0 := b.NewValue0(b.Pos, OpARM64MOVDaddr, typ.Uintptr)
 26030  			v0.Aux = symToAux(makeJumpTableSym(b))
 26031  			v1 := b.NewValue0(b.Pos, OpSB, typ.Uintptr)
 26032  			v0.AddArg(v1)
 26033  			b.resetWithControl2(block.BlockARM64JUMPTABLE, idx, v0)
 26034  			b.Aux = symToAux(makeJumpTableSym(b))
 26035  			return true
 26036  		}
 26037  	case block.BlockARM64LE:
 26038  		// match: (LE (CMPconst [0] z:(AND x y)) yes no)
 26039  		// cond: z.Uses == 1
 26040  		// result: (LE (TST x y) yes no)
 26041  		for b.Controls[0].Op == OpARM64CMPconst {
 26042  			v_0 := b.Controls[0]
 26043  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26044  				break
 26045  			}
 26046  			z := v_0.Args[0]
 26047  			if z.Op != OpARM64AND {
 26048  				break
 26049  			}
 26050  			_ = z.Args[1]
 26051  			z_0 := z.Args[0]
 26052  			z_1 := z.Args[1]
 26053  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26054  				x := z_0
 26055  				y := z_1
 26056  				if !(z.Uses == 1) {
 26057  					continue
 26058  				}
 26059  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 26060  				v0.AddArg2(x, y)
 26061  				b.resetWithControl(block.BlockARM64LE, v0)
 26062  				return true
 26063  			}
 26064  			break
 26065  		}
 26066  		// match: (LE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 26067  		// cond: x.Uses == 1
 26068  		// result: (LE (TSTconst [c] y) yes no)
 26069  		for b.Controls[0].Op == OpARM64CMPconst {
 26070  			v_0 := b.Controls[0]
 26071  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26072  				break
 26073  			}
 26074  			x := v_0.Args[0]
 26075  			if x.Op != OpARM64ANDconst {
 26076  				break
 26077  			}
 26078  			c := auxIntToInt64(x.AuxInt)
 26079  			y := x.Args[0]
 26080  			if !(x.Uses == 1) {
 26081  				break
 26082  			}
 26083  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 26084  			v0.AuxInt = int64ToAuxInt(c)
 26085  			v0.AddArg(y)
 26086  			b.resetWithControl(block.BlockARM64LE, v0)
 26087  			return true
 26088  		}
 26089  		// match: (LE (CMPWconst [0] z:(AND x y)) yes no)
 26090  		// cond: z.Uses == 1
 26091  		// result: (LE (TSTW x y) yes no)
 26092  		for b.Controls[0].Op == OpARM64CMPWconst {
 26093  			v_0 := b.Controls[0]
 26094  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26095  				break
 26096  			}
 26097  			z := v_0.Args[0]
 26098  			if z.Op != OpARM64AND {
 26099  				break
 26100  			}
 26101  			_ = z.Args[1]
 26102  			z_0 := z.Args[0]
 26103  			z_1 := z.Args[1]
 26104  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26105  				x := z_0
 26106  				y := z_1
 26107  				if !(z.Uses == 1) {
 26108  					continue
 26109  				}
 26110  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 26111  				v0.AddArg2(x, y)
 26112  				b.resetWithControl(block.BlockARM64LE, v0)
 26113  				return true
 26114  			}
 26115  			break
 26116  		}
 26117  		// match: (LE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 26118  		// cond: x.Uses == 1
 26119  		// result: (LE (TSTWconst [int32(c)] y) yes no)
 26120  		for b.Controls[0].Op == OpARM64CMPWconst {
 26121  			v_0 := b.Controls[0]
 26122  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26123  				break
 26124  			}
 26125  			x := v_0.Args[0]
 26126  			if x.Op != OpARM64ANDconst {
 26127  				break
 26128  			}
 26129  			c := auxIntToInt64(x.AuxInt)
 26130  			y := x.Args[0]
 26131  			if !(x.Uses == 1) {
 26132  				break
 26133  			}
 26134  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 26135  			v0.AuxInt = int32ToAuxInt(int32(c))
 26136  			v0.AddArg(y)
 26137  			b.resetWithControl(block.BlockARM64LE, v0)
 26138  			return true
 26139  		}
 26140  		// match: (LE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 26141  		// cond: x.Uses == 1
 26142  		// result: (LEnoov (CMNconst [c] y) yes no)
 26143  		for b.Controls[0].Op == OpARM64CMPconst {
 26144  			v_0 := b.Controls[0]
 26145  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26146  				break
 26147  			}
 26148  			x := v_0.Args[0]
 26149  			if x.Op != OpARM64ADDconst {
 26150  				break
 26151  			}
 26152  			c := auxIntToInt64(x.AuxInt)
 26153  			y := x.Args[0]
 26154  			if !(x.Uses == 1) {
 26155  				break
 26156  			}
 26157  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 26158  			v0.AuxInt = int64ToAuxInt(c)
 26159  			v0.AddArg(y)
 26160  			b.resetWithControl(block.BlockARM64LEnoov, v0)
 26161  			return true
 26162  		}
 26163  		// match: (LE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 26164  		// cond: x.Uses == 1
 26165  		// result: (LEnoov (CMNWconst [int32(c)] y) yes no)
 26166  		for b.Controls[0].Op == OpARM64CMPWconst {
 26167  			v_0 := b.Controls[0]
 26168  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26169  				break
 26170  			}
 26171  			x := v_0.Args[0]
 26172  			if x.Op != OpARM64ADDconst {
 26173  				break
 26174  			}
 26175  			c := auxIntToInt64(x.AuxInt)
 26176  			y := x.Args[0]
 26177  			if !(x.Uses == 1) {
 26178  				break
 26179  			}
 26180  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 26181  			v0.AuxInt = int32ToAuxInt(int32(c))
 26182  			v0.AddArg(y)
 26183  			b.resetWithControl(block.BlockARM64LEnoov, v0)
 26184  			return true
 26185  		}
 26186  		// match: (LE (CMPconst [0] z:(ADD x y)) yes no)
 26187  		// cond: z.Uses == 1
 26188  		// result: (LEnoov (CMN x y) yes no)
 26189  		for b.Controls[0].Op == OpARM64CMPconst {
 26190  			v_0 := b.Controls[0]
 26191  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26192  				break
 26193  			}
 26194  			z := v_0.Args[0]
 26195  			if z.Op != OpARM64ADD {
 26196  				break
 26197  			}
 26198  			_ = z.Args[1]
 26199  			z_0 := z.Args[0]
 26200  			z_1 := z.Args[1]
 26201  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26202  				x := z_0
 26203  				y := z_1
 26204  				if !(z.Uses == 1) {
 26205  					continue
 26206  				}
 26207  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26208  				v0.AddArg2(x, y)
 26209  				b.resetWithControl(block.BlockARM64LEnoov, v0)
 26210  				return true
 26211  			}
 26212  			break
 26213  		}
 26214  		// match: (LE (CMPWconst [0] z:(ADD x y)) yes no)
 26215  		// cond: z.Uses == 1
 26216  		// result: (LEnoov (CMNW x y) yes no)
 26217  		for b.Controls[0].Op == OpARM64CMPWconst {
 26218  			v_0 := b.Controls[0]
 26219  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26220  				break
 26221  			}
 26222  			z := v_0.Args[0]
 26223  			if z.Op != OpARM64ADD {
 26224  				break
 26225  			}
 26226  			_ = z.Args[1]
 26227  			z_0 := z.Args[0]
 26228  			z_1 := z.Args[1]
 26229  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26230  				x := z_0
 26231  				y := z_1
 26232  				if !(z.Uses == 1) {
 26233  					continue
 26234  				}
 26235  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26236  				v0.AddArg2(x, y)
 26237  				b.resetWithControl(block.BlockARM64LEnoov, v0)
 26238  				return true
 26239  			}
 26240  			break
 26241  		}
 26242  		// match: (LE (CMPconst [0] z:(MADD a x y)) yes no)
 26243  		// cond: z.Uses==1
 26244  		// result: (LEnoov (CMN a (MUL <x.Type> x y)) yes no)
 26245  		for b.Controls[0].Op == OpARM64CMPconst {
 26246  			v_0 := b.Controls[0]
 26247  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26248  				break
 26249  			}
 26250  			z := v_0.Args[0]
 26251  			if z.Op != OpARM64MADD {
 26252  				break
 26253  			}
 26254  			y := z.Args[2]
 26255  			a := z.Args[0]
 26256  			x := z.Args[1]
 26257  			if !(z.Uses == 1) {
 26258  				break
 26259  			}
 26260  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26261  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 26262  			v1.AddArg2(x, y)
 26263  			v0.AddArg2(a, v1)
 26264  			b.resetWithControl(block.BlockARM64LEnoov, v0)
 26265  			return true
 26266  		}
 26267  		// match: (LE (CMPWconst [0] z:(MADDW a x y)) yes no)
 26268  		// cond: z.Uses==1
 26269  		// result: (LEnoov (CMNW a (MULW <x.Type> x y)) yes no)
 26270  		for b.Controls[0].Op == OpARM64CMPWconst {
 26271  			v_0 := b.Controls[0]
 26272  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26273  				break
 26274  			}
 26275  			z := v_0.Args[0]
 26276  			if z.Op != OpARM64MADDW {
 26277  				break
 26278  			}
 26279  			y := z.Args[2]
 26280  			a := z.Args[0]
 26281  			x := z.Args[1]
 26282  			if !(z.Uses == 1) {
 26283  				break
 26284  			}
 26285  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26286  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 26287  			v1.AddArg2(x, y)
 26288  			v0.AddArg2(a, v1)
 26289  			b.resetWithControl(block.BlockARM64LEnoov, v0)
 26290  			return true
 26291  		}
 26292  		// match: (LE (FlagConstant [fc]) yes no)
 26293  		// cond: fc.le()
 26294  		// result: (First yes no)
 26295  		for b.Controls[0].Op == OpARM64FlagConstant {
 26296  			v_0 := b.Controls[0]
 26297  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26298  			if !(fc.le()) {
 26299  				break
 26300  			}
 26301  			b.Reset(block.BlockFirst)
 26302  			return true
 26303  		}
 26304  		// match: (LE (FlagConstant [fc]) yes no)
 26305  		// cond: !fc.le()
 26306  		// result: (First no yes)
 26307  		for b.Controls[0].Op == OpARM64FlagConstant {
 26308  			v_0 := b.Controls[0]
 26309  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26310  			if !(!fc.le()) {
 26311  				break
 26312  			}
 26313  			b.Reset(block.BlockFirst)
 26314  			b.swapSuccessors()
 26315  			return true
 26316  		}
 26317  		// match: (LE (InvertFlags cmp) yes no)
 26318  		// result: (GE cmp yes no)
 26319  		for b.Controls[0].Op == OpARM64InvertFlags {
 26320  			v_0 := b.Controls[0]
 26321  			cmp := v_0.Args[0]
 26322  			b.resetWithControl(block.BlockARM64GE, cmp)
 26323  			return true
 26324  		}
 26325  	case block.BlockARM64LEnoov:
 26326  		// match: (LEnoov (FlagConstant [fc]) yes no)
 26327  		// cond: fc.leNoov()
 26328  		// result: (First yes no)
 26329  		for b.Controls[0].Op == OpARM64FlagConstant {
 26330  			v_0 := b.Controls[0]
 26331  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26332  			if !(fc.leNoov()) {
 26333  				break
 26334  			}
 26335  			b.Reset(block.BlockFirst)
 26336  			return true
 26337  		}
 26338  		// match: (LEnoov (FlagConstant [fc]) yes no)
 26339  		// cond: !fc.leNoov()
 26340  		// result: (First no yes)
 26341  		for b.Controls[0].Op == OpARM64FlagConstant {
 26342  			v_0 := b.Controls[0]
 26343  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26344  			if !(!fc.leNoov()) {
 26345  				break
 26346  			}
 26347  			b.Reset(block.BlockFirst)
 26348  			b.swapSuccessors()
 26349  			return true
 26350  		}
 26351  	case block.BlockARM64LT:
 26352  		// match: (LT (CMPconst [0] z:(AND x y)) yes no)
 26353  		// cond: z.Uses == 1
 26354  		// result: (LT (TST x y) yes no)
 26355  		for b.Controls[0].Op == OpARM64CMPconst {
 26356  			v_0 := b.Controls[0]
 26357  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26358  				break
 26359  			}
 26360  			z := v_0.Args[0]
 26361  			if z.Op != OpARM64AND {
 26362  				break
 26363  			}
 26364  			_ = z.Args[1]
 26365  			z_0 := z.Args[0]
 26366  			z_1 := z.Args[1]
 26367  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26368  				x := z_0
 26369  				y := z_1
 26370  				if !(z.Uses == 1) {
 26371  					continue
 26372  				}
 26373  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 26374  				v0.AddArg2(x, y)
 26375  				b.resetWithControl(block.BlockARM64LT, v0)
 26376  				return true
 26377  			}
 26378  			break
 26379  		}
 26380  		// match: (LT (CMPconst [0] x:(ANDconst [c] y)) yes no)
 26381  		// cond: x.Uses == 1
 26382  		// result: (LT (TSTconst [c] y) yes no)
 26383  		for b.Controls[0].Op == OpARM64CMPconst {
 26384  			v_0 := b.Controls[0]
 26385  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26386  				break
 26387  			}
 26388  			x := v_0.Args[0]
 26389  			if x.Op != OpARM64ANDconst {
 26390  				break
 26391  			}
 26392  			c := auxIntToInt64(x.AuxInt)
 26393  			y := x.Args[0]
 26394  			if !(x.Uses == 1) {
 26395  				break
 26396  			}
 26397  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 26398  			v0.AuxInt = int64ToAuxInt(c)
 26399  			v0.AddArg(y)
 26400  			b.resetWithControl(block.BlockARM64LT, v0)
 26401  			return true
 26402  		}
 26403  		// match: (LT (CMPWconst [0] z:(AND x y)) yes no)
 26404  		// cond: z.Uses == 1
 26405  		// result: (LT (TSTW x y) yes no)
 26406  		for b.Controls[0].Op == OpARM64CMPWconst {
 26407  			v_0 := b.Controls[0]
 26408  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26409  				break
 26410  			}
 26411  			z := v_0.Args[0]
 26412  			if z.Op != OpARM64AND {
 26413  				break
 26414  			}
 26415  			_ = z.Args[1]
 26416  			z_0 := z.Args[0]
 26417  			z_1 := z.Args[1]
 26418  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26419  				x := z_0
 26420  				y := z_1
 26421  				if !(z.Uses == 1) {
 26422  					continue
 26423  				}
 26424  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 26425  				v0.AddArg2(x, y)
 26426  				b.resetWithControl(block.BlockARM64LT, v0)
 26427  				return true
 26428  			}
 26429  			break
 26430  		}
 26431  		// match: (LT (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 26432  		// cond: x.Uses == 1
 26433  		// result: (LT (TSTWconst [int32(c)] y) yes no)
 26434  		for b.Controls[0].Op == OpARM64CMPWconst {
 26435  			v_0 := b.Controls[0]
 26436  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26437  				break
 26438  			}
 26439  			x := v_0.Args[0]
 26440  			if x.Op != OpARM64ANDconst {
 26441  				break
 26442  			}
 26443  			c := auxIntToInt64(x.AuxInt)
 26444  			y := x.Args[0]
 26445  			if !(x.Uses == 1) {
 26446  				break
 26447  			}
 26448  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 26449  			v0.AuxInt = int32ToAuxInt(int32(c))
 26450  			v0.AddArg(y)
 26451  			b.resetWithControl(block.BlockARM64LT, v0)
 26452  			return true
 26453  		}
 26454  		// match: (LT (CMPconst [0] x:(ADDconst [c] y)) yes no)
 26455  		// cond: x.Uses == 1
 26456  		// result: (LTnoov (CMNconst [c] y) yes no)
 26457  		for b.Controls[0].Op == OpARM64CMPconst {
 26458  			v_0 := b.Controls[0]
 26459  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26460  				break
 26461  			}
 26462  			x := v_0.Args[0]
 26463  			if x.Op != OpARM64ADDconst {
 26464  				break
 26465  			}
 26466  			c := auxIntToInt64(x.AuxInt)
 26467  			y := x.Args[0]
 26468  			if !(x.Uses == 1) {
 26469  				break
 26470  			}
 26471  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 26472  			v0.AuxInt = int64ToAuxInt(c)
 26473  			v0.AddArg(y)
 26474  			b.resetWithControl(block.BlockARM64LTnoov, v0)
 26475  			return true
 26476  		}
 26477  		// match: (LT (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 26478  		// cond: x.Uses == 1
 26479  		// result: (LTnoov (CMNWconst [int32(c)] y) yes no)
 26480  		for b.Controls[0].Op == OpARM64CMPWconst {
 26481  			v_0 := b.Controls[0]
 26482  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26483  				break
 26484  			}
 26485  			x := v_0.Args[0]
 26486  			if x.Op != OpARM64ADDconst {
 26487  				break
 26488  			}
 26489  			c := auxIntToInt64(x.AuxInt)
 26490  			y := x.Args[0]
 26491  			if !(x.Uses == 1) {
 26492  				break
 26493  			}
 26494  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 26495  			v0.AuxInt = int32ToAuxInt(int32(c))
 26496  			v0.AddArg(y)
 26497  			b.resetWithControl(block.BlockARM64LTnoov, v0)
 26498  			return true
 26499  		}
 26500  		// match: (LT (CMPconst [0] z:(ADD x y)) yes no)
 26501  		// cond: z.Uses == 1
 26502  		// result: (LTnoov (CMN x y) yes no)
 26503  		for b.Controls[0].Op == OpARM64CMPconst {
 26504  			v_0 := b.Controls[0]
 26505  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26506  				break
 26507  			}
 26508  			z := v_0.Args[0]
 26509  			if z.Op != OpARM64ADD {
 26510  				break
 26511  			}
 26512  			_ = z.Args[1]
 26513  			z_0 := z.Args[0]
 26514  			z_1 := z.Args[1]
 26515  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26516  				x := z_0
 26517  				y := z_1
 26518  				if !(z.Uses == 1) {
 26519  					continue
 26520  				}
 26521  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26522  				v0.AddArg2(x, y)
 26523  				b.resetWithControl(block.BlockARM64LTnoov, v0)
 26524  				return true
 26525  			}
 26526  			break
 26527  		}
 26528  		// match: (LT (CMPWconst [0] z:(ADD x y)) yes no)
 26529  		// cond: z.Uses == 1
 26530  		// result: (LTnoov (CMNW x y) yes no)
 26531  		for b.Controls[0].Op == OpARM64CMPWconst {
 26532  			v_0 := b.Controls[0]
 26533  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26534  				break
 26535  			}
 26536  			z := v_0.Args[0]
 26537  			if z.Op != OpARM64ADD {
 26538  				break
 26539  			}
 26540  			_ = z.Args[1]
 26541  			z_0 := z.Args[0]
 26542  			z_1 := z.Args[1]
 26543  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26544  				x := z_0
 26545  				y := z_1
 26546  				if !(z.Uses == 1) {
 26547  					continue
 26548  				}
 26549  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26550  				v0.AddArg2(x, y)
 26551  				b.resetWithControl(block.BlockARM64LTnoov, v0)
 26552  				return true
 26553  			}
 26554  			break
 26555  		}
 26556  		// match: (LT (CMPconst [0] z:(MADD a x y)) yes no)
 26557  		// cond: z.Uses==1
 26558  		// result: (LTnoov (CMN a (MUL <x.Type> x y)) yes no)
 26559  		for b.Controls[0].Op == OpARM64CMPconst {
 26560  			v_0 := b.Controls[0]
 26561  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26562  				break
 26563  			}
 26564  			z := v_0.Args[0]
 26565  			if z.Op != OpARM64MADD {
 26566  				break
 26567  			}
 26568  			y := z.Args[2]
 26569  			a := z.Args[0]
 26570  			x := z.Args[1]
 26571  			if !(z.Uses == 1) {
 26572  				break
 26573  			}
 26574  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26575  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 26576  			v1.AddArg2(x, y)
 26577  			v0.AddArg2(a, v1)
 26578  			b.resetWithControl(block.BlockARM64LTnoov, v0)
 26579  			return true
 26580  		}
 26581  		// match: (LT (CMPWconst [0] z:(MADDW a x y)) yes no)
 26582  		// cond: z.Uses==1
 26583  		// result: (LTnoov (CMNW a (MULW <x.Type> x y)) yes no)
 26584  		for b.Controls[0].Op == OpARM64CMPWconst {
 26585  			v_0 := b.Controls[0]
 26586  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26587  				break
 26588  			}
 26589  			z := v_0.Args[0]
 26590  			if z.Op != OpARM64MADDW {
 26591  				break
 26592  			}
 26593  			y := z.Args[2]
 26594  			a := z.Args[0]
 26595  			x := z.Args[1]
 26596  			if !(z.Uses == 1) {
 26597  				break
 26598  			}
 26599  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26600  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 26601  			v1.AddArg2(x, y)
 26602  			v0.AddArg2(a, v1)
 26603  			b.resetWithControl(block.BlockARM64LTnoov, v0)
 26604  			return true
 26605  		}
 26606  		// match: (LT (CMPWconst [0] x) yes no)
 26607  		// result: (TBNZ [31] x yes no)
 26608  		for b.Controls[0].Op == OpARM64CMPWconst {
 26609  			v_0 := b.Controls[0]
 26610  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26611  				break
 26612  			}
 26613  			x := v_0.Args[0]
 26614  			b.resetWithControl(block.BlockARM64TBNZ, x)
 26615  			b.AuxInt = int64ToAuxInt(31)
 26616  			return true
 26617  		}
 26618  		// match: (LT (CMPconst [0] x) yes no)
 26619  		// result: (TBNZ [63] x yes no)
 26620  		for b.Controls[0].Op == OpARM64CMPconst {
 26621  			v_0 := b.Controls[0]
 26622  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26623  				break
 26624  			}
 26625  			x := v_0.Args[0]
 26626  			b.resetWithControl(block.BlockARM64TBNZ, x)
 26627  			b.AuxInt = int64ToAuxInt(63)
 26628  			return true
 26629  		}
 26630  		// match: (LT (CMPWconst [128] x) yes no)
 26631  		// cond: ZeroUpper56Bits(x)
 26632  		// result: (TBZ [7] x yes no)
 26633  		for b.Controls[0].Op == OpARM64CMPWconst {
 26634  			v_0 := b.Controls[0]
 26635  			if auxIntToInt32(v_0.AuxInt) != 128 {
 26636  				break
 26637  			}
 26638  			x := v_0.Args[0]
 26639  			if !(ZeroUpper56Bits(x)) {
 26640  				break
 26641  			}
 26642  			b.resetWithControl(block.BlockARM64TBZ, x)
 26643  			b.AuxInt = int64ToAuxInt(7)
 26644  			return true
 26645  		}
 26646  		// match: (LT (CMPconst [128] x) yes no)
 26647  		// cond: ZeroUpper56Bits(x)
 26648  		// result: (TBZ [7] x yes no)
 26649  		for b.Controls[0].Op == OpARM64CMPconst {
 26650  			v_0 := b.Controls[0]
 26651  			if auxIntToInt64(v_0.AuxInt) != 128 {
 26652  				break
 26653  			}
 26654  			x := v_0.Args[0]
 26655  			if !(ZeroUpper56Bits(x)) {
 26656  				break
 26657  			}
 26658  			b.resetWithControl(block.BlockARM64TBZ, x)
 26659  			b.AuxInt = int64ToAuxInt(7)
 26660  			return true
 26661  		}
 26662  		// match: (LT (FlagConstant [fc]) yes no)
 26663  		// cond: fc.lt()
 26664  		// result: (First yes no)
 26665  		for b.Controls[0].Op == OpARM64FlagConstant {
 26666  			v_0 := b.Controls[0]
 26667  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26668  			if !(fc.lt()) {
 26669  				break
 26670  			}
 26671  			b.Reset(block.BlockFirst)
 26672  			return true
 26673  		}
 26674  		// match: (LT (FlagConstant [fc]) yes no)
 26675  		// cond: !fc.lt()
 26676  		// result: (First no yes)
 26677  		for b.Controls[0].Op == OpARM64FlagConstant {
 26678  			v_0 := b.Controls[0]
 26679  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26680  			if !(!fc.lt()) {
 26681  				break
 26682  			}
 26683  			b.Reset(block.BlockFirst)
 26684  			b.swapSuccessors()
 26685  			return true
 26686  		}
 26687  		// match: (LT (InvertFlags cmp) yes no)
 26688  		// result: (GT cmp yes no)
 26689  		for b.Controls[0].Op == OpARM64InvertFlags {
 26690  			v_0 := b.Controls[0]
 26691  			cmp := v_0.Args[0]
 26692  			b.resetWithControl(block.BlockARM64GT, cmp)
 26693  			return true
 26694  		}
 26695  	case block.BlockARM64LTnoov:
 26696  		// match: (LTnoov (FlagConstant [fc]) yes no)
 26697  		// cond: fc.ltNoov()
 26698  		// result: (First yes no)
 26699  		for b.Controls[0].Op == OpARM64FlagConstant {
 26700  			v_0 := b.Controls[0]
 26701  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26702  			if !(fc.ltNoov()) {
 26703  				break
 26704  			}
 26705  			b.Reset(block.BlockFirst)
 26706  			return true
 26707  		}
 26708  		// match: (LTnoov (FlagConstant [fc]) yes no)
 26709  		// cond: !fc.ltNoov()
 26710  		// result: (First no yes)
 26711  		for b.Controls[0].Op == OpARM64FlagConstant {
 26712  			v_0 := b.Controls[0]
 26713  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26714  			if !(!fc.ltNoov()) {
 26715  				break
 26716  			}
 26717  			b.Reset(block.BlockFirst)
 26718  			b.swapSuccessors()
 26719  			return true
 26720  		}
 26721  	case block.BlockARM64NE:
 26722  		// match: (NE (CMPconst [0] z:(AND x y)) yes no)
 26723  		// cond: z.Uses == 1
 26724  		// result: (NE (TST x y) yes no)
 26725  		for b.Controls[0].Op == OpARM64CMPconst {
 26726  			v_0 := b.Controls[0]
 26727  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26728  				break
 26729  			}
 26730  			z := v_0.Args[0]
 26731  			if z.Op != OpARM64AND {
 26732  				break
 26733  			}
 26734  			_ = z.Args[1]
 26735  			z_0 := z.Args[0]
 26736  			z_1 := z.Args[1]
 26737  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26738  				x := z_0
 26739  				y := z_1
 26740  				if !(z.Uses == 1) {
 26741  					continue
 26742  				}
 26743  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 26744  				v0.AddArg2(x, y)
 26745  				b.resetWithControl(block.BlockARM64NE, v0)
 26746  				return true
 26747  			}
 26748  			break
 26749  		}
 26750  		// match: (NE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 26751  		// cond: x.Uses == 1
 26752  		// result: (NE (TSTconst [c] y) yes no)
 26753  		for b.Controls[0].Op == OpARM64CMPconst {
 26754  			v_0 := b.Controls[0]
 26755  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26756  				break
 26757  			}
 26758  			x := v_0.Args[0]
 26759  			if x.Op != OpARM64ANDconst {
 26760  				break
 26761  			}
 26762  			c := auxIntToInt64(x.AuxInt)
 26763  			y := x.Args[0]
 26764  			if !(x.Uses == 1) {
 26765  				break
 26766  			}
 26767  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 26768  			v0.AuxInt = int64ToAuxInt(c)
 26769  			v0.AddArg(y)
 26770  			b.resetWithControl(block.BlockARM64NE, v0)
 26771  			return true
 26772  		}
 26773  		// match: (NE (CMPWconst [0] z:(AND x y)) yes no)
 26774  		// cond: z.Uses == 1
 26775  		// result: (NE (TSTW x y) yes no)
 26776  		for b.Controls[0].Op == OpARM64CMPWconst {
 26777  			v_0 := b.Controls[0]
 26778  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26779  				break
 26780  			}
 26781  			z := v_0.Args[0]
 26782  			if z.Op != OpARM64AND {
 26783  				break
 26784  			}
 26785  			_ = z.Args[1]
 26786  			z_0 := z.Args[0]
 26787  			z_1 := z.Args[1]
 26788  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26789  				x := z_0
 26790  				y := z_1
 26791  				if !(z.Uses == 1) {
 26792  					continue
 26793  				}
 26794  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 26795  				v0.AddArg2(x, y)
 26796  				b.resetWithControl(block.BlockARM64NE, v0)
 26797  				return true
 26798  			}
 26799  			break
 26800  		}
 26801  		// match: (NE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 26802  		// cond: x.Uses == 1
 26803  		// result: (NE (TSTWconst [int32(c)] y) yes no)
 26804  		for b.Controls[0].Op == OpARM64CMPWconst {
 26805  			v_0 := b.Controls[0]
 26806  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26807  				break
 26808  			}
 26809  			x := v_0.Args[0]
 26810  			if x.Op != OpARM64ANDconst {
 26811  				break
 26812  			}
 26813  			c := auxIntToInt64(x.AuxInt)
 26814  			y := x.Args[0]
 26815  			if !(x.Uses == 1) {
 26816  				break
 26817  			}
 26818  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 26819  			v0.AuxInt = int32ToAuxInt(int32(c))
 26820  			v0.AddArg(y)
 26821  			b.resetWithControl(block.BlockARM64NE, v0)
 26822  			return true
 26823  		}
 26824  		// match: (NE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 26825  		// cond: x.Uses == 1
 26826  		// result: (NE (CMNconst [c] y) yes no)
 26827  		for b.Controls[0].Op == OpARM64CMPconst {
 26828  			v_0 := b.Controls[0]
 26829  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26830  				break
 26831  			}
 26832  			x := v_0.Args[0]
 26833  			if x.Op != OpARM64ADDconst {
 26834  				break
 26835  			}
 26836  			c := auxIntToInt64(x.AuxInt)
 26837  			y := x.Args[0]
 26838  			if !(x.Uses == 1) {
 26839  				break
 26840  			}
 26841  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 26842  			v0.AuxInt = int64ToAuxInt(c)
 26843  			v0.AddArg(y)
 26844  			b.resetWithControl(block.BlockARM64NE, v0)
 26845  			return true
 26846  		}
 26847  		// match: (NE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 26848  		// cond: x.Uses == 1
 26849  		// result: (NE (CMNWconst [int32(c)] y) yes no)
 26850  		for b.Controls[0].Op == OpARM64CMPWconst {
 26851  			v_0 := b.Controls[0]
 26852  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26853  				break
 26854  			}
 26855  			x := v_0.Args[0]
 26856  			if x.Op != OpARM64ADDconst {
 26857  				break
 26858  			}
 26859  			c := auxIntToInt64(x.AuxInt)
 26860  			y := x.Args[0]
 26861  			if !(x.Uses == 1) {
 26862  				break
 26863  			}
 26864  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 26865  			v0.AuxInt = int32ToAuxInt(int32(c))
 26866  			v0.AddArg(y)
 26867  			b.resetWithControl(block.BlockARM64NE, v0)
 26868  			return true
 26869  		}
 26870  		// match: (NE (CMPconst [0] z:(ADD x y)) yes no)
 26871  		// cond: z.Uses == 1
 26872  		// result: (NE (CMN x y) yes no)
 26873  		for b.Controls[0].Op == OpARM64CMPconst {
 26874  			v_0 := b.Controls[0]
 26875  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26876  				break
 26877  			}
 26878  			z := v_0.Args[0]
 26879  			if z.Op != OpARM64ADD {
 26880  				break
 26881  			}
 26882  			_ = z.Args[1]
 26883  			z_0 := z.Args[0]
 26884  			z_1 := z.Args[1]
 26885  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26886  				x := z_0
 26887  				y := z_1
 26888  				if !(z.Uses == 1) {
 26889  					continue
 26890  				}
 26891  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26892  				v0.AddArg2(x, y)
 26893  				b.resetWithControl(block.BlockARM64NE, v0)
 26894  				return true
 26895  			}
 26896  			break
 26897  		}
 26898  		// match: (NE (CMPWconst [0] z:(ADD x y)) yes no)
 26899  		// cond: z.Uses == 1
 26900  		// result: (NE (CMNW x y) yes no)
 26901  		for b.Controls[0].Op == OpARM64CMPWconst {
 26902  			v_0 := b.Controls[0]
 26903  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26904  				break
 26905  			}
 26906  			z := v_0.Args[0]
 26907  			if z.Op != OpARM64ADD {
 26908  				break
 26909  			}
 26910  			_ = z.Args[1]
 26911  			z_0 := z.Args[0]
 26912  			z_1 := z.Args[1]
 26913  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26914  				x := z_0
 26915  				y := z_1
 26916  				if !(z.Uses == 1) {
 26917  					continue
 26918  				}
 26919  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26920  				v0.AddArg2(x, y)
 26921  				b.resetWithControl(block.BlockARM64NE, v0)
 26922  				return true
 26923  			}
 26924  			break
 26925  		}
 26926  		// match: (NE (CMP x z:(NEG y)) yes no)
 26927  		// cond: z.Uses == 1
 26928  		// result: (NE (CMN x y) yes no)
 26929  		for b.Controls[0].Op == OpARM64CMP {
 26930  			v_0 := b.Controls[0]
 26931  			_ = v_0.Args[1]
 26932  			x := v_0.Args[0]
 26933  			z := v_0.Args[1]
 26934  			if z.Op != OpARM64NEG {
 26935  				break
 26936  			}
 26937  			y := z.Args[0]
 26938  			if !(z.Uses == 1) {
 26939  				break
 26940  			}
 26941  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26942  			v0.AddArg2(x, y)
 26943  			b.resetWithControl(block.BlockARM64NE, v0)
 26944  			return true
 26945  		}
 26946  		// match: (NE (CMPW x z:(NEG y)) yes no)
 26947  		// cond: z.Uses == 1
 26948  		// result: (NE (CMNW x y) yes no)
 26949  		for b.Controls[0].Op == OpARM64CMPW {
 26950  			v_0 := b.Controls[0]
 26951  			_ = v_0.Args[1]
 26952  			x := v_0.Args[0]
 26953  			z := v_0.Args[1]
 26954  			if z.Op != OpARM64NEG {
 26955  				break
 26956  			}
 26957  			y := z.Args[0]
 26958  			if !(z.Uses == 1) {
 26959  				break
 26960  			}
 26961  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26962  			v0.AddArg2(x, y)
 26963  			b.resetWithControl(block.BlockARM64NE, v0)
 26964  			return true
 26965  		}
 26966  		// match: (NE (CMPconst [0] x) yes no)
 26967  		// result: (NZ x yes no)
 26968  		for b.Controls[0].Op == OpARM64CMPconst {
 26969  			v_0 := b.Controls[0]
 26970  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26971  				break
 26972  			}
 26973  			x := v_0.Args[0]
 26974  			b.resetWithControl(block.BlockARM64NZ, x)
 26975  			return true
 26976  		}
 26977  		// match: (NE (CMPWconst [0] x) yes no)
 26978  		// result: (NZW x yes no)
 26979  		for b.Controls[0].Op == OpARM64CMPWconst {
 26980  			v_0 := b.Controls[0]
 26981  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26982  				break
 26983  			}
 26984  			x := v_0.Args[0]
 26985  			b.resetWithControl(block.BlockARM64NZW, x)
 26986  			return true
 26987  		}
 26988  		// match: (NE (CMPconst [0] z:(MADD a x y)) yes no)
 26989  		// cond: z.Uses==1
 26990  		// result: (NE (CMN a (MUL <x.Type> x y)) yes no)
 26991  		for b.Controls[0].Op == OpARM64CMPconst {
 26992  			v_0 := b.Controls[0]
 26993  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26994  				break
 26995  			}
 26996  			z := v_0.Args[0]
 26997  			if z.Op != OpARM64MADD {
 26998  				break
 26999  			}
 27000  			y := z.Args[2]
 27001  			a := z.Args[0]
 27002  			x := z.Args[1]
 27003  			if !(z.Uses == 1) {
 27004  				break
 27005  			}
 27006  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 27007  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 27008  			v1.AddArg2(x, y)
 27009  			v0.AddArg2(a, v1)
 27010  			b.resetWithControl(block.BlockARM64NE, v0)
 27011  			return true
 27012  		}
 27013  		// match: (NE (CMPWconst [0] z:(MADDW a x y)) yes no)
 27014  		// cond: z.Uses==1
 27015  		// result: (NE (CMNW a (MULW <x.Type> x y)) yes no)
 27016  		for b.Controls[0].Op == OpARM64CMPWconst {
 27017  			v_0 := b.Controls[0]
 27018  			if auxIntToInt32(v_0.AuxInt) != 0 {
 27019  				break
 27020  			}
 27021  			z := v_0.Args[0]
 27022  			if z.Op != OpARM64MADDW {
 27023  				break
 27024  			}
 27025  			y := z.Args[2]
 27026  			a := z.Args[0]
 27027  			x := z.Args[1]
 27028  			if !(z.Uses == 1) {
 27029  				break
 27030  			}
 27031  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 27032  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 27033  			v1.AddArg2(x, y)
 27034  			v0.AddArg2(a, v1)
 27035  			b.resetWithControl(block.BlockARM64NE, v0)
 27036  			return true
 27037  		}
 27038  		// match: (NE (CMPconst [0] z:(MSUB a x y)) yes no)
 27039  		// cond: z.Uses==1
 27040  		// result: (NE (CMP a (MUL <x.Type> x y)) yes no)
 27041  		for b.Controls[0].Op == OpARM64CMPconst {
 27042  			v_0 := b.Controls[0]
 27043  			if auxIntToInt64(v_0.AuxInt) != 0 {
 27044  				break
 27045  			}
 27046  			z := v_0.Args[0]
 27047  			if z.Op != OpARM64MSUB {
 27048  				break
 27049  			}
 27050  			y := z.Args[2]
 27051  			a := z.Args[0]
 27052  			x := z.Args[1]
 27053  			if !(z.Uses == 1) {
 27054  				break
 27055  			}
 27056  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 27057  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 27058  			v1.AddArg2(x, y)
 27059  			v0.AddArg2(a, v1)
 27060  			b.resetWithControl(block.BlockARM64NE, v0)
 27061  			return true
 27062  		}
 27063  		// match: (NE (CMPWconst [0] z:(MSUBW a x y)) yes no)
 27064  		// cond: z.Uses==1
 27065  		// result: (NE (CMPW a (MULW <x.Type> x y)) yes no)
 27066  		for b.Controls[0].Op == OpARM64CMPWconst {
 27067  			v_0 := b.Controls[0]
 27068  			if auxIntToInt32(v_0.AuxInt) != 0 {
 27069  				break
 27070  			}
 27071  			z := v_0.Args[0]
 27072  			if z.Op != OpARM64MSUBW {
 27073  				break
 27074  			}
 27075  			y := z.Args[2]
 27076  			a := z.Args[0]
 27077  			x := z.Args[1]
 27078  			if !(z.Uses == 1) {
 27079  				break
 27080  			}
 27081  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 27082  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 27083  			v1.AddArg2(x, y)
 27084  			v0.AddArg2(a, v1)
 27085  			b.resetWithControl(block.BlockARM64NE, v0)
 27086  			return true
 27087  		}
 27088  		// match: (NE (TSTconst [c] x) yes no)
 27089  		// cond: oneBit(c)
 27090  		// result: (TBNZ [int64(ntz64(c))] x yes no)
 27091  		for b.Controls[0].Op == OpARM64TSTconst {
 27092  			v_0 := b.Controls[0]
 27093  			c := auxIntToInt64(v_0.AuxInt)
 27094  			x := v_0.Args[0]
 27095  			if !(oneBit(c)) {
 27096  				break
 27097  			}
 27098  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27099  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 27100  			return true
 27101  		}
 27102  		// match: (NE (TSTWconst [c] x) yes no)
 27103  		// cond: oneBit(int64(uint32(c)))
 27104  		// result: (TBNZ [int64(ntz64(int64(uint32(c))))] x yes no)
 27105  		for b.Controls[0].Op == OpARM64TSTWconst {
 27106  			v_0 := b.Controls[0]
 27107  			c := auxIntToInt32(v_0.AuxInt)
 27108  			x := v_0.Args[0]
 27109  			if !(oneBit(int64(uint32(c)))) {
 27110  				break
 27111  			}
 27112  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27113  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 27114  			return true
 27115  		}
 27116  		// match: (NE (FlagConstant [fc]) yes no)
 27117  		// cond: fc.ne()
 27118  		// result: (First yes no)
 27119  		for b.Controls[0].Op == OpARM64FlagConstant {
 27120  			v_0 := b.Controls[0]
 27121  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27122  			if !(fc.ne()) {
 27123  				break
 27124  			}
 27125  			b.Reset(block.BlockFirst)
 27126  			return true
 27127  		}
 27128  		// match: (NE (FlagConstant [fc]) yes no)
 27129  		// cond: !fc.ne()
 27130  		// result: (First no yes)
 27131  		for b.Controls[0].Op == OpARM64FlagConstant {
 27132  			v_0 := b.Controls[0]
 27133  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27134  			if !(!fc.ne()) {
 27135  				break
 27136  			}
 27137  			b.Reset(block.BlockFirst)
 27138  			b.swapSuccessors()
 27139  			return true
 27140  		}
 27141  		// match: (NE (InvertFlags cmp) yes no)
 27142  		// result: (NE cmp yes no)
 27143  		for b.Controls[0].Op == OpARM64InvertFlags {
 27144  			v_0 := b.Controls[0]
 27145  			cmp := v_0.Args[0]
 27146  			b.resetWithControl(block.BlockARM64NE, cmp)
 27147  			return true
 27148  		}
 27149  	case block.BlockARM64NZ:
 27150  		// match: (NZ (Equal cc) yes no)
 27151  		// result: (EQ cc yes no)
 27152  		for b.Controls[0].Op == OpARM64Equal {
 27153  			v_0 := b.Controls[0]
 27154  			cc := v_0.Args[0]
 27155  			b.resetWithControl(block.BlockARM64EQ, cc)
 27156  			return true
 27157  		}
 27158  		// match: (NZ (NotEqual cc) yes no)
 27159  		// result: (NE cc yes no)
 27160  		for b.Controls[0].Op == OpARM64NotEqual {
 27161  			v_0 := b.Controls[0]
 27162  			cc := v_0.Args[0]
 27163  			b.resetWithControl(block.BlockARM64NE, cc)
 27164  			return true
 27165  		}
 27166  		// match: (NZ (LessThan cc) yes no)
 27167  		// result: (LT cc yes no)
 27168  		for b.Controls[0].Op == OpARM64LessThan {
 27169  			v_0 := b.Controls[0]
 27170  			cc := v_0.Args[0]
 27171  			b.resetWithControl(block.BlockARM64LT, cc)
 27172  			return true
 27173  		}
 27174  		// match: (NZ (LessThanU cc) yes no)
 27175  		// result: (ULT cc yes no)
 27176  		for b.Controls[0].Op == OpARM64LessThanU {
 27177  			v_0 := b.Controls[0]
 27178  			cc := v_0.Args[0]
 27179  			b.resetWithControl(block.BlockARM64ULT, cc)
 27180  			return true
 27181  		}
 27182  		// match: (NZ (LessEqual cc) yes no)
 27183  		// result: (LE cc yes no)
 27184  		for b.Controls[0].Op == OpARM64LessEqual {
 27185  			v_0 := b.Controls[0]
 27186  			cc := v_0.Args[0]
 27187  			b.resetWithControl(block.BlockARM64LE, cc)
 27188  			return true
 27189  		}
 27190  		// match: (NZ (LessEqualU cc) yes no)
 27191  		// result: (ULE cc yes no)
 27192  		for b.Controls[0].Op == OpARM64LessEqualU {
 27193  			v_0 := b.Controls[0]
 27194  			cc := v_0.Args[0]
 27195  			b.resetWithControl(block.BlockARM64ULE, cc)
 27196  			return true
 27197  		}
 27198  		// match: (NZ (GreaterThan cc) yes no)
 27199  		// result: (GT cc yes no)
 27200  		for b.Controls[0].Op == OpARM64GreaterThan {
 27201  			v_0 := b.Controls[0]
 27202  			cc := v_0.Args[0]
 27203  			b.resetWithControl(block.BlockARM64GT, cc)
 27204  			return true
 27205  		}
 27206  		// match: (NZ (GreaterThanU cc) yes no)
 27207  		// result: (UGT cc yes no)
 27208  		for b.Controls[0].Op == OpARM64GreaterThanU {
 27209  			v_0 := b.Controls[0]
 27210  			cc := v_0.Args[0]
 27211  			b.resetWithControl(block.BlockARM64UGT, cc)
 27212  			return true
 27213  		}
 27214  		// match: (NZ (GreaterEqual cc) yes no)
 27215  		// result: (GE cc yes no)
 27216  		for b.Controls[0].Op == OpARM64GreaterEqual {
 27217  			v_0 := b.Controls[0]
 27218  			cc := v_0.Args[0]
 27219  			b.resetWithControl(block.BlockARM64GE, cc)
 27220  			return true
 27221  		}
 27222  		// match: (NZ (GreaterEqualU cc) yes no)
 27223  		// result: (UGE cc yes no)
 27224  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 27225  			v_0 := b.Controls[0]
 27226  			cc := v_0.Args[0]
 27227  			b.resetWithControl(block.BlockARM64UGE, cc)
 27228  			return true
 27229  		}
 27230  		// match: (NZ (LessThanF cc) yes no)
 27231  		// result: (FLT cc yes no)
 27232  		for b.Controls[0].Op == OpARM64LessThanF {
 27233  			v_0 := b.Controls[0]
 27234  			cc := v_0.Args[0]
 27235  			b.resetWithControl(block.BlockARM64FLT, cc)
 27236  			return true
 27237  		}
 27238  		// match: (NZ (LessEqualF cc) yes no)
 27239  		// result: (FLE cc yes no)
 27240  		for b.Controls[0].Op == OpARM64LessEqualF {
 27241  			v_0 := b.Controls[0]
 27242  			cc := v_0.Args[0]
 27243  			b.resetWithControl(block.BlockARM64FLE, cc)
 27244  			return true
 27245  		}
 27246  		// match: (NZ (GreaterThanF cc) yes no)
 27247  		// result: (FGT cc yes no)
 27248  		for b.Controls[0].Op == OpARM64GreaterThanF {
 27249  			v_0 := b.Controls[0]
 27250  			cc := v_0.Args[0]
 27251  			b.resetWithControl(block.BlockARM64FGT, cc)
 27252  			return true
 27253  		}
 27254  		// match: (NZ (GreaterEqualF cc) yes no)
 27255  		// result: (FGE cc yes no)
 27256  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 27257  			v_0 := b.Controls[0]
 27258  			cc := v_0.Args[0]
 27259  			b.resetWithControl(block.BlockARM64FGE, cc)
 27260  			return true
 27261  		}
 27262  		// match: (NZ sub:(SUB x y))
 27263  		// cond: sub.Uses == 1
 27264  		// result: (NE (CMP x y))
 27265  		for b.Controls[0].Op == OpARM64SUB {
 27266  			sub := b.Controls[0]
 27267  			y := sub.Args[1]
 27268  			x := sub.Args[0]
 27269  			if !(sub.Uses == 1) {
 27270  				break
 27271  			}
 27272  			v0 := b.NewValue0(sub.Pos, OpARM64CMP, types.TypeFlags)
 27273  			v0.AddArg2(x, y)
 27274  			b.resetWithControl(block.BlockARM64NE, v0)
 27275  			return true
 27276  		}
 27277  		// match: (NZ sub:(SUBconst [c] y))
 27278  		// cond: sub.Uses == 1
 27279  		// result: (NE (CMPconst [c] y))
 27280  		for b.Controls[0].Op == OpARM64SUBconst {
 27281  			sub := b.Controls[0]
 27282  			c := auxIntToInt64(sub.AuxInt)
 27283  			y := sub.Args[0]
 27284  			if !(sub.Uses == 1) {
 27285  				break
 27286  			}
 27287  			v0 := b.NewValue0(sub.Pos, OpARM64CMPconst, types.TypeFlags)
 27288  			v0.AuxInt = int64ToAuxInt(c)
 27289  			v0.AddArg(y)
 27290  			b.resetWithControl(block.BlockARM64NE, v0)
 27291  			return true
 27292  		}
 27293  		// match: (NZ (ANDconst [c] x) yes no)
 27294  		// cond: oneBit(c)
 27295  		// result: (TBNZ [int64(ntz64(c))] x yes no)
 27296  		for b.Controls[0].Op == OpARM64ANDconst {
 27297  			v_0 := b.Controls[0]
 27298  			c := auxIntToInt64(v_0.AuxInt)
 27299  			x := v_0.Args[0]
 27300  			if !(oneBit(c)) {
 27301  				break
 27302  			}
 27303  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27304  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 27305  			return true
 27306  		}
 27307  		// match: (NZ s:(SRLconst [63] x) yes no)
 27308  		// cond: s.Uses == 1
 27309  		// result: (TBNZ [63] x yes no)
 27310  		for b.Controls[0].Op == OpARM64SRLconst {
 27311  			s := b.Controls[0]
 27312  			if auxIntToInt64(s.AuxInt) != 63 {
 27313  				break
 27314  			}
 27315  			x := s.Args[0]
 27316  			if !(s.Uses == 1) {
 27317  				break
 27318  			}
 27319  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27320  			b.AuxInt = int64ToAuxInt(63)
 27321  			return true
 27322  		}
 27323  		// match: (NZ s:(SRAconst [63] x) yes no)
 27324  		// cond: s.Uses == 1
 27325  		// result: (TBNZ [63] x yes no)
 27326  		for b.Controls[0].Op == OpARM64SRAconst {
 27327  			s := b.Controls[0]
 27328  			if auxIntToInt64(s.AuxInt) != 63 {
 27329  				break
 27330  			}
 27331  			x := s.Args[0]
 27332  			if !(s.Uses == 1) {
 27333  				break
 27334  			}
 27335  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27336  			b.AuxInt = int64ToAuxInt(63)
 27337  			return true
 27338  		}
 27339  		// match: (NZ (MOVDconst [0]) yes no)
 27340  		// result: (First no yes)
 27341  		for b.Controls[0].Op == OpARM64MOVDconst {
 27342  			v_0 := b.Controls[0]
 27343  			if auxIntToInt64(v_0.AuxInt) != 0 {
 27344  				break
 27345  			}
 27346  			b.Reset(block.BlockFirst)
 27347  			b.swapSuccessors()
 27348  			return true
 27349  		}
 27350  		// match: (NZ (MOVDconst [c]) yes no)
 27351  		// cond: c != 0
 27352  		// result: (First yes no)
 27353  		for b.Controls[0].Op == OpARM64MOVDconst {
 27354  			v_0 := b.Controls[0]
 27355  			c := auxIntToInt64(v_0.AuxInt)
 27356  			if !(c != 0) {
 27357  				break
 27358  			}
 27359  			b.Reset(block.BlockFirst)
 27360  			return true
 27361  		}
 27362  	case block.BlockARM64NZW:
 27363  		// match: (NZW sub:(SUB x y))
 27364  		// cond: sub.Uses == 1
 27365  		// result: (NE (CMPW x y))
 27366  		for b.Controls[0].Op == OpARM64SUB {
 27367  			sub := b.Controls[0]
 27368  			y := sub.Args[1]
 27369  			x := sub.Args[0]
 27370  			if !(sub.Uses == 1) {
 27371  				break
 27372  			}
 27373  			v0 := b.NewValue0(sub.Pos, OpARM64CMPW, types.TypeFlags)
 27374  			v0.AddArg2(x, y)
 27375  			b.resetWithControl(block.BlockARM64NE, v0)
 27376  			return true
 27377  		}
 27378  		// match: (NZW sub:(SUBconst [c] y))
 27379  		// cond: sub.Uses == 1
 27380  		// result: (NE (CMPWconst [int32(c)] y))
 27381  		for b.Controls[0].Op == OpARM64SUBconst {
 27382  			sub := b.Controls[0]
 27383  			c := auxIntToInt64(sub.AuxInt)
 27384  			y := sub.Args[0]
 27385  			if !(sub.Uses == 1) {
 27386  				break
 27387  			}
 27388  			v0 := b.NewValue0(sub.Pos, OpARM64CMPWconst, types.TypeFlags)
 27389  			v0.AuxInt = int32ToAuxInt(int32(c))
 27390  			v0.AddArg(y)
 27391  			b.resetWithControl(block.BlockARM64NE, v0)
 27392  			return true
 27393  		}
 27394  		// match: (NZW (ANDconst [c] x) yes no)
 27395  		// cond: oneBit(int64(uint32(c)))
 27396  		// result: (TBNZ [int64(ntz64(int64(uint32(c))))] x yes no)
 27397  		for b.Controls[0].Op == OpARM64ANDconst {
 27398  			v_0 := b.Controls[0]
 27399  			c := auxIntToInt64(v_0.AuxInt)
 27400  			x := v_0.Args[0]
 27401  			if !(oneBit(int64(uint32(c)))) {
 27402  				break
 27403  			}
 27404  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27405  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 27406  			return true
 27407  		}
 27408  		// match: (NZW (MOVDconst [c]) yes no)
 27409  		// cond: int32(c) == 0
 27410  		// result: (First no yes)
 27411  		for b.Controls[0].Op == OpARM64MOVDconst {
 27412  			v_0 := b.Controls[0]
 27413  			c := auxIntToInt64(v_0.AuxInt)
 27414  			if !(int32(c) == 0) {
 27415  				break
 27416  			}
 27417  			b.Reset(block.BlockFirst)
 27418  			b.swapSuccessors()
 27419  			return true
 27420  		}
 27421  		// match: (NZW (MOVDconst [c]) yes no)
 27422  		// cond: int32(c) != 0
 27423  		// result: (First yes no)
 27424  		for b.Controls[0].Op == OpARM64MOVDconst {
 27425  			v_0 := b.Controls[0]
 27426  			c := auxIntToInt64(v_0.AuxInt)
 27427  			if !(int32(c) != 0) {
 27428  				break
 27429  			}
 27430  			b.Reset(block.BlockFirst)
 27431  			return true
 27432  		}
 27433  	case block.BlockARM64TBNZ:
 27434  		// match: (TBNZ [0] (Equal cc) yes no)
 27435  		// result: (EQ cc yes no)
 27436  		for b.Controls[0].Op == OpARM64Equal {
 27437  			v_0 := b.Controls[0]
 27438  			cc := v_0.Args[0]
 27439  			if auxIntToInt64(b.AuxInt) != 0 {
 27440  				break
 27441  			}
 27442  			b.resetWithControl(block.BlockARM64EQ, cc)
 27443  			return true
 27444  		}
 27445  		// match: (TBNZ [0] (NotEqual cc) yes no)
 27446  		// result: (NE cc yes no)
 27447  		for b.Controls[0].Op == OpARM64NotEqual {
 27448  			v_0 := b.Controls[0]
 27449  			cc := v_0.Args[0]
 27450  			if auxIntToInt64(b.AuxInt) != 0 {
 27451  				break
 27452  			}
 27453  			b.resetWithControl(block.BlockARM64NE, cc)
 27454  			return true
 27455  		}
 27456  		// match: (TBNZ [0] (LessThan cc) yes no)
 27457  		// result: (LT cc yes no)
 27458  		for b.Controls[0].Op == OpARM64LessThan {
 27459  			v_0 := b.Controls[0]
 27460  			cc := v_0.Args[0]
 27461  			if auxIntToInt64(b.AuxInt) != 0 {
 27462  				break
 27463  			}
 27464  			b.resetWithControl(block.BlockARM64LT, cc)
 27465  			return true
 27466  		}
 27467  		// match: (TBNZ [0] (LessThanU cc) yes no)
 27468  		// result: (ULT cc yes no)
 27469  		for b.Controls[0].Op == OpARM64LessThanU {
 27470  			v_0 := b.Controls[0]
 27471  			cc := v_0.Args[0]
 27472  			if auxIntToInt64(b.AuxInt) != 0 {
 27473  				break
 27474  			}
 27475  			b.resetWithControl(block.BlockARM64ULT, cc)
 27476  			return true
 27477  		}
 27478  		// match: (TBNZ [0] (LessEqual cc) yes no)
 27479  		// result: (LE cc yes no)
 27480  		for b.Controls[0].Op == OpARM64LessEqual {
 27481  			v_0 := b.Controls[0]
 27482  			cc := v_0.Args[0]
 27483  			if auxIntToInt64(b.AuxInt) != 0 {
 27484  				break
 27485  			}
 27486  			b.resetWithControl(block.BlockARM64LE, cc)
 27487  			return true
 27488  		}
 27489  		// match: (TBNZ [0] (LessEqualU cc) yes no)
 27490  		// result: (ULE cc yes no)
 27491  		for b.Controls[0].Op == OpARM64LessEqualU {
 27492  			v_0 := b.Controls[0]
 27493  			cc := v_0.Args[0]
 27494  			if auxIntToInt64(b.AuxInt) != 0 {
 27495  				break
 27496  			}
 27497  			b.resetWithControl(block.BlockARM64ULE, cc)
 27498  			return true
 27499  		}
 27500  		// match: (TBNZ [0] (GreaterThan cc) yes no)
 27501  		// result: (GT cc yes no)
 27502  		for b.Controls[0].Op == OpARM64GreaterThan {
 27503  			v_0 := b.Controls[0]
 27504  			cc := v_0.Args[0]
 27505  			if auxIntToInt64(b.AuxInt) != 0 {
 27506  				break
 27507  			}
 27508  			b.resetWithControl(block.BlockARM64GT, cc)
 27509  			return true
 27510  		}
 27511  		// match: (TBNZ [0] (GreaterThanU cc) yes no)
 27512  		// result: (UGT cc yes no)
 27513  		for b.Controls[0].Op == OpARM64GreaterThanU {
 27514  			v_0 := b.Controls[0]
 27515  			cc := v_0.Args[0]
 27516  			if auxIntToInt64(b.AuxInt) != 0 {
 27517  				break
 27518  			}
 27519  			b.resetWithControl(block.BlockARM64UGT, cc)
 27520  			return true
 27521  		}
 27522  		// match: (TBNZ [0] (GreaterEqual cc) yes no)
 27523  		// result: (GE cc yes no)
 27524  		for b.Controls[0].Op == OpARM64GreaterEqual {
 27525  			v_0 := b.Controls[0]
 27526  			cc := v_0.Args[0]
 27527  			if auxIntToInt64(b.AuxInt) != 0 {
 27528  				break
 27529  			}
 27530  			b.resetWithControl(block.BlockARM64GE, cc)
 27531  			return true
 27532  		}
 27533  		// match: (TBNZ [0] (GreaterEqualU cc) yes no)
 27534  		// result: (UGE cc yes no)
 27535  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 27536  			v_0 := b.Controls[0]
 27537  			cc := v_0.Args[0]
 27538  			if auxIntToInt64(b.AuxInt) != 0 {
 27539  				break
 27540  			}
 27541  			b.resetWithControl(block.BlockARM64UGE, cc)
 27542  			return true
 27543  		}
 27544  		// match: (TBNZ [0] (LessThanF cc) yes no)
 27545  		// result: (FLT cc yes no)
 27546  		for b.Controls[0].Op == OpARM64LessThanF {
 27547  			v_0 := b.Controls[0]
 27548  			cc := v_0.Args[0]
 27549  			if auxIntToInt64(b.AuxInt) != 0 {
 27550  				break
 27551  			}
 27552  			b.resetWithControl(block.BlockARM64FLT, cc)
 27553  			return true
 27554  		}
 27555  		// match: (TBNZ [0] (LessEqualF cc) yes no)
 27556  		// result: (FLE cc yes no)
 27557  		for b.Controls[0].Op == OpARM64LessEqualF {
 27558  			v_0 := b.Controls[0]
 27559  			cc := v_0.Args[0]
 27560  			if auxIntToInt64(b.AuxInt) != 0 {
 27561  				break
 27562  			}
 27563  			b.resetWithControl(block.BlockARM64FLE, cc)
 27564  			return true
 27565  		}
 27566  		// match: (TBNZ [0] (GreaterThanF cc) yes no)
 27567  		// result: (FGT cc yes no)
 27568  		for b.Controls[0].Op == OpARM64GreaterThanF {
 27569  			v_0 := b.Controls[0]
 27570  			cc := v_0.Args[0]
 27571  			if auxIntToInt64(b.AuxInt) != 0 {
 27572  				break
 27573  			}
 27574  			b.resetWithControl(block.BlockARM64FGT, cc)
 27575  			return true
 27576  		}
 27577  		// match: (TBNZ [0] (GreaterEqualF cc) yes no)
 27578  		// result: (FGE cc yes no)
 27579  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 27580  			v_0 := b.Controls[0]
 27581  			cc := v_0.Args[0]
 27582  			if auxIntToInt64(b.AuxInt) != 0 {
 27583  				break
 27584  			}
 27585  			b.resetWithControl(block.BlockARM64FGE, cc)
 27586  			return true
 27587  		}
 27588  		// match: (TBNZ [0] (XORconst [1] x) yes no)
 27589  		// result: (TBZ [0] x yes no)
 27590  		for b.Controls[0].Op == OpARM64XORconst {
 27591  			v_0 := b.Controls[0]
 27592  			if auxIntToInt64(v_0.AuxInt) != 1 {
 27593  				break
 27594  			}
 27595  			x := v_0.Args[0]
 27596  			if auxIntToInt64(b.AuxInt) != 0 {
 27597  				break
 27598  			}
 27599  			b.resetWithControl(block.BlockARM64TBZ, x)
 27600  			b.AuxInt = int64ToAuxInt(0)
 27601  			return true
 27602  		}
 27603  		// match: (TBNZ [t] sv:(SRLconst [s] x) yes no)
 27604  		// cond: t+s < 64 && sv.Uses == 1
 27605  		// result: (TBNZ [t+s] x yes no )
 27606  		for b.Controls[0].Op == OpARM64SRLconst {
 27607  			sv := b.Controls[0]
 27608  			s := auxIntToInt64(sv.AuxInt)
 27609  			x := sv.Args[0]
 27610  			t := auxIntToInt64(b.AuxInt)
 27611  			if !(t+s < 64 && sv.Uses == 1) {
 27612  				break
 27613  			}
 27614  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27615  			b.AuxInt = int64ToAuxInt(t + s)
 27616  			return true
 27617  		}
 27618  		// match: (TBNZ [t] (SRLconst [s] x) yes no)
 27619  		// cond: t+s >= 64
 27620  		// result: (First no yes)
 27621  		for b.Controls[0].Op == OpARM64SRLconst {
 27622  			v_0 := b.Controls[0]
 27623  			s := auxIntToInt64(v_0.AuxInt)
 27624  			t := auxIntToInt64(b.AuxInt)
 27625  			if !(t+s >= 64) {
 27626  				break
 27627  			}
 27628  			b.Reset(block.BlockFirst)
 27629  			b.swapSuccessors()
 27630  			return true
 27631  		}
 27632  		// match: (TBNZ [t] sv:(SLLconst [s] x) yes no)
 27633  		// cond: t-s >= 0 && sv.Uses == 1
 27634  		// result: (TBNZ [t-s] x yes no )
 27635  		for b.Controls[0].Op == OpARM64SLLconst {
 27636  			sv := b.Controls[0]
 27637  			s := auxIntToInt64(sv.AuxInt)
 27638  			x := sv.Args[0]
 27639  			t := auxIntToInt64(b.AuxInt)
 27640  			if !(t-s >= 0 && sv.Uses == 1) {
 27641  				break
 27642  			}
 27643  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27644  			b.AuxInt = int64ToAuxInt(t - s)
 27645  			return true
 27646  		}
 27647  		// match: (TBNZ [t] (SLLconst [s] x) yes no)
 27648  		// cond: t-s < 0
 27649  		// result: (First no yes)
 27650  		for b.Controls[0].Op == OpARM64SLLconst {
 27651  			v_0 := b.Controls[0]
 27652  			s := auxIntToInt64(v_0.AuxInt)
 27653  			t := auxIntToInt64(b.AuxInt)
 27654  			if !(t-s < 0) {
 27655  				break
 27656  			}
 27657  			b.Reset(block.BlockFirst)
 27658  			b.swapSuccessors()
 27659  			return true
 27660  		}
 27661  		// match: (TBNZ [t] rv:(RORconst [r] x) yes no)
 27662  		// cond: rv.Uses == 1
 27663  		// result: (TBNZ [int64(uint64(t+r)%64)] x yes no)
 27664  		for b.Controls[0].Op == OpARM64RORconst {
 27665  			rv := b.Controls[0]
 27666  			r := auxIntToInt64(rv.AuxInt)
 27667  			x := rv.Args[0]
 27668  			t := auxIntToInt64(b.AuxInt)
 27669  			if !(rv.Uses == 1) {
 27670  				break
 27671  			}
 27672  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27673  			b.AuxInt = int64ToAuxInt(int64(uint64(t+r) % 64))
 27674  			return true
 27675  		}
 27676  		// match: (TBNZ [t] sv:(SRAconst [s] x) yes no)
 27677  		// cond: t+s < 64 && sv.Uses == 1
 27678  		// result: (TBNZ [t+s] x yes no)
 27679  		for b.Controls[0].Op == OpARM64SRAconst {
 27680  			sv := b.Controls[0]
 27681  			s := auxIntToInt64(sv.AuxInt)
 27682  			x := sv.Args[0]
 27683  			t := auxIntToInt64(b.AuxInt)
 27684  			if !(t+s < 64 && sv.Uses == 1) {
 27685  				break
 27686  			}
 27687  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27688  			b.AuxInt = int64ToAuxInt(t + s)
 27689  			return true
 27690  		}
 27691  		// match: (TBNZ [t] sv:(SRAconst [s] x) yes no)
 27692  		// cond: t+s >= 64 && sv.Uses == 1
 27693  		// result: (TBNZ [63 ] x yes no)
 27694  		for b.Controls[0].Op == OpARM64SRAconst {
 27695  			sv := b.Controls[0]
 27696  			s := auxIntToInt64(sv.AuxInt)
 27697  			x := sv.Args[0]
 27698  			t := auxIntToInt64(b.AuxInt)
 27699  			if !(t+s >= 64 && sv.Uses == 1) {
 27700  				break
 27701  			}
 27702  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27703  			b.AuxInt = int64ToAuxInt(63)
 27704  			return true
 27705  		}
 27706  	case block.BlockARM64TBZ:
 27707  		// match: (TBZ [0] (XORconst [1] x) yes no)
 27708  		// result: (TBNZ [0] x yes no)
 27709  		for b.Controls[0].Op == OpARM64XORconst {
 27710  			v_0 := b.Controls[0]
 27711  			if auxIntToInt64(v_0.AuxInt) != 1 {
 27712  				break
 27713  			}
 27714  			x := v_0.Args[0]
 27715  			if auxIntToInt64(b.AuxInt) != 0 {
 27716  				break
 27717  			}
 27718  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27719  			b.AuxInt = int64ToAuxInt(0)
 27720  			return true
 27721  		}
 27722  		// match: (TBZ [t] sv:(SRLconst [s] x) yes no)
 27723  		// cond: t+s < 64 && sv.Uses == 1
 27724  		// result: (TBZ [t+s] x yes no )
 27725  		for b.Controls[0].Op == OpARM64SRLconst {
 27726  			sv := b.Controls[0]
 27727  			s := auxIntToInt64(sv.AuxInt)
 27728  			x := sv.Args[0]
 27729  			t := auxIntToInt64(b.AuxInt)
 27730  			if !(t+s < 64 && sv.Uses == 1) {
 27731  				break
 27732  			}
 27733  			b.resetWithControl(block.BlockARM64TBZ, x)
 27734  			b.AuxInt = int64ToAuxInt(t + s)
 27735  			return true
 27736  		}
 27737  		// match: (TBZ [t] (SRLconst [s] x) yes no)
 27738  		// cond: t+s >= 64
 27739  		// result: (First yes no )
 27740  		for b.Controls[0].Op == OpARM64SRLconst {
 27741  			v_0 := b.Controls[0]
 27742  			s := auxIntToInt64(v_0.AuxInt)
 27743  			t := auxIntToInt64(b.AuxInt)
 27744  			if !(t+s >= 64) {
 27745  				break
 27746  			}
 27747  			b.Reset(block.BlockFirst)
 27748  			return true
 27749  		}
 27750  		// match: (TBZ [t] sv:(SLLconst [s] x) yes no)
 27751  		// cond: t-s >= 0 && sv.Uses == 1
 27752  		// result: (TBZ [t-s] x yes no )
 27753  		for b.Controls[0].Op == OpARM64SLLconst {
 27754  			sv := b.Controls[0]
 27755  			s := auxIntToInt64(sv.AuxInt)
 27756  			x := sv.Args[0]
 27757  			t := auxIntToInt64(b.AuxInt)
 27758  			if !(t-s >= 0 && sv.Uses == 1) {
 27759  				break
 27760  			}
 27761  			b.resetWithControl(block.BlockARM64TBZ, x)
 27762  			b.AuxInt = int64ToAuxInt(t - s)
 27763  			return true
 27764  		}
 27765  		// match: (TBZ [t] (SLLconst [s] x) yes no)
 27766  		// cond: t-s < 0
 27767  		// result: (First yes no )
 27768  		for b.Controls[0].Op == OpARM64SLLconst {
 27769  			v_0 := b.Controls[0]
 27770  			s := auxIntToInt64(v_0.AuxInt)
 27771  			t := auxIntToInt64(b.AuxInt)
 27772  			if !(t-s < 0) {
 27773  				break
 27774  			}
 27775  			b.Reset(block.BlockFirst)
 27776  			return true
 27777  		}
 27778  		// match: (TBZ [t] rv:(RORconst [r] x) yes no)
 27779  		// cond: rv.Uses == 1
 27780  		// result: (TBZ [int64(uint64(t+r)%64)] x yes no)
 27781  		for b.Controls[0].Op == OpARM64RORconst {
 27782  			rv := b.Controls[0]
 27783  			r := auxIntToInt64(rv.AuxInt)
 27784  			x := rv.Args[0]
 27785  			t := auxIntToInt64(b.AuxInt)
 27786  			if !(rv.Uses == 1) {
 27787  				break
 27788  			}
 27789  			b.resetWithControl(block.BlockARM64TBZ, x)
 27790  			b.AuxInt = int64ToAuxInt(int64(uint64(t+r) % 64))
 27791  			return true
 27792  		}
 27793  		// match: (TBZ [t] sv:(SRAconst [s] x) yes no)
 27794  		// cond: t+s < 64 && sv.Uses == 1
 27795  		// result: (TBZ [t+s] x yes no)
 27796  		for b.Controls[0].Op == OpARM64SRAconst {
 27797  			sv := b.Controls[0]
 27798  			s := auxIntToInt64(sv.AuxInt)
 27799  			x := sv.Args[0]
 27800  			t := auxIntToInt64(b.AuxInt)
 27801  			if !(t+s < 64 && sv.Uses == 1) {
 27802  				break
 27803  			}
 27804  			b.resetWithControl(block.BlockARM64TBZ, x)
 27805  			b.AuxInt = int64ToAuxInt(t + s)
 27806  			return true
 27807  		}
 27808  		// match: (TBZ [t] sv:(SRAconst [s] x) yes no)
 27809  		// cond: t+s >= 64 && sv.Uses == 1
 27810  		// result: (TBZ [63 ] x yes no)
 27811  		for b.Controls[0].Op == OpARM64SRAconst {
 27812  			sv := b.Controls[0]
 27813  			s := auxIntToInt64(sv.AuxInt)
 27814  			x := sv.Args[0]
 27815  			t := auxIntToInt64(b.AuxInt)
 27816  			if !(t+s >= 64 && sv.Uses == 1) {
 27817  				break
 27818  			}
 27819  			b.resetWithControl(block.BlockARM64TBZ, x)
 27820  			b.AuxInt = int64ToAuxInt(63)
 27821  			return true
 27822  		}
 27823  	case block.BlockARM64UGE:
 27824  		// match: (UGE (CMPWconst [128] x) yes no)
 27825  		// cond: ZeroUpper56Bits(x)
 27826  		// result: (TBNZ [7] x yes no)
 27827  		for b.Controls[0].Op == OpARM64CMPWconst {
 27828  			v_0 := b.Controls[0]
 27829  			if auxIntToInt32(v_0.AuxInt) != 128 {
 27830  				break
 27831  			}
 27832  			x := v_0.Args[0]
 27833  			if !(ZeroUpper56Bits(x)) {
 27834  				break
 27835  			}
 27836  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27837  			b.AuxInt = int64ToAuxInt(7)
 27838  			return true
 27839  		}
 27840  		// match: (UGE (CMPconst [128] x) yes no)
 27841  		// cond: ZeroUpper56Bits(x)
 27842  		// result: (TBNZ [7] x yes no)
 27843  		for b.Controls[0].Op == OpARM64CMPconst {
 27844  			v_0 := b.Controls[0]
 27845  			if auxIntToInt64(v_0.AuxInt) != 128 {
 27846  				break
 27847  			}
 27848  			x := v_0.Args[0]
 27849  			if !(ZeroUpper56Bits(x)) {
 27850  				break
 27851  			}
 27852  			b.resetWithControl(block.BlockARM64TBNZ, x)
 27853  			b.AuxInt = int64ToAuxInt(7)
 27854  			return true
 27855  		}
 27856  		// match: (UGE (FlagConstant [fc]) yes no)
 27857  		// cond: fc.uge()
 27858  		// result: (First yes no)
 27859  		for b.Controls[0].Op == OpARM64FlagConstant {
 27860  			v_0 := b.Controls[0]
 27861  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27862  			if !(fc.uge()) {
 27863  				break
 27864  			}
 27865  			b.Reset(block.BlockFirst)
 27866  			return true
 27867  		}
 27868  		// match: (UGE (FlagConstant [fc]) yes no)
 27869  		// cond: !fc.uge()
 27870  		// result: (First no yes)
 27871  		for b.Controls[0].Op == OpARM64FlagConstant {
 27872  			v_0 := b.Controls[0]
 27873  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27874  			if !(!fc.uge()) {
 27875  				break
 27876  			}
 27877  			b.Reset(block.BlockFirst)
 27878  			b.swapSuccessors()
 27879  			return true
 27880  		}
 27881  		// match: (UGE (InvertFlags cmp) yes no)
 27882  		// result: (ULE cmp yes no)
 27883  		for b.Controls[0].Op == OpARM64InvertFlags {
 27884  			v_0 := b.Controls[0]
 27885  			cmp := v_0.Args[0]
 27886  			b.resetWithControl(block.BlockARM64ULE, cmp)
 27887  			return true
 27888  		}
 27889  	case block.BlockARM64UGT:
 27890  		// match: (UGT (CMPconst [0] x))
 27891  		// result: (NE (CMPconst [0] x))
 27892  		for b.Controls[0].Op == OpARM64CMPconst {
 27893  			v_0 := b.Controls[0]
 27894  			if auxIntToInt64(v_0.AuxInt) != 0 {
 27895  				break
 27896  			}
 27897  			x := v_0.Args[0]
 27898  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPconst, types.TypeFlags)
 27899  			v0.AuxInt = int64ToAuxInt(0)
 27900  			v0.AddArg(x)
 27901  			b.resetWithControl(block.BlockARM64NE, v0)
 27902  			return true
 27903  		}
 27904  		// match: (UGT (CMPWconst [0] x))
 27905  		// result: (NE (CMPWconst [0] x))
 27906  		for b.Controls[0].Op == OpARM64CMPWconst {
 27907  			v_0 := b.Controls[0]
 27908  			if auxIntToInt32(v_0.AuxInt) != 0 {
 27909  				break
 27910  			}
 27911  			x := v_0.Args[0]
 27912  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPWconst, types.TypeFlags)
 27913  			v0.AuxInt = int32ToAuxInt(0)
 27914  			v0.AddArg(x)
 27915  			b.resetWithControl(block.BlockARM64NE, v0)
 27916  			return true
 27917  		}
 27918  		// match: (UGT (FlagConstant [fc]) yes no)
 27919  		// cond: fc.ugt()
 27920  		// result: (First yes no)
 27921  		for b.Controls[0].Op == OpARM64FlagConstant {
 27922  			v_0 := b.Controls[0]
 27923  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27924  			if !(fc.ugt()) {
 27925  				break
 27926  			}
 27927  			b.Reset(block.BlockFirst)
 27928  			return true
 27929  		}
 27930  		// match: (UGT (FlagConstant [fc]) yes no)
 27931  		// cond: !fc.ugt()
 27932  		// result: (First no yes)
 27933  		for b.Controls[0].Op == OpARM64FlagConstant {
 27934  			v_0 := b.Controls[0]
 27935  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27936  			if !(!fc.ugt()) {
 27937  				break
 27938  			}
 27939  			b.Reset(block.BlockFirst)
 27940  			b.swapSuccessors()
 27941  			return true
 27942  		}
 27943  		// match: (UGT (InvertFlags cmp) yes no)
 27944  		// result: (ULT cmp yes no)
 27945  		for b.Controls[0].Op == OpARM64InvertFlags {
 27946  			v_0 := b.Controls[0]
 27947  			cmp := v_0.Args[0]
 27948  			b.resetWithControl(block.BlockARM64ULT, cmp)
 27949  			return true
 27950  		}
 27951  	case block.BlockARM64ULE:
 27952  		// match: (ULE (CMPconst [0] x))
 27953  		// result: (EQ (CMPconst [0] x))
 27954  		for b.Controls[0].Op == OpARM64CMPconst {
 27955  			v_0 := b.Controls[0]
 27956  			if auxIntToInt64(v_0.AuxInt) != 0 {
 27957  				break
 27958  			}
 27959  			x := v_0.Args[0]
 27960  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPconst, types.TypeFlags)
 27961  			v0.AuxInt = int64ToAuxInt(0)
 27962  			v0.AddArg(x)
 27963  			b.resetWithControl(block.BlockARM64EQ, v0)
 27964  			return true
 27965  		}
 27966  		// match: (ULE (CMPWconst [0] x))
 27967  		// result: (EQ (CMPWconst [0] x))
 27968  		for b.Controls[0].Op == OpARM64CMPWconst {
 27969  			v_0 := b.Controls[0]
 27970  			if auxIntToInt32(v_0.AuxInt) != 0 {
 27971  				break
 27972  			}
 27973  			x := v_0.Args[0]
 27974  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPWconst, types.TypeFlags)
 27975  			v0.AuxInt = int32ToAuxInt(0)
 27976  			v0.AddArg(x)
 27977  			b.resetWithControl(block.BlockARM64EQ, v0)
 27978  			return true
 27979  		}
 27980  		// match: (ULE (FlagConstant [fc]) yes no)
 27981  		// cond: fc.ule()
 27982  		// result: (First yes no)
 27983  		for b.Controls[0].Op == OpARM64FlagConstant {
 27984  			v_0 := b.Controls[0]
 27985  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27986  			if !(fc.ule()) {
 27987  				break
 27988  			}
 27989  			b.Reset(block.BlockFirst)
 27990  			return true
 27991  		}
 27992  		// match: (ULE (FlagConstant [fc]) yes no)
 27993  		// cond: !fc.ule()
 27994  		// result: (First no yes)
 27995  		for b.Controls[0].Op == OpARM64FlagConstant {
 27996  			v_0 := b.Controls[0]
 27997  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27998  			if !(!fc.ule()) {
 27999  				break
 28000  			}
 28001  			b.Reset(block.BlockFirst)
 28002  			b.swapSuccessors()
 28003  			return true
 28004  		}
 28005  		// match: (ULE (InvertFlags cmp) yes no)
 28006  		// result: (UGE cmp yes no)
 28007  		for b.Controls[0].Op == OpARM64InvertFlags {
 28008  			v_0 := b.Controls[0]
 28009  			cmp := v_0.Args[0]
 28010  			b.resetWithControl(block.BlockARM64UGE, cmp)
 28011  			return true
 28012  		}
 28013  	case block.BlockARM64ULT:
 28014  		// match: (ULT (CMPWconst [128] x) yes no)
 28015  		// cond: ZeroUpper56Bits(x)
 28016  		// result: (TBZ [7] x yes no)
 28017  		for b.Controls[0].Op == OpARM64CMPWconst {
 28018  			v_0 := b.Controls[0]
 28019  			if auxIntToInt32(v_0.AuxInt) != 128 {
 28020  				break
 28021  			}
 28022  			x := v_0.Args[0]
 28023  			if !(ZeroUpper56Bits(x)) {
 28024  				break
 28025  			}
 28026  			b.resetWithControl(block.BlockARM64TBZ, x)
 28027  			b.AuxInt = int64ToAuxInt(7)
 28028  			return true
 28029  		}
 28030  		// match: (ULT (CMPconst [128] x) yes no)
 28031  		// cond: ZeroUpper56Bits(x)
 28032  		// result: (TBZ [7] x yes no)
 28033  		for b.Controls[0].Op == OpARM64CMPconst {
 28034  			v_0 := b.Controls[0]
 28035  			if auxIntToInt64(v_0.AuxInt) != 128 {
 28036  				break
 28037  			}
 28038  			x := v_0.Args[0]
 28039  			if !(ZeroUpper56Bits(x)) {
 28040  				break
 28041  			}
 28042  			b.resetWithControl(block.BlockARM64TBZ, x)
 28043  			b.AuxInt = int64ToAuxInt(7)
 28044  			return true
 28045  		}
 28046  		// match: (ULT (FlagConstant [fc]) yes no)
 28047  		// cond: fc.ult()
 28048  		// result: (First yes no)
 28049  		for b.Controls[0].Op == OpARM64FlagConstant {
 28050  			v_0 := b.Controls[0]
 28051  			fc := auxIntToFlagConstant(v_0.AuxInt)
 28052  			if !(fc.ult()) {
 28053  				break
 28054  			}
 28055  			b.Reset(block.BlockFirst)
 28056  			return true
 28057  		}
 28058  		// match: (ULT (FlagConstant [fc]) yes no)
 28059  		// cond: !fc.ult()
 28060  		// result: (First no yes)
 28061  		for b.Controls[0].Op == OpARM64FlagConstant {
 28062  			v_0 := b.Controls[0]
 28063  			fc := auxIntToFlagConstant(v_0.AuxInt)
 28064  			if !(!fc.ult()) {
 28065  				break
 28066  			}
 28067  			b.Reset(block.BlockFirst)
 28068  			b.swapSuccessors()
 28069  			return true
 28070  		}
 28071  		// match: (ULT (InvertFlags cmp) yes no)
 28072  		// result: (UGT cmp yes no)
 28073  		for b.Controls[0].Op == OpARM64InvertFlags {
 28074  			v_0 := b.Controls[0]
 28075  			cmp := v_0.Args[0]
 28076  			b.resetWithControl(block.BlockARM64UGT, cmp)
 28077  			return true
 28078  		}
 28079  	case block.BlockARM64Z:
 28080  		// match: (Z sub:(SUB x y))
 28081  		// cond: sub.Uses == 1
 28082  		// result: (EQ (CMP x y))
 28083  		for b.Controls[0].Op == OpARM64SUB {
 28084  			sub := b.Controls[0]
 28085  			y := sub.Args[1]
 28086  			x := sub.Args[0]
 28087  			if !(sub.Uses == 1) {
 28088  				break
 28089  			}
 28090  			v0 := b.NewValue0(sub.Pos, OpARM64CMP, types.TypeFlags)
 28091  			v0.AddArg2(x, y)
 28092  			b.resetWithControl(block.BlockARM64EQ, v0)
 28093  			return true
 28094  		}
 28095  		// match: (Z sub:(SUBconst [c] y))
 28096  		// cond: sub.Uses == 1
 28097  		// result: (EQ (CMPconst [c] y))
 28098  		for b.Controls[0].Op == OpARM64SUBconst {
 28099  			sub := b.Controls[0]
 28100  			c := auxIntToInt64(sub.AuxInt)
 28101  			y := sub.Args[0]
 28102  			if !(sub.Uses == 1) {
 28103  				break
 28104  			}
 28105  			v0 := b.NewValue0(sub.Pos, OpARM64CMPconst, types.TypeFlags)
 28106  			v0.AuxInt = int64ToAuxInt(c)
 28107  			v0.AddArg(y)
 28108  			b.resetWithControl(block.BlockARM64EQ, v0)
 28109  			return true
 28110  		}
 28111  		// match: (Z (ANDconst [c] x) yes no)
 28112  		// cond: oneBit(c)
 28113  		// result: (TBZ [int64(ntz64(c))] x yes no)
 28114  		for b.Controls[0].Op == OpARM64ANDconst {
 28115  			v_0 := b.Controls[0]
 28116  			c := auxIntToInt64(v_0.AuxInt)
 28117  			x := v_0.Args[0]
 28118  			if !(oneBit(c)) {
 28119  				break
 28120  			}
 28121  			b.resetWithControl(block.BlockARM64TBZ, x)
 28122  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 28123  			return true
 28124  		}
 28125  		// match: (Z s:(SRLconst [63] x) yes no)
 28126  		// cond: s.Uses == 1
 28127  		// result: (TBZ [63] x yes no)
 28128  		for b.Controls[0].Op == OpARM64SRLconst {
 28129  			s := b.Controls[0]
 28130  			if auxIntToInt64(s.AuxInt) != 63 {
 28131  				break
 28132  			}
 28133  			x := s.Args[0]
 28134  			if !(s.Uses == 1) {
 28135  				break
 28136  			}
 28137  			b.resetWithControl(block.BlockARM64TBZ, x)
 28138  			b.AuxInt = int64ToAuxInt(63)
 28139  			return true
 28140  		}
 28141  		// match: (Z s:(SRAconst [63] x) yes no)
 28142  		// cond: s.Uses == 1
 28143  		// result: (TBZ [63] x yes no)
 28144  		for b.Controls[0].Op == OpARM64SRAconst {
 28145  			s := b.Controls[0]
 28146  			if auxIntToInt64(s.AuxInt) != 63 {
 28147  				break
 28148  			}
 28149  			x := s.Args[0]
 28150  			if !(s.Uses == 1) {
 28151  				break
 28152  			}
 28153  			b.resetWithControl(block.BlockARM64TBZ, x)
 28154  			b.AuxInt = int64ToAuxInt(63)
 28155  			return true
 28156  		}
 28157  		// match: (Z (MOVDconst [0]) yes no)
 28158  		// result: (First yes no)
 28159  		for b.Controls[0].Op == OpARM64MOVDconst {
 28160  			v_0 := b.Controls[0]
 28161  			if auxIntToInt64(v_0.AuxInt) != 0 {
 28162  				break
 28163  			}
 28164  			b.Reset(block.BlockFirst)
 28165  			return true
 28166  		}
 28167  		// match: (Z (MOVDconst [c]) yes no)
 28168  		// cond: c != 0
 28169  		// result: (First no yes)
 28170  		for b.Controls[0].Op == OpARM64MOVDconst {
 28171  			v_0 := b.Controls[0]
 28172  			c := auxIntToInt64(v_0.AuxInt)
 28173  			if !(c != 0) {
 28174  				break
 28175  			}
 28176  			b.Reset(block.BlockFirst)
 28177  			b.swapSuccessors()
 28178  			return true
 28179  		}
 28180  	case block.BlockARM64ZW:
 28181  		// match: (ZW sub:(SUB x y))
 28182  		// cond: sub.Uses == 1
 28183  		// result: (EQ (CMPW x y))
 28184  		for b.Controls[0].Op == OpARM64SUB {
 28185  			sub := b.Controls[0]
 28186  			y := sub.Args[1]
 28187  			x := sub.Args[0]
 28188  			if !(sub.Uses == 1) {
 28189  				break
 28190  			}
 28191  			v0 := b.NewValue0(sub.Pos, OpARM64CMPW, types.TypeFlags)
 28192  			v0.AddArg2(x, y)
 28193  			b.resetWithControl(block.BlockARM64EQ, v0)
 28194  			return true
 28195  		}
 28196  		// match: (ZW sub:(SUBconst [c] y))
 28197  		// cond: sub.Uses == 1
 28198  		// result: (EQ (CMPWconst [int32(c)] y))
 28199  		for b.Controls[0].Op == OpARM64SUBconst {
 28200  			sub := b.Controls[0]
 28201  			c := auxIntToInt64(sub.AuxInt)
 28202  			y := sub.Args[0]
 28203  			if !(sub.Uses == 1) {
 28204  				break
 28205  			}
 28206  			v0 := b.NewValue0(sub.Pos, OpARM64CMPWconst, types.TypeFlags)
 28207  			v0.AuxInt = int32ToAuxInt(int32(c))
 28208  			v0.AddArg(y)
 28209  			b.resetWithControl(block.BlockARM64EQ, v0)
 28210  			return true
 28211  		}
 28212  		// match: (ZW (ANDconst [c] x) yes no)
 28213  		// cond: oneBit(int64(uint32(c)))
 28214  		// result: (TBZ [int64(ntz64(int64(uint32(c))))] x yes no)
 28215  		for b.Controls[0].Op == OpARM64ANDconst {
 28216  			v_0 := b.Controls[0]
 28217  			c := auxIntToInt64(v_0.AuxInt)
 28218  			x := v_0.Args[0]
 28219  			if !(oneBit(int64(uint32(c)))) {
 28220  				break
 28221  			}
 28222  			b.resetWithControl(block.BlockARM64TBZ, x)
 28223  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 28224  			return true
 28225  		}
 28226  		// match: (ZW (MOVDconst [c]) yes no)
 28227  		// cond: int32(c) == 0
 28228  		// result: (First yes no)
 28229  		for b.Controls[0].Op == OpARM64MOVDconst {
 28230  			v_0 := b.Controls[0]
 28231  			c := auxIntToInt64(v_0.AuxInt)
 28232  			if !(int32(c) == 0) {
 28233  				break
 28234  			}
 28235  			b.Reset(block.BlockFirst)
 28236  			return true
 28237  		}
 28238  		// match: (ZW (MOVDconst [c]) yes no)
 28239  		// cond: int32(c) != 0
 28240  		// result: (First no yes)
 28241  		for b.Controls[0].Op == OpARM64MOVDconst {
 28242  			v_0 := b.Controls[0]
 28243  			c := auxIntToInt64(v_0.AuxInt)
 28244  			if !(int32(c) != 0) {
 28245  				break
 28246  			}
 28247  			b.Reset(block.BlockFirst)
 28248  			b.swapSuccessors()
 28249  			return true
 28250  		}
 28251  	}
 28252  	return false
 28253  }
 28254  

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