github.com/go-asm/go@v1.21.1-0.20240213172139-40c5ead50c48/cmd/compile/ssa/rewriteRISCV64.go (about)

     1  // Code generated from _gen/RISCV64.rules using 'go generate'; DO NOT EDIT.
     2  
     3  package ssa
     4  
     5  import (
     6  	"math"
     7  
     8  	"github.com/go-asm/go/cmd/compile/types"
     9  )
    10  
    11  func rewriteValueRISCV64(v *Value) bool {
    12  	switch v.Op {
    13  	case OpAbs:
    14  		v.Op = OpRISCV64FABSD
    15  		return true
    16  	case OpAdd16:
    17  		v.Op = OpRISCV64ADD
    18  		return true
    19  	case OpAdd32:
    20  		v.Op = OpRISCV64ADD
    21  		return true
    22  	case OpAdd32F:
    23  		v.Op = OpRISCV64FADDS
    24  		return true
    25  	case OpAdd64:
    26  		v.Op = OpRISCV64ADD
    27  		return true
    28  	case OpAdd64F:
    29  		v.Op = OpRISCV64FADDD
    30  		return true
    31  	case OpAdd8:
    32  		v.Op = OpRISCV64ADD
    33  		return true
    34  	case OpAddPtr:
    35  		v.Op = OpRISCV64ADD
    36  		return true
    37  	case OpAddr:
    38  		return rewriteValueRISCV64_OpAddr(v)
    39  	case OpAnd16:
    40  		v.Op = OpRISCV64AND
    41  		return true
    42  	case OpAnd32:
    43  		v.Op = OpRISCV64AND
    44  		return true
    45  	case OpAnd64:
    46  		v.Op = OpRISCV64AND
    47  		return true
    48  	case OpAnd8:
    49  		v.Op = OpRISCV64AND
    50  		return true
    51  	case OpAndB:
    52  		v.Op = OpRISCV64AND
    53  		return true
    54  	case OpAtomicAdd32:
    55  		v.Op = OpRISCV64LoweredAtomicAdd32
    56  		return true
    57  	case OpAtomicAdd64:
    58  		v.Op = OpRISCV64LoweredAtomicAdd64
    59  		return true
    60  	case OpAtomicAnd32:
    61  		v.Op = OpRISCV64LoweredAtomicAnd32
    62  		return true
    63  	case OpAtomicAnd8:
    64  		return rewriteValueRISCV64_OpAtomicAnd8(v)
    65  	case OpAtomicCompareAndSwap32:
    66  		return rewriteValueRISCV64_OpAtomicCompareAndSwap32(v)
    67  	case OpAtomicCompareAndSwap64:
    68  		v.Op = OpRISCV64LoweredAtomicCas64
    69  		return true
    70  	case OpAtomicExchange32:
    71  		v.Op = OpRISCV64LoweredAtomicExchange32
    72  		return true
    73  	case OpAtomicExchange64:
    74  		v.Op = OpRISCV64LoweredAtomicExchange64
    75  		return true
    76  	case OpAtomicLoad32:
    77  		v.Op = OpRISCV64LoweredAtomicLoad32
    78  		return true
    79  	case OpAtomicLoad64:
    80  		v.Op = OpRISCV64LoweredAtomicLoad64
    81  		return true
    82  	case OpAtomicLoad8:
    83  		v.Op = OpRISCV64LoweredAtomicLoad8
    84  		return true
    85  	case OpAtomicLoadPtr:
    86  		v.Op = OpRISCV64LoweredAtomicLoad64
    87  		return true
    88  	case OpAtomicOr32:
    89  		v.Op = OpRISCV64LoweredAtomicOr32
    90  		return true
    91  	case OpAtomicOr8:
    92  		return rewriteValueRISCV64_OpAtomicOr8(v)
    93  	case OpAtomicStore32:
    94  		v.Op = OpRISCV64LoweredAtomicStore32
    95  		return true
    96  	case OpAtomicStore64:
    97  		v.Op = OpRISCV64LoweredAtomicStore64
    98  		return true
    99  	case OpAtomicStore8:
   100  		v.Op = OpRISCV64LoweredAtomicStore8
   101  		return true
   102  	case OpAtomicStorePtrNoWB:
   103  		v.Op = OpRISCV64LoweredAtomicStore64
   104  		return true
   105  	case OpAvg64u:
   106  		return rewriteValueRISCV64_OpAvg64u(v)
   107  	case OpClosureCall:
   108  		v.Op = OpRISCV64CALLclosure
   109  		return true
   110  	case OpCom16:
   111  		v.Op = OpRISCV64NOT
   112  		return true
   113  	case OpCom32:
   114  		v.Op = OpRISCV64NOT
   115  		return true
   116  	case OpCom64:
   117  		v.Op = OpRISCV64NOT
   118  		return true
   119  	case OpCom8:
   120  		v.Op = OpRISCV64NOT
   121  		return true
   122  	case OpConst16:
   123  		return rewriteValueRISCV64_OpConst16(v)
   124  	case OpConst32:
   125  		return rewriteValueRISCV64_OpConst32(v)
   126  	case OpConst32F:
   127  		return rewriteValueRISCV64_OpConst32F(v)
   128  	case OpConst64:
   129  		return rewriteValueRISCV64_OpConst64(v)
   130  	case OpConst64F:
   131  		return rewriteValueRISCV64_OpConst64F(v)
   132  	case OpConst8:
   133  		return rewriteValueRISCV64_OpConst8(v)
   134  	case OpConstBool:
   135  		return rewriteValueRISCV64_OpConstBool(v)
   136  	case OpConstNil:
   137  		return rewriteValueRISCV64_OpConstNil(v)
   138  	case OpCopysign:
   139  		v.Op = OpRISCV64FSGNJD
   140  		return true
   141  	case OpCvt32Fto32:
   142  		v.Op = OpRISCV64FCVTWS
   143  		return true
   144  	case OpCvt32Fto64:
   145  		v.Op = OpRISCV64FCVTLS
   146  		return true
   147  	case OpCvt32Fto64F:
   148  		v.Op = OpRISCV64FCVTDS
   149  		return true
   150  	case OpCvt32to32F:
   151  		v.Op = OpRISCV64FCVTSW
   152  		return true
   153  	case OpCvt32to64F:
   154  		v.Op = OpRISCV64FCVTDW
   155  		return true
   156  	case OpCvt64Fto32:
   157  		v.Op = OpRISCV64FCVTWD
   158  		return true
   159  	case OpCvt64Fto32F:
   160  		v.Op = OpRISCV64FCVTSD
   161  		return true
   162  	case OpCvt64Fto64:
   163  		v.Op = OpRISCV64FCVTLD
   164  		return true
   165  	case OpCvt64to32F:
   166  		v.Op = OpRISCV64FCVTSL
   167  		return true
   168  	case OpCvt64to64F:
   169  		v.Op = OpRISCV64FCVTDL
   170  		return true
   171  	case OpCvtBoolToUint8:
   172  		v.Op = OpCopy
   173  		return true
   174  	case OpDiv16:
   175  		return rewriteValueRISCV64_OpDiv16(v)
   176  	case OpDiv16u:
   177  		return rewriteValueRISCV64_OpDiv16u(v)
   178  	case OpDiv32:
   179  		return rewriteValueRISCV64_OpDiv32(v)
   180  	case OpDiv32F:
   181  		v.Op = OpRISCV64FDIVS
   182  		return true
   183  	case OpDiv32u:
   184  		v.Op = OpRISCV64DIVUW
   185  		return true
   186  	case OpDiv64:
   187  		return rewriteValueRISCV64_OpDiv64(v)
   188  	case OpDiv64F:
   189  		v.Op = OpRISCV64FDIVD
   190  		return true
   191  	case OpDiv64u:
   192  		v.Op = OpRISCV64DIVU
   193  		return true
   194  	case OpDiv8:
   195  		return rewriteValueRISCV64_OpDiv8(v)
   196  	case OpDiv8u:
   197  		return rewriteValueRISCV64_OpDiv8u(v)
   198  	case OpEq16:
   199  		return rewriteValueRISCV64_OpEq16(v)
   200  	case OpEq32:
   201  		return rewriteValueRISCV64_OpEq32(v)
   202  	case OpEq32F:
   203  		v.Op = OpRISCV64FEQS
   204  		return true
   205  	case OpEq64:
   206  		return rewriteValueRISCV64_OpEq64(v)
   207  	case OpEq64F:
   208  		v.Op = OpRISCV64FEQD
   209  		return true
   210  	case OpEq8:
   211  		return rewriteValueRISCV64_OpEq8(v)
   212  	case OpEqB:
   213  		return rewriteValueRISCV64_OpEqB(v)
   214  	case OpEqPtr:
   215  		return rewriteValueRISCV64_OpEqPtr(v)
   216  	case OpFMA:
   217  		v.Op = OpRISCV64FMADDD
   218  		return true
   219  	case OpGetCallerPC:
   220  		v.Op = OpRISCV64LoweredGetCallerPC
   221  		return true
   222  	case OpGetCallerSP:
   223  		v.Op = OpRISCV64LoweredGetCallerSP
   224  		return true
   225  	case OpGetClosurePtr:
   226  		v.Op = OpRISCV64LoweredGetClosurePtr
   227  		return true
   228  	case OpHmul32:
   229  		return rewriteValueRISCV64_OpHmul32(v)
   230  	case OpHmul32u:
   231  		return rewriteValueRISCV64_OpHmul32u(v)
   232  	case OpHmul64:
   233  		v.Op = OpRISCV64MULH
   234  		return true
   235  	case OpHmul64u:
   236  		v.Op = OpRISCV64MULHU
   237  		return true
   238  	case OpInterCall:
   239  		v.Op = OpRISCV64CALLinter
   240  		return true
   241  	case OpIsInBounds:
   242  		v.Op = OpLess64U
   243  		return true
   244  	case OpIsNonNil:
   245  		v.Op = OpRISCV64SNEZ
   246  		return true
   247  	case OpIsSliceInBounds:
   248  		v.Op = OpLeq64U
   249  		return true
   250  	case OpLeq16:
   251  		return rewriteValueRISCV64_OpLeq16(v)
   252  	case OpLeq16U:
   253  		return rewriteValueRISCV64_OpLeq16U(v)
   254  	case OpLeq32:
   255  		return rewriteValueRISCV64_OpLeq32(v)
   256  	case OpLeq32F:
   257  		v.Op = OpRISCV64FLES
   258  		return true
   259  	case OpLeq32U:
   260  		return rewriteValueRISCV64_OpLeq32U(v)
   261  	case OpLeq64:
   262  		return rewriteValueRISCV64_OpLeq64(v)
   263  	case OpLeq64F:
   264  		v.Op = OpRISCV64FLED
   265  		return true
   266  	case OpLeq64U:
   267  		return rewriteValueRISCV64_OpLeq64U(v)
   268  	case OpLeq8:
   269  		return rewriteValueRISCV64_OpLeq8(v)
   270  	case OpLeq8U:
   271  		return rewriteValueRISCV64_OpLeq8U(v)
   272  	case OpLess16:
   273  		return rewriteValueRISCV64_OpLess16(v)
   274  	case OpLess16U:
   275  		return rewriteValueRISCV64_OpLess16U(v)
   276  	case OpLess32:
   277  		return rewriteValueRISCV64_OpLess32(v)
   278  	case OpLess32F:
   279  		v.Op = OpRISCV64FLTS
   280  		return true
   281  	case OpLess32U:
   282  		return rewriteValueRISCV64_OpLess32U(v)
   283  	case OpLess64:
   284  		v.Op = OpRISCV64SLT
   285  		return true
   286  	case OpLess64F:
   287  		v.Op = OpRISCV64FLTD
   288  		return true
   289  	case OpLess64U:
   290  		v.Op = OpRISCV64SLTU
   291  		return true
   292  	case OpLess8:
   293  		return rewriteValueRISCV64_OpLess8(v)
   294  	case OpLess8U:
   295  		return rewriteValueRISCV64_OpLess8U(v)
   296  	case OpLoad:
   297  		return rewriteValueRISCV64_OpLoad(v)
   298  	case OpLocalAddr:
   299  		return rewriteValueRISCV64_OpLocalAddr(v)
   300  	case OpLsh16x16:
   301  		return rewriteValueRISCV64_OpLsh16x16(v)
   302  	case OpLsh16x32:
   303  		return rewriteValueRISCV64_OpLsh16x32(v)
   304  	case OpLsh16x64:
   305  		return rewriteValueRISCV64_OpLsh16x64(v)
   306  	case OpLsh16x8:
   307  		return rewriteValueRISCV64_OpLsh16x8(v)
   308  	case OpLsh32x16:
   309  		return rewriteValueRISCV64_OpLsh32x16(v)
   310  	case OpLsh32x32:
   311  		return rewriteValueRISCV64_OpLsh32x32(v)
   312  	case OpLsh32x64:
   313  		return rewriteValueRISCV64_OpLsh32x64(v)
   314  	case OpLsh32x8:
   315  		return rewriteValueRISCV64_OpLsh32x8(v)
   316  	case OpLsh64x16:
   317  		return rewriteValueRISCV64_OpLsh64x16(v)
   318  	case OpLsh64x32:
   319  		return rewriteValueRISCV64_OpLsh64x32(v)
   320  	case OpLsh64x64:
   321  		return rewriteValueRISCV64_OpLsh64x64(v)
   322  	case OpLsh64x8:
   323  		return rewriteValueRISCV64_OpLsh64x8(v)
   324  	case OpLsh8x16:
   325  		return rewriteValueRISCV64_OpLsh8x16(v)
   326  	case OpLsh8x32:
   327  		return rewriteValueRISCV64_OpLsh8x32(v)
   328  	case OpLsh8x64:
   329  		return rewriteValueRISCV64_OpLsh8x64(v)
   330  	case OpLsh8x8:
   331  		return rewriteValueRISCV64_OpLsh8x8(v)
   332  	case OpMod16:
   333  		return rewriteValueRISCV64_OpMod16(v)
   334  	case OpMod16u:
   335  		return rewriteValueRISCV64_OpMod16u(v)
   336  	case OpMod32:
   337  		return rewriteValueRISCV64_OpMod32(v)
   338  	case OpMod32u:
   339  		v.Op = OpRISCV64REMUW
   340  		return true
   341  	case OpMod64:
   342  		return rewriteValueRISCV64_OpMod64(v)
   343  	case OpMod64u:
   344  		v.Op = OpRISCV64REMU
   345  		return true
   346  	case OpMod8:
   347  		return rewriteValueRISCV64_OpMod8(v)
   348  	case OpMod8u:
   349  		return rewriteValueRISCV64_OpMod8u(v)
   350  	case OpMove:
   351  		return rewriteValueRISCV64_OpMove(v)
   352  	case OpMul16:
   353  		return rewriteValueRISCV64_OpMul16(v)
   354  	case OpMul32:
   355  		v.Op = OpRISCV64MULW
   356  		return true
   357  	case OpMul32F:
   358  		v.Op = OpRISCV64FMULS
   359  		return true
   360  	case OpMul64:
   361  		v.Op = OpRISCV64MUL
   362  		return true
   363  	case OpMul64F:
   364  		v.Op = OpRISCV64FMULD
   365  		return true
   366  	case OpMul64uhilo:
   367  		v.Op = OpRISCV64LoweredMuluhilo
   368  		return true
   369  	case OpMul64uover:
   370  		v.Op = OpRISCV64LoweredMuluover
   371  		return true
   372  	case OpMul8:
   373  		return rewriteValueRISCV64_OpMul8(v)
   374  	case OpNeg16:
   375  		v.Op = OpRISCV64NEG
   376  		return true
   377  	case OpNeg32:
   378  		v.Op = OpRISCV64NEG
   379  		return true
   380  	case OpNeg32F:
   381  		v.Op = OpRISCV64FNEGS
   382  		return true
   383  	case OpNeg64:
   384  		v.Op = OpRISCV64NEG
   385  		return true
   386  	case OpNeg64F:
   387  		v.Op = OpRISCV64FNEGD
   388  		return true
   389  	case OpNeg8:
   390  		v.Op = OpRISCV64NEG
   391  		return true
   392  	case OpNeq16:
   393  		return rewriteValueRISCV64_OpNeq16(v)
   394  	case OpNeq32:
   395  		return rewriteValueRISCV64_OpNeq32(v)
   396  	case OpNeq32F:
   397  		v.Op = OpRISCV64FNES
   398  		return true
   399  	case OpNeq64:
   400  		return rewriteValueRISCV64_OpNeq64(v)
   401  	case OpNeq64F:
   402  		v.Op = OpRISCV64FNED
   403  		return true
   404  	case OpNeq8:
   405  		return rewriteValueRISCV64_OpNeq8(v)
   406  	case OpNeqB:
   407  		return rewriteValueRISCV64_OpNeqB(v)
   408  	case OpNeqPtr:
   409  		return rewriteValueRISCV64_OpNeqPtr(v)
   410  	case OpNilCheck:
   411  		v.Op = OpRISCV64LoweredNilCheck
   412  		return true
   413  	case OpNot:
   414  		v.Op = OpRISCV64SEQZ
   415  		return true
   416  	case OpOffPtr:
   417  		return rewriteValueRISCV64_OpOffPtr(v)
   418  	case OpOr16:
   419  		v.Op = OpRISCV64OR
   420  		return true
   421  	case OpOr32:
   422  		v.Op = OpRISCV64OR
   423  		return true
   424  	case OpOr64:
   425  		v.Op = OpRISCV64OR
   426  		return true
   427  	case OpOr8:
   428  		v.Op = OpRISCV64OR
   429  		return true
   430  	case OpOrB:
   431  		v.Op = OpRISCV64OR
   432  		return true
   433  	case OpPanicBounds:
   434  		return rewriteValueRISCV64_OpPanicBounds(v)
   435  	case OpPubBarrier:
   436  		v.Op = OpRISCV64LoweredPubBarrier
   437  		return true
   438  	case OpRISCV64ADD:
   439  		return rewriteValueRISCV64_OpRISCV64ADD(v)
   440  	case OpRISCV64ADDI:
   441  		return rewriteValueRISCV64_OpRISCV64ADDI(v)
   442  	case OpRISCV64AND:
   443  		return rewriteValueRISCV64_OpRISCV64AND(v)
   444  	case OpRISCV64ANDI:
   445  		return rewriteValueRISCV64_OpRISCV64ANDI(v)
   446  	case OpRISCV64FADDD:
   447  		return rewriteValueRISCV64_OpRISCV64FADDD(v)
   448  	case OpRISCV64FADDS:
   449  		return rewriteValueRISCV64_OpRISCV64FADDS(v)
   450  	case OpRISCV64FMADDD:
   451  		return rewriteValueRISCV64_OpRISCV64FMADDD(v)
   452  	case OpRISCV64FMADDS:
   453  		return rewriteValueRISCV64_OpRISCV64FMADDS(v)
   454  	case OpRISCV64FMSUBD:
   455  		return rewriteValueRISCV64_OpRISCV64FMSUBD(v)
   456  	case OpRISCV64FMSUBS:
   457  		return rewriteValueRISCV64_OpRISCV64FMSUBS(v)
   458  	case OpRISCV64FNMADDD:
   459  		return rewriteValueRISCV64_OpRISCV64FNMADDD(v)
   460  	case OpRISCV64FNMADDS:
   461  		return rewriteValueRISCV64_OpRISCV64FNMADDS(v)
   462  	case OpRISCV64FNMSUBD:
   463  		return rewriteValueRISCV64_OpRISCV64FNMSUBD(v)
   464  	case OpRISCV64FNMSUBS:
   465  		return rewriteValueRISCV64_OpRISCV64FNMSUBS(v)
   466  	case OpRISCV64FSUBD:
   467  		return rewriteValueRISCV64_OpRISCV64FSUBD(v)
   468  	case OpRISCV64FSUBS:
   469  		return rewriteValueRISCV64_OpRISCV64FSUBS(v)
   470  	case OpRISCV64MOVBUload:
   471  		return rewriteValueRISCV64_OpRISCV64MOVBUload(v)
   472  	case OpRISCV64MOVBUreg:
   473  		return rewriteValueRISCV64_OpRISCV64MOVBUreg(v)
   474  	case OpRISCV64MOVBload:
   475  		return rewriteValueRISCV64_OpRISCV64MOVBload(v)
   476  	case OpRISCV64MOVBreg:
   477  		return rewriteValueRISCV64_OpRISCV64MOVBreg(v)
   478  	case OpRISCV64MOVBstore:
   479  		return rewriteValueRISCV64_OpRISCV64MOVBstore(v)
   480  	case OpRISCV64MOVBstorezero:
   481  		return rewriteValueRISCV64_OpRISCV64MOVBstorezero(v)
   482  	case OpRISCV64MOVDload:
   483  		return rewriteValueRISCV64_OpRISCV64MOVDload(v)
   484  	case OpRISCV64MOVDnop:
   485  		return rewriteValueRISCV64_OpRISCV64MOVDnop(v)
   486  	case OpRISCV64MOVDreg:
   487  		return rewriteValueRISCV64_OpRISCV64MOVDreg(v)
   488  	case OpRISCV64MOVDstore:
   489  		return rewriteValueRISCV64_OpRISCV64MOVDstore(v)
   490  	case OpRISCV64MOVDstorezero:
   491  		return rewriteValueRISCV64_OpRISCV64MOVDstorezero(v)
   492  	case OpRISCV64MOVHUload:
   493  		return rewriteValueRISCV64_OpRISCV64MOVHUload(v)
   494  	case OpRISCV64MOVHUreg:
   495  		return rewriteValueRISCV64_OpRISCV64MOVHUreg(v)
   496  	case OpRISCV64MOVHload:
   497  		return rewriteValueRISCV64_OpRISCV64MOVHload(v)
   498  	case OpRISCV64MOVHreg:
   499  		return rewriteValueRISCV64_OpRISCV64MOVHreg(v)
   500  	case OpRISCV64MOVHstore:
   501  		return rewriteValueRISCV64_OpRISCV64MOVHstore(v)
   502  	case OpRISCV64MOVHstorezero:
   503  		return rewriteValueRISCV64_OpRISCV64MOVHstorezero(v)
   504  	case OpRISCV64MOVWUload:
   505  		return rewriteValueRISCV64_OpRISCV64MOVWUload(v)
   506  	case OpRISCV64MOVWUreg:
   507  		return rewriteValueRISCV64_OpRISCV64MOVWUreg(v)
   508  	case OpRISCV64MOVWload:
   509  		return rewriteValueRISCV64_OpRISCV64MOVWload(v)
   510  	case OpRISCV64MOVWreg:
   511  		return rewriteValueRISCV64_OpRISCV64MOVWreg(v)
   512  	case OpRISCV64MOVWstore:
   513  		return rewriteValueRISCV64_OpRISCV64MOVWstore(v)
   514  	case OpRISCV64MOVWstorezero:
   515  		return rewriteValueRISCV64_OpRISCV64MOVWstorezero(v)
   516  	case OpRISCV64NEG:
   517  		return rewriteValueRISCV64_OpRISCV64NEG(v)
   518  	case OpRISCV64NEGW:
   519  		return rewriteValueRISCV64_OpRISCV64NEGW(v)
   520  	case OpRISCV64OR:
   521  		return rewriteValueRISCV64_OpRISCV64OR(v)
   522  	case OpRISCV64ORI:
   523  		return rewriteValueRISCV64_OpRISCV64ORI(v)
   524  	case OpRISCV64SEQZ:
   525  		return rewriteValueRISCV64_OpRISCV64SEQZ(v)
   526  	case OpRISCV64SLL:
   527  		return rewriteValueRISCV64_OpRISCV64SLL(v)
   528  	case OpRISCV64SLLI:
   529  		return rewriteValueRISCV64_OpRISCV64SLLI(v)
   530  	case OpRISCV64SLT:
   531  		return rewriteValueRISCV64_OpRISCV64SLT(v)
   532  	case OpRISCV64SLTI:
   533  		return rewriteValueRISCV64_OpRISCV64SLTI(v)
   534  	case OpRISCV64SLTIU:
   535  		return rewriteValueRISCV64_OpRISCV64SLTIU(v)
   536  	case OpRISCV64SLTU:
   537  		return rewriteValueRISCV64_OpRISCV64SLTU(v)
   538  	case OpRISCV64SNEZ:
   539  		return rewriteValueRISCV64_OpRISCV64SNEZ(v)
   540  	case OpRISCV64SRA:
   541  		return rewriteValueRISCV64_OpRISCV64SRA(v)
   542  	case OpRISCV64SRAI:
   543  		return rewriteValueRISCV64_OpRISCV64SRAI(v)
   544  	case OpRISCV64SRAW:
   545  		return rewriteValueRISCV64_OpRISCV64SRAW(v)
   546  	case OpRISCV64SRL:
   547  		return rewriteValueRISCV64_OpRISCV64SRL(v)
   548  	case OpRISCV64SRLI:
   549  		return rewriteValueRISCV64_OpRISCV64SRLI(v)
   550  	case OpRISCV64SRLW:
   551  		return rewriteValueRISCV64_OpRISCV64SRLW(v)
   552  	case OpRISCV64SUB:
   553  		return rewriteValueRISCV64_OpRISCV64SUB(v)
   554  	case OpRISCV64SUBW:
   555  		return rewriteValueRISCV64_OpRISCV64SUBW(v)
   556  	case OpRISCV64XOR:
   557  		return rewriteValueRISCV64_OpRISCV64XOR(v)
   558  	case OpRotateLeft16:
   559  		return rewriteValueRISCV64_OpRotateLeft16(v)
   560  	case OpRotateLeft32:
   561  		return rewriteValueRISCV64_OpRotateLeft32(v)
   562  	case OpRotateLeft64:
   563  		return rewriteValueRISCV64_OpRotateLeft64(v)
   564  	case OpRotateLeft8:
   565  		return rewriteValueRISCV64_OpRotateLeft8(v)
   566  	case OpRound32F:
   567  		v.Op = OpRISCV64LoweredRound32F
   568  		return true
   569  	case OpRound64F:
   570  		v.Op = OpRISCV64LoweredRound64F
   571  		return true
   572  	case OpRsh16Ux16:
   573  		return rewriteValueRISCV64_OpRsh16Ux16(v)
   574  	case OpRsh16Ux32:
   575  		return rewriteValueRISCV64_OpRsh16Ux32(v)
   576  	case OpRsh16Ux64:
   577  		return rewriteValueRISCV64_OpRsh16Ux64(v)
   578  	case OpRsh16Ux8:
   579  		return rewriteValueRISCV64_OpRsh16Ux8(v)
   580  	case OpRsh16x16:
   581  		return rewriteValueRISCV64_OpRsh16x16(v)
   582  	case OpRsh16x32:
   583  		return rewriteValueRISCV64_OpRsh16x32(v)
   584  	case OpRsh16x64:
   585  		return rewriteValueRISCV64_OpRsh16x64(v)
   586  	case OpRsh16x8:
   587  		return rewriteValueRISCV64_OpRsh16x8(v)
   588  	case OpRsh32Ux16:
   589  		return rewriteValueRISCV64_OpRsh32Ux16(v)
   590  	case OpRsh32Ux32:
   591  		return rewriteValueRISCV64_OpRsh32Ux32(v)
   592  	case OpRsh32Ux64:
   593  		return rewriteValueRISCV64_OpRsh32Ux64(v)
   594  	case OpRsh32Ux8:
   595  		return rewriteValueRISCV64_OpRsh32Ux8(v)
   596  	case OpRsh32x16:
   597  		return rewriteValueRISCV64_OpRsh32x16(v)
   598  	case OpRsh32x32:
   599  		return rewriteValueRISCV64_OpRsh32x32(v)
   600  	case OpRsh32x64:
   601  		return rewriteValueRISCV64_OpRsh32x64(v)
   602  	case OpRsh32x8:
   603  		return rewriteValueRISCV64_OpRsh32x8(v)
   604  	case OpRsh64Ux16:
   605  		return rewriteValueRISCV64_OpRsh64Ux16(v)
   606  	case OpRsh64Ux32:
   607  		return rewriteValueRISCV64_OpRsh64Ux32(v)
   608  	case OpRsh64Ux64:
   609  		return rewriteValueRISCV64_OpRsh64Ux64(v)
   610  	case OpRsh64Ux8:
   611  		return rewriteValueRISCV64_OpRsh64Ux8(v)
   612  	case OpRsh64x16:
   613  		return rewriteValueRISCV64_OpRsh64x16(v)
   614  	case OpRsh64x32:
   615  		return rewriteValueRISCV64_OpRsh64x32(v)
   616  	case OpRsh64x64:
   617  		return rewriteValueRISCV64_OpRsh64x64(v)
   618  	case OpRsh64x8:
   619  		return rewriteValueRISCV64_OpRsh64x8(v)
   620  	case OpRsh8Ux16:
   621  		return rewriteValueRISCV64_OpRsh8Ux16(v)
   622  	case OpRsh8Ux32:
   623  		return rewriteValueRISCV64_OpRsh8Ux32(v)
   624  	case OpRsh8Ux64:
   625  		return rewriteValueRISCV64_OpRsh8Ux64(v)
   626  	case OpRsh8Ux8:
   627  		return rewriteValueRISCV64_OpRsh8Ux8(v)
   628  	case OpRsh8x16:
   629  		return rewriteValueRISCV64_OpRsh8x16(v)
   630  	case OpRsh8x32:
   631  		return rewriteValueRISCV64_OpRsh8x32(v)
   632  	case OpRsh8x64:
   633  		return rewriteValueRISCV64_OpRsh8x64(v)
   634  	case OpRsh8x8:
   635  		return rewriteValueRISCV64_OpRsh8x8(v)
   636  	case OpSelect0:
   637  		return rewriteValueRISCV64_OpSelect0(v)
   638  	case OpSelect1:
   639  		return rewriteValueRISCV64_OpSelect1(v)
   640  	case OpSignExt16to32:
   641  		v.Op = OpRISCV64MOVHreg
   642  		return true
   643  	case OpSignExt16to64:
   644  		v.Op = OpRISCV64MOVHreg
   645  		return true
   646  	case OpSignExt32to64:
   647  		v.Op = OpRISCV64MOVWreg
   648  		return true
   649  	case OpSignExt8to16:
   650  		v.Op = OpRISCV64MOVBreg
   651  		return true
   652  	case OpSignExt8to32:
   653  		v.Op = OpRISCV64MOVBreg
   654  		return true
   655  	case OpSignExt8to64:
   656  		v.Op = OpRISCV64MOVBreg
   657  		return true
   658  	case OpSlicemask:
   659  		return rewriteValueRISCV64_OpSlicemask(v)
   660  	case OpSqrt:
   661  		v.Op = OpRISCV64FSQRTD
   662  		return true
   663  	case OpSqrt32:
   664  		v.Op = OpRISCV64FSQRTS
   665  		return true
   666  	case OpStaticCall:
   667  		v.Op = OpRISCV64CALLstatic
   668  		return true
   669  	case OpStore:
   670  		return rewriteValueRISCV64_OpStore(v)
   671  	case OpSub16:
   672  		v.Op = OpRISCV64SUB
   673  		return true
   674  	case OpSub32:
   675  		v.Op = OpRISCV64SUB
   676  		return true
   677  	case OpSub32F:
   678  		v.Op = OpRISCV64FSUBS
   679  		return true
   680  	case OpSub64:
   681  		v.Op = OpRISCV64SUB
   682  		return true
   683  	case OpSub64F:
   684  		v.Op = OpRISCV64FSUBD
   685  		return true
   686  	case OpSub8:
   687  		v.Op = OpRISCV64SUB
   688  		return true
   689  	case OpSubPtr:
   690  		v.Op = OpRISCV64SUB
   691  		return true
   692  	case OpTailCall:
   693  		v.Op = OpRISCV64CALLtail
   694  		return true
   695  	case OpTrunc16to8:
   696  		v.Op = OpCopy
   697  		return true
   698  	case OpTrunc32to16:
   699  		v.Op = OpCopy
   700  		return true
   701  	case OpTrunc32to8:
   702  		v.Op = OpCopy
   703  		return true
   704  	case OpTrunc64to16:
   705  		v.Op = OpCopy
   706  		return true
   707  	case OpTrunc64to32:
   708  		v.Op = OpCopy
   709  		return true
   710  	case OpTrunc64to8:
   711  		v.Op = OpCopy
   712  		return true
   713  	case OpWB:
   714  		v.Op = OpRISCV64LoweredWB
   715  		return true
   716  	case OpXor16:
   717  		v.Op = OpRISCV64XOR
   718  		return true
   719  	case OpXor32:
   720  		v.Op = OpRISCV64XOR
   721  		return true
   722  	case OpXor64:
   723  		v.Op = OpRISCV64XOR
   724  		return true
   725  	case OpXor8:
   726  		v.Op = OpRISCV64XOR
   727  		return true
   728  	case OpZero:
   729  		return rewriteValueRISCV64_OpZero(v)
   730  	case OpZeroExt16to32:
   731  		v.Op = OpRISCV64MOVHUreg
   732  		return true
   733  	case OpZeroExt16to64:
   734  		v.Op = OpRISCV64MOVHUreg
   735  		return true
   736  	case OpZeroExt32to64:
   737  		v.Op = OpRISCV64MOVWUreg
   738  		return true
   739  	case OpZeroExt8to16:
   740  		v.Op = OpRISCV64MOVBUreg
   741  		return true
   742  	case OpZeroExt8to32:
   743  		v.Op = OpRISCV64MOVBUreg
   744  		return true
   745  	case OpZeroExt8to64:
   746  		v.Op = OpRISCV64MOVBUreg
   747  		return true
   748  	}
   749  	return false
   750  }
   751  func rewriteValueRISCV64_OpAddr(v *Value) bool {
   752  	v_0 := v.Args[0]
   753  	// match: (Addr {sym} base)
   754  	// result: (MOVaddr {sym} [0] base)
   755  	for {
   756  		sym := auxToSym(v.Aux)
   757  		base := v_0
   758  		v.reset(OpRISCV64MOVaddr)
   759  		v.AuxInt = int32ToAuxInt(0)
   760  		v.Aux = symToAux(sym)
   761  		v.AddArg(base)
   762  		return true
   763  	}
   764  }
   765  func rewriteValueRISCV64_OpAtomicAnd8(v *Value) bool {
   766  	v_2 := v.Args[2]
   767  	v_1 := v.Args[1]
   768  	v_0 := v.Args[0]
   769  	b := v.Block
   770  	typ := &b.Func.Config.Types
   771  	// match: (AtomicAnd8 ptr val mem)
   772  	// result: (LoweredAtomicAnd32 (ANDI <typ.Uintptr> [^3] ptr) (NOT <typ.UInt32> (SLL <typ.UInt32> (XORI <typ.UInt32> [0xff] (ZeroExt8to32 val)) (SLLI <typ.UInt64> [3] (ANDI <typ.UInt64> [3] ptr)))) mem)
   773  	for {
   774  		ptr := v_0
   775  		val := v_1
   776  		mem := v_2
   777  		v.reset(OpRISCV64LoweredAtomicAnd32)
   778  		v0 := b.NewValue0(v.Pos, OpRISCV64ANDI, typ.Uintptr)
   779  		v0.AuxInt = int64ToAuxInt(^3)
   780  		v0.AddArg(ptr)
   781  		v1 := b.NewValue0(v.Pos, OpRISCV64NOT, typ.UInt32)
   782  		v2 := b.NewValue0(v.Pos, OpRISCV64SLL, typ.UInt32)
   783  		v3 := b.NewValue0(v.Pos, OpRISCV64XORI, typ.UInt32)
   784  		v3.AuxInt = int64ToAuxInt(0xff)
   785  		v4 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
   786  		v4.AddArg(val)
   787  		v3.AddArg(v4)
   788  		v5 := b.NewValue0(v.Pos, OpRISCV64SLLI, typ.UInt64)
   789  		v5.AuxInt = int64ToAuxInt(3)
   790  		v6 := b.NewValue0(v.Pos, OpRISCV64ANDI, typ.UInt64)
   791  		v6.AuxInt = int64ToAuxInt(3)
   792  		v6.AddArg(ptr)
   793  		v5.AddArg(v6)
   794  		v2.AddArg2(v3, v5)
   795  		v1.AddArg(v2)
   796  		v.AddArg3(v0, v1, mem)
   797  		return true
   798  	}
   799  }
   800  func rewriteValueRISCV64_OpAtomicCompareAndSwap32(v *Value) bool {
   801  	v_3 := v.Args[3]
   802  	v_2 := v.Args[2]
   803  	v_1 := v.Args[1]
   804  	v_0 := v.Args[0]
   805  	b := v.Block
   806  	typ := &b.Func.Config.Types
   807  	// match: (AtomicCompareAndSwap32 ptr old new mem)
   808  	// result: (LoweredAtomicCas32 ptr (SignExt32to64 old) new mem)
   809  	for {
   810  		ptr := v_0
   811  		old := v_1
   812  		new := v_2
   813  		mem := v_3
   814  		v.reset(OpRISCV64LoweredAtomicCas32)
   815  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
   816  		v0.AddArg(old)
   817  		v.AddArg4(ptr, v0, new, mem)
   818  		return true
   819  	}
   820  }
   821  func rewriteValueRISCV64_OpAtomicOr8(v *Value) bool {
   822  	v_2 := v.Args[2]
   823  	v_1 := v.Args[1]
   824  	v_0 := v.Args[0]
   825  	b := v.Block
   826  	typ := &b.Func.Config.Types
   827  	// match: (AtomicOr8 ptr val mem)
   828  	// result: (LoweredAtomicOr32 (ANDI <typ.Uintptr> [^3] ptr) (SLL <typ.UInt32> (ZeroExt8to32 val) (SLLI <typ.UInt64> [3] (ANDI <typ.UInt64> [3] ptr))) mem)
   829  	for {
   830  		ptr := v_0
   831  		val := v_1
   832  		mem := v_2
   833  		v.reset(OpRISCV64LoweredAtomicOr32)
   834  		v0 := b.NewValue0(v.Pos, OpRISCV64ANDI, typ.Uintptr)
   835  		v0.AuxInt = int64ToAuxInt(^3)
   836  		v0.AddArg(ptr)
   837  		v1 := b.NewValue0(v.Pos, OpRISCV64SLL, typ.UInt32)
   838  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
   839  		v2.AddArg(val)
   840  		v3 := b.NewValue0(v.Pos, OpRISCV64SLLI, typ.UInt64)
   841  		v3.AuxInt = int64ToAuxInt(3)
   842  		v4 := b.NewValue0(v.Pos, OpRISCV64ANDI, typ.UInt64)
   843  		v4.AuxInt = int64ToAuxInt(3)
   844  		v4.AddArg(ptr)
   845  		v3.AddArg(v4)
   846  		v1.AddArg2(v2, v3)
   847  		v.AddArg3(v0, v1, mem)
   848  		return true
   849  	}
   850  }
   851  func rewriteValueRISCV64_OpAvg64u(v *Value) bool {
   852  	v_1 := v.Args[1]
   853  	v_0 := v.Args[0]
   854  	b := v.Block
   855  	// match: (Avg64u <t> x y)
   856  	// result: (ADD (ADD <t> (SRLI <t> [1] x) (SRLI <t> [1] y)) (ANDI <t> [1] (AND <t> x y)))
   857  	for {
   858  		t := v.Type
   859  		x := v_0
   860  		y := v_1
   861  		v.reset(OpRISCV64ADD)
   862  		v0 := b.NewValue0(v.Pos, OpRISCV64ADD, t)
   863  		v1 := b.NewValue0(v.Pos, OpRISCV64SRLI, t)
   864  		v1.AuxInt = int64ToAuxInt(1)
   865  		v1.AddArg(x)
   866  		v2 := b.NewValue0(v.Pos, OpRISCV64SRLI, t)
   867  		v2.AuxInt = int64ToAuxInt(1)
   868  		v2.AddArg(y)
   869  		v0.AddArg2(v1, v2)
   870  		v3 := b.NewValue0(v.Pos, OpRISCV64ANDI, t)
   871  		v3.AuxInt = int64ToAuxInt(1)
   872  		v4 := b.NewValue0(v.Pos, OpRISCV64AND, t)
   873  		v4.AddArg2(x, y)
   874  		v3.AddArg(v4)
   875  		v.AddArg2(v0, v3)
   876  		return true
   877  	}
   878  }
   879  func rewriteValueRISCV64_OpConst16(v *Value) bool {
   880  	// match: (Const16 [val])
   881  	// result: (MOVDconst [int64(val)])
   882  	for {
   883  		val := auxIntToInt16(v.AuxInt)
   884  		v.reset(OpRISCV64MOVDconst)
   885  		v.AuxInt = int64ToAuxInt(int64(val))
   886  		return true
   887  	}
   888  }
   889  func rewriteValueRISCV64_OpConst32(v *Value) bool {
   890  	// match: (Const32 [val])
   891  	// result: (MOVDconst [int64(val)])
   892  	for {
   893  		val := auxIntToInt32(v.AuxInt)
   894  		v.reset(OpRISCV64MOVDconst)
   895  		v.AuxInt = int64ToAuxInt(int64(val))
   896  		return true
   897  	}
   898  }
   899  func rewriteValueRISCV64_OpConst32F(v *Value) bool {
   900  	b := v.Block
   901  	typ := &b.Func.Config.Types
   902  	// match: (Const32F [val])
   903  	// result: (FMVSX (MOVDconst [int64(math.Float32bits(val))]))
   904  	for {
   905  		val := auxIntToFloat32(v.AuxInt)
   906  		v.reset(OpRISCV64FMVSX)
   907  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
   908  		v0.AuxInt = int64ToAuxInt(int64(math.Float32bits(val)))
   909  		v.AddArg(v0)
   910  		return true
   911  	}
   912  }
   913  func rewriteValueRISCV64_OpConst64(v *Value) bool {
   914  	// match: (Const64 [val])
   915  	// result: (MOVDconst [int64(val)])
   916  	for {
   917  		val := auxIntToInt64(v.AuxInt)
   918  		v.reset(OpRISCV64MOVDconst)
   919  		v.AuxInt = int64ToAuxInt(int64(val))
   920  		return true
   921  	}
   922  }
   923  func rewriteValueRISCV64_OpConst64F(v *Value) bool {
   924  	b := v.Block
   925  	typ := &b.Func.Config.Types
   926  	// match: (Const64F [val])
   927  	// result: (FMVDX (MOVDconst [int64(math.Float64bits(val))]))
   928  	for {
   929  		val := auxIntToFloat64(v.AuxInt)
   930  		v.reset(OpRISCV64FMVDX)
   931  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
   932  		v0.AuxInt = int64ToAuxInt(int64(math.Float64bits(val)))
   933  		v.AddArg(v0)
   934  		return true
   935  	}
   936  }
   937  func rewriteValueRISCV64_OpConst8(v *Value) bool {
   938  	// match: (Const8 [val])
   939  	// result: (MOVDconst [int64(val)])
   940  	for {
   941  		val := auxIntToInt8(v.AuxInt)
   942  		v.reset(OpRISCV64MOVDconst)
   943  		v.AuxInt = int64ToAuxInt(int64(val))
   944  		return true
   945  	}
   946  }
   947  func rewriteValueRISCV64_OpConstBool(v *Value) bool {
   948  	// match: (ConstBool [val])
   949  	// result: (MOVDconst [int64(b2i(val))])
   950  	for {
   951  		val := auxIntToBool(v.AuxInt)
   952  		v.reset(OpRISCV64MOVDconst)
   953  		v.AuxInt = int64ToAuxInt(int64(b2i(val)))
   954  		return true
   955  	}
   956  }
   957  func rewriteValueRISCV64_OpConstNil(v *Value) bool {
   958  	// match: (ConstNil)
   959  	// result: (MOVDconst [0])
   960  	for {
   961  		v.reset(OpRISCV64MOVDconst)
   962  		v.AuxInt = int64ToAuxInt(0)
   963  		return true
   964  	}
   965  }
   966  func rewriteValueRISCV64_OpDiv16(v *Value) bool {
   967  	v_1 := v.Args[1]
   968  	v_0 := v.Args[0]
   969  	b := v.Block
   970  	typ := &b.Func.Config.Types
   971  	// match: (Div16 x y [false])
   972  	// result: (DIVW (SignExt16to32 x) (SignExt16to32 y))
   973  	for {
   974  		if auxIntToBool(v.AuxInt) != false {
   975  			break
   976  		}
   977  		x := v_0
   978  		y := v_1
   979  		v.reset(OpRISCV64DIVW)
   980  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
   981  		v0.AddArg(x)
   982  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
   983  		v1.AddArg(y)
   984  		v.AddArg2(v0, v1)
   985  		return true
   986  	}
   987  	return false
   988  }
   989  func rewriteValueRISCV64_OpDiv16u(v *Value) bool {
   990  	v_1 := v.Args[1]
   991  	v_0 := v.Args[0]
   992  	b := v.Block
   993  	typ := &b.Func.Config.Types
   994  	// match: (Div16u x y)
   995  	// result: (DIVUW (ZeroExt16to32 x) (ZeroExt16to32 y))
   996  	for {
   997  		x := v_0
   998  		y := v_1
   999  		v.reset(OpRISCV64DIVUW)
  1000  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
  1001  		v0.AddArg(x)
  1002  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
  1003  		v1.AddArg(y)
  1004  		v.AddArg2(v0, v1)
  1005  		return true
  1006  	}
  1007  }
  1008  func rewriteValueRISCV64_OpDiv32(v *Value) bool {
  1009  	v_1 := v.Args[1]
  1010  	v_0 := v.Args[0]
  1011  	// match: (Div32 x y [false])
  1012  	// result: (DIVW x y)
  1013  	for {
  1014  		if auxIntToBool(v.AuxInt) != false {
  1015  			break
  1016  		}
  1017  		x := v_0
  1018  		y := v_1
  1019  		v.reset(OpRISCV64DIVW)
  1020  		v.AddArg2(x, y)
  1021  		return true
  1022  	}
  1023  	return false
  1024  }
  1025  func rewriteValueRISCV64_OpDiv64(v *Value) bool {
  1026  	v_1 := v.Args[1]
  1027  	v_0 := v.Args[0]
  1028  	// match: (Div64 x y [false])
  1029  	// result: (DIV x y)
  1030  	for {
  1031  		if auxIntToBool(v.AuxInt) != false {
  1032  			break
  1033  		}
  1034  		x := v_0
  1035  		y := v_1
  1036  		v.reset(OpRISCV64DIV)
  1037  		v.AddArg2(x, y)
  1038  		return true
  1039  	}
  1040  	return false
  1041  }
  1042  func rewriteValueRISCV64_OpDiv8(v *Value) bool {
  1043  	v_1 := v.Args[1]
  1044  	v_0 := v.Args[0]
  1045  	b := v.Block
  1046  	typ := &b.Func.Config.Types
  1047  	// match: (Div8 x y)
  1048  	// result: (DIVW (SignExt8to32 x) (SignExt8to32 y))
  1049  	for {
  1050  		x := v_0
  1051  		y := v_1
  1052  		v.reset(OpRISCV64DIVW)
  1053  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
  1054  		v0.AddArg(x)
  1055  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
  1056  		v1.AddArg(y)
  1057  		v.AddArg2(v0, v1)
  1058  		return true
  1059  	}
  1060  }
  1061  func rewriteValueRISCV64_OpDiv8u(v *Value) bool {
  1062  	v_1 := v.Args[1]
  1063  	v_0 := v.Args[0]
  1064  	b := v.Block
  1065  	typ := &b.Func.Config.Types
  1066  	// match: (Div8u x y)
  1067  	// result: (DIVUW (ZeroExt8to32 x) (ZeroExt8to32 y))
  1068  	for {
  1069  		x := v_0
  1070  		y := v_1
  1071  		v.reset(OpRISCV64DIVUW)
  1072  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
  1073  		v0.AddArg(x)
  1074  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
  1075  		v1.AddArg(y)
  1076  		v.AddArg2(v0, v1)
  1077  		return true
  1078  	}
  1079  }
  1080  func rewriteValueRISCV64_OpEq16(v *Value) bool {
  1081  	v_1 := v.Args[1]
  1082  	v_0 := v.Args[0]
  1083  	b := v.Block
  1084  	typ := &b.Func.Config.Types
  1085  	// match: (Eq16 x y)
  1086  	// result: (SEQZ (SUB <x.Type> (ZeroExt16to64 x) (ZeroExt16to64 y)))
  1087  	for {
  1088  		x := v_0
  1089  		y := v_1
  1090  		v.reset(OpRISCV64SEQZ)
  1091  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, x.Type)
  1092  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  1093  		v1.AddArg(x)
  1094  		v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  1095  		v2.AddArg(y)
  1096  		v0.AddArg2(v1, v2)
  1097  		v.AddArg(v0)
  1098  		return true
  1099  	}
  1100  }
  1101  func rewriteValueRISCV64_OpEq32(v *Value) bool {
  1102  	v_1 := v.Args[1]
  1103  	v_0 := v.Args[0]
  1104  	b := v.Block
  1105  	typ := &b.Func.Config.Types
  1106  	// match: (Eq32 x y)
  1107  	// cond: x.Type.IsSigned()
  1108  	// result: (SEQZ (SUB <x.Type> (SignExt32to64 x) (SignExt32to64 y)))
  1109  	for {
  1110  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1111  			x := v_0
  1112  			y := v_1
  1113  			if !(x.Type.IsSigned()) {
  1114  				continue
  1115  			}
  1116  			v.reset(OpRISCV64SEQZ)
  1117  			v0 := b.NewValue0(v.Pos, OpRISCV64SUB, x.Type)
  1118  			v1 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
  1119  			v1.AddArg(x)
  1120  			v2 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
  1121  			v2.AddArg(y)
  1122  			v0.AddArg2(v1, v2)
  1123  			v.AddArg(v0)
  1124  			return true
  1125  		}
  1126  		break
  1127  	}
  1128  	// match: (Eq32 x y)
  1129  	// cond: !x.Type.IsSigned()
  1130  	// result: (SEQZ (SUB <x.Type> (ZeroExt32to64 x) (ZeroExt32to64 y)))
  1131  	for {
  1132  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1133  			x := v_0
  1134  			y := v_1
  1135  			if !(!x.Type.IsSigned()) {
  1136  				continue
  1137  			}
  1138  			v.reset(OpRISCV64SEQZ)
  1139  			v0 := b.NewValue0(v.Pos, OpRISCV64SUB, x.Type)
  1140  			v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1141  			v1.AddArg(x)
  1142  			v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1143  			v2.AddArg(y)
  1144  			v0.AddArg2(v1, v2)
  1145  			v.AddArg(v0)
  1146  			return true
  1147  		}
  1148  		break
  1149  	}
  1150  	return false
  1151  }
  1152  func rewriteValueRISCV64_OpEq64(v *Value) bool {
  1153  	v_1 := v.Args[1]
  1154  	v_0 := v.Args[0]
  1155  	b := v.Block
  1156  	// match: (Eq64 x y)
  1157  	// result: (SEQZ (SUB <x.Type> x y))
  1158  	for {
  1159  		x := v_0
  1160  		y := v_1
  1161  		v.reset(OpRISCV64SEQZ)
  1162  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, x.Type)
  1163  		v0.AddArg2(x, y)
  1164  		v.AddArg(v0)
  1165  		return true
  1166  	}
  1167  }
  1168  func rewriteValueRISCV64_OpEq8(v *Value) bool {
  1169  	v_1 := v.Args[1]
  1170  	v_0 := v.Args[0]
  1171  	b := v.Block
  1172  	typ := &b.Func.Config.Types
  1173  	// match: (Eq8 x y)
  1174  	// result: (SEQZ (SUB <x.Type> (ZeroExt8to64 x) (ZeroExt8to64 y)))
  1175  	for {
  1176  		x := v_0
  1177  		y := v_1
  1178  		v.reset(OpRISCV64SEQZ)
  1179  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, x.Type)
  1180  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  1181  		v1.AddArg(x)
  1182  		v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  1183  		v2.AddArg(y)
  1184  		v0.AddArg2(v1, v2)
  1185  		v.AddArg(v0)
  1186  		return true
  1187  	}
  1188  }
  1189  func rewriteValueRISCV64_OpEqB(v *Value) bool {
  1190  	v_1 := v.Args[1]
  1191  	v_0 := v.Args[0]
  1192  	b := v.Block
  1193  	typ := &b.Func.Config.Types
  1194  	// match: (EqB x y)
  1195  	// result: (SEQZ (SUB <typ.Bool> x y))
  1196  	for {
  1197  		x := v_0
  1198  		y := v_1
  1199  		v.reset(OpRISCV64SEQZ)
  1200  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, typ.Bool)
  1201  		v0.AddArg2(x, y)
  1202  		v.AddArg(v0)
  1203  		return true
  1204  	}
  1205  }
  1206  func rewriteValueRISCV64_OpEqPtr(v *Value) bool {
  1207  	v_1 := v.Args[1]
  1208  	v_0 := v.Args[0]
  1209  	b := v.Block
  1210  	typ := &b.Func.Config.Types
  1211  	// match: (EqPtr x y)
  1212  	// result: (SEQZ (SUB <typ.Uintptr> x y))
  1213  	for {
  1214  		x := v_0
  1215  		y := v_1
  1216  		v.reset(OpRISCV64SEQZ)
  1217  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, typ.Uintptr)
  1218  		v0.AddArg2(x, y)
  1219  		v.AddArg(v0)
  1220  		return true
  1221  	}
  1222  }
  1223  func rewriteValueRISCV64_OpHmul32(v *Value) bool {
  1224  	v_1 := v.Args[1]
  1225  	v_0 := v.Args[0]
  1226  	b := v.Block
  1227  	typ := &b.Func.Config.Types
  1228  	// match: (Hmul32 x y)
  1229  	// result: (SRAI [32] (MUL (SignExt32to64 x) (SignExt32to64 y)))
  1230  	for {
  1231  		x := v_0
  1232  		y := v_1
  1233  		v.reset(OpRISCV64SRAI)
  1234  		v.AuxInt = int64ToAuxInt(32)
  1235  		v0 := b.NewValue0(v.Pos, OpRISCV64MUL, typ.Int64)
  1236  		v1 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
  1237  		v1.AddArg(x)
  1238  		v2 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
  1239  		v2.AddArg(y)
  1240  		v0.AddArg2(v1, v2)
  1241  		v.AddArg(v0)
  1242  		return true
  1243  	}
  1244  }
  1245  func rewriteValueRISCV64_OpHmul32u(v *Value) bool {
  1246  	v_1 := v.Args[1]
  1247  	v_0 := v.Args[0]
  1248  	b := v.Block
  1249  	typ := &b.Func.Config.Types
  1250  	// match: (Hmul32u x y)
  1251  	// result: (SRLI [32] (MUL (ZeroExt32to64 x) (ZeroExt32to64 y)))
  1252  	for {
  1253  		x := v_0
  1254  		y := v_1
  1255  		v.reset(OpRISCV64SRLI)
  1256  		v.AuxInt = int64ToAuxInt(32)
  1257  		v0 := b.NewValue0(v.Pos, OpRISCV64MUL, typ.Int64)
  1258  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1259  		v1.AddArg(x)
  1260  		v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1261  		v2.AddArg(y)
  1262  		v0.AddArg2(v1, v2)
  1263  		v.AddArg(v0)
  1264  		return true
  1265  	}
  1266  }
  1267  func rewriteValueRISCV64_OpLeq16(v *Value) bool {
  1268  	v_1 := v.Args[1]
  1269  	v_0 := v.Args[0]
  1270  	b := v.Block
  1271  	typ := &b.Func.Config.Types
  1272  	// match: (Leq16 x y)
  1273  	// result: (Not (Less16 y x))
  1274  	for {
  1275  		x := v_0
  1276  		y := v_1
  1277  		v.reset(OpNot)
  1278  		v0 := b.NewValue0(v.Pos, OpLess16, typ.Bool)
  1279  		v0.AddArg2(y, x)
  1280  		v.AddArg(v0)
  1281  		return true
  1282  	}
  1283  }
  1284  func rewriteValueRISCV64_OpLeq16U(v *Value) bool {
  1285  	v_1 := v.Args[1]
  1286  	v_0 := v.Args[0]
  1287  	b := v.Block
  1288  	typ := &b.Func.Config.Types
  1289  	// match: (Leq16U x y)
  1290  	// result: (Not (Less16U y x))
  1291  	for {
  1292  		x := v_0
  1293  		y := v_1
  1294  		v.reset(OpNot)
  1295  		v0 := b.NewValue0(v.Pos, OpLess16U, typ.Bool)
  1296  		v0.AddArg2(y, x)
  1297  		v.AddArg(v0)
  1298  		return true
  1299  	}
  1300  }
  1301  func rewriteValueRISCV64_OpLeq32(v *Value) bool {
  1302  	v_1 := v.Args[1]
  1303  	v_0 := v.Args[0]
  1304  	b := v.Block
  1305  	typ := &b.Func.Config.Types
  1306  	// match: (Leq32 x y)
  1307  	// result: (Not (Less32 y x))
  1308  	for {
  1309  		x := v_0
  1310  		y := v_1
  1311  		v.reset(OpNot)
  1312  		v0 := b.NewValue0(v.Pos, OpLess32, typ.Bool)
  1313  		v0.AddArg2(y, x)
  1314  		v.AddArg(v0)
  1315  		return true
  1316  	}
  1317  }
  1318  func rewriteValueRISCV64_OpLeq32U(v *Value) bool {
  1319  	v_1 := v.Args[1]
  1320  	v_0 := v.Args[0]
  1321  	b := v.Block
  1322  	typ := &b.Func.Config.Types
  1323  	// match: (Leq32U x y)
  1324  	// result: (Not (Less32U y x))
  1325  	for {
  1326  		x := v_0
  1327  		y := v_1
  1328  		v.reset(OpNot)
  1329  		v0 := b.NewValue0(v.Pos, OpLess32U, typ.Bool)
  1330  		v0.AddArg2(y, x)
  1331  		v.AddArg(v0)
  1332  		return true
  1333  	}
  1334  }
  1335  func rewriteValueRISCV64_OpLeq64(v *Value) bool {
  1336  	v_1 := v.Args[1]
  1337  	v_0 := v.Args[0]
  1338  	b := v.Block
  1339  	typ := &b.Func.Config.Types
  1340  	// match: (Leq64 x y)
  1341  	// result: (Not (Less64 y x))
  1342  	for {
  1343  		x := v_0
  1344  		y := v_1
  1345  		v.reset(OpNot)
  1346  		v0 := b.NewValue0(v.Pos, OpLess64, typ.Bool)
  1347  		v0.AddArg2(y, x)
  1348  		v.AddArg(v0)
  1349  		return true
  1350  	}
  1351  }
  1352  func rewriteValueRISCV64_OpLeq64U(v *Value) bool {
  1353  	v_1 := v.Args[1]
  1354  	v_0 := v.Args[0]
  1355  	b := v.Block
  1356  	typ := &b.Func.Config.Types
  1357  	// match: (Leq64U x y)
  1358  	// result: (Not (Less64U y x))
  1359  	for {
  1360  		x := v_0
  1361  		y := v_1
  1362  		v.reset(OpNot)
  1363  		v0 := b.NewValue0(v.Pos, OpLess64U, typ.Bool)
  1364  		v0.AddArg2(y, x)
  1365  		v.AddArg(v0)
  1366  		return true
  1367  	}
  1368  }
  1369  func rewriteValueRISCV64_OpLeq8(v *Value) bool {
  1370  	v_1 := v.Args[1]
  1371  	v_0 := v.Args[0]
  1372  	b := v.Block
  1373  	typ := &b.Func.Config.Types
  1374  	// match: (Leq8 x y)
  1375  	// result: (Not (Less8 y x))
  1376  	for {
  1377  		x := v_0
  1378  		y := v_1
  1379  		v.reset(OpNot)
  1380  		v0 := b.NewValue0(v.Pos, OpLess8, typ.Bool)
  1381  		v0.AddArg2(y, x)
  1382  		v.AddArg(v0)
  1383  		return true
  1384  	}
  1385  }
  1386  func rewriteValueRISCV64_OpLeq8U(v *Value) bool {
  1387  	v_1 := v.Args[1]
  1388  	v_0 := v.Args[0]
  1389  	b := v.Block
  1390  	typ := &b.Func.Config.Types
  1391  	// match: (Leq8U x y)
  1392  	// result: (Not (Less8U y x))
  1393  	for {
  1394  		x := v_0
  1395  		y := v_1
  1396  		v.reset(OpNot)
  1397  		v0 := b.NewValue0(v.Pos, OpLess8U, typ.Bool)
  1398  		v0.AddArg2(y, x)
  1399  		v.AddArg(v0)
  1400  		return true
  1401  	}
  1402  }
  1403  func rewriteValueRISCV64_OpLess16(v *Value) bool {
  1404  	v_1 := v.Args[1]
  1405  	v_0 := v.Args[0]
  1406  	b := v.Block
  1407  	typ := &b.Func.Config.Types
  1408  	// match: (Less16 x y)
  1409  	// result: (SLT (SignExt16to64 x) (SignExt16to64 y))
  1410  	for {
  1411  		x := v_0
  1412  		y := v_1
  1413  		v.reset(OpRISCV64SLT)
  1414  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  1415  		v0.AddArg(x)
  1416  		v1 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  1417  		v1.AddArg(y)
  1418  		v.AddArg2(v0, v1)
  1419  		return true
  1420  	}
  1421  }
  1422  func rewriteValueRISCV64_OpLess16U(v *Value) bool {
  1423  	v_1 := v.Args[1]
  1424  	v_0 := v.Args[0]
  1425  	b := v.Block
  1426  	typ := &b.Func.Config.Types
  1427  	// match: (Less16U x y)
  1428  	// result: (SLTU (ZeroExt16to64 x) (ZeroExt16to64 y))
  1429  	for {
  1430  		x := v_0
  1431  		y := v_1
  1432  		v.reset(OpRISCV64SLTU)
  1433  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  1434  		v0.AddArg(x)
  1435  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  1436  		v1.AddArg(y)
  1437  		v.AddArg2(v0, v1)
  1438  		return true
  1439  	}
  1440  }
  1441  func rewriteValueRISCV64_OpLess32(v *Value) bool {
  1442  	v_1 := v.Args[1]
  1443  	v_0 := v.Args[0]
  1444  	b := v.Block
  1445  	typ := &b.Func.Config.Types
  1446  	// match: (Less32 x y)
  1447  	// result: (SLT (SignExt32to64 x) (SignExt32to64 y))
  1448  	for {
  1449  		x := v_0
  1450  		y := v_1
  1451  		v.reset(OpRISCV64SLT)
  1452  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
  1453  		v0.AddArg(x)
  1454  		v1 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
  1455  		v1.AddArg(y)
  1456  		v.AddArg2(v0, v1)
  1457  		return true
  1458  	}
  1459  }
  1460  func rewriteValueRISCV64_OpLess32U(v *Value) bool {
  1461  	v_1 := v.Args[1]
  1462  	v_0 := v.Args[0]
  1463  	b := v.Block
  1464  	typ := &b.Func.Config.Types
  1465  	// match: (Less32U x y)
  1466  	// result: (SLTU (ZeroExt32to64 x) (ZeroExt32to64 y))
  1467  	for {
  1468  		x := v_0
  1469  		y := v_1
  1470  		v.reset(OpRISCV64SLTU)
  1471  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1472  		v0.AddArg(x)
  1473  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1474  		v1.AddArg(y)
  1475  		v.AddArg2(v0, v1)
  1476  		return true
  1477  	}
  1478  }
  1479  func rewriteValueRISCV64_OpLess8(v *Value) bool {
  1480  	v_1 := v.Args[1]
  1481  	v_0 := v.Args[0]
  1482  	b := v.Block
  1483  	typ := &b.Func.Config.Types
  1484  	// match: (Less8 x y)
  1485  	// result: (SLT (SignExt8to64 x) (SignExt8to64 y))
  1486  	for {
  1487  		x := v_0
  1488  		y := v_1
  1489  		v.reset(OpRISCV64SLT)
  1490  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  1491  		v0.AddArg(x)
  1492  		v1 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  1493  		v1.AddArg(y)
  1494  		v.AddArg2(v0, v1)
  1495  		return true
  1496  	}
  1497  }
  1498  func rewriteValueRISCV64_OpLess8U(v *Value) bool {
  1499  	v_1 := v.Args[1]
  1500  	v_0 := v.Args[0]
  1501  	b := v.Block
  1502  	typ := &b.Func.Config.Types
  1503  	// match: (Less8U x y)
  1504  	// result: (SLTU (ZeroExt8to64 x) (ZeroExt8to64 y))
  1505  	for {
  1506  		x := v_0
  1507  		y := v_1
  1508  		v.reset(OpRISCV64SLTU)
  1509  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  1510  		v0.AddArg(x)
  1511  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  1512  		v1.AddArg(y)
  1513  		v.AddArg2(v0, v1)
  1514  		return true
  1515  	}
  1516  }
  1517  func rewriteValueRISCV64_OpLoad(v *Value) bool {
  1518  	v_1 := v.Args[1]
  1519  	v_0 := v.Args[0]
  1520  	// match: (Load <t> ptr mem)
  1521  	// cond: t.IsBoolean()
  1522  	// result: (MOVBUload ptr mem)
  1523  	for {
  1524  		t := v.Type
  1525  		ptr := v_0
  1526  		mem := v_1
  1527  		if !(t.IsBoolean()) {
  1528  			break
  1529  		}
  1530  		v.reset(OpRISCV64MOVBUload)
  1531  		v.AddArg2(ptr, mem)
  1532  		return true
  1533  	}
  1534  	// match: (Load <t> ptr mem)
  1535  	// cond: ( is8BitInt(t) && t.IsSigned())
  1536  	// result: (MOVBload ptr mem)
  1537  	for {
  1538  		t := v.Type
  1539  		ptr := v_0
  1540  		mem := v_1
  1541  		if !(is8BitInt(t) && t.IsSigned()) {
  1542  			break
  1543  		}
  1544  		v.reset(OpRISCV64MOVBload)
  1545  		v.AddArg2(ptr, mem)
  1546  		return true
  1547  	}
  1548  	// match: (Load <t> ptr mem)
  1549  	// cond: ( is8BitInt(t) && !t.IsSigned())
  1550  	// result: (MOVBUload ptr mem)
  1551  	for {
  1552  		t := v.Type
  1553  		ptr := v_0
  1554  		mem := v_1
  1555  		if !(is8BitInt(t) && !t.IsSigned()) {
  1556  			break
  1557  		}
  1558  		v.reset(OpRISCV64MOVBUload)
  1559  		v.AddArg2(ptr, mem)
  1560  		return true
  1561  	}
  1562  	// match: (Load <t> ptr mem)
  1563  	// cond: (is16BitInt(t) && t.IsSigned())
  1564  	// result: (MOVHload ptr mem)
  1565  	for {
  1566  		t := v.Type
  1567  		ptr := v_0
  1568  		mem := v_1
  1569  		if !(is16BitInt(t) && t.IsSigned()) {
  1570  			break
  1571  		}
  1572  		v.reset(OpRISCV64MOVHload)
  1573  		v.AddArg2(ptr, mem)
  1574  		return true
  1575  	}
  1576  	// match: (Load <t> ptr mem)
  1577  	// cond: (is16BitInt(t) && !t.IsSigned())
  1578  	// result: (MOVHUload ptr mem)
  1579  	for {
  1580  		t := v.Type
  1581  		ptr := v_0
  1582  		mem := v_1
  1583  		if !(is16BitInt(t) && !t.IsSigned()) {
  1584  			break
  1585  		}
  1586  		v.reset(OpRISCV64MOVHUload)
  1587  		v.AddArg2(ptr, mem)
  1588  		return true
  1589  	}
  1590  	// match: (Load <t> ptr mem)
  1591  	// cond: (is32BitInt(t) && t.IsSigned())
  1592  	// result: (MOVWload ptr mem)
  1593  	for {
  1594  		t := v.Type
  1595  		ptr := v_0
  1596  		mem := v_1
  1597  		if !(is32BitInt(t) && t.IsSigned()) {
  1598  			break
  1599  		}
  1600  		v.reset(OpRISCV64MOVWload)
  1601  		v.AddArg2(ptr, mem)
  1602  		return true
  1603  	}
  1604  	// match: (Load <t> ptr mem)
  1605  	// cond: (is32BitInt(t) && !t.IsSigned())
  1606  	// result: (MOVWUload ptr mem)
  1607  	for {
  1608  		t := v.Type
  1609  		ptr := v_0
  1610  		mem := v_1
  1611  		if !(is32BitInt(t) && !t.IsSigned()) {
  1612  			break
  1613  		}
  1614  		v.reset(OpRISCV64MOVWUload)
  1615  		v.AddArg2(ptr, mem)
  1616  		return true
  1617  	}
  1618  	// match: (Load <t> ptr mem)
  1619  	// cond: (is64BitInt(t) || isPtr(t))
  1620  	// result: (MOVDload ptr mem)
  1621  	for {
  1622  		t := v.Type
  1623  		ptr := v_0
  1624  		mem := v_1
  1625  		if !(is64BitInt(t) || isPtr(t)) {
  1626  			break
  1627  		}
  1628  		v.reset(OpRISCV64MOVDload)
  1629  		v.AddArg2(ptr, mem)
  1630  		return true
  1631  	}
  1632  	// match: (Load <t> ptr mem)
  1633  	// cond: is32BitFloat(t)
  1634  	// result: (FMOVWload ptr mem)
  1635  	for {
  1636  		t := v.Type
  1637  		ptr := v_0
  1638  		mem := v_1
  1639  		if !(is32BitFloat(t)) {
  1640  			break
  1641  		}
  1642  		v.reset(OpRISCV64FMOVWload)
  1643  		v.AddArg2(ptr, mem)
  1644  		return true
  1645  	}
  1646  	// match: (Load <t> ptr mem)
  1647  	// cond: is64BitFloat(t)
  1648  	// result: (FMOVDload ptr mem)
  1649  	for {
  1650  		t := v.Type
  1651  		ptr := v_0
  1652  		mem := v_1
  1653  		if !(is64BitFloat(t)) {
  1654  			break
  1655  		}
  1656  		v.reset(OpRISCV64FMOVDload)
  1657  		v.AddArg2(ptr, mem)
  1658  		return true
  1659  	}
  1660  	return false
  1661  }
  1662  func rewriteValueRISCV64_OpLocalAddr(v *Value) bool {
  1663  	v_1 := v.Args[1]
  1664  	v_0 := v.Args[0]
  1665  	b := v.Block
  1666  	typ := &b.Func.Config.Types
  1667  	// match: (LocalAddr <t> {sym} base mem)
  1668  	// cond: t.Elem().HasPointers()
  1669  	// result: (MOVaddr {sym} (SPanchored base mem))
  1670  	for {
  1671  		t := v.Type
  1672  		sym := auxToSym(v.Aux)
  1673  		base := v_0
  1674  		mem := v_1
  1675  		if !(t.Elem().HasPointers()) {
  1676  			break
  1677  		}
  1678  		v.reset(OpRISCV64MOVaddr)
  1679  		v.Aux = symToAux(sym)
  1680  		v0 := b.NewValue0(v.Pos, OpSPanchored, typ.Uintptr)
  1681  		v0.AddArg2(base, mem)
  1682  		v.AddArg(v0)
  1683  		return true
  1684  	}
  1685  	// match: (LocalAddr <t> {sym} base _)
  1686  	// cond: !t.Elem().HasPointers()
  1687  	// result: (MOVaddr {sym} base)
  1688  	for {
  1689  		t := v.Type
  1690  		sym := auxToSym(v.Aux)
  1691  		base := v_0
  1692  		if !(!t.Elem().HasPointers()) {
  1693  			break
  1694  		}
  1695  		v.reset(OpRISCV64MOVaddr)
  1696  		v.Aux = symToAux(sym)
  1697  		v.AddArg(base)
  1698  		return true
  1699  	}
  1700  	return false
  1701  }
  1702  func rewriteValueRISCV64_OpLsh16x16(v *Value) bool {
  1703  	v_1 := v.Args[1]
  1704  	v_0 := v.Args[0]
  1705  	b := v.Block
  1706  	typ := &b.Func.Config.Types
  1707  	// match: (Lsh16x16 <t> x y)
  1708  	// cond: !shiftIsBounded(v)
  1709  	// result: (AND (SLL <t> x y) (Neg16 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  1710  	for {
  1711  		t := v.Type
  1712  		x := v_0
  1713  		y := v_1
  1714  		if !(!shiftIsBounded(v)) {
  1715  			break
  1716  		}
  1717  		v.reset(OpRISCV64AND)
  1718  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  1719  		v0.AddArg2(x, y)
  1720  		v1 := b.NewValue0(v.Pos, OpNeg16, t)
  1721  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  1722  		v2.AuxInt = int64ToAuxInt(64)
  1723  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  1724  		v3.AddArg(y)
  1725  		v2.AddArg(v3)
  1726  		v1.AddArg(v2)
  1727  		v.AddArg2(v0, v1)
  1728  		return true
  1729  	}
  1730  	// match: (Lsh16x16 x y)
  1731  	// cond: shiftIsBounded(v)
  1732  	// result: (SLL x y)
  1733  	for {
  1734  		x := v_0
  1735  		y := v_1
  1736  		if !(shiftIsBounded(v)) {
  1737  			break
  1738  		}
  1739  		v.reset(OpRISCV64SLL)
  1740  		v.AddArg2(x, y)
  1741  		return true
  1742  	}
  1743  	return false
  1744  }
  1745  func rewriteValueRISCV64_OpLsh16x32(v *Value) bool {
  1746  	v_1 := v.Args[1]
  1747  	v_0 := v.Args[0]
  1748  	b := v.Block
  1749  	typ := &b.Func.Config.Types
  1750  	// match: (Lsh16x32 <t> x y)
  1751  	// cond: !shiftIsBounded(v)
  1752  	// result: (AND (SLL <t> x y) (Neg16 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  1753  	for {
  1754  		t := v.Type
  1755  		x := v_0
  1756  		y := v_1
  1757  		if !(!shiftIsBounded(v)) {
  1758  			break
  1759  		}
  1760  		v.reset(OpRISCV64AND)
  1761  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  1762  		v0.AddArg2(x, y)
  1763  		v1 := b.NewValue0(v.Pos, OpNeg16, t)
  1764  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  1765  		v2.AuxInt = int64ToAuxInt(64)
  1766  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1767  		v3.AddArg(y)
  1768  		v2.AddArg(v3)
  1769  		v1.AddArg(v2)
  1770  		v.AddArg2(v0, v1)
  1771  		return true
  1772  	}
  1773  	// match: (Lsh16x32 x y)
  1774  	// cond: shiftIsBounded(v)
  1775  	// result: (SLL x y)
  1776  	for {
  1777  		x := v_0
  1778  		y := v_1
  1779  		if !(shiftIsBounded(v)) {
  1780  			break
  1781  		}
  1782  		v.reset(OpRISCV64SLL)
  1783  		v.AddArg2(x, y)
  1784  		return true
  1785  	}
  1786  	return false
  1787  }
  1788  func rewriteValueRISCV64_OpLsh16x64(v *Value) bool {
  1789  	v_1 := v.Args[1]
  1790  	v_0 := v.Args[0]
  1791  	b := v.Block
  1792  	// match: (Lsh16x64 <t> x y)
  1793  	// cond: !shiftIsBounded(v)
  1794  	// result: (AND (SLL <t> x y) (Neg16 <t> (SLTIU <t> [64] y)))
  1795  	for {
  1796  		t := v.Type
  1797  		x := v_0
  1798  		y := v_1
  1799  		if !(!shiftIsBounded(v)) {
  1800  			break
  1801  		}
  1802  		v.reset(OpRISCV64AND)
  1803  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  1804  		v0.AddArg2(x, y)
  1805  		v1 := b.NewValue0(v.Pos, OpNeg16, t)
  1806  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  1807  		v2.AuxInt = int64ToAuxInt(64)
  1808  		v2.AddArg(y)
  1809  		v1.AddArg(v2)
  1810  		v.AddArg2(v0, v1)
  1811  		return true
  1812  	}
  1813  	// match: (Lsh16x64 x y)
  1814  	// cond: shiftIsBounded(v)
  1815  	// result: (SLL x y)
  1816  	for {
  1817  		x := v_0
  1818  		y := v_1
  1819  		if !(shiftIsBounded(v)) {
  1820  			break
  1821  		}
  1822  		v.reset(OpRISCV64SLL)
  1823  		v.AddArg2(x, y)
  1824  		return true
  1825  	}
  1826  	return false
  1827  }
  1828  func rewriteValueRISCV64_OpLsh16x8(v *Value) bool {
  1829  	v_1 := v.Args[1]
  1830  	v_0 := v.Args[0]
  1831  	b := v.Block
  1832  	typ := &b.Func.Config.Types
  1833  	// match: (Lsh16x8 <t> x y)
  1834  	// cond: !shiftIsBounded(v)
  1835  	// result: (AND (SLL <t> x y) (Neg16 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  1836  	for {
  1837  		t := v.Type
  1838  		x := v_0
  1839  		y := v_1
  1840  		if !(!shiftIsBounded(v)) {
  1841  			break
  1842  		}
  1843  		v.reset(OpRISCV64AND)
  1844  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  1845  		v0.AddArg2(x, y)
  1846  		v1 := b.NewValue0(v.Pos, OpNeg16, t)
  1847  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  1848  		v2.AuxInt = int64ToAuxInt(64)
  1849  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  1850  		v3.AddArg(y)
  1851  		v2.AddArg(v3)
  1852  		v1.AddArg(v2)
  1853  		v.AddArg2(v0, v1)
  1854  		return true
  1855  	}
  1856  	// match: (Lsh16x8 x y)
  1857  	// cond: shiftIsBounded(v)
  1858  	// result: (SLL x y)
  1859  	for {
  1860  		x := v_0
  1861  		y := v_1
  1862  		if !(shiftIsBounded(v)) {
  1863  			break
  1864  		}
  1865  		v.reset(OpRISCV64SLL)
  1866  		v.AddArg2(x, y)
  1867  		return true
  1868  	}
  1869  	return false
  1870  }
  1871  func rewriteValueRISCV64_OpLsh32x16(v *Value) bool {
  1872  	v_1 := v.Args[1]
  1873  	v_0 := v.Args[0]
  1874  	b := v.Block
  1875  	typ := &b.Func.Config.Types
  1876  	// match: (Lsh32x16 <t> x y)
  1877  	// cond: !shiftIsBounded(v)
  1878  	// result: (AND (SLL <t> x y) (Neg32 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  1879  	for {
  1880  		t := v.Type
  1881  		x := v_0
  1882  		y := v_1
  1883  		if !(!shiftIsBounded(v)) {
  1884  			break
  1885  		}
  1886  		v.reset(OpRISCV64AND)
  1887  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  1888  		v0.AddArg2(x, y)
  1889  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  1890  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  1891  		v2.AuxInt = int64ToAuxInt(64)
  1892  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  1893  		v3.AddArg(y)
  1894  		v2.AddArg(v3)
  1895  		v1.AddArg(v2)
  1896  		v.AddArg2(v0, v1)
  1897  		return true
  1898  	}
  1899  	// match: (Lsh32x16 x y)
  1900  	// cond: shiftIsBounded(v)
  1901  	// result: (SLL x y)
  1902  	for {
  1903  		x := v_0
  1904  		y := v_1
  1905  		if !(shiftIsBounded(v)) {
  1906  			break
  1907  		}
  1908  		v.reset(OpRISCV64SLL)
  1909  		v.AddArg2(x, y)
  1910  		return true
  1911  	}
  1912  	return false
  1913  }
  1914  func rewriteValueRISCV64_OpLsh32x32(v *Value) bool {
  1915  	v_1 := v.Args[1]
  1916  	v_0 := v.Args[0]
  1917  	b := v.Block
  1918  	typ := &b.Func.Config.Types
  1919  	// match: (Lsh32x32 <t> x y)
  1920  	// cond: !shiftIsBounded(v)
  1921  	// result: (AND (SLL <t> x y) (Neg32 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  1922  	for {
  1923  		t := v.Type
  1924  		x := v_0
  1925  		y := v_1
  1926  		if !(!shiftIsBounded(v)) {
  1927  			break
  1928  		}
  1929  		v.reset(OpRISCV64AND)
  1930  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  1931  		v0.AddArg2(x, y)
  1932  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  1933  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  1934  		v2.AuxInt = int64ToAuxInt(64)
  1935  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1936  		v3.AddArg(y)
  1937  		v2.AddArg(v3)
  1938  		v1.AddArg(v2)
  1939  		v.AddArg2(v0, v1)
  1940  		return true
  1941  	}
  1942  	// match: (Lsh32x32 x y)
  1943  	// cond: shiftIsBounded(v)
  1944  	// result: (SLL x y)
  1945  	for {
  1946  		x := v_0
  1947  		y := v_1
  1948  		if !(shiftIsBounded(v)) {
  1949  			break
  1950  		}
  1951  		v.reset(OpRISCV64SLL)
  1952  		v.AddArg2(x, y)
  1953  		return true
  1954  	}
  1955  	return false
  1956  }
  1957  func rewriteValueRISCV64_OpLsh32x64(v *Value) bool {
  1958  	v_1 := v.Args[1]
  1959  	v_0 := v.Args[0]
  1960  	b := v.Block
  1961  	// match: (Lsh32x64 <t> x y)
  1962  	// cond: !shiftIsBounded(v)
  1963  	// result: (AND (SLL <t> x y) (Neg32 <t> (SLTIU <t> [64] y)))
  1964  	for {
  1965  		t := v.Type
  1966  		x := v_0
  1967  		y := v_1
  1968  		if !(!shiftIsBounded(v)) {
  1969  			break
  1970  		}
  1971  		v.reset(OpRISCV64AND)
  1972  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  1973  		v0.AddArg2(x, y)
  1974  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  1975  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  1976  		v2.AuxInt = int64ToAuxInt(64)
  1977  		v2.AddArg(y)
  1978  		v1.AddArg(v2)
  1979  		v.AddArg2(v0, v1)
  1980  		return true
  1981  	}
  1982  	// match: (Lsh32x64 x y)
  1983  	// cond: shiftIsBounded(v)
  1984  	// result: (SLL x y)
  1985  	for {
  1986  		x := v_0
  1987  		y := v_1
  1988  		if !(shiftIsBounded(v)) {
  1989  			break
  1990  		}
  1991  		v.reset(OpRISCV64SLL)
  1992  		v.AddArg2(x, y)
  1993  		return true
  1994  	}
  1995  	return false
  1996  }
  1997  func rewriteValueRISCV64_OpLsh32x8(v *Value) bool {
  1998  	v_1 := v.Args[1]
  1999  	v_0 := v.Args[0]
  2000  	b := v.Block
  2001  	typ := &b.Func.Config.Types
  2002  	// match: (Lsh32x8 <t> x y)
  2003  	// cond: !shiftIsBounded(v)
  2004  	// result: (AND (SLL <t> x y) (Neg32 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  2005  	for {
  2006  		t := v.Type
  2007  		x := v_0
  2008  		y := v_1
  2009  		if !(!shiftIsBounded(v)) {
  2010  			break
  2011  		}
  2012  		v.reset(OpRISCV64AND)
  2013  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2014  		v0.AddArg2(x, y)
  2015  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  2016  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2017  		v2.AuxInt = int64ToAuxInt(64)
  2018  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  2019  		v3.AddArg(y)
  2020  		v2.AddArg(v3)
  2021  		v1.AddArg(v2)
  2022  		v.AddArg2(v0, v1)
  2023  		return true
  2024  	}
  2025  	// match: (Lsh32x8 x y)
  2026  	// cond: shiftIsBounded(v)
  2027  	// result: (SLL x y)
  2028  	for {
  2029  		x := v_0
  2030  		y := v_1
  2031  		if !(shiftIsBounded(v)) {
  2032  			break
  2033  		}
  2034  		v.reset(OpRISCV64SLL)
  2035  		v.AddArg2(x, y)
  2036  		return true
  2037  	}
  2038  	return false
  2039  }
  2040  func rewriteValueRISCV64_OpLsh64x16(v *Value) bool {
  2041  	v_1 := v.Args[1]
  2042  	v_0 := v.Args[0]
  2043  	b := v.Block
  2044  	typ := &b.Func.Config.Types
  2045  	// match: (Lsh64x16 <t> x y)
  2046  	// cond: !shiftIsBounded(v)
  2047  	// result: (AND (SLL <t> x y) (Neg64 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  2048  	for {
  2049  		t := v.Type
  2050  		x := v_0
  2051  		y := v_1
  2052  		if !(!shiftIsBounded(v)) {
  2053  			break
  2054  		}
  2055  		v.reset(OpRISCV64AND)
  2056  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2057  		v0.AddArg2(x, y)
  2058  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  2059  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2060  		v2.AuxInt = int64ToAuxInt(64)
  2061  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  2062  		v3.AddArg(y)
  2063  		v2.AddArg(v3)
  2064  		v1.AddArg(v2)
  2065  		v.AddArg2(v0, v1)
  2066  		return true
  2067  	}
  2068  	// match: (Lsh64x16 x y)
  2069  	// cond: shiftIsBounded(v)
  2070  	// result: (SLL x y)
  2071  	for {
  2072  		x := v_0
  2073  		y := v_1
  2074  		if !(shiftIsBounded(v)) {
  2075  			break
  2076  		}
  2077  		v.reset(OpRISCV64SLL)
  2078  		v.AddArg2(x, y)
  2079  		return true
  2080  	}
  2081  	return false
  2082  }
  2083  func rewriteValueRISCV64_OpLsh64x32(v *Value) bool {
  2084  	v_1 := v.Args[1]
  2085  	v_0 := v.Args[0]
  2086  	b := v.Block
  2087  	typ := &b.Func.Config.Types
  2088  	// match: (Lsh64x32 <t> x y)
  2089  	// cond: !shiftIsBounded(v)
  2090  	// result: (AND (SLL <t> x y) (Neg64 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  2091  	for {
  2092  		t := v.Type
  2093  		x := v_0
  2094  		y := v_1
  2095  		if !(!shiftIsBounded(v)) {
  2096  			break
  2097  		}
  2098  		v.reset(OpRISCV64AND)
  2099  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2100  		v0.AddArg2(x, y)
  2101  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  2102  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2103  		v2.AuxInt = int64ToAuxInt(64)
  2104  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  2105  		v3.AddArg(y)
  2106  		v2.AddArg(v3)
  2107  		v1.AddArg(v2)
  2108  		v.AddArg2(v0, v1)
  2109  		return true
  2110  	}
  2111  	// match: (Lsh64x32 x y)
  2112  	// cond: shiftIsBounded(v)
  2113  	// result: (SLL x y)
  2114  	for {
  2115  		x := v_0
  2116  		y := v_1
  2117  		if !(shiftIsBounded(v)) {
  2118  			break
  2119  		}
  2120  		v.reset(OpRISCV64SLL)
  2121  		v.AddArg2(x, y)
  2122  		return true
  2123  	}
  2124  	return false
  2125  }
  2126  func rewriteValueRISCV64_OpLsh64x64(v *Value) bool {
  2127  	v_1 := v.Args[1]
  2128  	v_0 := v.Args[0]
  2129  	b := v.Block
  2130  	// match: (Lsh64x64 <t> x y)
  2131  	// cond: !shiftIsBounded(v)
  2132  	// result: (AND (SLL <t> x y) (Neg64 <t> (SLTIU <t> [64] y)))
  2133  	for {
  2134  		t := v.Type
  2135  		x := v_0
  2136  		y := v_1
  2137  		if !(!shiftIsBounded(v)) {
  2138  			break
  2139  		}
  2140  		v.reset(OpRISCV64AND)
  2141  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2142  		v0.AddArg2(x, y)
  2143  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  2144  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2145  		v2.AuxInt = int64ToAuxInt(64)
  2146  		v2.AddArg(y)
  2147  		v1.AddArg(v2)
  2148  		v.AddArg2(v0, v1)
  2149  		return true
  2150  	}
  2151  	// match: (Lsh64x64 x y)
  2152  	// cond: shiftIsBounded(v)
  2153  	// result: (SLL x y)
  2154  	for {
  2155  		x := v_0
  2156  		y := v_1
  2157  		if !(shiftIsBounded(v)) {
  2158  			break
  2159  		}
  2160  		v.reset(OpRISCV64SLL)
  2161  		v.AddArg2(x, y)
  2162  		return true
  2163  	}
  2164  	return false
  2165  }
  2166  func rewriteValueRISCV64_OpLsh64x8(v *Value) bool {
  2167  	v_1 := v.Args[1]
  2168  	v_0 := v.Args[0]
  2169  	b := v.Block
  2170  	typ := &b.Func.Config.Types
  2171  	// match: (Lsh64x8 <t> x y)
  2172  	// cond: !shiftIsBounded(v)
  2173  	// result: (AND (SLL <t> x y) (Neg64 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  2174  	for {
  2175  		t := v.Type
  2176  		x := v_0
  2177  		y := v_1
  2178  		if !(!shiftIsBounded(v)) {
  2179  			break
  2180  		}
  2181  		v.reset(OpRISCV64AND)
  2182  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2183  		v0.AddArg2(x, y)
  2184  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  2185  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2186  		v2.AuxInt = int64ToAuxInt(64)
  2187  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  2188  		v3.AddArg(y)
  2189  		v2.AddArg(v3)
  2190  		v1.AddArg(v2)
  2191  		v.AddArg2(v0, v1)
  2192  		return true
  2193  	}
  2194  	// match: (Lsh64x8 x y)
  2195  	// cond: shiftIsBounded(v)
  2196  	// result: (SLL x y)
  2197  	for {
  2198  		x := v_0
  2199  		y := v_1
  2200  		if !(shiftIsBounded(v)) {
  2201  			break
  2202  		}
  2203  		v.reset(OpRISCV64SLL)
  2204  		v.AddArg2(x, y)
  2205  		return true
  2206  	}
  2207  	return false
  2208  }
  2209  func rewriteValueRISCV64_OpLsh8x16(v *Value) bool {
  2210  	v_1 := v.Args[1]
  2211  	v_0 := v.Args[0]
  2212  	b := v.Block
  2213  	typ := &b.Func.Config.Types
  2214  	// match: (Lsh8x16 <t> x y)
  2215  	// cond: !shiftIsBounded(v)
  2216  	// result: (AND (SLL <t> x y) (Neg8 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  2217  	for {
  2218  		t := v.Type
  2219  		x := v_0
  2220  		y := v_1
  2221  		if !(!shiftIsBounded(v)) {
  2222  			break
  2223  		}
  2224  		v.reset(OpRISCV64AND)
  2225  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2226  		v0.AddArg2(x, y)
  2227  		v1 := b.NewValue0(v.Pos, OpNeg8, t)
  2228  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2229  		v2.AuxInt = int64ToAuxInt(64)
  2230  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  2231  		v3.AddArg(y)
  2232  		v2.AddArg(v3)
  2233  		v1.AddArg(v2)
  2234  		v.AddArg2(v0, v1)
  2235  		return true
  2236  	}
  2237  	// match: (Lsh8x16 x y)
  2238  	// cond: shiftIsBounded(v)
  2239  	// result: (SLL x y)
  2240  	for {
  2241  		x := v_0
  2242  		y := v_1
  2243  		if !(shiftIsBounded(v)) {
  2244  			break
  2245  		}
  2246  		v.reset(OpRISCV64SLL)
  2247  		v.AddArg2(x, y)
  2248  		return true
  2249  	}
  2250  	return false
  2251  }
  2252  func rewriteValueRISCV64_OpLsh8x32(v *Value) bool {
  2253  	v_1 := v.Args[1]
  2254  	v_0 := v.Args[0]
  2255  	b := v.Block
  2256  	typ := &b.Func.Config.Types
  2257  	// match: (Lsh8x32 <t> x y)
  2258  	// cond: !shiftIsBounded(v)
  2259  	// result: (AND (SLL <t> x y) (Neg8 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  2260  	for {
  2261  		t := v.Type
  2262  		x := v_0
  2263  		y := v_1
  2264  		if !(!shiftIsBounded(v)) {
  2265  			break
  2266  		}
  2267  		v.reset(OpRISCV64AND)
  2268  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2269  		v0.AddArg2(x, y)
  2270  		v1 := b.NewValue0(v.Pos, OpNeg8, t)
  2271  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2272  		v2.AuxInt = int64ToAuxInt(64)
  2273  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  2274  		v3.AddArg(y)
  2275  		v2.AddArg(v3)
  2276  		v1.AddArg(v2)
  2277  		v.AddArg2(v0, v1)
  2278  		return true
  2279  	}
  2280  	// match: (Lsh8x32 x y)
  2281  	// cond: shiftIsBounded(v)
  2282  	// result: (SLL x y)
  2283  	for {
  2284  		x := v_0
  2285  		y := v_1
  2286  		if !(shiftIsBounded(v)) {
  2287  			break
  2288  		}
  2289  		v.reset(OpRISCV64SLL)
  2290  		v.AddArg2(x, y)
  2291  		return true
  2292  	}
  2293  	return false
  2294  }
  2295  func rewriteValueRISCV64_OpLsh8x64(v *Value) bool {
  2296  	v_1 := v.Args[1]
  2297  	v_0 := v.Args[0]
  2298  	b := v.Block
  2299  	// match: (Lsh8x64 <t> x y)
  2300  	// cond: !shiftIsBounded(v)
  2301  	// result: (AND (SLL <t> x y) (Neg8 <t> (SLTIU <t> [64] y)))
  2302  	for {
  2303  		t := v.Type
  2304  		x := v_0
  2305  		y := v_1
  2306  		if !(!shiftIsBounded(v)) {
  2307  			break
  2308  		}
  2309  		v.reset(OpRISCV64AND)
  2310  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2311  		v0.AddArg2(x, y)
  2312  		v1 := b.NewValue0(v.Pos, OpNeg8, t)
  2313  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2314  		v2.AuxInt = int64ToAuxInt(64)
  2315  		v2.AddArg(y)
  2316  		v1.AddArg(v2)
  2317  		v.AddArg2(v0, v1)
  2318  		return true
  2319  	}
  2320  	// match: (Lsh8x64 x y)
  2321  	// cond: shiftIsBounded(v)
  2322  	// result: (SLL x y)
  2323  	for {
  2324  		x := v_0
  2325  		y := v_1
  2326  		if !(shiftIsBounded(v)) {
  2327  			break
  2328  		}
  2329  		v.reset(OpRISCV64SLL)
  2330  		v.AddArg2(x, y)
  2331  		return true
  2332  	}
  2333  	return false
  2334  }
  2335  func rewriteValueRISCV64_OpLsh8x8(v *Value) bool {
  2336  	v_1 := v.Args[1]
  2337  	v_0 := v.Args[0]
  2338  	b := v.Block
  2339  	typ := &b.Func.Config.Types
  2340  	// match: (Lsh8x8 <t> x y)
  2341  	// cond: !shiftIsBounded(v)
  2342  	// result: (AND (SLL <t> x y) (Neg8 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  2343  	for {
  2344  		t := v.Type
  2345  		x := v_0
  2346  		y := v_1
  2347  		if !(!shiftIsBounded(v)) {
  2348  			break
  2349  		}
  2350  		v.reset(OpRISCV64AND)
  2351  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2352  		v0.AddArg2(x, y)
  2353  		v1 := b.NewValue0(v.Pos, OpNeg8, t)
  2354  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2355  		v2.AuxInt = int64ToAuxInt(64)
  2356  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  2357  		v3.AddArg(y)
  2358  		v2.AddArg(v3)
  2359  		v1.AddArg(v2)
  2360  		v.AddArg2(v0, v1)
  2361  		return true
  2362  	}
  2363  	// match: (Lsh8x8 x y)
  2364  	// cond: shiftIsBounded(v)
  2365  	// result: (SLL x y)
  2366  	for {
  2367  		x := v_0
  2368  		y := v_1
  2369  		if !(shiftIsBounded(v)) {
  2370  			break
  2371  		}
  2372  		v.reset(OpRISCV64SLL)
  2373  		v.AddArg2(x, y)
  2374  		return true
  2375  	}
  2376  	return false
  2377  }
  2378  func rewriteValueRISCV64_OpMod16(v *Value) bool {
  2379  	v_1 := v.Args[1]
  2380  	v_0 := v.Args[0]
  2381  	b := v.Block
  2382  	typ := &b.Func.Config.Types
  2383  	// match: (Mod16 x y [false])
  2384  	// result: (REMW (SignExt16to32 x) (SignExt16to32 y))
  2385  	for {
  2386  		if auxIntToBool(v.AuxInt) != false {
  2387  			break
  2388  		}
  2389  		x := v_0
  2390  		y := v_1
  2391  		v.reset(OpRISCV64REMW)
  2392  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
  2393  		v0.AddArg(x)
  2394  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
  2395  		v1.AddArg(y)
  2396  		v.AddArg2(v0, v1)
  2397  		return true
  2398  	}
  2399  	return false
  2400  }
  2401  func rewriteValueRISCV64_OpMod16u(v *Value) bool {
  2402  	v_1 := v.Args[1]
  2403  	v_0 := v.Args[0]
  2404  	b := v.Block
  2405  	typ := &b.Func.Config.Types
  2406  	// match: (Mod16u x y)
  2407  	// result: (REMUW (ZeroExt16to32 x) (ZeroExt16to32 y))
  2408  	for {
  2409  		x := v_0
  2410  		y := v_1
  2411  		v.reset(OpRISCV64REMUW)
  2412  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
  2413  		v0.AddArg(x)
  2414  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
  2415  		v1.AddArg(y)
  2416  		v.AddArg2(v0, v1)
  2417  		return true
  2418  	}
  2419  }
  2420  func rewriteValueRISCV64_OpMod32(v *Value) bool {
  2421  	v_1 := v.Args[1]
  2422  	v_0 := v.Args[0]
  2423  	// match: (Mod32 x y [false])
  2424  	// result: (REMW x y)
  2425  	for {
  2426  		if auxIntToBool(v.AuxInt) != false {
  2427  			break
  2428  		}
  2429  		x := v_0
  2430  		y := v_1
  2431  		v.reset(OpRISCV64REMW)
  2432  		v.AddArg2(x, y)
  2433  		return true
  2434  	}
  2435  	return false
  2436  }
  2437  func rewriteValueRISCV64_OpMod64(v *Value) bool {
  2438  	v_1 := v.Args[1]
  2439  	v_0 := v.Args[0]
  2440  	// match: (Mod64 x y [false])
  2441  	// result: (REM x y)
  2442  	for {
  2443  		if auxIntToBool(v.AuxInt) != false {
  2444  			break
  2445  		}
  2446  		x := v_0
  2447  		y := v_1
  2448  		v.reset(OpRISCV64REM)
  2449  		v.AddArg2(x, y)
  2450  		return true
  2451  	}
  2452  	return false
  2453  }
  2454  func rewriteValueRISCV64_OpMod8(v *Value) bool {
  2455  	v_1 := v.Args[1]
  2456  	v_0 := v.Args[0]
  2457  	b := v.Block
  2458  	typ := &b.Func.Config.Types
  2459  	// match: (Mod8 x y)
  2460  	// result: (REMW (SignExt8to32 x) (SignExt8to32 y))
  2461  	for {
  2462  		x := v_0
  2463  		y := v_1
  2464  		v.reset(OpRISCV64REMW)
  2465  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
  2466  		v0.AddArg(x)
  2467  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
  2468  		v1.AddArg(y)
  2469  		v.AddArg2(v0, v1)
  2470  		return true
  2471  	}
  2472  }
  2473  func rewriteValueRISCV64_OpMod8u(v *Value) bool {
  2474  	v_1 := v.Args[1]
  2475  	v_0 := v.Args[0]
  2476  	b := v.Block
  2477  	typ := &b.Func.Config.Types
  2478  	// match: (Mod8u x y)
  2479  	// result: (REMUW (ZeroExt8to32 x) (ZeroExt8to32 y))
  2480  	for {
  2481  		x := v_0
  2482  		y := v_1
  2483  		v.reset(OpRISCV64REMUW)
  2484  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
  2485  		v0.AddArg(x)
  2486  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
  2487  		v1.AddArg(y)
  2488  		v.AddArg2(v0, v1)
  2489  		return true
  2490  	}
  2491  }
  2492  func rewriteValueRISCV64_OpMove(v *Value) bool {
  2493  	v_2 := v.Args[2]
  2494  	v_1 := v.Args[1]
  2495  	v_0 := v.Args[0]
  2496  	b := v.Block
  2497  	config := b.Func.Config
  2498  	typ := &b.Func.Config.Types
  2499  	// match: (Move [0] _ _ mem)
  2500  	// result: mem
  2501  	for {
  2502  		if auxIntToInt64(v.AuxInt) != 0 {
  2503  			break
  2504  		}
  2505  		mem := v_2
  2506  		v.copyOf(mem)
  2507  		return true
  2508  	}
  2509  	// match: (Move [1] dst src mem)
  2510  	// result: (MOVBstore dst (MOVBload src mem) mem)
  2511  	for {
  2512  		if auxIntToInt64(v.AuxInt) != 1 {
  2513  			break
  2514  		}
  2515  		dst := v_0
  2516  		src := v_1
  2517  		mem := v_2
  2518  		v.reset(OpRISCV64MOVBstore)
  2519  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2520  		v0.AddArg2(src, mem)
  2521  		v.AddArg3(dst, v0, mem)
  2522  		return true
  2523  	}
  2524  	// match: (Move [2] {t} dst src mem)
  2525  	// cond: t.Alignment()%2 == 0
  2526  	// result: (MOVHstore dst (MOVHload src mem) mem)
  2527  	for {
  2528  		if auxIntToInt64(v.AuxInt) != 2 {
  2529  			break
  2530  		}
  2531  		t := auxToType(v.Aux)
  2532  		dst := v_0
  2533  		src := v_1
  2534  		mem := v_2
  2535  		if !(t.Alignment()%2 == 0) {
  2536  			break
  2537  		}
  2538  		v.reset(OpRISCV64MOVHstore)
  2539  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2540  		v0.AddArg2(src, mem)
  2541  		v.AddArg3(dst, v0, mem)
  2542  		return true
  2543  	}
  2544  	// match: (Move [2] dst src mem)
  2545  	// result: (MOVBstore [1] dst (MOVBload [1] src mem) (MOVBstore dst (MOVBload src mem) mem))
  2546  	for {
  2547  		if auxIntToInt64(v.AuxInt) != 2 {
  2548  			break
  2549  		}
  2550  		dst := v_0
  2551  		src := v_1
  2552  		mem := v_2
  2553  		v.reset(OpRISCV64MOVBstore)
  2554  		v.AuxInt = int32ToAuxInt(1)
  2555  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2556  		v0.AuxInt = int32ToAuxInt(1)
  2557  		v0.AddArg2(src, mem)
  2558  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  2559  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2560  		v2.AddArg2(src, mem)
  2561  		v1.AddArg3(dst, v2, mem)
  2562  		v.AddArg3(dst, v0, v1)
  2563  		return true
  2564  	}
  2565  	// match: (Move [4] {t} dst src mem)
  2566  	// cond: t.Alignment()%4 == 0
  2567  	// result: (MOVWstore dst (MOVWload src mem) mem)
  2568  	for {
  2569  		if auxIntToInt64(v.AuxInt) != 4 {
  2570  			break
  2571  		}
  2572  		t := auxToType(v.Aux)
  2573  		dst := v_0
  2574  		src := v_1
  2575  		mem := v_2
  2576  		if !(t.Alignment()%4 == 0) {
  2577  			break
  2578  		}
  2579  		v.reset(OpRISCV64MOVWstore)
  2580  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVWload, typ.Int32)
  2581  		v0.AddArg2(src, mem)
  2582  		v.AddArg3(dst, v0, mem)
  2583  		return true
  2584  	}
  2585  	// match: (Move [4] {t} dst src mem)
  2586  	// cond: t.Alignment()%2 == 0
  2587  	// result: (MOVHstore [2] dst (MOVHload [2] src mem) (MOVHstore dst (MOVHload src mem) mem))
  2588  	for {
  2589  		if auxIntToInt64(v.AuxInt) != 4 {
  2590  			break
  2591  		}
  2592  		t := auxToType(v.Aux)
  2593  		dst := v_0
  2594  		src := v_1
  2595  		mem := v_2
  2596  		if !(t.Alignment()%2 == 0) {
  2597  			break
  2598  		}
  2599  		v.reset(OpRISCV64MOVHstore)
  2600  		v.AuxInt = int32ToAuxInt(2)
  2601  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2602  		v0.AuxInt = int32ToAuxInt(2)
  2603  		v0.AddArg2(src, mem)
  2604  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  2605  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2606  		v2.AddArg2(src, mem)
  2607  		v1.AddArg3(dst, v2, mem)
  2608  		v.AddArg3(dst, v0, v1)
  2609  		return true
  2610  	}
  2611  	// match: (Move [4] dst src mem)
  2612  	// result: (MOVBstore [3] dst (MOVBload [3] src mem) (MOVBstore [2] dst (MOVBload [2] src mem) (MOVBstore [1] dst (MOVBload [1] src mem) (MOVBstore dst (MOVBload src mem) mem))))
  2613  	for {
  2614  		if auxIntToInt64(v.AuxInt) != 4 {
  2615  			break
  2616  		}
  2617  		dst := v_0
  2618  		src := v_1
  2619  		mem := v_2
  2620  		v.reset(OpRISCV64MOVBstore)
  2621  		v.AuxInt = int32ToAuxInt(3)
  2622  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2623  		v0.AuxInt = int32ToAuxInt(3)
  2624  		v0.AddArg2(src, mem)
  2625  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  2626  		v1.AuxInt = int32ToAuxInt(2)
  2627  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2628  		v2.AuxInt = int32ToAuxInt(2)
  2629  		v2.AddArg2(src, mem)
  2630  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  2631  		v3.AuxInt = int32ToAuxInt(1)
  2632  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2633  		v4.AuxInt = int32ToAuxInt(1)
  2634  		v4.AddArg2(src, mem)
  2635  		v5 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  2636  		v6 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2637  		v6.AddArg2(src, mem)
  2638  		v5.AddArg3(dst, v6, mem)
  2639  		v3.AddArg3(dst, v4, v5)
  2640  		v1.AddArg3(dst, v2, v3)
  2641  		v.AddArg3(dst, v0, v1)
  2642  		return true
  2643  	}
  2644  	// match: (Move [8] {t} dst src mem)
  2645  	// cond: t.Alignment()%8 == 0
  2646  	// result: (MOVDstore dst (MOVDload src mem) mem)
  2647  	for {
  2648  		if auxIntToInt64(v.AuxInt) != 8 {
  2649  			break
  2650  		}
  2651  		t := auxToType(v.Aux)
  2652  		dst := v_0
  2653  		src := v_1
  2654  		mem := v_2
  2655  		if !(t.Alignment()%8 == 0) {
  2656  			break
  2657  		}
  2658  		v.reset(OpRISCV64MOVDstore)
  2659  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  2660  		v0.AddArg2(src, mem)
  2661  		v.AddArg3(dst, v0, mem)
  2662  		return true
  2663  	}
  2664  	// match: (Move [8] {t} dst src mem)
  2665  	// cond: t.Alignment()%4 == 0
  2666  	// result: (MOVWstore [4] dst (MOVWload [4] src mem) (MOVWstore dst (MOVWload src mem) mem))
  2667  	for {
  2668  		if auxIntToInt64(v.AuxInt) != 8 {
  2669  			break
  2670  		}
  2671  		t := auxToType(v.Aux)
  2672  		dst := v_0
  2673  		src := v_1
  2674  		mem := v_2
  2675  		if !(t.Alignment()%4 == 0) {
  2676  			break
  2677  		}
  2678  		v.reset(OpRISCV64MOVWstore)
  2679  		v.AuxInt = int32ToAuxInt(4)
  2680  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVWload, typ.Int32)
  2681  		v0.AuxInt = int32ToAuxInt(4)
  2682  		v0.AddArg2(src, mem)
  2683  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVWstore, types.TypeMem)
  2684  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVWload, typ.Int32)
  2685  		v2.AddArg2(src, mem)
  2686  		v1.AddArg3(dst, v2, mem)
  2687  		v.AddArg3(dst, v0, v1)
  2688  		return true
  2689  	}
  2690  	// match: (Move [8] {t} dst src mem)
  2691  	// cond: t.Alignment()%2 == 0
  2692  	// result: (MOVHstore [6] dst (MOVHload [6] src mem) (MOVHstore [4] dst (MOVHload [4] src mem) (MOVHstore [2] dst (MOVHload [2] src mem) (MOVHstore dst (MOVHload src mem) mem))))
  2693  	for {
  2694  		if auxIntToInt64(v.AuxInt) != 8 {
  2695  			break
  2696  		}
  2697  		t := auxToType(v.Aux)
  2698  		dst := v_0
  2699  		src := v_1
  2700  		mem := v_2
  2701  		if !(t.Alignment()%2 == 0) {
  2702  			break
  2703  		}
  2704  		v.reset(OpRISCV64MOVHstore)
  2705  		v.AuxInt = int32ToAuxInt(6)
  2706  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2707  		v0.AuxInt = int32ToAuxInt(6)
  2708  		v0.AddArg2(src, mem)
  2709  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  2710  		v1.AuxInt = int32ToAuxInt(4)
  2711  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2712  		v2.AuxInt = int32ToAuxInt(4)
  2713  		v2.AddArg2(src, mem)
  2714  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  2715  		v3.AuxInt = int32ToAuxInt(2)
  2716  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2717  		v4.AuxInt = int32ToAuxInt(2)
  2718  		v4.AddArg2(src, mem)
  2719  		v5 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  2720  		v6 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2721  		v6.AddArg2(src, mem)
  2722  		v5.AddArg3(dst, v6, mem)
  2723  		v3.AddArg3(dst, v4, v5)
  2724  		v1.AddArg3(dst, v2, v3)
  2725  		v.AddArg3(dst, v0, v1)
  2726  		return true
  2727  	}
  2728  	// match: (Move [3] dst src mem)
  2729  	// result: (MOVBstore [2] dst (MOVBload [2] src mem) (MOVBstore [1] dst (MOVBload [1] src mem) (MOVBstore dst (MOVBload src mem) mem)))
  2730  	for {
  2731  		if auxIntToInt64(v.AuxInt) != 3 {
  2732  			break
  2733  		}
  2734  		dst := v_0
  2735  		src := v_1
  2736  		mem := v_2
  2737  		v.reset(OpRISCV64MOVBstore)
  2738  		v.AuxInt = int32ToAuxInt(2)
  2739  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2740  		v0.AuxInt = int32ToAuxInt(2)
  2741  		v0.AddArg2(src, mem)
  2742  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  2743  		v1.AuxInt = int32ToAuxInt(1)
  2744  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2745  		v2.AuxInt = int32ToAuxInt(1)
  2746  		v2.AddArg2(src, mem)
  2747  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  2748  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2749  		v4.AddArg2(src, mem)
  2750  		v3.AddArg3(dst, v4, mem)
  2751  		v1.AddArg3(dst, v2, v3)
  2752  		v.AddArg3(dst, v0, v1)
  2753  		return true
  2754  	}
  2755  	// match: (Move [6] {t} dst src mem)
  2756  	// cond: t.Alignment()%2 == 0
  2757  	// result: (MOVHstore [4] dst (MOVHload [4] src mem) (MOVHstore [2] dst (MOVHload [2] src mem) (MOVHstore dst (MOVHload src mem) mem)))
  2758  	for {
  2759  		if auxIntToInt64(v.AuxInt) != 6 {
  2760  			break
  2761  		}
  2762  		t := auxToType(v.Aux)
  2763  		dst := v_0
  2764  		src := v_1
  2765  		mem := v_2
  2766  		if !(t.Alignment()%2 == 0) {
  2767  			break
  2768  		}
  2769  		v.reset(OpRISCV64MOVHstore)
  2770  		v.AuxInt = int32ToAuxInt(4)
  2771  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2772  		v0.AuxInt = int32ToAuxInt(4)
  2773  		v0.AddArg2(src, mem)
  2774  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  2775  		v1.AuxInt = int32ToAuxInt(2)
  2776  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2777  		v2.AuxInt = int32ToAuxInt(2)
  2778  		v2.AddArg2(src, mem)
  2779  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  2780  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2781  		v4.AddArg2(src, mem)
  2782  		v3.AddArg3(dst, v4, mem)
  2783  		v1.AddArg3(dst, v2, v3)
  2784  		v.AddArg3(dst, v0, v1)
  2785  		return true
  2786  	}
  2787  	// match: (Move [12] {t} dst src mem)
  2788  	// cond: t.Alignment()%4 == 0
  2789  	// result: (MOVWstore [8] dst (MOVWload [8] src mem) (MOVWstore [4] dst (MOVWload [4] src mem) (MOVWstore dst (MOVWload src mem) mem)))
  2790  	for {
  2791  		if auxIntToInt64(v.AuxInt) != 12 {
  2792  			break
  2793  		}
  2794  		t := auxToType(v.Aux)
  2795  		dst := v_0
  2796  		src := v_1
  2797  		mem := v_2
  2798  		if !(t.Alignment()%4 == 0) {
  2799  			break
  2800  		}
  2801  		v.reset(OpRISCV64MOVWstore)
  2802  		v.AuxInt = int32ToAuxInt(8)
  2803  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVWload, typ.Int32)
  2804  		v0.AuxInt = int32ToAuxInt(8)
  2805  		v0.AddArg2(src, mem)
  2806  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVWstore, types.TypeMem)
  2807  		v1.AuxInt = int32ToAuxInt(4)
  2808  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVWload, typ.Int32)
  2809  		v2.AuxInt = int32ToAuxInt(4)
  2810  		v2.AddArg2(src, mem)
  2811  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVWstore, types.TypeMem)
  2812  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVWload, typ.Int32)
  2813  		v4.AddArg2(src, mem)
  2814  		v3.AddArg3(dst, v4, mem)
  2815  		v1.AddArg3(dst, v2, v3)
  2816  		v.AddArg3(dst, v0, v1)
  2817  		return true
  2818  	}
  2819  	// match: (Move [16] {t} dst src mem)
  2820  	// cond: t.Alignment()%8 == 0
  2821  	// result: (MOVDstore [8] dst (MOVDload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
  2822  	for {
  2823  		if auxIntToInt64(v.AuxInt) != 16 {
  2824  			break
  2825  		}
  2826  		t := auxToType(v.Aux)
  2827  		dst := v_0
  2828  		src := v_1
  2829  		mem := v_2
  2830  		if !(t.Alignment()%8 == 0) {
  2831  			break
  2832  		}
  2833  		v.reset(OpRISCV64MOVDstore)
  2834  		v.AuxInt = int32ToAuxInt(8)
  2835  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  2836  		v0.AuxInt = int32ToAuxInt(8)
  2837  		v0.AddArg2(src, mem)
  2838  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  2839  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  2840  		v2.AddArg2(src, mem)
  2841  		v1.AddArg3(dst, v2, mem)
  2842  		v.AddArg3(dst, v0, v1)
  2843  		return true
  2844  	}
  2845  	// match: (Move [24] {t} dst src mem)
  2846  	// cond: t.Alignment()%8 == 0
  2847  	// result: (MOVDstore [16] dst (MOVDload [16] src mem) (MOVDstore [8] dst (MOVDload [8] src mem) (MOVDstore dst (MOVDload src mem) mem)))
  2848  	for {
  2849  		if auxIntToInt64(v.AuxInt) != 24 {
  2850  			break
  2851  		}
  2852  		t := auxToType(v.Aux)
  2853  		dst := v_0
  2854  		src := v_1
  2855  		mem := v_2
  2856  		if !(t.Alignment()%8 == 0) {
  2857  			break
  2858  		}
  2859  		v.reset(OpRISCV64MOVDstore)
  2860  		v.AuxInt = int32ToAuxInt(16)
  2861  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  2862  		v0.AuxInt = int32ToAuxInt(16)
  2863  		v0.AddArg2(src, mem)
  2864  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  2865  		v1.AuxInt = int32ToAuxInt(8)
  2866  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  2867  		v2.AuxInt = int32ToAuxInt(8)
  2868  		v2.AddArg2(src, mem)
  2869  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  2870  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  2871  		v4.AddArg2(src, mem)
  2872  		v3.AddArg3(dst, v4, mem)
  2873  		v1.AddArg3(dst, v2, v3)
  2874  		v.AddArg3(dst, v0, v1)
  2875  		return true
  2876  	}
  2877  	// match: (Move [32] {t} dst src mem)
  2878  	// cond: t.Alignment()%8 == 0
  2879  	// result: (MOVDstore [24] dst (MOVDload [24] src mem) (MOVDstore [16] dst (MOVDload [16] src mem) (MOVDstore [8] dst (MOVDload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))))
  2880  	for {
  2881  		if auxIntToInt64(v.AuxInt) != 32 {
  2882  			break
  2883  		}
  2884  		t := auxToType(v.Aux)
  2885  		dst := v_0
  2886  		src := v_1
  2887  		mem := v_2
  2888  		if !(t.Alignment()%8 == 0) {
  2889  			break
  2890  		}
  2891  		v.reset(OpRISCV64MOVDstore)
  2892  		v.AuxInt = int32ToAuxInt(24)
  2893  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  2894  		v0.AuxInt = int32ToAuxInt(24)
  2895  		v0.AddArg2(src, mem)
  2896  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  2897  		v1.AuxInt = int32ToAuxInt(16)
  2898  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  2899  		v2.AuxInt = int32ToAuxInt(16)
  2900  		v2.AddArg2(src, mem)
  2901  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  2902  		v3.AuxInt = int32ToAuxInt(8)
  2903  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  2904  		v4.AuxInt = int32ToAuxInt(8)
  2905  		v4.AddArg2(src, mem)
  2906  		v5 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  2907  		v6 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  2908  		v6.AddArg2(src, mem)
  2909  		v5.AddArg3(dst, v6, mem)
  2910  		v3.AddArg3(dst, v4, v5)
  2911  		v1.AddArg3(dst, v2, v3)
  2912  		v.AddArg3(dst, v0, v1)
  2913  		return true
  2914  	}
  2915  	// match: (Move [s] {t} dst src mem)
  2916  	// cond: s%8 == 0 && s <= 8*128 && t.Alignment()%8 == 0 && !config.noDuffDevice && logLargeCopy(v, s)
  2917  	// result: (DUFFCOPY [16 * (128 - s/8)] dst src mem)
  2918  	for {
  2919  		s := auxIntToInt64(v.AuxInt)
  2920  		t := auxToType(v.Aux)
  2921  		dst := v_0
  2922  		src := v_1
  2923  		mem := v_2
  2924  		if !(s%8 == 0 && s <= 8*128 && t.Alignment()%8 == 0 && !config.noDuffDevice && logLargeCopy(v, s)) {
  2925  			break
  2926  		}
  2927  		v.reset(OpRISCV64DUFFCOPY)
  2928  		v.AuxInt = int64ToAuxInt(16 * (128 - s/8))
  2929  		v.AddArg3(dst, src, mem)
  2930  		return true
  2931  	}
  2932  	// match: (Move [s] {t} dst src mem)
  2933  	// cond: (s <= 16 || logLargeCopy(v, s))
  2934  	// result: (LoweredMove [t.Alignment()] dst src (ADDI <src.Type> [s-moveSize(t.Alignment(), config)] src) mem)
  2935  	for {
  2936  		s := auxIntToInt64(v.AuxInt)
  2937  		t := auxToType(v.Aux)
  2938  		dst := v_0
  2939  		src := v_1
  2940  		mem := v_2
  2941  		if !(s <= 16 || logLargeCopy(v, s)) {
  2942  			break
  2943  		}
  2944  		v.reset(OpRISCV64LoweredMove)
  2945  		v.AuxInt = int64ToAuxInt(t.Alignment())
  2946  		v0 := b.NewValue0(v.Pos, OpRISCV64ADDI, src.Type)
  2947  		v0.AuxInt = int64ToAuxInt(s - moveSize(t.Alignment(), config))
  2948  		v0.AddArg(src)
  2949  		v.AddArg4(dst, src, v0, mem)
  2950  		return true
  2951  	}
  2952  	return false
  2953  }
  2954  func rewriteValueRISCV64_OpMul16(v *Value) bool {
  2955  	v_1 := v.Args[1]
  2956  	v_0 := v.Args[0]
  2957  	b := v.Block
  2958  	typ := &b.Func.Config.Types
  2959  	// match: (Mul16 x y)
  2960  	// result: (MULW (SignExt16to32 x) (SignExt16to32 y))
  2961  	for {
  2962  		x := v_0
  2963  		y := v_1
  2964  		v.reset(OpRISCV64MULW)
  2965  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
  2966  		v0.AddArg(x)
  2967  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
  2968  		v1.AddArg(y)
  2969  		v.AddArg2(v0, v1)
  2970  		return true
  2971  	}
  2972  }
  2973  func rewriteValueRISCV64_OpMul8(v *Value) bool {
  2974  	v_1 := v.Args[1]
  2975  	v_0 := v.Args[0]
  2976  	b := v.Block
  2977  	typ := &b.Func.Config.Types
  2978  	// match: (Mul8 x y)
  2979  	// result: (MULW (SignExt8to32 x) (SignExt8to32 y))
  2980  	for {
  2981  		x := v_0
  2982  		y := v_1
  2983  		v.reset(OpRISCV64MULW)
  2984  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
  2985  		v0.AddArg(x)
  2986  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
  2987  		v1.AddArg(y)
  2988  		v.AddArg2(v0, v1)
  2989  		return true
  2990  	}
  2991  }
  2992  func rewriteValueRISCV64_OpNeq16(v *Value) bool {
  2993  	v_1 := v.Args[1]
  2994  	v_0 := v.Args[0]
  2995  	b := v.Block
  2996  	typ := &b.Func.Config.Types
  2997  	// match: (Neq16 x y)
  2998  	// result: (Not (Eq16 x y))
  2999  	for {
  3000  		x := v_0
  3001  		y := v_1
  3002  		v.reset(OpNot)
  3003  		v0 := b.NewValue0(v.Pos, OpEq16, typ.Bool)
  3004  		v0.AddArg2(x, y)
  3005  		v.AddArg(v0)
  3006  		return true
  3007  	}
  3008  }
  3009  func rewriteValueRISCV64_OpNeq32(v *Value) bool {
  3010  	v_1 := v.Args[1]
  3011  	v_0 := v.Args[0]
  3012  	b := v.Block
  3013  	typ := &b.Func.Config.Types
  3014  	// match: (Neq32 x y)
  3015  	// result: (Not (Eq32 x y))
  3016  	for {
  3017  		x := v_0
  3018  		y := v_1
  3019  		v.reset(OpNot)
  3020  		v0 := b.NewValue0(v.Pos, OpEq32, typ.Bool)
  3021  		v0.AddArg2(x, y)
  3022  		v.AddArg(v0)
  3023  		return true
  3024  	}
  3025  }
  3026  func rewriteValueRISCV64_OpNeq64(v *Value) bool {
  3027  	v_1 := v.Args[1]
  3028  	v_0 := v.Args[0]
  3029  	b := v.Block
  3030  	typ := &b.Func.Config.Types
  3031  	// match: (Neq64 x y)
  3032  	// result: (Not (Eq64 x y))
  3033  	for {
  3034  		x := v_0
  3035  		y := v_1
  3036  		v.reset(OpNot)
  3037  		v0 := b.NewValue0(v.Pos, OpEq64, typ.Bool)
  3038  		v0.AddArg2(x, y)
  3039  		v.AddArg(v0)
  3040  		return true
  3041  	}
  3042  }
  3043  func rewriteValueRISCV64_OpNeq8(v *Value) bool {
  3044  	v_1 := v.Args[1]
  3045  	v_0 := v.Args[0]
  3046  	b := v.Block
  3047  	typ := &b.Func.Config.Types
  3048  	// match: (Neq8 x y)
  3049  	// result: (Not (Eq8 x y))
  3050  	for {
  3051  		x := v_0
  3052  		y := v_1
  3053  		v.reset(OpNot)
  3054  		v0 := b.NewValue0(v.Pos, OpEq8, typ.Bool)
  3055  		v0.AddArg2(x, y)
  3056  		v.AddArg(v0)
  3057  		return true
  3058  	}
  3059  }
  3060  func rewriteValueRISCV64_OpNeqB(v *Value) bool {
  3061  	v_1 := v.Args[1]
  3062  	v_0 := v.Args[0]
  3063  	b := v.Block
  3064  	typ := &b.Func.Config.Types
  3065  	// match: (NeqB x y)
  3066  	// result: (SNEZ (SUB <typ.Bool> x y))
  3067  	for {
  3068  		x := v_0
  3069  		y := v_1
  3070  		v.reset(OpRISCV64SNEZ)
  3071  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, typ.Bool)
  3072  		v0.AddArg2(x, y)
  3073  		v.AddArg(v0)
  3074  		return true
  3075  	}
  3076  }
  3077  func rewriteValueRISCV64_OpNeqPtr(v *Value) bool {
  3078  	v_1 := v.Args[1]
  3079  	v_0 := v.Args[0]
  3080  	b := v.Block
  3081  	typ := &b.Func.Config.Types
  3082  	// match: (NeqPtr x y)
  3083  	// result: (Not (EqPtr x y))
  3084  	for {
  3085  		x := v_0
  3086  		y := v_1
  3087  		v.reset(OpNot)
  3088  		v0 := b.NewValue0(v.Pos, OpEqPtr, typ.Bool)
  3089  		v0.AddArg2(x, y)
  3090  		v.AddArg(v0)
  3091  		return true
  3092  	}
  3093  }
  3094  func rewriteValueRISCV64_OpOffPtr(v *Value) bool {
  3095  	v_0 := v.Args[0]
  3096  	b := v.Block
  3097  	typ := &b.Func.Config.Types
  3098  	// match: (OffPtr [off] ptr:(SP))
  3099  	// cond: is32Bit(off)
  3100  	// result: (MOVaddr [int32(off)] ptr)
  3101  	for {
  3102  		off := auxIntToInt64(v.AuxInt)
  3103  		ptr := v_0
  3104  		if ptr.Op != OpSP || !(is32Bit(off)) {
  3105  			break
  3106  		}
  3107  		v.reset(OpRISCV64MOVaddr)
  3108  		v.AuxInt = int32ToAuxInt(int32(off))
  3109  		v.AddArg(ptr)
  3110  		return true
  3111  	}
  3112  	// match: (OffPtr [off] ptr)
  3113  	// cond: is32Bit(off)
  3114  	// result: (ADDI [off] ptr)
  3115  	for {
  3116  		off := auxIntToInt64(v.AuxInt)
  3117  		ptr := v_0
  3118  		if !(is32Bit(off)) {
  3119  			break
  3120  		}
  3121  		v.reset(OpRISCV64ADDI)
  3122  		v.AuxInt = int64ToAuxInt(off)
  3123  		v.AddArg(ptr)
  3124  		return true
  3125  	}
  3126  	// match: (OffPtr [off] ptr)
  3127  	// result: (ADD (MOVDconst [off]) ptr)
  3128  	for {
  3129  		off := auxIntToInt64(v.AuxInt)
  3130  		ptr := v_0
  3131  		v.reset(OpRISCV64ADD)
  3132  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  3133  		v0.AuxInt = int64ToAuxInt(off)
  3134  		v.AddArg2(v0, ptr)
  3135  		return true
  3136  	}
  3137  }
  3138  func rewriteValueRISCV64_OpPanicBounds(v *Value) bool {
  3139  	v_2 := v.Args[2]
  3140  	v_1 := v.Args[1]
  3141  	v_0 := v.Args[0]
  3142  	// match: (PanicBounds [kind] x y mem)
  3143  	// cond: boundsABI(kind) == 0
  3144  	// result: (LoweredPanicBoundsA [kind] x y mem)
  3145  	for {
  3146  		kind := auxIntToInt64(v.AuxInt)
  3147  		x := v_0
  3148  		y := v_1
  3149  		mem := v_2
  3150  		if !(boundsABI(kind) == 0) {
  3151  			break
  3152  		}
  3153  		v.reset(OpRISCV64LoweredPanicBoundsA)
  3154  		v.AuxInt = int64ToAuxInt(kind)
  3155  		v.AddArg3(x, y, mem)
  3156  		return true
  3157  	}
  3158  	// match: (PanicBounds [kind] x y mem)
  3159  	// cond: boundsABI(kind) == 1
  3160  	// result: (LoweredPanicBoundsB [kind] x y mem)
  3161  	for {
  3162  		kind := auxIntToInt64(v.AuxInt)
  3163  		x := v_0
  3164  		y := v_1
  3165  		mem := v_2
  3166  		if !(boundsABI(kind) == 1) {
  3167  			break
  3168  		}
  3169  		v.reset(OpRISCV64LoweredPanicBoundsB)
  3170  		v.AuxInt = int64ToAuxInt(kind)
  3171  		v.AddArg3(x, y, mem)
  3172  		return true
  3173  	}
  3174  	// match: (PanicBounds [kind] x y mem)
  3175  	// cond: boundsABI(kind) == 2
  3176  	// result: (LoweredPanicBoundsC [kind] x y mem)
  3177  	for {
  3178  		kind := auxIntToInt64(v.AuxInt)
  3179  		x := v_0
  3180  		y := v_1
  3181  		mem := v_2
  3182  		if !(boundsABI(kind) == 2) {
  3183  			break
  3184  		}
  3185  		v.reset(OpRISCV64LoweredPanicBoundsC)
  3186  		v.AuxInt = int64ToAuxInt(kind)
  3187  		v.AddArg3(x, y, mem)
  3188  		return true
  3189  	}
  3190  	return false
  3191  }
  3192  func rewriteValueRISCV64_OpRISCV64ADD(v *Value) bool {
  3193  	v_1 := v.Args[1]
  3194  	v_0 := v.Args[0]
  3195  	// match: (ADD (MOVDconst <t> [val]) x)
  3196  	// cond: is32Bit(val) && !t.IsPtr()
  3197  	// result: (ADDI [val] x)
  3198  	for {
  3199  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3200  			if v_0.Op != OpRISCV64MOVDconst {
  3201  				continue
  3202  			}
  3203  			t := v_0.Type
  3204  			val := auxIntToInt64(v_0.AuxInt)
  3205  			x := v_1
  3206  			if !(is32Bit(val) && !t.IsPtr()) {
  3207  				continue
  3208  			}
  3209  			v.reset(OpRISCV64ADDI)
  3210  			v.AuxInt = int64ToAuxInt(val)
  3211  			v.AddArg(x)
  3212  			return true
  3213  		}
  3214  		break
  3215  	}
  3216  	return false
  3217  }
  3218  func rewriteValueRISCV64_OpRISCV64ADDI(v *Value) bool {
  3219  	v_0 := v.Args[0]
  3220  	// match: (ADDI [c] (MOVaddr [d] {s} x))
  3221  	// cond: is32Bit(c+int64(d))
  3222  	// result: (MOVaddr [int32(c)+d] {s} x)
  3223  	for {
  3224  		c := auxIntToInt64(v.AuxInt)
  3225  		if v_0.Op != OpRISCV64MOVaddr {
  3226  			break
  3227  		}
  3228  		d := auxIntToInt32(v_0.AuxInt)
  3229  		s := auxToSym(v_0.Aux)
  3230  		x := v_0.Args[0]
  3231  		if !(is32Bit(c + int64(d))) {
  3232  			break
  3233  		}
  3234  		v.reset(OpRISCV64MOVaddr)
  3235  		v.AuxInt = int32ToAuxInt(int32(c) + d)
  3236  		v.Aux = symToAux(s)
  3237  		v.AddArg(x)
  3238  		return true
  3239  	}
  3240  	// match: (ADDI [0] x)
  3241  	// result: x
  3242  	for {
  3243  		if auxIntToInt64(v.AuxInt) != 0 {
  3244  			break
  3245  		}
  3246  		x := v_0
  3247  		v.copyOf(x)
  3248  		return true
  3249  	}
  3250  	// match: (ADDI [x] (MOVDconst [y]))
  3251  	// cond: is32Bit(x + y)
  3252  	// result: (MOVDconst [x + y])
  3253  	for {
  3254  		x := auxIntToInt64(v.AuxInt)
  3255  		if v_0.Op != OpRISCV64MOVDconst {
  3256  			break
  3257  		}
  3258  		y := auxIntToInt64(v_0.AuxInt)
  3259  		if !(is32Bit(x + y)) {
  3260  			break
  3261  		}
  3262  		v.reset(OpRISCV64MOVDconst)
  3263  		v.AuxInt = int64ToAuxInt(x + y)
  3264  		return true
  3265  	}
  3266  	// match: (ADDI [x] (ADDI [y] z))
  3267  	// cond: is32Bit(x + y)
  3268  	// result: (ADDI [x + y] z)
  3269  	for {
  3270  		x := auxIntToInt64(v.AuxInt)
  3271  		if v_0.Op != OpRISCV64ADDI {
  3272  			break
  3273  		}
  3274  		y := auxIntToInt64(v_0.AuxInt)
  3275  		z := v_0.Args[0]
  3276  		if !(is32Bit(x + y)) {
  3277  			break
  3278  		}
  3279  		v.reset(OpRISCV64ADDI)
  3280  		v.AuxInt = int64ToAuxInt(x + y)
  3281  		v.AddArg(z)
  3282  		return true
  3283  	}
  3284  	return false
  3285  }
  3286  func rewriteValueRISCV64_OpRISCV64AND(v *Value) bool {
  3287  	v_1 := v.Args[1]
  3288  	v_0 := v.Args[0]
  3289  	// match: (AND (MOVDconst [val]) x)
  3290  	// cond: is32Bit(val)
  3291  	// result: (ANDI [val] x)
  3292  	for {
  3293  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3294  			if v_0.Op != OpRISCV64MOVDconst {
  3295  				continue
  3296  			}
  3297  			val := auxIntToInt64(v_0.AuxInt)
  3298  			x := v_1
  3299  			if !(is32Bit(val)) {
  3300  				continue
  3301  			}
  3302  			v.reset(OpRISCV64ANDI)
  3303  			v.AuxInt = int64ToAuxInt(val)
  3304  			v.AddArg(x)
  3305  			return true
  3306  		}
  3307  		break
  3308  	}
  3309  	return false
  3310  }
  3311  func rewriteValueRISCV64_OpRISCV64ANDI(v *Value) bool {
  3312  	v_0 := v.Args[0]
  3313  	// match: (ANDI [0] x)
  3314  	// result: (MOVDconst [0])
  3315  	for {
  3316  		if auxIntToInt64(v.AuxInt) != 0 {
  3317  			break
  3318  		}
  3319  		v.reset(OpRISCV64MOVDconst)
  3320  		v.AuxInt = int64ToAuxInt(0)
  3321  		return true
  3322  	}
  3323  	// match: (ANDI [-1] x)
  3324  	// result: x
  3325  	for {
  3326  		if auxIntToInt64(v.AuxInt) != -1 {
  3327  			break
  3328  		}
  3329  		x := v_0
  3330  		v.copyOf(x)
  3331  		return true
  3332  	}
  3333  	// match: (ANDI [x] (MOVDconst [y]))
  3334  	// result: (MOVDconst [x & y])
  3335  	for {
  3336  		x := auxIntToInt64(v.AuxInt)
  3337  		if v_0.Op != OpRISCV64MOVDconst {
  3338  			break
  3339  		}
  3340  		y := auxIntToInt64(v_0.AuxInt)
  3341  		v.reset(OpRISCV64MOVDconst)
  3342  		v.AuxInt = int64ToAuxInt(x & y)
  3343  		return true
  3344  	}
  3345  	// match: (ANDI [x] (ANDI [y] z))
  3346  	// result: (ANDI [x & y] z)
  3347  	for {
  3348  		x := auxIntToInt64(v.AuxInt)
  3349  		if v_0.Op != OpRISCV64ANDI {
  3350  			break
  3351  		}
  3352  		y := auxIntToInt64(v_0.AuxInt)
  3353  		z := v_0.Args[0]
  3354  		v.reset(OpRISCV64ANDI)
  3355  		v.AuxInt = int64ToAuxInt(x & y)
  3356  		v.AddArg(z)
  3357  		return true
  3358  	}
  3359  	return false
  3360  }
  3361  func rewriteValueRISCV64_OpRISCV64FADDD(v *Value) bool {
  3362  	v_1 := v.Args[1]
  3363  	v_0 := v.Args[0]
  3364  	// match: (FADDD a (FMULD x y))
  3365  	// cond: a.Block.Func.useFMA(v)
  3366  	// result: (FMADDD x y a)
  3367  	for {
  3368  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3369  			a := v_0
  3370  			if v_1.Op != OpRISCV64FMULD {
  3371  				continue
  3372  			}
  3373  			y := v_1.Args[1]
  3374  			x := v_1.Args[0]
  3375  			if !(a.Block.Func.useFMA(v)) {
  3376  				continue
  3377  			}
  3378  			v.reset(OpRISCV64FMADDD)
  3379  			v.AddArg3(x, y, a)
  3380  			return true
  3381  		}
  3382  		break
  3383  	}
  3384  	return false
  3385  }
  3386  func rewriteValueRISCV64_OpRISCV64FADDS(v *Value) bool {
  3387  	v_1 := v.Args[1]
  3388  	v_0 := v.Args[0]
  3389  	// match: (FADDS a (FMULS x y))
  3390  	// cond: a.Block.Func.useFMA(v)
  3391  	// result: (FMADDS x y a)
  3392  	for {
  3393  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3394  			a := v_0
  3395  			if v_1.Op != OpRISCV64FMULS {
  3396  				continue
  3397  			}
  3398  			y := v_1.Args[1]
  3399  			x := v_1.Args[0]
  3400  			if !(a.Block.Func.useFMA(v)) {
  3401  				continue
  3402  			}
  3403  			v.reset(OpRISCV64FMADDS)
  3404  			v.AddArg3(x, y, a)
  3405  			return true
  3406  		}
  3407  		break
  3408  	}
  3409  	return false
  3410  }
  3411  func rewriteValueRISCV64_OpRISCV64FMADDD(v *Value) bool {
  3412  	v_2 := v.Args[2]
  3413  	v_1 := v.Args[1]
  3414  	v_0 := v.Args[0]
  3415  	// match: (FMADDD neg:(FNEGD x) y z)
  3416  	// cond: neg.Uses == 1
  3417  	// result: (FNMSUBD x y z)
  3418  	for {
  3419  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3420  			neg := v_0
  3421  			if neg.Op != OpRISCV64FNEGD {
  3422  				continue
  3423  			}
  3424  			x := neg.Args[0]
  3425  			y := v_1
  3426  			z := v_2
  3427  			if !(neg.Uses == 1) {
  3428  				continue
  3429  			}
  3430  			v.reset(OpRISCV64FNMSUBD)
  3431  			v.AddArg3(x, y, z)
  3432  			return true
  3433  		}
  3434  		break
  3435  	}
  3436  	// match: (FMADDD x y neg:(FNEGD z))
  3437  	// cond: neg.Uses == 1
  3438  	// result: (FMSUBD x y z)
  3439  	for {
  3440  		x := v_0
  3441  		y := v_1
  3442  		neg := v_2
  3443  		if neg.Op != OpRISCV64FNEGD {
  3444  			break
  3445  		}
  3446  		z := neg.Args[0]
  3447  		if !(neg.Uses == 1) {
  3448  			break
  3449  		}
  3450  		v.reset(OpRISCV64FMSUBD)
  3451  		v.AddArg3(x, y, z)
  3452  		return true
  3453  	}
  3454  	return false
  3455  }
  3456  func rewriteValueRISCV64_OpRISCV64FMADDS(v *Value) bool {
  3457  	v_2 := v.Args[2]
  3458  	v_1 := v.Args[1]
  3459  	v_0 := v.Args[0]
  3460  	// match: (FMADDS neg:(FNEGS x) y z)
  3461  	// cond: neg.Uses == 1
  3462  	// result: (FNMSUBS x y z)
  3463  	for {
  3464  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3465  			neg := v_0
  3466  			if neg.Op != OpRISCV64FNEGS {
  3467  				continue
  3468  			}
  3469  			x := neg.Args[0]
  3470  			y := v_1
  3471  			z := v_2
  3472  			if !(neg.Uses == 1) {
  3473  				continue
  3474  			}
  3475  			v.reset(OpRISCV64FNMSUBS)
  3476  			v.AddArg3(x, y, z)
  3477  			return true
  3478  		}
  3479  		break
  3480  	}
  3481  	// match: (FMADDS x y neg:(FNEGS z))
  3482  	// cond: neg.Uses == 1
  3483  	// result: (FMSUBS x y z)
  3484  	for {
  3485  		x := v_0
  3486  		y := v_1
  3487  		neg := v_2
  3488  		if neg.Op != OpRISCV64FNEGS {
  3489  			break
  3490  		}
  3491  		z := neg.Args[0]
  3492  		if !(neg.Uses == 1) {
  3493  			break
  3494  		}
  3495  		v.reset(OpRISCV64FMSUBS)
  3496  		v.AddArg3(x, y, z)
  3497  		return true
  3498  	}
  3499  	return false
  3500  }
  3501  func rewriteValueRISCV64_OpRISCV64FMSUBD(v *Value) bool {
  3502  	v_2 := v.Args[2]
  3503  	v_1 := v.Args[1]
  3504  	v_0 := v.Args[0]
  3505  	// match: (FMSUBD neg:(FNEGD x) y z)
  3506  	// cond: neg.Uses == 1
  3507  	// result: (FNMADDD x y z)
  3508  	for {
  3509  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3510  			neg := v_0
  3511  			if neg.Op != OpRISCV64FNEGD {
  3512  				continue
  3513  			}
  3514  			x := neg.Args[0]
  3515  			y := v_1
  3516  			z := v_2
  3517  			if !(neg.Uses == 1) {
  3518  				continue
  3519  			}
  3520  			v.reset(OpRISCV64FNMADDD)
  3521  			v.AddArg3(x, y, z)
  3522  			return true
  3523  		}
  3524  		break
  3525  	}
  3526  	// match: (FMSUBD x y neg:(FNEGD z))
  3527  	// cond: neg.Uses == 1
  3528  	// result: (FMADDD x y z)
  3529  	for {
  3530  		x := v_0
  3531  		y := v_1
  3532  		neg := v_2
  3533  		if neg.Op != OpRISCV64FNEGD {
  3534  			break
  3535  		}
  3536  		z := neg.Args[0]
  3537  		if !(neg.Uses == 1) {
  3538  			break
  3539  		}
  3540  		v.reset(OpRISCV64FMADDD)
  3541  		v.AddArg3(x, y, z)
  3542  		return true
  3543  	}
  3544  	return false
  3545  }
  3546  func rewriteValueRISCV64_OpRISCV64FMSUBS(v *Value) bool {
  3547  	v_2 := v.Args[2]
  3548  	v_1 := v.Args[1]
  3549  	v_0 := v.Args[0]
  3550  	// match: (FMSUBS neg:(FNEGS x) y z)
  3551  	// cond: neg.Uses == 1
  3552  	// result: (FNMADDS x y z)
  3553  	for {
  3554  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3555  			neg := v_0
  3556  			if neg.Op != OpRISCV64FNEGS {
  3557  				continue
  3558  			}
  3559  			x := neg.Args[0]
  3560  			y := v_1
  3561  			z := v_2
  3562  			if !(neg.Uses == 1) {
  3563  				continue
  3564  			}
  3565  			v.reset(OpRISCV64FNMADDS)
  3566  			v.AddArg3(x, y, z)
  3567  			return true
  3568  		}
  3569  		break
  3570  	}
  3571  	// match: (FMSUBS x y neg:(FNEGS z))
  3572  	// cond: neg.Uses == 1
  3573  	// result: (FMADDS x y z)
  3574  	for {
  3575  		x := v_0
  3576  		y := v_1
  3577  		neg := v_2
  3578  		if neg.Op != OpRISCV64FNEGS {
  3579  			break
  3580  		}
  3581  		z := neg.Args[0]
  3582  		if !(neg.Uses == 1) {
  3583  			break
  3584  		}
  3585  		v.reset(OpRISCV64FMADDS)
  3586  		v.AddArg3(x, y, z)
  3587  		return true
  3588  	}
  3589  	return false
  3590  }
  3591  func rewriteValueRISCV64_OpRISCV64FNMADDD(v *Value) bool {
  3592  	v_2 := v.Args[2]
  3593  	v_1 := v.Args[1]
  3594  	v_0 := v.Args[0]
  3595  	// match: (FNMADDD neg:(FNEGD x) y z)
  3596  	// cond: neg.Uses == 1
  3597  	// result: (FMSUBD x y z)
  3598  	for {
  3599  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3600  			neg := v_0
  3601  			if neg.Op != OpRISCV64FNEGD {
  3602  				continue
  3603  			}
  3604  			x := neg.Args[0]
  3605  			y := v_1
  3606  			z := v_2
  3607  			if !(neg.Uses == 1) {
  3608  				continue
  3609  			}
  3610  			v.reset(OpRISCV64FMSUBD)
  3611  			v.AddArg3(x, y, z)
  3612  			return true
  3613  		}
  3614  		break
  3615  	}
  3616  	// match: (FNMADDD x y neg:(FNEGD z))
  3617  	// cond: neg.Uses == 1
  3618  	// result: (FNMSUBD x y z)
  3619  	for {
  3620  		x := v_0
  3621  		y := v_1
  3622  		neg := v_2
  3623  		if neg.Op != OpRISCV64FNEGD {
  3624  			break
  3625  		}
  3626  		z := neg.Args[0]
  3627  		if !(neg.Uses == 1) {
  3628  			break
  3629  		}
  3630  		v.reset(OpRISCV64FNMSUBD)
  3631  		v.AddArg3(x, y, z)
  3632  		return true
  3633  	}
  3634  	return false
  3635  }
  3636  func rewriteValueRISCV64_OpRISCV64FNMADDS(v *Value) bool {
  3637  	v_2 := v.Args[2]
  3638  	v_1 := v.Args[1]
  3639  	v_0 := v.Args[0]
  3640  	// match: (FNMADDS neg:(FNEGS x) y z)
  3641  	// cond: neg.Uses == 1
  3642  	// result: (FMSUBS x y z)
  3643  	for {
  3644  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3645  			neg := v_0
  3646  			if neg.Op != OpRISCV64FNEGS {
  3647  				continue
  3648  			}
  3649  			x := neg.Args[0]
  3650  			y := v_1
  3651  			z := v_2
  3652  			if !(neg.Uses == 1) {
  3653  				continue
  3654  			}
  3655  			v.reset(OpRISCV64FMSUBS)
  3656  			v.AddArg3(x, y, z)
  3657  			return true
  3658  		}
  3659  		break
  3660  	}
  3661  	// match: (FNMADDS x y neg:(FNEGS z))
  3662  	// cond: neg.Uses == 1
  3663  	// result: (FNMSUBS x y z)
  3664  	for {
  3665  		x := v_0
  3666  		y := v_1
  3667  		neg := v_2
  3668  		if neg.Op != OpRISCV64FNEGS {
  3669  			break
  3670  		}
  3671  		z := neg.Args[0]
  3672  		if !(neg.Uses == 1) {
  3673  			break
  3674  		}
  3675  		v.reset(OpRISCV64FNMSUBS)
  3676  		v.AddArg3(x, y, z)
  3677  		return true
  3678  	}
  3679  	return false
  3680  }
  3681  func rewriteValueRISCV64_OpRISCV64FNMSUBD(v *Value) bool {
  3682  	v_2 := v.Args[2]
  3683  	v_1 := v.Args[1]
  3684  	v_0 := v.Args[0]
  3685  	// match: (FNMSUBD neg:(FNEGD x) y z)
  3686  	// cond: neg.Uses == 1
  3687  	// result: (FMADDD x y z)
  3688  	for {
  3689  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3690  			neg := v_0
  3691  			if neg.Op != OpRISCV64FNEGD {
  3692  				continue
  3693  			}
  3694  			x := neg.Args[0]
  3695  			y := v_1
  3696  			z := v_2
  3697  			if !(neg.Uses == 1) {
  3698  				continue
  3699  			}
  3700  			v.reset(OpRISCV64FMADDD)
  3701  			v.AddArg3(x, y, z)
  3702  			return true
  3703  		}
  3704  		break
  3705  	}
  3706  	// match: (FNMSUBD x y neg:(FNEGD z))
  3707  	// cond: neg.Uses == 1
  3708  	// result: (FNMADDD x y z)
  3709  	for {
  3710  		x := v_0
  3711  		y := v_1
  3712  		neg := v_2
  3713  		if neg.Op != OpRISCV64FNEGD {
  3714  			break
  3715  		}
  3716  		z := neg.Args[0]
  3717  		if !(neg.Uses == 1) {
  3718  			break
  3719  		}
  3720  		v.reset(OpRISCV64FNMADDD)
  3721  		v.AddArg3(x, y, z)
  3722  		return true
  3723  	}
  3724  	return false
  3725  }
  3726  func rewriteValueRISCV64_OpRISCV64FNMSUBS(v *Value) bool {
  3727  	v_2 := v.Args[2]
  3728  	v_1 := v.Args[1]
  3729  	v_0 := v.Args[0]
  3730  	// match: (FNMSUBS neg:(FNEGS x) y z)
  3731  	// cond: neg.Uses == 1
  3732  	// result: (FMADDS x y z)
  3733  	for {
  3734  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3735  			neg := v_0
  3736  			if neg.Op != OpRISCV64FNEGS {
  3737  				continue
  3738  			}
  3739  			x := neg.Args[0]
  3740  			y := v_1
  3741  			z := v_2
  3742  			if !(neg.Uses == 1) {
  3743  				continue
  3744  			}
  3745  			v.reset(OpRISCV64FMADDS)
  3746  			v.AddArg3(x, y, z)
  3747  			return true
  3748  		}
  3749  		break
  3750  	}
  3751  	// match: (FNMSUBS x y neg:(FNEGS z))
  3752  	// cond: neg.Uses == 1
  3753  	// result: (FNMADDS x y z)
  3754  	for {
  3755  		x := v_0
  3756  		y := v_1
  3757  		neg := v_2
  3758  		if neg.Op != OpRISCV64FNEGS {
  3759  			break
  3760  		}
  3761  		z := neg.Args[0]
  3762  		if !(neg.Uses == 1) {
  3763  			break
  3764  		}
  3765  		v.reset(OpRISCV64FNMADDS)
  3766  		v.AddArg3(x, y, z)
  3767  		return true
  3768  	}
  3769  	return false
  3770  }
  3771  func rewriteValueRISCV64_OpRISCV64FSUBD(v *Value) bool {
  3772  	v_1 := v.Args[1]
  3773  	v_0 := v.Args[0]
  3774  	// match: (FSUBD a (FMULD x y))
  3775  	// cond: a.Block.Func.useFMA(v)
  3776  	// result: (FNMSUBD x y a)
  3777  	for {
  3778  		a := v_0
  3779  		if v_1.Op != OpRISCV64FMULD {
  3780  			break
  3781  		}
  3782  		y := v_1.Args[1]
  3783  		x := v_1.Args[0]
  3784  		if !(a.Block.Func.useFMA(v)) {
  3785  			break
  3786  		}
  3787  		v.reset(OpRISCV64FNMSUBD)
  3788  		v.AddArg3(x, y, a)
  3789  		return true
  3790  	}
  3791  	// match: (FSUBD (FMULD x y) a)
  3792  	// cond: a.Block.Func.useFMA(v)
  3793  	// result: (FMSUBD x y a)
  3794  	for {
  3795  		if v_0.Op != OpRISCV64FMULD {
  3796  			break
  3797  		}
  3798  		y := v_0.Args[1]
  3799  		x := v_0.Args[0]
  3800  		a := v_1
  3801  		if !(a.Block.Func.useFMA(v)) {
  3802  			break
  3803  		}
  3804  		v.reset(OpRISCV64FMSUBD)
  3805  		v.AddArg3(x, y, a)
  3806  		return true
  3807  	}
  3808  	return false
  3809  }
  3810  func rewriteValueRISCV64_OpRISCV64FSUBS(v *Value) bool {
  3811  	v_1 := v.Args[1]
  3812  	v_0 := v.Args[0]
  3813  	// match: (FSUBS a (FMULS x y))
  3814  	// cond: a.Block.Func.useFMA(v)
  3815  	// result: (FNMSUBS x y a)
  3816  	for {
  3817  		a := v_0
  3818  		if v_1.Op != OpRISCV64FMULS {
  3819  			break
  3820  		}
  3821  		y := v_1.Args[1]
  3822  		x := v_1.Args[0]
  3823  		if !(a.Block.Func.useFMA(v)) {
  3824  			break
  3825  		}
  3826  		v.reset(OpRISCV64FNMSUBS)
  3827  		v.AddArg3(x, y, a)
  3828  		return true
  3829  	}
  3830  	// match: (FSUBS (FMULS x y) a)
  3831  	// cond: a.Block.Func.useFMA(v)
  3832  	// result: (FMSUBS x y a)
  3833  	for {
  3834  		if v_0.Op != OpRISCV64FMULS {
  3835  			break
  3836  		}
  3837  		y := v_0.Args[1]
  3838  		x := v_0.Args[0]
  3839  		a := v_1
  3840  		if !(a.Block.Func.useFMA(v)) {
  3841  			break
  3842  		}
  3843  		v.reset(OpRISCV64FMSUBS)
  3844  		v.AddArg3(x, y, a)
  3845  		return true
  3846  	}
  3847  	return false
  3848  }
  3849  func rewriteValueRISCV64_OpRISCV64MOVBUload(v *Value) bool {
  3850  	v_1 := v.Args[1]
  3851  	v_0 := v.Args[0]
  3852  	// match: (MOVBUload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  3853  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  3854  	// result: (MOVBUload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  3855  	for {
  3856  		off1 := auxIntToInt32(v.AuxInt)
  3857  		sym1 := auxToSym(v.Aux)
  3858  		if v_0.Op != OpRISCV64MOVaddr {
  3859  			break
  3860  		}
  3861  		off2 := auxIntToInt32(v_0.AuxInt)
  3862  		sym2 := auxToSym(v_0.Aux)
  3863  		base := v_0.Args[0]
  3864  		mem := v_1
  3865  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  3866  			break
  3867  		}
  3868  		v.reset(OpRISCV64MOVBUload)
  3869  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3870  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3871  		v.AddArg2(base, mem)
  3872  		return true
  3873  	}
  3874  	// match: (MOVBUload [off1] {sym} (ADDI [off2] base) mem)
  3875  	// cond: is32Bit(int64(off1)+off2)
  3876  	// result: (MOVBUload [off1+int32(off2)] {sym} base mem)
  3877  	for {
  3878  		off1 := auxIntToInt32(v.AuxInt)
  3879  		sym := auxToSym(v.Aux)
  3880  		if v_0.Op != OpRISCV64ADDI {
  3881  			break
  3882  		}
  3883  		off2 := auxIntToInt64(v_0.AuxInt)
  3884  		base := v_0.Args[0]
  3885  		mem := v_1
  3886  		if !(is32Bit(int64(off1) + off2)) {
  3887  			break
  3888  		}
  3889  		v.reset(OpRISCV64MOVBUload)
  3890  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  3891  		v.Aux = symToAux(sym)
  3892  		v.AddArg2(base, mem)
  3893  		return true
  3894  	}
  3895  	return false
  3896  }
  3897  func rewriteValueRISCV64_OpRISCV64MOVBUreg(v *Value) bool {
  3898  	v_0 := v.Args[0]
  3899  	b := v.Block
  3900  	// match: (MOVBUreg x:(FLES _ _))
  3901  	// result: x
  3902  	for {
  3903  		x := v_0
  3904  		if x.Op != OpRISCV64FLES {
  3905  			break
  3906  		}
  3907  		v.copyOf(x)
  3908  		return true
  3909  	}
  3910  	// match: (MOVBUreg x:(FLTS _ _))
  3911  	// result: x
  3912  	for {
  3913  		x := v_0
  3914  		if x.Op != OpRISCV64FLTS {
  3915  			break
  3916  		}
  3917  		v.copyOf(x)
  3918  		return true
  3919  	}
  3920  	// match: (MOVBUreg x:(FEQS _ _))
  3921  	// result: x
  3922  	for {
  3923  		x := v_0
  3924  		if x.Op != OpRISCV64FEQS {
  3925  			break
  3926  		}
  3927  		v.copyOf(x)
  3928  		return true
  3929  	}
  3930  	// match: (MOVBUreg x:(FNES _ _))
  3931  	// result: x
  3932  	for {
  3933  		x := v_0
  3934  		if x.Op != OpRISCV64FNES {
  3935  			break
  3936  		}
  3937  		v.copyOf(x)
  3938  		return true
  3939  	}
  3940  	// match: (MOVBUreg x:(FLED _ _))
  3941  	// result: x
  3942  	for {
  3943  		x := v_0
  3944  		if x.Op != OpRISCV64FLED {
  3945  			break
  3946  		}
  3947  		v.copyOf(x)
  3948  		return true
  3949  	}
  3950  	// match: (MOVBUreg x:(FLTD _ _))
  3951  	// result: x
  3952  	for {
  3953  		x := v_0
  3954  		if x.Op != OpRISCV64FLTD {
  3955  			break
  3956  		}
  3957  		v.copyOf(x)
  3958  		return true
  3959  	}
  3960  	// match: (MOVBUreg x:(FEQD _ _))
  3961  	// result: x
  3962  	for {
  3963  		x := v_0
  3964  		if x.Op != OpRISCV64FEQD {
  3965  			break
  3966  		}
  3967  		v.copyOf(x)
  3968  		return true
  3969  	}
  3970  	// match: (MOVBUreg x:(FNED _ _))
  3971  	// result: x
  3972  	for {
  3973  		x := v_0
  3974  		if x.Op != OpRISCV64FNED {
  3975  			break
  3976  		}
  3977  		v.copyOf(x)
  3978  		return true
  3979  	}
  3980  	// match: (MOVBUreg x:(SEQZ _))
  3981  	// result: x
  3982  	for {
  3983  		x := v_0
  3984  		if x.Op != OpRISCV64SEQZ {
  3985  			break
  3986  		}
  3987  		v.copyOf(x)
  3988  		return true
  3989  	}
  3990  	// match: (MOVBUreg x:(SNEZ _))
  3991  	// result: x
  3992  	for {
  3993  		x := v_0
  3994  		if x.Op != OpRISCV64SNEZ {
  3995  			break
  3996  		}
  3997  		v.copyOf(x)
  3998  		return true
  3999  	}
  4000  	// match: (MOVBUreg x:(SLT _ _))
  4001  	// result: x
  4002  	for {
  4003  		x := v_0
  4004  		if x.Op != OpRISCV64SLT {
  4005  			break
  4006  		}
  4007  		v.copyOf(x)
  4008  		return true
  4009  	}
  4010  	// match: (MOVBUreg x:(SLTU _ _))
  4011  	// result: x
  4012  	for {
  4013  		x := v_0
  4014  		if x.Op != OpRISCV64SLTU {
  4015  			break
  4016  		}
  4017  		v.copyOf(x)
  4018  		return true
  4019  	}
  4020  	// match: (MOVBUreg x:(ANDI [c] y))
  4021  	// cond: c >= 0 && int64(uint8(c)) == c
  4022  	// result: x
  4023  	for {
  4024  		x := v_0
  4025  		if x.Op != OpRISCV64ANDI {
  4026  			break
  4027  		}
  4028  		c := auxIntToInt64(x.AuxInt)
  4029  		if !(c >= 0 && int64(uint8(c)) == c) {
  4030  			break
  4031  		}
  4032  		v.copyOf(x)
  4033  		return true
  4034  	}
  4035  	// match: (MOVBUreg (ANDI [c] x))
  4036  	// cond: c < 0
  4037  	// result: (ANDI [int64(uint8(c))] x)
  4038  	for {
  4039  		if v_0.Op != OpRISCV64ANDI {
  4040  			break
  4041  		}
  4042  		c := auxIntToInt64(v_0.AuxInt)
  4043  		x := v_0.Args[0]
  4044  		if !(c < 0) {
  4045  			break
  4046  		}
  4047  		v.reset(OpRISCV64ANDI)
  4048  		v.AuxInt = int64ToAuxInt(int64(uint8(c)))
  4049  		v.AddArg(x)
  4050  		return true
  4051  	}
  4052  	// match: (MOVBUreg (MOVDconst [c]))
  4053  	// result: (MOVDconst [int64(uint8(c))])
  4054  	for {
  4055  		if v_0.Op != OpRISCV64MOVDconst {
  4056  			break
  4057  		}
  4058  		c := auxIntToInt64(v_0.AuxInt)
  4059  		v.reset(OpRISCV64MOVDconst)
  4060  		v.AuxInt = int64ToAuxInt(int64(uint8(c)))
  4061  		return true
  4062  	}
  4063  	// match: (MOVBUreg x:(MOVBUload _ _))
  4064  	// result: (MOVDreg x)
  4065  	for {
  4066  		x := v_0
  4067  		if x.Op != OpRISCV64MOVBUload {
  4068  			break
  4069  		}
  4070  		v.reset(OpRISCV64MOVDreg)
  4071  		v.AddArg(x)
  4072  		return true
  4073  	}
  4074  	// match: (MOVBUreg x:(Select0 (LoweredAtomicLoad8 _ _)))
  4075  	// result: (MOVDreg x)
  4076  	for {
  4077  		x := v_0
  4078  		if x.Op != OpSelect0 {
  4079  			break
  4080  		}
  4081  		x_0 := x.Args[0]
  4082  		if x_0.Op != OpRISCV64LoweredAtomicLoad8 {
  4083  			break
  4084  		}
  4085  		v.reset(OpRISCV64MOVDreg)
  4086  		v.AddArg(x)
  4087  		return true
  4088  	}
  4089  	// match: (MOVBUreg x:(Select0 (LoweredAtomicCas32 _ _ _ _)))
  4090  	// result: (MOVDreg x)
  4091  	for {
  4092  		x := v_0
  4093  		if x.Op != OpSelect0 {
  4094  			break
  4095  		}
  4096  		x_0 := x.Args[0]
  4097  		if x_0.Op != OpRISCV64LoweredAtomicCas32 {
  4098  			break
  4099  		}
  4100  		v.reset(OpRISCV64MOVDreg)
  4101  		v.AddArg(x)
  4102  		return true
  4103  	}
  4104  	// match: (MOVBUreg x:(Select0 (LoweredAtomicCas64 _ _ _ _)))
  4105  	// result: (MOVDreg x)
  4106  	for {
  4107  		x := v_0
  4108  		if x.Op != OpSelect0 {
  4109  			break
  4110  		}
  4111  		x_0 := x.Args[0]
  4112  		if x_0.Op != OpRISCV64LoweredAtomicCas64 {
  4113  			break
  4114  		}
  4115  		v.reset(OpRISCV64MOVDreg)
  4116  		v.AddArg(x)
  4117  		return true
  4118  	}
  4119  	// match: (MOVBUreg x:(MOVBUreg _))
  4120  	// result: (MOVDreg x)
  4121  	for {
  4122  		x := v_0
  4123  		if x.Op != OpRISCV64MOVBUreg {
  4124  			break
  4125  		}
  4126  		v.reset(OpRISCV64MOVDreg)
  4127  		v.AddArg(x)
  4128  		return true
  4129  	}
  4130  	// match: (MOVBUreg <t> x:(MOVBload [off] {sym} ptr mem))
  4131  	// cond: x.Uses == 1 && clobber(x)
  4132  	// result: @x.Block (MOVBUload <t> [off] {sym} ptr mem)
  4133  	for {
  4134  		t := v.Type
  4135  		x := v_0
  4136  		if x.Op != OpRISCV64MOVBload {
  4137  			break
  4138  		}
  4139  		off := auxIntToInt32(x.AuxInt)
  4140  		sym := auxToSym(x.Aux)
  4141  		mem := x.Args[1]
  4142  		ptr := x.Args[0]
  4143  		if !(x.Uses == 1 && clobber(x)) {
  4144  			break
  4145  		}
  4146  		b = x.Block
  4147  		v0 := b.NewValue0(x.Pos, OpRISCV64MOVBUload, t)
  4148  		v.copyOf(v0)
  4149  		v0.AuxInt = int32ToAuxInt(off)
  4150  		v0.Aux = symToAux(sym)
  4151  		v0.AddArg2(ptr, mem)
  4152  		return true
  4153  	}
  4154  	return false
  4155  }
  4156  func rewriteValueRISCV64_OpRISCV64MOVBload(v *Value) bool {
  4157  	v_1 := v.Args[1]
  4158  	v_0 := v.Args[0]
  4159  	// match: (MOVBload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  4160  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  4161  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4162  	for {
  4163  		off1 := auxIntToInt32(v.AuxInt)
  4164  		sym1 := auxToSym(v.Aux)
  4165  		if v_0.Op != OpRISCV64MOVaddr {
  4166  			break
  4167  		}
  4168  		off2 := auxIntToInt32(v_0.AuxInt)
  4169  		sym2 := auxToSym(v_0.Aux)
  4170  		base := v_0.Args[0]
  4171  		mem := v_1
  4172  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  4173  			break
  4174  		}
  4175  		v.reset(OpRISCV64MOVBload)
  4176  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4177  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4178  		v.AddArg2(base, mem)
  4179  		return true
  4180  	}
  4181  	// match: (MOVBload [off1] {sym} (ADDI [off2] base) mem)
  4182  	// cond: is32Bit(int64(off1)+off2)
  4183  	// result: (MOVBload [off1+int32(off2)] {sym} base mem)
  4184  	for {
  4185  		off1 := auxIntToInt32(v.AuxInt)
  4186  		sym := auxToSym(v.Aux)
  4187  		if v_0.Op != OpRISCV64ADDI {
  4188  			break
  4189  		}
  4190  		off2 := auxIntToInt64(v_0.AuxInt)
  4191  		base := v_0.Args[0]
  4192  		mem := v_1
  4193  		if !(is32Bit(int64(off1) + off2)) {
  4194  			break
  4195  		}
  4196  		v.reset(OpRISCV64MOVBload)
  4197  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4198  		v.Aux = symToAux(sym)
  4199  		v.AddArg2(base, mem)
  4200  		return true
  4201  	}
  4202  	return false
  4203  }
  4204  func rewriteValueRISCV64_OpRISCV64MOVBreg(v *Value) bool {
  4205  	v_0 := v.Args[0]
  4206  	b := v.Block
  4207  	// match: (MOVBreg x:(ANDI [c] y))
  4208  	// cond: c >= 0 && int64(int8(c)) == c
  4209  	// result: x
  4210  	for {
  4211  		x := v_0
  4212  		if x.Op != OpRISCV64ANDI {
  4213  			break
  4214  		}
  4215  		c := auxIntToInt64(x.AuxInt)
  4216  		if !(c >= 0 && int64(int8(c)) == c) {
  4217  			break
  4218  		}
  4219  		v.copyOf(x)
  4220  		return true
  4221  	}
  4222  	// match: (MOVBreg (MOVDconst [c]))
  4223  	// result: (MOVDconst [int64(int8(c))])
  4224  	for {
  4225  		if v_0.Op != OpRISCV64MOVDconst {
  4226  			break
  4227  		}
  4228  		c := auxIntToInt64(v_0.AuxInt)
  4229  		v.reset(OpRISCV64MOVDconst)
  4230  		v.AuxInt = int64ToAuxInt(int64(int8(c)))
  4231  		return true
  4232  	}
  4233  	// match: (MOVBreg x:(MOVBload _ _))
  4234  	// result: (MOVDreg x)
  4235  	for {
  4236  		x := v_0
  4237  		if x.Op != OpRISCV64MOVBload {
  4238  			break
  4239  		}
  4240  		v.reset(OpRISCV64MOVDreg)
  4241  		v.AddArg(x)
  4242  		return true
  4243  	}
  4244  	// match: (MOVBreg x:(MOVBreg _))
  4245  	// result: (MOVDreg x)
  4246  	for {
  4247  		x := v_0
  4248  		if x.Op != OpRISCV64MOVBreg {
  4249  			break
  4250  		}
  4251  		v.reset(OpRISCV64MOVDreg)
  4252  		v.AddArg(x)
  4253  		return true
  4254  	}
  4255  	// match: (MOVBreg <t> x:(MOVBUload [off] {sym} ptr mem))
  4256  	// cond: x.Uses == 1 && clobber(x)
  4257  	// result: @x.Block (MOVBload <t> [off] {sym} ptr mem)
  4258  	for {
  4259  		t := v.Type
  4260  		x := v_0
  4261  		if x.Op != OpRISCV64MOVBUload {
  4262  			break
  4263  		}
  4264  		off := auxIntToInt32(x.AuxInt)
  4265  		sym := auxToSym(x.Aux)
  4266  		mem := x.Args[1]
  4267  		ptr := x.Args[0]
  4268  		if !(x.Uses == 1 && clobber(x)) {
  4269  			break
  4270  		}
  4271  		b = x.Block
  4272  		v0 := b.NewValue0(x.Pos, OpRISCV64MOVBload, t)
  4273  		v.copyOf(v0)
  4274  		v0.AuxInt = int32ToAuxInt(off)
  4275  		v0.Aux = symToAux(sym)
  4276  		v0.AddArg2(ptr, mem)
  4277  		return true
  4278  	}
  4279  	return false
  4280  }
  4281  func rewriteValueRISCV64_OpRISCV64MOVBstore(v *Value) bool {
  4282  	v_2 := v.Args[2]
  4283  	v_1 := v.Args[1]
  4284  	v_0 := v.Args[0]
  4285  	// match: (MOVBstore [off1] {sym1} (MOVaddr [off2] {sym2} base) val mem)
  4286  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  4287  	// result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4288  	for {
  4289  		off1 := auxIntToInt32(v.AuxInt)
  4290  		sym1 := auxToSym(v.Aux)
  4291  		if v_0.Op != OpRISCV64MOVaddr {
  4292  			break
  4293  		}
  4294  		off2 := auxIntToInt32(v_0.AuxInt)
  4295  		sym2 := auxToSym(v_0.Aux)
  4296  		base := v_0.Args[0]
  4297  		val := v_1
  4298  		mem := v_2
  4299  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  4300  			break
  4301  		}
  4302  		v.reset(OpRISCV64MOVBstore)
  4303  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4304  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4305  		v.AddArg3(base, val, mem)
  4306  		return true
  4307  	}
  4308  	// match: (MOVBstore [off1] {sym} (ADDI [off2] base) val mem)
  4309  	// cond: is32Bit(int64(off1)+off2)
  4310  	// result: (MOVBstore [off1+int32(off2)] {sym} base val mem)
  4311  	for {
  4312  		off1 := auxIntToInt32(v.AuxInt)
  4313  		sym := auxToSym(v.Aux)
  4314  		if v_0.Op != OpRISCV64ADDI {
  4315  			break
  4316  		}
  4317  		off2 := auxIntToInt64(v_0.AuxInt)
  4318  		base := v_0.Args[0]
  4319  		val := v_1
  4320  		mem := v_2
  4321  		if !(is32Bit(int64(off1) + off2)) {
  4322  			break
  4323  		}
  4324  		v.reset(OpRISCV64MOVBstore)
  4325  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4326  		v.Aux = symToAux(sym)
  4327  		v.AddArg3(base, val, mem)
  4328  		return true
  4329  	}
  4330  	// match: (MOVBstore [off] {sym} ptr (MOVDconst [0]) mem)
  4331  	// result: (MOVBstorezero [off] {sym} ptr mem)
  4332  	for {
  4333  		off := auxIntToInt32(v.AuxInt)
  4334  		sym := auxToSym(v.Aux)
  4335  		ptr := v_0
  4336  		if v_1.Op != OpRISCV64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  4337  			break
  4338  		}
  4339  		mem := v_2
  4340  		v.reset(OpRISCV64MOVBstorezero)
  4341  		v.AuxInt = int32ToAuxInt(off)
  4342  		v.Aux = symToAux(sym)
  4343  		v.AddArg2(ptr, mem)
  4344  		return true
  4345  	}
  4346  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
  4347  	// result: (MOVBstore [off] {sym} ptr x mem)
  4348  	for {
  4349  		off := auxIntToInt32(v.AuxInt)
  4350  		sym := auxToSym(v.Aux)
  4351  		ptr := v_0
  4352  		if v_1.Op != OpRISCV64MOVBreg {
  4353  			break
  4354  		}
  4355  		x := v_1.Args[0]
  4356  		mem := v_2
  4357  		v.reset(OpRISCV64MOVBstore)
  4358  		v.AuxInt = int32ToAuxInt(off)
  4359  		v.Aux = symToAux(sym)
  4360  		v.AddArg3(ptr, x, mem)
  4361  		return true
  4362  	}
  4363  	// match: (MOVBstore [off] {sym} ptr (MOVHreg x) mem)
  4364  	// result: (MOVBstore [off] {sym} ptr x mem)
  4365  	for {
  4366  		off := auxIntToInt32(v.AuxInt)
  4367  		sym := auxToSym(v.Aux)
  4368  		ptr := v_0
  4369  		if v_1.Op != OpRISCV64MOVHreg {
  4370  			break
  4371  		}
  4372  		x := v_1.Args[0]
  4373  		mem := v_2
  4374  		v.reset(OpRISCV64MOVBstore)
  4375  		v.AuxInt = int32ToAuxInt(off)
  4376  		v.Aux = symToAux(sym)
  4377  		v.AddArg3(ptr, x, mem)
  4378  		return true
  4379  	}
  4380  	// match: (MOVBstore [off] {sym} ptr (MOVWreg x) mem)
  4381  	// result: (MOVBstore [off] {sym} ptr x mem)
  4382  	for {
  4383  		off := auxIntToInt32(v.AuxInt)
  4384  		sym := auxToSym(v.Aux)
  4385  		ptr := v_0
  4386  		if v_1.Op != OpRISCV64MOVWreg {
  4387  			break
  4388  		}
  4389  		x := v_1.Args[0]
  4390  		mem := v_2
  4391  		v.reset(OpRISCV64MOVBstore)
  4392  		v.AuxInt = int32ToAuxInt(off)
  4393  		v.Aux = symToAux(sym)
  4394  		v.AddArg3(ptr, x, mem)
  4395  		return true
  4396  	}
  4397  	// match: (MOVBstore [off] {sym} ptr (MOVBUreg x) mem)
  4398  	// result: (MOVBstore [off] {sym} ptr x mem)
  4399  	for {
  4400  		off := auxIntToInt32(v.AuxInt)
  4401  		sym := auxToSym(v.Aux)
  4402  		ptr := v_0
  4403  		if v_1.Op != OpRISCV64MOVBUreg {
  4404  			break
  4405  		}
  4406  		x := v_1.Args[0]
  4407  		mem := v_2
  4408  		v.reset(OpRISCV64MOVBstore)
  4409  		v.AuxInt = int32ToAuxInt(off)
  4410  		v.Aux = symToAux(sym)
  4411  		v.AddArg3(ptr, x, mem)
  4412  		return true
  4413  	}
  4414  	// match: (MOVBstore [off] {sym} ptr (MOVHUreg x) mem)
  4415  	// result: (MOVBstore [off] {sym} ptr x mem)
  4416  	for {
  4417  		off := auxIntToInt32(v.AuxInt)
  4418  		sym := auxToSym(v.Aux)
  4419  		ptr := v_0
  4420  		if v_1.Op != OpRISCV64MOVHUreg {
  4421  			break
  4422  		}
  4423  		x := v_1.Args[0]
  4424  		mem := v_2
  4425  		v.reset(OpRISCV64MOVBstore)
  4426  		v.AuxInt = int32ToAuxInt(off)
  4427  		v.Aux = symToAux(sym)
  4428  		v.AddArg3(ptr, x, mem)
  4429  		return true
  4430  	}
  4431  	// match: (MOVBstore [off] {sym} ptr (MOVWUreg x) mem)
  4432  	// result: (MOVBstore [off] {sym} ptr x mem)
  4433  	for {
  4434  		off := auxIntToInt32(v.AuxInt)
  4435  		sym := auxToSym(v.Aux)
  4436  		ptr := v_0
  4437  		if v_1.Op != OpRISCV64MOVWUreg {
  4438  			break
  4439  		}
  4440  		x := v_1.Args[0]
  4441  		mem := v_2
  4442  		v.reset(OpRISCV64MOVBstore)
  4443  		v.AuxInt = int32ToAuxInt(off)
  4444  		v.Aux = symToAux(sym)
  4445  		v.AddArg3(ptr, x, mem)
  4446  		return true
  4447  	}
  4448  	return false
  4449  }
  4450  func rewriteValueRISCV64_OpRISCV64MOVBstorezero(v *Value) bool {
  4451  	v_1 := v.Args[1]
  4452  	v_0 := v.Args[0]
  4453  	// match: (MOVBstorezero [off1] {sym1} (MOVaddr [off2] {sym2} ptr) mem)
  4454  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2))
  4455  	// result: (MOVBstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  4456  	for {
  4457  		off1 := auxIntToInt32(v.AuxInt)
  4458  		sym1 := auxToSym(v.Aux)
  4459  		if v_0.Op != OpRISCV64MOVaddr {
  4460  			break
  4461  		}
  4462  		off2 := auxIntToInt32(v_0.AuxInt)
  4463  		sym2 := auxToSym(v_0.Aux)
  4464  		ptr := v_0.Args[0]
  4465  		mem := v_1
  4466  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2))) {
  4467  			break
  4468  		}
  4469  		v.reset(OpRISCV64MOVBstorezero)
  4470  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4471  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4472  		v.AddArg2(ptr, mem)
  4473  		return true
  4474  	}
  4475  	// match: (MOVBstorezero [off1] {sym} (ADDI [off2] ptr) mem)
  4476  	// cond: is32Bit(int64(off1)+off2)
  4477  	// result: (MOVBstorezero [off1+int32(off2)] {sym} ptr mem)
  4478  	for {
  4479  		off1 := auxIntToInt32(v.AuxInt)
  4480  		sym := auxToSym(v.Aux)
  4481  		if v_0.Op != OpRISCV64ADDI {
  4482  			break
  4483  		}
  4484  		off2 := auxIntToInt64(v_0.AuxInt)
  4485  		ptr := v_0.Args[0]
  4486  		mem := v_1
  4487  		if !(is32Bit(int64(off1) + off2)) {
  4488  			break
  4489  		}
  4490  		v.reset(OpRISCV64MOVBstorezero)
  4491  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4492  		v.Aux = symToAux(sym)
  4493  		v.AddArg2(ptr, mem)
  4494  		return true
  4495  	}
  4496  	return false
  4497  }
  4498  func rewriteValueRISCV64_OpRISCV64MOVDload(v *Value) bool {
  4499  	v_1 := v.Args[1]
  4500  	v_0 := v.Args[0]
  4501  	// match: (MOVDload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  4502  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  4503  	// result: (MOVDload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4504  	for {
  4505  		off1 := auxIntToInt32(v.AuxInt)
  4506  		sym1 := auxToSym(v.Aux)
  4507  		if v_0.Op != OpRISCV64MOVaddr {
  4508  			break
  4509  		}
  4510  		off2 := auxIntToInt32(v_0.AuxInt)
  4511  		sym2 := auxToSym(v_0.Aux)
  4512  		base := v_0.Args[0]
  4513  		mem := v_1
  4514  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  4515  			break
  4516  		}
  4517  		v.reset(OpRISCV64MOVDload)
  4518  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4519  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4520  		v.AddArg2(base, mem)
  4521  		return true
  4522  	}
  4523  	// match: (MOVDload [off1] {sym} (ADDI [off2] base) mem)
  4524  	// cond: is32Bit(int64(off1)+off2)
  4525  	// result: (MOVDload [off1+int32(off2)] {sym} base mem)
  4526  	for {
  4527  		off1 := auxIntToInt32(v.AuxInt)
  4528  		sym := auxToSym(v.Aux)
  4529  		if v_0.Op != OpRISCV64ADDI {
  4530  			break
  4531  		}
  4532  		off2 := auxIntToInt64(v_0.AuxInt)
  4533  		base := v_0.Args[0]
  4534  		mem := v_1
  4535  		if !(is32Bit(int64(off1) + off2)) {
  4536  			break
  4537  		}
  4538  		v.reset(OpRISCV64MOVDload)
  4539  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4540  		v.Aux = symToAux(sym)
  4541  		v.AddArg2(base, mem)
  4542  		return true
  4543  	}
  4544  	return false
  4545  }
  4546  func rewriteValueRISCV64_OpRISCV64MOVDnop(v *Value) bool {
  4547  	v_0 := v.Args[0]
  4548  	// match: (MOVDnop (MOVDconst [c]))
  4549  	// result: (MOVDconst [c])
  4550  	for {
  4551  		if v_0.Op != OpRISCV64MOVDconst {
  4552  			break
  4553  		}
  4554  		c := auxIntToInt64(v_0.AuxInt)
  4555  		v.reset(OpRISCV64MOVDconst)
  4556  		v.AuxInt = int64ToAuxInt(c)
  4557  		return true
  4558  	}
  4559  	return false
  4560  }
  4561  func rewriteValueRISCV64_OpRISCV64MOVDreg(v *Value) bool {
  4562  	v_0 := v.Args[0]
  4563  	// match: (MOVDreg x)
  4564  	// cond: x.Uses == 1
  4565  	// result: (MOVDnop x)
  4566  	for {
  4567  		x := v_0
  4568  		if !(x.Uses == 1) {
  4569  			break
  4570  		}
  4571  		v.reset(OpRISCV64MOVDnop)
  4572  		v.AddArg(x)
  4573  		return true
  4574  	}
  4575  	return false
  4576  }
  4577  func rewriteValueRISCV64_OpRISCV64MOVDstore(v *Value) bool {
  4578  	v_2 := v.Args[2]
  4579  	v_1 := v.Args[1]
  4580  	v_0 := v.Args[0]
  4581  	// match: (MOVDstore [off1] {sym1} (MOVaddr [off2] {sym2} base) val mem)
  4582  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  4583  	// result: (MOVDstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4584  	for {
  4585  		off1 := auxIntToInt32(v.AuxInt)
  4586  		sym1 := auxToSym(v.Aux)
  4587  		if v_0.Op != OpRISCV64MOVaddr {
  4588  			break
  4589  		}
  4590  		off2 := auxIntToInt32(v_0.AuxInt)
  4591  		sym2 := auxToSym(v_0.Aux)
  4592  		base := v_0.Args[0]
  4593  		val := v_1
  4594  		mem := v_2
  4595  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  4596  			break
  4597  		}
  4598  		v.reset(OpRISCV64MOVDstore)
  4599  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4600  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4601  		v.AddArg3(base, val, mem)
  4602  		return true
  4603  	}
  4604  	// match: (MOVDstore [off1] {sym} (ADDI [off2] base) val mem)
  4605  	// cond: is32Bit(int64(off1)+off2)
  4606  	// result: (MOVDstore [off1+int32(off2)] {sym} base val mem)
  4607  	for {
  4608  		off1 := auxIntToInt32(v.AuxInt)
  4609  		sym := auxToSym(v.Aux)
  4610  		if v_0.Op != OpRISCV64ADDI {
  4611  			break
  4612  		}
  4613  		off2 := auxIntToInt64(v_0.AuxInt)
  4614  		base := v_0.Args[0]
  4615  		val := v_1
  4616  		mem := v_2
  4617  		if !(is32Bit(int64(off1) + off2)) {
  4618  			break
  4619  		}
  4620  		v.reset(OpRISCV64MOVDstore)
  4621  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4622  		v.Aux = symToAux(sym)
  4623  		v.AddArg3(base, val, mem)
  4624  		return true
  4625  	}
  4626  	// match: (MOVDstore [off] {sym} ptr (MOVDconst [0]) mem)
  4627  	// result: (MOVDstorezero [off] {sym} ptr mem)
  4628  	for {
  4629  		off := auxIntToInt32(v.AuxInt)
  4630  		sym := auxToSym(v.Aux)
  4631  		ptr := v_0
  4632  		if v_1.Op != OpRISCV64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  4633  			break
  4634  		}
  4635  		mem := v_2
  4636  		v.reset(OpRISCV64MOVDstorezero)
  4637  		v.AuxInt = int32ToAuxInt(off)
  4638  		v.Aux = symToAux(sym)
  4639  		v.AddArg2(ptr, mem)
  4640  		return true
  4641  	}
  4642  	return false
  4643  }
  4644  func rewriteValueRISCV64_OpRISCV64MOVDstorezero(v *Value) bool {
  4645  	v_1 := v.Args[1]
  4646  	v_0 := v.Args[0]
  4647  	// match: (MOVDstorezero [off1] {sym1} (MOVaddr [off2] {sym2} ptr) mem)
  4648  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2))
  4649  	// result: (MOVDstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  4650  	for {
  4651  		off1 := auxIntToInt32(v.AuxInt)
  4652  		sym1 := auxToSym(v.Aux)
  4653  		if v_0.Op != OpRISCV64MOVaddr {
  4654  			break
  4655  		}
  4656  		off2 := auxIntToInt32(v_0.AuxInt)
  4657  		sym2 := auxToSym(v_0.Aux)
  4658  		ptr := v_0.Args[0]
  4659  		mem := v_1
  4660  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2))) {
  4661  			break
  4662  		}
  4663  		v.reset(OpRISCV64MOVDstorezero)
  4664  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4665  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4666  		v.AddArg2(ptr, mem)
  4667  		return true
  4668  	}
  4669  	// match: (MOVDstorezero [off1] {sym} (ADDI [off2] ptr) mem)
  4670  	// cond: is32Bit(int64(off1)+off2)
  4671  	// result: (MOVDstorezero [off1+int32(off2)] {sym} ptr mem)
  4672  	for {
  4673  		off1 := auxIntToInt32(v.AuxInt)
  4674  		sym := auxToSym(v.Aux)
  4675  		if v_0.Op != OpRISCV64ADDI {
  4676  			break
  4677  		}
  4678  		off2 := auxIntToInt64(v_0.AuxInt)
  4679  		ptr := v_0.Args[0]
  4680  		mem := v_1
  4681  		if !(is32Bit(int64(off1) + off2)) {
  4682  			break
  4683  		}
  4684  		v.reset(OpRISCV64MOVDstorezero)
  4685  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4686  		v.Aux = symToAux(sym)
  4687  		v.AddArg2(ptr, mem)
  4688  		return true
  4689  	}
  4690  	return false
  4691  }
  4692  func rewriteValueRISCV64_OpRISCV64MOVHUload(v *Value) bool {
  4693  	v_1 := v.Args[1]
  4694  	v_0 := v.Args[0]
  4695  	// match: (MOVHUload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  4696  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  4697  	// result: (MOVHUload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4698  	for {
  4699  		off1 := auxIntToInt32(v.AuxInt)
  4700  		sym1 := auxToSym(v.Aux)
  4701  		if v_0.Op != OpRISCV64MOVaddr {
  4702  			break
  4703  		}
  4704  		off2 := auxIntToInt32(v_0.AuxInt)
  4705  		sym2 := auxToSym(v_0.Aux)
  4706  		base := v_0.Args[0]
  4707  		mem := v_1
  4708  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  4709  			break
  4710  		}
  4711  		v.reset(OpRISCV64MOVHUload)
  4712  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4713  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4714  		v.AddArg2(base, mem)
  4715  		return true
  4716  	}
  4717  	// match: (MOVHUload [off1] {sym} (ADDI [off2] base) mem)
  4718  	// cond: is32Bit(int64(off1)+off2)
  4719  	// result: (MOVHUload [off1+int32(off2)] {sym} base mem)
  4720  	for {
  4721  		off1 := auxIntToInt32(v.AuxInt)
  4722  		sym := auxToSym(v.Aux)
  4723  		if v_0.Op != OpRISCV64ADDI {
  4724  			break
  4725  		}
  4726  		off2 := auxIntToInt64(v_0.AuxInt)
  4727  		base := v_0.Args[0]
  4728  		mem := v_1
  4729  		if !(is32Bit(int64(off1) + off2)) {
  4730  			break
  4731  		}
  4732  		v.reset(OpRISCV64MOVHUload)
  4733  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4734  		v.Aux = symToAux(sym)
  4735  		v.AddArg2(base, mem)
  4736  		return true
  4737  	}
  4738  	return false
  4739  }
  4740  func rewriteValueRISCV64_OpRISCV64MOVHUreg(v *Value) bool {
  4741  	v_0 := v.Args[0]
  4742  	b := v.Block
  4743  	// match: (MOVHUreg x:(ANDI [c] y))
  4744  	// cond: c >= 0 && int64(uint16(c)) == c
  4745  	// result: x
  4746  	for {
  4747  		x := v_0
  4748  		if x.Op != OpRISCV64ANDI {
  4749  			break
  4750  		}
  4751  		c := auxIntToInt64(x.AuxInt)
  4752  		if !(c >= 0 && int64(uint16(c)) == c) {
  4753  			break
  4754  		}
  4755  		v.copyOf(x)
  4756  		return true
  4757  	}
  4758  	// match: (MOVHUreg (ANDI [c] x))
  4759  	// cond: c < 0
  4760  	// result: (ANDI [int64(uint16(c))] x)
  4761  	for {
  4762  		if v_0.Op != OpRISCV64ANDI {
  4763  			break
  4764  		}
  4765  		c := auxIntToInt64(v_0.AuxInt)
  4766  		x := v_0.Args[0]
  4767  		if !(c < 0) {
  4768  			break
  4769  		}
  4770  		v.reset(OpRISCV64ANDI)
  4771  		v.AuxInt = int64ToAuxInt(int64(uint16(c)))
  4772  		v.AddArg(x)
  4773  		return true
  4774  	}
  4775  	// match: (MOVHUreg (MOVDconst [c]))
  4776  	// result: (MOVDconst [int64(uint16(c))])
  4777  	for {
  4778  		if v_0.Op != OpRISCV64MOVDconst {
  4779  			break
  4780  		}
  4781  		c := auxIntToInt64(v_0.AuxInt)
  4782  		v.reset(OpRISCV64MOVDconst)
  4783  		v.AuxInt = int64ToAuxInt(int64(uint16(c)))
  4784  		return true
  4785  	}
  4786  	// match: (MOVHUreg x:(MOVBUload _ _))
  4787  	// result: (MOVDreg x)
  4788  	for {
  4789  		x := v_0
  4790  		if x.Op != OpRISCV64MOVBUload {
  4791  			break
  4792  		}
  4793  		v.reset(OpRISCV64MOVDreg)
  4794  		v.AddArg(x)
  4795  		return true
  4796  	}
  4797  	// match: (MOVHUreg x:(MOVHUload _ _))
  4798  	// result: (MOVDreg x)
  4799  	for {
  4800  		x := v_0
  4801  		if x.Op != OpRISCV64MOVHUload {
  4802  			break
  4803  		}
  4804  		v.reset(OpRISCV64MOVDreg)
  4805  		v.AddArg(x)
  4806  		return true
  4807  	}
  4808  	// match: (MOVHUreg x:(MOVBUreg _))
  4809  	// result: (MOVDreg x)
  4810  	for {
  4811  		x := v_0
  4812  		if x.Op != OpRISCV64MOVBUreg {
  4813  			break
  4814  		}
  4815  		v.reset(OpRISCV64MOVDreg)
  4816  		v.AddArg(x)
  4817  		return true
  4818  	}
  4819  	// match: (MOVHUreg x:(MOVHUreg _))
  4820  	// result: (MOVDreg x)
  4821  	for {
  4822  		x := v_0
  4823  		if x.Op != OpRISCV64MOVHUreg {
  4824  			break
  4825  		}
  4826  		v.reset(OpRISCV64MOVDreg)
  4827  		v.AddArg(x)
  4828  		return true
  4829  	}
  4830  	// match: (MOVHUreg <t> x:(MOVHload [off] {sym} ptr mem))
  4831  	// cond: x.Uses == 1 && clobber(x)
  4832  	// result: @x.Block (MOVHUload <t> [off] {sym} ptr mem)
  4833  	for {
  4834  		t := v.Type
  4835  		x := v_0
  4836  		if x.Op != OpRISCV64MOVHload {
  4837  			break
  4838  		}
  4839  		off := auxIntToInt32(x.AuxInt)
  4840  		sym := auxToSym(x.Aux)
  4841  		mem := x.Args[1]
  4842  		ptr := x.Args[0]
  4843  		if !(x.Uses == 1 && clobber(x)) {
  4844  			break
  4845  		}
  4846  		b = x.Block
  4847  		v0 := b.NewValue0(x.Pos, OpRISCV64MOVHUload, t)
  4848  		v.copyOf(v0)
  4849  		v0.AuxInt = int32ToAuxInt(off)
  4850  		v0.Aux = symToAux(sym)
  4851  		v0.AddArg2(ptr, mem)
  4852  		return true
  4853  	}
  4854  	return false
  4855  }
  4856  func rewriteValueRISCV64_OpRISCV64MOVHload(v *Value) bool {
  4857  	v_1 := v.Args[1]
  4858  	v_0 := v.Args[0]
  4859  	// match: (MOVHload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  4860  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  4861  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4862  	for {
  4863  		off1 := auxIntToInt32(v.AuxInt)
  4864  		sym1 := auxToSym(v.Aux)
  4865  		if v_0.Op != OpRISCV64MOVaddr {
  4866  			break
  4867  		}
  4868  		off2 := auxIntToInt32(v_0.AuxInt)
  4869  		sym2 := auxToSym(v_0.Aux)
  4870  		base := v_0.Args[0]
  4871  		mem := v_1
  4872  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  4873  			break
  4874  		}
  4875  		v.reset(OpRISCV64MOVHload)
  4876  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4877  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4878  		v.AddArg2(base, mem)
  4879  		return true
  4880  	}
  4881  	// match: (MOVHload [off1] {sym} (ADDI [off2] base) mem)
  4882  	// cond: is32Bit(int64(off1)+off2)
  4883  	// result: (MOVHload [off1+int32(off2)] {sym} base mem)
  4884  	for {
  4885  		off1 := auxIntToInt32(v.AuxInt)
  4886  		sym := auxToSym(v.Aux)
  4887  		if v_0.Op != OpRISCV64ADDI {
  4888  			break
  4889  		}
  4890  		off2 := auxIntToInt64(v_0.AuxInt)
  4891  		base := v_0.Args[0]
  4892  		mem := v_1
  4893  		if !(is32Bit(int64(off1) + off2)) {
  4894  			break
  4895  		}
  4896  		v.reset(OpRISCV64MOVHload)
  4897  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4898  		v.Aux = symToAux(sym)
  4899  		v.AddArg2(base, mem)
  4900  		return true
  4901  	}
  4902  	return false
  4903  }
  4904  func rewriteValueRISCV64_OpRISCV64MOVHreg(v *Value) bool {
  4905  	v_0 := v.Args[0]
  4906  	b := v.Block
  4907  	// match: (MOVHreg x:(ANDI [c] y))
  4908  	// cond: c >= 0 && int64(int16(c)) == c
  4909  	// result: x
  4910  	for {
  4911  		x := v_0
  4912  		if x.Op != OpRISCV64ANDI {
  4913  			break
  4914  		}
  4915  		c := auxIntToInt64(x.AuxInt)
  4916  		if !(c >= 0 && int64(int16(c)) == c) {
  4917  			break
  4918  		}
  4919  		v.copyOf(x)
  4920  		return true
  4921  	}
  4922  	// match: (MOVHreg (MOVDconst [c]))
  4923  	// result: (MOVDconst [int64(int16(c))])
  4924  	for {
  4925  		if v_0.Op != OpRISCV64MOVDconst {
  4926  			break
  4927  		}
  4928  		c := auxIntToInt64(v_0.AuxInt)
  4929  		v.reset(OpRISCV64MOVDconst)
  4930  		v.AuxInt = int64ToAuxInt(int64(int16(c)))
  4931  		return true
  4932  	}
  4933  	// match: (MOVHreg x:(MOVBload _ _))
  4934  	// result: (MOVDreg x)
  4935  	for {
  4936  		x := v_0
  4937  		if x.Op != OpRISCV64MOVBload {
  4938  			break
  4939  		}
  4940  		v.reset(OpRISCV64MOVDreg)
  4941  		v.AddArg(x)
  4942  		return true
  4943  	}
  4944  	// match: (MOVHreg x:(MOVBUload _ _))
  4945  	// result: (MOVDreg x)
  4946  	for {
  4947  		x := v_0
  4948  		if x.Op != OpRISCV64MOVBUload {
  4949  			break
  4950  		}
  4951  		v.reset(OpRISCV64MOVDreg)
  4952  		v.AddArg(x)
  4953  		return true
  4954  	}
  4955  	// match: (MOVHreg x:(MOVHload _ _))
  4956  	// result: (MOVDreg x)
  4957  	for {
  4958  		x := v_0
  4959  		if x.Op != OpRISCV64MOVHload {
  4960  			break
  4961  		}
  4962  		v.reset(OpRISCV64MOVDreg)
  4963  		v.AddArg(x)
  4964  		return true
  4965  	}
  4966  	// match: (MOVHreg x:(MOVBreg _))
  4967  	// result: (MOVDreg x)
  4968  	for {
  4969  		x := v_0
  4970  		if x.Op != OpRISCV64MOVBreg {
  4971  			break
  4972  		}
  4973  		v.reset(OpRISCV64MOVDreg)
  4974  		v.AddArg(x)
  4975  		return true
  4976  	}
  4977  	// match: (MOVHreg x:(MOVBUreg _))
  4978  	// result: (MOVDreg x)
  4979  	for {
  4980  		x := v_0
  4981  		if x.Op != OpRISCV64MOVBUreg {
  4982  			break
  4983  		}
  4984  		v.reset(OpRISCV64MOVDreg)
  4985  		v.AddArg(x)
  4986  		return true
  4987  	}
  4988  	// match: (MOVHreg x:(MOVHreg _))
  4989  	// result: (MOVDreg x)
  4990  	for {
  4991  		x := v_0
  4992  		if x.Op != OpRISCV64MOVHreg {
  4993  			break
  4994  		}
  4995  		v.reset(OpRISCV64MOVDreg)
  4996  		v.AddArg(x)
  4997  		return true
  4998  	}
  4999  	// match: (MOVHreg <t> x:(MOVHUload [off] {sym} ptr mem))
  5000  	// cond: x.Uses == 1 && clobber(x)
  5001  	// result: @x.Block (MOVHload <t> [off] {sym} ptr mem)
  5002  	for {
  5003  		t := v.Type
  5004  		x := v_0
  5005  		if x.Op != OpRISCV64MOVHUload {
  5006  			break
  5007  		}
  5008  		off := auxIntToInt32(x.AuxInt)
  5009  		sym := auxToSym(x.Aux)
  5010  		mem := x.Args[1]
  5011  		ptr := x.Args[0]
  5012  		if !(x.Uses == 1 && clobber(x)) {
  5013  			break
  5014  		}
  5015  		b = x.Block
  5016  		v0 := b.NewValue0(x.Pos, OpRISCV64MOVHload, t)
  5017  		v.copyOf(v0)
  5018  		v0.AuxInt = int32ToAuxInt(off)
  5019  		v0.Aux = symToAux(sym)
  5020  		v0.AddArg2(ptr, mem)
  5021  		return true
  5022  	}
  5023  	return false
  5024  }
  5025  func rewriteValueRISCV64_OpRISCV64MOVHstore(v *Value) bool {
  5026  	v_2 := v.Args[2]
  5027  	v_1 := v.Args[1]
  5028  	v_0 := v.Args[0]
  5029  	// match: (MOVHstore [off1] {sym1} (MOVaddr [off2] {sym2} base) val mem)
  5030  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  5031  	// result: (MOVHstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  5032  	for {
  5033  		off1 := auxIntToInt32(v.AuxInt)
  5034  		sym1 := auxToSym(v.Aux)
  5035  		if v_0.Op != OpRISCV64MOVaddr {
  5036  			break
  5037  		}
  5038  		off2 := auxIntToInt32(v_0.AuxInt)
  5039  		sym2 := auxToSym(v_0.Aux)
  5040  		base := v_0.Args[0]
  5041  		val := v_1
  5042  		mem := v_2
  5043  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  5044  			break
  5045  		}
  5046  		v.reset(OpRISCV64MOVHstore)
  5047  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5048  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5049  		v.AddArg3(base, val, mem)
  5050  		return true
  5051  	}
  5052  	// match: (MOVHstore [off1] {sym} (ADDI [off2] base) val mem)
  5053  	// cond: is32Bit(int64(off1)+off2)
  5054  	// result: (MOVHstore [off1+int32(off2)] {sym} base val mem)
  5055  	for {
  5056  		off1 := auxIntToInt32(v.AuxInt)
  5057  		sym := auxToSym(v.Aux)
  5058  		if v_0.Op != OpRISCV64ADDI {
  5059  			break
  5060  		}
  5061  		off2 := auxIntToInt64(v_0.AuxInt)
  5062  		base := v_0.Args[0]
  5063  		val := v_1
  5064  		mem := v_2
  5065  		if !(is32Bit(int64(off1) + off2)) {
  5066  			break
  5067  		}
  5068  		v.reset(OpRISCV64MOVHstore)
  5069  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5070  		v.Aux = symToAux(sym)
  5071  		v.AddArg3(base, val, mem)
  5072  		return true
  5073  	}
  5074  	// match: (MOVHstore [off] {sym} ptr (MOVDconst [0]) mem)
  5075  	// result: (MOVHstorezero [off] {sym} ptr mem)
  5076  	for {
  5077  		off := auxIntToInt32(v.AuxInt)
  5078  		sym := auxToSym(v.Aux)
  5079  		ptr := v_0
  5080  		if v_1.Op != OpRISCV64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  5081  			break
  5082  		}
  5083  		mem := v_2
  5084  		v.reset(OpRISCV64MOVHstorezero)
  5085  		v.AuxInt = int32ToAuxInt(off)
  5086  		v.Aux = symToAux(sym)
  5087  		v.AddArg2(ptr, mem)
  5088  		return true
  5089  	}
  5090  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
  5091  	// result: (MOVHstore [off] {sym} ptr x mem)
  5092  	for {
  5093  		off := auxIntToInt32(v.AuxInt)
  5094  		sym := auxToSym(v.Aux)
  5095  		ptr := v_0
  5096  		if v_1.Op != OpRISCV64MOVHreg {
  5097  			break
  5098  		}
  5099  		x := v_1.Args[0]
  5100  		mem := v_2
  5101  		v.reset(OpRISCV64MOVHstore)
  5102  		v.AuxInt = int32ToAuxInt(off)
  5103  		v.Aux = symToAux(sym)
  5104  		v.AddArg3(ptr, x, mem)
  5105  		return true
  5106  	}
  5107  	// match: (MOVHstore [off] {sym} ptr (MOVWreg x) mem)
  5108  	// result: (MOVHstore [off] {sym} ptr x mem)
  5109  	for {
  5110  		off := auxIntToInt32(v.AuxInt)
  5111  		sym := auxToSym(v.Aux)
  5112  		ptr := v_0
  5113  		if v_1.Op != OpRISCV64MOVWreg {
  5114  			break
  5115  		}
  5116  		x := v_1.Args[0]
  5117  		mem := v_2
  5118  		v.reset(OpRISCV64MOVHstore)
  5119  		v.AuxInt = int32ToAuxInt(off)
  5120  		v.Aux = symToAux(sym)
  5121  		v.AddArg3(ptr, x, mem)
  5122  		return true
  5123  	}
  5124  	// match: (MOVHstore [off] {sym} ptr (MOVHUreg x) mem)
  5125  	// result: (MOVHstore [off] {sym} ptr x mem)
  5126  	for {
  5127  		off := auxIntToInt32(v.AuxInt)
  5128  		sym := auxToSym(v.Aux)
  5129  		ptr := v_0
  5130  		if v_1.Op != OpRISCV64MOVHUreg {
  5131  			break
  5132  		}
  5133  		x := v_1.Args[0]
  5134  		mem := v_2
  5135  		v.reset(OpRISCV64MOVHstore)
  5136  		v.AuxInt = int32ToAuxInt(off)
  5137  		v.Aux = symToAux(sym)
  5138  		v.AddArg3(ptr, x, mem)
  5139  		return true
  5140  	}
  5141  	// match: (MOVHstore [off] {sym} ptr (MOVWUreg x) mem)
  5142  	// result: (MOVHstore [off] {sym} ptr x mem)
  5143  	for {
  5144  		off := auxIntToInt32(v.AuxInt)
  5145  		sym := auxToSym(v.Aux)
  5146  		ptr := v_0
  5147  		if v_1.Op != OpRISCV64MOVWUreg {
  5148  			break
  5149  		}
  5150  		x := v_1.Args[0]
  5151  		mem := v_2
  5152  		v.reset(OpRISCV64MOVHstore)
  5153  		v.AuxInt = int32ToAuxInt(off)
  5154  		v.Aux = symToAux(sym)
  5155  		v.AddArg3(ptr, x, mem)
  5156  		return true
  5157  	}
  5158  	return false
  5159  }
  5160  func rewriteValueRISCV64_OpRISCV64MOVHstorezero(v *Value) bool {
  5161  	v_1 := v.Args[1]
  5162  	v_0 := v.Args[0]
  5163  	// match: (MOVHstorezero [off1] {sym1} (MOVaddr [off2] {sym2} ptr) mem)
  5164  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2))
  5165  	// result: (MOVHstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  5166  	for {
  5167  		off1 := auxIntToInt32(v.AuxInt)
  5168  		sym1 := auxToSym(v.Aux)
  5169  		if v_0.Op != OpRISCV64MOVaddr {
  5170  			break
  5171  		}
  5172  		off2 := auxIntToInt32(v_0.AuxInt)
  5173  		sym2 := auxToSym(v_0.Aux)
  5174  		ptr := v_0.Args[0]
  5175  		mem := v_1
  5176  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2))) {
  5177  			break
  5178  		}
  5179  		v.reset(OpRISCV64MOVHstorezero)
  5180  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5181  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5182  		v.AddArg2(ptr, mem)
  5183  		return true
  5184  	}
  5185  	// match: (MOVHstorezero [off1] {sym} (ADDI [off2] ptr) mem)
  5186  	// cond: is32Bit(int64(off1)+off2)
  5187  	// result: (MOVHstorezero [off1+int32(off2)] {sym} ptr mem)
  5188  	for {
  5189  		off1 := auxIntToInt32(v.AuxInt)
  5190  		sym := auxToSym(v.Aux)
  5191  		if v_0.Op != OpRISCV64ADDI {
  5192  			break
  5193  		}
  5194  		off2 := auxIntToInt64(v_0.AuxInt)
  5195  		ptr := v_0.Args[0]
  5196  		mem := v_1
  5197  		if !(is32Bit(int64(off1) + off2)) {
  5198  			break
  5199  		}
  5200  		v.reset(OpRISCV64MOVHstorezero)
  5201  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5202  		v.Aux = symToAux(sym)
  5203  		v.AddArg2(ptr, mem)
  5204  		return true
  5205  	}
  5206  	return false
  5207  }
  5208  func rewriteValueRISCV64_OpRISCV64MOVWUload(v *Value) bool {
  5209  	v_1 := v.Args[1]
  5210  	v_0 := v.Args[0]
  5211  	// match: (MOVWUload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  5212  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  5213  	// result: (MOVWUload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  5214  	for {
  5215  		off1 := auxIntToInt32(v.AuxInt)
  5216  		sym1 := auxToSym(v.Aux)
  5217  		if v_0.Op != OpRISCV64MOVaddr {
  5218  			break
  5219  		}
  5220  		off2 := auxIntToInt32(v_0.AuxInt)
  5221  		sym2 := auxToSym(v_0.Aux)
  5222  		base := v_0.Args[0]
  5223  		mem := v_1
  5224  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  5225  			break
  5226  		}
  5227  		v.reset(OpRISCV64MOVWUload)
  5228  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5229  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5230  		v.AddArg2(base, mem)
  5231  		return true
  5232  	}
  5233  	// match: (MOVWUload [off1] {sym} (ADDI [off2] base) mem)
  5234  	// cond: is32Bit(int64(off1)+off2)
  5235  	// result: (MOVWUload [off1+int32(off2)] {sym} base mem)
  5236  	for {
  5237  		off1 := auxIntToInt32(v.AuxInt)
  5238  		sym := auxToSym(v.Aux)
  5239  		if v_0.Op != OpRISCV64ADDI {
  5240  			break
  5241  		}
  5242  		off2 := auxIntToInt64(v_0.AuxInt)
  5243  		base := v_0.Args[0]
  5244  		mem := v_1
  5245  		if !(is32Bit(int64(off1) + off2)) {
  5246  			break
  5247  		}
  5248  		v.reset(OpRISCV64MOVWUload)
  5249  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5250  		v.Aux = symToAux(sym)
  5251  		v.AddArg2(base, mem)
  5252  		return true
  5253  	}
  5254  	return false
  5255  }
  5256  func rewriteValueRISCV64_OpRISCV64MOVWUreg(v *Value) bool {
  5257  	v_0 := v.Args[0]
  5258  	b := v.Block
  5259  	typ := &b.Func.Config.Types
  5260  	// match: (MOVWUreg x:(ANDI [c] y))
  5261  	// cond: c >= 0 && int64(uint32(c)) == c
  5262  	// result: x
  5263  	for {
  5264  		x := v_0
  5265  		if x.Op != OpRISCV64ANDI {
  5266  			break
  5267  		}
  5268  		c := auxIntToInt64(x.AuxInt)
  5269  		if !(c >= 0 && int64(uint32(c)) == c) {
  5270  			break
  5271  		}
  5272  		v.copyOf(x)
  5273  		return true
  5274  	}
  5275  	// match: (MOVWUreg (ANDI [c] x))
  5276  	// cond: c < 0
  5277  	// result: (AND (MOVDconst [int64(uint32(c))]) x)
  5278  	for {
  5279  		if v_0.Op != OpRISCV64ANDI {
  5280  			break
  5281  		}
  5282  		c := auxIntToInt64(v_0.AuxInt)
  5283  		x := v_0.Args[0]
  5284  		if !(c < 0) {
  5285  			break
  5286  		}
  5287  		v.reset(OpRISCV64AND)
  5288  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  5289  		v0.AuxInt = int64ToAuxInt(int64(uint32(c)))
  5290  		v.AddArg2(v0, x)
  5291  		return true
  5292  	}
  5293  	// match: (MOVWUreg (MOVDconst [c]))
  5294  	// result: (MOVDconst [int64(uint32(c))])
  5295  	for {
  5296  		if v_0.Op != OpRISCV64MOVDconst {
  5297  			break
  5298  		}
  5299  		c := auxIntToInt64(v_0.AuxInt)
  5300  		v.reset(OpRISCV64MOVDconst)
  5301  		v.AuxInt = int64ToAuxInt(int64(uint32(c)))
  5302  		return true
  5303  	}
  5304  	// match: (MOVWUreg x:(MOVBUload _ _))
  5305  	// result: (MOVDreg x)
  5306  	for {
  5307  		x := v_0
  5308  		if x.Op != OpRISCV64MOVBUload {
  5309  			break
  5310  		}
  5311  		v.reset(OpRISCV64MOVDreg)
  5312  		v.AddArg(x)
  5313  		return true
  5314  	}
  5315  	// match: (MOVWUreg x:(MOVHUload _ _))
  5316  	// result: (MOVDreg x)
  5317  	for {
  5318  		x := v_0
  5319  		if x.Op != OpRISCV64MOVHUload {
  5320  			break
  5321  		}
  5322  		v.reset(OpRISCV64MOVDreg)
  5323  		v.AddArg(x)
  5324  		return true
  5325  	}
  5326  	// match: (MOVWUreg x:(MOVWUload _ _))
  5327  	// result: (MOVDreg x)
  5328  	for {
  5329  		x := v_0
  5330  		if x.Op != OpRISCV64MOVWUload {
  5331  			break
  5332  		}
  5333  		v.reset(OpRISCV64MOVDreg)
  5334  		v.AddArg(x)
  5335  		return true
  5336  	}
  5337  	// match: (MOVWUreg x:(MOVBUreg _))
  5338  	// result: (MOVDreg x)
  5339  	for {
  5340  		x := v_0
  5341  		if x.Op != OpRISCV64MOVBUreg {
  5342  			break
  5343  		}
  5344  		v.reset(OpRISCV64MOVDreg)
  5345  		v.AddArg(x)
  5346  		return true
  5347  	}
  5348  	// match: (MOVWUreg x:(MOVHUreg _))
  5349  	// result: (MOVDreg x)
  5350  	for {
  5351  		x := v_0
  5352  		if x.Op != OpRISCV64MOVHUreg {
  5353  			break
  5354  		}
  5355  		v.reset(OpRISCV64MOVDreg)
  5356  		v.AddArg(x)
  5357  		return true
  5358  	}
  5359  	// match: (MOVWUreg x:(MOVWUreg _))
  5360  	// result: (MOVDreg x)
  5361  	for {
  5362  		x := v_0
  5363  		if x.Op != OpRISCV64MOVWUreg {
  5364  			break
  5365  		}
  5366  		v.reset(OpRISCV64MOVDreg)
  5367  		v.AddArg(x)
  5368  		return true
  5369  	}
  5370  	// match: (MOVWUreg <t> x:(MOVWload [off] {sym} ptr mem))
  5371  	// cond: x.Uses == 1 && clobber(x)
  5372  	// result: @x.Block (MOVWUload <t> [off] {sym} ptr mem)
  5373  	for {
  5374  		t := v.Type
  5375  		x := v_0
  5376  		if x.Op != OpRISCV64MOVWload {
  5377  			break
  5378  		}
  5379  		off := auxIntToInt32(x.AuxInt)
  5380  		sym := auxToSym(x.Aux)
  5381  		mem := x.Args[1]
  5382  		ptr := x.Args[0]
  5383  		if !(x.Uses == 1 && clobber(x)) {
  5384  			break
  5385  		}
  5386  		b = x.Block
  5387  		v0 := b.NewValue0(x.Pos, OpRISCV64MOVWUload, t)
  5388  		v.copyOf(v0)
  5389  		v0.AuxInt = int32ToAuxInt(off)
  5390  		v0.Aux = symToAux(sym)
  5391  		v0.AddArg2(ptr, mem)
  5392  		return true
  5393  	}
  5394  	return false
  5395  }
  5396  func rewriteValueRISCV64_OpRISCV64MOVWload(v *Value) bool {
  5397  	v_1 := v.Args[1]
  5398  	v_0 := v.Args[0]
  5399  	// match: (MOVWload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  5400  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  5401  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  5402  	for {
  5403  		off1 := auxIntToInt32(v.AuxInt)
  5404  		sym1 := auxToSym(v.Aux)
  5405  		if v_0.Op != OpRISCV64MOVaddr {
  5406  			break
  5407  		}
  5408  		off2 := auxIntToInt32(v_0.AuxInt)
  5409  		sym2 := auxToSym(v_0.Aux)
  5410  		base := v_0.Args[0]
  5411  		mem := v_1
  5412  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  5413  			break
  5414  		}
  5415  		v.reset(OpRISCV64MOVWload)
  5416  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5417  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5418  		v.AddArg2(base, mem)
  5419  		return true
  5420  	}
  5421  	// match: (MOVWload [off1] {sym} (ADDI [off2] base) mem)
  5422  	// cond: is32Bit(int64(off1)+off2)
  5423  	// result: (MOVWload [off1+int32(off2)] {sym} base mem)
  5424  	for {
  5425  		off1 := auxIntToInt32(v.AuxInt)
  5426  		sym := auxToSym(v.Aux)
  5427  		if v_0.Op != OpRISCV64ADDI {
  5428  			break
  5429  		}
  5430  		off2 := auxIntToInt64(v_0.AuxInt)
  5431  		base := v_0.Args[0]
  5432  		mem := v_1
  5433  		if !(is32Bit(int64(off1) + off2)) {
  5434  			break
  5435  		}
  5436  		v.reset(OpRISCV64MOVWload)
  5437  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5438  		v.Aux = symToAux(sym)
  5439  		v.AddArg2(base, mem)
  5440  		return true
  5441  	}
  5442  	return false
  5443  }
  5444  func rewriteValueRISCV64_OpRISCV64MOVWreg(v *Value) bool {
  5445  	v_0 := v.Args[0]
  5446  	b := v.Block
  5447  	// match: (MOVWreg x:(ANDI [c] y))
  5448  	// cond: c >= 0 && int64(int32(c)) == c
  5449  	// result: x
  5450  	for {
  5451  		x := v_0
  5452  		if x.Op != OpRISCV64ANDI {
  5453  			break
  5454  		}
  5455  		c := auxIntToInt64(x.AuxInt)
  5456  		if !(c >= 0 && int64(int32(c)) == c) {
  5457  			break
  5458  		}
  5459  		v.copyOf(x)
  5460  		return true
  5461  	}
  5462  	// match: (MOVWreg (MOVDconst [c]))
  5463  	// result: (MOVDconst [int64(int32(c))])
  5464  	for {
  5465  		if v_0.Op != OpRISCV64MOVDconst {
  5466  			break
  5467  		}
  5468  		c := auxIntToInt64(v_0.AuxInt)
  5469  		v.reset(OpRISCV64MOVDconst)
  5470  		v.AuxInt = int64ToAuxInt(int64(int32(c)))
  5471  		return true
  5472  	}
  5473  	// match: (MOVWreg x:(MOVBload _ _))
  5474  	// result: (MOVDreg x)
  5475  	for {
  5476  		x := v_0
  5477  		if x.Op != OpRISCV64MOVBload {
  5478  			break
  5479  		}
  5480  		v.reset(OpRISCV64MOVDreg)
  5481  		v.AddArg(x)
  5482  		return true
  5483  	}
  5484  	// match: (MOVWreg x:(MOVBUload _ _))
  5485  	// result: (MOVDreg x)
  5486  	for {
  5487  		x := v_0
  5488  		if x.Op != OpRISCV64MOVBUload {
  5489  			break
  5490  		}
  5491  		v.reset(OpRISCV64MOVDreg)
  5492  		v.AddArg(x)
  5493  		return true
  5494  	}
  5495  	// match: (MOVWreg x:(MOVHload _ _))
  5496  	// result: (MOVDreg x)
  5497  	for {
  5498  		x := v_0
  5499  		if x.Op != OpRISCV64MOVHload {
  5500  			break
  5501  		}
  5502  		v.reset(OpRISCV64MOVDreg)
  5503  		v.AddArg(x)
  5504  		return true
  5505  	}
  5506  	// match: (MOVWreg x:(MOVHUload _ _))
  5507  	// result: (MOVDreg x)
  5508  	for {
  5509  		x := v_0
  5510  		if x.Op != OpRISCV64MOVHUload {
  5511  			break
  5512  		}
  5513  		v.reset(OpRISCV64MOVDreg)
  5514  		v.AddArg(x)
  5515  		return true
  5516  	}
  5517  	// match: (MOVWreg x:(MOVWload _ _))
  5518  	// result: (MOVDreg x)
  5519  	for {
  5520  		x := v_0
  5521  		if x.Op != OpRISCV64MOVWload {
  5522  			break
  5523  		}
  5524  		v.reset(OpRISCV64MOVDreg)
  5525  		v.AddArg(x)
  5526  		return true
  5527  	}
  5528  	// match: (MOVWreg x:(ADDIW _))
  5529  	// result: (MOVDreg x)
  5530  	for {
  5531  		x := v_0
  5532  		if x.Op != OpRISCV64ADDIW {
  5533  			break
  5534  		}
  5535  		v.reset(OpRISCV64MOVDreg)
  5536  		v.AddArg(x)
  5537  		return true
  5538  	}
  5539  	// match: (MOVWreg x:(SUBW _ _))
  5540  	// result: (MOVDreg x)
  5541  	for {
  5542  		x := v_0
  5543  		if x.Op != OpRISCV64SUBW {
  5544  			break
  5545  		}
  5546  		v.reset(OpRISCV64MOVDreg)
  5547  		v.AddArg(x)
  5548  		return true
  5549  	}
  5550  	// match: (MOVWreg x:(NEGW _))
  5551  	// result: (MOVDreg x)
  5552  	for {
  5553  		x := v_0
  5554  		if x.Op != OpRISCV64NEGW {
  5555  			break
  5556  		}
  5557  		v.reset(OpRISCV64MOVDreg)
  5558  		v.AddArg(x)
  5559  		return true
  5560  	}
  5561  	// match: (MOVWreg x:(MULW _ _))
  5562  	// result: (MOVDreg x)
  5563  	for {
  5564  		x := v_0
  5565  		if x.Op != OpRISCV64MULW {
  5566  			break
  5567  		}
  5568  		v.reset(OpRISCV64MOVDreg)
  5569  		v.AddArg(x)
  5570  		return true
  5571  	}
  5572  	// match: (MOVWreg x:(DIVW _ _))
  5573  	// result: (MOVDreg x)
  5574  	for {
  5575  		x := v_0
  5576  		if x.Op != OpRISCV64DIVW {
  5577  			break
  5578  		}
  5579  		v.reset(OpRISCV64MOVDreg)
  5580  		v.AddArg(x)
  5581  		return true
  5582  	}
  5583  	// match: (MOVWreg x:(DIVUW _ _))
  5584  	// result: (MOVDreg x)
  5585  	for {
  5586  		x := v_0
  5587  		if x.Op != OpRISCV64DIVUW {
  5588  			break
  5589  		}
  5590  		v.reset(OpRISCV64MOVDreg)
  5591  		v.AddArg(x)
  5592  		return true
  5593  	}
  5594  	// match: (MOVWreg x:(REMW _ _))
  5595  	// result: (MOVDreg x)
  5596  	for {
  5597  		x := v_0
  5598  		if x.Op != OpRISCV64REMW {
  5599  			break
  5600  		}
  5601  		v.reset(OpRISCV64MOVDreg)
  5602  		v.AddArg(x)
  5603  		return true
  5604  	}
  5605  	// match: (MOVWreg x:(REMUW _ _))
  5606  	// result: (MOVDreg x)
  5607  	for {
  5608  		x := v_0
  5609  		if x.Op != OpRISCV64REMUW {
  5610  			break
  5611  		}
  5612  		v.reset(OpRISCV64MOVDreg)
  5613  		v.AddArg(x)
  5614  		return true
  5615  	}
  5616  	// match: (MOVWreg x:(MOVBreg _))
  5617  	// result: (MOVDreg x)
  5618  	for {
  5619  		x := v_0
  5620  		if x.Op != OpRISCV64MOVBreg {
  5621  			break
  5622  		}
  5623  		v.reset(OpRISCV64MOVDreg)
  5624  		v.AddArg(x)
  5625  		return true
  5626  	}
  5627  	// match: (MOVWreg x:(MOVBUreg _))
  5628  	// result: (MOVDreg x)
  5629  	for {
  5630  		x := v_0
  5631  		if x.Op != OpRISCV64MOVBUreg {
  5632  			break
  5633  		}
  5634  		v.reset(OpRISCV64MOVDreg)
  5635  		v.AddArg(x)
  5636  		return true
  5637  	}
  5638  	// match: (MOVWreg x:(MOVHreg _))
  5639  	// result: (MOVDreg x)
  5640  	for {
  5641  		x := v_0
  5642  		if x.Op != OpRISCV64MOVHreg {
  5643  			break
  5644  		}
  5645  		v.reset(OpRISCV64MOVDreg)
  5646  		v.AddArg(x)
  5647  		return true
  5648  	}
  5649  	// match: (MOVWreg x:(MOVWreg _))
  5650  	// result: (MOVDreg x)
  5651  	for {
  5652  		x := v_0
  5653  		if x.Op != OpRISCV64MOVWreg {
  5654  			break
  5655  		}
  5656  		v.reset(OpRISCV64MOVDreg)
  5657  		v.AddArg(x)
  5658  		return true
  5659  	}
  5660  	// match: (MOVWreg <t> x:(MOVWUload [off] {sym} ptr mem))
  5661  	// cond: x.Uses == 1 && clobber(x)
  5662  	// result: @x.Block (MOVWload <t> [off] {sym} ptr mem)
  5663  	for {
  5664  		t := v.Type
  5665  		x := v_0
  5666  		if x.Op != OpRISCV64MOVWUload {
  5667  			break
  5668  		}
  5669  		off := auxIntToInt32(x.AuxInt)
  5670  		sym := auxToSym(x.Aux)
  5671  		mem := x.Args[1]
  5672  		ptr := x.Args[0]
  5673  		if !(x.Uses == 1 && clobber(x)) {
  5674  			break
  5675  		}
  5676  		b = x.Block
  5677  		v0 := b.NewValue0(x.Pos, OpRISCV64MOVWload, t)
  5678  		v.copyOf(v0)
  5679  		v0.AuxInt = int32ToAuxInt(off)
  5680  		v0.Aux = symToAux(sym)
  5681  		v0.AddArg2(ptr, mem)
  5682  		return true
  5683  	}
  5684  	return false
  5685  }
  5686  func rewriteValueRISCV64_OpRISCV64MOVWstore(v *Value) bool {
  5687  	v_2 := v.Args[2]
  5688  	v_1 := v.Args[1]
  5689  	v_0 := v.Args[0]
  5690  	// match: (MOVWstore [off1] {sym1} (MOVaddr [off2] {sym2} base) val mem)
  5691  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  5692  	// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  5693  	for {
  5694  		off1 := auxIntToInt32(v.AuxInt)
  5695  		sym1 := auxToSym(v.Aux)
  5696  		if v_0.Op != OpRISCV64MOVaddr {
  5697  			break
  5698  		}
  5699  		off2 := auxIntToInt32(v_0.AuxInt)
  5700  		sym2 := auxToSym(v_0.Aux)
  5701  		base := v_0.Args[0]
  5702  		val := v_1
  5703  		mem := v_2
  5704  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  5705  			break
  5706  		}
  5707  		v.reset(OpRISCV64MOVWstore)
  5708  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5709  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5710  		v.AddArg3(base, val, mem)
  5711  		return true
  5712  	}
  5713  	// match: (MOVWstore [off1] {sym} (ADDI [off2] base) val mem)
  5714  	// cond: is32Bit(int64(off1)+off2)
  5715  	// result: (MOVWstore [off1+int32(off2)] {sym} base val mem)
  5716  	for {
  5717  		off1 := auxIntToInt32(v.AuxInt)
  5718  		sym := auxToSym(v.Aux)
  5719  		if v_0.Op != OpRISCV64ADDI {
  5720  			break
  5721  		}
  5722  		off2 := auxIntToInt64(v_0.AuxInt)
  5723  		base := v_0.Args[0]
  5724  		val := v_1
  5725  		mem := v_2
  5726  		if !(is32Bit(int64(off1) + off2)) {
  5727  			break
  5728  		}
  5729  		v.reset(OpRISCV64MOVWstore)
  5730  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5731  		v.Aux = symToAux(sym)
  5732  		v.AddArg3(base, val, mem)
  5733  		return true
  5734  	}
  5735  	// match: (MOVWstore [off] {sym} ptr (MOVDconst [0]) mem)
  5736  	// result: (MOVWstorezero [off] {sym} ptr mem)
  5737  	for {
  5738  		off := auxIntToInt32(v.AuxInt)
  5739  		sym := auxToSym(v.Aux)
  5740  		ptr := v_0
  5741  		if v_1.Op != OpRISCV64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  5742  			break
  5743  		}
  5744  		mem := v_2
  5745  		v.reset(OpRISCV64MOVWstorezero)
  5746  		v.AuxInt = int32ToAuxInt(off)
  5747  		v.Aux = symToAux(sym)
  5748  		v.AddArg2(ptr, mem)
  5749  		return true
  5750  	}
  5751  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
  5752  	// result: (MOVWstore [off] {sym} ptr x mem)
  5753  	for {
  5754  		off := auxIntToInt32(v.AuxInt)
  5755  		sym := auxToSym(v.Aux)
  5756  		ptr := v_0
  5757  		if v_1.Op != OpRISCV64MOVWreg {
  5758  			break
  5759  		}
  5760  		x := v_1.Args[0]
  5761  		mem := v_2
  5762  		v.reset(OpRISCV64MOVWstore)
  5763  		v.AuxInt = int32ToAuxInt(off)
  5764  		v.Aux = symToAux(sym)
  5765  		v.AddArg3(ptr, x, mem)
  5766  		return true
  5767  	}
  5768  	// match: (MOVWstore [off] {sym} ptr (MOVWUreg x) mem)
  5769  	// result: (MOVWstore [off] {sym} ptr x mem)
  5770  	for {
  5771  		off := auxIntToInt32(v.AuxInt)
  5772  		sym := auxToSym(v.Aux)
  5773  		ptr := v_0
  5774  		if v_1.Op != OpRISCV64MOVWUreg {
  5775  			break
  5776  		}
  5777  		x := v_1.Args[0]
  5778  		mem := v_2
  5779  		v.reset(OpRISCV64MOVWstore)
  5780  		v.AuxInt = int32ToAuxInt(off)
  5781  		v.Aux = symToAux(sym)
  5782  		v.AddArg3(ptr, x, mem)
  5783  		return true
  5784  	}
  5785  	return false
  5786  }
  5787  func rewriteValueRISCV64_OpRISCV64MOVWstorezero(v *Value) bool {
  5788  	v_1 := v.Args[1]
  5789  	v_0 := v.Args[0]
  5790  	// match: (MOVWstorezero [off1] {sym1} (MOVaddr [off2] {sym2} ptr) mem)
  5791  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2))
  5792  	// result: (MOVWstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  5793  	for {
  5794  		off1 := auxIntToInt32(v.AuxInt)
  5795  		sym1 := auxToSym(v.Aux)
  5796  		if v_0.Op != OpRISCV64MOVaddr {
  5797  			break
  5798  		}
  5799  		off2 := auxIntToInt32(v_0.AuxInt)
  5800  		sym2 := auxToSym(v_0.Aux)
  5801  		ptr := v_0.Args[0]
  5802  		mem := v_1
  5803  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2))) {
  5804  			break
  5805  		}
  5806  		v.reset(OpRISCV64MOVWstorezero)
  5807  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5808  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5809  		v.AddArg2(ptr, mem)
  5810  		return true
  5811  	}
  5812  	// match: (MOVWstorezero [off1] {sym} (ADDI [off2] ptr) mem)
  5813  	// cond: is32Bit(int64(off1)+off2)
  5814  	// result: (MOVWstorezero [off1+int32(off2)] {sym} ptr mem)
  5815  	for {
  5816  		off1 := auxIntToInt32(v.AuxInt)
  5817  		sym := auxToSym(v.Aux)
  5818  		if v_0.Op != OpRISCV64ADDI {
  5819  			break
  5820  		}
  5821  		off2 := auxIntToInt64(v_0.AuxInt)
  5822  		ptr := v_0.Args[0]
  5823  		mem := v_1
  5824  		if !(is32Bit(int64(off1) + off2)) {
  5825  			break
  5826  		}
  5827  		v.reset(OpRISCV64MOVWstorezero)
  5828  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5829  		v.Aux = symToAux(sym)
  5830  		v.AddArg2(ptr, mem)
  5831  		return true
  5832  	}
  5833  	return false
  5834  }
  5835  func rewriteValueRISCV64_OpRISCV64NEG(v *Value) bool {
  5836  	v_0 := v.Args[0]
  5837  	b := v.Block
  5838  	// match: (NEG (SUB x y))
  5839  	// result: (SUB y x)
  5840  	for {
  5841  		if v_0.Op != OpRISCV64SUB {
  5842  			break
  5843  		}
  5844  		y := v_0.Args[1]
  5845  		x := v_0.Args[0]
  5846  		v.reset(OpRISCV64SUB)
  5847  		v.AddArg2(y, x)
  5848  		return true
  5849  	}
  5850  	// match: (NEG <t> s:(ADDI [val] (SUB x y)))
  5851  	// cond: s.Uses == 1 && is32Bit(-val)
  5852  	// result: (ADDI [-val] (SUB <t> y x))
  5853  	for {
  5854  		t := v.Type
  5855  		s := v_0
  5856  		if s.Op != OpRISCV64ADDI {
  5857  			break
  5858  		}
  5859  		val := auxIntToInt64(s.AuxInt)
  5860  		s_0 := s.Args[0]
  5861  		if s_0.Op != OpRISCV64SUB {
  5862  			break
  5863  		}
  5864  		y := s_0.Args[1]
  5865  		x := s_0.Args[0]
  5866  		if !(s.Uses == 1 && is32Bit(-val)) {
  5867  			break
  5868  		}
  5869  		v.reset(OpRISCV64ADDI)
  5870  		v.AuxInt = int64ToAuxInt(-val)
  5871  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, t)
  5872  		v0.AddArg2(y, x)
  5873  		v.AddArg(v0)
  5874  		return true
  5875  	}
  5876  	// match: (NEG (NEG x))
  5877  	// result: x
  5878  	for {
  5879  		if v_0.Op != OpRISCV64NEG {
  5880  			break
  5881  		}
  5882  		x := v_0.Args[0]
  5883  		v.copyOf(x)
  5884  		return true
  5885  	}
  5886  	// match: (NEG (MOVDconst [x]))
  5887  	// result: (MOVDconst [-x])
  5888  	for {
  5889  		if v_0.Op != OpRISCV64MOVDconst {
  5890  			break
  5891  		}
  5892  		x := auxIntToInt64(v_0.AuxInt)
  5893  		v.reset(OpRISCV64MOVDconst)
  5894  		v.AuxInt = int64ToAuxInt(-x)
  5895  		return true
  5896  	}
  5897  	return false
  5898  }
  5899  func rewriteValueRISCV64_OpRISCV64NEGW(v *Value) bool {
  5900  	v_0 := v.Args[0]
  5901  	// match: (NEGW (MOVDconst [x]))
  5902  	// result: (MOVDconst [int64(int32(-x))])
  5903  	for {
  5904  		if v_0.Op != OpRISCV64MOVDconst {
  5905  			break
  5906  		}
  5907  		x := auxIntToInt64(v_0.AuxInt)
  5908  		v.reset(OpRISCV64MOVDconst)
  5909  		v.AuxInt = int64ToAuxInt(int64(int32(-x)))
  5910  		return true
  5911  	}
  5912  	return false
  5913  }
  5914  func rewriteValueRISCV64_OpRISCV64OR(v *Value) bool {
  5915  	v_1 := v.Args[1]
  5916  	v_0 := v.Args[0]
  5917  	// match: (OR (MOVDconst [val]) x)
  5918  	// cond: is32Bit(val)
  5919  	// result: (ORI [val] x)
  5920  	for {
  5921  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5922  			if v_0.Op != OpRISCV64MOVDconst {
  5923  				continue
  5924  			}
  5925  			val := auxIntToInt64(v_0.AuxInt)
  5926  			x := v_1
  5927  			if !(is32Bit(val)) {
  5928  				continue
  5929  			}
  5930  			v.reset(OpRISCV64ORI)
  5931  			v.AuxInt = int64ToAuxInt(val)
  5932  			v.AddArg(x)
  5933  			return true
  5934  		}
  5935  		break
  5936  	}
  5937  	return false
  5938  }
  5939  func rewriteValueRISCV64_OpRISCV64ORI(v *Value) bool {
  5940  	v_0 := v.Args[0]
  5941  	// match: (ORI [0] x)
  5942  	// result: x
  5943  	for {
  5944  		if auxIntToInt64(v.AuxInt) != 0 {
  5945  			break
  5946  		}
  5947  		x := v_0
  5948  		v.copyOf(x)
  5949  		return true
  5950  	}
  5951  	// match: (ORI [-1] x)
  5952  	// result: (MOVDconst [-1])
  5953  	for {
  5954  		if auxIntToInt64(v.AuxInt) != -1 {
  5955  			break
  5956  		}
  5957  		v.reset(OpRISCV64MOVDconst)
  5958  		v.AuxInt = int64ToAuxInt(-1)
  5959  		return true
  5960  	}
  5961  	// match: (ORI [x] (MOVDconst [y]))
  5962  	// result: (MOVDconst [x | y])
  5963  	for {
  5964  		x := auxIntToInt64(v.AuxInt)
  5965  		if v_0.Op != OpRISCV64MOVDconst {
  5966  			break
  5967  		}
  5968  		y := auxIntToInt64(v_0.AuxInt)
  5969  		v.reset(OpRISCV64MOVDconst)
  5970  		v.AuxInt = int64ToAuxInt(x | y)
  5971  		return true
  5972  	}
  5973  	// match: (ORI [x] (ORI [y] z))
  5974  	// result: (ORI [x | y] z)
  5975  	for {
  5976  		x := auxIntToInt64(v.AuxInt)
  5977  		if v_0.Op != OpRISCV64ORI {
  5978  			break
  5979  		}
  5980  		y := auxIntToInt64(v_0.AuxInt)
  5981  		z := v_0.Args[0]
  5982  		v.reset(OpRISCV64ORI)
  5983  		v.AuxInt = int64ToAuxInt(x | y)
  5984  		v.AddArg(z)
  5985  		return true
  5986  	}
  5987  	return false
  5988  }
  5989  func rewriteValueRISCV64_OpRISCV64SEQZ(v *Value) bool {
  5990  	v_0 := v.Args[0]
  5991  	// match: (SEQZ (NEG x))
  5992  	// result: (SEQZ x)
  5993  	for {
  5994  		if v_0.Op != OpRISCV64NEG {
  5995  			break
  5996  		}
  5997  		x := v_0.Args[0]
  5998  		v.reset(OpRISCV64SEQZ)
  5999  		v.AddArg(x)
  6000  		return true
  6001  	}
  6002  	// match: (SEQZ (SEQZ x))
  6003  	// result: (SNEZ x)
  6004  	for {
  6005  		if v_0.Op != OpRISCV64SEQZ {
  6006  			break
  6007  		}
  6008  		x := v_0.Args[0]
  6009  		v.reset(OpRISCV64SNEZ)
  6010  		v.AddArg(x)
  6011  		return true
  6012  	}
  6013  	// match: (SEQZ (SNEZ x))
  6014  	// result: (SEQZ x)
  6015  	for {
  6016  		if v_0.Op != OpRISCV64SNEZ {
  6017  			break
  6018  		}
  6019  		x := v_0.Args[0]
  6020  		v.reset(OpRISCV64SEQZ)
  6021  		v.AddArg(x)
  6022  		return true
  6023  	}
  6024  	return false
  6025  }
  6026  func rewriteValueRISCV64_OpRISCV64SLL(v *Value) bool {
  6027  	v_1 := v.Args[1]
  6028  	v_0 := v.Args[0]
  6029  	// match: (SLL x (MOVDconst [val]))
  6030  	// result: (SLLI [int64(val&63)] x)
  6031  	for {
  6032  		x := v_0
  6033  		if v_1.Op != OpRISCV64MOVDconst {
  6034  			break
  6035  		}
  6036  		val := auxIntToInt64(v_1.AuxInt)
  6037  		v.reset(OpRISCV64SLLI)
  6038  		v.AuxInt = int64ToAuxInt(int64(val & 63))
  6039  		v.AddArg(x)
  6040  		return true
  6041  	}
  6042  	return false
  6043  }
  6044  func rewriteValueRISCV64_OpRISCV64SLLI(v *Value) bool {
  6045  	v_0 := v.Args[0]
  6046  	// match: (SLLI [x] (MOVDconst [y]))
  6047  	// cond: is32Bit(y << uint32(x))
  6048  	// result: (MOVDconst [y << uint32(x)])
  6049  	for {
  6050  		x := auxIntToInt64(v.AuxInt)
  6051  		if v_0.Op != OpRISCV64MOVDconst {
  6052  			break
  6053  		}
  6054  		y := auxIntToInt64(v_0.AuxInt)
  6055  		if !(is32Bit(y << uint32(x))) {
  6056  			break
  6057  		}
  6058  		v.reset(OpRISCV64MOVDconst)
  6059  		v.AuxInt = int64ToAuxInt(y << uint32(x))
  6060  		return true
  6061  	}
  6062  	return false
  6063  }
  6064  func rewriteValueRISCV64_OpRISCV64SLT(v *Value) bool {
  6065  	v_1 := v.Args[1]
  6066  	v_0 := v.Args[0]
  6067  	// match: (SLT x (MOVDconst [val]))
  6068  	// cond: val >= -2048 && val <= 2047
  6069  	// result: (SLTI [val] x)
  6070  	for {
  6071  		x := v_0
  6072  		if v_1.Op != OpRISCV64MOVDconst {
  6073  			break
  6074  		}
  6075  		val := auxIntToInt64(v_1.AuxInt)
  6076  		if !(val >= -2048 && val <= 2047) {
  6077  			break
  6078  		}
  6079  		v.reset(OpRISCV64SLTI)
  6080  		v.AuxInt = int64ToAuxInt(val)
  6081  		v.AddArg(x)
  6082  		return true
  6083  	}
  6084  	// match: (SLT x x)
  6085  	// result: (MOVDconst [0])
  6086  	for {
  6087  		x := v_0
  6088  		if x != v_1 {
  6089  			break
  6090  		}
  6091  		v.reset(OpRISCV64MOVDconst)
  6092  		v.AuxInt = int64ToAuxInt(0)
  6093  		return true
  6094  	}
  6095  	return false
  6096  }
  6097  func rewriteValueRISCV64_OpRISCV64SLTI(v *Value) bool {
  6098  	v_0 := v.Args[0]
  6099  	// match: (SLTI [x] (MOVDconst [y]))
  6100  	// result: (MOVDconst [b2i(int64(y) < int64(x))])
  6101  	for {
  6102  		x := auxIntToInt64(v.AuxInt)
  6103  		if v_0.Op != OpRISCV64MOVDconst {
  6104  			break
  6105  		}
  6106  		y := auxIntToInt64(v_0.AuxInt)
  6107  		v.reset(OpRISCV64MOVDconst)
  6108  		v.AuxInt = int64ToAuxInt(b2i(int64(y) < int64(x)))
  6109  		return true
  6110  	}
  6111  	// match: (SLTI [x] (ANDI [y] _))
  6112  	// cond: y >= 0 && int64(y) < int64(x)
  6113  	// result: (MOVDconst [1])
  6114  	for {
  6115  		x := auxIntToInt64(v.AuxInt)
  6116  		if v_0.Op != OpRISCV64ANDI {
  6117  			break
  6118  		}
  6119  		y := auxIntToInt64(v_0.AuxInt)
  6120  		if !(y >= 0 && int64(y) < int64(x)) {
  6121  			break
  6122  		}
  6123  		v.reset(OpRISCV64MOVDconst)
  6124  		v.AuxInt = int64ToAuxInt(1)
  6125  		return true
  6126  	}
  6127  	// match: (SLTI [x] (ORI [y] _))
  6128  	// cond: y >= 0 && int64(y) >= int64(x)
  6129  	// result: (MOVDconst [0])
  6130  	for {
  6131  		x := auxIntToInt64(v.AuxInt)
  6132  		if v_0.Op != OpRISCV64ORI {
  6133  			break
  6134  		}
  6135  		y := auxIntToInt64(v_0.AuxInt)
  6136  		if !(y >= 0 && int64(y) >= int64(x)) {
  6137  			break
  6138  		}
  6139  		v.reset(OpRISCV64MOVDconst)
  6140  		v.AuxInt = int64ToAuxInt(0)
  6141  		return true
  6142  	}
  6143  	return false
  6144  }
  6145  func rewriteValueRISCV64_OpRISCV64SLTIU(v *Value) bool {
  6146  	v_0 := v.Args[0]
  6147  	// match: (SLTIU [x] (MOVDconst [y]))
  6148  	// result: (MOVDconst [b2i(uint64(y) < uint64(x))])
  6149  	for {
  6150  		x := auxIntToInt64(v.AuxInt)
  6151  		if v_0.Op != OpRISCV64MOVDconst {
  6152  			break
  6153  		}
  6154  		y := auxIntToInt64(v_0.AuxInt)
  6155  		v.reset(OpRISCV64MOVDconst)
  6156  		v.AuxInt = int64ToAuxInt(b2i(uint64(y) < uint64(x)))
  6157  		return true
  6158  	}
  6159  	// match: (SLTIU [x] (ANDI [y] _))
  6160  	// cond: y >= 0 && uint64(y) < uint64(x)
  6161  	// result: (MOVDconst [1])
  6162  	for {
  6163  		x := auxIntToInt64(v.AuxInt)
  6164  		if v_0.Op != OpRISCV64ANDI {
  6165  			break
  6166  		}
  6167  		y := auxIntToInt64(v_0.AuxInt)
  6168  		if !(y >= 0 && uint64(y) < uint64(x)) {
  6169  			break
  6170  		}
  6171  		v.reset(OpRISCV64MOVDconst)
  6172  		v.AuxInt = int64ToAuxInt(1)
  6173  		return true
  6174  	}
  6175  	// match: (SLTIU [x] (ORI [y] _))
  6176  	// cond: y >= 0 && uint64(y) >= uint64(x)
  6177  	// result: (MOVDconst [0])
  6178  	for {
  6179  		x := auxIntToInt64(v.AuxInt)
  6180  		if v_0.Op != OpRISCV64ORI {
  6181  			break
  6182  		}
  6183  		y := auxIntToInt64(v_0.AuxInt)
  6184  		if !(y >= 0 && uint64(y) >= uint64(x)) {
  6185  			break
  6186  		}
  6187  		v.reset(OpRISCV64MOVDconst)
  6188  		v.AuxInt = int64ToAuxInt(0)
  6189  		return true
  6190  	}
  6191  	return false
  6192  }
  6193  func rewriteValueRISCV64_OpRISCV64SLTU(v *Value) bool {
  6194  	v_1 := v.Args[1]
  6195  	v_0 := v.Args[0]
  6196  	// match: (SLTU x (MOVDconst [val]))
  6197  	// cond: val >= -2048 && val <= 2047
  6198  	// result: (SLTIU [val] x)
  6199  	for {
  6200  		x := v_0
  6201  		if v_1.Op != OpRISCV64MOVDconst {
  6202  			break
  6203  		}
  6204  		val := auxIntToInt64(v_1.AuxInt)
  6205  		if !(val >= -2048 && val <= 2047) {
  6206  			break
  6207  		}
  6208  		v.reset(OpRISCV64SLTIU)
  6209  		v.AuxInt = int64ToAuxInt(val)
  6210  		v.AddArg(x)
  6211  		return true
  6212  	}
  6213  	// match: (SLTU x x)
  6214  	// result: (MOVDconst [0])
  6215  	for {
  6216  		x := v_0
  6217  		if x != v_1 {
  6218  			break
  6219  		}
  6220  		v.reset(OpRISCV64MOVDconst)
  6221  		v.AuxInt = int64ToAuxInt(0)
  6222  		return true
  6223  	}
  6224  	return false
  6225  }
  6226  func rewriteValueRISCV64_OpRISCV64SNEZ(v *Value) bool {
  6227  	v_0 := v.Args[0]
  6228  	// match: (SNEZ (NEG x))
  6229  	// result: (SNEZ x)
  6230  	for {
  6231  		if v_0.Op != OpRISCV64NEG {
  6232  			break
  6233  		}
  6234  		x := v_0.Args[0]
  6235  		v.reset(OpRISCV64SNEZ)
  6236  		v.AddArg(x)
  6237  		return true
  6238  	}
  6239  	// match: (SNEZ (SEQZ x))
  6240  	// result: (SEQZ x)
  6241  	for {
  6242  		if v_0.Op != OpRISCV64SEQZ {
  6243  			break
  6244  		}
  6245  		x := v_0.Args[0]
  6246  		v.reset(OpRISCV64SEQZ)
  6247  		v.AddArg(x)
  6248  		return true
  6249  	}
  6250  	// match: (SNEZ (SNEZ x))
  6251  	// result: (SNEZ x)
  6252  	for {
  6253  		if v_0.Op != OpRISCV64SNEZ {
  6254  			break
  6255  		}
  6256  		x := v_0.Args[0]
  6257  		v.reset(OpRISCV64SNEZ)
  6258  		v.AddArg(x)
  6259  		return true
  6260  	}
  6261  	return false
  6262  }
  6263  func rewriteValueRISCV64_OpRISCV64SRA(v *Value) bool {
  6264  	v_1 := v.Args[1]
  6265  	v_0 := v.Args[0]
  6266  	// match: (SRA x (MOVDconst [val]))
  6267  	// result: (SRAI [int64(val&63)] x)
  6268  	for {
  6269  		x := v_0
  6270  		if v_1.Op != OpRISCV64MOVDconst {
  6271  			break
  6272  		}
  6273  		val := auxIntToInt64(v_1.AuxInt)
  6274  		v.reset(OpRISCV64SRAI)
  6275  		v.AuxInt = int64ToAuxInt(int64(val & 63))
  6276  		v.AddArg(x)
  6277  		return true
  6278  	}
  6279  	return false
  6280  }
  6281  func rewriteValueRISCV64_OpRISCV64SRAI(v *Value) bool {
  6282  	v_0 := v.Args[0]
  6283  	b := v.Block
  6284  	// match: (SRAI <t> [x] (MOVWreg y))
  6285  	// cond: x >= 0 && x <= 31
  6286  	// result: (SRAIW <t> [int64(x)] y)
  6287  	for {
  6288  		t := v.Type
  6289  		x := auxIntToInt64(v.AuxInt)
  6290  		if v_0.Op != OpRISCV64MOVWreg {
  6291  			break
  6292  		}
  6293  		y := v_0.Args[0]
  6294  		if !(x >= 0 && x <= 31) {
  6295  			break
  6296  		}
  6297  		v.reset(OpRISCV64SRAIW)
  6298  		v.Type = t
  6299  		v.AuxInt = int64ToAuxInt(int64(x))
  6300  		v.AddArg(y)
  6301  		return true
  6302  	}
  6303  	// match: (SRAI <t> [x] (MOVBreg y))
  6304  	// cond: x >= 8
  6305  	// result: (SRAI [63] (SLLI <t> [56] y))
  6306  	for {
  6307  		t := v.Type
  6308  		x := auxIntToInt64(v.AuxInt)
  6309  		if v_0.Op != OpRISCV64MOVBreg {
  6310  			break
  6311  		}
  6312  		y := v_0.Args[0]
  6313  		if !(x >= 8) {
  6314  			break
  6315  		}
  6316  		v.reset(OpRISCV64SRAI)
  6317  		v.AuxInt = int64ToAuxInt(63)
  6318  		v0 := b.NewValue0(v.Pos, OpRISCV64SLLI, t)
  6319  		v0.AuxInt = int64ToAuxInt(56)
  6320  		v0.AddArg(y)
  6321  		v.AddArg(v0)
  6322  		return true
  6323  	}
  6324  	// match: (SRAI <t> [x] (MOVHreg y))
  6325  	// cond: x >= 16
  6326  	// result: (SRAI [63] (SLLI <t> [48] y))
  6327  	for {
  6328  		t := v.Type
  6329  		x := auxIntToInt64(v.AuxInt)
  6330  		if v_0.Op != OpRISCV64MOVHreg {
  6331  			break
  6332  		}
  6333  		y := v_0.Args[0]
  6334  		if !(x >= 16) {
  6335  			break
  6336  		}
  6337  		v.reset(OpRISCV64SRAI)
  6338  		v.AuxInt = int64ToAuxInt(63)
  6339  		v0 := b.NewValue0(v.Pos, OpRISCV64SLLI, t)
  6340  		v0.AuxInt = int64ToAuxInt(48)
  6341  		v0.AddArg(y)
  6342  		v.AddArg(v0)
  6343  		return true
  6344  	}
  6345  	// match: (SRAI <t> [x] (MOVWreg y))
  6346  	// cond: x >= 32
  6347  	// result: (SRAIW [31] y)
  6348  	for {
  6349  		x := auxIntToInt64(v.AuxInt)
  6350  		if v_0.Op != OpRISCV64MOVWreg {
  6351  			break
  6352  		}
  6353  		y := v_0.Args[0]
  6354  		if !(x >= 32) {
  6355  			break
  6356  		}
  6357  		v.reset(OpRISCV64SRAIW)
  6358  		v.AuxInt = int64ToAuxInt(31)
  6359  		v.AddArg(y)
  6360  		return true
  6361  	}
  6362  	// match: (SRAI [x] (MOVDconst [y]))
  6363  	// result: (MOVDconst [int64(y) >> uint32(x)])
  6364  	for {
  6365  		x := auxIntToInt64(v.AuxInt)
  6366  		if v_0.Op != OpRISCV64MOVDconst {
  6367  			break
  6368  		}
  6369  		y := auxIntToInt64(v_0.AuxInt)
  6370  		v.reset(OpRISCV64MOVDconst)
  6371  		v.AuxInt = int64ToAuxInt(int64(y) >> uint32(x))
  6372  		return true
  6373  	}
  6374  	return false
  6375  }
  6376  func rewriteValueRISCV64_OpRISCV64SRAW(v *Value) bool {
  6377  	v_1 := v.Args[1]
  6378  	v_0 := v.Args[0]
  6379  	// match: (SRAW x (MOVDconst [val]))
  6380  	// result: (SRAIW [int64(val&31)] x)
  6381  	for {
  6382  		x := v_0
  6383  		if v_1.Op != OpRISCV64MOVDconst {
  6384  			break
  6385  		}
  6386  		val := auxIntToInt64(v_1.AuxInt)
  6387  		v.reset(OpRISCV64SRAIW)
  6388  		v.AuxInt = int64ToAuxInt(int64(val & 31))
  6389  		v.AddArg(x)
  6390  		return true
  6391  	}
  6392  	return false
  6393  }
  6394  func rewriteValueRISCV64_OpRISCV64SRL(v *Value) bool {
  6395  	v_1 := v.Args[1]
  6396  	v_0 := v.Args[0]
  6397  	// match: (SRL x (MOVDconst [val]))
  6398  	// result: (SRLI [int64(val&63)] x)
  6399  	for {
  6400  		x := v_0
  6401  		if v_1.Op != OpRISCV64MOVDconst {
  6402  			break
  6403  		}
  6404  		val := auxIntToInt64(v_1.AuxInt)
  6405  		v.reset(OpRISCV64SRLI)
  6406  		v.AuxInt = int64ToAuxInt(int64(val & 63))
  6407  		v.AddArg(x)
  6408  		return true
  6409  	}
  6410  	return false
  6411  }
  6412  func rewriteValueRISCV64_OpRISCV64SRLI(v *Value) bool {
  6413  	v_0 := v.Args[0]
  6414  	// match: (SRLI <t> [x] (MOVWUreg y))
  6415  	// cond: x >= 0 && x <= 31
  6416  	// result: (SRLIW <t> [int64(x)] y)
  6417  	for {
  6418  		t := v.Type
  6419  		x := auxIntToInt64(v.AuxInt)
  6420  		if v_0.Op != OpRISCV64MOVWUreg {
  6421  			break
  6422  		}
  6423  		y := v_0.Args[0]
  6424  		if !(x >= 0 && x <= 31) {
  6425  			break
  6426  		}
  6427  		v.reset(OpRISCV64SRLIW)
  6428  		v.Type = t
  6429  		v.AuxInt = int64ToAuxInt(int64(x))
  6430  		v.AddArg(y)
  6431  		return true
  6432  	}
  6433  	// match: (SRLI <t> [x] (MOVBUreg y))
  6434  	// cond: x >= 8
  6435  	// result: (MOVDconst <t> [0])
  6436  	for {
  6437  		t := v.Type
  6438  		x := auxIntToInt64(v.AuxInt)
  6439  		if v_0.Op != OpRISCV64MOVBUreg {
  6440  			break
  6441  		}
  6442  		if !(x >= 8) {
  6443  			break
  6444  		}
  6445  		v.reset(OpRISCV64MOVDconst)
  6446  		v.Type = t
  6447  		v.AuxInt = int64ToAuxInt(0)
  6448  		return true
  6449  	}
  6450  	// match: (SRLI <t> [x] (MOVHUreg y))
  6451  	// cond: x >= 16
  6452  	// result: (MOVDconst <t> [0])
  6453  	for {
  6454  		t := v.Type
  6455  		x := auxIntToInt64(v.AuxInt)
  6456  		if v_0.Op != OpRISCV64MOVHUreg {
  6457  			break
  6458  		}
  6459  		if !(x >= 16) {
  6460  			break
  6461  		}
  6462  		v.reset(OpRISCV64MOVDconst)
  6463  		v.Type = t
  6464  		v.AuxInt = int64ToAuxInt(0)
  6465  		return true
  6466  	}
  6467  	// match: (SRLI <t> [x] (MOVWUreg y))
  6468  	// cond: x >= 32
  6469  	// result: (MOVDconst <t> [0])
  6470  	for {
  6471  		t := v.Type
  6472  		x := auxIntToInt64(v.AuxInt)
  6473  		if v_0.Op != OpRISCV64MOVWUreg {
  6474  			break
  6475  		}
  6476  		if !(x >= 32) {
  6477  			break
  6478  		}
  6479  		v.reset(OpRISCV64MOVDconst)
  6480  		v.Type = t
  6481  		v.AuxInt = int64ToAuxInt(0)
  6482  		return true
  6483  	}
  6484  	// match: (SRLI [x] (MOVDconst [y]))
  6485  	// result: (MOVDconst [int64(uint64(y) >> uint32(x))])
  6486  	for {
  6487  		x := auxIntToInt64(v.AuxInt)
  6488  		if v_0.Op != OpRISCV64MOVDconst {
  6489  			break
  6490  		}
  6491  		y := auxIntToInt64(v_0.AuxInt)
  6492  		v.reset(OpRISCV64MOVDconst)
  6493  		v.AuxInt = int64ToAuxInt(int64(uint64(y) >> uint32(x)))
  6494  		return true
  6495  	}
  6496  	return false
  6497  }
  6498  func rewriteValueRISCV64_OpRISCV64SRLW(v *Value) bool {
  6499  	v_1 := v.Args[1]
  6500  	v_0 := v.Args[0]
  6501  	// match: (SRLW x (MOVDconst [val]))
  6502  	// result: (SRLIW [int64(val&31)] x)
  6503  	for {
  6504  		x := v_0
  6505  		if v_1.Op != OpRISCV64MOVDconst {
  6506  			break
  6507  		}
  6508  		val := auxIntToInt64(v_1.AuxInt)
  6509  		v.reset(OpRISCV64SRLIW)
  6510  		v.AuxInt = int64ToAuxInt(int64(val & 31))
  6511  		v.AddArg(x)
  6512  		return true
  6513  	}
  6514  	return false
  6515  }
  6516  func rewriteValueRISCV64_OpRISCV64SUB(v *Value) bool {
  6517  	v_1 := v.Args[1]
  6518  	v_0 := v.Args[0]
  6519  	b := v.Block
  6520  	// match: (SUB x (MOVDconst [val]))
  6521  	// cond: is32Bit(-val)
  6522  	// result: (ADDI [-val] x)
  6523  	for {
  6524  		x := v_0
  6525  		if v_1.Op != OpRISCV64MOVDconst {
  6526  			break
  6527  		}
  6528  		val := auxIntToInt64(v_1.AuxInt)
  6529  		if !(is32Bit(-val)) {
  6530  			break
  6531  		}
  6532  		v.reset(OpRISCV64ADDI)
  6533  		v.AuxInt = int64ToAuxInt(-val)
  6534  		v.AddArg(x)
  6535  		return true
  6536  	}
  6537  	// match: (SUB <t> (MOVDconst [val]) y)
  6538  	// cond: is32Bit(-val)
  6539  	// result: (NEG (ADDI <t> [-val] y))
  6540  	for {
  6541  		t := v.Type
  6542  		if v_0.Op != OpRISCV64MOVDconst {
  6543  			break
  6544  		}
  6545  		val := auxIntToInt64(v_0.AuxInt)
  6546  		y := v_1
  6547  		if !(is32Bit(-val)) {
  6548  			break
  6549  		}
  6550  		v.reset(OpRISCV64NEG)
  6551  		v0 := b.NewValue0(v.Pos, OpRISCV64ADDI, t)
  6552  		v0.AuxInt = int64ToAuxInt(-val)
  6553  		v0.AddArg(y)
  6554  		v.AddArg(v0)
  6555  		return true
  6556  	}
  6557  	// match: (SUB x (MOVDconst [0]))
  6558  	// result: x
  6559  	for {
  6560  		x := v_0
  6561  		if v_1.Op != OpRISCV64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  6562  			break
  6563  		}
  6564  		v.copyOf(x)
  6565  		return true
  6566  	}
  6567  	// match: (SUB (MOVDconst [0]) x)
  6568  	// result: (NEG x)
  6569  	for {
  6570  		if v_0.Op != OpRISCV64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6571  			break
  6572  		}
  6573  		x := v_1
  6574  		v.reset(OpRISCV64NEG)
  6575  		v.AddArg(x)
  6576  		return true
  6577  	}
  6578  	return false
  6579  }
  6580  func rewriteValueRISCV64_OpRISCV64SUBW(v *Value) bool {
  6581  	v_1 := v.Args[1]
  6582  	v_0 := v.Args[0]
  6583  	// match: (SUBW x (MOVDconst [0]))
  6584  	// result: (ADDIW [0] x)
  6585  	for {
  6586  		x := v_0
  6587  		if v_1.Op != OpRISCV64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  6588  			break
  6589  		}
  6590  		v.reset(OpRISCV64ADDIW)
  6591  		v.AuxInt = int64ToAuxInt(0)
  6592  		v.AddArg(x)
  6593  		return true
  6594  	}
  6595  	// match: (SUBW (MOVDconst [0]) x)
  6596  	// result: (NEGW x)
  6597  	for {
  6598  		if v_0.Op != OpRISCV64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6599  			break
  6600  		}
  6601  		x := v_1
  6602  		v.reset(OpRISCV64NEGW)
  6603  		v.AddArg(x)
  6604  		return true
  6605  	}
  6606  	return false
  6607  }
  6608  func rewriteValueRISCV64_OpRISCV64XOR(v *Value) bool {
  6609  	v_1 := v.Args[1]
  6610  	v_0 := v.Args[0]
  6611  	// match: (XOR (MOVDconst [val]) x)
  6612  	// cond: is32Bit(val)
  6613  	// result: (XORI [val] x)
  6614  	for {
  6615  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  6616  			if v_0.Op != OpRISCV64MOVDconst {
  6617  				continue
  6618  			}
  6619  			val := auxIntToInt64(v_0.AuxInt)
  6620  			x := v_1
  6621  			if !(is32Bit(val)) {
  6622  				continue
  6623  			}
  6624  			v.reset(OpRISCV64XORI)
  6625  			v.AuxInt = int64ToAuxInt(val)
  6626  			v.AddArg(x)
  6627  			return true
  6628  		}
  6629  		break
  6630  	}
  6631  	return false
  6632  }
  6633  func rewriteValueRISCV64_OpRotateLeft16(v *Value) bool {
  6634  	v_1 := v.Args[1]
  6635  	v_0 := v.Args[0]
  6636  	b := v.Block
  6637  	typ := &b.Func.Config.Types
  6638  	// match: (RotateLeft16 <t> x (MOVDconst [c]))
  6639  	// result: (Or16 (Lsh16x64 <t> x (MOVDconst [c&15])) (Rsh16Ux64 <t> x (MOVDconst [-c&15])))
  6640  	for {
  6641  		t := v.Type
  6642  		x := v_0
  6643  		if v_1.Op != OpRISCV64MOVDconst {
  6644  			break
  6645  		}
  6646  		c := auxIntToInt64(v_1.AuxInt)
  6647  		v.reset(OpOr16)
  6648  		v0 := b.NewValue0(v.Pos, OpLsh16x64, t)
  6649  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  6650  		v1.AuxInt = int64ToAuxInt(c & 15)
  6651  		v0.AddArg2(x, v1)
  6652  		v2 := b.NewValue0(v.Pos, OpRsh16Ux64, t)
  6653  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  6654  		v3.AuxInt = int64ToAuxInt(-c & 15)
  6655  		v2.AddArg2(x, v3)
  6656  		v.AddArg2(v0, v2)
  6657  		return true
  6658  	}
  6659  	return false
  6660  }
  6661  func rewriteValueRISCV64_OpRotateLeft32(v *Value) bool {
  6662  	v_1 := v.Args[1]
  6663  	v_0 := v.Args[0]
  6664  	b := v.Block
  6665  	typ := &b.Func.Config.Types
  6666  	// match: (RotateLeft32 <t> x (MOVDconst [c]))
  6667  	// result: (Or32 (Lsh32x64 <t> x (MOVDconst [c&31])) (Rsh32Ux64 <t> x (MOVDconst [-c&31])))
  6668  	for {
  6669  		t := v.Type
  6670  		x := v_0
  6671  		if v_1.Op != OpRISCV64MOVDconst {
  6672  			break
  6673  		}
  6674  		c := auxIntToInt64(v_1.AuxInt)
  6675  		v.reset(OpOr32)
  6676  		v0 := b.NewValue0(v.Pos, OpLsh32x64, t)
  6677  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  6678  		v1.AuxInt = int64ToAuxInt(c & 31)
  6679  		v0.AddArg2(x, v1)
  6680  		v2 := b.NewValue0(v.Pos, OpRsh32Ux64, t)
  6681  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  6682  		v3.AuxInt = int64ToAuxInt(-c & 31)
  6683  		v2.AddArg2(x, v3)
  6684  		v.AddArg2(v0, v2)
  6685  		return true
  6686  	}
  6687  	return false
  6688  }
  6689  func rewriteValueRISCV64_OpRotateLeft64(v *Value) bool {
  6690  	v_1 := v.Args[1]
  6691  	v_0 := v.Args[0]
  6692  	b := v.Block
  6693  	typ := &b.Func.Config.Types
  6694  	// match: (RotateLeft64 <t> x (MOVDconst [c]))
  6695  	// result: (Or64 (Lsh64x64 <t> x (MOVDconst [c&63])) (Rsh64Ux64 <t> x (MOVDconst [-c&63])))
  6696  	for {
  6697  		t := v.Type
  6698  		x := v_0
  6699  		if v_1.Op != OpRISCV64MOVDconst {
  6700  			break
  6701  		}
  6702  		c := auxIntToInt64(v_1.AuxInt)
  6703  		v.reset(OpOr64)
  6704  		v0 := b.NewValue0(v.Pos, OpLsh64x64, t)
  6705  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  6706  		v1.AuxInt = int64ToAuxInt(c & 63)
  6707  		v0.AddArg2(x, v1)
  6708  		v2 := b.NewValue0(v.Pos, OpRsh64Ux64, t)
  6709  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  6710  		v3.AuxInt = int64ToAuxInt(-c & 63)
  6711  		v2.AddArg2(x, v3)
  6712  		v.AddArg2(v0, v2)
  6713  		return true
  6714  	}
  6715  	return false
  6716  }
  6717  func rewriteValueRISCV64_OpRotateLeft8(v *Value) bool {
  6718  	v_1 := v.Args[1]
  6719  	v_0 := v.Args[0]
  6720  	b := v.Block
  6721  	typ := &b.Func.Config.Types
  6722  	// match: (RotateLeft8 <t> x (MOVDconst [c]))
  6723  	// result: (Or8 (Lsh8x64 <t> x (MOVDconst [c&7])) (Rsh8Ux64 <t> x (MOVDconst [-c&7])))
  6724  	for {
  6725  		t := v.Type
  6726  		x := v_0
  6727  		if v_1.Op != OpRISCV64MOVDconst {
  6728  			break
  6729  		}
  6730  		c := auxIntToInt64(v_1.AuxInt)
  6731  		v.reset(OpOr8)
  6732  		v0 := b.NewValue0(v.Pos, OpLsh8x64, t)
  6733  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  6734  		v1.AuxInt = int64ToAuxInt(c & 7)
  6735  		v0.AddArg2(x, v1)
  6736  		v2 := b.NewValue0(v.Pos, OpRsh8Ux64, t)
  6737  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  6738  		v3.AuxInt = int64ToAuxInt(-c & 7)
  6739  		v2.AddArg2(x, v3)
  6740  		v.AddArg2(v0, v2)
  6741  		return true
  6742  	}
  6743  	return false
  6744  }
  6745  func rewriteValueRISCV64_OpRsh16Ux16(v *Value) bool {
  6746  	v_1 := v.Args[1]
  6747  	v_0 := v.Args[0]
  6748  	b := v.Block
  6749  	typ := &b.Func.Config.Types
  6750  	// match: (Rsh16Ux16 <t> x y)
  6751  	// cond: !shiftIsBounded(v)
  6752  	// result: (AND (SRL <t> (ZeroExt16to64 x) y) (Neg16 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  6753  	for {
  6754  		t := v.Type
  6755  		x := v_0
  6756  		y := v_1
  6757  		if !(!shiftIsBounded(v)) {
  6758  			break
  6759  		}
  6760  		v.reset(OpRISCV64AND)
  6761  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  6762  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  6763  		v1.AddArg(x)
  6764  		v0.AddArg2(v1, y)
  6765  		v2 := b.NewValue0(v.Pos, OpNeg16, t)
  6766  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  6767  		v3.AuxInt = int64ToAuxInt(64)
  6768  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  6769  		v4.AddArg(y)
  6770  		v3.AddArg(v4)
  6771  		v2.AddArg(v3)
  6772  		v.AddArg2(v0, v2)
  6773  		return true
  6774  	}
  6775  	// match: (Rsh16Ux16 x y)
  6776  	// cond: shiftIsBounded(v)
  6777  	// result: (SRL (ZeroExt16to64 x) y)
  6778  	for {
  6779  		x := v_0
  6780  		y := v_1
  6781  		if !(shiftIsBounded(v)) {
  6782  			break
  6783  		}
  6784  		v.reset(OpRISCV64SRL)
  6785  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  6786  		v0.AddArg(x)
  6787  		v.AddArg2(v0, y)
  6788  		return true
  6789  	}
  6790  	return false
  6791  }
  6792  func rewriteValueRISCV64_OpRsh16Ux32(v *Value) bool {
  6793  	v_1 := v.Args[1]
  6794  	v_0 := v.Args[0]
  6795  	b := v.Block
  6796  	typ := &b.Func.Config.Types
  6797  	// match: (Rsh16Ux32 <t> x y)
  6798  	// cond: !shiftIsBounded(v)
  6799  	// result: (AND (SRL <t> (ZeroExt16to64 x) y) (Neg16 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  6800  	for {
  6801  		t := v.Type
  6802  		x := v_0
  6803  		y := v_1
  6804  		if !(!shiftIsBounded(v)) {
  6805  			break
  6806  		}
  6807  		v.reset(OpRISCV64AND)
  6808  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  6809  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  6810  		v1.AddArg(x)
  6811  		v0.AddArg2(v1, y)
  6812  		v2 := b.NewValue0(v.Pos, OpNeg16, t)
  6813  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  6814  		v3.AuxInt = int64ToAuxInt(64)
  6815  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  6816  		v4.AddArg(y)
  6817  		v3.AddArg(v4)
  6818  		v2.AddArg(v3)
  6819  		v.AddArg2(v0, v2)
  6820  		return true
  6821  	}
  6822  	// match: (Rsh16Ux32 x y)
  6823  	// cond: shiftIsBounded(v)
  6824  	// result: (SRL (ZeroExt16to64 x) y)
  6825  	for {
  6826  		x := v_0
  6827  		y := v_1
  6828  		if !(shiftIsBounded(v)) {
  6829  			break
  6830  		}
  6831  		v.reset(OpRISCV64SRL)
  6832  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  6833  		v0.AddArg(x)
  6834  		v.AddArg2(v0, y)
  6835  		return true
  6836  	}
  6837  	return false
  6838  }
  6839  func rewriteValueRISCV64_OpRsh16Ux64(v *Value) bool {
  6840  	v_1 := v.Args[1]
  6841  	v_0 := v.Args[0]
  6842  	b := v.Block
  6843  	typ := &b.Func.Config.Types
  6844  	// match: (Rsh16Ux64 <t> x y)
  6845  	// cond: !shiftIsBounded(v)
  6846  	// result: (AND (SRL <t> (ZeroExt16to64 x) y) (Neg16 <t> (SLTIU <t> [64] y)))
  6847  	for {
  6848  		t := v.Type
  6849  		x := v_0
  6850  		y := v_1
  6851  		if !(!shiftIsBounded(v)) {
  6852  			break
  6853  		}
  6854  		v.reset(OpRISCV64AND)
  6855  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  6856  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  6857  		v1.AddArg(x)
  6858  		v0.AddArg2(v1, y)
  6859  		v2 := b.NewValue0(v.Pos, OpNeg16, t)
  6860  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  6861  		v3.AuxInt = int64ToAuxInt(64)
  6862  		v3.AddArg(y)
  6863  		v2.AddArg(v3)
  6864  		v.AddArg2(v0, v2)
  6865  		return true
  6866  	}
  6867  	// match: (Rsh16Ux64 x y)
  6868  	// cond: shiftIsBounded(v)
  6869  	// result: (SRL (ZeroExt16to64 x) y)
  6870  	for {
  6871  		x := v_0
  6872  		y := v_1
  6873  		if !(shiftIsBounded(v)) {
  6874  			break
  6875  		}
  6876  		v.reset(OpRISCV64SRL)
  6877  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  6878  		v0.AddArg(x)
  6879  		v.AddArg2(v0, y)
  6880  		return true
  6881  	}
  6882  	return false
  6883  }
  6884  func rewriteValueRISCV64_OpRsh16Ux8(v *Value) bool {
  6885  	v_1 := v.Args[1]
  6886  	v_0 := v.Args[0]
  6887  	b := v.Block
  6888  	typ := &b.Func.Config.Types
  6889  	// match: (Rsh16Ux8 <t> x y)
  6890  	// cond: !shiftIsBounded(v)
  6891  	// result: (AND (SRL <t> (ZeroExt16to64 x) y) (Neg16 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  6892  	for {
  6893  		t := v.Type
  6894  		x := v_0
  6895  		y := v_1
  6896  		if !(!shiftIsBounded(v)) {
  6897  			break
  6898  		}
  6899  		v.reset(OpRISCV64AND)
  6900  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  6901  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  6902  		v1.AddArg(x)
  6903  		v0.AddArg2(v1, y)
  6904  		v2 := b.NewValue0(v.Pos, OpNeg16, t)
  6905  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  6906  		v3.AuxInt = int64ToAuxInt(64)
  6907  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  6908  		v4.AddArg(y)
  6909  		v3.AddArg(v4)
  6910  		v2.AddArg(v3)
  6911  		v.AddArg2(v0, v2)
  6912  		return true
  6913  	}
  6914  	// match: (Rsh16Ux8 x y)
  6915  	// cond: shiftIsBounded(v)
  6916  	// result: (SRL (ZeroExt16to64 x) y)
  6917  	for {
  6918  		x := v_0
  6919  		y := v_1
  6920  		if !(shiftIsBounded(v)) {
  6921  			break
  6922  		}
  6923  		v.reset(OpRISCV64SRL)
  6924  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  6925  		v0.AddArg(x)
  6926  		v.AddArg2(v0, y)
  6927  		return true
  6928  	}
  6929  	return false
  6930  }
  6931  func rewriteValueRISCV64_OpRsh16x16(v *Value) bool {
  6932  	v_1 := v.Args[1]
  6933  	v_0 := v.Args[0]
  6934  	b := v.Block
  6935  	typ := &b.Func.Config.Types
  6936  	// match: (Rsh16x16 <t> x y)
  6937  	// cond: !shiftIsBounded(v)
  6938  	// result: (SRA <t> (SignExt16to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt16to64 y)))))
  6939  	for {
  6940  		t := v.Type
  6941  		x := v_0
  6942  		y := v_1
  6943  		if !(!shiftIsBounded(v)) {
  6944  			break
  6945  		}
  6946  		v.reset(OpRISCV64SRA)
  6947  		v.Type = t
  6948  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  6949  		v0.AddArg(x)
  6950  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  6951  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  6952  		v2.AuxInt = int64ToAuxInt(-1)
  6953  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  6954  		v3.AuxInt = int64ToAuxInt(64)
  6955  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  6956  		v4.AddArg(y)
  6957  		v3.AddArg(v4)
  6958  		v2.AddArg(v3)
  6959  		v1.AddArg2(y, v2)
  6960  		v.AddArg2(v0, v1)
  6961  		return true
  6962  	}
  6963  	// match: (Rsh16x16 x y)
  6964  	// cond: shiftIsBounded(v)
  6965  	// result: (SRA (SignExt16to64 x) y)
  6966  	for {
  6967  		x := v_0
  6968  		y := v_1
  6969  		if !(shiftIsBounded(v)) {
  6970  			break
  6971  		}
  6972  		v.reset(OpRISCV64SRA)
  6973  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  6974  		v0.AddArg(x)
  6975  		v.AddArg2(v0, y)
  6976  		return true
  6977  	}
  6978  	return false
  6979  }
  6980  func rewriteValueRISCV64_OpRsh16x32(v *Value) bool {
  6981  	v_1 := v.Args[1]
  6982  	v_0 := v.Args[0]
  6983  	b := v.Block
  6984  	typ := &b.Func.Config.Types
  6985  	// match: (Rsh16x32 <t> x y)
  6986  	// cond: !shiftIsBounded(v)
  6987  	// result: (SRA <t> (SignExt16to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt32to64 y)))))
  6988  	for {
  6989  		t := v.Type
  6990  		x := v_0
  6991  		y := v_1
  6992  		if !(!shiftIsBounded(v)) {
  6993  			break
  6994  		}
  6995  		v.reset(OpRISCV64SRA)
  6996  		v.Type = t
  6997  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  6998  		v0.AddArg(x)
  6999  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7000  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7001  		v2.AuxInt = int64ToAuxInt(-1)
  7002  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7003  		v3.AuxInt = int64ToAuxInt(64)
  7004  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  7005  		v4.AddArg(y)
  7006  		v3.AddArg(v4)
  7007  		v2.AddArg(v3)
  7008  		v1.AddArg2(y, v2)
  7009  		v.AddArg2(v0, v1)
  7010  		return true
  7011  	}
  7012  	// match: (Rsh16x32 x y)
  7013  	// cond: shiftIsBounded(v)
  7014  	// result: (SRA (SignExt16to64 x) y)
  7015  	for {
  7016  		x := v_0
  7017  		y := v_1
  7018  		if !(shiftIsBounded(v)) {
  7019  			break
  7020  		}
  7021  		v.reset(OpRISCV64SRA)
  7022  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  7023  		v0.AddArg(x)
  7024  		v.AddArg2(v0, y)
  7025  		return true
  7026  	}
  7027  	return false
  7028  }
  7029  func rewriteValueRISCV64_OpRsh16x64(v *Value) bool {
  7030  	v_1 := v.Args[1]
  7031  	v_0 := v.Args[0]
  7032  	b := v.Block
  7033  	typ := &b.Func.Config.Types
  7034  	// match: (Rsh16x64 <t> x y)
  7035  	// cond: !shiftIsBounded(v)
  7036  	// result: (SRA <t> (SignExt16to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] y))))
  7037  	for {
  7038  		t := v.Type
  7039  		x := v_0
  7040  		y := v_1
  7041  		if !(!shiftIsBounded(v)) {
  7042  			break
  7043  		}
  7044  		v.reset(OpRISCV64SRA)
  7045  		v.Type = t
  7046  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  7047  		v0.AddArg(x)
  7048  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7049  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7050  		v2.AuxInt = int64ToAuxInt(-1)
  7051  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7052  		v3.AuxInt = int64ToAuxInt(64)
  7053  		v3.AddArg(y)
  7054  		v2.AddArg(v3)
  7055  		v1.AddArg2(y, v2)
  7056  		v.AddArg2(v0, v1)
  7057  		return true
  7058  	}
  7059  	// match: (Rsh16x64 x y)
  7060  	// cond: shiftIsBounded(v)
  7061  	// result: (SRA (SignExt16to64 x) y)
  7062  	for {
  7063  		x := v_0
  7064  		y := v_1
  7065  		if !(shiftIsBounded(v)) {
  7066  			break
  7067  		}
  7068  		v.reset(OpRISCV64SRA)
  7069  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  7070  		v0.AddArg(x)
  7071  		v.AddArg2(v0, y)
  7072  		return true
  7073  	}
  7074  	return false
  7075  }
  7076  func rewriteValueRISCV64_OpRsh16x8(v *Value) bool {
  7077  	v_1 := v.Args[1]
  7078  	v_0 := v.Args[0]
  7079  	b := v.Block
  7080  	typ := &b.Func.Config.Types
  7081  	// match: (Rsh16x8 <t> x y)
  7082  	// cond: !shiftIsBounded(v)
  7083  	// result: (SRA <t> (SignExt16to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt8to64 y)))))
  7084  	for {
  7085  		t := v.Type
  7086  		x := v_0
  7087  		y := v_1
  7088  		if !(!shiftIsBounded(v)) {
  7089  			break
  7090  		}
  7091  		v.reset(OpRISCV64SRA)
  7092  		v.Type = t
  7093  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  7094  		v0.AddArg(x)
  7095  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7096  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7097  		v2.AuxInt = int64ToAuxInt(-1)
  7098  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7099  		v3.AuxInt = int64ToAuxInt(64)
  7100  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7101  		v4.AddArg(y)
  7102  		v3.AddArg(v4)
  7103  		v2.AddArg(v3)
  7104  		v1.AddArg2(y, v2)
  7105  		v.AddArg2(v0, v1)
  7106  		return true
  7107  	}
  7108  	// match: (Rsh16x8 x y)
  7109  	// cond: shiftIsBounded(v)
  7110  	// result: (SRA (SignExt16to64 x) y)
  7111  	for {
  7112  		x := v_0
  7113  		y := v_1
  7114  		if !(shiftIsBounded(v)) {
  7115  			break
  7116  		}
  7117  		v.reset(OpRISCV64SRA)
  7118  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  7119  		v0.AddArg(x)
  7120  		v.AddArg2(v0, y)
  7121  		return true
  7122  	}
  7123  	return false
  7124  }
  7125  func rewriteValueRISCV64_OpRsh32Ux16(v *Value) bool {
  7126  	v_1 := v.Args[1]
  7127  	v_0 := v.Args[0]
  7128  	b := v.Block
  7129  	typ := &b.Func.Config.Types
  7130  	// match: (Rsh32Ux16 <t> x y)
  7131  	// cond: !shiftIsBounded(v)
  7132  	// result: (AND (SRLW <t> x y) (Neg32 <t> (SLTIU <t> [32] (ZeroExt16to64 y))))
  7133  	for {
  7134  		t := v.Type
  7135  		x := v_0
  7136  		y := v_1
  7137  		if !(!shiftIsBounded(v)) {
  7138  			break
  7139  		}
  7140  		v.reset(OpRISCV64AND)
  7141  		v0 := b.NewValue0(v.Pos, OpRISCV64SRLW, t)
  7142  		v0.AddArg2(x, y)
  7143  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  7144  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7145  		v2.AuxInt = int64ToAuxInt(32)
  7146  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7147  		v3.AddArg(y)
  7148  		v2.AddArg(v3)
  7149  		v1.AddArg(v2)
  7150  		v.AddArg2(v0, v1)
  7151  		return true
  7152  	}
  7153  	// match: (Rsh32Ux16 x y)
  7154  	// cond: shiftIsBounded(v)
  7155  	// result: (SRLW x y)
  7156  	for {
  7157  		x := v_0
  7158  		y := v_1
  7159  		if !(shiftIsBounded(v)) {
  7160  			break
  7161  		}
  7162  		v.reset(OpRISCV64SRLW)
  7163  		v.AddArg2(x, y)
  7164  		return true
  7165  	}
  7166  	return false
  7167  }
  7168  func rewriteValueRISCV64_OpRsh32Ux32(v *Value) bool {
  7169  	v_1 := v.Args[1]
  7170  	v_0 := v.Args[0]
  7171  	b := v.Block
  7172  	typ := &b.Func.Config.Types
  7173  	// match: (Rsh32Ux32 <t> x y)
  7174  	// cond: !shiftIsBounded(v)
  7175  	// result: (AND (SRLW <t> x y) (Neg32 <t> (SLTIU <t> [32] (ZeroExt32to64 y))))
  7176  	for {
  7177  		t := v.Type
  7178  		x := v_0
  7179  		y := v_1
  7180  		if !(!shiftIsBounded(v)) {
  7181  			break
  7182  		}
  7183  		v.reset(OpRISCV64AND)
  7184  		v0 := b.NewValue0(v.Pos, OpRISCV64SRLW, t)
  7185  		v0.AddArg2(x, y)
  7186  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  7187  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7188  		v2.AuxInt = int64ToAuxInt(32)
  7189  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  7190  		v3.AddArg(y)
  7191  		v2.AddArg(v3)
  7192  		v1.AddArg(v2)
  7193  		v.AddArg2(v0, v1)
  7194  		return true
  7195  	}
  7196  	// match: (Rsh32Ux32 x y)
  7197  	// cond: shiftIsBounded(v)
  7198  	// result: (SRLW x y)
  7199  	for {
  7200  		x := v_0
  7201  		y := v_1
  7202  		if !(shiftIsBounded(v)) {
  7203  			break
  7204  		}
  7205  		v.reset(OpRISCV64SRLW)
  7206  		v.AddArg2(x, y)
  7207  		return true
  7208  	}
  7209  	return false
  7210  }
  7211  func rewriteValueRISCV64_OpRsh32Ux64(v *Value) bool {
  7212  	v_1 := v.Args[1]
  7213  	v_0 := v.Args[0]
  7214  	b := v.Block
  7215  	// match: (Rsh32Ux64 <t> x y)
  7216  	// cond: !shiftIsBounded(v)
  7217  	// result: (AND (SRLW <t> x y) (Neg32 <t> (SLTIU <t> [32] y)))
  7218  	for {
  7219  		t := v.Type
  7220  		x := v_0
  7221  		y := v_1
  7222  		if !(!shiftIsBounded(v)) {
  7223  			break
  7224  		}
  7225  		v.reset(OpRISCV64AND)
  7226  		v0 := b.NewValue0(v.Pos, OpRISCV64SRLW, t)
  7227  		v0.AddArg2(x, y)
  7228  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  7229  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7230  		v2.AuxInt = int64ToAuxInt(32)
  7231  		v2.AddArg(y)
  7232  		v1.AddArg(v2)
  7233  		v.AddArg2(v0, v1)
  7234  		return true
  7235  	}
  7236  	// match: (Rsh32Ux64 x y)
  7237  	// cond: shiftIsBounded(v)
  7238  	// result: (SRLW x y)
  7239  	for {
  7240  		x := v_0
  7241  		y := v_1
  7242  		if !(shiftIsBounded(v)) {
  7243  			break
  7244  		}
  7245  		v.reset(OpRISCV64SRLW)
  7246  		v.AddArg2(x, y)
  7247  		return true
  7248  	}
  7249  	return false
  7250  }
  7251  func rewriteValueRISCV64_OpRsh32Ux8(v *Value) bool {
  7252  	v_1 := v.Args[1]
  7253  	v_0 := v.Args[0]
  7254  	b := v.Block
  7255  	typ := &b.Func.Config.Types
  7256  	// match: (Rsh32Ux8 <t> x y)
  7257  	// cond: !shiftIsBounded(v)
  7258  	// result: (AND (SRLW <t> x y) (Neg32 <t> (SLTIU <t> [32] (ZeroExt8to64 y))))
  7259  	for {
  7260  		t := v.Type
  7261  		x := v_0
  7262  		y := v_1
  7263  		if !(!shiftIsBounded(v)) {
  7264  			break
  7265  		}
  7266  		v.reset(OpRISCV64AND)
  7267  		v0 := b.NewValue0(v.Pos, OpRISCV64SRLW, t)
  7268  		v0.AddArg2(x, y)
  7269  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  7270  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7271  		v2.AuxInt = int64ToAuxInt(32)
  7272  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7273  		v3.AddArg(y)
  7274  		v2.AddArg(v3)
  7275  		v1.AddArg(v2)
  7276  		v.AddArg2(v0, v1)
  7277  		return true
  7278  	}
  7279  	// match: (Rsh32Ux8 x y)
  7280  	// cond: shiftIsBounded(v)
  7281  	// result: (SRLW x y)
  7282  	for {
  7283  		x := v_0
  7284  		y := v_1
  7285  		if !(shiftIsBounded(v)) {
  7286  			break
  7287  		}
  7288  		v.reset(OpRISCV64SRLW)
  7289  		v.AddArg2(x, y)
  7290  		return true
  7291  	}
  7292  	return false
  7293  }
  7294  func rewriteValueRISCV64_OpRsh32x16(v *Value) bool {
  7295  	v_1 := v.Args[1]
  7296  	v_0 := v.Args[0]
  7297  	b := v.Block
  7298  	typ := &b.Func.Config.Types
  7299  	// match: (Rsh32x16 <t> x y)
  7300  	// cond: !shiftIsBounded(v)
  7301  	// result: (SRAW <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [32] (ZeroExt16to64 y)))))
  7302  	for {
  7303  		t := v.Type
  7304  		x := v_0
  7305  		y := v_1
  7306  		if !(!shiftIsBounded(v)) {
  7307  			break
  7308  		}
  7309  		v.reset(OpRISCV64SRAW)
  7310  		v.Type = t
  7311  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7312  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7313  		v1.AuxInt = int64ToAuxInt(-1)
  7314  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7315  		v2.AuxInt = int64ToAuxInt(32)
  7316  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7317  		v3.AddArg(y)
  7318  		v2.AddArg(v3)
  7319  		v1.AddArg(v2)
  7320  		v0.AddArg2(y, v1)
  7321  		v.AddArg2(x, v0)
  7322  		return true
  7323  	}
  7324  	// match: (Rsh32x16 x y)
  7325  	// cond: shiftIsBounded(v)
  7326  	// result: (SRAW x y)
  7327  	for {
  7328  		x := v_0
  7329  		y := v_1
  7330  		if !(shiftIsBounded(v)) {
  7331  			break
  7332  		}
  7333  		v.reset(OpRISCV64SRAW)
  7334  		v.AddArg2(x, y)
  7335  		return true
  7336  	}
  7337  	return false
  7338  }
  7339  func rewriteValueRISCV64_OpRsh32x32(v *Value) bool {
  7340  	v_1 := v.Args[1]
  7341  	v_0 := v.Args[0]
  7342  	b := v.Block
  7343  	typ := &b.Func.Config.Types
  7344  	// match: (Rsh32x32 <t> x y)
  7345  	// cond: !shiftIsBounded(v)
  7346  	// result: (SRAW <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [32] (ZeroExt32to64 y)))))
  7347  	for {
  7348  		t := v.Type
  7349  		x := v_0
  7350  		y := v_1
  7351  		if !(!shiftIsBounded(v)) {
  7352  			break
  7353  		}
  7354  		v.reset(OpRISCV64SRAW)
  7355  		v.Type = t
  7356  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7357  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7358  		v1.AuxInt = int64ToAuxInt(-1)
  7359  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7360  		v2.AuxInt = int64ToAuxInt(32)
  7361  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  7362  		v3.AddArg(y)
  7363  		v2.AddArg(v3)
  7364  		v1.AddArg(v2)
  7365  		v0.AddArg2(y, v1)
  7366  		v.AddArg2(x, v0)
  7367  		return true
  7368  	}
  7369  	// match: (Rsh32x32 x y)
  7370  	// cond: shiftIsBounded(v)
  7371  	// result: (SRAW x y)
  7372  	for {
  7373  		x := v_0
  7374  		y := v_1
  7375  		if !(shiftIsBounded(v)) {
  7376  			break
  7377  		}
  7378  		v.reset(OpRISCV64SRAW)
  7379  		v.AddArg2(x, y)
  7380  		return true
  7381  	}
  7382  	return false
  7383  }
  7384  func rewriteValueRISCV64_OpRsh32x64(v *Value) bool {
  7385  	v_1 := v.Args[1]
  7386  	v_0 := v.Args[0]
  7387  	b := v.Block
  7388  	// match: (Rsh32x64 <t> x y)
  7389  	// cond: !shiftIsBounded(v)
  7390  	// result: (SRAW <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [32] y))))
  7391  	for {
  7392  		t := v.Type
  7393  		x := v_0
  7394  		y := v_1
  7395  		if !(!shiftIsBounded(v)) {
  7396  			break
  7397  		}
  7398  		v.reset(OpRISCV64SRAW)
  7399  		v.Type = t
  7400  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7401  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7402  		v1.AuxInt = int64ToAuxInt(-1)
  7403  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7404  		v2.AuxInt = int64ToAuxInt(32)
  7405  		v2.AddArg(y)
  7406  		v1.AddArg(v2)
  7407  		v0.AddArg2(y, v1)
  7408  		v.AddArg2(x, v0)
  7409  		return true
  7410  	}
  7411  	// match: (Rsh32x64 x y)
  7412  	// cond: shiftIsBounded(v)
  7413  	// result: (SRAW x y)
  7414  	for {
  7415  		x := v_0
  7416  		y := v_1
  7417  		if !(shiftIsBounded(v)) {
  7418  			break
  7419  		}
  7420  		v.reset(OpRISCV64SRAW)
  7421  		v.AddArg2(x, y)
  7422  		return true
  7423  	}
  7424  	return false
  7425  }
  7426  func rewriteValueRISCV64_OpRsh32x8(v *Value) bool {
  7427  	v_1 := v.Args[1]
  7428  	v_0 := v.Args[0]
  7429  	b := v.Block
  7430  	typ := &b.Func.Config.Types
  7431  	// match: (Rsh32x8 <t> x y)
  7432  	// cond: !shiftIsBounded(v)
  7433  	// result: (SRAW <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [32] (ZeroExt8to64 y)))))
  7434  	for {
  7435  		t := v.Type
  7436  		x := v_0
  7437  		y := v_1
  7438  		if !(!shiftIsBounded(v)) {
  7439  			break
  7440  		}
  7441  		v.reset(OpRISCV64SRAW)
  7442  		v.Type = t
  7443  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7444  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7445  		v1.AuxInt = int64ToAuxInt(-1)
  7446  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7447  		v2.AuxInt = int64ToAuxInt(32)
  7448  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7449  		v3.AddArg(y)
  7450  		v2.AddArg(v3)
  7451  		v1.AddArg(v2)
  7452  		v0.AddArg2(y, v1)
  7453  		v.AddArg2(x, v0)
  7454  		return true
  7455  	}
  7456  	// match: (Rsh32x8 x y)
  7457  	// cond: shiftIsBounded(v)
  7458  	// result: (SRAW x y)
  7459  	for {
  7460  		x := v_0
  7461  		y := v_1
  7462  		if !(shiftIsBounded(v)) {
  7463  			break
  7464  		}
  7465  		v.reset(OpRISCV64SRAW)
  7466  		v.AddArg2(x, y)
  7467  		return true
  7468  	}
  7469  	return false
  7470  }
  7471  func rewriteValueRISCV64_OpRsh64Ux16(v *Value) bool {
  7472  	v_1 := v.Args[1]
  7473  	v_0 := v.Args[0]
  7474  	b := v.Block
  7475  	typ := &b.Func.Config.Types
  7476  	// match: (Rsh64Ux16 <t> x y)
  7477  	// cond: !shiftIsBounded(v)
  7478  	// result: (AND (SRL <t> x y) (Neg64 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  7479  	for {
  7480  		t := v.Type
  7481  		x := v_0
  7482  		y := v_1
  7483  		if !(!shiftIsBounded(v)) {
  7484  			break
  7485  		}
  7486  		v.reset(OpRISCV64AND)
  7487  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7488  		v0.AddArg2(x, y)
  7489  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  7490  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7491  		v2.AuxInt = int64ToAuxInt(64)
  7492  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7493  		v3.AddArg(y)
  7494  		v2.AddArg(v3)
  7495  		v1.AddArg(v2)
  7496  		v.AddArg2(v0, v1)
  7497  		return true
  7498  	}
  7499  	// match: (Rsh64Ux16 x y)
  7500  	// cond: shiftIsBounded(v)
  7501  	// result: (SRL x y)
  7502  	for {
  7503  		x := v_0
  7504  		y := v_1
  7505  		if !(shiftIsBounded(v)) {
  7506  			break
  7507  		}
  7508  		v.reset(OpRISCV64SRL)
  7509  		v.AddArg2(x, y)
  7510  		return true
  7511  	}
  7512  	return false
  7513  }
  7514  func rewriteValueRISCV64_OpRsh64Ux32(v *Value) bool {
  7515  	v_1 := v.Args[1]
  7516  	v_0 := v.Args[0]
  7517  	b := v.Block
  7518  	typ := &b.Func.Config.Types
  7519  	// match: (Rsh64Ux32 <t> x y)
  7520  	// cond: !shiftIsBounded(v)
  7521  	// result: (AND (SRL <t> x y) (Neg64 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  7522  	for {
  7523  		t := v.Type
  7524  		x := v_0
  7525  		y := v_1
  7526  		if !(!shiftIsBounded(v)) {
  7527  			break
  7528  		}
  7529  		v.reset(OpRISCV64AND)
  7530  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7531  		v0.AddArg2(x, y)
  7532  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  7533  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7534  		v2.AuxInt = int64ToAuxInt(64)
  7535  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  7536  		v3.AddArg(y)
  7537  		v2.AddArg(v3)
  7538  		v1.AddArg(v2)
  7539  		v.AddArg2(v0, v1)
  7540  		return true
  7541  	}
  7542  	// match: (Rsh64Ux32 x y)
  7543  	// cond: shiftIsBounded(v)
  7544  	// result: (SRL x y)
  7545  	for {
  7546  		x := v_0
  7547  		y := v_1
  7548  		if !(shiftIsBounded(v)) {
  7549  			break
  7550  		}
  7551  		v.reset(OpRISCV64SRL)
  7552  		v.AddArg2(x, y)
  7553  		return true
  7554  	}
  7555  	return false
  7556  }
  7557  func rewriteValueRISCV64_OpRsh64Ux64(v *Value) bool {
  7558  	v_1 := v.Args[1]
  7559  	v_0 := v.Args[0]
  7560  	b := v.Block
  7561  	// match: (Rsh64Ux64 <t> x y)
  7562  	// cond: !shiftIsBounded(v)
  7563  	// result: (AND (SRL <t> x y) (Neg64 <t> (SLTIU <t> [64] y)))
  7564  	for {
  7565  		t := v.Type
  7566  		x := v_0
  7567  		y := v_1
  7568  		if !(!shiftIsBounded(v)) {
  7569  			break
  7570  		}
  7571  		v.reset(OpRISCV64AND)
  7572  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7573  		v0.AddArg2(x, y)
  7574  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  7575  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7576  		v2.AuxInt = int64ToAuxInt(64)
  7577  		v2.AddArg(y)
  7578  		v1.AddArg(v2)
  7579  		v.AddArg2(v0, v1)
  7580  		return true
  7581  	}
  7582  	// match: (Rsh64Ux64 x y)
  7583  	// cond: shiftIsBounded(v)
  7584  	// result: (SRL x y)
  7585  	for {
  7586  		x := v_0
  7587  		y := v_1
  7588  		if !(shiftIsBounded(v)) {
  7589  			break
  7590  		}
  7591  		v.reset(OpRISCV64SRL)
  7592  		v.AddArg2(x, y)
  7593  		return true
  7594  	}
  7595  	return false
  7596  }
  7597  func rewriteValueRISCV64_OpRsh64Ux8(v *Value) bool {
  7598  	v_1 := v.Args[1]
  7599  	v_0 := v.Args[0]
  7600  	b := v.Block
  7601  	typ := &b.Func.Config.Types
  7602  	// match: (Rsh64Ux8 <t> x y)
  7603  	// cond: !shiftIsBounded(v)
  7604  	// result: (AND (SRL <t> x y) (Neg64 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  7605  	for {
  7606  		t := v.Type
  7607  		x := v_0
  7608  		y := v_1
  7609  		if !(!shiftIsBounded(v)) {
  7610  			break
  7611  		}
  7612  		v.reset(OpRISCV64AND)
  7613  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7614  		v0.AddArg2(x, y)
  7615  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  7616  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7617  		v2.AuxInt = int64ToAuxInt(64)
  7618  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7619  		v3.AddArg(y)
  7620  		v2.AddArg(v3)
  7621  		v1.AddArg(v2)
  7622  		v.AddArg2(v0, v1)
  7623  		return true
  7624  	}
  7625  	// match: (Rsh64Ux8 x y)
  7626  	// cond: shiftIsBounded(v)
  7627  	// result: (SRL x y)
  7628  	for {
  7629  		x := v_0
  7630  		y := v_1
  7631  		if !(shiftIsBounded(v)) {
  7632  			break
  7633  		}
  7634  		v.reset(OpRISCV64SRL)
  7635  		v.AddArg2(x, y)
  7636  		return true
  7637  	}
  7638  	return false
  7639  }
  7640  func rewriteValueRISCV64_OpRsh64x16(v *Value) bool {
  7641  	v_1 := v.Args[1]
  7642  	v_0 := v.Args[0]
  7643  	b := v.Block
  7644  	typ := &b.Func.Config.Types
  7645  	// match: (Rsh64x16 <t> x y)
  7646  	// cond: !shiftIsBounded(v)
  7647  	// result: (SRA <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt16to64 y)))))
  7648  	for {
  7649  		t := v.Type
  7650  		x := v_0
  7651  		y := v_1
  7652  		if !(!shiftIsBounded(v)) {
  7653  			break
  7654  		}
  7655  		v.reset(OpRISCV64SRA)
  7656  		v.Type = t
  7657  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7658  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7659  		v1.AuxInt = int64ToAuxInt(-1)
  7660  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7661  		v2.AuxInt = int64ToAuxInt(64)
  7662  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7663  		v3.AddArg(y)
  7664  		v2.AddArg(v3)
  7665  		v1.AddArg(v2)
  7666  		v0.AddArg2(y, v1)
  7667  		v.AddArg2(x, v0)
  7668  		return true
  7669  	}
  7670  	// match: (Rsh64x16 x y)
  7671  	// cond: shiftIsBounded(v)
  7672  	// result: (SRA x y)
  7673  	for {
  7674  		x := v_0
  7675  		y := v_1
  7676  		if !(shiftIsBounded(v)) {
  7677  			break
  7678  		}
  7679  		v.reset(OpRISCV64SRA)
  7680  		v.AddArg2(x, y)
  7681  		return true
  7682  	}
  7683  	return false
  7684  }
  7685  func rewriteValueRISCV64_OpRsh64x32(v *Value) bool {
  7686  	v_1 := v.Args[1]
  7687  	v_0 := v.Args[0]
  7688  	b := v.Block
  7689  	typ := &b.Func.Config.Types
  7690  	// match: (Rsh64x32 <t> x y)
  7691  	// cond: !shiftIsBounded(v)
  7692  	// result: (SRA <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt32to64 y)))))
  7693  	for {
  7694  		t := v.Type
  7695  		x := v_0
  7696  		y := v_1
  7697  		if !(!shiftIsBounded(v)) {
  7698  			break
  7699  		}
  7700  		v.reset(OpRISCV64SRA)
  7701  		v.Type = t
  7702  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7703  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7704  		v1.AuxInt = int64ToAuxInt(-1)
  7705  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7706  		v2.AuxInt = int64ToAuxInt(64)
  7707  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  7708  		v3.AddArg(y)
  7709  		v2.AddArg(v3)
  7710  		v1.AddArg(v2)
  7711  		v0.AddArg2(y, v1)
  7712  		v.AddArg2(x, v0)
  7713  		return true
  7714  	}
  7715  	// match: (Rsh64x32 x y)
  7716  	// cond: shiftIsBounded(v)
  7717  	// result: (SRA x y)
  7718  	for {
  7719  		x := v_0
  7720  		y := v_1
  7721  		if !(shiftIsBounded(v)) {
  7722  			break
  7723  		}
  7724  		v.reset(OpRISCV64SRA)
  7725  		v.AddArg2(x, y)
  7726  		return true
  7727  	}
  7728  	return false
  7729  }
  7730  func rewriteValueRISCV64_OpRsh64x64(v *Value) bool {
  7731  	v_1 := v.Args[1]
  7732  	v_0 := v.Args[0]
  7733  	b := v.Block
  7734  	// match: (Rsh64x64 <t> x y)
  7735  	// cond: !shiftIsBounded(v)
  7736  	// result: (SRA <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] y))))
  7737  	for {
  7738  		t := v.Type
  7739  		x := v_0
  7740  		y := v_1
  7741  		if !(!shiftIsBounded(v)) {
  7742  			break
  7743  		}
  7744  		v.reset(OpRISCV64SRA)
  7745  		v.Type = t
  7746  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7747  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7748  		v1.AuxInt = int64ToAuxInt(-1)
  7749  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7750  		v2.AuxInt = int64ToAuxInt(64)
  7751  		v2.AddArg(y)
  7752  		v1.AddArg(v2)
  7753  		v0.AddArg2(y, v1)
  7754  		v.AddArg2(x, v0)
  7755  		return true
  7756  	}
  7757  	// match: (Rsh64x64 x y)
  7758  	// cond: shiftIsBounded(v)
  7759  	// result: (SRA x y)
  7760  	for {
  7761  		x := v_0
  7762  		y := v_1
  7763  		if !(shiftIsBounded(v)) {
  7764  			break
  7765  		}
  7766  		v.reset(OpRISCV64SRA)
  7767  		v.AddArg2(x, y)
  7768  		return true
  7769  	}
  7770  	return false
  7771  }
  7772  func rewriteValueRISCV64_OpRsh64x8(v *Value) bool {
  7773  	v_1 := v.Args[1]
  7774  	v_0 := v.Args[0]
  7775  	b := v.Block
  7776  	typ := &b.Func.Config.Types
  7777  	// match: (Rsh64x8 <t> x y)
  7778  	// cond: !shiftIsBounded(v)
  7779  	// result: (SRA <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt8to64 y)))))
  7780  	for {
  7781  		t := v.Type
  7782  		x := v_0
  7783  		y := v_1
  7784  		if !(!shiftIsBounded(v)) {
  7785  			break
  7786  		}
  7787  		v.reset(OpRISCV64SRA)
  7788  		v.Type = t
  7789  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7790  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7791  		v1.AuxInt = int64ToAuxInt(-1)
  7792  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7793  		v2.AuxInt = int64ToAuxInt(64)
  7794  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7795  		v3.AddArg(y)
  7796  		v2.AddArg(v3)
  7797  		v1.AddArg(v2)
  7798  		v0.AddArg2(y, v1)
  7799  		v.AddArg2(x, v0)
  7800  		return true
  7801  	}
  7802  	// match: (Rsh64x8 x y)
  7803  	// cond: shiftIsBounded(v)
  7804  	// result: (SRA x y)
  7805  	for {
  7806  		x := v_0
  7807  		y := v_1
  7808  		if !(shiftIsBounded(v)) {
  7809  			break
  7810  		}
  7811  		v.reset(OpRISCV64SRA)
  7812  		v.AddArg2(x, y)
  7813  		return true
  7814  	}
  7815  	return false
  7816  }
  7817  func rewriteValueRISCV64_OpRsh8Ux16(v *Value) bool {
  7818  	v_1 := v.Args[1]
  7819  	v_0 := v.Args[0]
  7820  	b := v.Block
  7821  	typ := &b.Func.Config.Types
  7822  	// match: (Rsh8Ux16 <t> x y)
  7823  	// cond: !shiftIsBounded(v)
  7824  	// result: (AND (SRL <t> (ZeroExt8to64 x) y) (Neg8 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  7825  	for {
  7826  		t := v.Type
  7827  		x := v_0
  7828  		y := v_1
  7829  		if !(!shiftIsBounded(v)) {
  7830  			break
  7831  		}
  7832  		v.reset(OpRISCV64AND)
  7833  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7834  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7835  		v1.AddArg(x)
  7836  		v0.AddArg2(v1, y)
  7837  		v2 := b.NewValue0(v.Pos, OpNeg8, t)
  7838  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7839  		v3.AuxInt = int64ToAuxInt(64)
  7840  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7841  		v4.AddArg(y)
  7842  		v3.AddArg(v4)
  7843  		v2.AddArg(v3)
  7844  		v.AddArg2(v0, v2)
  7845  		return true
  7846  	}
  7847  	// match: (Rsh8Ux16 x y)
  7848  	// cond: shiftIsBounded(v)
  7849  	// result: (SRL (ZeroExt8to64 x) y)
  7850  	for {
  7851  		x := v_0
  7852  		y := v_1
  7853  		if !(shiftIsBounded(v)) {
  7854  			break
  7855  		}
  7856  		v.reset(OpRISCV64SRL)
  7857  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7858  		v0.AddArg(x)
  7859  		v.AddArg2(v0, y)
  7860  		return true
  7861  	}
  7862  	return false
  7863  }
  7864  func rewriteValueRISCV64_OpRsh8Ux32(v *Value) bool {
  7865  	v_1 := v.Args[1]
  7866  	v_0 := v.Args[0]
  7867  	b := v.Block
  7868  	typ := &b.Func.Config.Types
  7869  	// match: (Rsh8Ux32 <t> x y)
  7870  	// cond: !shiftIsBounded(v)
  7871  	// result: (AND (SRL <t> (ZeroExt8to64 x) y) (Neg8 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  7872  	for {
  7873  		t := v.Type
  7874  		x := v_0
  7875  		y := v_1
  7876  		if !(!shiftIsBounded(v)) {
  7877  			break
  7878  		}
  7879  		v.reset(OpRISCV64AND)
  7880  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7881  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7882  		v1.AddArg(x)
  7883  		v0.AddArg2(v1, y)
  7884  		v2 := b.NewValue0(v.Pos, OpNeg8, t)
  7885  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7886  		v3.AuxInt = int64ToAuxInt(64)
  7887  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  7888  		v4.AddArg(y)
  7889  		v3.AddArg(v4)
  7890  		v2.AddArg(v3)
  7891  		v.AddArg2(v0, v2)
  7892  		return true
  7893  	}
  7894  	// match: (Rsh8Ux32 x y)
  7895  	// cond: shiftIsBounded(v)
  7896  	// result: (SRL (ZeroExt8to64 x) y)
  7897  	for {
  7898  		x := v_0
  7899  		y := v_1
  7900  		if !(shiftIsBounded(v)) {
  7901  			break
  7902  		}
  7903  		v.reset(OpRISCV64SRL)
  7904  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7905  		v0.AddArg(x)
  7906  		v.AddArg2(v0, y)
  7907  		return true
  7908  	}
  7909  	return false
  7910  }
  7911  func rewriteValueRISCV64_OpRsh8Ux64(v *Value) bool {
  7912  	v_1 := v.Args[1]
  7913  	v_0 := v.Args[0]
  7914  	b := v.Block
  7915  	typ := &b.Func.Config.Types
  7916  	// match: (Rsh8Ux64 <t> x y)
  7917  	// cond: !shiftIsBounded(v)
  7918  	// result: (AND (SRL <t> (ZeroExt8to64 x) y) (Neg8 <t> (SLTIU <t> [64] y)))
  7919  	for {
  7920  		t := v.Type
  7921  		x := v_0
  7922  		y := v_1
  7923  		if !(!shiftIsBounded(v)) {
  7924  			break
  7925  		}
  7926  		v.reset(OpRISCV64AND)
  7927  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7928  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7929  		v1.AddArg(x)
  7930  		v0.AddArg2(v1, y)
  7931  		v2 := b.NewValue0(v.Pos, OpNeg8, t)
  7932  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7933  		v3.AuxInt = int64ToAuxInt(64)
  7934  		v3.AddArg(y)
  7935  		v2.AddArg(v3)
  7936  		v.AddArg2(v0, v2)
  7937  		return true
  7938  	}
  7939  	// match: (Rsh8Ux64 x y)
  7940  	// cond: shiftIsBounded(v)
  7941  	// result: (SRL (ZeroExt8to64 x) y)
  7942  	for {
  7943  		x := v_0
  7944  		y := v_1
  7945  		if !(shiftIsBounded(v)) {
  7946  			break
  7947  		}
  7948  		v.reset(OpRISCV64SRL)
  7949  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7950  		v0.AddArg(x)
  7951  		v.AddArg2(v0, y)
  7952  		return true
  7953  	}
  7954  	return false
  7955  }
  7956  func rewriteValueRISCV64_OpRsh8Ux8(v *Value) bool {
  7957  	v_1 := v.Args[1]
  7958  	v_0 := v.Args[0]
  7959  	b := v.Block
  7960  	typ := &b.Func.Config.Types
  7961  	// match: (Rsh8Ux8 <t> x y)
  7962  	// cond: !shiftIsBounded(v)
  7963  	// result: (AND (SRL <t> (ZeroExt8to64 x) y) (Neg8 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  7964  	for {
  7965  		t := v.Type
  7966  		x := v_0
  7967  		y := v_1
  7968  		if !(!shiftIsBounded(v)) {
  7969  			break
  7970  		}
  7971  		v.reset(OpRISCV64AND)
  7972  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7973  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7974  		v1.AddArg(x)
  7975  		v0.AddArg2(v1, y)
  7976  		v2 := b.NewValue0(v.Pos, OpNeg8, t)
  7977  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7978  		v3.AuxInt = int64ToAuxInt(64)
  7979  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7980  		v4.AddArg(y)
  7981  		v3.AddArg(v4)
  7982  		v2.AddArg(v3)
  7983  		v.AddArg2(v0, v2)
  7984  		return true
  7985  	}
  7986  	// match: (Rsh8Ux8 x y)
  7987  	// cond: shiftIsBounded(v)
  7988  	// result: (SRL (ZeroExt8to64 x) y)
  7989  	for {
  7990  		x := v_0
  7991  		y := v_1
  7992  		if !(shiftIsBounded(v)) {
  7993  			break
  7994  		}
  7995  		v.reset(OpRISCV64SRL)
  7996  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7997  		v0.AddArg(x)
  7998  		v.AddArg2(v0, y)
  7999  		return true
  8000  	}
  8001  	return false
  8002  }
  8003  func rewriteValueRISCV64_OpRsh8x16(v *Value) bool {
  8004  	v_1 := v.Args[1]
  8005  	v_0 := v.Args[0]
  8006  	b := v.Block
  8007  	typ := &b.Func.Config.Types
  8008  	// match: (Rsh8x16 <t> x y)
  8009  	// cond: !shiftIsBounded(v)
  8010  	// result: (SRA <t> (SignExt8to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt16to64 y)))))
  8011  	for {
  8012  		t := v.Type
  8013  		x := v_0
  8014  		y := v_1
  8015  		if !(!shiftIsBounded(v)) {
  8016  			break
  8017  		}
  8018  		v.reset(OpRISCV64SRA)
  8019  		v.Type = t
  8020  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8021  		v0.AddArg(x)
  8022  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8023  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8024  		v2.AuxInt = int64ToAuxInt(-1)
  8025  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8026  		v3.AuxInt = int64ToAuxInt(64)
  8027  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  8028  		v4.AddArg(y)
  8029  		v3.AddArg(v4)
  8030  		v2.AddArg(v3)
  8031  		v1.AddArg2(y, v2)
  8032  		v.AddArg2(v0, v1)
  8033  		return true
  8034  	}
  8035  	// match: (Rsh8x16 x y)
  8036  	// cond: shiftIsBounded(v)
  8037  	// result: (SRA (SignExt8to64 x) y)
  8038  	for {
  8039  		x := v_0
  8040  		y := v_1
  8041  		if !(shiftIsBounded(v)) {
  8042  			break
  8043  		}
  8044  		v.reset(OpRISCV64SRA)
  8045  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8046  		v0.AddArg(x)
  8047  		v.AddArg2(v0, y)
  8048  		return true
  8049  	}
  8050  	return false
  8051  }
  8052  func rewriteValueRISCV64_OpRsh8x32(v *Value) bool {
  8053  	v_1 := v.Args[1]
  8054  	v_0 := v.Args[0]
  8055  	b := v.Block
  8056  	typ := &b.Func.Config.Types
  8057  	// match: (Rsh8x32 <t> x y)
  8058  	// cond: !shiftIsBounded(v)
  8059  	// result: (SRA <t> (SignExt8to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt32to64 y)))))
  8060  	for {
  8061  		t := v.Type
  8062  		x := v_0
  8063  		y := v_1
  8064  		if !(!shiftIsBounded(v)) {
  8065  			break
  8066  		}
  8067  		v.reset(OpRISCV64SRA)
  8068  		v.Type = t
  8069  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8070  		v0.AddArg(x)
  8071  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8072  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8073  		v2.AuxInt = int64ToAuxInt(-1)
  8074  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8075  		v3.AuxInt = int64ToAuxInt(64)
  8076  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  8077  		v4.AddArg(y)
  8078  		v3.AddArg(v4)
  8079  		v2.AddArg(v3)
  8080  		v1.AddArg2(y, v2)
  8081  		v.AddArg2(v0, v1)
  8082  		return true
  8083  	}
  8084  	// match: (Rsh8x32 x y)
  8085  	// cond: shiftIsBounded(v)
  8086  	// result: (SRA (SignExt8to64 x) y)
  8087  	for {
  8088  		x := v_0
  8089  		y := v_1
  8090  		if !(shiftIsBounded(v)) {
  8091  			break
  8092  		}
  8093  		v.reset(OpRISCV64SRA)
  8094  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8095  		v0.AddArg(x)
  8096  		v.AddArg2(v0, y)
  8097  		return true
  8098  	}
  8099  	return false
  8100  }
  8101  func rewriteValueRISCV64_OpRsh8x64(v *Value) bool {
  8102  	v_1 := v.Args[1]
  8103  	v_0 := v.Args[0]
  8104  	b := v.Block
  8105  	typ := &b.Func.Config.Types
  8106  	// match: (Rsh8x64 <t> x y)
  8107  	// cond: !shiftIsBounded(v)
  8108  	// result: (SRA <t> (SignExt8to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] y))))
  8109  	for {
  8110  		t := v.Type
  8111  		x := v_0
  8112  		y := v_1
  8113  		if !(!shiftIsBounded(v)) {
  8114  			break
  8115  		}
  8116  		v.reset(OpRISCV64SRA)
  8117  		v.Type = t
  8118  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8119  		v0.AddArg(x)
  8120  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8121  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8122  		v2.AuxInt = int64ToAuxInt(-1)
  8123  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8124  		v3.AuxInt = int64ToAuxInt(64)
  8125  		v3.AddArg(y)
  8126  		v2.AddArg(v3)
  8127  		v1.AddArg2(y, v2)
  8128  		v.AddArg2(v0, v1)
  8129  		return true
  8130  	}
  8131  	// match: (Rsh8x64 x y)
  8132  	// cond: shiftIsBounded(v)
  8133  	// result: (SRA (SignExt8to64 x) y)
  8134  	for {
  8135  		x := v_0
  8136  		y := v_1
  8137  		if !(shiftIsBounded(v)) {
  8138  			break
  8139  		}
  8140  		v.reset(OpRISCV64SRA)
  8141  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8142  		v0.AddArg(x)
  8143  		v.AddArg2(v0, y)
  8144  		return true
  8145  	}
  8146  	return false
  8147  }
  8148  func rewriteValueRISCV64_OpRsh8x8(v *Value) bool {
  8149  	v_1 := v.Args[1]
  8150  	v_0 := v.Args[0]
  8151  	b := v.Block
  8152  	typ := &b.Func.Config.Types
  8153  	// match: (Rsh8x8 <t> x y)
  8154  	// cond: !shiftIsBounded(v)
  8155  	// result: (SRA <t> (SignExt8to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt8to64 y)))))
  8156  	for {
  8157  		t := v.Type
  8158  		x := v_0
  8159  		y := v_1
  8160  		if !(!shiftIsBounded(v)) {
  8161  			break
  8162  		}
  8163  		v.reset(OpRISCV64SRA)
  8164  		v.Type = t
  8165  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8166  		v0.AddArg(x)
  8167  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8168  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8169  		v2.AuxInt = int64ToAuxInt(-1)
  8170  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8171  		v3.AuxInt = int64ToAuxInt(64)
  8172  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8173  		v4.AddArg(y)
  8174  		v3.AddArg(v4)
  8175  		v2.AddArg(v3)
  8176  		v1.AddArg2(y, v2)
  8177  		v.AddArg2(v0, v1)
  8178  		return true
  8179  	}
  8180  	// match: (Rsh8x8 x y)
  8181  	// cond: shiftIsBounded(v)
  8182  	// result: (SRA (SignExt8to64 x) y)
  8183  	for {
  8184  		x := v_0
  8185  		y := v_1
  8186  		if !(shiftIsBounded(v)) {
  8187  			break
  8188  		}
  8189  		v.reset(OpRISCV64SRA)
  8190  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8191  		v0.AddArg(x)
  8192  		v.AddArg2(v0, y)
  8193  		return true
  8194  	}
  8195  	return false
  8196  }
  8197  func rewriteValueRISCV64_OpSelect0(v *Value) bool {
  8198  	v_0 := v.Args[0]
  8199  	b := v.Block
  8200  	typ := &b.Func.Config.Types
  8201  	// match: (Select0 (Add64carry x y c))
  8202  	// result: (ADD (ADD <typ.UInt64> x y) c)
  8203  	for {
  8204  		if v_0.Op != OpAdd64carry {
  8205  			break
  8206  		}
  8207  		c := v_0.Args[2]
  8208  		x := v_0.Args[0]
  8209  		y := v_0.Args[1]
  8210  		v.reset(OpRISCV64ADD)
  8211  		v0 := b.NewValue0(v.Pos, OpRISCV64ADD, typ.UInt64)
  8212  		v0.AddArg2(x, y)
  8213  		v.AddArg2(v0, c)
  8214  		return true
  8215  	}
  8216  	// match: (Select0 (Sub64borrow x y c))
  8217  	// result: (SUB (SUB <typ.UInt64> x y) c)
  8218  	for {
  8219  		if v_0.Op != OpSub64borrow {
  8220  			break
  8221  		}
  8222  		c := v_0.Args[2]
  8223  		x := v_0.Args[0]
  8224  		y := v_0.Args[1]
  8225  		v.reset(OpRISCV64SUB)
  8226  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, typ.UInt64)
  8227  		v0.AddArg2(x, y)
  8228  		v.AddArg2(v0, c)
  8229  		return true
  8230  	}
  8231  	// match: (Select0 m:(LoweredMuluhilo x y))
  8232  	// cond: m.Uses == 1
  8233  	// result: (MULHU x y)
  8234  	for {
  8235  		m := v_0
  8236  		if m.Op != OpRISCV64LoweredMuluhilo {
  8237  			break
  8238  		}
  8239  		y := m.Args[1]
  8240  		x := m.Args[0]
  8241  		if !(m.Uses == 1) {
  8242  			break
  8243  		}
  8244  		v.reset(OpRISCV64MULHU)
  8245  		v.AddArg2(x, y)
  8246  		return true
  8247  	}
  8248  	return false
  8249  }
  8250  func rewriteValueRISCV64_OpSelect1(v *Value) bool {
  8251  	v_0 := v.Args[0]
  8252  	b := v.Block
  8253  	typ := &b.Func.Config.Types
  8254  	// match: (Select1 (Add64carry x y c))
  8255  	// result: (OR (SLTU <typ.UInt64> s:(ADD <typ.UInt64> x y) x) (SLTU <typ.UInt64> (ADD <typ.UInt64> s c) s))
  8256  	for {
  8257  		if v_0.Op != OpAdd64carry {
  8258  			break
  8259  		}
  8260  		c := v_0.Args[2]
  8261  		x := v_0.Args[0]
  8262  		y := v_0.Args[1]
  8263  		v.reset(OpRISCV64OR)
  8264  		v0 := b.NewValue0(v.Pos, OpRISCV64SLTU, typ.UInt64)
  8265  		s := b.NewValue0(v.Pos, OpRISCV64ADD, typ.UInt64)
  8266  		s.AddArg2(x, y)
  8267  		v0.AddArg2(s, x)
  8268  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTU, typ.UInt64)
  8269  		v3 := b.NewValue0(v.Pos, OpRISCV64ADD, typ.UInt64)
  8270  		v3.AddArg2(s, c)
  8271  		v2.AddArg2(v3, s)
  8272  		v.AddArg2(v0, v2)
  8273  		return true
  8274  	}
  8275  	// match: (Select1 (Sub64borrow x y c))
  8276  	// result: (OR (SLTU <typ.UInt64> x s:(SUB <typ.UInt64> x y)) (SLTU <typ.UInt64> s (SUB <typ.UInt64> s c)))
  8277  	for {
  8278  		if v_0.Op != OpSub64borrow {
  8279  			break
  8280  		}
  8281  		c := v_0.Args[2]
  8282  		x := v_0.Args[0]
  8283  		y := v_0.Args[1]
  8284  		v.reset(OpRISCV64OR)
  8285  		v0 := b.NewValue0(v.Pos, OpRISCV64SLTU, typ.UInt64)
  8286  		s := b.NewValue0(v.Pos, OpRISCV64SUB, typ.UInt64)
  8287  		s.AddArg2(x, y)
  8288  		v0.AddArg2(x, s)
  8289  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTU, typ.UInt64)
  8290  		v3 := b.NewValue0(v.Pos, OpRISCV64SUB, typ.UInt64)
  8291  		v3.AddArg2(s, c)
  8292  		v2.AddArg2(s, v3)
  8293  		v.AddArg2(v0, v2)
  8294  		return true
  8295  	}
  8296  	// match: (Select1 m:(LoweredMuluhilo x y))
  8297  	// cond: m.Uses == 1
  8298  	// result: (MUL x y)
  8299  	for {
  8300  		m := v_0
  8301  		if m.Op != OpRISCV64LoweredMuluhilo {
  8302  			break
  8303  		}
  8304  		y := m.Args[1]
  8305  		x := m.Args[0]
  8306  		if !(m.Uses == 1) {
  8307  			break
  8308  		}
  8309  		v.reset(OpRISCV64MUL)
  8310  		v.AddArg2(x, y)
  8311  		return true
  8312  	}
  8313  	return false
  8314  }
  8315  func rewriteValueRISCV64_OpSlicemask(v *Value) bool {
  8316  	v_0 := v.Args[0]
  8317  	b := v.Block
  8318  	// match: (Slicemask <t> x)
  8319  	// result: (SRAI [63] (NEG <t> x))
  8320  	for {
  8321  		t := v.Type
  8322  		x := v_0
  8323  		v.reset(OpRISCV64SRAI)
  8324  		v.AuxInt = int64ToAuxInt(63)
  8325  		v0 := b.NewValue0(v.Pos, OpRISCV64NEG, t)
  8326  		v0.AddArg(x)
  8327  		v.AddArg(v0)
  8328  		return true
  8329  	}
  8330  }
  8331  func rewriteValueRISCV64_OpStore(v *Value) bool {
  8332  	v_2 := v.Args[2]
  8333  	v_1 := v.Args[1]
  8334  	v_0 := v.Args[0]
  8335  	// match: (Store {t} ptr val mem)
  8336  	// cond: t.Size() == 1
  8337  	// result: (MOVBstore ptr val mem)
  8338  	for {
  8339  		t := auxToType(v.Aux)
  8340  		ptr := v_0
  8341  		val := v_1
  8342  		mem := v_2
  8343  		if !(t.Size() == 1) {
  8344  			break
  8345  		}
  8346  		v.reset(OpRISCV64MOVBstore)
  8347  		v.AddArg3(ptr, val, mem)
  8348  		return true
  8349  	}
  8350  	// match: (Store {t} ptr val mem)
  8351  	// cond: t.Size() == 2
  8352  	// result: (MOVHstore ptr val mem)
  8353  	for {
  8354  		t := auxToType(v.Aux)
  8355  		ptr := v_0
  8356  		val := v_1
  8357  		mem := v_2
  8358  		if !(t.Size() == 2) {
  8359  			break
  8360  		}
  8361  		v.reset(OpRISCV64MOVHstore)
  8362  		v.AddArg3(ptr, val, mem)
  8363  		return true
  8364  	}
  8365  	// match: (Store {t} ptr val mem)
  8366  	// cond: t.Size() == 4 && !t.IsFloat()
  8367  	// result: (MOVWstore ptr val mem)
  8368  	for {
  8369  		t := auxToType(v.Aux)
  8370  		ptr := v_0
  8371  		val := v_1
  8372  		mem := v_2
  8373  		if !(t.Size() == 4 && !t.IsFloat()) {
  8374  			break
  8375  		}
  8376  		v.reset(OpRISCV64MOVWstore)
  8377  		v.AddArg3(ptr, val, mem)
  8378  		return true
  8379  	}
  8380  	// match: (Store {t} ptr val mem)
  8381  	// cond: t.Size() == 8 && !t.IsFloat()
  8382  	// result: (MOVDstore ptr val mem)
  8383  	for {
  8384  		t := auxToType(v.Aux)
  8385  		ptr := v_0
  8386  		val := v_1
  8387  		mem := v_2
  8388  		if !(t.Size() == 8 && !t.IsFloat()) {
  8389  			break
  8390  		}
  8391  		v.reset(OpRISCV64MOVDstore)
  8392  		v.AddArg3(ptr, val, mem)
  8393  		return true
  8394  	}
  8395  	// match: (Store {t} ptr val mem)
  8396  	// cond: t.Size() == 4 && t.IsFloat()
  8397  	// result: (FMOVWstore ptr val mem)
  8398  	for {
  8399  		t := auxToType(v.Aux)
  8400  		ptr := v_0
  8401  		val := v_1
  8402  		mem := v_2
  8403  		if !(t.Size() == 4 && t.IsFloat()) {
  8404  			break
  8405  		}
  8406  		v.reset(OpRISCV64FMOVWstore)
  8407  		v.AddArg3(ptr, val, mem)
  8408  		return true
  8409  	}
  8410  	// match: (Store {t} ptr val mem)
  8411  	// cond: t.Size() == 8 && t.IsFloat()
  8412  	// result: (FMOVDstore ptr val mem)
  8413  	for {
  8414  		t := auxToType(v.Aux)
  8415  		ptr := v_0
  8416  		val := v_1
  8417  		mem := v_2
  8418  		if !(t.Size() == 8 && t.IsFloat()) {
  8419  			break
  8420  		}
  8421  		v.reset(OpRISCV64FMOVDstore)
  8422  		v.AddArg3(ptr, val, mem)
  8423  		return true
  8424  	}
  8425  	return false
  8426  }
  8427  func rewriteValueRISCV64_OpZero(v *Value) bool {
  8428  	v_1 := v.Args[1]
  8429  	v_0 := v.Args[0]
  8430  	b := v.Block
  8431  	config := b.Func.Config
  8432  	typ := &b.Func.Config.Types
  8433  	// match: (Zero [0] _ mem)
  8434  	// result: mem
  8435  	for {
  8436  		if auxIntToInt64(v.AuxInt) != 0 {
  8437  			break
  8438  		}
  8439  		mem := v_1
  8440  		v.copyOf(mem)
  8441  		return true
  8442  	}
  8443  	// match: (Zero [1] ptr mem)
  8444  	// result: (MOVBstore ptr (MOVDconst [0]) mem)
  8445  	for {
  8446  		if auxIntToInt64(v.AuxInt) != 1 {
  8447  			break
  8448  		}
  8449  		ptr := v_0
  8450  		mem := v_1
  8451  		v.reset(OpRISCV64MOVBstore)
  8452  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8453  		v0.AuxInt = int64ToAuxInt(0)
  8454  		v.AddArg3(ptr, v0, mem)
  8455  		return true
  8456  	}
  8457  	// match: (Zero [2] {t} ptr mem)
  8458  	// cond: t.Alignment()%2 == 0
  8459  	// result: (MOVHstore ptr (MOVDconst [0]) mem)
  8460  	for {
  8461  		if auxIntToInt64(v.AuxInt) != 2 {
  8462  			break
  8463  		}
  8464  		t := auxToType(v.Aux)
  8465  		ptr := v_0
  8466  		mem := v_1
  8467  		if !(t.Alignment()%2 == 0) {
  8468  			break
  8469  		}
  8470  		v.reset(OpRISCV64MOVHstore)
  8471  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8472  		v0.AuxInt = int64ToAuxInt(0)
  8473  		v.AddArg3(ptr, v0, mem)
  8474  		return true
  8475  	}
  8476  	// match: (Zero [2] ptr mem)
  8477  	// result: (MOVBstore [1] ptr (MOVDconst [0]) (MOVBstore ptr (MOVDconst [0]) mem))
  8478  	for {
  8479  		if auxIntToInt64(v.AuxInt) != 2 {
  8480  			break
  8481  		}
  8482  		ptr := v_0
  8483  		mem := v_1
  8484  		v.reset(OpRISCV64MOVBstore)
  8485  		v.AuxInt = int32ToAuxInt(1)
  8486  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8487  		v0.AuxInt = int64ToAuxInt(0)
  8488  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  8489  		v1.AddArg3(ptr, v0, mem)
  8490  		v.AddArg3(ptr, v0, v1)
  8491  		return true
  8492  	}
  8493  	// match: (Zero [4] {t} ptr mem)
  8494  	// cond: t.Alignment()%4 == 0
  8495  	// result: (MOVWstore ptr (MOVDconst [0]) mem)
  8496  	for {
  8497  		if auxIntToInt64(v.AuxInt) != 4 {
  8498  			break
  8499  		}
  8500  		t := auxToType(v.Aux)
  8501  		ptr := v_0
  8502  		mem := v_1
  8503  		if !(t.Alignment()%4 == 0) {
  8504  			break
  8505  		}
  8506  		v.reset(OpRISCV64MOVWstore)
  8507  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8508  		v0.AuxInt = int64ToAuxInt(0)
  8509  		v.AddArg3(ptr, v0, mem)
  8510  		return true
  8511  	}
  8512  	// match: (Zero [4] {t} ptr mem)
  8513  	// cond: t.Alignment()%2 == 0
  8514  	// result: (MOVHstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem))
  8515  	for {
  8516  		if auxIntToInt64(v.AuxInt) != 4 {
  8517  			break
  8518  		}
  8519  		t := auxToType(v.Aux)
  8520  		ptr := v_0
  8521  		mem := v_1
  8522  		if !(t.Alignment()%2 == 0) {
  8523  			break
  8524  		}
  8525  		v.reset(OpRISCV64MOVHstore)
  8526  		v.AuxInt = int32ToAuxInt(2)
  8527  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8528  		v0.AuxInt = int64ToAuxInt(0)
  8529  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  8530  		v1.AddArg3(ptr, v0, mem)
  8531  		v.AddArg3(ptr, v0, v1)
  8532  		return true
  8533  	}
  8534  	// match: (Zero [4] ptr mem)
  8535  	// result: (MOVBstore [3] ptr (MOVDconst [0]) (MOVBstore [2] ptr (MOVDconst [0]) (MOVBstore [1] ptr (MOVDconst [0]) (MOVBstore ptr (MOVDconst [0]) mem))))
  8536  	for {
  8537  		if auxIntToInt64(v.AuxInt) != 4 {
  8538  			break
  8539  		}
  8540  		ptr := v_0
  8541  		mem := v_1
  8542  		v.reset(OpRISCV64MOVBstore)
  8543  		v.AuxInt = int32ToAuxInt(3)
  8544  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8545  		v0.AuxInt = int64ToAuxInt(0)
  8546  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  8547  		v1.AuxInt = int32ToAuxInt(2)
  8548  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  8549  		v2.AuxInt = int32ToAuxInt(1)
  8550  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  8551  		v3.AddArg3(ptr, v0, mem)
  8552  		v2.AddArg3(ptr, v0, v3)
  8553  		v1.AddArg3(ptr, v0, v2)
  8554  		v.AddArg3(ptr, v0, v1)
  8555  		return true
  8556  	}
  8557  	// match: (Zero [8] {t} ptr mem)
  8558  	// cond: t.Alignment()%8 == 0
  8559  	// result: (MOVDstore ptr (MOVDconst [0]) mem)
  8560  	for {
  8561  		if auxIntToInt64(v.AuxInt) != 8 {
  8562  			break
  8563  		}
  8564  		t := auxToType(v.Aux)
  8565  		ptr := v_0
  8566  		mem := v_1
  8567  		if !(t.Alignment()%8 == 0) {
  8568  			break
  8569  		}
  8570  		v.reset(OpRISCV64MOVDstore)
  8571  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8572  		v0.AuxInt = int64ToAuxInt(0)
  8573  		v.AddArg3(ptr, v0, mem)
  8574  		return true
  8575  	}
  8576  	// match: (Zero [8] {t} ptr mem)
  8577  	// cond: t.Alignment()%4 == 0
  8578  	// result: (MOVWstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
  8579  	for {
  8580  		if auxIntToInt64(v.AuxInt) != 8 {
  8581  			break
  8582  		}
  8583  		t := auxToType(v.Aux)
  8584  		ptr := v_0
  8585  		mem := v_1
  8586  		if !(t.Alignment()%4 == 0) {
  8587  			break
  8588  		}
  8589  		v.reset(OpRISCV64MOVWstore)
  8590  		v.AuxInt = int32ToAuxInt(4)
  8591  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8592  		v0.AuxInt = int64ToAuxInt(0)
  8593  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVWstore, types.TypeMem)
  8594  		v1.AddArg3(ptr, v0, mem)
  8595  		v.AddArg3(ptr, v0, v1)
  8596  		return true
  8597  	}
  8598  	// match: (Zero [8] {t} ptr mem)
  8599  	// cond: t.Alignment()%2 == 0
  8600  	// result: (MOVHstore [6] ptr (MOVDconst [0]) (MOVHstore [4] ptr (MOVDconst [0]) (MOVHstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem))))
  8601  	for {
  8602  		if auxIntToInt64(v.AuxInt) != 8 {
  8603  			break
  8604  		}
  8605  		t := auxToType(v.Aux)
  8606  		ptr := v_0
  8607  		mem := v_1
  8608  		if !(t.Alignment()%2 == 0) {
  8609  			break
  8610  		}
  8611  		v.reset(OpRISCV64MOVHstore)
  8612  		v.AuxInt = int32ToAuxInt(6)
  8613  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8614  		v0.AuxInt = int64ToAuxInt(0)
  8615  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  8616  		v1.AuxInt = int32ToAuxInt(4)
  8617  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  8618  		v2.AuxInt = int32ToAuxInt(2)
  8619  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  8620  		v3.AddArg3(ptr, v0, mem)
  8621  		v2.AddArg3(ptr, v0, v3)
  8622  		v1.AddArg3(ptr, v0, v2)
  8623  		v.AddArg3(ptr, v0, v1)
  8624  		return true
  8625  	}
  8626  	// match: (Zero [3] ptr mem)
  8627  	// result: (MOVBstore [2] ptr (MOVDconst [0]) (MOVBstore [1] ptr (MOVDconst [0]) (MOVBstore ptr (MOVDconst [0]) mem)))
  8628  	for {
  8629  		if auxIntToInt64(v.AuxInt) != 3 {
  8630  			break
  8631  		}
  8632  		ptr := v_0
  8633  		mem := v_1
  8634  		v.reset(OpRISCV64MOVBstore)
  8635  		v.AuxInt = int32ToAuxInt(2)
  8636  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8637  		v0.AuxInt = int64ToAuxInt(0)
  8638  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  8639  		v1.AuxInt = int32ToAuxInt(1)
  8640  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  8641  		v2.AddArg3(ptr, v0, mem)
  8642  		v1.AddArg3(ptr, v0, v2)
  8643  		v.AddArg3(ptr, v0, v1)
  8644  		return true
  8645  	}
  8646  	// match: (Zero [6] {t} ptr mem)
  8647  	// cond: t.Alignment()%2 == 0
  8648  	// result: (MOVHstore [4] ptr (MOVDconst [0]) (MOVHstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem)))
  8649  	for {
  8650  		if auxIntToInt64(v.AuxInt) != 6 {
  8651  			break
  8652  		}
  8653  		t := auxToType(v.Aux)
  8654  		ptr := v_0
  8655  		mem := v_1
  8656  		if !(t.Alignment()%2 == 0) {
  8657  			break
  8658  		}
  8659  		v.reset(OpRISCV64MOVHstore)
  8660  		v.AuxInt = int32ToAuxInt(4)
  8661  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8662  		v0.AuxInt = int64ToAuxInt(0)
  8663  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  8664  		v1.AuxInt = int32ToAuxInt(2)
  8665  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  8666  		v2.AddArg3(ptr, v0, mem)
  8667  		v1.AddArg3(ptr, v0, v2)
  8668  		v.AddArg3(ptr, v0, v1)
  8669  		return true
  8670  	}
  8671  	// match: (Zero [12] {t} ptr mem)
  8672  	// cond: t.Alignment()%4 == 0
  8673  	// result: (MOVWstore [8] ptr (MOVDconst [0]) (MOVWstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem)))
  8674  	for {
  8675  		if auxIntToInt64(v.AuxInt) != 12 {
  8676  			break
  8677  		}
  8678  		t := auxToType(v.Aux)
  8679  		ptr := v_0
  8680  		mem := v_1
  8681  		if !(t.Alignment()%4 == 0) {
  8682  			break
  8683  		}
  8684  		v.reset(OpRISCV64MOVWstore)
  8685  		v.AuxInt = int32ToAuxInt(8)
  8686  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8687  		v0.AuxInt = int64ToAuxInt(0)
  8688  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVWstore, types.TypeMem)
  8689  		v1.AuxInt = int32ToAuxInt(4)
  8690  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVWstore, types.TypeMem)
  8691  		v2.AddArg3(ptr, v0, mem)
  8692  		v1.AddArg3(ptr, v0, v2)
  8693  		v.AddArg3(ptr, v0, v1)
  8694  		return true
  8695  	}
  8696  	// match: (Zero [16] {t} ptr mem)
  8697  	// cond: t.Alignment()%8 == 0
  8698  	// result: (MOVDstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
  8699  	for {
  8700  		if auxIntToInt64(v.AuxInt) != 16 {
  8701  			break
  8702  		}
  8703  		t := auxToType(v.Aux)
  8704  		ptr := v_0
  8705  		mem := v_1
  8706  		if !(t.Alignment()%8 == 0) {
  8707  			break
  8708  		}
  8709  		v.reset(OpRISCV64MOVDstore)
  8710  		v.AuxInt = int32ToAuxInt(8)
  8711  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8712  		v0.AuxInt = int64ToAuxInt(0)
  8713  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  8714  		v1.AddArg3(ptr, v0, mem)
  8715  		v.AddArg3(ptr, v0, v1)
  8716  		return true
  8717  	}
  8718  	// match: (Zero [24] {t} ptr mem)
  8719  	// cond: t.Alignment()%8 == 0
  8720  	// result: (MOVDstore [16] ptr (MOVDconst [0]) (MOVDstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem)))
  8721  	for {
  8722  		if auxIntToInt64(v.AuxInt) != 24 {
  8723  			break
  8724  		}
  8725  		t := auxToType(v.Aux)
  8726  		ptr := v_0
  8727  		mem := v_1
  8728  		if !(t.Alignment()%8 == 0) {
  8729  			break
  8730  		}
  8731  		v.reset(OpRISCV64MOVDstore)
  8732  		v.AuxInt = int32ToAuxInt(16)
  8733  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8734  		v0.AuxInt = int64ToAuxInt(0)
  8735  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  8736  		v1.AuxInt = int32ToAuxInt(8)
  8737  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  8738  		v2.AddArg3(ptr, v0, mem)
  8739  		v1.AddArg3(ptr, v0, v2)
  8740  		v.AddArg3(ptr, v0, v1)
  8741  		return true
  8742  	}
  8743  	// match: (Zero [32] {t} ptr mem)
  8744  	// cond: t.Alignment()%8 == 0
  8745  	// result: (MOVDstore [24] ptr (MOVDconst [0]) (MOVDstore [16] ptr (MOVDconst [0]) (MOVDstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))))
  8746  	for {
  8747  		if auxIntToInt64(v.AuxInt) != 32 {
  8748  			break
  8749  		}
  8750  		t := auxToType(v.Aux)
  8751  		ptr := v_0
  8752  		mem := v_1
  8753  		if !(t.Alignment()%8 == 0) {
  8754  			break
  8755  		}
  8756  		v.reset(OpRISCV64MOVDstore)
  8757  		v.AuxInt = int32ToAuxInt(24)
  8758  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8759  		v0.AuxInt = int64ToAuxInt(0)
  8760  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  8761  		v1.AuxInt = int32ToAuxInt(16)
  8762  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  8763  		v2.AuxInt = int32ToAuxInt(8)
  8764  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  8765  		v3.AddArg3(ptr, v0, mem)
  8766  		v2.AddArg3(ptr, v0, v3)
  8767  		v1.AddArg3(ptr, v0, v2)
  8768  		v.AddArg3(ptr, v0, v1)
  8769  		return true
  8770  	}
  8771  	// match: (Zero [s] {t} ptr mem)
  8772  	// cond: s%8 == 0 && s <= 8*128 && t.Alignment()%8 == 0 && !config.noDuffDevice
  8773  	// result: (DUFFZERO [8 * (128 - s/8)] ptr mem)
  8774  	for {
  8775  		s := auxIntToInt64(v.AuxInt)
  8776  		t := auxToType(v.Aux)
  8777  		ptr := v_0
  8778  		mem := v_1
  8779  		if !(s%8 == 0 && s <= 8*128 && t.Alignment()%8 == 0 && !config.noDuffDevice) {
  8780  			break
  8781  		}
  8782  		v.reset(OpRISCV64DUFFZERO)
  8783  		v.AuxInt = int64ToAuxInt(8 * (128 - s/8))
  8784  		v.AddArg2(ptr, mem)
  8785  		return true
  8786  	}
  8787  	// match: (Zero [s] {t} ptr mem)
  8788  	// result: (LoweredZero [t.Alignment()] ptr (ADD <ptr.Type> ptr (MOVDconst [s-moveSize(t.Alignment(), config)])) mem)
  8789  	for {
  8790  		s := auxIntToInt64(v.AuxInt)
  8791  		t := auxToType(v.Aux)
  8792  		ptr := v_0
  8793  		mem := v_1
  8794  		v.reset(OpRISCV64LoweredZero)
  8795  		v.AuxInt = int64ToAuxInt(t.Alignment())
  8796  		v0 := b.NewValue0(v.Pos, OpRISCV64ADD, ptr.Type)
  8797  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8798  		v1.AuxInt = int64ToAuxInt(s - moveSize(t.Alignment(), config))
  8799  		v0.AddArg2(ptr, v1)
  8800  		v.AddArg3(ptr, v0, mem)
  8801  		return true
  8802  	}
  8803  }
  8804  func rewriteBlockRISCV64(b *Block) bool {
  8805  	typ := &b.Func.Config.Types
  8806  	switch b.Kind {
  8807  	case BlockRISCV64BEQ:
  8808  		// match: (BEQ (MOVDconst [0]) cond yes no)
  8809  		// result: (BEQZ cond yes no)
  8810  		for b.Controls[0].Op == OpRISCV64MOVDconst {
  8811  			v_0 := b.Controls[0]
  8812  			if auxIntToInt64(v_0.AuxInt) != 0 {
  8813  				break
  8814  			}
  8815  			cond := b.Controls[1]
  8816  			b.resetWithControl(BlockRISCV64BEQZ, cond)
  8817  			return true
  8818  		}
  8819  		// match: (BEQ cond (MOVDconst [0]) yes no)
  8820  		// result: (BEQZ cond yes no)
  8821  		for b.Controls[1].Op == OpRISCV64MOVDconst {
  8822  			cond := b.Controls[0]
  8823  			v_1 := b.Controls[1]
  8824  			if auxIntToInt64(v_1.AuxInt) != 0 {
  8825  				break
  8826  			}
  8827  			b.resetWithControl(BlockRISCV64BEQZ, cond)
  8828  			return true
  8829  		}
  8830  	case BlockRISCV64BEQZ:
  8831  		// match: (BEQZ (SEQZ x) yes no)
  8832  		// result: (BNEZ x yes no)
  8833  		for b.Controls[0].Op == OpRISCV64SEQZ {
  8834  			v_0 := b.Controls[0]
  8835  			x := v_0.Args[0]
  8836  			b.resetWithControl(BlockRISCV64BNEZ, x)
  8837  			return true
  8838  		}
  8839  		// match: (BEQZ (SNEZ x) yes no)
  8840  		// result: (BEQZ x yes no)
  8841  		for b.Controls[0].Op == OpRISCV64SNEZ {
  8842  			v_0 := b.Controls[0]
  8843  			x := v_0.Args[0]
  8844  			b.resetWithControl(BlockRISCV64BEQZ, x)
  8845  			return true
  8846  		}
  8847  		// match: (BEQZ (NEG x) yes no)
  8848  		// result: (BEQZ x yes no)
  8849  		for b.Controls[0].Op == OpRISCV64NEG {
  8850  			v_0 := b.Controls[0]
  8851  			x := v_0.Args[0]
  8852  			b.resetWithControl(BlockRISCV64BEQZ, x)
  8853  			return true
  8854  		}
  8855  		// match: (BEQZ (FNES <t> x y) yes no)
  8856  		// result: (BNEZ (FEQS <t> x y) yes no)
  8857  		for b.Controls[0].Op == OpRISCV64FNES {
  8858  			v_0 := b.Controls[0]
  8859  			t := v_0.Type
  8860  			_ = v_0.Args[1]
  8861  			v_0_0 := v_0.Args[0]
  8862  			v_0_1 := v_0.Args[1]
  8863  			for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 {
  8864  				x := v_0_0
  8865  				y := v_0_1
  8866  				v0 := b.NewValue0(v_0.Pos, OpRISCV64FEQS, t)
  8867  				v0.AddArg2(x, y)
  8868  				b.resetWithControl(BlockRISCV64BNEZ, v0)
  8869  				return true
  8870  			}
  8871  		}
  8872  		// match: (BEQZ (FNED <t> x y) yes no)
  8873  		// result: (BNEZ (FEQD <t> x y) yes no)
  8874  		for b.Controls[0].Op == OpRISCV64FNED {
  8875  			v_0 := b.Controls[0]
  8876  			t := v_0.Type
  8877  			_ = v_0.Args[1]
  8878  			v_0_0 := v_0.Args[0]
  8879  			v_0_1 := v_0.Args[1]
  8880  			for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 {
  8881  				x := v_0_0
  8882  				y := v_0_1
  8883  				v0 := b.NewValue0(v_0.Pos, OpRISCV64FEQD, t)
  8884  				v0.AddArg2(x, y)
  8885  				b.resetWithControl(BlockRISCV64BNEZ, v0)
  8886  				return true
  8887  			}
  8888  		}
  8889  		// match: (BEQZ (SUB x y) yes no)
  8890  		// result: (BEQ x y yes no)
  8891  		for b.Controls[0].Op == OpRISCV64SUB {
  8892  			v_0 := b.Controls[0]
  8893  			y := v_0.Args[1]
  8894  			x := v_0.Args[0]
  8895  			b.resetWithControl2(BlockRISCV64BEQ, x, y)
  8896  			return true
  8897  		}
  8898  		// match: (BEQZ (SLT x y) yes no)
  8899  		// result: (BGE x y yes no)
  8900  		for b.Controls[0].Op == OpRISCV64SLT {
  8901  			v_0 := b.Controls[0]
  8902  			y := v_0.Args[1]
  8903  			x := v_0.Args[0]
  8904  			b.resetWithControl2(BlockRISCV64BGE, x, y)
  8905  			return true
  8906  		}
  8907  		// match: (BEQZ (SLTU x y) yes no)
  8908  		// result: (BGEU x y yes no)
  8909  		for b.Controls[0].Op == OpRISCV64SLTU {
  8910  			v_0 := b.Controls[0]
  8911  			y := v_0.Args[1]
  8912  			x := v_0.Args[0]
  8913  			b.resetWithControl2(BlockRISCV64BGEU, x, y)
  8914  			return true
  8915  		}
  8916  		// match: (BEQZ (SLTI [x] y) yes no)
  8917  		// result: (BGE y (MOVDconst [x]) yes no)
  8918  		for b.Controls[0].Op == OpRISCV64SLTI {
  8919  			v_0 := b.Controls[0]
  8920  			x := auxIntToInt64(v_0.AuxInt)
  8921  			y := v_0.Args[0]
  8922  			v0 := b.NewValue0(b.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8923  			v0.AuxInt = int64ToAuxInt(x)
  8924  			b.resetWithControl2(BlockRISCV64BGE, y, v0)
  8925  			return true
  8926  		}
  8927  		// match: (BEQZ (SLTIU [x] y) yes no)
  8928  		// result: (BGEU y (MOVDconst [x]) yes no)
  8929  		for b.Controls[0].Op == OpRISCV64SLTIU {
  8930  			v_0 := b.Controls[0]
  8931  			x := auxIntToInt64(v_0.AuxInt)
  8932  			y := v_0.Args[0]
  8933  			v0 := b.NewValue0(b.Pos, OpRISCV64MOVDconst, typ.UInt64)
  8934  			v0.AuxInt = int64ToAuxInt(x)
  8935  			b.resetWithControl2(BlockRISCV64BGEU, y, v0)
  8936  			return true
  8937  		}
  8938  	case BlockRISCV64BGE:
  8939  		// match: (BGE (MOVDconst [0]) cond yes no)
  8940  		// result: (BLEZ cond yes no)
  8941  		for b.Controls[0].Op == OpRISCV64MOVDconst {
  8942  			v_0 := b.Controls[0]
  8943  			if auxIntToInt64(v_0.AuxInt) != 0 {
  8944  				break
  8945  			}
  8946  			cond := b.Controls[1]
  8947  			b.resetWithControl(BlockRISCV64BLEZ, cond)
  8948  			return true
  8949  		}
  8950  		// match: (BGE cond (MOVDconst [0]) yes no)
  8951  		// result: (BGEZ cond yes no)
  8952  		for b.Controls[1].Op == OpRISCV64MOVDconst {
  8953  			cond := b.Controls[0]
  8954  			v_1 := b.Controls[1]
  8955  			if auxIntToInt64(v_1.AuxInt) != 0 {
  8956  				break
  8957  			}
  8958  			b.resetWithControl(BlockRISCV64BGEZ, cond)
  8959  			return true
  8960  		}
  8961  	case BlockRISCV64BLT:
  8962  		// match: (BLT (MOVDconst [0]) cond yes no)
  8963  		// result: (BGTZ cond yes no)
  8964  		for b.Controls[0].Op == OpRISCV64MOVDconst {
  8965  			v_0 := b.Controls[0]
  8966  			if auxIntToInt64(v_0.AuxInt) != 0 {
  8967  				break
  8968  			}
  8969  			cond := b.Controls[1]
  8970  			b.resetWithControl(BlockRISCV64BGTZ, cond)
  8971  			return true
  8972  		}
  8973  		// match: (BLT cond (MOVDconst [0]) yes no)
  8974  		// result: (BLTZ cond yes no)
  8975  		for b.Controls[1].Op == OpRISCV64MOVDconst {
  8976  			cond := b.Controls[0]
  8977  			v_1 := b.Controls[1]
  8978  			if auxIntToInt64(v_1.AuxInt) != 0 {
  8979  				break
  8980  			}
  8981  			b.resetWithControl(BlockRISCV64BLTZ, cond)
  8982  			return true
  8983  		}
  8984  	case BlockRISCV64BNE:
  8985  		// match: (BNE (MOVDconst [0]) cond yes no)
  8986  		// result: (BNEZ cond yes no)
  8987  		for b.Controls[0].Op == OpRISCV64MOVDconst {
  8988  			v_0 := b.Controls[0]
  8989  			if auxIntToInt64(v_0.AuxInt) != 0 {
  8990  				break
  8991  			}
  8992  			cond := b.Controls[1]
  8993  			b.resetWithControl(BlockRISCV64BNEZ, cond)
  8994  			return true
  8995  		}
  8996  		// match: (BNE cond (MOVDconst [0]) yes no)
  8997  		// result: (BNEZ cond yes no)
  8998  		for b.Controls[1].Op == OpRISCV64MOVDconst {
  8999  			cond := b.Controls[0]
  9000  			v_1 := b.Controls[1]
  9001  			if auxIntToInt64(v_1.AuxInt) != 0 {
  9002  				break
  9003  			}
  9004  			b.resetWithControl(BlockRISCV64BNEZ, cond)
  9005  			return true
  9006  		}
  9007  	case BlockRISCV64BNEZ:
  9008  		// match: (BNEZ (SEQZ x) yes no)
  9009  		// result: (BEQZ x yes no)
  9010  		for b.Controls[0].Op == OpRISCV64SEQZ {
  9011  			v_0 := b.Controls[0]
  9012  			x := v_0.Args[0]
  9013  			b.resetWithControl(BlockRISCV64BEQZ, x)
  9014  			return true
  9015  		}
  9016  		// match: (BNEZ (SNEZ x) yes no)
  9017  		// result: (BNEZ x yes no)
  9018  		for b.Controls[0].Op == OpRISCV64SNEZ {
  9019  			v_0 := b.Controls[0]
  9020  			x := v_0.Args[0]
  9021  			b.resetWithControl(BlockRISCV64BNEZ, x)
  9022  			return true
  9023  		}
  9024  		// match: (BNEZ (NEG x) yes no)
  9025  		// result: (BNEZ x yes no)
  9026  		for b.Controls[0].Op == OpRISCV64NEG {
  9027  			v_0 := b.Controls[0]
  9028  			x := v_0.Args[0]
  9029  			b.resetWithControl(BlockRISCV64BNEZ, x)
  9030  			return true
  9031  		}
  9032  		// match: (BNEZ (FNES <t> x y) yes no)
  9033  		// result: (BEQZ (FEQS <t> x y) yes no)
  9034  		for b.Controls[0].Op == OpRISCV64FNES {
  9035  			v_0 := b.Controls[0]
  9036  			t := v_0.Type
  9037  			_ = v_0.Args[1]
  9038  			v_0_0 := v_0.Args[0]
  9039  			v_0_1 := v_0.Args[1]
  9040  			for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 {
  9041  				x := v_0_0
  9042  				y := v_0_1
  9043  				v0 := b.NewValue0(v_0.Pos, OpRISCV64FEQS, t)
  9044  				v0.AddArg2(x, y)
  9045  				b.resetWithControl(BlockRISCV64BEQZ, v0)
  9046  				return true
  9047  			}
  9048  		}
  9049  		// match: (BNEZ (FNED <t> x y) yes no)
  9050  		// result: (BEQZ (FEQD <t> x y) yes no)
  9051  		for b.Controls[0].Op == OpRISCV64FNED {
  9052  			v_0 := b.Controls[0]
  9053  			t := v_0.Type
  9054  			_ = v_0.Args[1]
  9055  			v_0_0 := v_0.Args[0]
  9056  			v_0_1 := v_0.Args[1]
  9057  			for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 {
  9058  				x := v_0_0
  9059  				y := v_0_1
  9060  				v0 := b.NewValue0(v_0.Pos, OpRISCV64FEQD, t)
  9061  				v0.AddArg2(x, y)
  9062  				b.resetWithControl(BlockRISCV64BEQZ, v0)
  9063  				return true
  9064  			}
  9065  		}
  9066  		// match: (BNEZ (SUB x y) yes no)
  9067  		// result: (BNE x y yes no)
  9068  		for b.Controls[0].Op == OpRISCV64SUB {
  9069  			v_0 := b.Controls[0]
  9070  			y := v_0.Args[1]
  9071  			x := v_0.Args[0]
  9072  			b.resetWithControl2(BlockRISCV64BNE, x, y)
  9073  			return true
  9074  		}
  9075  		// match: (BNEZ (SLT x y) yes no)
  9076  		// result: (BLT x y yes no)
  9077  		for b.Controls[0].Op == OpRISCV64SLT {
  9078  			v_0 := b.Controls[0]
  9079  			y := v_0.Args[1]
  9080  			x := v_0.Args[0]
  9081  			b.resetWithControl2(BlockRISCV64BLT, x, y)
  9082  			return true
  9083  		}
  9084  		// match: (BNEZ (SLTU x y) yes no)
  9085  		// result: (BLTU x y yes no)
  9086  		for b.Controls[0].Op == OpRISCV64SLTU {
  9087  			v_0 := b.Controls[0]
  9088  			y := v_0.Args[1]
  9089  			x := v_0.Args[0]
  9090  			b.resetWithControl2(BlockRISCV64BLTU, x, y)
  9091  			return true
  9092  		}
  9093  		// match: (BNEZ (SLTI [x] y) yes no)
  9094  		// result: (BLT y (MOVDconst [x]) yes no)
  9095  		for b.Controls[0].Op == OpRISCV64SLTI {
  9096  			v_0 := b.Controls[0]
  9097  			x := auxIntToInt64(v_0.AuxInt)
  9098  			y := v_0.Args[0]
  9099  			v0 := b.NewValue0(b.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9100  			v0.AuxInt = int64ToAuxInt(x)
  9101  			b.resetWithControl2(BlockRISCV64BLT, y, v0)
  9102  			return true
  9103  		}
  9104  		// match: (BNEZ (SLTIU [x] y) yes no)
  9105  		// result: (BLTU y (MOVDconst [x]) yes no)
  9106  		for b.Controls[0].Op == OpRISCV64SLTIU {
  9107  			v_0 := b.Controls[0]
  9108  			x := auxIntToInt64(v_0.AuxInt)
  9109  			y := v_0.Args[0]
  9110  			v0 := b.NewValue0(b.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9111  			v0.AuxInt = int64ToAuxInt(x)
  9112  			b.resetWithControl2(BlockRISCV64BLTU, y, v0)
  9113  			return true
  9114  		}
  9115  	case BlockIf:
  9116  		// match: (If cond yes no)
  9117  		// result: (BNEZ (MOVBUreg <typ.UInt64> cond) yes no)
  9118  		for {
  9119  			cond := b.Controls[0]
  9120  			v0 := b.NewValue0(cond.Pos, OpRISCV64MOVBUreg, typ.UInt64)
  9121  			v0.AddArg(cond)
  9122  			b.resetWithControl(BlockRISCV64BNEZ, v0)
  9123  			return true
  9124  		}
  9125  	}
  9126  	return false
  9127  }