Source file src/cmd/compile/internal/ssa/rewriteRISCV64.go

     1  // Code generated from _gen/RISCV64.rules using 'go generate'; DO NOT EDIT.
     2  
     3  package ssa
     4  
     5  import "internal/buildcfg"
     6  import "math"
     7  import "cmd/compile/internal/types"
     8  
     9  func rewriteValueRISCV64(v *Value) bool {
    10  	switch v.Op {
    11  	case OpAbs:
    12  		v.Op = OpRISCV64FABSD
    13  		return true
    14  	case OpAdd16:
    15  		v.Op = OpRISCV64ADD
    16  		return true
    17  	case OpAdd32:
    18  		v.Op = OpRISCV64ADD
    19  		return true
    20  	case OpAdd32F:
    21  		v.Op = OpRISCV64FADDS
    22  		return true
    23  	case OpAdd64:
    24  		v.Op = OpRISCV64ADD
    25  		return true
    26  	case OpAdd64F:
    27  		v.Op = OpRISCV64FADDD
    28  		return true
    29  	case OpAdd8:
    30  		v.Op = OpRISCV64ADD
    31  		return true
    32  	case OpAddPtr:
    33  		v.Op = OpRISCV64ADD
    34  		return true
    35  	case OpAddr:
    36  		return rewriteValueRISCV64_OpAddr(v)
    37  	case OpAnd16:
    38  		v.Op = OpRISCV64AND
    39  		return true
    40  	case OpAnd32:
    41  		v.Op = OpRISCV64AND
    42  		return true
    43  	case OpAnd64:
    44  		v.Op = OpRISCV64AND
    45  		return true
    46  	case OpAnd8:
    47  		v.Op = OpRISCV64AND
    48  		return true
    49  	case OpAndB:
    50  		v.Op = OpRISCV64AND
    51  		return true
    52  	case OpAtomicAdd32:
    53  		v.Op = OpRISCV64LoweredAtomicAdd32
    54  		return true
    55  	case OpAtomicAdd64:
    56  		v.Op = OpRISCV64LoweredAtomicAdd64
    57  		return true
    58  	case OpAtomicAnd32:
    59  		v.Op = OpRISCV64LoweredAtomicAnd32
    60  		return true
    61  	case OpAtomicAnd8:
    62  		return rewriteValueRISCV64_OpAtomicAnd8(v)
    63  	case OpAtomicCompareAndSwap32:
    64  		return rewriteValueRISCV64_OpAtomicCompareAndSwap32(v)
    65  	case OpAtomicCompareAndSwap64:
    66  		v.Op = OpRISCV64LoweredAtomicCas64
    67  		return true
    68  	case OpAtomicExchange32:
    69  		v.Op = OpRISCV64LoweredAtomicExchange32
    70  		return true
    71  	case OpAtomicExchange64:
    72  		v.Op = OpRISCV64LoweredAtomicExchange64
    73  		return true
    74  	case OpAtomicLoad32:
    75  		v.Op = OpRISCV64LoweredAtomicLoad32
    76  		return true
    77  	case OpAtomicLoad64:
    78  		v.Op = OpRISCV64LoweredAtomicLoad64
    79  		return true
    80  	case OpAtomicLoad8:
    81  		v.Op = OpRISCV64LoweredAtomicLoad8
    82  		return true
    83  	case OpAtomicLoadPtr:
    84  		v.Op = OpRISCV64LoweredAtomicLoad64
    85  		return true
    86  	case OpAtomicOr32:
    87  		v.Op = OpRISCV64LoweredAtomicOr32
    88  		return true
    89  	case OpAtomicOr8:
    90  		return rewriteValueRISCV64_OpAtomicOr8(v)
    91  	case OpAtomicStore32:
    92  		v.Op = OpRISCV64LoweredAtomicStore32
    93  		return true
    94  	case OpAtomicStore64:
    95  		v.Op = OpRISCV64LoweredAtomicStore64
    96  		return true
    97  	case OpAtomicStore8:
    98  		v.Op = OpRISCV64LoweredAtomicStore8
    99  		return true
   100  	case OpAtomicStorePtrNoWB:
   101  		v.Op = OpRISCV64LoweredAtomicStore64
   102  		return true
   103  	case OpAvg64u:
   104  		return rewriteValueRISCV64_OpAvg64u(v)
   105  	case OpBitLen16:
   106  		return rewriteValueRISCV64_OpBitLen16(v)
   107  	case OpBitLen32:
   108  		return rewriteValueRISCV64_OpBitLen32(v)
   109  	case OpBitLen64:
   110  		return rewriteValueRISCV64_OpBitLen64(v)
   111  	case OpBitLen8:
   112  		return rewriteValueRISCV64_OpBitLen8(v)
   113  	case OpBswap16:
   114  		return rewriteValueRISCV64_OpBswap16(v)
   115  	case OpBswap32:
   116  		return rewriteValueRISCV64_OpBswap32(v)
   117  	case OpBswap64:
   118  		v.Op = OpRISCV64REV8
   119  		return true
   120  	case OpClosureCall:
   121  		v.Op = OpRISCV64CALLclosure
   122  		return true
   123  	case OpCom16:
   124  		v.Op = OpRISCV64NOT
   125  		return true
   126  	case OpCom32:
   127  		v.Op = OpRISCV64NOT
   128  		return true
   129  	case OpCom64:
   130  		v.Op = OpRISCV64NOT
   131  		return true
   132  	case OpCom8:
   133  		v.Op = OpRISCV64NOT
   134  		return true
   135  	case OpConst16:
   136  		return rewriteValueRISCV64_OpConst16(v)
   137  	case OpConst32:
   138  		return rewriteValueRISCV64_OpConst32(v)
   139  	case OpConst32F:
   140  		return rewriteValueRISCV64_OpConst32F(v)
   141  	case OpConst64:
   142  		return rewriteValueRISCV64_OpConst64(v)
   143  	case OpConst64F:
   144  		return rewriteValueRISCV64_OpConst64F(v)
   145  	case OpConst8:
   146  		return rewriteValueRISCV64_OpConst8(v)
   147  	case OpConstBool:
   148  		return rewriteValueRISCV64_OpConstBool(v)
   149  	case OpConstNil:
   150  		return rewriteValueRISCV64_OpConstNil(v)
   151  	case OpCopysign:
   152  		v.Op = OpRISCV64FSGNJD
   153  		return true
   154  	case OpCtz16:
   155  		return rewriteValueRISCV64_OpCtz16(v)
   156  	case OpCtz16NonZero:
   157  		v.Op = OpCtz64
   158  		return true
   159  	case OpCtz32:
   160  		v.Op = OpRISCV64CTZW
   161  		return true
   162  	case OpCtz32NonZero:
   163  		v.Op = OpCtz64
   164  		return true
   165  	case OpCtz64:
   166  		v.Op = OpRISCV64CTZ
   167  		return true
   168  	case OpCtz64NonZero:
   169  		v.Op = OpCtz64
   170  		return true
   171  	case OpCtz8:
   172  		return rewriteValueRISCV64_OpCtz8(v)
   173  	case OpCtz8NonZero:
   174  		v.Op = OpCtz64
   175  		return true
   176  	case OpCvt32Fto32:
   177  		v.Op = OpRISCV64FCVTWS
   178  		return true
   179  	case OpCvt32Fto64:
   180  		v.Op = OpRISCV64FCVTLS
   181  		return true
   182  	case OpCvt32Fto64F:
   183  		v.Op = OpRISCV64FCVTDS
   184  		return true
   185  	case OpCvt32to32F:
   186  		v.Op = OpRISCV64FCVTSW
   187  		return true
   188  	case OpCvt32to64F:
   189  		v.Op = OpRISCV64FCVTDW
   190  		return true
   191  	case OpCvt64Fto32:
   192  		v.Op = OpRISCV64FCVTWD
   193  		return true
   194  	case OpCvt64Fto32F:
   195  		v.Op = OpRISCV64FCVTSD
   196  		return true
   197  	case OpCvt64Fto64:
   198  		v.Op = OpRISCV64FCVTLD
   199  		return true
   200  	case OpCvt64to32F:
   201  		v.Op = OpRISCV64FCVTSL
   202  		return true
   203  	case OpCvt64to64F:
   204  		v.Op = OpRISCV64FCVTDL
   205  		return true
   206  	case OpCvtBoolToUint8:
   207  		v.Op = OpCopy
   208  		return true
   209  	case OpDiv16:
   210  		return rewriteValueRISCV64_OpDiv16(v)
   211  	case OpDiv16u:
   212  		return rewriteValueRISCV64_OpDiv16u(v)
   213  	case OpDiv32:
   214  		return rewriteValueRISCV64_OpDiv32(v)
   215  	case OpDiv32F:
   216  		v.Op = OpRISCV64FDIVS
   217  		return true
   218  	case OpDiv32u:
   219  		v.Op = OpRISCV64DIVUW
   220  		return true
   221  	case OpDiv64:
   222  		return rewriteValueRISCV64_OpDiv64(v)
   223  	case OpDiv64F:
   224  		v.Op = OpRISCV64FDIVD
   225  		return true
   226  	case OpDiv64u:
   227  		v.Op = OpRISCV64DIVU
   228  		return true
   229  	case OpDiv8:
   230  		return rewriteValueRISCV64_OpDiv8(v)
   231  	case OpDiv8u:
   232  		return rewriteValueRISCV64_OpDiv8u(v)
   233  	case OpEq16:
   234  		return rewriteValueRISCV64_OpEq16(v)
   235  	case OpEq32:
   236  		return rewriteValueRISCV64_OpEq32(v)
   237  	case OpEq32F:
   238  		v.Op = OpRISCV64FEQS
   239  		return true
   240  	case OpEq64:
   241  		return rewriteValueRISCV64_OpEq64(v)
   242  	case OpEq64F:
   243  		v.Op = OpRISCV64FEQD
   244  		return true
   245  	case OpEq8:
   246  		return rewriteValueRISCV64_OpEq8(v)
   247  	case OpEqB:
   248  		return rewriteValueRISCV64_OpEqB(v)
   249  	case OpEqPtr:
   250  		return rewriteValueRISCV64_OpEqPtr(v)
   251  	case OpFMA:
   252  		v.Op = OpRISCV64FMADDD
   253  		return true
   254  	case OpGetCallerPC:
   255  		v.Op = OpRISCV64LoweredGetCallerPC
   256  		return true
   257  	case OpGetCallerSP:
   258  		v.Op = OpRISCV64LoweredGetCallerSP
   259  		return true
   260  	case OpGetClosurePtr:
   261  		v.Op = OpRISCV64LoweredGetClosurePtr
   262  		return true
   263  	case OpHmul32:
   264  		return rewriteValueRISCV64_OpHmul32(v)
   265  	case OpHmul32u:
   266  		return rewriteValueRISCV64_OpHmul32u(v)
   267  	case OpHmul64:
   268  		v.Op = OpRISCV64MULH
   269  		return true
   270  	case OpHmul64u:
   271  		v.Op = OpRISCV64MULHU
   272  		return true
   273  	case OpInterCall:
   274  		v.Op = OpRISCV64CALLinter
   275  		return true
   276  	case OpIsInBounds:
   277  		v.Op = OpLess64U
   278  		return true
   279  	case OpIsNonNil:
   280  		v.Op = OpRISCV64SNEZ
   281  		return true
   282  	case OpIsSliceInBounds:
   283  		v.Op = OpLeq64U
   284  		return true
   285  	case OpLeq16:
   286  		return rewriteValueRISCV64_OpLeq16(v)
   287  	case OpLeq16U:
   288  		return rewriteValueRISCV64_OpLeq16U(v)
   289  	case OpLeq32:
   290  		return rewriteValueRISCV64_OpLeq32(v)
   291  	case OpLeq32F:
   292  		v.Op = OpRISCV64FLES
   293  		return true
   294  	case OpLeq32U:
   295  		return rewriteValueRISCV64_OpLeq32U(v)
   296  	case OpLeq64:
   297  		return rewriteValueRISCV64_OpLeq64(v)
   298  	case OpLeq64F:
   299  		v.Op = OpRISCV64FLED
   300  		return true
   301  	case OpLeq64U:
   302  		return rewriteValueRISCV64_OpLeq64U(v)
   303  	case OpLeq8:
   304  		return rewriteValueRISCV64_OpLeq8(v)
   305  	case OpLeq8U:
   306  		return rewriteValueRISCV64_OpLeq8U(v)
   307  	case OpLess16:
   308  		return rewriteValueRISCV64_OpLess16(v)
   309  	case OpLess16U:
   310  		return rewriteValueRISCV64_OpLess16U(v)
   311  	case OpLess32:
   312  		return rewriteValueRISCV64_OpLess32(v)
   313  	case OpLess32F:
   314  		v.Op = OpRISCV64FLTS
   315  		return true
   316  	case OpLess32U:
   317  		return rewriteValueRISCV64_OpLess32U(v)
   318  	case OpLess64:
   319  		v.Op = OpRISCV64SLT
   320  		return true
   321  	case OpLess64F:
   322  		v.Op = OpRISCV64FLTD
   323  		return true
   324  	case OpLess64U:
   325  		v.Op = OpRISCV64SLTU
   326  		return true
   327  	case OpLess8:
   328  		return rewriteValueRISCV64_OpLess8(v)
   329  	case OpLess8U:
   330  		return rewriteValueRISCV64_OpLess8U(v)
   331  	case OpLoad:
   332  		return rewriteValueRISCV64_OpLoad(v)
   333  	case OpLocalAddr:
   334  		return rewriteValueRISCV64_OpLocalAddr(v)
   335  	case OpLsh16x16:
   336  		return rewriteValueRISCV64_OpLsh16x16(v)
   337  	case OpLsh16x32:
   338  		return rewriteValueRISCV64_OpLsh16x32(v)
   339  	case OpLsh16x64:
   340  		return rewriteValueRISCV64_OpLsh16x64(v)
   341  	case OpLsh16x8:
   342  		return rewriteValueRISCV64_OpLsh16x8(v)
   343  	case OpLsh32x16:
   344  		return rewriteValueRISCV64_OpLsh32x16(v)
   345  	case OpLsh32x32:
   346  		return rewriteValueRISCV64_OpLsh32x32(v)
   347  	case OpLsh32x64:
   348  		return rewriteValueRISCV64_OpLsh32x64(v)
   349  	case OpLsh32x8:
   350  		return rewriteValueRISCV64_OpLsh32x8(v)
   351  	case OpLsh64x16:
   352  		return rewriteValueRISCV64_OpLsh64x16(v)
   353  	case OpLsh64x32:
   354  		return rewriteValueRISCV64_OpLsh64x32(v)
   355  	case OpLsh64x64:
   356  		return rewriteValueRISCV64_OpLsh64x64(v)
   357  	case OpLsh64x8:
   358  		return rewriteValueRISCV64_OpLsh64x8(v)
   359  	case OpLsh8x16:
   360  		return rewriteValueRISCV64_OpLsh8x16(v)
   361  	case OpLsh8x32:
   362  		return rewriteValueRISCV64_OpLsh8x32(v)
   363  	case OpLsh8x64:
   364  		return rewriteValueRISCV64_OpLsh8x64(v)
   365  	case OpLsh8x8:
   366  		return rewriteValueRISCV64_OpLsh8x8(v)
   367  	case OpMax32F:
   368  		v.Op = OpRISCV64LoweredFMAXS
   369  		return true
   370  	case OpMax64:
   371  		return rewriteValueRISCV64_OpMax64(v)
   372  	case OpMax64F:
   373  		v.Op = OpRISCV64LoweredFMAXD
   374  		return true
   375  	case OpMax64u:
   376  		return rewriteValueRISCV64_OpMax64u(v)
   377  	case OpMin32F:
   378  		v.Op = OpRISCV64LoweredFMINS
   379  		return true
   380  	case OpMin64:
   381  		return rewriteValueRISCV64_OpMin64(v)
   382  	case OpMin64F:
   383  		v.Op = OpRISCV64LoweredFMIND
   384  		return true
   385  	case OpMin64u:
   386  		return rewriteValueRISCV64_OpMin64u(v)
   387  	case OpMod16:
   388  		return rewriteValueRISCV64_OpMod16(v)
   389  	case OpMod16u:
   390  		return rewriteValueRISCV64_OpMod16u(v)
   391  	case OpMod32:
   392  		return rewriteValueRISCV64_OpMod32(v)
   393  	case OpMod32u:
   394  		v.Op = OpRISCV64REMUW
   395  		return true
   396  	case OpMod64:
   397  		return rewriteValueRISCV64_OpMod64(v)
   398  	case OpMod64u:
   399  		v.Op = OpRISCV64REMU
   400  		return true
   401  	case OpMod8:
   402  		return rewriteValueRISCV64_OpMod8(v)
   403  	case OpMod8u:
   404  		return rewriteValueRISCV64_OpMod8u(v)
   405  	case OpMove:
   406  		return rewriteValueRISCV64_OpMove(v)
   407  	case OpMul16:
   408  		return rewriteValueRISCV64_OpMul16(v)
   409  	case OpMul32:
   410  		v.Op = OpRISCV64MULW
   411  		return true
   412  	case OpMul32F:
   413  		v.Op = OpRISCV64FMULS
   414  		return true
   415  	case OpMul64:
   416  		v.Op = OpRISCV64MUL
   417  		return true
   418  	case OpMul64F:
   419  		v.Op = OpRISCV64FMULD
   420  		return true
   421  	case OpMul64uhilo:
   422  		v.Op = OpRISCV64LoweredMuluhilo
   423  		return true
   424  	case OpMul64uover:
   425  		v.Op = OpRISCV64LoweredMuluover
   426  		return true
   427  	case OpMul8:
   428  		return rewriteValueRISCV64_OpMul8(v)
   429  	case OpNeg16:
   430  		v.Op = OpRISCV64NEG
   431  		return true
   432  	case OpNeg32:
   433  		v.Op = OpRISCV64NEG
   434  		return true
   435  	case OpNeg32F:
   436  		v.Op = OpRISCV64FNEGS
   437  		return true
   438  	case OpNeg64:
   439  		v.Op = OpRISCV64NEG
   440  		return true
   441  	case OpNeg64F:
   442  		v.Op = OpRISCV64FNEGD
   443  		return true
   444  	case OpNeg8:
   445  		v.Op = OpRISCV64NEG
   446  		return true
   447  	case OpNeq16:
   448  		return rewriteValueRISCV64_OpNeq16(v)
   449  	case OpNeq32:
   450  		return rewriteValueRISCV64_OpNeq32(v)
   451  	case OpNeq32F:
   452  		v.Op = OpRISCV64FNES
   453  		return true
   454  	case OpNeq64:
   455  		return rewriteValueRISCV64_OpNeq64(v)
   456  	case OpNeq64F:
   457  		v.Op = OpRISCV64FNED
   458  		return true
   459  	case OpNeq8:
   460  		return rewriteValueRISCV64_OpNeq8(v)
   461  	case OpNeqB:
   462  		return rewriteValueRISCV64_OpNeqB(v)
   463  	case OpNeqPtr:
   464  		return rewriteValueRISCV64_OpNeqPtr(v)
   465  	case OpNilCheck:
   466  		v.Op = OpRISCV64LoweredNilCheck
   467  		return true
   468  	case OpNot:
   469  		v.Op = OpRISCV64SEQZ
   470  		return true
   471  	case OpOffPtr:
   472  		return rewriteValueRISCV64_OpOffPtr(v)
   473  	case OpOr16:
   474  		v.Op = OpRISCV64OR
   475  		return true
   476  	case OpOr32:
   477  		v.Op = OpRISCV64OR
   478  		return true
   479  	case OpOr64:
   480  		v.Op = OpRISCV64OR
   481  		return true
   482  	case OpOr8:
   483  		v.Op = OpRISCV64OR
   484  		return true
   485  	case OpOrB:
   486  		v.Op = OpRISCV64OR
   487  		return true
   488  	case OpPanicBounds:
   489  		return rewriteValueRISCV64_OpPanicBounds(v)
   490  	case OpPopCount16:
   491  		return rewriteValueRISCV64_OpPopCount16(v)
   492  	case OpPopCount32:
   493  		v.Op = OpRISCV64CPOPW
   494  		return true
   495  	case OpPopCount64:
   496  		v.Op = OpRISCV64CPOP
   497  		return true
   498  	case OpPopCount8:
   499  		return rewriteValueRISCV64_OpPopCount8(v)
   500  	case OpPubBarrier:
   501  		v.Op = OpRISCV64LoweredPubBarrier
   502  		return true
   503  	case OpRISCV64ADD:
   504  		return rewriteValueRISCV64_OpRISCV64ADD(v)
   505  	case OpRISCV64ADDI:
   506  		return rewriteValueRISCV64_OpRISCV64ADDI(v)
   507  	case OpRISCV64AND:
   508  		return rewriteValueRISCV64_OpRISCV64AND(v)
   509  	case OpRISCV64ANDI:
   510  		return rewriteValueRISCV64_OpRISCV64ANDI(v)
   511  	case OpRISCV64FADDD:
   512  		return rewriteValueRISCV64_OpRISCV64FADDD(v)
   513  	case OpRISCV64FADDS:
   514  		return rewriteValueRISCV64_OpRISCV64FADDS(v)
   515  	case OpRISCV64FMADDD:
   516  		return rewriteValueRISCV64_OpRISCV64FMADDD(v)
   517  	case OpRISCV64FMADDS:
   518  		return rewriteValueRISCV64_OpRISCV64FMADDS(v)
   519  	case OpRISCV64FMSUBD:
   520  		return rewriteValueRISCV64_OpRISCV64FMSUBD(v)
   521  	case OpRISCV64FMSUBS:
   522  		return rewriteValueRISCV64_OpRISCV64FMSUBS(v)
   523  	case OpRISCV64FNMADDD:
   524  		return rewriteValueRISCV64_OpRISCV64FNMADDD(v)
   525  	case OpRISCV64FNMADDS:
   526  		return rewriteValueRISCV64_OpRISCV64FNMADDS(v)
   527  	case OpRISCV64FNMSUBD:
   528  		return rewriteValueRISCV64_OpRISCV64FNMSUBD(v)
   529  	case OpRISCV64FNMSUBS:
   530  		return rewriteValueRISCV64_OpRISCV64FNMSUBS(v)
   531  	case OpRISCV64FSUBD:
   532  		return rewriteValueRISCV64_OpRISCV64FSUBD(v)
   533  	case OpRISCV64FSUBS:
   534  		return rewriteValueRISCV64_OpRISCV64FSUBS(v)
   535  	case OpRISCV64MOVBUload:
   536  		return rewriteValueRISCV64_OpRISCV64MOVBUload(v)
   537  	case OpRISCV64MOVBUreg:
   538  		return rewriteValueRISCV64_OpRISCV64MOVBUreg(v)
   539  	case OpRISCV64MOVBload:
   540  		return rewriteValueRISCV64_OpRISCV64MOVBload(v)
   541  	case OpRISCV64MOVBreg:
   542  		return rewriteValueRISCV64_OpRISCV64MOVBreg(v)
   543  	case OpRISCV64MOVBstore:
   544  		return rewriteValueRISCV64_OpRISCV64MOVBstore(v)
   545  	case OpRISCV64MOVBstorezero:
   546  		return rewriteValueRISCV64_OpRISCV64MOVBstorezero(v)
   547  	case OpRISCV64MOVDload:
   548  		return rewriteValueRISCV64_OpRISCV64MOVDload(v)
   549  	case OpRISCV64MOVDnop:
   550  		return rewriteValueRISCV64_OpRISCV64MOVDnop(v)
   551  	case OpRISCV64MOVDreg:
   552  		return rewriteValueRISCV64_OpRISCV64MOVDreg(v)
   553  	case OpRISCV64MOVDstore:
   554  		return rewriteValueRISCV64_OpRISCV64MOVDstore(v)
   555  	case OpRISCV64MOVDstorezero:
   556  		return rewriteValueRISCV64_OpRISCV64MOVDstorezero(v)
   557  	case OpRISCV64MOVHUload:
   558  		return rewriteValueRISCV64_OpRISCV64MOVHUload(v)
   559  	case OpRISCV64MOVHUreg:
   560  		return rewriteValueRISCV64_OpRISCV64MOVHUreg(v)
   561  	case OpRISCV64MOVHload:
   562  		return rewriteValueRISCV64_OpRISCV64MOVHload(v)
   563  	case OpRISCV64MOVHreg:
   564  		return rewriteValueRISCV64_OpRISCV64MOVHreg(v)
   565  	case OpRISCV64MOVHstore:
   566  		return rewriteValueRISCV64_OpRISCV64MOVHstore(v)
   567  	case OpRISCV64MOVHstorezero:
   568  		return rewriteValueRISCV64_OpRISCV64MOVHstorezero(v)
   569  	case OpRISCV64MOVWUload:
   570  		return rewriteValueRISCV64_OpRISCV64MOVWUload(v)
   571  	case OpRISCV64MOVWUreg:
   572  		return rewriteValueRISCV64_OpRISCV64MOVWUreg(v)
   573  	case OpRISCV64MOVWload:
   574  		return rewriteValueRISCV64_OpRISCV64MOVWload(v)
   575  	case OpRISCV64MOVWreg:
   576  		return rewriteValueRISCV64_OpRISCV64MOVWreg(v)
   577  	case OpRISCV64MOVWstore:
   578  		return rewriteValueRISCV64_OpRISCV64MOVWstore(v)
   579  	case OpRISCV64MOVWstorezero:
   580  		return rewriteValueRISCV64_OpRISCV64MOVWstorezero(v)
   581  	case OpRISCV64NEG:
   582  		return rewriteValueRISCV64_OpRISCV64NEG(v)
   583  	case OpRISCV64NEGW:
   584  		return rewriteValueRISCV64_OpRISCV64NEGW(v)
   585  	case OpRISCV64OR:
   586  		return rewriteValueRISCV64_OpRISCV64OR(v)
   587  	case OpRISCV64ORI:
   588  		return rewriteValueRISCV64_OpRISCV64ORI(v)
   589  	case OpRISCV64ORN:
   590  		return rewriteValueRISCV64_OpRISCV64ORN(v)
   591  	case OpRISCV64ROL:
   592  		return rewriteValueRISCV64_OpRISCV64ROL(v)
   593  	case OpRISCV64ROLW:
   594  		return rewriteValueRISCV64_OpRISCV64ROLW(v)
   595  	case OpRISCV64ROR:
   596  		return rewriteValueRISCV64_OpRISCV64ROR(v)
   597  	case OpRISCV64RORW:
   598  		return rewriteValueRISCV64_OpRISCV64RORW(v)
   599  	case OpRISCV64SEQZ:
   600  		return rewriteValueRISCV64_OpRISCV64SEQZ(v)
   601  	case OpRISCV64SLL:
   602  		return rewriteValueRISCV64_OpRISCV64SLL(v)
   603  	case OpRISCV64SLLI:
   604  		return rewriteValueRISCV64_OpRISCV64SLLI(v)
   605  	case OpRISCV64SLLW:
   606  		return rewriteValueRISCV64_OpRISCV64SLLW(v)
   607  	case OpRISCV64SLT:
   608  		return rewriteValueRISCV64_OpRISCV64SLT(v)
   609  	case OpRISCV64SLTI:
   610  		return rewriteValueRISCV64_OpRISCV64SLTI(v)
   611  	case OpRISCV64SLTIU:
   612  		return rewriteValueRISCV64_OpRISCV64SLTIU(v)
   613  	case OpRISCV64SLTU:
   614  		return rewriteValueRISCV64_OpRISCV64SLTU(v)
   615  	case OpRISCV64SNEZ:
   616  		return rewriteValueRISCV64_OpRISCV64SNEZ(v)
   617  	case OpRISCV64SRA:
   618  		return rewriteValueRISCV64_OpRISCV64SRA(v)
   619  	case OpRISCV64SRAI:
   620  		return rewriteValueRISCV64_OpRISCV64SRAI(v)
   621  	case OpRISCV64SRAW:
   622  		return rewriteValueRISCV64_OpRISCV64SRAW(v)
   623  	case OpRISCV64SRL:
   624  		return rewriteValueRISCV64_OpRISCV64SRL(v)
   625  	case OpRISCV64SRLI:
   626  		return rewriteValueRISCV64_OpRISCV64SRLI(v)
   627  	case OpRISCV64SRLW:
   628  		return rewriteValueRISCV64_OpRISCV64SRLW(v)
   629  	case OpRISCV64SUB:
   630  		return rewriteValueRISCV64_OpRISCV64SUB(v)
   631  	case OpRISCV64SUBW:
   632  		return rewriteValueRISCV64_OpRISCV64SUBW(v)
   633  	case OpRISCV64XOR:
   634  		return rewriteValueRISCV64_OpRISCV64XOR(v)
   635  	case OpRotateLeft16:
   636  		return rewriteValueRISCV64_OpRotateLeft16(v)
   637  	case OpRotateLeft32:
   638  		v.Op = OpRISCV64ROLW
   639  		return true
   640  	case OpRotateLeft64:
   641  		v.Op = OpRISCV64ROL
   642  		return true
   643  	case OpRotateLeft8:
   644  		return rewriteValueRISCV64_OpRotateLeft8(v)
   645  	case OpRound32F:
   646  		v.Op = OpRISCV64LoweredRound32F
   647  		return true
   648  	case OpRound64F:
   649  		v.Op = OpRISCV64LoweredRound64F
   650  		return true
   651  	case OpRsh16Ux16:
   652  		return rewriteValueRISCV64_OpRsh16Ux16(v)
   653  	case OpRsh16Ux32:
   654  		return rewriteValueRISCV64_OpRsh16Ux32(v)
   655  	case OpRsh16Ux64:
   656  		return rewriteValueRISCV64_OpRsh16Ux64(v)
   657  	case OpRsh16Ux8:
   658  		return rewriteValueRISCV64_OpRsh16Ux8(v)
   659  	case OpRsh16x16:
   660  		return rewriteValueRISCV64_OpRsh16x16(v)
   661  	case OpRsh16x32:
   662  		return rewriteValueRISCV64_OpRsh16x32(v)
   663  	case OpRsh16x64:
   664  		return rewriteValueRISCV64_OpRsh16x64(v)
   665  	case OpRsh16x8:
   666  		return rewriteValueRISCV64_OpRsh16x8(v)
   667  	case OpRsh32Ux16:
   668  		return rewriteValueRISCV64_OpRsh32Ux16(v)
   669  	case OpRsh32Ux32:
   670  		return rewriteValueRISCV64_OpRsh32Ux32(v)
   671  	case OpRsh32Ux64:
   672  		return rewriteValueRISCV64_OpRsh32Ux64(v)
   673  	case OpRsh32Ux8:
   674  		return rewriteValueRISCV64_OpRsh32Ux8(v)
   675  	case OpRsh32x16:
   676  		return rewriteValueRISCV64_OpRsh32x16(v)
   677  	case OpRsh32x32:
   678  		return rewriteValueRISCV64_OpRsh32x32(v)
   679  	case OpRsh32x64:
   680  		return rewriteValueRISCV64_OpRsh32x64(v)
   681  	case OpRsh32x8:
   682  		return rewriteValueRISCV64_OpRsh32x8(v)
   683  	case OpRsh64Ux16:
   684  		return rewriteValueRISCV64_OpRsh64Ux16(v)
   685  	case OpRsh64Ux32:
   686  		return rewriteValueRISCV64_OpRsh64Ux32(v)
   687  	case OpRsh64Ux64:
   688  		return rewriteValueRISCV64_OpRsh64Ux64(v)
   689  	case OpRsh64Ux8:
   690  		return rewriteValueRISCV64_OpRsh64Ux8(v)
   691  	case OpRsh64x16:
   692  		return rewriteValueRISCV64_OpRsh64x16(v)
   693  	case OpRsh64x32:
   694  		return rewriteValueRISCV64_OpRsh64x32(v)
   695  	case OpRsh64x64:
   696  		return rewriteValueRISCV64_OpRsh64x64(v)
   697  	case OpRsh64x8:
   698  		return rewriteValueRISCV64_OpRsh64x8(v)
   699  	case OpRsh8Ux16:
   700  		return rewriteValueRISCV64_OpRsh8Ux16(v)
   701  	case OpRsh8Ux32:
   702  		return rewriteValueRISCV64_OpRsh8Ux32(v)
   703  	case OpRsh8Ux64:
   704  		return rewriteValueRISCV64_OpRsh8Ux64(v)
   705  	case OpRsh8Ux8:
   706  		return rewriteValueRISCV64_OpRsh8Ux8(v)
   707  	case OpRsh8x16:
   708  		return rewriteValueRISCV64_OpRsh8x16(v)
   709  	case OpRsh8x32:
   710  		return rewriteValueRISCV64_OpRsh8x32(v)
   711  	case OpRsh8x64:
   712  		return rewriteValueRISCV64_OpRsh8x64(v)
   713  	case OpRsh8x8:
   714  		return rewriteValueRISCV64_OpRsh8x8(v)
   715  	case OpSelect0:
   716  		return rewriteValueRISCV64_OpSelect0(v)
   717  	case OpSelect1:
   718  		return rewriteValueRISCV64_OpSelect1(v)
   719  	case OpSignExt16to32:
   720  		v.Op = OpRISCV64MOVHreg
   721  		return true
   722  	case OpSignExt16to64:
   723  		v.Op = OpRISCV64MOVHreg
   724  		return true
   725  	case OpSignExt32to64:
   726  		v.Op = OpRISCV64MOVWreg
   727  		return true
   728  	case OpSignExt8to16:
   729  		v.Op = OpRISCV64MOVBreg
   730  		return true
   731  	case OpSignExt8to32:
   732  		v.Op = OpRISCV64MOVBreg
   733  		return true
   734  	case OpSignExt8to64:
   735  		v.Op = OpRISCV64MOVBreg
   736  		return true
   737  	case OpSlicemask:
   738  		return rewriteValueRISCV64_OpSlicemask(v)
   739  	case OpSqrt:
   740  		v.Op = OpRISCV64FSQRTD
   741  		return true
   742  	case OpSqrt32:
   743  		v.Op = OpRISCV64FSQRTS
   744  		return true
   745  	case OpStaticCall:
   746  		v.Op = OpRISCV64CALLstatic
   747  		return true
   748  	case OpStore:
   749  		return rewriteValueRISCV64_OpStore(v)
   750  	case OpSub16:
   751  		v.Op = OpRISCV64SUB
   752  		return true
   753  	case OpSub32:
   754  		v.Op = OpRISCV64SUB
   755  		return true
   756  	case OpSub32F:
   757  		v.Op = OpRISCV64FSUBS
   758  		return true
   759  	case OpSub64:
   760  		v.Op = OpRISCV64SUB
   761  		return true
   762  	case OpSub64F:
   763  		v.Op = OpRISCV64FSUBD
   764  		return true
   765  	case OpSub8:
   766  		v.Op = OpRISCV64SUB
   767  		return true
   768  	case OpSubPtr:
   769  		v.Op = OpRISCV64SUB
   770  		return true
   771  	case OpTailCall:
   772  		v.Op = OpRISCV64CALLtail
   773  		return true
   774  	case OpTrunc16to8:
   775  		v.Op = OpCopy
   776  		return true
   777  	case OpTrunc32to16:
   778  		v.Op = OpCopy
   779  		return true
   780  	case OpTrunc32to8:
   781  		v.Op = OpCopy
   782  		return true
   783  	case OpTrunc64to16:
   784  		v.Op = OpCopy
   785  		return true
   786  	case OpTrunc64to32:
   787  		v.Op = OpCopy
   788  		return true
   789  	case OpTrunc64to8:
   790  		v.Op = OpCopy
   791  		return true
   792  	case OpWB:
   793  		v.Op = OpRISCV64LoweredWB
   794  		return true
   795  	case OpXor16:
   796  		v.Op = OpRISCV64XOR
   797  		return true
   798  	case OpXor32:
   799  		v.Op = OpRISCV64XOR
   800  		return true
   801  	case OpXor64:
   802  		v.Op = OpRISCV64XOR
   803  		return true
   804  	case OpXor8:
   805  		v.Op = OpRISCV64XOR
   806  		return true
   807  	case OpZero:
   808  		return rewriteValueRISCV64_OpZero(v)
   809  	case OpZeroExt16to32:
   810  		v.Op = OpRISCV64MOVHUreg
   811  		return true
   812  	case OpZeroExt16to64:
   813  		v.Op = OpRISCV64MOVHUreg
   814  		return true
   815  	case OpZeroExt32to64:
   816  		v.Op = OpRISCV64MOVWUreg
   817  		return true
   818  	case OpZeroExt8to16:
   819  		v.Op = OpRISCV64MOVBUreg
   820  		return true
   821  	case OpZeroExt8to32:
   822  		v.Op = OpRISCV64MOVBUreg
   823  		return true
   824  	case OpZeroExt8to64:
   825  		v.Op = OpRISCV64MOVBUreg
   826  		return true
   827  	}
   828  	return false
   829  }
   830  func rewriteValueRISCV64_OpAddr(v *Value) bool {
   831  	v_0 := v.Args[0]
   832  	// match: (Addr {sym} base)
   833  	// result: (MOVaddr {sym} [0] base)
   834  	for {
   835  		sym := auxToSym(v.Aux)
   836  		base := v_0
   837  		v.reset(OpRISCV64MOVaddr)
   838  		v.AuxInt = int32ToAuxInt(0)
   839  		v.Aux = symToAux(sym)
   840  		v.AddArg(base)
   841  		return true
   842  	}
   843  }
   844  func rewriteValueRISCV64_OpAtomicAnd8(v *Value) bool {
   845  	v_2 := v.Args[2]
   846  	v_1 := v.Args[1]
   847  	v_0 := v.Args[0]
   848  	b := v.Block
   849  	typ := &b.Func.Config.Types
   850  	// match: (AtomicAnd8 ptr val mem)
   851  	// 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)
   852  	for {
   853  		ptr := v_0
   854  		val := v_1
   855  		mem := v_2
   856  		v.reset(OpRISCV64LoweredAtomicAnd32)
   857  		v0 := b.NewValue0(v.Pos, OpRISCV64ANDI, typ.Uintptr)
   858  		v0.AuxInt = int64ToAuxInt(^3)
   859  		v0.AddArg(ptr)
   860  		v1 := b.NewValue0(v.Pos, OpRISCV64NOT, typ.UInt32)
   861  		v2 := b.NewValue0(v.Pos, OpRISCV64SLL, typ.UInt32)
   862  		v3 := b.NewValue0(v.Pos, OpRISCV64XORI, typ.UInt32)
   863  		v3.AuxInt = int64ToAuxInt(0xff)
   864  		v4 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
   865  		v4.AddArg(val)
   866  		v3.AddArg(v4)
   867  		v5 := b.NewValue0(v.Pos, OpRISCV64SLLI, typ.UInt64)
   868  		v5.AuxInt = int64ToAuxInt(3)
   869  		v6 := b.NewValue0(v.Pos, OpRISCV64ANDI, typ.UInt64)
   870  		v6.AuxInt = int64ToAuxInt(3)
   871  		v6.AddArg(ptr)
   872  		v5.AddArg(v6)
   873  		v2.AddArg2(v3, v5)
   874  		v1.AddArg(v2)
   875  		v.AddArg3(v0, v1, mem)
   876  		return true
   877  	}
   878  }
   879  func rewriteValueRISCV64_OpAtomicCompareAndSwap32(v *Value) bool {
   880  	v_3 := v.Args[3]
   881  	v_2 := v.Args[2]
   882  	v_1 := v.Args[1]
   883  	v_0 := v.Args[0]
   884  	b := v.Block
   885  	typ := &b.Func.Config.Types
   886  	// match: (AtomicCompareAndSwap32 ptr old new mem)
   887  	// result: (LoweredAtomicCas32 ptr (SignExt32to64 old) new mem)
   888  	for {
   889  		ptr := v_0
   890  		old := v_1
   891  		new := v_2
   892  		mem := v_3
   893  		v.reset(OpRISCV64LoweredAtomicCas32)
   894  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
   895  		v0.AddArg(old)
   896  		v.AddArg4(ptr, v0, new, mem)
   897  		return true
   898  	}
   899  }
   900  func rewriteValueRISCV64_OpAtomicOr8(v *Value) bool {
   901  	v_2 := v.Args[2]
   902  	v_1 := v.Args[1]
   903  	v_0 := v.Args[0]
   904  	b := v.Block
   905  	typ := &b.Func.Config.Types
   906  	// match: (AtomicOr8 ptr val mem)
   907  	// result: (LoweredAtomicOr32 (ANDI <typ.Uintptr> [^3] ptr) (SLL <typ.UInt32> (ZeroExt8to32 val) (SLLI <typ.UInt64> [3] (ANDI <typ.UInt64> [3] ptr))) mem)
   908  	for {
   909  		ptr := v_0
   910  		val := v_1
   911  		mem := v_2
   912  		v.reset(OpRISCV64LoweredAtomicOr32)
   913  		v0 := b.NewValue0(v.Pos, OpRISCV64ANDI, typ.Uintptr)
   914  		v0.AuxInt = int64ToAuxInt(^3)
   915  		v0.AddArg(ptr)
   916  		v1 := b.NewValue0(v.Pos, OpRISCV64SLL, typ.UInt32)
   917  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
   918  		v2.AddArg(val)
   919  		v3 := b.NewValue0(v.Pos, OpRISCV64SLLI, typ.UInt64)
   920  		v3.AuxInt = int64ToAuxInt(3)
   921  		v4 := b.NewValue0(v.Pos, OpRISCV64ANDI, typ.UInt64)
   922  		v4.AuxInt = int64ToAuxInt(3)
   923  		v4.AddArg(ptr)
   924  		v3.AddArg(v4)
   925  		v1.AddArg2(v2, v3)
   926  		v.AddArg3(v0, v1, mem)
   927  		return true
   928  	}
   929  }
   930  func rewriteValueRISCV64_OpAvg64u(v *Value) bool {
   931  	v_1 := v.Args[1]
   932  	v_0 := v.Args[0]
   933  	b := v.Block
   934  	// match: (Avg64u <t> x y)
   935  	// result: (ADD (ADD <t> (SRLI <t> [1] x) (SRLI <t> [1] y)) (ANDI <t> [1] (AND <t> x y)))
   936  	for {
   937  		t := v.Type
   938  		x := v_0
   939  		y := v_1
   940  		v.reset(OpRISCV64ADD)
   941  		v0 := b.NewValue0(v.Pos, OpRISCV64ADD, t)
   942  		v1 := b.NewValue0(v.Pos, OpRISCV64SRLI, t)
   943  		v1.AuxInt = int64ToAuxInt(1)
   944  		v1.AddArg(x)
   945  		v2 := b.NewValue0(v.Pos, OpRISCV64SRLI, t)
   946  		v2.AuxInt = int64ToAuxInt(1)
   947  		v2.AddArg(y)
   948  		v0.AddArg2(v1, v2)
   949  		v3 := b.NewValue0(v.Pos, OpRISCV64ANDI, t)
   950  		v3.AuxInt = int64ToAuxInt(1)
   951  		v4 := b.NewValue0(v.Pos, OpRISCV64AND, t)
   952  		v4.AddArg2(x, y)
   953  		v3.AddArg(v4)
   954  		v.AddArg2(v0, v3)
   955  		return true
   956  	}
   957  }
   958  func rewriteValueRISCV64_OpBitLen16(v *Value) bool {
   959  	v_0 := v.Args[0]
   960  	b := v.Block
   961  	typ := &b.Func.Config.Types
   962  	// match: (BitLen16 x)
   963  	// result: (BitLen64 (ZeroExt16to64 x))
   964  	for {
   965  		x := v_0
   966  		v.reset(OpBitLen64)
   967  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
   968  		v0.AddArg(x)
   969  		v.AddArg(v0)
   970  		return true
   971  	}
   972  }
   973  func rewriteValueRISCV64_OpBitLen32(v *Value) bool {
   974  	v_0 := v.Args[0]
   975  	b := v.Block
   976  	typ := &b.Func.Config.Types
   977  	// match: (BitLen32 <t> x)
   978  	// result: (SUB (MOVDconst [32]) (CLZW <t> x))
   979  	for {
   980  		t := v.Type
   981  		x := v_0
   982  		v.reset(OpRISCV64SUB)
   983  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
   984  		v0.AuxInt = int64ToAuxInt(32)
   985  		v1 := b.NewValue0(v.Pos, OpRISCV64CLZW, t)
   986  		v1.AddArg(x)
   987  		v.AddArg2(v0, v1)
   988  		return true
   989  	}
   990  }
   991  func rewriteValueRISCV64_OpBitLen64(v *Value) bool {
   992  	v_0 := v.Args[0]
   993  	b := v.Block
   994  	typ := &b.Func.Config.Types
   995  	// match: (BitLen64 <t> x)
   996  	// result: (SUB (MOVDconst [64]) (CLZ <t> x))
   997  	for {
   998  		t := v.Type
   999  		x := v_0
  1000  		v.reset(OpRISCV64SUB)
  1001  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  1002  		v0.AuxInt = int64ToAuxInt(64)
  1003  		v1 := b.NewValue0(v.Pos, OpRISCV64CLZ, t)
  1004  		v1.AddArg(x)
  1005  		v.AddArg2(v0, v1)
  1006  		return true
  1007  	}
  1008  }
  1009  func rewriteValueRISCV64_OpBitLen8(v *Value) bool {
  1010  	v_0 := v.Args[0]
  1011  	b := v.Block
  1012  	typ := &b.Func.Config.Types
  1013  	// match: (BitLen8 x)
  1014  	// result: (BitLen64 (ZeroExt8to64 x))
  1015  	for {
  1016  		x := v_0
  1017  		v.reset(OpBitLen64)
  1018  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  1019  		v0.AddArg(x)
  1020  		v.AddArg(v0)
  1021  		return true
  1022  	}
  1023  }
  1024  func rewriteValueRISCV64_OpBswap16(v *Value) bool {
  1025  	v_0 := v.Args[0]
  1026  	b := v.Block
  1027  	// match: (Bswap16 <t> x)
  1028  	// result: (SRLI [48] (REV8 <t> x))
  1029  	for {
  1030  		t := v.Type
  1031  		x := v_0
  1032  		v.reset(OpRISCV64SRLI)
  1033  		v.AuxInt = int64ToAuxInt(48)
  1034  		v0 := b.NewValue0(v.Pos, OpRISCV64REV8, t)
  1035  		v0.AddArg(x)
  1036  		v.AddArg(v0)
  1037  		return true
  1038  	}
  1039  }
  1040  func rewriteValueRISCV64_OpBswap32(v *Value) bool {
  1041  	v_0 := v.Args[0]
  1042  	b := v.Block
  1043  	// match: (Bswap32 <t> x)
  1044  	// result: (SRLI [32] (REV8 <t> x))
  1045  	for {
  1046  		t := v.Type
  1047  		x := v_0
  1048  		v.reset(OpRISCV64SRLI)
  1049  		v.AuxInt = int64ToAuxInt(32)
  1050  		v0 := b.NewValue0(v.Pos, OpRISCV64REV8, t)
  1051  		v0.AddArg(x)
  1052  		v.AddArg(v0)
  1053  		return true
  1054  	}
  1055  }
  1056  func rewriteValueRISCV64_OpConst16(v *Value) bool {
  1057  	// match: (Const16 [val])
  1058  	// result: (MOVDconst [int64(val)])
  1059  	for {
  1060  		val := auxIntToInt16(v.AuxInt)
  1061  		v.reset(OpRISCV64MOVDconst)
  1062  		v.AuxInt = int64ToAuxInt(int64(val))
  1063  		return true
  1064  	}
  1065  }
  1066  func rewriteValueRISCV64_OpConst32(v *Value) bool {
  1067  	// match: (Const32 [val])
  1068  	// result: (MOVDconst [int64(val)])
  1069  	for {
  1070  		val := auxIntToInt32(v.AuxInt)
  1071  		v.reset(OpRISCV64MOVDconst)
  1072  		v.AuxInt = int64ToAuxInt(int64(val))
  1073  		return true
  1074  	}
  1075  }
  1076  func rewriteValueRISCV64_OpConst32F(v *Value) bool {
  1077  	b := v.Block
  1078  	typ := &b.Func.Config.Types
  1079  	// match: (Const32F [val])
  1080  	// result: (FMVSX (MOVDconst [int64(math.Float32bits(val))]))
  1081  	for {
  1082  		val := auxIntToFloat32(v.AuxInt)
  1083  		v.reset(OpRISCV64FMVSX)
  1084  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  1085  		v0.AuxInt = int64ToAuxInt(int64(math.Float32bits(val)))
  1086  		v.AddArg(v0)
  1087  		return true
  1088  	}
  1089  }
  1090  func rewriteValueRISCV64_OpConst64(v *Value) bool {
  1091  	// match: (Const64 [val])
  1092  	// result: (MOVDconst [int64(val)])
  1093  	for {
  1094  		val := auxIntToInt64(v.AuxInt)
  1095  		v.reset(OpRISCV64MOVDconst)
  1096  		v.AuxInt = int64ToAuxInt(int64(val))
  1097  		return true
  1098  	}
  1099  }
  1100  func rewriteValueRISCV64_OpConst64F(v *Value) bool {
  1101  	b := v.Block
  1102  	typ := &b.Func.Config.Types
  1103  	// match: (Const64F [val])
  1104  	// result: (FMVDX (MOVDconst [int64(math.Float64bits(val))]))
  1105  	for {
  1106  		val := auxIntToFloat64(v.AuxInt)
  1107  		v.reset(OpRISCV64FMVDX)
  1108  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  1109  		v0.AuxInt = int64ToAuxInt(int64(math.Float64bits(val)))
  1110  		v.AddArg(v0)
  1111  		return true
  1112  	}
  1113  }
  1114  func rewriteValueRISCV64_OpConst8(v *Value) bool {
  1115  	// match: (Const8 [val])
  1116  	// result: (MOVDconst [int64(val)])
  1117  	for {
  1118  		val := auxIntToInt8(v.AuxInt)
  1119  		v.reset(OpRISCV64MOVDconst)
  1120  		v.AuxInt = int64ToAuxInt(int64(val))
  1121  		return true
  1122  	}
  1123  }
  1124  func rewriteValueRISCV64_OpConstBool(v *Value) bool {
  1125  	// match: (ConstBool [val])
  1126  	// result: (MOVDconst [int64(b2i(val))])
  1127  	for {
  1128  		val := auxIntToBool(v.AuxInt)
  1129  		v.reset(OpRISCV64MOVDconst)
  1130  		v.AuxInt = int64ToAuxInt(int64(b2i(val)))
  1131  		return true
  1132  	}
  1133  }
  1134  func rewriteValueRISCV64_OpConstNil(v *Value) bool {
  1135  	// match: (ConstNil)
  1136  	// result: (MOVDconst [0])
  1137  	for {
  1138  		v.reset(OpRISCV64MOVDconst)
  1139  		v.AuxInt = int64ToAuxInt(0)
  1140  		return true
  1141  	}
  1142  }
  1143  func rewriteValueRISCV64_OpCtz16(v *Value) bool {
  1144  	v_0 := v.Args[0]
  1145  	b := v.Block
  1146  	typ := &b.Func.Config.Types
  1147  	// match: (Ctz16 x)
  1148  	// result: (CTZW (ORI <typ.UInt32> [1<<16] x))
  1149  	for {
  1150  		x := v_0
  1151  		v.reset(OpRISCV64CTZW)
  1152  		v0 := b.NewValue0(v.Pos, OpRISCV64ORI, typ.UInt32)
  1153  		v0.AuxInt = int64ToAuxInt(1 << 16)
  1154  		v0.AddArg(x)
  1155  		v.AddArg(v0)
  1156  		return true
  1157  	}
  1158  }
  1159  func rewriteValueRISCV64_OpCtz8(v *Value) bool {
  1160  	v_0 := v.Args[0]
  1161  	b := v.Block
  1162  	typ := &b.Func.Config.Types
  1163  	// match: (Ctz8 x)
  1164  	// result: (CTZW (ORI <typ.UInt32> [1<<8] x))
  1165  	for {
  1166  		x := v_0
  1167  		v.reset(OpRISCV64CTZW)
  1168  		v0 := b.NewValue0(v.Pos, OpRISCV64ORI, typ.UInt32)
  1169  		v0.AuxInt = int64ToAuxInt(1 << 8)
  1170  		v0.AddArg(x)
  1171  		v.AddArg(v0)
  1172  		return true
  1173  	}
  1174  }
  1175  func rewriteValueRISCV64_OpDiv16(v *Value) bool {
  1176  	v_1 := v.Args[1]
  1177  	v_0 := v.Args[0]
  1178  	b := v.Block
  1179  	typ := &b.Func.Config.Types
  1180  	// match: (Div16 x y [false])
  1181  	// result: (DIVW (SignExt16to32 x) (SignExt16to32 y))
  1182  	for {
  1183  		if auxIntToBool(v.AuxInt) != false {
  1184  			break
  1185  		}
  1186  		x := v_0
  1187  		y := v_1
  1188  		v.reset(OpRISCV64DIVW)
  1189  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
  1190  		v0.AddArg(x)
  1191  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
  1192  		v1.AddArg(y)
  1193  		v.AddArg2(v0, v1)
  1194  		return true
  1195  	}
  1196  	return false
  1197  }
  1198  func rewriteValueRISCV64_OpDiv16u(v *Value) bool {
  1199  	v_1 := v.Args[1]
  1200  	v_0 := v.Args[0]
  1201  	b := v.Block
  1202  	typ := &b.Func.Config.Types
  1203  	// match: (Div16u x y)
  1204  	// result: (DIVUW (ZeroExt16to32 x) (ZeroExt16to32 y))
  1205  	for {
  1206  		x := v_0
  1207  		y := v_1
  1208  		v.reset(OpRISCV64DIVUW)
  1209  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
  1210  		v0.AddArg(x)
  1211  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
  1212  		v1.AddArg(y)
  1213  		v.AddArg2(v0, v1)
  1214  		return true
  1215  	}
  1216  }
  1217  func rewriteValueRISCV64_OpDiv32(v *Value) bool {
  1218  	v_1 := v.Args[1]
  1219  	v_0 := v.Args[0]
  1220  	// match: (Div32 x y [false])
  1221  	// result: (DIVW x y)
  1222  	for {
  1223  		if auxIntToBool(v.AuxInt) != false {
  1224  			break
  1225  		}
  1226  		x := v_0
  1227  		y := v_1
  1228  		v.reset(OpRISCV64DIVW)
  1229  		v.AddArg2(x, y)
  1230  		return true
  1231  	}
  1232  	return false
  1233  }
  1234  func rewriteValueRISCV64_OpDiv64(v *Value) bool {
  1235  	v_1 := v.Args[1]
  1236  	v_0 := v.Args[0]
  1237  	// match: (Div64 x y [false])
  1238  	// result: (DIV x y)
  1239  	for {
  1240  		if auxIntToBool(v.AuxInt) != false {
  1241  			break
  1242  		}
  1243  		x := v_0
  1244  		y := v_1
  1245  		v.reset(OpRISCV64DIV)
  1246  		v.AddArg2(x, y)
  1247  		return true
  1248  	}
  1249  	return false
  1250  }
  1251  func rewriteValueRISCV64_OpDiv8(v *Value) bool {
  1252  	v_1 := v.Args[1]
  1253  	v_0 := v.Args[0]
  1254  	b := v.Block
  1255  	typ := &b.Func.Config.Types
  1256  	// match: (Div8 x y)
  1257  	// result: (DIVW (SignExt8to32 x) (SignExt8to32 y))
  1258  	for {
  1259  		x := v_0
  1260  		y := v_1
  1261  		v.reset(OpRISCV64DIVW)
  1262  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
  1263  		v0.AddArg(x)
  1264  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
  1265  		v1.AddArg(y)
  1266  		v.AddArg2(v0, v1)
  1267  		return true
  1268  	}
  1269  }
  1270  func rewriteValueRISCV64_OpDiv8u(v *Value) bool {
  1271  	v_1 := v.Args[1]
  1272  	v_0 := v.Args[0]
  1273  	b := v.Block
  1274  	typ := &b.Func.Config.Types
  1275  	// match: (Div8u x y)
  1276  	// result: (DIVUW (ZeroExt8to32 x) (ZeroExt8to32 y))
  1277  	for {
  1278  		x := v_0
  1279  		y := v_1
  1280  		v.reset(OpRISCV64DIVUW)
  1281  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
  1282  		v0.AddArg(x)
  1283  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
  1284  		v1.AddArg(y)
  1285  		v.AddArg2(v0, v1)
  1286  		return true
  1287  	}
  1288  }
  1289  func rewriteValueRISCV64_OpEq16(v *Value) bool {
  1290  	v_1 := v.Args[1]
  1291  	v_0 := v.Args[0]
  1292  	b := v.Block
  1293  	typ := &b.Func.Config.Types
  1294  	// match: (Eq16 x y)
  1295  	// result: (SEQZ (SUB <x.Type> (ZeroExt16to64 x) (ZeroExt16to64 y)))
  1296  	for {
  1297  		x := v_0
  1298  		y := v_1
  1299  		v.reset(OpRISCV64SEQZ)
  1300  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, x.Type)
  1301  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  1302  		v1.AddArg(x)
  1303  		v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  1304  		v2.AddArg(y)
  1305  		v0.AddArg2(v1, v2)
  1306  		v.AddArg(v0)
  1307  		return true
  1308  	}
  1309  }
  1310  func rewriteValueRISCV64_OpEq32(v *Value) bool {
  1311  	v_1 := v.Args[1]
  1312  	v_0 := v.Args[0]
  1313  	b := v.Block
  1314  	typ := &b.Func.Config.Types
  1315  	// match: (Eq32 x y)
  1316  	// cond: x.Type.IsSigned()
  1317  	// result: (SEQZ (SUB <x.Type> (SignExt32to64 x) (SignExt32to64 y)))
  1318  	for {
  1319  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1320  			x := v_0
  1321  			y := v_1
  1322  			if !(x.Type.IsSigned()) {
  1323  				continue
  1324  			}
  1325  			v.reset(OpRISCV64SEQZ)
  1326  			v0 := b.NewValue0(v.Pos, OpRISCV64SUB, x.Type)
  1327  			v1 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
  1328  			v1.AddArg(x)
  1329  			v2 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
  1330  			v2.AddArg(y)
  1331  			v0.AddArg2(v1, v2)
  1332  			v.AddArg(v0)
  1333  			return true
  1334  		}
  1335  		break
  1336  	}
  1337  	// match: (Eq32 x y)
  1338  	// cond: !x.Type.IsSigned()
  1339  	// result: (SEQZ (SUB <x.Type> (ZeroExt32to64 x) (ZeroExt32to64 y)))
  1340  	for {
  1341  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1342  			x := v_0
  1343  			y := v_1
  1344  			if !(!x.Type.IsSigned()) {
  1345  				continue
  1346  			}
  1347  			v.reset(OpRISCV64SEQZ)
  1348  			v0 := b.NewValue0(v.Pos, OpRISCV64SUB, x.Type)
  1349  			v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1350  			v1.AddArg(x)
  1351  			v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1352  			v2.AddArg(y)
  1353  			v0.AddArg2(v1, v2)
  1354  			v.AddArg(v0)
  1355  			return true
  1356  		}
  1357  		break
  1358  	}
  1359  	return false
  1360  }
  1361  func rewriteValueRISCV64_OpEq64(v *Value) bool {
  1362  	v_1 := v.Args[1]
  1363  	v_0 := v.Args[0]
  1364  	b := v.Block
  1365  	// match: (Eq64 x y)
  1366  	// result: (SEQZ (SUB <x.Type> x y))
  1367  	for {
  1368  		x := v_0
  1369  		y := v_1
  1370  		v.reset(OpRISCV64SEQZ)
  1371  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, x.Type)
  1372  		v0.AddArg2(x, y)
  1373  		v.AddArg(v0)
  1374  		return true
  1375  	}
  1376  }
  1377  func rewriteValueRISCV64_OpEq8(v *Value) bool {
  1378  	v_1 := v.Args[1]
  1379  	v_0 := v.Args[0]
  1380  	b := v.Block
  1381  	typ := &b.Func.Config.Types
  1382  	// match: (Eq8 x y)
  1383  	// result: (SEQZ (SUB <x.Type> (ZeroExt8to64 x) (ZeroExt8to64 y)))
  1384  	for {
  1385  		x := v_0
  1386  		y := v_1
  1387  		v.reset(OpRISCV64SEQZ)
  1388  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, x.Type)
  1389  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  1390  		v1.AddArg(x)
  1391  		v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  1392  		v2.AddArg(y)
  1393  		v0.AddArg2(v1, v2)
  1394  		v.AddArg(v0)
  1395  		return true
  1396  	}
  1397  }
  1398  func rewriteValueRISCV64_OpEqB(v *Value) bool {
  1399  	v_1 := v.Args[1]
  1400  	v_0 := v.Args[0]
  1401  	b := v.Block
  1402  	typ := &b.Func.Config.Types
  1403  	// match: (EqB x y)
  1404  	// result: (SEQZ (SUB <typ.Bool> x y))
  1405  	for {
  1406  		x := v_0
  1407  		y := v_1
  1408  		v.reset(OpRISCV64SEQZ)
  1409  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, typ.Bool)
  1410  		v0.AddArg2(x, y)
  1411  		v.AddArg(v0)
  1412  		return true
  1413  	}
  1414  }
  1415  func rewriteValueRISCV64_OpEqPtr(v *Value) bool {
  1416  	v_1 := v.Args[1]
  1417  	v_0 := v.Args[0]
  1418  	b := v.Block
  1419  	typ := &b.Func.Config.Types
  1420  	// match: (EqPtr x y)
  1421  	// result: (SEQZ (SUB <typ.Uintptr> x y))
  1422  	for {
  1423  		x := v_0
  1424  		y := v_1
  1425  		v.reset(OpRISCV64SEQZ)
  1426  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, typ.Uintptr)
  1427  		v0.AddArg2(x, y)
  1428  		v.AddArg(v0)
  1429  		return true
  1430  	}
  1431  }
  1432  func rewriteValueRISCV64_OpHmul32(v *Value) bool {
  1433  	v_1 := v.Args[1]
  1434  	v_0 := v.Args[0]
  1435  	b := v.Block
  1436  	typ := &b.Func.Config.Types
  1437  	// match: (Hmul32 x y)
  1438  	// result: (SRAI [32] (MUL (SignExt32to64 x) (SignExt32to64 y)))
  1439  	for {
  1440  		x := v_0
  1441  		y := v_1
  1442  		v.reset(OpRISCV64SRAI)
  1443  		v.AuxInt = int64ToAuxInt(32)
  1444  		v0 := b.NewValue0(v.Pos, OpRISCV64MUL, typ.Int64)
  1445  		v1 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
  1446  		v1.AddArg(x)
  1447  		v2 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
  1448  		v2.AddArg(y)
  1449  		v0.AddArg2(v1, v2)
  1450  		v.AddArg(v0)
  1451  		return true
  1452  	}
  1453  }
  1454  func rewriteValueRISCV64_OpHmul32u(v *Value) bool {
  1455  	v_1 := v.Args[1]
  1456  	v_0 := v.Args[0]
  1457  	b := v.Block
  1458  	typ := &b.Func.Config.Types
  1459  	// match: (Hmul32u x y)
  1460  	// result: (SRLI [32] (MUL (ZeroExt32to64 x) (ZeroExt32to64 y)))
  1461  	for {
  1462  		x := v_0
  1463  		y := v_1
  1464  		v.reset(OpRISCV64SRLI)
  1465  		v.AuxInt = int64ToAuxInt(32)
  1466  		v0 := b.NewValue0(v.Pos, OpRISCV64MUL, typ.Int64)
  1467  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1468  		v1.AddArg(x)
  1469  		v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1470  		v2.AddArg(y)
  1471  		v0.AddArg2(v1, v2)
  1472  		v.AddArg(v0)
  1473  		return true
  1474  	}
  1475  }
  1476  func rewriteValueRISCV64_OpLeq16(v *Value) bool {
  1477  	v_1 := v.Args[1]
  1478  	v_0 := v.Args[0]
  1479  	b := v.Block
  1480  	typ := &b.Func.Config.Types
  1481  	// match: (Leq16 x y)
  1482  	// result: (Not (Less16 y x))
  1483  	for {
  1484  		x := v_0
  1485  		y := v_1
  1486  		v.reset(OpNot)
  1487  		v0 := b.NewValue0(v.Pos, OpLess16, typ.Bool)
  1488  		v0.AddArg2(y, x)
  1489  		v.AddArg(v0)
  1490  		return true
  1491  	}
  1492  }
  1493  func rewriteValueRISCV64_OpLeq16U(v *Value) bool {
  1494  	v_1 := v.Args[1]
  1495  	v_0 := v.Args[0]
  1496  	b := v.Block
  1497  	typ := &b.Func.Config.Types
  1498  	// match: (Leq16U x y)
  1499  	// result: (Not (Less16U y x))
  1500  	for {
  1501  		x := v_0
  1502  		y := v_1
  1503  		v.reset(OpNot)
  1504  		v0 := b.NewValue0(v.Pos, OpLess16U, typ.Bool)
  1505  		v0.AddArg2(y, x)
  1506  		v.AddArg(v0)
  1507  		return true
  1508  	}
  1509  }
  1510  func rewriteValueRISCV64_OpLeq32(v *Value) bool {
  1511  	v_1 := v.Args[1]
  1512  	v_0 := v.Args[0]
  1513  	b := v.Block
  1514  	typ := &b.Func.Config.Types
  1515  	// match: (Leq32 x y)
  1516  	// result: (Not (Less32 y x))
  1517  	for {
  1518  		x := v_0
  1519  		y := v_1
  1520  		v.reset(OpNot)
  1521  		v0 := b.NewValue0(v.Pos, OpLess32, typ.Bool)
  1522  		v0.AddArg2(y, x)
  1523  		v.AddArg(v0)
  1524  		return true
  1525  	}
  1526  }
  1527  func rewriteValueRISCV64_OpLeq32U(v *Value) bool {
  1528  	v_1 := v.Args[1]
  1529  	v_0 := v.Args[0]
  1530  	b := v.Block
  1531  	typ := &b.Func.Config.Types
  1532  	// match: (Leq32U x y)
  1533  	// result: (Not (Less32U y x))
  1534  	for {
  1535  		x := v_0
  1536  		y := v_1
  1537  		v.reset(OpNot)
  1538  		v0 := b.NewValue0(v.Pos, OpLess32U, typ.Bool)
  1539  		v0.AddArg2(y, x)
  1540  		v.AddArg(v0)
  1541  		return true
  1542  	}
  1543  }
  1544  func rewriteValueRISCV64_OpLeq64(v *Value) bool {
  1545  	v_1 := v.Args[1]
  1546  	v_0 := v.Args[0]
  1547  	b := v.Block
  1548  	typ := &b.Func.Config.Types
  1549  	// match: (Leq64 x y)
  1550  	// result: (Not (Less64 y x))
  1551  	for {
  1552  		x := v_0
  1553  		y := v_1
  1554  		v.reset(OpNot)
  1555  		v0 := b.NewValue0(v.Pos, OpLess64, typ.Bool)
  1556  		v0.AddArg2(y, x)
  1557  		v.AddArg(v0)
  1558  		return true
  1559  	}
  1560  }
  1561  func rewriteValueRISCV64_OpLeq64U(v *Value) bool {
  1562  	v_1 := v.Args[1]
  1563  	v_0 := v.Args[0]
  1564  	b := v.Block
  1565  	typ := &b.Func.Config.Types
  1566  	// match: (Leq64U x y)
  1567  	// result: (Not (Less64U y x))
  1568  	for {
  1569  		x := v_0
  1570  		y := v_1
  1571  		v.reset(OpNot)
  1572  		v0 := b.NewValue0(v.Pos, OpLess64U, typ.Bool)
  1573  		v0.AddArg2(y, x)
  1574  		v.AddArg(v0)
  1575  		return true
  1576  	}
  1577  }
  1578  func rewriteValueRISCV64_OpLeq8(v *Value) bool {
  1579  	v_1 := v.Args[1]
  1580  	v_0 := v.Args[0]
  1581  	b := v.Block
  1582  	typ := &b.Func.Config.Types
  1583  	// match: (Leq8 x y)
  1584  	// result: (Not (Less8 y x))
  1585  	for {
  1586  		x := v_0
  1587  		y := v_1
  1588  		v.reset(OpNot)
  1589  		v0 := b.NewValue0(v.Pos, OpLess8, typ.Bool)
  1590  		v0.AddArg2(y, x)
  1591  		v.AddArg(v0)
  1592  		return true
  1593  	}
  1594  }
  1595  func rewriteValueRISCV64_OpLeq8U(v *Value) bool {
  1596  	v_1 := v.Args[1]
  1597  	v_0 := v.Args[0]
  1598  	b := v.Block
  1599  	typ := &b.Func.Config.Types
  1600  	// match: (Leq8U x y)
  1601  	// result: (Not (Less8U y x))
  1602  	for {
  1603  		x := v_0
  1604  		y := v_1
  1605  		v.reset(OpNot)
  1606  		v0 := b.NewValue0(v.Pos, OpLess8U, typ.Bool)
  1607  		v0.AddArg2(y, x)
  1608  		v.AddArg(v0)
  1609  		return true
  1610  	}
  1611  }
  1612  func rewriteValueRISCV64_OpLess16(v *Value) bool {
  1613  	v_1 := v.Args[1]
  1614  	v_0 := v.Args[0]
  1615  	b := v.Block
  1616  	typ := &b.Func.Config.Types
  1617  	// match: (Less16 x y)
  1618  	// result: (SLT (SignExt16to64 x) (SignExt16to64 y))
  1619  	for {
  1620  		x := v_0
  1621  		y := v_1
  1622  		v.reset(OpRISCV64SLT)
  1623  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  1624  		v0.AddArg(x)
  1625  		v1 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  1626  		v1.AddArg(y)
  1627  		v.AddArg2(v0, v1)
  1628  		return true
  1629  	}
  1630  }
  1631  func rewriteValueRISCV64_OpLess16U(v *Value) bool {
  1632  	v_1 := v.Args[1]
  1633  	v_0 := v.Args[0]
  1634  	b := v.Block
  1635  	typ := &b.Func.Config.Types
  1636  	// match: (Less16U x y)
  1637  	// result: (SLTU (ZeroExt16to64 x) (ZeroExt16to64 y))
  1638  	for {
  1639  		x := v_0
  1640  		y := v_1
  1641  		v.reset(OpRISCV64SLTU)
  1642  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  1643  		v0.AddArg(x)
  1644  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  1645  		v1.AddArg(y)
  1646  		v.AddArg2(v0, v1)
  1647  		return true
  1648  	}
  1649  }
  1650  func rewriteValueRISCV64_OpLess32(v *Value) bool {
  1651  	v_1 := v.Args[1]
  1652  	v_0 := v.Args[0]
  1653  	b := v.Block
  1654  	typ := &b.Func.Config.Types
  1655  	// match: (Less32 x y)
  1656  	// result: (SLT (SignExt32to64 x) (SignExt32to64 y))
  1657  	for {
  1658  		x := v_0
  1659  		y := v_1
  1660  		v.reset(OpRISCV64SLT)
  1661  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
  1662  		v0.AddArg(x)
  1663  		v1 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
  1664  		v1.AddArg(y)
  1665  		v.AddArg2(v0, v1)
  1666  		return true
  1667  	}
  1668  }
  1669  func rewriteValueRISCV64_OpLess32U(v *Value) bool {
  1670  	v_1 := v.Args[1]
  1671  	v_0 := v.Args[0]
  1672  	b := v.Block
  1673  	typ := &b.Func.Config.Types
  1674  	// match: (Less32U x y)
  1675  	// result: (SLTU (ZeroExt32to64 x) (ZeroExt32to64 y))
  1676  	for {
  1677  		x := v_0
  1678  		y := v_1
  1679  		v.reset(OpRISCV64SLTU)
  1680  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1681  		v0.AddArg(x)
  1682  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1683  		v1.AddArg(y)
  1684  		v.AddArg2(v0, v1)
  1685  		return true
  1686  	}
  1687  }
  1688  func rewriteValueRISCV64_OpLess8(v *Value) bool {
  1689  	v_1 := v.Args[1]
  1690  	v_0 := v.Args[0]
  1691  	b := v.Block
  1692  	typ := &b.Func.Config.Types
  1693  	// match: (Less8 x y)
  1694  	// result: (SLT (SignExt8to64 x) (SignExt8to64 y))
  1695  	for {
  1696  		x := v_0
  1697  		y := v_1
  1698  		v.reset(OpRISCV64SLT)
  1699  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  1700  		v0.AddArg(x)
  1701  		v1 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  1702  		v1.AddArg(y)
  1703  		v.AddArg2(v0, v1)
  1704  		return true
  1705  	}
  1706  }
  1707  func rewriteValueRISCV64_OpLess8U(v *Value) bool {
  1708  	v_1 := v.Args[1]
  1709  	v_0 := v.Args[0]
  1710  	b := v.Block
  1711  	typ := &b.Func.Config.Types
  1712  	// match: (Less8U x y)
  1713  	// result: (SLTU (ZeroExt8to64 x) (ZeroExt8to64 y))
  1714  	for {
  1715  		x := v_0
  1716  		y := v_1
  1717  		v.reset(OpRISCV64SLTU)
  1718  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  1719  		v0.AddArg(x)
  1720  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  1721  		v1.AddArg(y)
  1722  		v.AddArg2(v0, v1)
  1723  		return true
  1724  	}
  1725  }
  1726  func rewriteValueRISCV64_OpLoad(v *Value) bool {
  1727  	v_1 := v.Args[1]
  1728  	v_0 := v.Args[0]
  1729  	// match: (Load <t> ptr mem)
  1730  	// cond: t.IsBoolean()
  1731  	// result: (MOVBUload ptr mem)
  1732  	for {
  1733  		t := v.Type
  1734  		ptr := v_0
  1735  		mem := v_1
  1736  		if !(t.IsBoolean()) {
  1737  			break
  1738  		}
  1739  		v.reset(OpRISCV64MOVBUload)
  1740  		v.AddArg2(ptr, mem)
  1741  		return true
  1742  	}
  1743  	// match: (Load <t> ptr mem)
  1744  	// cond: ( is8BitInt(t) && t.IsSigned())
  1745  	// result: (MOVBload ptr mem)
  1746  	for {
  1747  		t := v.Type
  1748  		ptr := v_0
  1749  		mem := v_1
  1750  		if !(is8BitInt(t) && t.IsSigned()) {
  1751  			break
  1752  		}
  1753  		v.reset(OpRISCV64MOVBload)
  1754  		v.AddArg2(ptr, mem)
  1755  		return true
  1756  	}
  1757  	// match: (Load <t> ptr mem)
  1758  	// cond: ( is8BitInt(t) && !t.IsSigned())
  1759  	// result: (MOVBUload ptr mem)
  1760  	for {
  1761  		t := v.Type
  1762  		ptr := v_0
  1763  		mem := v_1
  1764  		if !(is8BitInt(t) && !t.IsSigned()) {
  1765  			break
  1766  		}
  1767  		v.reset(OpRISCV64MOVBUload)
  1768  		v.AddArg2(ptr, mem)
  1769  		return true
  1770  	}
  1771  	// match: (Load <t> ptr mem)
  1772  	// cond: (is16BitInt(t) && t.IsSigned())
  1773  	// result: (MOVHload ptr mem)
  1774  	for {
  1775  		t := v.Type
  1776  		ptr := v_0
  1777  		mem := v_1
  1778  		if !(is16BitInt(t) && t.IsSigned()) {
  1779  			break
  1780  		}
  1781  		v.reset(OpRISCV64MOVHload)
  1782  		v.AddArg2(ptr, mem)
  1783  		return true
  1784  	}
  1785  	// match: (Load <t> ptr mem)
  1786  	// cond: (is16BitInt(t) && !t.IsSigned())
  1787  	// result: (MOVHUload ptr mem)
  1788  	for {
  1789  		t := v.Type
  1790  		ptr := v_0
  1791  		mem := v_1
  1792  		if !(is16BitInt(t) && !t.IsSigned()) {
  1793  			break
  1794  		}
  1795  		v.reset(OpRISCV64MOVHUload)
  1796  		v.AddArg2(ptr, mem)
  1797  		return true
  1798  	}
  1799  	// match: (Load <t> ptr mem)
  1800  	// cond: (is32BitInt(t) && t.IsSigned())
  1801  	// result: (MOVWload ptr mem)
  1802  	for {
  1803  		t := v.Type
  1804  		ptr := v_0
  1805  		mem := v_1
  1806  		if !(is32BitInt(t) && t.IsSigned()) {
  1807  			break
  1808  		}
  1809  		v.reset(OpRISCV64MOVWload)
  1810  		v.AddArg2(ptr, mem)
  1811  		return true
  1812  	}
  1813  	// match: (Load <t> ptr mem)
  1814  	// cond: (is32BitInt(t) && !t.IsSigned())
  1815  	// result: (MOVWUload ptr mem)
  1816  	for {
  1817  		t := v.Type
  1818  		ptr := v_0
  1819  		mem := v_1
  1820  		if !(is32BitInt(t) && !t.IsSigned()) {
  1821  			break
  1822  		}
  1823  		v.reset(OpRISCV64MOVWUload)
  1824  		v.AddArg2(ptr, mem)
  1825  		return true
  1826  	}
  1827  	// match: (Load <t> ptr mem)
  1828  	// cond: (is64BitInt(t) || isPtr(t))
  1829  	// result: (MOVDload ptr mem)
  1830  	for {
  1831  		t := v.Type
  1832  		ptr := v_0
  1833  		mem := v_1
  1834  		if !(is64BitInt(t) || isPtr(t)) {
  1835  			break
  1836  		}
  1837  		v.reset(OpRISCV64MOVDload)
  1838  		v.AddArg2(ptr, mem)
  1839  		return true
  1840  	}
  1841  	// match: (Load <t> ptr mem)
  1842  	// cond: is32BitFloat(t)
  1843  	// result: (FMOVWload ptr mem)
  1844  	for {
  1845  		t := v.Type
  1846  		ptr := v_0
  1847  		mem := v_1
  1848  		if !(is32BitFloat(t)) {
  1849  			break
  1850  		}
  1851  		v.reset(OpRISCV64FMOVWload)
  1852  		v.AddArg2(ptr, mem)
  1853  		return true
  1854  	}
  1855  	// match: (Load <t> ptr mem)
  1856  	// cond: is64BitFloat(t)
  1857  	// result: (FMOVDload ptr mem)
  1858  	for {
  1859  		t := v.Type
  1860  		ptr := v_0
  1861  		mem := v_1
  1862  		if !(is64BitFloat(t)) {
  1863  			break
  1864  		}
  1865  		v.reset(OpRISCV64FMOVDload)
  1866  		v.AddArg2(ptr, mem)
  1867  		return true
  1868  	}
  1869  	return false
  1870  }
  1871  func rewriteValueRISCV64_OpLocalAddr(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: (LocalAddr <t> {sym} base mem)
  1877  	// cond: t.Elem().HasPointers()
  1878  	// result: (MOVaddr {sym} (SPanchored base mem))
  1879  	for {
  1880  		t := v.Type
  1881  		sym := auxToSym(v.Aux)
  1882  		base := v_0
  1883  		mem := v_1
  1884  		if !(t.Elem().HasPointers()) {
  1885  			break
  1886  		}
  1887  		v.reset(OpRISCV64MOVaddr)
  1888  		v.Aux = symToAux(sym)
  1889  		v0 := b.NewValue0(v.Pos, OpSPanchored, typ.Uintptr)
  1890  		v0.AddArg2(base, mem)
  1891  		v.AddArg(v0)
  1892  		return true
  1893  	}
  1894  	// match: (LocalAddr <t> {sym} base _)
  1895  	// cond: !t.Elem().HasPointers()
  1896  	// result: (MOVaddr {sym} base)
  1897  	for {
  1898  		t := v.Type
  1899  		sym := auxToSym(v.Aux)
  1900  		base := v_0
  1901  		if !(!t.Elem().HasPointers()) {
  1902  			break
  1903  		}
  1904  		v.reset(OpRISCV64MOVaddr)
  1905  		v.Aux = symToAux(sym)
  1906  		v.AddArg(base)
  1907  		return true
  1908  	}
  1909  	return false
  1910  }
  1911  func rewriteValueRISCV64_OpLsh16x16(v *Value) bool {
  1912  	v_1 := v.Args[1]
  1913  	v_0 := v.Args[0]
  1914  	b := v.Block
  1915  	typ := &b.Func.Config.Types
  1916  	// match: (Lsh16x16 <t> x y)
  1917  	// cond: !shiftIsBounded(v)
  1918  	// result: (AND (SLL <t> x y) (Neg16 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  1919  	for {
  1920  		t := v.Type
  1921  		x := v_0
  1922  		y := v_1
  1923  		if !(!shiftIsBounded(v)) {
  1924  			break
  1925  		}
  1926  		v.reset(OpRISCV64AND)
  1927  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  1928  		v0.AddArg2(x, y)
  1929  		v1 := b.NewValue0(v.Pos, OpNeg16, t)
  1930  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  1931  		v2.AuxInt = int64ToAuxInt(64)
  1932  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  1933  		v3.AddArg(y)
  1934  		v2.AddArg(v3)
  1935  		v1.AddArg(v2)
  1936  		v.AddArg2(v0, v1)
  1937  		return true
  1938  	}
  1939  	// match: (Lsh16x16 x y)
  1940  	// cond: shiftIsBounded(v)
  1941  	// result: (SLL x y)
  1942  	for {
  1943  		x := v_0
  1944  		y := v_1
  1945  		if !(shiftIsBounded(v)) {
  1946  			break
  1947  		}
  1948  		v.reset(OpRISCV64SLL)
  1949  		v.AddArg2(x, y)
  1950  		return true
  1951  	}
  1952  	return false
  1953  }
  1954  func rewriteValueRISCV64_OpLsh16x32(v *Value) bool {
  1955  	v_1 := v.Args[1]
  1956  	v_0 := v.Args[0]
  1957  	b := v.Block
  1958  	typ := &b.Func.Config.Types
  1959  	// match: (Lsh16x32 <t> x y)
  1960  	// cond: !shiftIsBounded(v)
  1961  	// result: (AND (SLL <t> x y) (Neg16 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  1962  	for {
  1963  		t := v.Type
  1964  		x := v_0
  1965  		y := v_1
  1966  		if !(!shiftIsBounded(v)) {
  1967  			break
  1968  		}
  1969  		v.reset(OpRISCV64AND)
  1970  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  1971  		v0.AddArg2(x, y)
  1972  		v1 := b.NewValue0(v.Pos, OpNeg16, t)
  1973  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  1974  		v2.AuxInt = int64ToAuxInt(64)
  1975  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  1976  		v3.AddArg(y)
  1977  		v2.AddArg(v3)
  1978  		v1.AddArg(v2)
  1979  		v.AddArg2(v0, v1)
  1980  		return true
  1981  	}
  1982  	// match: (Lsh16x32 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_OpLsh16x64(v *Value) bool {
  1998  	v_1 := v.Args[1]
  1999  	v_0 := v.Args[0]
  2000  	b := v.Block
  2001  	// match: (Lsh16x64 <t> x y)
  2002  	// cond: !shiftIsBounded(v)
  2003  	// result: (AND (SLL <t> x y) (Neg16 <t> (SLTIU <t> [64] y)))
  2004  	for {
  2005  		t := v.Type
  2006  		x := v_0
  2007  		y := v_1
  2008  		if !(!shiftIsBounded(v)) {
  2009  			break
  2010  		}
  2011  		v.reset(OpRISCV64AND)
  2012  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2013  		v0.AddArg2(x, y)
  2014  		v1 := b.NewValue0(v.Pos, OpNeg16, t)
  2015  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2016  		v2.AuxInt = int64ToAuxInt(64)
  2017  		v2.AddArg(y)
  2018  		v1.AddArg(v2)
  2019  		v.AddArg2(v0, v1)
  2020  		return true
  2021  	}
  2022  	// match: (Lsh16x64 x y)
  2023  	// cond: shiftIsBounded(v)
  2024  	// result: (SLL x y)
  2025  	for {
  2026  		x := v_0
  2027  		y := v_1
  2028  		if !(shiftIsBounded(v)) {
  2029  			break
  2030  		}
  2031  		v.reset(OpRISCV64SLL)
  2032  		v.AddArg2(x, y)
  2033  		return true
  2034  	}
  2035  	return false
  2036  }
  2037  func rewriteValueRISCV64_OpLsh16x8(v *Value) bool {
  2038  	v_1 := v.Args[1]
  2039  	v_0 := v.Args[0]
  2040  	b := v.Block
  2041  	typ := &b.Func.Config.Types
  2042  	// match: (Lsh16x8 <t> x y)
  2043  	// cond: !shiftIsBounded(v)
  2044  	// result: (AND (SLL <t> x y) (Neg16 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  2045  	for {
  2046  		t := v.Type
  2047  		x := v_0
  2048  		y := v_1
  2049  		if !(!shiftIsBounded(v)) {
  2050  			break
  2051  		}
  2052  		v.reset(OpRISCV64AND)
  2053  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2054  		v0.AddArg2(x, y)
  2055  		v1 := b.NewValue0(v.Pos, OpNeg16, t)
  2056  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2057  		v2.AuxInt = int64ToAuxInt(64)
  2058  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  2059  		v3.AddArg(y)
  2060  		v2.AddArg(v3)
  2061  		v1.AddArg(v2)
  2062  		v.AddArg2(v0, v1)
  2063  		return true
  2064  	}
  2065  	// match: (Lsh16x8 x y)
  2066  	// cond: shiftIsBounded(v)
  2067  	// result: (SLL x y)
  2068  	for {
  2069  		x := v_0
  2070  		y := v_1
  2071  		if !(shiftIsBounded(v)) {
  2072  			break
  2073  		}
  2074  		v.reset(OpRISCV64SLL)
  2075  		v.AddArg2(x, y)
  2076  		return true
  2077  	}
  2078  	return false
  2079  }
  2080  func rewriteValueRISCV64_OpLsh32x16(v *Value) bool {
  2081  	v_1 := v.Args[1]
  2082  	v_0 := v.Args[0]
  2083  	b := v.Block
  2084  	typ := &b.Func.Config.Types
  2085  	// match: (Lsh32x16 <t> x y)
  2086  	// cond: !shiftIsBounded(v)
  2087  	// result: (AND (SLL <t> x y) (Neg32 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  2088  	for {
  2089  		t := v.Type
  2090  		x := v_0
  2091  		y := v_1
  2092  		if !(!shiftIsBounded(v)) {
  2093  			break
  2094  		}
  2095  		v.reset(OpRISCV64AND)
  2096  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2097  		v0.AddArg2(x, y)
  2098  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  2099  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2100  		v2.AuxInt = int64ToAuxInt(64)
  2101  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  2102  		v3.AddArg(y)
  2103  		v2.AddArg(v3)
  2104  		v1.AddArg(v2)
  2105  		v.AddArg2(v0, v1)
  2106  		return true
  2107  	}
  2108  	// match: (Lsh32x16 x y)
  2109  	// cond: shiftIsBounded(v)
  2110  	// result: (SLL x y)
  2111  	for {
  2112  		x := v_0
  2113  		y := v_1
  2114  		if !(shiftIsBounded(v)) {
  2115  			break
  2116  		}
  2117  		v.reset(OpRISCV64SLL)
  2118  		v.AddArg2(x, y)
  2119  		return true
  2120  	}
  2121  	return false
  2122  }
  2123  func rewriteValueRISCV64_OpLsh32x32(v *Value) bool {
  2124  	v_1 := v.Args[1]
  2125  	v_0 := v.Args[0]
  2126  	b := v.Block
  2127  	typ := &b.Func.Config.Types
  2128  	// match: (Lsh32x32 <t> x y)
  2129  	// cond: !shiftIsBounded(v)
  2130  	// result: (AND (SLL <t> x y) (Neg32 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  2131  	for {
  2132  		t := v.Type
  2133  		x := v_0
  2134  		y := v_1
  2135  		if !(!shiftIsBounded(v)) {
  2136  			break
  2137  		}
  2138  		v.reset(OpRISCV64AND)
  2139  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2140  		v0.AddArg2(x, y)
  2141  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  2142  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2143  		v2.AuxInt = int64ToAuxInt(64)
  2144  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  2145  		v3.AddArg(y)
  2146  		v2.AddArg(v3)
  2147  		v1.AddArg(v2)
  2148  		v.AddArg2(v0, v1)
  2149  		return true
  2150  	}
  2151  	// match: (Lsh32x32 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_OpLsh32x64(v *Value) bool {
  2167  	v_1 := v.Args[1]
  2168  	v_0 := v.Args[0]
  2169  	b := v.Block
  2170  	// match: (Lsh32x64 <t> x y)
  2171  	// cond: !shiftIsBounded(v)
  2172  	// result: (AND (SLL <t> x y) (Neg32 <t> (SLTIU <t> [64] y)))
  2173  	for {
  2174  		t := v.Type
  2175  		x := v_0
  2176  		y := v_1
  2177  		if !(!shiftIsBounded(v)) {
  2178  			break
  2179  		}
  2180  		v.reset(OpRISCV64AND)
  2181  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2182  		v0.AddArg2(x, y)
  2183  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  2184  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2185  		v2.AuxInt = int64ToAuxInt(64)
  2186  		v2.AddArg(y)
  2187  		v1.AddArg(v2)
  2188  		v.AddArg2(v0, v1)
  2189  		return true
  2190  	}
  2191  	// match: (Lsh32x64 x y)
  2192  	// cond: shiftIsBounded(v)
  2193  	// result: (SLL x y)
  2194  	for {
  2195  		x := v_0
  2196  		y := v_1
  2197  		if !(shiftIsBounded(v)) {
  2198  			break
  2199  		}
  2200  		v.reset(OpRISCV64SLL)
  2201  		v.AddArg2(x, y)
  2202  		return true
  2203  	}
  2204  	return false
  2205  }
  2206  func rewriteValueRISCV64_OpLsh32x8(v *Value) bool {
  2207  	v_1 := v.Args[1]
  2208  	v_0 := v.Args[0]
  2209  	b := v.Block
  2210  	typ := &b.Func.Config.Types
  2211  	// match: (Lsh32x8 <t> x y)
  2212  	// cond: !shiftIsBounded(v)
  2213  	// result: (AND (SLL <t> x y) (Neg32 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  2214  	for {
  2215  		t := v.Type
  2216  		x := v_0
  2217  		y := v_1
  2218  		if !(!shiftIsBounded(v)) {
  2219  			break
  2220  		}
  2221  		v.reset(OpRISCV64AND)
  2222  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2223  		v0.AddArg2(x, y)
  2224  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  2225  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2226  		v2.AuxInt = int64ToAuxInt(64)
  2227  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  2228  		v3.AddArg(y)
  2229  		v2.AddArg(v3)
  2230  		v1.AddArg(v2)
  2231  		v.AddArg2(v0, v1)
  2232  		return true
  2233  	}
  2234  	// match: (Lsh32x8 x y)
  2235  	// cond: shiftIsBounded(v)
  2236  	// result: (SLL x y)
  2237  	for {
  2238  		x := v_0
  2239  		y := v_1
  2240  		if !(shiftIsBounded(v)) {
  2241  			break
  2242  		}
  2243  		v.reset(OpRISCV64SLL)
  2244  		v.AddArg2(x, y)
  2245  		return true
  2246  	}
  2247  	return false
  2248  }
  2249  func rewriteValueRISCV64_OpLsh64x16(v *Value) bool {
  2250  	v_1 := v.Args[1]
  2251  	v_0 := v.Args[0]
  2252  	b := v.Block
  2253  	typ := &b.Func.Config.Types
  2254  	// match: (Lsh64x16 <t> x y)
  2255  	// cond: !shiftIsBounded(v)
  2256  	// result: (AND (SLL <t> x y) (Neg64 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  2257  	for {
  2258  		t := v.Type
  2259  		x := v_0
  2260  		y := v_1
  2261  		if !(!shiftIsBounded(v)) {
  2262  			break
  2263  		}
  2264  		v.reset(OpRISCV64AND)
  2265  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2266  		v0.AddArg2(x, y)
  2267  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  2268  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2269  		v2.AuxInt = int64ToAuxInt(64)
  2270  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  2271  		v3.AddArg(y)
  2272  		v2.AddArg(v3)
  2273  		v1.AddArg(v2)
  2274  		v.AddArg2(v0, v1)
  2275  		return true
  2276  	}
  2277  	// match: (Lsh64x16 x y)
  2278  	// cond: shiftIsBounded(v)
  2279  	// result: (SLL x y)
  2280  	for {
  2281  		x := v_0
  2282  		y := v_1
  2283  		if !(shiftIsBounded(v)) {
  2284  			break
  2285  		}
  2286  		v.reset(OpRISCV64SLL)
  2287  		v.AddArg2(x, y)
  2288  		return true
  2289  	}
  2290  	return false
  2291  }
  2292  func rewriteValueRISCV64_OpLsh64x32(v *Value) bool {
  2293  	v_1 := v.Args[1]
  2294  	v_0 := v.Args[0]
  2295  	b := v.Block
  2296  	typ := &b.Func.Config.Types
  2297  	// match: (Lsh64x32 <t> x y)
  2298  	// cond: !shiftIsBounded(v)
  2299  	// result: (AND (SLL <t> x y) (Neg64 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  2300  	for {
  2301  		t := v.Type
  2302  		x := v_0
  2303  		y := v_1
  2304  		if !(!shiftIsBounded(v)) {
  2305  			break
  2306  		}
  2307  		v.reset(OpRISCV64AND)
  2308  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2309  		v0.AddArg2(x, y)
  2310  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  2311  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2312  		v2.AuxInt = int64ToAuxInt(64)
  2313  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  2314  		v3.AddArg(y)
  2315  		v2.AddArg(v3)
  2316  		v1.AddArg(v2)
  2317  		v.AddArg2(v0, v1)
  2318  		return true
  2319  	}
  2320  	// match: (Lsh64x32 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_OpLsh64x64(v *Value) bool {
  2336  	v_1 := v.Args[1]
  2337  	v_0 := v.Args[0]
  2338  	b := v.Block
  2339  	// match: (Lsh64x64 <t> x y)
  2340  	// cond: !shiftIsBounded(v)
  2341  	// result: (AND (SLL <t> x y) (Neg64 <t> (SLTIU <t> [64] y)))
  2342  	for {
  2343  		t := v.Type
  2344  		x := v_0
  2345  		y := v_1
  2346  		if !(!shiftIsBounded(v)) {
  2347  			break
  2348  		}
  2349  		v.reset(OpRISCV64AND)
  2350  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2351  		v0.AddArg2(x, y)
  2352  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  2353  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2354  		v2.AuxInt = int64ToAuxInt(64)
  2355  		v2.AddArg(y)
  2356  		v1.AddArg(v2)
  2357  		v.AddArg2(v0, v1)
  2358  		return true
  2359  	}
  2360  	// match: (Lsh64x64 x y)
  2361  	// cond: shiftIsBounded(v)
  2362  	// result: (SLL x y)
  2363  	for {
  2364  		x := v_0
  2365  		y := v_1
  2366  		if !(shiftIsBounded(v)) {
  2367  			break
  2368  		}
  2369  		v.reset(OpRISCV64SLL)
  2370  		v.AddArg2(x, y)
  2371  		return true
  2372  	}
  2373  	return false
  2374  }
  2375  func rewriteValueRISCV64_OpLsh64x8(v *Value) bool {
  2376  	v_1 := v.Args[1]
  2377  	v_0 := v.Args[0]
  2378  	b := v.Block
  2379  	typ := &b.Func.Config.Types
  2380  	// match: (Lsh64x8 <t> x y)
  2381  	// cond: !shiftIsBounded(v)
  2382  	// result: (AND (SLL <t> x y) (Neg64 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  2383  	for {
  2384  		t := v.Type
  2385  		x := v_0
  2386  		y := v_1
  2387  		if !(!shiftIsBounded(v)) {
  2388  			break
  2389  		}
  2390  		v.reset(OpRISCV64AND)
  2391  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2392  		v0.AddArg2(x, y)
  2393  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  2394  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2395  		v2.AuxInt = int64ToAuxInt(64)
  2396  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  2397  		v3.AddArg(y)
  2398  		v2.AddArg(v3)
  2399  		v1.AddArg(v2)
  2400  		v.AddArg2(v0, v1)
  2401  		return true
  2402  	}
  2403  	// match: (Lsh64x8 x y)
  2404  	// cond: shiftIsBounded(v)
  2405  	// result: (SLL x y)
  2406  	for {
  2407  		x := v_0
  2408  		y := v_1
  2409  		if !(shiftIsBounded(v)) {
  2410  			break
  2411  		}
  2412  		v.reset(OpRISCV64SLL)
  2413  		v.AddArg2(x, y)
  2414  		return true
  2415  	}
  2416  	return false
  2417  }
  2418  func rewriteValueRISCV64_OpLsh8x16(v *Value) bool {
  2419  	v_1 := v.Args[1]
  2420  	v_0 := v.Args[0]
  2421  	b := v.Block
  2422  	typ := &b.Func.Config.Types
  2423  	// match: (Lsh8x16 <t> x y)
  2424  	// cond: !shiftIsBounded(v)
  2425  	// result: (AND (SLL <t> x y) (Neg8 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  2426  	for {
  2427  		t := v.Type
  2428  		x := v_0
  2429  		y := v_1
  2430  		if !(!shiftIsBounded(v)) {
  2431  			break
  2432  		}
  2433  		v.reset(OpRISCV64AND)
  2434  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2435  		v0.AddArg2(x, y)
  2436  		v1 := b.NewValue0(v.Pos, OpNeg8, t)
  2437  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2438  		v2.AuxInt = int64ToAuxInt(64)
  2439  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  2440  		v3.AddArg(y)
  2441  		v2.AddArg(v3)
  2442  		v1.AddArg(v2)
  2443  		v.AddArg2(v0, v1)
  2444  		return true
  2445  	}
  2446  	// match: (Lsh8x16 x y)
  2447  	// cond: shiftIsBounded(v)
  2448  	// result: (SLL x y)
  2449  	for {
  2450  		x := v_0
  2451  		y := v_1
  2452  		if !(shiftIsBounded(v)) {
  2453  			break
  2454  		}
  2455  		v.reset(OpRISCV64SLL)
  2456  		v.AddArg2(x, y)
  2457  		return true
  2458  	}
  2459  	return false
  2460  }
  2461  func rewriteValueRISCV64_OpLsh8x32(v *Value) bool {
  2462  	v_1 := v.Args[1]
  2463  	v_0 := v.Args[0]
  2464  	b := v.Block
  2465  	typ := &b.Func.Config.Types
  2466  	// match: (Lsh8x32 <t> x y)
  2467  	// cond: !shiftIsBounded(v)
  2468  	// result: (AND (SLL <t> x y) (Neg8 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  2469  	for {
  2470  		t := v.Type
  2471  		x := v_0
  2472  		y := v_1
  2473  		if !(!shiftIsBounded(v)) {
  2474  			break
  2475  		}
  2476  		v.reset(OpRISCV64AND)
  2477  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2478  		v0.AddArg2(x, y)
  2479  		v1 := b.NewValue0(v.Pos, OpNeg8, t)
  2480  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2481  		v2.AuxInt = int64ToAuxInt(64)
  2482  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  2483  		v3.AddArg(y)
  2484  		v2.AddArg(v3)
  2485  		v1.AddArg(v2)
  2486  		v.AddArg2(v0, v1)
  2487  		return true
  2488  	}
  2489  	// match: (Lsh8x32 x y)
  2490  	// cond: shiftIsBounded(v)
  2491  	// result: (SLL x y)
  2492  	for {
  2493  		x := v_0
  2494  		y := v_1
  2495  		if !(shiftIsBounded(v)) {
  2496  			break
  2497  		}
  2498  		v.reset(OpRISCV64SLL)
  2499  		v.AddArg2(x, y)
  2500  		return true
  2501  	}
  2502  	return false
  2503  }
  2504  func rewriteValueRISCV64_OpLsh8x64(v *Value) bool {
  2505  	v_1 := v.Args[1]
  2506  	v_0 := v.Args[0]
  2507  	b := v.Block
  2508  	// match: (Lsh8x64 <t> x y)
  2509  	// cond: !shiftIsBounded(v)
  2510  	// result: (AND (SLL <t> x y) (Neg8 <t> (SLTIU <t> [64] y)))
  2511  	for {
  2512  		t := v.Type
  2513  		x := v_0
  2514  		y := v_1
  2515  		if !(!shiftIsBounded(v)) {
  2516  			break
  2517  		}
  2518  		v.reset(OpRISCV64AND)
  2519  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2520  		v0.AddArg2(x, y)
  2521  		v1 := b.NewValue0(v.Pos, OpNeg8, t)
  2522  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2523  		v2.AuxInt = int64ToAuxInt(64)
  2524  		v2.AddArg(y)
  2525  		v1.AddArg(v2)
  2526  		v.AddArg2(v0, v1)
  2527  		return true
  2528  	}
  2529  	// match: (Lsh8x64 x y)
  2530  	// cond: shiftIsBounded(v)
  2531  	// result: (SLL x y)
  2532  	for {
  2533  		x := v_0
  2534  		y := v_1
  2535  		if !(shiftIsBounded(v)) {
  2536  			break
  2537  		}
  2538  		v.reset(OpRISCV64SLL)
  2539  		v.AddArg2(x, y)
  2540  		return true
  2541  	}
  2542  	return false
  2543  }
  2544  func rewriteValueRISCV64_OpLsh8x8(v *Value) bool {
  2545  	v_1 := v.Args[1]
  2546  	v_0 := v.Args[0]
  2547  	b := v.Block
  2548  	typ := &b.Func.Config.Types
  2549  	// match: (Lsh8x8 <t> x y)
  2550  	// cond: !shiftIsBounded(v)
  2551  	// result: (AND (SLL <t> x y) (Neg8 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  2552  	for {
  2553  		t := v.Type
  2554  		x := v_0
  2555  		y := v_1
  2556  		if !(!shiftIsBounded(v)) {
  2557  			break
  2558  		}
  2559  		v.reset(OpRISCV64AND)
  2560  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  2561  		v0.AddArg2(x, y)
  2562  		v1 := b.NewValue0(v.Pos, OpNeg8, t)
  2563  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  2564  		v2.AuxInt = int64ToAuxInt(64)
  2565  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  2566  		v3.AddArg(y)
  2567  		v2.AddArg(v3)
  2568  		v1.AddArg(v2)
  2569  		v.AddArg2(v0, v1)
  2570  		return true
  2571  	}
  2572  	// match: (Lsh8x8 x y)
  2573  	// cond: shiftIsBounded(v)
  2574  	// result: (SLL x y)
  2575  	for {
  2576  		x := v_0
  2577  		y := v_1
  2578  		if !(shiftIsBounded(v)) {
  2579  			break
  2580  		}
  2581  		v.reset(OpRISCV64SLL)
  2582  		v.AddArg2(x, y)
  2583  		return true
  2584  	}
  2585  	return false
  2586  }
  2587  func rewriteValueRISCV64_OpMax64(v *Value) bool {
  2588  	v_1 := v.Args[1]
  2589  	v_0 := v.Args[0]
  2590  	// match: (Max64 x y)
  2591  	// cond: buildcfg.GORISCV64 >= 22
  2592  	// result: (MAX x y)
  2593  	for {
  2594  		x := v_0
  2595  		y := v_1
  2596  		if !(buildcfg.GORISCV64 >= 22) {
  2597  			break
  2598  		}
  2599  		v.reset(OpRISCV64MAX)
  2600  		v.AddArg2(x, y)
  2601  		return true
  2602  	}
  2603  	return false
  2604  }
  2605  func rewriteValueRISCV64_OpMax64u(v *Value) bool {
  2606  	v_1 := v.Args[1]
  2607  	v_0 := v.Args[0]
  2608  	// match: (Max64u x y)
  2609  	// cond: buildcfg.GORISCV64 >= 22
  2610  	// result: (MAXU x y)
  2611  	for {
  2612  		x := v_0
  2613  		y := v_1
  2614  		if !(buildcfg.GORISCV64 >= 22) {
  2615  			break
  2616  		}
  2617  		v.reset(OpRISCV64MAXU)
  2618  		v.AddArg2(x, y)
  2619  		return true
  2620  	}
  2621  	return false
  2622  }
  2623  func rewriteValueRISCV64_OpMin64(v *Value) bool {
  2624  	v_1 := v.Args[1]
  2625  	v_0 := v.Args[0]
  2626  	// match: (Min64 x y)
  2627  	// cond: buildcfg.GORISCV64 >= 22
  2628  	// result: (MIN x y)
  2629  	for {
  2630  		x := v_0
  2631  		y := v_1
  2632  		if !(buildcfg.GORISCV64 >= 22) {
  2633  			break
  2634  		}
  2635  		v.reset(OpRISCV64MIN)
  2636  		v.AddArg2(x, y)
  2637  		return true
  2638  	}
  2639  	return false
  2640  }
  2641  func rewriteValueRISCV64_OpMin64u(v *Value) bool {
  2642  	v_1 := v.Args[1]
  2643  	v_0 := v.Args[0]
  2644  	// match: (Min64u x y)
  2645  	// cond: buildcfg.GORISCV64 >= 22
  2646  	// result: (MINU x y)
  2647  	for {
  2648  		x := v_0
  2649  		y := v_1
  2650  		if !(buildcfg.GORISCV64 >= 22) {
  2651  			break
  2652  		}
  2653  		v.reset(OpRISCV64MINU)
  2654  		v.AddArg2(x, y)
  2655  		return true
  2656  	}
  2657  	return false
  2658  }
  2659  func rewriteValueRISCV64_OpMod16(v *Value) bool {
  2660  	v_1 := v.Args[1]
  2661  	v_0 := v.Args[0]
  2662  	b := v.Block
  2663  	typ := &b.Func.Config.Types
  2664  	// match: (Mod16 x y [false])
  2665  	// result: (REMW (SignExt16to32 x) (SignExt16to32 y))
  2666  	for {
  2667  		if auxIntToBool(v.AuxInt) != false {
  2668  			break
  2669  		}
  2670  		x := v_0
  2671  		y := v_1
  2672  		v.reset(OpRISCV64REMW)
  2673  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
  2674  		v0.AddArg(x)
  2675  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
  2676  		v1.AddArg(y)
  2677  		v.AddArg2(v0, v1)
  2678  		return true
  2679  	}
  2680  	return false
  2681  }
  2682  func rewriteValueRISCV64_OpMod16u(v *Value) bool {
  2683  	v_1 := v.Args[1]
  2684  	v_0 := v.Args[0]
  2685  	b := v.Block
  2686  	typ := &b.Func.Config.Types
  2687  	// match: (Mod16u x y)
  2688  	// result: (REMUW (ZeroExt16to32 x) (ZeroExt16to32 y))
  2689  	for {
  2690  		x := v_0
  2691  		y := v_1
  2692  		v.reset(OpRISCV64REMUW)
  2693  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
  2694  		v0.AddArg(x)
  2695  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
  2696  		v1.AddArg(y)
  2697  		v.AddArg2(v0, v1)
  2698  		return true
  2699  	}
  2700  }
  2701  func rewriteValueRISCV64_OpMod32(v *Value) bool {
  2702  	v_1 := v.Args[1]
  2703  	v_0 := v.Args[0]
  2704  	// match: (Mod32 x y [false])
  2705  	// result: (REMW x y)
  2706  	for {
  2707  		if auxIntToBool(v.AuxInt) != false {
  2708  			break
  2709  		}
  2710  		x := v_0
  2711  		y := v_1
  2712  		v.reset(OpRISCV64REMW)
  2713  		v.AddArg2(x, y)
  2714  		return true
  2715  	}
  2716  	return false
  2717  }
  2718  func rewriteValueRISCV64_OpMod64(v *Value) bool {
  2719  	v_1 := v.Args[1]
  2720  	v_0 := v.Args[0]
  2721  	// match: (Mod64 x y [false])
  2722  	// result: (REM x y)
  2723  	for {
  2724  		if auxIntToBool(v.AuxInt) != false {
  2725  			break
  2726  		}
  2727  		x := v_0
  2728  		y := v_1
  2729  		v.reset(OpRISCV64REM)
  2730  		v.AddArg2(x, y)
  2731  		return true
  2732  	}
  2733  	return false
  2734  }
  2735  func rewriteValueRISCV64_OpMod8(v *Value) bool {
  2736  	v_1 := v.Args[1]
  2737  	v_0 := v.Args[0]
  2738  	b := v.Block
  2739  	typ := &b.Func.Config.Types
  2740  	// match: (Mod8 x y)
  2741  	// result: (REMW (SignExt8to32 x) (SignExt8to32 y))
  2742  	for {
  2743  		x := v_0
  2744  		y := v_1
  2745  		v.reset(OpRISCV64REMW)
  2746  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
  2747  		v0.AddArg(x)
  2748  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
  2749  		v1.AddArg(y)
  2750  		v.AddArg2(v0, v1)
  2751  		return true
  2752  	}
  2753  }
  2754  func rewriteValueRISCV64_OpMod8u(v *Value) bool {
  2755  	v_1 := v.Args[1]
  2756  	v_0 := v.Args[0]
  2757  	b := v.Block
  2758  	typ := &b.Func.Config.Types
  2759  	// match: (Mod8u x y)
  2760  	// result: (REMUW (ZeroExt8to32 x) (ZeroExt8to32 y))
  2761  	for {
  2762  		x := v_0
  2763  		y := v_1
  2764  		v.reset(OpRISCV64REMUW)
  2765  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
  2766  		v0.AddArg(x)
  2767  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
  2768  		v1.AddArg(y)
  2769  		v.AddArg2(v0, v1)
  2770  		return true
  2771  	}
  2772  }
  2773  func rewriteValueRISCV64_OpMove(v *Value) bool {
  2774  	v_2 := v.Args[2]
  2775  	v_1 := v.Args[1]
  2776  	v_0 := v.Args[0]
  2777  	b := v.Block
  2778  	config := b.Func.Config
  2779  	typ := &b.Func.Config.Types
  2780  	// match: (Move [0] _ _ mem)
  2781  	// result: mem
  2782  	for {
  2783  		if auxIntToInt64(v.AuxInt) != 0 {
  2784  			break
  2785  		}
  2786  		mem := v_2
  2787  		v.copyOf(mem)
  2788  		return true
  2789  	}
  2790  	// match: (Move [1] dst src mem)
  2791  	// result: (MOVBstore dst (MOVBload src mem) mem)
  2792  	for {
  2793  		if auxIntToInt64(v.AuxInt) != 1 {
  2794  			break
  2795  		}
  2796  		dst := v_0
  2797  		src := v_1
  2798  		mem := v_2
  2799  		v.reset(OpRISCV64MOVBstore)
  2800  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2801  		v0.AddArg2(src, mem)
  2802  		v.AddArg3(dst, v0, mem)
  2803  		return true
  2804  	}
  2805  	// match: (Move [2] {t} dst src mem)
  2806  	// cond: t.Alignment()%2 == 0
  2807  	// result: (MOVHstore dst (MOVHload src mem) mem)
  2808  	for {
  2809  		if auxIntToInt64(v.AuxInt) != 2 {
  2810  			break
  2811  		}
  2812  		t := auxToType(v.Aux)
  2813  		dst := v_0
  2814  		src := v_1
  2815  		mem := v_2
  2816  		if !(t.Alignment()%2 == 0) {
  2817  			break
  2818  		}
  2819  		v.reset(OpRISCV64MOVHstore)
  2820  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2821  		v0.AddArg2(src, mem)
  2822  		v.AddArg3(dst, v0, mem)
  2823  		return true
  2824  	}
  2825  	// match: (Move [2] dst src mem)
  2826  	// result: (MOVBstore [1] dst (MOVBload [1] src mem) (MOVBstore dst (MOVBload src mem) mem))
  2827  	for {
  2828  		if auxIntToInt64(v.AuxInt) != 2 {
  2829  			break
  2830  		}
  2831  		dst := v_0
  2832  		src := v_1
  2833  		mem := v_2
  2834  		v.reset(OpRISCV64MOVBstore)
  2835  		v.AuxInt = int32ToAuxInt(1)
  2836  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2837  		v0.AuxInt = int32ToAuxInt(1)
  2838  		v0.AddArg2(src, mem)
  2839  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  2840  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2841  		v2.AddArg2(src, mem)
  2842  		v1.AddArg3(dst, v2, mem)
  2843  		v.AddArg3(dst, v0, v1)
  2844  		return true
  2845  	}
  2846  	// match: (Move [4] {t} dst src mem)
  2847  	// cond: t.Alignment()%4 == 0
  2848  	// result: (MOVWstore dst (MOVWload src mem) mem)
  2849  	for {
  2850  		if auxIntToInt64(v.AuxInt) != 4 {
  2851  			break
  2852  		}
  2853  		t := auxToType(v.Aux)
  2854  		dst := v_0
  2855  		src := v_1
  2856  		mem := v_2
  2857  		if !(t.Alignment()%4 == 0) {
  2858  			break
  2859  		}
  2860  		v.reset(OpRISCV64MOVWstore)
  2861  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVWload, typ.Int32)
  2862  		v0.AddArg2(src, mem)
  2863  		v.AddArg3(dst, v0, mem)
  2864  		return true
  2865  	}
  2866  	// match: (Move [4] {t} dst src mem)
  2867  	// cond: t.Alignment()%2 == 0
  2868  	// result: (MOVHstore [2] dst (MOVHload [2] src mem) (MOVHstore dst (MOVHload src mem) mem))
  2869  	for {
  2870  		if auxIntToInt64(v.AuxInt) != 4 {
  2871  			break
  2872  		}
  2873  		t := auxToType(v.Aux)
  2874  		dst := v_0
  2875  		src := v_1
  2876  		mem := v_2
  2877  		if !(t.Alignment()%2 == 0) {
  2878  			break
  2879  		}
  2880  		v.reset(OpRISCV64MOVHstore)
  2881  		v.AuxInt = int32ToAuxInt(2)
  2882  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2883  		v0.AuxInt = int32ToAuxInt(2)
  2884  		v0.AddArg2(src, mem)
  2885  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  2886  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2887  		v2.AddArg2(src, mem)
  2888  		v1.AddArg3(dst, v2, mem)
  2889  		v.AddArg3(dst, v0, v1)
  2890  		return true
  2891  	}
  2892  	// match: (Move [4] dst src mem)
  2893  	// 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))))
  2894  	for {
  2895  		if auxIntToInt64(v.AuxInt) != 4 {
  2896  			break
  2897  		}
  2898  		dst := v_0
  2899  		src := v_1
  2900  		mem := v_2
  2901  		v.reset(OpRISCV64MOVBstore)
  2902  		v.AuxInt = int32ToAuxInt(3)
  2903  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2904  		v0.AuxInt = int32ToAuxInt(3)
  2905  		v0.AddArg2(src, mem)
  2906  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  2907  		v1.AuxInt = int32ToAuxInt(2)
  2908  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2909  		v2.AuxInt = int32ToAuxInt(2)
  2910  		v2.AddArg2(src, mem)
  2911  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  2912  		v3.AuxInt = int32ToAuxInt(1)
  2913  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2914  		v4.AuxInt = int32ToAuxInt(1)
  2915  		v4.AddArg2(src, mem)
  2916  		v5 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  2917  		v6 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  2918  		v6.AddArg2(src, mem)
  2919  		v5.AddArg3(dst, v6, mem)
  2920  		v3.AddArg3(dst, v4, v5)
  2921  		v1.AddArg3(dst, v2, v3)
  2922  		v.AddArg3(dst, v0, v1)
  2923  		return true
  2924  	}
  2925  	// match: (Move [8] {t} dst src mem)
  2926  	// cond: t.Alignment()%8 == 0
  2927  	// result: (MOVDstore dst (MOVDload src mem) mem)
  2928  	for {
  2929  		if auxIntToInt64(v.AuxInt) != 8 {
  2930  			break
  2931  		}
  2932  		t := auxToType(v.Aux)
  2933  		dst := v_0
  2934  		src := v_1
  2935  		mem := v_2
  2936  		if !(t.Alignment()%8 == 0) {
  2937  			break
  2938  		}
  2939  		v.reset(OpRISCV64MOVDstore)
  2940  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  2941  		v0.AddArg2(src, mem)
  2942  		v.AddArg3(dst, v0, mem)
  2943  		return true
  2944  	}
  2945  	// match: (Move [8] {t} dst src mem)
  2946  	// cond: t.Alignment()%4 == 0
  2947  	// result: (MOVWstore [4] dst (MOVWload [4] src mem) (MOVWstore dst (MOVWload src mem) mem))
  2948  	for {
  2949  		if auxIntToInt64(v.AuxInt) != 8 {
  2950  			break
  2951  		}
  2952  		t := auxToType(v.Aux)
  2953  		dst := v_0
  2954  		src := v_1
  2955  		mem := v_2
  2956  		if !(t.Alignment()%4 == 0) {
  2957  			break
  2958  		}
  2959  		v.reset(OpRISCV64MOVWstore)
  2960  		v.AuxInt = int32ToAuxInt(4)
  2961  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVWload, typ.Int32)
  2962  		v0.AuxInt = int32ToAuxInt(4)
  2963  		v0.AddArg2(src, mem)
  2964  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVWstore, types.TypeMem)
  2965  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVWload, typ.Int32)
  2966  		v2.AddArg2(src, mem)
  2967  		v1.AddArg3(dst, v2, mem)
  2968  		v.AddArg3(dst, v0, v1)
  2969  		return true
  2970  	}
  2971  	// match: (Move [8] {t} dst src mem)
  2972  	// cond: t.Alignment()%2 == 0
  2973  	// 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))))
  2974  	for {
  2975  		if auxIntToInt64(v.AuxInt) != 8 {
  2976  			break
  2977  		}
  2978  		t := auxToType(v.Aux)
  2979  		dst := v_0
  2980  		src := v_1
  2981  		mem := v_2
  2982  		if !(t.Alignment()%2 == 0) {
  2983  			break
  2984  		}
  2985  		v.reset(OpRISCV64MOVHstore)
  2986  		v.AuxInt = int32ToAuxInt(6)
  2987  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2988  		v0.AuxInt = int32ToAuxInt(6)
  2989  		v0.AddArg2(src, mem)
  2990  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  2991  		v1.AuxInt = int32ToAuxInt(4)
  2992  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2993  		v2.AuxInt = int32ToAuxInt(4)
  2994  		v2.AddArg2(src, mem)
  2995  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  2996  		v3.AuxInt = int32ToAuxInt(2)
  2997  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  2998  		v4.AuxInt = int32ToAuxInt(2)
  2999  		v4.AddArg2(src, mem)
  3000  		v5 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  3001  		v6 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  3002  		v6.AddArg2(src, mem)
  3003  		v5.AddArg3(dst, v6, mem)
  3004  		v3.AddArg3(dst, v4, v5)
  3005  		v1.AddArg3(dst, v2, v3)
  3006  		v.AddArg3(dst, v0, v1)
  3007  		return true
  3008  	}
  3009  	// match: (Move [3] dst src mem)
  3010  	// result: (MOVBstore [2] dst (MOVBload [2] src mem) (MOVBstore [1] dst (MOVBload [1] src mem) (MOVBstore dst (MOVBload src mem) mem)))
  3011  	for {
  3012  		if auxIntToInt64(v.AuxInt) != 3 {
  3013  			break
  3014  		}
  3015  		dst := v_0
  3016  		src := v_1
  3017  		mem := v_2
  3018  		v.reset(OpRISCV64MOVBstore)
  3019  		v.AuxInt = int32ToAuxInt(2)
  3020  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  3021  		v0.AuxInt = int32ToAuxInt(2)
  3022  		v0.AddArg2(src, mem)
  3023  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  3024  		v1.AuxInt = int32ToAuxInt(1)
  3025  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  3026  		v2.AuxInt = int32ToAuxInt(1)
  3027  		v2.AddArg2(src, mem)
  3028  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  3029  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVBload, typ.Int8)
  3030  		v4.AddArg2(src, mem)
  3031  		v3.AddArg3(dst, v4, mem)
  3032  		v1.AddArg3(dst, v2, v3)
  3033  		v.AddArg3(dst, v0, v1)
  3034  		return true
  3035  	}
  3036  	// match: (Move [6] {t} dst src mem)
  3037  	// cond: t.Alignment()%2 == 0
  3038  	// result: (MOVHstore [4] dst (MOVHload [4] src mem) (MOVHstore [2] dst (MOVHload [2] src mem) (MOVHstore dst (MOVHload src mem) mem)))
  3039  	for {
  3040  		if auxIntToInt64(v.AuxInt) != 6 {
  3041  			break
  3042  		}
  3043  		t := auxToType(v.Aux)
  3044  		dst := v_0
  3045  		src := v_1
  3046  		mem := v_2
  3047  		if !(t.Alignment()%2 == 0) {
  3048  			break
  3049  		}
  3050  		v.reset(OpRISCV64MOVHstore)
  3051  		v.AuxInt = int32ToAuxInt(4)
  3052  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  3053  		v0.AuxInt = int32ToAuxInt(4)
  3054  		v0.AddArg2(src, mem)
  3055  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  3056  		v1.AuxInt = int32ToAuxInt(2)
  3057  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  3058  		v2.AuxInt = int32ToAuxInt(2)
  3059  		v2.AddArg2(src, mem)
  3060  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  3061  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVHload, typ.Int16)
  3062  		v4.AddArg2(src, mem)
  3063  		v3.AddArg3(dst, v4, mem)
  3064  		v1.AddArg3(dst, v2, v3)
  3065  		v.AddArg3(dst, v0, v1)
  3066  		return true
  3067  	}
  3068  	// match: (Move [12] {t} dst src mem)
  3069  	// cond: t.Alignment()%4 == 0
  3070  	// result: (MOVWstore [8] dst (MOVWload [8] src mem) (MOVWstore [4] dst (MOVWload [4] src mem) (MOVWstore dst (MOVWload src mem) mem)))
  3071  	for {
  3072  		if auxIntToInt64(v.AuxInt) != 12 {
  3073  			break
  3074  		}
  3075  		t := auxToType(v.Aux)
  3076  		dst := v_0
  3077  		src := v_1
  3078  		mem := v_2
  3079  		if !(t.Alignment()%4 == 0) {
  3080  			break
  3081  		}
  3082  		v.reset(OpRISCV64MOVWstore)
  3083  		v.AuxInt = int32ToAuxInt(8)
  3084  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVWload, typ.Int32)
  3085  		v0.AuxInt = int32ToAuxInt(8)
  3086  		v0.AddArg2(src, mem)
  3087  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVWstore, types.TypeMem)
  3088  		v1.AuxInt = int32ToAuxInt(4)
  3089  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVWload, typ.Int32)
  3090  		v2.AuxInt = int32ToAuxInt(4)
  3091  		v2.AddArg2(src, mem)
  3092  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVWstore, types.TypeMem)
  3093  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVWload, typ.Int32)
  3094  		v4.AddArg2(src, mem)
  3095  		v3.AddArg3(dst, v4, mem)
  3096  		v1.AddArg3(dst, v2, v3)
  3097  		v.AddArg3(dst, v0, v1)
  3098  		return true
  3099  	}
  3100  	// match: (Move [16] {t} dst src mem)
  3101  	// cond: t.Alignment()%8 == 0
  3102  	// result: (MOVDstore [8] dst (MOVDload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
  3103  	for {
  3104  		if auxIntToInt64(v.AuxInt) != 16 {
  3105  			break
  3106  		}
  3107  		t := auxToType(v.Aux)
  3108  		dst := v_0
  3109  		src := v_1
  3110  		mem := v_2
  3111  		if !(t.Alignment()%8 == 0) {
  3112  			break
  3113  		}
  3114  		v.reset(OpRISCV64MOVDstore)
  3115  		v.AuxInt = int32ToAuxInt(8)
  3116  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  3117  		v0.AuxInt = int32ToAuxInt(8)
  3118  		v0.AddArg2(src, mem)
  3119  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  3120  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  3121  		v2.AddArg2(src, mem)
  3122  		v1.AddArg3(dst, v2, mem)
  3123  		v.AddArg3(dst, v0, v1)
  3124  		return true
  3125  	}
  3126  	// match: (Move [24] {t} dst src mem)
  3127  	// cond: t.Alignment()%8 == 0
  3128  	// result: (MOVDstore [16] dst (MOVDload [16] src mem) (MOVDstore [8] dst (MOVDload [8] src mem) (MOVDstore dst (MOVDload src mem) mem)))
  3129  	for {
  3130  		if auxIntToInt64(v.AuxInt) != 24 {
  3131  			break
  3132  		}
  3133  		t := auxToType(v.Aux)
  3134  		dst := v_0
  3135  		src := v_1
  3136  		mem := v_2
  3137  		if !(t.Alignment()%8 == 0) {
  3138  			break
  3139  		}
  3140  		v.reset(OpRISCV64MOVDstore)
  3141  		v.AuxInt = int32ToAuxInt(16)
  3142  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  3143  		v0.AuxInt = int32ToAuxInt(16)
  3144  		v0.AddArg2(src, mem)
  3145  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  3146  		v1.AuxInt = int32ToAuxInt(8)
  3147  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  3148  		v2.AuxInt = int32ToAuxInt(8)
  3149  		v2.AddArg2(src, mem)
  3150  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  3151  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  3152  		v4.AddArg2(src, mem)
  3153  		v3.AddArg3(dst, v4, mem)
  3154  		v1.AddArg3(dst, v2, v3)
  3155  		v.AddArg3(dst, v0, v1)
  3156  		return true
  3157  	}
  3158  	// match: (Move [32] {t} dst src mem)
  3159  	// cond: t.Alignment()%8 == 0
  3160  	// 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))))
  3161  	for {
  3162  		if auxIntToInt64(v.AuxInt) != 32 {
  3163  			break
  3164  		}
  3165  		t := auxToType(v.Aux)
  3166  		dst := v_0
  3167  		src := v_1
  3168  		mem := v_2
  3169  		if !(t.Alignment()%8 == 0) {
  3170  			break
  3171  		}
  3172  		v.reset(OpRISCV64MOVDstore)
  3173  		v.AuxInt = int32ToAuxInt(24)
  3174  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  3175  		v0.AuxInt = int32ToAuxInt(24)
  3176  		v0.AddArg2(src, mem)
  3177  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  3178  		v1.AuxInt = int32ToAuxInt(16)
  3179  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  3180  		v2.AuxInt = int32ToAuxInt(16)
  3181  		v2.AddArg2(src, mem)
  3182  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  3183  		v3.AuxInt = int32ToAuxInt(8)
  3184  		v4 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  3185  		v4.AuxInt = int32ToAuxInt(8)
  3186  		v4.AddArg2(src, mem)
  3187  		v5 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  3188  		v6 := b.NewValue0(v.Pos, OpRISCV64MOVDload, typ.Int64)
  3189  		v6.AddArg2(src, mem)
  3190  		v5.AddArg3(dst, v6, mem)
  3191  		v3.AddArg3(dst, v4, v5)
  3192  		v1.AddArg3(dst, v2, v3)
  3193  		v.AddArg3(dst, v0, v1)
  3194  		return true
  3195  	}
  3196  	// match: (Move [s] {t} dst src mem)
  3197  	// cond: s%8 == 0 && s <= 8*128 && t.Alignment()%8 == 0 && logLargeCopy(v, s)
  3198  	// result: (DUFFCOPY [16 * (128 - s/8)] dst src mem)
  3199  	for {
  3200  		s := auxIntToInt64(v.AuxInt)
  3201  		t := auxToType(v.Aux)
  3202  		dst := v_0
  3203  		src := v_1
  3204  		mem := v_2
  3205  		if !(s%8 == 0 && s <= 8*128 && t.Alignment()%8 == 0 && logLargeCopy(v, s)) {
  3206  			break
  3207  		}
  3208  		v.reset(OpRISCV64DUFFCOPY)
  3209  		v.AuxInt = int64ToAuxInt(16 * (128 - s/8))
  3210  		v.AddArg3(dst, src, mem)
  3211  		return true
  3212  	}
  3213  	// match: (Move [s] {t} dst src mem)
  3214  	// cond: (s <= 16 || logLargeCopy(v, s))
  3215  	// result: (LoweredMove [t.Alignment()] dst src (ADDI <src.Type> [s-moveSize(t.Alignment(), config)] src) mem)
  3216  	for {
  3217  		s := auxIntToInt64(v.AuxInt)
  3218  		t := auxToType(v.Aux)
  3219  		dst := v_0
  3220  		src := v_1
  3221  		mem := v_2
  3222  		if !(s <= 16 || logLargeCopy(v, s)) {
  3223  			break
  3224  		}
  3225  		v.reset(OpRISCV64LoweredMove)
  3226  		v.AuxInt = int64ToAuxInt(t.Alignment())
  3227  		v0 := b.NewValue0(v.Pos, OpRISCV64ADDI, src.Type)
  3228  		v0.AuxInt = int64ToAuxInt(s - moveSize(t.Alignment(), config))
  3229  		v0.AddArg(src)
  3230  		v.AddArg4(dst, src, v0, mem)
  3231  		return true
  3232  	}
  3233  	return false
  3234  }
  3235  func rewriteValueRISCV64_OpMul16(v *Value) bool {
  3236  	v_1 := v.Args[1]
  3237  	v_0 := v.Args[0]
  3238  	b := v.Block
  3239  	typ := &b.Func.Config.Types
  3240  	// match: (Mul16 x y)
  3241  	// result: (MULW (SignExt16to32 x) (SignExt16to32 y))
  3242  	for {
  3243  		x := v_0
  3244  		y := v_1
  3245  		v.reset(OpRISCV64MULW)
  3246  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
  3247  		v0.AddArg(x)
  3248  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
  3249  		v1.AddArg(y)
  3250  		v.AddArg2(v0, v1)
  3251  		return true
  3252  	}
  3253  }
  3254  func rewriteValueRISCV64_OpMul8(v *Value) bool {
  3255  	v_1 := v.Args[1]
  3256  	v_0 := v.Args[0]
  3257  	b := v.Block
  3258  	typ := &b.Func.Config.Types
  3259  	// match: (Mul8 x y)
  3260  	// result: (MULW (SignExt8to32 x) (SignExt8to32 y))
  3261  	for {
  3262  		x := v_0
  3263  		y := v_1
  3264  		v.reset(OpRISCV64MULW)
  3265  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
  3266  		v0.AddArg(x)
  3267  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
  3268  		v1.AddArg(y)
  3269  		v.AddArg2(v0, v1)
  3270  		return true
  3271  	}
  3272  }
  3273  func rewriteValueRISCV64_OpNeq16(v *Value) bool {
  3274  	v_1 := v.Args[1]
  3275  	v_0 := v.Args[0]
  3276  	b := v.Block
  3277  	typ := &b.Func.Config.Types
  3278  	// match: (Neq16 x y)
  3279  	// result: (Not (Eq16 x y))
  3280  	for {
  3281  		x := v_0
  3282  		y := v_1
  3283  		v.reset(OpNot)
  3284  		v0 := b.NewValue0(v.Pos, OpEq16, typ.Bool)
  3285  		v0.AddArg2(x, y)
  3286  		v.AddArg(v0)
  3287  		return true
  3288  	}
  3289  }
  3290  func rewriteValueRISCV64_OpNeq32(v *Value) bool {
  3291  	v_1 := v.Args[1]
  3292  	v_0 := v.Args[0]
  3293  	b := v.Block
  3294  	typ := &b.Func.Config.Types
  3295  	// match: (Neq32 x y)
  3296  	// result: (Not (Eq32 x y))
  3297  	for {
  3298  		x := v_0
  3299  		y := v_1
  3300  		v.reset(OpNot)
  3301  		v0 := b.NewValue0(v.Pos, OpEq32, typ.Bool)
  3302  		v0.AddArg2(x, y)
  3303  		v.AddArg(v0)
  3304  		return true
  3305  	}
  3306  }
  3307  func rewriteValueRISCV64_OpNeq64(v *Value) bool {
  3308  	v_1 := v.Args[1]
  3309  	v_0 := v.Args[0]
  3310  	b := v.Block
  3311  	typ := &b.Func.Config.Types
  3312  	// match: (Neq64 x y)
  3313  	// result: (Not (Eq64 x y))
  3314  	for {
  3315  		x := v_0
  3316  		y := v_1
  3317  		v.reset(OpNot)
  3318  		v0 := b.NewValue0(v.Pos, OpEq64, typ.Bool)
  3319  		v0.AddArg2(x, y)
  3320  		v.AddArg(v0)
  3321  		return true
  3322  	}
  3323  }
  3324  func rewriteValueRISCV64_OpNeq8(v *Value) bool {
  3325  	v_1 := v.Args[1]
  3326  	v_0 := v.Args[0]
  3327  	b := v.Block
  3328  	typ := &b.Func.Config.Types
  3329  	// match: (Neq8 x y)
  3330  	// result: (Not (Eq8 x y))
  3331  	for {
  3332  		x := v_0
  3333  		y := v_1
  3334  		v.reset(OpNot)
  3335  		v0 := b.NewValue0(v.Pos, OpEq8, typ.Bool)
  3336  		v0.AddArg2(x, y)
  3337  		v.AddArg(v0)
  3338  		return true
  3339  	}
  3340  }
  3341  func rewriteValueRISCV64_OpNeqB(v *Value) bool {
  3342  	v_1 := v.Args[1]
  3343  	v_0 := v.Args[0]
  3344  	b := v.Block
  3345  	typ := &b.Func.Config.Types
  3346  	// match: (NeqB x y)
  3347  	// result: (SNEZ (SUB <typ.Bool> x y))
  3348  	for {
  3349  		x := v_0
  3350  		y := v_1
  3351  		v.reset(OpRISCV64SNEZ)
  3352  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, typ.Bool)
  3353  		v0.AddArg2(x, y)
  3354  		v.AddArg(v0)
  3355  		return true
  3356  	}
  3357  }
  3358  func rewriteValueRISCV64_OpNeqPtr(v *Value) bool {
  3359  	v_1 := v.Args[1]
  3360  	v_0 := v.Args[0]
  3361  	b := v.Block
  3362  	typ := &b.Func.Config.Types
  3363  	// match: (NeqPtr x y)
  3364  	// result: (Not (EqPtr x y))
  3365  	for {
  3366  		x := v_0
  3367  		y := v_1
  3368  		v.reset(OpNot)
  3369  		v0 := b.NewValue0(v.Pos, OpEqPtr, typ.Bool)
  3370  		v0.AddArg2(x, y)
  3371  		v.AddArg(v0)
  3372  		return true
  3373  	}
  3374  }
  3375  func rewriteValueRISCV64_OpOffPtr(v *Value) bool {
  3376  	v_0 := v.Args[0]
  3377  	b := v.Block
  3378  	typ := &b.Func.Config.Types
  3379  	// match: (OffPtr [off] ptr:(SP))
  3380  	// cond: is32Bit(off)
  3381  	// result: (MOVaddr [int32(off)] ptr)
  3382  	for {
  3383  		off := auxIntToInt64(v.AuxInt)
  3384  		ptr := v_0
  3385  		if ptr.Op != OpSP || !(is32Bit(off)) {
  3386  			break
  3387  		}
  3388  		v.reset(OpRISCV64MOVaddr)
  3389  		v.AuxInt = int32ToAuxInt(int32(off))
  3390  		v.AddArg(ptr)
  3391  		return true
  3392  	}
  3393  	// match: (OffPtr [off] ptr)
  3394  	// cond: is32Bit(off)
  3395  	// result: (ADDI [off] ptr)
  3396  	for {
  3397  		off := auxIntToInt64(v.AuxInt)
  3398  		ptr := v_0
  3399  		if !(is32Bit(off)) {
  3400  			break
  3401  		}
  3402  		v.reset(OpRISCV64ADDI)
  3403  		v.AuxInt = int64ToAuxInt(off)
  3404  		v.AddArg(ptr)
  3405  		return true
  3406  	}
  3407  	// match: (OffPtr [off] ptr)
  3408  	// result: (ADD (MOVDconst [off]) ptr)
  3409  	for {
  3410  		off := auxIntToInt64(v.AuxInt)
  3411  		ptr := v_0
  3412  		v.reset(OpRISCV64ADD)
  3413  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  3414  		v0.AuxInt = int64ToAuxInt(off)
  3415  		v.AddArg2(v0, ptr)
  3416  		return true
  3417  	}
  3418  }
  3419  func rewriteValueRISCV64_OpPanicBounds(v *Value) bool {
  3420  	v_2 := v.Args[2]
  3421  	v_1 := v.Args[1]
  3422  	v_0 := v.Args[0]
  3423  	// match: (PanicBounds [kind] x y mem)
  3424  	// cond: boundsABI(kind) == 0
  3425  	// result: (LoweredPanicBoundsA [kind] x y mem)
  3426  	for {
  3427  		kind := auxIntToInt64(v.AuxInt)
  3428  		x := v_0
  3429  		y := v_1
  3430  		mem := v_2
  3431  		if !(boundsABI(kind) == 0) {
  3432  			break
  3433  		}
  3434  		v.reset(OpRISCV64LoweredPanicBoundsA)
  3435  		v.AuxInt = int64ToAuxInt(kind)
  3436  		v.AddArg3(x, y, mem)
  3437  		return true
  3438  	}
  3439  	// match: (PanicBounds [kind] x y mem)
  3440  	// cond: boundsABI(kind) == 1
  3441  	// result: (LoweredPanicBoundsB [kind] x y mem)
  3442  	for {
  3443  		kind := auxIntToInt64(v.AuxInt)
  3444  		x := v_0
  3445  		y := v_1
  3446  		mem := v_2
  3447  		if !(boundsABI(kind) == 1) {
  3448  			break
  3449  		}
  3450  		v.reset(OpRISCV64LoweredPanicBoundsB)
  3451  		v.AuxInt = int64ToAuxInt(kind)
  3452  		v.AddArg3(x, y, mem)
  3453  		return true
  3454  	}
  3455  	// match: (PanicBounds [kind] x y mem)
  3456  	// cond: boundsABI(kind) == 2
  3457  	// result: (LoweredPanicBoundsC [kind] x y mem)
  3458  	for {
  3459  		kind := auxIntToInt64(v.AuxInt)
  3460  		x := v_0
  3461  		y := v_1
  3462  		mem := v_2
  3463  		if !(boundsABI(kind) == 2) {
  3464  			break
  3465  		}
  3466  		v.reset(OpRISCV64LoweredPanicBoundsC)
  3467  		v.AuxInt = int64ToAuxInt(kind)
  3468  		v.AddArg3(x, y, mem)
  3469  		return true
  3470  	}
  3471  	return false
  3472  }
  3473  func rewriteValueRISCV64_OpPopCount16(v *Value) bool {
  3474  	v_0 := v.Args[0]
  3475  	b := v.Block
  3476  	typ := &b.Func.Config.Types
  3477  	// match: (PopCount16 x)
  3478  	// result: (CPOP (ZeroExt16to64 x))
  3479  	for {
  3480  		x := v_0
  3481  		v.reset(OpRISCV64CPOP)
  3482  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  3483  		v0.AddArg(x)
  3484  		v.AddArg(v0)
  3485  		return true
  3486  	}
  3487  }
  3488  func rewriteValueRISCV64_OpPopCount8(v *Value) bool {
  3489  	v_0 := v.Args[0]
  3490  	b := v.Block
  3491  	typ := &b.Func.Config.Types
  3492  	// match: (PopCount8 x)
  3493  	// result: (CPOP (ZeroExt8to64 x))
  3494  	for {
  3495  		x := v_0
  3496  		v.reset(OpRISCV64CPOP)
  3497  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  3498  		v0.AddArg(x)
  3499  		v.AddArg(v0)
  3500  		return true
  3501  	}
  3502  }
  3503  func rewriteValueRISCV64_OpRISCV64ADD(v *Value) bool {
  3504  	v_1 := v.Args[1]
  3505  	v_0 := v.Args[0]
  3506  	// match: (ADD (MOVDconst <t> [val]) x)
  3507  	// cond: is32Bit(val) && !t.IsPtr()
  3508  	// result: (ADDI [val] x)
  3509  	for {
  3510  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3511  			if v_0.Op != OpRISCV64MOVDconst {
  3512  				continue
  3513  			}
  3514  			t := v_0.Type
  3515  			val := auxIntToInt64(v_0.AuxInt)
  3516  			x := v_1
  3517  			if !(is32Bit(val) && !t.IsPtr()) {
  3518  				continue
  3519  			}
  3520  			v.reset(OpRISCV64ADDI)
  3521  			v.AuxInt = int64ToAuxInt(val)
  3522  			v.AddArg(x)
  3523  			return true
  3524  		}
  3525  		break
  3526  	}
  3527  	// match: (ADD x (NEG y))
  3528  	// result: (SUB x y)
  3529  	for {
  3530  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3531  			x := v_0
  3532  			if v_1.Op != OpRISCV64NEG {
  3533  				continue
  3534  			}
  3535  			y := v_1.Args[0]
  3536  			v.reset(OpRISCV64SUB)
  3537  			v.AddArg2(x, y)
  3538  			return true
  3539  		}
  3540  		break
  3541  	}
  3542  	// match: (ADD (SLLI [1] x) y)
  3543  	// cond: buildcfg.GORISCV64 >= 22
  3544  	// result: (SH1ADD x y)
  3545  	for {
  3546  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3547  			if v_0.Op != OpRISCV64SLLI || auxIntToInt64(v_0.AuxInt) != 1 {
  3548  				continue
  3549  			}
  3550  			x := v_0.Args[0]
  3551  			y := v_1
  3552  			if !(buildcfg.GORISCV64 >= 22) {
  3553  				continue
  3554  			}
  3555  			v.reset(OpRISCV64SH1ADD)
  3556  			v.AddArg2(x, y)
  3557  			return true
  3558  		}
  3559  		break
  3560  	}
  3561  	// match: (ADD (SLLI [2] x) y)
  3562  	// cond: buildcfg.GORISCV64 >= 22
  3563  	// result: (SH2ADD x y)
  3564  	for {
  3565  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3566  			if v_0.Op != OpRISCV64SLLI || auxIntToInt64(v_0.AuxInt) != 2 {
  3567  				continue
  3568  			}
  3569  			x := v_0.Args[0]
  3570  			y := v_1
  3571  			if !(buildcfg.GORISCV64 >= 22) {
  3572  				continue
  3573  			}
  3574  			v.reset(OpRISCV64SH2ADD)
  3575  			v.AddArg2(x, y)
  3576  			return true
  3577  		}
  3578  		break
  3579  	}
  3580  	// match: (ADD (SLLI [3] x) y)
  3581  	// cond: buildcfg.GORISCV64 >= 22
  3582  	// result: (SH3ADD x y)
  3583  	for {
  3584  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3585  			if v_0.Op != OpRISCV64SLLI || auxIntToInt64(v_0.AuxInt) != 3 {
  3586  				continue
  3587  			}
  3588  			x := v_0.Args[0]
  3589  			y := v_1
  3590  			if !(buildcfg.GORISCV64 >= 22) {
  3591  				continue
  3592  			}
  3593  			v.reset(OpRISCV64SH3ADD)
  3594  			v.AddArg2(x, y)
  3595  			return true
  3596  		}
  3597  		break
  3598  	}
  3599  	return false
  3600  }
  3601  func rewriteValueRISCV64_OpRISCV64ADDI(v *Value) bool {
  3602  	v_0 := v.Args[0]
  3603  	// match: (ADDI [c] (MOVaddr [d] {s} x))
  3604  	// cond: is32Bit(c+int64(d))
  3605  	// result: (MOVaddr [int32(c)+d] {s} x)
  3606  	for {
  3607  		c := auxIntToInt64(v.AuxInt)
  3608  		if v_0.Op != OpRISCV64MOVaddr {
  3609  			break
  3610  		}
  3611  		d := auxIntToInt32(v_0.AuxInt)
  3612  		s := auxToSym(v_0.Aux)
  3613  		x := v_0.Args[0]
  3614  		if !(is32Bit(c + int64(d))) {
  3615  			break
  3616  		}
  3617  		v.reset(OpRISCV64MOVaddr)
  3618  		v.AuxInt = int32ToAuxInt(int32(c) + d)
  3619  		v.Aux = symToAux(s)
  3620  		v.AddArg(x)
  3621  		return true
  3622  	}
  3623  	// match: (ADDI [0] x)
  3624  	// result: x
  3625  	for {
  3626  		if auxIntToInt64(v.AuxInt) != 0 {
  3627  			break
  3628  		}
  3629  		x := v_0
  3630  		v.copyOf(x)
  3631  		return true
  3632  	}
  3633  	// match: (ADDI [x] (MOVDconst [y]))
  3634  	// cond: is32Bit(x + y)
  3635  	// result: (MOVDconst [x + y])
  3636  	for {
  3637  		x := auxIntToInt64(v.AuxInt)
  3638  		if v_0.Op != OpRISCV64MOVDconst {
  3639  			break
  3640  		}
  3641  		y := auxIntToInt64(v_0.AuxInt)
  3642  		if !(is32Bit(x + y)) {
  3643  			break
  3644  		}
  3645  		v.reset(OpRISCV64MOVDconst)
  3646  		v.AuxInt = int64ToAuxInt(x + y)
  3647  		return true
  3648  	}
  3649  	// match: (ADDI [x] (ADDI [y] z))
  3650  	// cond: is32Bit(x + y)
  3651  	// result: (ADDI [x + y] z)
  3652  	for {
  3653  		x := auxIntToInt64(v.AuxInt)
  3654  		if v_0.Op != OpRISCV64ADDI {
  3655  			break
  3656  		}
  3657  		y := auxIntToInt64(v_0.AuxInt)
  3658  		z := v_0.Args[0]
  3659  		if !(is32Bit(x + y)) {
  3660  			break
  3661  		}
  3662  		v.reset(OpRISCV64ADDI)
  3663  		v.AuxInt = int64ToAuxInt(x + y)
  3664  		v.AddArg(z)
  3665  		return true
  3666  	}
  3667  	return false
  3668  }
  3669  func rewriteValueRISCV64_OpRISCV64AND(v *Value) bool {
  3670  	v_1 := v.Args[1]
  3671  	v_0 := v.Args[0]
  3672  	// match: (AND (MOVDconst [val]) x)
  3673  	// cond: is32Bit(val)
  3674  	// result: (ANDI [val] x)
  3675  	for {
  3676  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3677  			if v_0.Op != OpRISCV64MOVDconst {
  3678  				continue
  3679  			}
  3680  			val := auxIntToInt64(v_0.AuxInt)
  3681  			x := v_1
  3682  			if !(is32Bit(val)) {
  3683  				continue
  3684  			}
  3685  			v.reset(OpRISCV64ANDI)
  3686  			v.AuxInt = int64ToAuxInt(val)
  3687  			v.AddArg(x)
  3688  			return true
  3689  		}
  3690  		break
  3691  	}
  3692  	// match: (AND x x)
  3693  	// result: x
  3694  	for {
  3695  		x := v_0
  3696  		if x != v_1 {
  3697  			break
  3698  		}
  3699  		v.copyOf(x)
  3700  		return true
  3701  	}
  3702  	return false
  3703  }
  3704  func rewriteValueRISCV64_OpRISCV64ANDI(v *Value) bool {
  3705  	v_0 := v.Args[0]
  3706  	// match: (ANDI [0] x)
  3707  	// result: (MOVDconst [0])
  3708  	for {
  3709  		if auxIntToInt64(v.AuxInt) != 0 {
  3710  			break
  3711  		}
  3712  		v.reset(OpRISCV64MOVDconst)
  3713  		v.AuxInt = int64ToAuxInt(0)
  3714  		return true
  3715  	}
  3716  	// match: (ANDI [-1] x)
  3717  	// result: x
  3718  	for {
  3719  		if auxIntToInt64(v.AuxInt) != -1 {
  3720  			break
  3721  		}
  3722  		x := v_0
  3723  		v.copyOf(x)
  3724  		return true
  3725  	}
  3726  	// match: (ANDI [x] (MOVDconst [y]))
  3727  	// result: (MOVDconst [x & y])
  3728  	for {
  3729  		x := auxIntToInt64(v.AuxInt)
  3730  		if v_0.Op != OpRISCV64MOVDconst {
  3731  			break
  3732  		}
  3733  		y := auxIntToInt64(v_0.AuxInt)
  3734  		v.reset(OpRISCV64MOVDconst)
  3735  		v.AuxInt = int64ToAuxInt(x & y)
  3736  		return true
  3737  	}
  3738  	// match: (ANDI [x] (ANDI [y] z))
  3739  	// result: (ANDI [x & y] z)
  3740  	for {
  3741  		x := auxIntToInt64(v.AuxInt)
  3742  		if v_0.Op != OpRISCV64ANDI {
  3743  			break
  3744  		}
  3745  		y := auxIntToInt64(v_0.AuxInt)
  3746  		z := v_0.Args[0]
  3747  		v.reset(OpRISCV64ANDI)
  3748  		v.AuxInt = int64ToAuxInt(x & y)
  3749  		v.AddArg(z)
  3750  		return true
  3751  	}
  3752  	return false
  3753  }
  3754  func rewriteValueRISCV64_OpRISCV64FADDD(v *Value) bool {
  3755  	v_1 := v.Args[1]
  3756  	v_0 := v.Args[0]
  3757  	// match: (FADDD a (FMULD x y))
  3758  	// cond: a.Block.Func.useFMA(v)
  3759  	// result: (FMADDD x y a)
  3760  	for {
  3761  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3762  			a := v_0
  3763  			if v_1.Op != OpRISCV64FMULD {
  3764  				continue
  3765  			}
  3766  			y := v_1.Args[1]
  3767  			x := v_1.Args[0]
  3768  			if !(a.Block.Func.useFMA(v)) {
  3769  				continue
  3770  			}
  3771  			v.reset(OpRISCV64FMADDD)
  3772  			v.AddArg3(x, y, a)
  3773  			return true
  3774  		}
  3775  		break
  3776  	}
  3777  	return false
  3778  }
  3779  func rewriteValueRISCV64_OpRISCV64FADDS(v *Value) bool {
  3780  	v_1 := v.Args[1]
  3781  	v_0 := v.Args[0]
  3782  	// match: (FADDS a (FMULS x y))
  3783  	// cond: a.Block.Func.useFMA(v)
  3784  	// result: (FMADDS x y a)
  3785  	for {
  3786  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3787  			a := v_0
  3788  			if v_1.Op != OpRISCV64FMULS {
  3789  				continue
  3790  			}
  3791  			y := v_1.Args[1]
  3792  			x := v_1.Args[0]
  3793  			if !(a.Block.Func.useFMA(v)) {
  3794  				continue
  3795  			}
  3796  			v.reset(OpRISCV64FMADDS)
  3797  			v.AddArg3(x, y, a)
  3798  			return true
  3799  		}
  3800  		break
  3801  	}
  3802  	return false
  3803  }
  3804  func rewriteValueRISCV64_OpRISCV64FMADDD(v *Value) bool {
  3805  	v_2 := v.Args[2]
  3806  	v_1 := v.Args[1]
  3807  	v_0 := v.Args[0]
  3808  	// match: (FMADDD neg:(FNEGD x) y z)
  3809  	// cond: neg.Uses == 1
  3810  	// result: (FNMSUBD x y z)
  3811  	for {
  3812  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3813  			neg := v_0
  3814  			if neg.Op != OpRISCV64FNEGD {
  3815  				continue
  3816  			}
  3817  			x := neg.Args[0]
  3818  			y := v_1
  3819  			z := v_2
  3820  			if !(neg.Uses == 1) {
  3821  				continue
  3822  			}
  3823  			v.reset(OpRISCV64FNMSUBD)
  3824  			v.AddArg3(x, y, z)
  3825  			return true
  3826  		}
  3827  		break
  3828  	}
  3829  	// match: (FMADDD x y neg:(FNEGD z))
  3830  	// cond: neg.Uses == 1
  3831  	// result: (FMSUBD x y z)
  3832  	for {
  3833  		x := v_0
  3834  		y := v_1
  3835  		neg := v_2
  3836  		if neg.Op != OpRISCV64FNEGD {
  3837  			break
  3838  		}
  3839  		z := neg.Args[0]
  3840  		if !(neg.Uses == 1) {
  3841  			break
  3842  		}
  3843  		v.reset(OpRISCV64FMSUBD)
  3844  		v.AddArg3(x, y, z)
  3845  		return true
  3846  	}
  3847  	return false
  3848  }
  3849  func rewriteValueRISCV64_OpRISCV64FMADDS(v *Value) bool {
  3850  	v_2 := v.Args[2]
  3851  	v_1 := v.Args[1]
  3852  	v_0 := v.Args[0]
  3853  	// match: (FMADDS neg:(FNEGS x) y z)
  3854  	// cond: neg.Uses == 1
  3855  	// result: (FNMSUBS x y z)
  3856  	for {
  3857  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3858  			neg := v_0
  3859  			if neg.Op != OpRISCV64FNEGS {
  3860  				continue
  3861  			}
  3862  			x := neg.Args[0]
  3863  			y := v_1
  3864  			z := v_2
  3865  			if !(neg.Uses == 1) {
  3866  				continue
  3867  			}
  3868  			v.reset(OpRISCV64FNMSUBS)
  3869  			v.AddArg3(x, y, z)
  3870  			return true
  3871  		}
  3872  		break
  3873  	}
  3874  	// match: (FMADDS x y neg:(FNEGS z))
  3875  	// cond: neg.Uses == 1
  3876  	// result: (FMSUBS x y z)
  3877  	for {
  3878  		x := v_0
  3879  		y := v_1
  3880  		neg := v_2
  3881  		if neg.Op != OpRISCV64FNEGS {
  3882  			break
  3883  		}
  3884  		z := neg.Args[0]
  3885  		if !(neg.Uses == 1) {
  3886  			break
  3887  		}
  3888  		v.reset(OpRISCV64FMSUBS)
  3889  		v.AddArg3(x, y, z)
  3890  		return true
  3891  	}
  3892  	return false
  3893  }
  3894  func rewriteValueRISCV64_OpRISCV64FMSUBD(v *Value) bool {
  3895  	v_2 := v.Args[2]
  3896  	v_1 := v.Args[1]
  3897  	v_0 := v.Args[0]
  3898  	// match: (FMSUBD neg:(FNEGD x) y z)
  3899  	// cond: neg.Uses == 1
  3900  	// result: (FNMADDD x y z)
  3901  	for {
  3902  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3903  			neg := v_0
  3904  			if neg.Op != OpRISCV64FNEGD {
  3905  				continue
  3906  			}
  3907  			x := neg.Args[0]
  3908  			y := v_1
  3909  			z := v_2
  3910  			if !(neg.Uses == 1) {
  3911  				continue
  3912  			}
  3913  			v.reset(OpRISCV64FNMADDD)
  3914  			v.AddArg3(x, y, z)
  3915  			return true
  3916  		}
  3917  		break
  3918  	}
  3919  	// match: (FMSUBD x y neg:(FNEGD z))
  3920  	// cond: neg.Uses == 1
  3921  	// result: (FMADDD x y z)
  3922  	for {
  3923  		x := v_0
  3924  		y := v_1
  3925  		neg := v_2
  3926  		if neg.Op != OpRISCV64FNEGD {
  3927  			break
  3928  		}
  3929  		z := neg.Args[0]
  3930  		if !(neg.Uses == 1) {
  3931  			break
  3932  		}
  3933  		v.reset(OpRISCV64FMADDD)
  3934  		v.AddArg3(x, y, z)
  3935  		return true
  3936  	}
  3937  	return false
  3938  }
  3939  func rewriteValueRISCV64_OpRISCV64FMSUBS(v *Value) bool {
  3940  	v_2 := v.Args[2]
  3941  	v_1 := v.Args[1]
  3942  	v_0 := v.Args[0]
  3943  	// match: (FMSUBS neg:(FNEGS x) y z)
  3944  	// cond: neg.Uses == 1
  3945  	// result: (FNMADDS x y z)
  3946  	for {
  3947  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3948  			neg := v_0
  3949  			if neg.Op != OpRISCV64FNEGS {
  3950  				continue
  3951  			}
  3952  			x := neg.Args[0]
  3953  			y := v_1
  3954  			z := v_2
  3955  			if !(neg.Uses == 1) {
  3956  				continue
  3957  			}
  3958  			v.reset(OpRISCV64FNMADDS)
  3959  			v.AddArg3(x, y, z)
  3960  			return true
  3961  		}
  3962  		break
  3963  	}
  3964  	// match: (FMSUBS x y neg:(FNEGS z))
  3965  	// cond: neg.Uses == 1
  3966  	// result: (FMADDS x y z)
  3967  	for {
  3968  		x := v_0
  3969  		y := v_1
  3970  		neg := v_2
  3971  		if neg.Op != OpRISCV64FNEGS {
  3972  			break
  3973  		}
  3974  		z := neg.Args[0]
  3975  		if !(neg.Uses == 1) {
  3976  			break
  3977  		}
  3978  		v.reset(OpRISCV64FMADDS)
  3979  		v.AddArg3(x, y, z)
  3980  		return true
  3981  	}
  3982  	return false
  3983  }
  3984  func rewriteValueRISCV64_OpRISCV64FNMADDD(v *Value) bool {
  3985  	v_2 := v.Args[2]
  3986  	v_1 := v.Args[1]
  3987  	v_0 := v.Args[0]
  3988  	// match: (FNMADDD neg:(FNEGD x) y z)
  3989  	// cond: neg.Uses == 1
  3990  	// result: (FMSUBD x y z)
  3991  	for {
  3992  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3993  			neg := v_0
  3994  			if neg.Op != OpRISCV64FNEGD {
  3995  				continue
  3996  			}
  3997  			x := neg.Args[0]
  3998  			y := v_1
  3999  			z := v_2
  4000  			if !(neg.Uses == 1) {
  4001  				continue
  4002  			}
  4003  			v.reset(OpRISCV64FMSUBD)
  4004  			v.AddArg3(x, y, z)
  4005  			return true
  4006  		}
  4007  		break
  4008  	}
  4009  	// match: (FNMADDD x y neg:(FNEGD z))
  4010  	// cond: neg.Uses == 1
  4011  	// result: (FNMSUBD x y z)
  4012  	for {
  4013  		x := v_0
  4014  		y := v_1
  4015  		neg := v_2
  4016  		if neg.Op != OpRISCV64FNEGD {
  4017  			break
  4018  		}
  4019  		z := neg.Args[0]
  4020  		if !(neg.Uses == 1) {
  4021  			break
  4022  		}
  4023  		v.reset(OpRISCV64FNMSUBD)
  4024  		v.AddArg3(x, y, z)
  4025  		return true
  4026  	}
  4027  	return false
  4028  }
  4029  func rewriteValueRISCV64_OpRISCV64FNMADDS(v *Value) bool {
  4030  	v_2 := v.Args[2]
  4031  	v_1 := v.Args[1]
  4032  	v_0 := v.Args[0]
  4033  	// match: (FNMADDS neg:(FNEGS x) y z)
  4034  	// cond: neg.Uses == 1
  4035  	// result: (FMSUBS x y z)
  4036  	for {
  4037  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4038  			neg := v_0
  4039  			if neg.Op != OpRISCV64FNEGS {
  4040  				continue
  4041  			}
  4042  			x := neg.Args[0]
  4043  			y := v_1
  4044  			z := v_2
  4045  			if !(neg.Uses == 1) {
  4046  				continue
  4047  			}
  4048  			v.reset(OpRISCV64FMSUBS)
  4049  			v.AddArg3(x, y, z)
  4050  			return true
  4051  		}
  4052  		break
  4053  	}
  4054  	// match: (FNMADDS x y neg:(FNEGS z))
  4055  	// cond: neg.Uses == 1
  4056  	// result: (FNMSUBS x y z)
  4057  	for {
  4058  		x := v_0
  4059  		y := v_1
  4060  		neg := v_2
  4061  		if neg.Op != OpRISCV64FNEGS {
  4062  			break
  4063  		}
  4064  		z := neg.Args[0]
  4065  		if !(neg.Uses == 1) {
  4066  			break
  4067  		}
  4068  		v.reset(OpRISCV64FNMSUBS)
  4069  		v.AddArg3(x, y, z)
  4070  		return true
  4071  	}
  4072  	return false
  4073  }
  4074  func rewriteValueRISCV64_OpRISCV64FNMSUBD(v *Value) bool {
  4075  	v_2 := v.Args[2]
  4076  	v_1 := v.Args[1]
  4077  	v_0 := v.Args[0]
  4078  	// match: (FNMSUBD neg:(FNEGD x) y z)
  4079  	// cond: neg.Uses == 1
  4080  	// result: (FMADDD x y z)
  4081  	for {
  4082  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4083  			neg := v_0
  4084  			if neg.Op != OpRISCV64FNEGD {
  4085  				continue
  4086  			}
  4087  			x := neg.Args[0]
  4088  			y := v_1
  4089  			z := v_2
  4090  			if !(neg.Uses == 1) {
  4091  				continue
  4092  			}
  4093  			v.reset(OpRISCV64FMADDD)
  4094  			v.AddArg3(x, y, z)
  4095  			return true
  4096  		}
  4097  		break
  4098  	}
  4099  	// match: (FNMSUBD x y neg:(FNEGD z))
  4100  	// cond: neg.Uses == 1
  4101  	// result: (FNMADDD x y z)
  4102  	for {
  4103  		x := v_0
  4104  		y := v_1
  4105  		neg := v_2
  4106  		if neg.Op != OpRISCV64FNEGD {
  4107  			break
  4108  		}
  4109  		z := neg.Args[0]
  4110  		if !(neg.Uses == 1) {
  4111  			break
  4112  		}
  4113  		v.reset(OpRISCV64FNMADDD)
  4114  		v.AddArg3(x, y, z)
  4115  		return true
  4116  	}
  4117  	return false
  4118  }
  4119  func rewriteValueRISCV64_OpRISCV64FNMSUBS(v *Value) bool {
  4120  	v_2 := v.Args[2]
  4121  	v_1 := v.Args[1]
  4122  	v_0 := v.Args[0]
  4123  	// match: (FNMSUBS neg:(FNEGS x) y z)
  4124  	// cond: neg.Uses == 1
  4125  	// result: (FMADDS x y z)
  4126  	for {
  4127  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4128  			neg := v_0
  4129  			if neg.Op != OpRISCV64FNEGS {
  4130  				continue
  4131  			}
  4132  			x := neg.Args[0]
  4133  			y := v_1
  4134  			z := v_2
  4135  			if !(neg.Uses == 1) {
  4136  				continue
  4137  			}
  4138  			v.reset(OpRISCV64FMADDS)
  4139  			v.AddArg3(x, y, z)
  4140  			return true
  4141  		}
  4142  		break
  4143  	}
  4144  	// match: (FNMSUBS x y neg:(FNEGS z))
  4145  	// cond: neg.Uses == 1
  4146  	// result: (FNMADDS x y z)
  4147  	for {
  4148  		x := v_0
  4149  		y := v_1
  4150  		neg := v_2
  4151  		if neg.Op != OpRISCV64FNEGS {
  4152  			break
  4153  		}
  4154  		z := neg.Args[0]
  4155  		if !(neg.Uses == 1) {
  4156  			break
  4157  		}
  4158  		v.reset(OpRISCV64FNMADDS)
  4159  		v.AddArg3(x, y, z)
  4160  		return true
  4161  	}
  4162  	return false
  4163  }
  4164  func rewriteValueRISCV64_OpRISCV64FSUBD(v *Value) bool {
  4165  	v_1 := v.Args[1]
  4166  	v_0 := v.Args[0]
  4167  	// match: (FSUBD a (FMULD x y))
  4168  	// cond: a.Block.Func.useFMA(v)
  4169  	// result: (FNMSUBD x y a)
  4170  	for {
  4171  		a := v_0
  4172  		if v_1.Op != OpRISCV64FMULD {
  4173  			break
  4174  		}
  4175  		y := v_1.Args[1]
  4176  		x := v_1.Args[0]
  4177  		if !(a.Block.Func.useFMA(v)) {
  4178  			break
  4179  		}
  4180  		v.reset(OpRISCV64FNMSUBD)
  4181  		v.AddArg3(x, y, a)
  4182  		return true
  4183  	}
  4184  	// match: (FSUBD (FMULD x y) a)
  4185  	// cond: a.Block.Func.useFMA(v)
  4186  	// result: (FMSUBD x y a)
  4187  	for {
  4188  		if v_0.Op != OpRISCV64FMULD {
  4189  			break
  4190  		}
  4191  		y := v_0.Args[1]
  4192  		x := v_0.Args[0]
  4193  		a := v_1
  4194  		if !(a.Block.Func.useFMA(v)) {
  4195  			break
  4196  		}
  4197  		v.reset(OpRISCV64FMSUBD)
  4198  		v.AddArg3(x, y, a)
  4199  		return true
  4200  	}
  4201  	return false
  4202  }
  4203  func rewriteValueRISCV64_OpRISCV64FSUBS(v *Value) bool {
  4204  	v_1 := v.Args[1]
  4205  	v_0 := v.Args[0]
  4206  	// match: (FSUBS a (FMULS x y))
  4207  	// cond: a.Block.Func.useFMA(v)
  4208  	// result: (FNMSUBS x y a)
  4209  	for {
  4210  		a := v_0
  4211  		if v_1.Op != OpRISCV64FMULS {
  4212  			break
  4213  		}
  4214  		y := v_1.Args[1]
  4215  		x := v_1.Args[0]
  4216  		if !(a.Block.Func.useFMA(v)) {
  4217  			break
  4218  		}
  4219  		v.reset(OpRISCV64FNMSUBS)
  4220  		v.AddArg3(x, y, a)
  4221  		return true
  4222  	}
  4223  	// match: (FSUBS (FMULS x y) a)
  4224  	// cond: a.Block.Func.useFMA(v)
  4225  	// result: (FMSUBS x y a)
  4226  	for {
  4227  		if v_0.Op != OpRISCV64FMULS {
  4228  			break
  4229  		}
  4230  		y := v_0.Args[1]
  4231  		x := v_0.Args[0]
  4232  		a := v_1
  4233  		if !(a.Block.Func.useFMA(v)) {
  4234  			break
  4235  		}
  4236  		v.reset(OpRISCV64FMSUBS)
  4237  		v.AddArg3(x, y, a)
  4238  		return true
  4239  	}
  4240  	return false
  4241  }
  4242  func rewriteValueRISCV64_OpRISCV64MOVBUload(v *Value) bool {
  4243  	v_1 := v.Args[1]
  4244  	v_0 := v.Args[0]
  4245  	b := v.Block
  4246  	config := b.Func.Config
  4247  	// match: (MOVBUload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  4248  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  4249  	// result: (MOVBUload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4250  	for {
  4251  		off1 := auxIntToInt32(v.AuxInt)
  4252  		sym1 := auxToSym(v.Aux)
  4253  		if v_0.Op != OpRISCV64MOVaddr {
  4254  			break
  4255  		}
  4256  		off2 := auxIntToInt32(v_0.AuxInt)
  4257  		sym2 := auxToSym(v_0.Aux)
  4258  		base := v_0.Args[0]
  4259  		mem := v_1
  4260  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4261  			break
  4262  		}
  4263  		v.reset(OpRISCV64MOVBUload)
  4264  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4265  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4266  		v.AddArg2(base, mem)
  4267  		return true
  4268  	}
  4269  	// match: (MOVBUload [off1] {sym} (ADDI [off2] base) mem)
  4270  	// cond: is32Bit(int64(off1)+off2)
  4271  	// result: (MOVBUload [off1+int32(off2)] {sym} base mem)
  4272  	for {
  4273  		off1 := auxIntToInt32(v.AuxInt)
  4274  		sym := auxToSym(v.Aux)
  4275  		if v_0.Op != OpRISCV64ADDI {
  4276  			break
  4277  		}
  4278  		off2 := auxIntToInt64(v_0.AuxInt)
  4279  		base := v_0.Args[0]
  4280  		mem := v_1
  4281  		if !(is32Bit(int64(off1) + off2)) {
  4282  			break
  4283  		}
  4284  		v.reset(OpRISCV64MOVBUload)
  4285  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4286  		v.Aux = symToAux(sym)
  4287  		v.AddArg2(base, mem)
  4288  		return true
  4289  	}
  4290  	return false
  4291  }
  4292  func rewriteValueRISCV64_OpRISCV64MOVBUreg(v *Value) bool {
  4293  	v_0 := v.Args[0]
  4294  	b := v.Block
  4295  	// match: (MOVBUreg x:(FLES _ _))
  4296  	// result: x
  4297  	for {
  4298  		x := v_0
  4299  		if x.Op != OpRISCV64FLES {
  4300  			break
  4301  		}
  4302  		v.copyOf(x)
  4303  		return true
  4304  	}
  4305  	// match: (MOVBUreg x:(FLTS _ _))
  4306  	// result: x
  4307  	for {
  4308  		x := v_0
  4309  		if x.Op != OpRISCV64FLTS {
  4310  			break
  4311  		}
  4312  		v.copyOf(x)
  4313  		return true
  4314  	}
  4315  	// match: (MOVBUreg x:(FEQS _ _))
  4316  	// result: x
  4317  	for {
  4318  		x := v_0
  4319  		if x.Op != OpRISCV64FEQS {
  4320  			break
  4321  		}
  4322  		v.copyOf(x)
  4323  		return true
  4324  	}
  4325  	// match: (MOVBUreg x:(FNES _ _))
  4326  	// result: x
  4327  	for {
  4328  		x := v_0
  4329  		if x.Op != OpRISCV64FNES {
  4330  			break
  4331  		}
  4332  		v.copyOf(x)
  4333  		return true
  4334  	}
  4335  	// match: (MOVBUreg x:(FLED _ _))
  4336  	// result: x
  4337  	for {
  4338  		x := v_0
  4339  		if x.Op != OpRISCV64FLED {
  4340  			break
  4341  		}
  4342  		v.copyOf(x)
  4343  		return true
  4344  	}
  4345  	// match: (MOVBUreg x:(FLTD _ _))
  4346  	// result: x
  4347  	for {
  4348  		x := v_0
  4349  		if x.Op != OpRISCV64FLTD {
  4350  			break
  4351  		}
  4352  		v.copyOf(x)
  4353  		return true
  4354  	}
  4355  	// match: (MOVBUreg x:(FEQD _ _))
  4356  	// result: x
  4357  	for {
  4358  		x := v_0
  4359  		if x.Op != OpRISCV64FEQD {
  4360  			break
  4361  		}
  4362  		v.copyOf(x)
  4363  		return true
  4364  	}
  4365  	// match: (MOVBUreg x:(FNED _ _))
  4366  	// result: x
  4367  	for {
  4368  		x := v_0
  4369  		if x.Op != OpRISCV64FNED {
  4370  			break
  4371  		}
  4372  		v.copyOf(x)
  4373  		return true
  4374  	}
  4375  	// match: (MOVBUreg x:(SEQZ _))
  4376  	// result: x
  4377  	for {
  4378  		x := v_0
  4379  		if x.Op != OpRISCV64SEQZ {
  4380  			break
  4381  		}
  4382  		v.copyOf(x)
  4383  		return true
  4384  	}
  4385  	// match: (MOVBUreg x:(SNEZ _))
  4386  	// result: x
  4387  	for {
  4388  		x := v_0
  4389  		if x.Op != OpRISCV64SNEZ {
  4390  			break
  4391  		}
  4392  		v.copyOf(x)
  4393  		return true
  4394  	}
  4395  	// match: (MOVBUreg x:(SLT _ _))
  4396  	// result: x
  4397  	for {
  4398  		x := v_0
  4399  		if x.Op != OpRISCV64SLT {
  4400  			break
  4401  		}
  4402  		v.copyOf(x)
  4403  		return true
  4404  	}
  4405  	// match: (MOVBUreg x:(SLTU _ _))
  4406  	// result: x
  4407  	for {
  4408  		x := v_0
  4409  		if x.Op != OpRISCV64SLTU {
  4410  			break
  4411  		}
  4412  		v.copyOf(x)
  4413  		return true
  4414  	}
  4415  	// match: (MOVBUreg x:(ANDI [c] y))
  4416  	// cond: c >= 0 && int64(uint8(c)) == c
  4417  	// result: x
  4418  	for {
  4419  		x := v_0
  4420  		if x.Op != OpRISCV64ANDI {
  4421  			break
  4422  		}
  4423  		c := auxIntToInt64(x.AuxInt)
  4424  		if !(c >= 0 && int64(uint8(c)) == c) {
  4425  			break
  4426  		}
  4427  		v.copyOf(x)
  4428  		return true
  4429  	}
  4430  	// match: (MOVBUreg (ANDI [c] x))
  4431  	// cond: c < 0
  4432  	// result: (ANDI [int64(uint8(c))] x)
  4433  	for {
  4434  		if v_0.Op != OpRISCV64ANDI {
  4435  			break
  4436  		}
  4437  		c := auxIntToInt64(v_0.AuxInt)
  4438  		x := v_0.Args[0]
  4439  		if !(c < 0) {
  4440  			break
  4441  		}
  4442  		v.reset(OpRISCV64ANDI)
  4443  		v.AuxInt = int64ToAuxInt(int64(uint8(c)))
  4444  		v.AddArg(x)
  4445  		return true
  4446  	}
  4447  	// match: (MOVBUreg (MOVDconst [c]))
  4448  	// result: (MOVDconst [int64(uint8(c))])
  4449  	for {
  4450  		if v_0.Op != OpRISCV64MOVDconst {
  4451  			break
  4452  		}
  4453  		c := auxIntToInt64(v_0.AuxInt)
  4454  		v.reset(OpRISCV64MOVDconst)
  4455  		v.AuxInt = int64ToAuxInt(int64(uint8(c)))
  4456  		return true
  4457  	}
  4458  	// match: (MOVBUreg x:(MOVBUload _ _))
  4459  	// result: (MOVDreg x)
  4460  	for {
  4461  		x := v_0
  4462  		if x.Op != OpRISCV64MOVBUload {
  4463  			break
  4464  		}
  4465  		v.reset(OpRISCV64MOVDreg)
  4466  		v.AddArg(x)
  4467  		return true
  4468  	}
  4469  	// match: (MOVBUreg x:(Select0 (LoweredAtomicLoad8 _ _)))
  4470  	// result: (MOVDreg x)
  4471  	for {
  4472  		x := v_0
  4473  		if x.Op != OpSelect0 {
  4474  			break
  4475  		}
  4476  		x_0 := x.Args[0]
  4477  		if x_0.Op != OpRISCV64LoweredAtomicLoad8 {
  4478  			break
  4479  		}
  4480  		v.reset(OpRISCV64MOVDreg)
  4481  		v.AddArg(x)
  4482  		return true
  4483  	}
  4484  	// match: (MOVBUreg x:(Select0 (LoweredAtomicCas32 _ _ _ _)))
  4485  	// result: (MOVDreg x)
  4486  	for {
  4487  		x := v_0
  4488  		if x.Op != OpSelect0 {
  4489  			break
  4490  		}
  4491  		x_0 := x.Args[0]
  4492  		if x_0.Op != OpRISCV64LoweredAtomicCas32 {
  4493  			break
  4494  		}
  4495  		v.reset(OpRISCV64MOVDreg)
  4496  		v.AddArg(x)
  4497  		return true
  4498  	}
  4499  	// match: (MOVBUreg x:(Select0 (LoweredAtomicCas64 _ _ _ _)))
  4500  	// result: (MOVDreg x)
  4501  	for {
  4502  		x := v_0
  4503  		if x.Op != OpSelect0 {
  4504  			break
  4505  		}
  4506  		x_0 := x.Args[0]
  4507  		if x_0.Op != OpRISCV64LoweredAtomicCas64 {
  4508  			break
  4509  		}
  4510  		v.reset(OpRISCV64MOVDreg)
  4511  		v.AddArg(x)
  4512  		return true
  4513  	}
  4514  	// match: (MOVBUreg x:(MOVBUreg _))
  4515  	// result: (MOVDreg x)
  4516  	for {
  4517  		x := v_0
  4518  		if x.Op != OpRISCV64MOVBUreg {
  4519  			break
  4520  		}
  4521  		v.reset(OpRISCV64MOVDreg)
  4522  		v.AddArg(x)
  4523  		return true
  4524  	}
  4525  	// match: (MOVBUreg <t> x:(MOVBload [off] {sym} ptr mem))
  4526  	// cond: x.Uses == 1 && clobber(x)
  4527  	// result: @x.Block (MOVBUload <t> [off] {sym} ptr mem)
  4528  	for {
  4529  		t := v.Type
  4530  		x := v_0
  4531  		if x.Op != OpRISCV64MOVBload {
  4532  			break
  4533  		}
  4534  		off := auxIntToInt32(x.AuxInt)
  4535  		sym := auxToSym(x.Aux)
  4536  		mem := x.Args[1]
  4537  		ptr := x.Args[0]
  4538  		if !(x.Uses == 1 && clobber(x)) {
  4539  			break
  4540  		}
  4541  		b = x.Block
  4542  		v0 := b.NewValue0(x.Pos, OpRISCV64MOVBUload, t)
  4543  		v.copyOf(v0)
  4544  		v0.AuxInt = int32ToAuxInt(off)
  4545  		v0.Aux = symToAux(sym)
  4546  		v0.AddArg2(ptr, mem)
  4547  		return true
  4548  	}
  4549  	return false
  4550  }
  4551  func rewriteValueRISCV64_OpRISCV64MOVBload(v *Value) bool {
  4552  	v_1 := v.Args[1]
  4553  	v_0 := v.Args[0]
  4554  	b := v.Block
  4555  	config := b.Func.Config
  4556  	// match: (MOVBload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  4557  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  4558  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4559  	for {
  4560  		off1 := auxIntToInt32(v.AuxInt)
  4561  		sym1 := auxToSym(v.Aux)
  4562  		if v_0.Op != OpRISCV64MOVaddr {
  4563  			break
  4564  		}
  4565  		off2 := auxIntToInt32(v_0.AuxInt)
  4566  		sym2 := auxToSym(v_0.Aux)
  4567  		base := v_0.Args[0]
  4568  		mem := v_1
  4569  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4570  			break
  4571  		}
  4572  		v.reset(OpRISCV64MOVBload)
  4573  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4574  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4575  		v.AddArg2(base, mem)
  4576  		return true
  4577  	}
  4578  	// match: (MOVBload [off1] {sym} (ADDI [off2] base) mem)
  4579  	// cond: is32Bit(int64(off1)+off2)
  4580  	// result: (MOVBload [off1+int32(off2)] {sym} base mem)
  4581  	for {
  4582  		off1 := auxIntToInt32(v.AuxInt)
  4583  		sym := auxToSym(v.Aux)
  4584  		if v_0.Op != OpRISCV64ADDI {
  4585  			break
  4586  		}
  4587  		off2 := auxIntToInt64(v_0.AuxInt)
  4588  		base := v_0.Args[0]
  4589  		mem := v_1
  4590  		if !(is32Bit(int64(off1) + off2)) {
  4591  			break
  4592  		}
  4593  		v.reset(OpRISCV64MOVBload)
  4594  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4595  		v.Aux = symToAux(sym)
  4596  		v.AddArg2(base, mem)
  4597  		return true
  4598  	}
  4599  	return false
  4600  }
  4601  func rewriteValueRISCV64_OpRISCV64MOVBreg(v *Value) bool {
  4602  	v_0 := v.Args[0]
  4603  	b := v.Block
  4604  	// match: (MOVBreg x:(ANDI [c] y))
  4605  	// cond: c >= 0 && int64(int8(c)) == c
  4606  	// result: x
  4607  	for {
  4608  		x := v_0
  4609  		if x.Op != OpRISCV64ANDI {
  4610  			break
  4611  		}
  4612  		c := auxIntToInt64(x.AuxInt)
  4613  		if !(c >= 0 && int64(int8(c)) == c) {
  4614  			break
  4615  		}
  4616  		v.copyOf(x)
  4617  		return true
  4618  	}
  4619  	// match: (MOVBreg (MOVDconst [c]))
  4620  	// result: (MOVDconst [int64(int8(c))])
  4621  	for {
  4622  		if v_0.Op != OpRISCV64MOVDconst {
  4623  			break
  4624  		}
  4625  		c := auxIntToInt64(v_0.AuxInt)
  4626  		v.reset(OpRISCV64MOVDconst)
  4627  		v.AuxInt = int64ToAuxInt(int64(int8(c)))
  4628  		return true
  4629  	}
  4630  	// match: (MOVBreg x:(MOVBload _ _))
  4631  	// result: (MOVDreg x)
  4632  	for {
  4633  		x := v_0
  4634  		if x.Op != OpRISCV64MOVBload {
  4635  			break
  4636  		}
  4637  		v.reset(OpRISCV64MOVDreg)
  4638  		v.AddArg(x)
  4639  		return true
  4640  	}
  4641  	// match: (MOVBreg x:(MOVBreg _))
  4642  	// result: (MOVDreg x)
  4643  	for {
  4644  		x := v_0
  4645  		if x.Op != OpRISCV64MOVBreg {
  4646  			break
  4647  		}
  4648  		v.reset(OpRISCV64MOVDreg)
  4649  		v.AddArg(x)
  4650  		return true
  4651  	}
  4652  	// match: (MOVBreg <t> x:(MOVBUload [off] {sym} ptr mem))
  4653  	// cond: x.Uses == 1 && clobber(x)
  4654  	// result: @x.Block (MOVBload <t> [off] {sym} ptr mem)
  4655  	for {
  4656  		t := v.Type
  4657  		x := v_0
  4658  		if x.Op != OpRISCV64MOVBUload {
  4659  			break
  4660  		}
  4661  		off := auxIntToInt32(x.AuxInt)
  4662  		sym := auxToSym(x.Aux)
  4663  		mem := x.Args[1]
  4664  		ptr := x.Args[0]
  4665  		if !(x.Uses == 1 && clobber(x)) {
  4666  			break
  4667  		}
  4668  		b = x.Block
  4669  		v0 := b.NewValue0(x.Pos, OpRISCV64MOVBload, t)
  4670  		v.copyOf(v0)
  4671  		v0.AuxInt = int32ToAuxInt(off)
  4672  		v0.Aux = symToAux(sym)
  4673  		v0.AddArg2(ptr, mem)
  4674  		return true
  4675  	}
  4676  	return false
  4677  }
  4678  func rewriteValueRISCV64_OpRISCV64MOVBstore(v *Value) bool {
  4679  	v_2 := v.Args[2]
  4680  	v_1 := v.Args[1]
  4681  	v_0 := v.Args[0]
  4682  	b := v.Block
  4683  	config := b.Func.Config
  4684  	// match: (MOVBstore [off1] {sym1} (MOVaddr [off2] {sym2} base) val mem)
  4685  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  4686  	// result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4687  	for {
  4688  		off1 := auxIntToInt32(v.AuxInt)
  4689  		sym1 := auxToSym(v.Aux)
  4690  		if v_0.Op != OpRISCV64MOVaddr {
  4691  			break
  4692  		}
  4693  		off2 := auxIntToInt32(v_0.AuxInt)
  4694  		sym2 := auxToSym(v_0.Aux)
  4695  		base := v_0.Args[0]
  4696  		val := v_1
  4697  		mem := v_2
  4698  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4699  			break
  4700  		}
  4701  		v.reset(OpRISCV64MOVBstore)
  4702  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4703  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4704  		v.AddArg3(base, val, mem)
  4705  		return true
  4706  	}
  4707  	// match: (MOVBstore [off1] {sym} (ADDI [off2] base) val mem)
  4708  	// cond: is32Bit(int64(off1)+off2)
  4709  	// result: (MOVBstore [off1+int32(off2)] {sym} base val mem)
  4710  	for {
  4711  		off1 := auxIntToInt32(v.AuxInt)
  4712  		sym := auxToSym(v.Aux)
  4713  		if v_0.Op != OpRISCV64ADDI {
  4714  			break
  4715  		}
  4716  		off2 := auxIntToInt64(v_0.AuxInt)
  4717  		base := v_0.Args[0]
  4718  		val := v_1
  4719  		mem := v_2
  4720  		if !(is32Bit(int64(off1) + off2)) {
  4721  			break
  4722  		}
  4723  		v.reset(OpRISCV64MOVBstore)
  4724  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4725  		v.Aux = symToAux(sym)
  4726  		v.AddArg3(base, val, mem)
  4727  		return true
  4728  	}
  4729  	// match: (MOVBstore [off] {sym} ptr (MOVDconst [0]) mem)
  4730  	// result: (MOVBstorezero [off] {sym} ptr mem)
  4731  	for {
  4732  		off := auxIntToInt32(v.AuxInt)
  4733  		sym := auxToSym(v.Aux)
  4734  		ptr := v_0
  4735  		if v_1.Op != OpRISCV64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  4736  			break
  4737  		}
  4738  		mem := v_2
  4739  		v.reset(OpRISCV64MOVBstorezero)
  4740  		v.AuxInt = int32ToAuxInt(off)
  4741  		v.Aux = symToAux(sym)
  4742  		v.AddArg2(ptr, mem)
  4743  		return true
  4744  	}
  4745  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
  4746  	// result: (MOVBstore [off] {sym} ptr x mem)
  4747  	for {
  4748  		off := auxIntToInt32(v.AuxInt)
  4749  		sym := auxToSym(v.Aux)
  4750  		ptr := v_0
  4751  		if v_1.Op != OpRISCV64MOVBreg {
  4752  			break
  4753  		}
  4754  		x := v_1.Args[0]
  4755  		mem := v_2
  4756  		v.reset(OpRISCV64MOVBstore)
  4757  		v.AuxInt = int32ToAuxInt(off)
  4758  		v.Aux = symToAux(sym)
  4759  		v.AddArg3(ptr, x, mem)
  4760  		return true
  4761  	}
  4762  	// match: (MOVBstore [off] {sym} ptr (MOVHreg x) mem)
  4763  	// result: (MOVBstore [off] {sym} ptr x mem)
  4764  	for {
  4765  		off := auxIntToInt32(v.AuxInt)
  4766  		sym := auxToSym(v.Aux)
  4767  		ptr := v_0
  4768  		if v_1.Op != OpRISCV64MOVHreg {
  4769  			break
  4770  		}
  4771  		x := v_1.Args[0]
  4772  		mem := v_2
  4773  		v.reset(OpRISCV64MOVBstore)
  4774  		v.AuxInt = int32ToAuxInt(off)
  4775  		v.Aux = symToAux(sym)
  4776  		v.AddArg3(ptr, x, mem)
  4777  		return true
  4778  	}
  4779  	// match: (MOVBstore [off] {sym} ptr (MOVWreg x) mem)
  4780  	// result: (MOVBstore [off] {sym} ptr x mem)
  4781  	for {
  4782  		off := auxIntToInt32(v.AuxInt)
  4783  		sym := auxToSym(v.Aux)
  4784  		ptr := v_0
  4785  		if v_1.Op != OpRISCV64MOVWreg {
  4786  			break
  4787  		}
  4788  		x := v_1.Args[0]
  4789  		mem := v_2
  4790  		v.reset(OpRISCV64MOVBstore)
  4791  		v.AuxInt = int32ToAuxInt(off)
  4792  		v.Aux = symToAux(sym)
  4793  		v.AddArg3(ptr, x, mem)
  4794  		return true
  4795  	}
  4796  	// match: (MOVBstore [off] {sym} ptr (MOVBUreg x) mem)
  4797  	// result: (MOVBstore [off] {sym} ptr x mem)
  4798  	for {
  4799  		off := auxIntToInt32(v.AuxInt)
  4800  		sym := auxToSym(v.Aux)
  4801  		ptr := v_0
  4802  		if v_1.Op != OpRISCV64MOVBUreg {
  4803  			break
  4804  		}
  4805  		x := v_1.Args[0]
  4806  		mem := v_2
  4807  		v.reset(OpRISCV64MOVBstore)
  4808  		v.AuxInt = int32ToAuxInt(off)
  4809  		v.Aux = symToAux(sym)
  4810  		v.AddArg3(ptr, x, mem)
  4811  		return true
  4812  	}
  4813  	// match: (MOVBstore [off] {sym} ptr (MOVHUreg x) mem)
  4814  	// result: (MOVBstore [off] {sym} ptr x mem)
  4815  	for {
  4816  		off := auxIntToInt32(v.AuxInt)
  4817  		sym := auxToSym(v.Aux)
  4818  		ptr := v_0
  4819  		if v_1.Op != OpRISCV64MOVHUreg {
  4820  			break
  4821  		}
  4822  		x := v_1.Args[0]
  4823  		mem := v_2
  4824  		v.reset(OpRISCV64MOVBstore)
  4825  		v.AuxInt = int32ToAuxInt(off)
  4826  		v.Aux = symToAux(sym)
  4827  		v.AddArg3(ptr, x, mem)
  4828  		return true
  4829  	}
  4830  	// match: (MOVBstore [off] {sym} ptr (MOVWUreg x) mem)
  4831  	// result: (MOVBstore [off] {sym} ptr x mem)
  4832  	for {
  4833  		off := auxIntToInt32(v.AuxInt)
  4834  		sym := auxToSym(v.Aux)
  4835  		ptr := v_0
  4836  		if v_1.Op != OpRISCV64MOVWUreg {
  4837  			break
  4838  		}
  4839  		x := v_1.Args[0]
  4840  		mem := v_2
  4841  		v.reset(OpRISCV64MOVBstore)
  4842  		v.AuxInt = int32ToAuxInt(off)
  4843  		v.Aux = symToAux(sym)
  4844  		v.AddArg3(ptr, x, mem)
  4845  		return true
  4846  	}
  4847  	return false
  4848  }
  4849  func rewriteValueRISCV64_OpRISCV64MOVBstorezero(v *Value) bool {
  4850  	v_1 := v.Args[1]
  4851  	v_0 := v.Args[0]
  4852  	b := v.Block
  4853  	config := b.Func.Config
  4854  	// match: (MOVBstorezero [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  4855  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  4856  	// result: (MOVBstorezero [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4857  	for {
  4858  		off1 := auxIntToInt32(v.AuxInt)
  4859  		sym1 := auxToSym(v.Aux)
  4860  		if v_0.Op != OpRISCV64MOVaddr {
  4861  			break
  4862  		}
  4863  		off2 := auxIntToInt32(v_0.AuxInt)
  4864  		sym2 := auxToSym(v_0.Aux)
  4865  		base := v_0.Args[0]
  4866  		mem := v_1
  4867  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4868  			break
  4869  		}
  4870  		v.reset(OpRISCV64MOVBstorezero)
  4871  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4872  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4873  		v.AddArg2(base, mem)
  4874  		return true
  4875  	}
  4876  	// match: (MOVBstorezero [off1] {sym} (ADDI [off2] base) mem)
  4877  	// cond: is32Bit(int64(off1)+off2)
  4878  	// result: (MOVBstorezero [off1+int32(off2)] {sym} base mem)
  4879  	for {
  4880  		off1 := auxIntToInt32(v.AuxInt)
  4881  		sym := auxToSym(v.Aux)
  4882  		if v_0.Op != OpRISCV64ADDI {
  4883  			break
  4884  		}
  4885  		off2 := auxIntToInt64(v_0.AuxInt)
  4886  		base := v_0.Args[0]
  4887  		mem := v_1
  4888  		if !(is32Bit(int64(off1) + off2)) {
  4889  			break
  4890  		}
  4891  		v.reset(OpRISCV64MOVBstorezero)
  4892  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4893  		v.Aux = symToAux(sym)
  4894  		v.AddArg2(base, mem)
  4895  		return true
  4896  	}
  4897  	return false
  4898  }
  4899  func rewriteValueRISCV64_OpRISCV64MOVDload(v *Value) bool {
  4900  	v_1 := v.Args[1]
  4901  	v_0 := v.Args[0]
  4902  	b := v.Block
  4903  	config := b.Func.Config
  4904  	// match: (MOVDload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  4905  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  4906  	// result: (MOVDload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4907  	for {
  4908  		off1 := auxIntToInt32(v.AuxInt)
  4909  		sym1 := auxToSym(v.Aux)
  4910  		if v_0.Op != OpRISCV64MOVaddr {
  4911  			break
  4912  		}
  4913  		off2 := auxIntToInt32(v_0.AuxInt)
  4914  		sym2 := auxToSym(v_0.Aux)
  4915  		base := v_0.Args[0]
  4916  		mem := v_1
  4917  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4918  			break
  4919  		}
  4920  		v.reset(OpRISCV64MOVDload)
  4921  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4922  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4923  		v.AddArg2(base, mem)
  4924  		return true
  4925  	}
  4926  	// match: (MOVDload [off1] {sym} (ADDI [off2] base) mem)
  4927  	// cond: is32Bit(int64(off1)+off2)
  4928  	// result: (MOVDload [off1+int32(off2)] {sym} base mem)
  4929  	for {
  4930  		off1 := auxIntToInt32(v.AuxInt)
  4931  		sym := auxToSym(v.Aux)
  4932  		if v_0.Op != OpRISCV64ADDI {
  4933  			break
  4934  		}
  4935  		off2 := auxIntToInt64(v_0.AuxInt)
  4936  		base := v_0.Args[0]
  4937  		mem := v_1
  4938  		if !(is32Bit(int64(off1) + off2)) {
  4939  			break
  4940  		}
  4941  		v.reset(OpRISCV64MOVDload)
  4942  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4943  		v.Aux = symToAux(sym)
  4944  		v.AddArg2(base, mem)
  4945  		return true
  4946  	}
  4947  	return false
  4948  }
  4949  func rewriteValueRISCV64_OpRISCV64MOVDnop(v *Value) bool {
  4950  	v_0 := v.Args[0]
  4951  	// match: (MOVDnop (MOVDconst [c]))
  4952  	// result: (MOVDconst [c])
  4953  	for {
  4954  		if v_0.Op != OpRISCV64MOVDconst {
  4955  			break
  4956  		}
  4957  		c := auxIntToInt64(v_0.AuxInt)
  4958  		v.reset(OpRISCV64MOVDconst)
  4959  		v.AuxInt = int64ToAuxInt(c)
  4960  		return true
  4961  	}
  4962  	return false
  4963  }
  4964  func rewriteValueRISCV64_OpRISCV64MOVDreg(v *Value) bool {
  4965  	v_0 := v.Args[0]
  4966  	// match: (MOVDreg x)
  4967  	// cond: x.Uses == 1
  4968  	// result: (MOVDnop x)
  4969  	for {
  4970  		x := v_0
  4971  		if !(x.Uses == 1) {
  4972  			break
  4973  		}
  4974  		v.reset(OpRISCV64MOVDnop)
  4975  		v.AddArg(x)
  4976  		return true
  4977  	}
  4978  	return false
  4979  }
  4980  func rewriteValueRISCV64_OpRISCV64MOVDstore(v *Value) bool {
  4981  	v_2 := v.Args[2]
  4982  	v_1 := v.Args[1]
  4983  	v_0 := v.Args[0]
  4984  	b := v.Block
  4985  	config := b.Func.Config
  4986  	// match: (MOVDstore [off1] {sym1} (MOVaddr [off2] {sym2} base) val mem)
  4987  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  4988  	// result: (MOVDstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4989  	for {
  4990  		off1 := auxIntToInt32(v.AuxInt)
  4991  		sym1 := auxToSym(v.Aux)
  4992  		if v_0.Op != OpRISCV64MOVaddr {
  4993  			break
  4994  		}
  4995  		off2 := auxIntToInt32(v_0.AuxInt)
  4996  		sym2 := auxToSym(v_0.Aux)
  4997  		base := v_0.Args[0]
  4998  		val := v_1
  4999  		mem := v_2
  5000  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5001  			break
  5002  		}
  5003  		v.reset(OpRISCV64MOVDstore)
  5004  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5005  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5006  		v.AddArg3(base, val, mem)
  5007  		return true
  5008  	}
  5009  	// match: (MOVDstore [off1] {sym} (ADDI [off2] base) val mem)
  5010  	// cond: is32Bit(int64(off1)+off2)
  5011  	// result: (MOVDstore [off1+int32(off2)] {sym} base val mem)
  5012  	for {
  5013  		off1 := auxIntToInt32(v.AuxInt)
  5014  		sym := auxToSym(v.Aux)
  5015  		if v_0.Op != OpRISCV64ADDI {
  5016  			break
  5017  		}
  5018  		off2 := auxIntToInt64(v_0.AuxInt)
  5019  		base := v_0.Args[0]
  5020  		val := v_1
  5021  		mem := v_2
  5022  		if !(is32Bit(int64(off1) + off2)) {
  5023  			break
  5024  		}
  5025  		v.reset(OpRISCV64MOVDstore)
  5026  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5027  		v.Aux = symToAux(sym)
  5028  		v.AddArg3(base, val, mem)
  5029  		return true
  5030  	}
  5031  	// match: (MOVDstore [off] {sym} ptr (MOVDconst [0]) mem)
  5032  	// result: (MOVDstorezero [off] {sym} ptr mem)
  5033  	for {
  5034  		off := auxIntToInt32(v.AuxInt)
  5035  		sym := auxToSym(v.Aux)
  5036  		ptr := v_0
  5037  		if v_1.Op != OpRISCV64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  5038  			break
  5039  		}
  5040  		mem := v_2
  5041  		v.reset(OpRISCV64MOVDstorezero)
  5042  		v.AuxInt = int32ToAuxInt(off)
  5043  		v.Aux = symToAux(sym)
  5044  		v.AddArg2(ptr, mem)
  5045  		return true
  5046  	}
  5047  	return false
  5048  }
  5049  func rewriteValueRISCV64_OpRISCV64MOVDstorezero(v *Value) bool {
  5050  	v_1 := v.Args[1]
  5051  	v_0 := v.Args[0]
  5052  	b := v.Block
  5053  	config := b.Func.Config
  5054  	// match: (MOVDstorezero [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  5055  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  5056  	// result: (MOVDstorezero [off1+off2] {mergeSym(sym1,sym2)} base mem)
  5057  	for {
  5058  		off1 := auxIntToInt32(v.AuxInt)
  5059  		sym1 := auxToSym(v.Aux)
  5060  		if v_0.Op != OpRISCV64MOVaddr {
  5061  			break
  5062  		}
  5063  		off2 := auxIntToInt32(v_0.AuxInt)
  5064  		sym2 := auxToSym(v_0.Aux)
  5065  		base := v_0.Args[0]
  5066  		mem := v_1
  5067  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5068  			break
  5069  		}
  5070  		v.reset(OpRISCV64MOVDstorezero)
  5071  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5072  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5073  		v.AddArg2(base, mem)
  5074  		return true
  5075  	}
  5076  	// match: (MOVDstorezero [off1] {sym} (ADDI [off2] base) mem)
  5077  	// cond: is32Bit(int64(off1)+off2)
  5078  	// result: (MOVDstorezero [off1+int32(off2)] {sym} base mem)
  5079  	for {
  5080  		off1 := auxIntToInt32(v.AuxInt)
  5081  		sym := auxToSym(v.Aux)
  5082  		if v_0.Op != OpRISCV64ADDI {
  5083  			break
  5084  		}
  5085  		off2 := auxIntToInt64(v_0.AuxInt)
  5086  		base := v_0.Args[0]
  5087  		mem := v_1
  5088  		if !(is32Bit(int64(off1) + off2)) {
  5089  			break
  5090  		}
  5091  		v.reset(OpRISCV64MOVDstorezero)
  5092  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5093  		v.Aux = symToAux(sym)
  5094  		v.AddArg2(base, mem)
  5095  		return true
  5096  	}
  5097  	return false
  5098  }
  5099  func rewriteValueRISCV64_OpRISCV64MOVHUload(v *Value) bool {
  5100  	v_1 := v.Args[1]
  5101  	v_0 := v.Args[0]
  5102  	b := v.Block
  5103  	config := b.Func.Config
  5104  	// match: (MOVHUload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  5105  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  5106  	// result: (MOVHUload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  5107  	for {
  5108  		off1 := auxIntToInt32(v.AuxInt)
  5109  		sym1 := auxToSym(v.Aux)
  5110  		if v_0.Op != OpRISCV64MOVaddr {
  5111  			break
  5112  		}
  5113  		off2 := auxIntToInt32(v_0.AuxInt)
  5114  		sym2 := auxToSym(v_0.Aux)
  5115  		base := v_0.Args[0]
  5116  		mem := v_1
  5117  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5118  			break
  5119  		}
  5120  		v.reset(OpRISCV64MOVHUload)
  5121  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5122  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5123  		v.AddArg2(base, mem)
  5124  		return true
  5125  	}
  5126  	// match: (MOVHUload [off1] {sym} (ADDI [off2] base) mem)
  5127  	// cond: is32Bit(int64(off1)+off2)
  5128  	// result: (MOVHUload [off1+int32(off2)] {sym} base mem)
  5129  	for {
  5130  		off1 := auxIntToInt32(v.AuxInt)
  5131  		sym := auxToSym(v.Aux)
  5132  		if v_0.Op != OpRISCV64ADDI {
  5133  			break
  5134  		}
  5135  		off2 := auxIntToInt64(v_0.AuxInt)
  5136  		base := v_0.Args[0]
  5137  		mem := v_1
  5138  		if !(is32Bit(int64(off1) + off2)) {
  5139  			break
  5140  		}
  5141  		v.reset(OpRISCV64MOVHUload)
  5142  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5143  		v.Aux = symToAux(sym)
  5144  		v.AddArg2(base, mem)
  5145  		return true
  5146  	}
  5147  	return false
  5148  }
  5149  func rewriteValueRISCV64_OpRISCV64MOVHUreg(v *Value) bool {
  5150  	v_0 := v.Args[0]
  5151  	b := v.Block
  5152  	// match: (MOVHUreg x:(ANDI [c] y))
  5153  	// cond: c >= 0 && int64(uint16(c)) == c
  5154  	// result: x
  5155  	for {
  5156  		x := v_0
  5157  		if x.Op != OpRISCV64ANDI {
  5158  			break
  5159  		}
  5160  		c := auxIntToInt64(x.AuxInt)
  5161  		if !(c >= 0 && int64(uint16(c)) == c) {
  5162  			break
  5163  		}
  5164  		v.copyOf(x)
  5165  		return true
  5166  	}
  5167  	// match: (MOVHUreg (ANDI [c] x))
  5168  	// cond: c < 0
  5169  	// result: (ANDI [int64(uint16(c))] x)
  5170  	for {
  5171  		if v_0.Op != OpRISCV64ANDI {
  5172  			break
  5173  		}
  5174  		c := auxIntToInt64(v_0.AuxInt)
  5175  		x := v_0.Args[0]
  5176  		if !(c < 0) {
  5177  			break
  5178  		}
  5179  		v.reset(OpRISCV64ANDI)
  5180  		v.AuxInt = int64ToAuxInt(int64(uint16(c)))
  5181  		v.AddArg(x)
  5182  		return true
  5183  	}
  5184  	// match: (MOVHUreg (MOVDconst [c]))
  5185  	// result: (MOVDconst [int64(uint16(c))])
  5186  	for {
  5187  		if v_0.Op != OpRISCV64MOVDconst {
  5188  			break
  5189  		}
  5190  		c := auxIntToInt64(v_0.AuxInt)
  5191  		v.reset(OpRISCV64MOVDconst)
  5192  		v.AuxInt = int64ToAuxInt(int64(uint16(c)))
  5193  		return true
  5194  	}
  5195  	// match: (MOVHUreg x:(MOVBUload _ _))
  5196  	// result: (MOVDreg x)
  5197  	for {
  5198  		x := v_0
  5199  		if x.Op != OpRISCV64MOVBUload {
  5200  			break
  5201  		}
  5202  		v.reset(OpRISCV64MOVDreg)
  5203  		v.AddArg(x)
  5204  		return true
  5205  	}
  5206  	// match: (MOVHUreg x:(MOVHUload _ _))
  5207  	// result: (MOVDreg x)
  5208  	for {
  5209  		x := v_0
  5210  		if x.Op != OpRISCV64MOVHUload {
  5211  			break
  5212  		}
  5213  		v.reset(OpRISCV64MOVDreg)
  5214  		v.AddArg(x)
  5215  		return true
  5216  	}
  5217  	// match: (MOVHUreg x:(MOVBUreg _))
  5218  	// result: (MOVDreg x)
  5219  	for {
  5220  		x := v_0
  5221  		if x.Op != OpRISCV64MOVBUreg {
  5222  			break
  5223  		}
  5224  		v.reset(OpRISCV64MOVDreg)
  5225  		v.AddArg(x)
  5226  		return true
  5227  	}
  5228  	// match: (MOVHUreg x:(MOVHUreg _))
  5229  	// result: (MOVDreg x)
  5230  	for {
  5231  		x := v_0
  5232  		if x.Op != OpRISCV64MOVHUreg {
  5233  			break
  5234  		}
  5235  		v.reset(OpRISCV64MOVDreg)
  5236  		v.AddArg(x)
  5237  		return true
  5238  	}
  5239  	// match: (MOVHUreg <t> x:(MOVHload [off] {sym} ptr mem))
  5240  	// cond: x.Uses == 1 && clobber(x)
  5241  	// result: @x.Block (MOVHUload <t> [off] {sym} ptr mem)
  5242  	for {
  5243  		t := v.Type
  5244  		x := v_0
  5245  		if x.Op != OpRISCV64MOVHload {
  5246  			break
  5247  		}
  5248  		off := auxIntToInt32(x.AuxInt)
  5249  		sym := auxToSym(x.Aux)
  5250  		mem := x.Args[1]
  5251  		ptr := x.Args[0]
  5252  		if !(x.Uses == 1 && clobber(x)) {
  5253  			break
  5254  		}
  5255  		b = x.Block
  5256  		v0 := b.NewValue0(x.Pos, OpRISCV64MOVHUload, t)
  5257  		v.copyOf(v0)
  5258  		v0.AuxInt = int32ToAuxInt(off)
  5259  		v0.Aux = symToAux(sym)
  5260  		v0.AddArg2(ptr, mem)
  5261  		return true
  5262  	}
  5263  	return false
  5264  }
  5265  func rewriteValueRISCV64_OpRISCV64MOVHload(v *Value) bool {
  5266  	v_1 := v.Args[1]
  5267  	v_0 := v.Args[0]
  5268  	b := v.Block
  5269  	config := b.Func.Config
  5270  	// match: (MOVHload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  5271  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  5272  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  5273  	for {
  5274  		off1 := auxIntToInt32(v.AuxInt)
  5275  		sym1 := auxToSym(v.Aux)
  5276  		if v_0.Op != OpRISCV64MOVaddr {
  5277  			break
  5278  		}
  5279  		off2 := auxIntToInt32(v_0.AuxInt)
  5280  		sym2 := auxToSym(v_0.Aux)
  5281  		base := v_0.Args[0]
  5282  		mem := v_1
  5283  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5284  			break
  5285  		}
  5286  		v.reset(OpRISCV64MOVHload)
  5287  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5288  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5289  		v.AddArg2(base, mem)
  5290  		return true
  5291  	}
  5292  	// match: (MOVHload [off1] {sym} (ADDI [off2] base) mem)
  5293  	// cond: is32Bit(int64(off1)+off2)
  5294  	// result: (MOVHload [off1+int32(off2)] {sym} base mem)
  5295  	for {
  5296  		off1 := auxIntToInt32(v.AuxInt)
  5297  		sym := auxToSym(v.Aux)
  5298  		if v_0.Op != OpRISCV64ADDI {
  5299  			break
  5300  		}
  5301  		off2 := auxIntToInt64(v_0.AuxInt)
  5302  		base := v_0.Args[0]
  5303  		mem := v_1
  5304  		if !(is32Bit(int64(off1) + off2)) {
  5305  			break
  5306  		}
  5307  		v.reset(OpRISCV64MOVHload)
  5308  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5309  		v.Aux = symToAux(sym)
  5310  		v.AddArg2(base, mem)
  5311  		return true
  5312  	}
  5313  	return false
  5314  }
  5315  func rewriteValueRISCV64_OpRISCV64MOVHreg(v *Value) bool {
  5316  	v_0 := v.Args[0]
  5317  	b := v.Block
  5318  	// match: (MOVHreg x:(ANDI [c] y))
  5319  	// cond: c >= 0 && int64(int16(c)) == c
  5320  	// result: x
  5321  	for {
  5322  		x := v_0
  5323  		if x.Op != OpRISCV64ANDI {
  5324  			break
  5325  		}
  5326  		c := auxIntToInt64(x.AuxInt)
  5327  		if !(c >= 0 && int64(int16(c)) == c) {
  5328  			break
  5329  		}
  5330  		v.copyOf(x)
  5331  		return true
  5332  	}
  5333  	// match: (MOVHreg (MOVDconst [c]))
  5334  	// result: (MOVDconst [int64(int16(c))])
  5335  	for {
  5336  		if v_0.Op != OpRISCV64MOVDconst {
  5337  			break
  5338  		}
  5339  		c := auxIntToInt64(v_0.AuxInt)
  5340  		v.reset(OpRISCV64MOVDconst)
  5341  		v.AuxInt = int64ToAuxInt(int64(int16(c)))
  5342  		return true
  5343  	}
  5344  	// match: (MOVHreg x:(MOVBload _ _))
  5345  	// result: (MOVDreg x)
  5346  	for {
  5347  		x := v_0
  5348  		if x.Op != OpRISCV64MOVBload {
  5349  			break
  5350  		}
  5351  		v.reset(OpRISCV64MOVDreg)
  5352  		v.AddArg(x)
  5353  		return true
  5354  	}
  5355  	// match: (MOVHreg x:(MOVBUload _ _))
  5356  	// result: (MOVDreg x)
  5357  	for {
  5358  		x := v_0
  5359  		if x.Op != OpRISCV64MOVBUload {
  5360  			break
  5361  		}
  5362  		v.reset(OpRISCV64MOVDreg)
  5363  		v.AddArg(x)
  5364  		return true
  5365  	}
  5366  	// match: (MOVHreg x:(MOVHload _ _))
  5367  	// result: (MOVDreg x)
  5368  	for {
  5369  		x := v_0
  5370  		if x.Op != OpRISCV64MOVHload {
  5371  			break
  5372  		}
  5373  		v.reset(OpRISCV64MOVDreg)
  5374  		v.AddArg(x)
  5375  		return true
  5376  	}
  5377  	// match: (MOVHreg x:(MOVBreg _))
  5378  	// result: (MOVDreg x)
  5379  	for {
  5380  		x := v_0
  5381  		if x.Op != OpRISCV64MOVBreg {
  5382  			break
  5383  		}
  5384  		v.reset(OpRISCV64MOVDreg)
  5385  		v.AddArg(x)
  5386  		return true
  5387  	}
  5388  	// match: (MOVHreg x:(MOVBUreg _))
  5389  	// result: (MOVDreg x)
  5390  	for {
  5391  		x := v_0
  5392  		if x.Op != OpRISCV64MOVBUreg {
  5393  			break
  5394  		}
  5395  		v.reset(OpRISCV64MOVDreg)
  5396  		v.AddArg(x)
  5397  		return true
  5398  	}
  5399  	// match: (MOVHreg x:(MOVHreg _))
  5400  	// result: (MOVDreg x)
  5401  	for {
  5402  		x := v_0
  5403  		if x.Op != OpRISCV64MOVHreg {
  5404  			break
  5405  		}
  5406  		v.reset(OpRISCV64MOVDreg)
  5407  		v.AddArg(x)
  5408  		return true
  5409  	}
  5410  	// match: (MOVHreg <t> x:(MOVHUload [off] {sym} ptr mem))
  5411  	// cond: x.Uses == 1 && clobber(x)
  5412  	// result: @x.Block (MOVHload <t> [off] {sym} ptr mem)
  5413  	for {
  5414  		t := v.Type
  5415  		x := v_0
  5416  		if x.Op != OpRISCV64MOVHUload {
  5417  			break
  5418  		}
  5419  		off := auxIntToInt32(x.AuxInt)
  5420  		sym := auxToSym(x.Aux)
  5421  		mem := x.Args[1]
  5422  		ptr := x.Args[0]
  5423  		if !(x.Uses == 1 && clobber(x)) {
  5424  			break
  5425  		}
  5426  		b = x.Block
  5427  		v0 := b.NewValue0(x.Pos, OpRISCV64MOVHload, t)
  5428  		v.copyOf(v0)
  5429  		v0.AuxInt = int32ToAuxInt(off)
  5430  		v0.Aux = symToAux(sym)
  5431  		v0.AddArg2(ptr, mem)
  5432  		return true
  5433  	}
  5434  	return false
  5435  }
  5436  func rewriteValueRISCV64_OpRISCV64MOVHstore(v *Value) bool {
  5437  	v_2 := v.Args[2]
  5438  	v_1 := v.Args[1]
  5439  	v_0 := v.Args[0]
  5440  	b := v.Block
  5441  	config := b.Func.Config
  5442  	// match: (MOVHstore [off1] {sym1} (MOVaddr [off2] {sym2} base) val mem)
  5443  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  5444  	// result: (MOVHstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  5445  	for {
  5446  		off1 := auxIntToInt32(v.AuxInt)
  5447  		sym1 := auxToSym(v.Aux)
  5448  		if v_0.Op != OpRISCV64MOVaddr {
  5449  			break
  5450  		}
  5451  		off2 := auxIntToInt32(v_0.AuxInt)
  5452  		sym2 := auxToSym(v_0.Aux)
  5453  		base := v_0.Args[0]
  5454  		val := v_1
  5455  		mem := v_2
  5456  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5457  			break
  5458  		}
  5459  		v.reset(OpRISCV64MOVHstore)
  5460  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5461  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5462  		v.AddArg3(base, val, mem)
  5463  		return true
  5464  	}
  5465  	// match: (MOVHstore [off1] {sym} (ADDI [off2] base) val mem)
  5466  	// cond: is32Bit(int64(off1)+off2)
  5467  	// result: (MOVHstore [off1+int32(off2)] {sym} base val mem)
  5468  	for {
  5469  		off1 := auxIntToInt32(v.AuxInt)
  5470  		sym := auxToSym(v.Aux)
  5471  		if v_0.Op != OpRISCV64ADDI {
  5472  			break
  5473  		}
  5474  		off2 := auxIntToInt64(v_0.AuxInt)
  5475  		base := v_0.Args[0]
  5476  		val := v_1
  5477  		mem := v_2
  5478  		if !(is32Bit(int64(off1) + off2)) {
  5479  			break
  5480  		}
  5481  		v.reset(OpRISCV64MOVHstore)
  5482  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5483  		v.Aux = symToAux(sym)
  5484  		v.AddArg3(base, val, mem)
  5485  		return true
  5486  	}
  5487  	// match: (MOVHstore [off] {sym} ptr (MOVDconst [0]) mem)
  5488  	// result: (MOVHstorezero [off] {sym} ptr mem)
  5489  	for {
  5490  		off := auxIntToInt32(v.AuxInt)
  5491  		sym := auxToSym(v.Aux)
  5492  		ptr := v_0
  5493  		if v_1.Op != OpRISCV64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  5494  			break
  5495  		}
  5496  		mem := v_2
  5497  		v.reset(OpRISCV64MOVHstorezero)
  5498  		v.AuxInt = int32ToAuxInt(off)
  5499  		v.Aux = symToAux(sym)
  5500  		v.AddArg2(ptr, mem)
  5501  		return true
  5502  	}
  5503  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
  5504  	// result: (MOVHstore [off] {sym} ptr x mem)
  5505  	for {
  5506  		off := auxIntToInt32(v.AuxInt)
  5507  		sym := auxToSym(v.Aux)
  5508  		ptr := v_0
  5509  		if v_1.Op != OpRISCV64MOVHreg {
  5510  			break
  5511  		}
  5512  		x := v_1.Args[0]
  5513  		mem := v_2
  5514  		v.reset(OpRISCV64MOVHstore)
  5515  		v.AuxInt = int32ToAuxInt(off)
  5516  		v.Aux = symToAux(sym)
  5517  		v.AddArg3(ptr, x, mem)
  5518  		return true
  5519  	}
  5520  	// match: (MOVHstore [off] {sym} ptr (MOVWreg x) mem)
  5521  	// result: (MOVHstore [off] {sym} ptr x mem)
  5522  	for {
  5523  		off := auxIntToInt32(v.AuxInt)
  5524  		sym := auxToSym(v.Aux)
  5525  		ptr := v_0
  5526  		if v_1.Op != OpRISCV64MOVWreg {
  5527  			break
  5528  		}
  5529  		x := v_1.Args[0]
  5530  		mem := v_2
  5531  		v.reset(OpRISCV64MOVHstore)
  5532  		v.AuxInt = int32ToAuxInt(off)
  5533  		v.Aux = symToAux(sym)
  5534  		v.AddArg3(ptr, x, mem)
  5535  		return true
  5536  	}
  5537  	// match: (MOVHstore [off] {sym} ptr (MOVHUreg x) mem)
  5538  	// result: (MOVHstore [off] {sym} ptr x mem)
  5539  	for {
  5540  		off := auxIntToInt32(v.AuxInt)
  5541  		sym := auxToSym(v.Aux)
  5542  		ptr := v_0
  5543  		if v_1.Op != OpRISCV64MOVHUreg {
  5544  			break
  5545  		}
  5546  		x := v_1.Args[0]
  5547  		mem := v_2
  5548  		v.reset(OpRISCV64MOVHstore)
  5549  		v.AuxInt = int32ToAuxInt(off)
  5550  		v.Aux = symToAux(sym)
  5551  		v.AddArg3(ptr, x, mem)
  5552  		return true
  5553  	}
  5554  	// match: (MOVHstore [off] {sym} ptr (MOVWUreg x) mem)
  5555  	// result: (MOVHstore [off] {sym} ptr x mem)
  5556  	for {
  5557  		off := auxIntToInt32(v.AuxInt)
  5558  		sym := auxToSym(v.Aux)
  5559  		ptr := v_0
  5560  		if v_1.Op != OpRISCV64MOVWUreg {
  5561  			break
  5562  		}
  5563  		x := v_1.Args[0]
  5564  		mem := v_2
  5565  		v.reset(OpRISCV64MOVHstore)
  5566  		v.AuxInt = int32ToAuxInt(off)
  5567  		v.Aux = symToAux(sym)
  5568  		v.AddArg3(ptr, x, mem)
  5569  		return true
  5570  	}
  5571  	return false
  5572  }
  5573  func rewriteValueRISCV64_OpRISCV64MOVHstorezero(v *Value) bool {
  5574  	v_1 := v.Args[1]
  5575  	v_0 := v.Args[0]
  5576  	b := v.Block
  5577  	config := b.Func.Config
  5578  	// match: (MOVHstorezero [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  5579  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  5580  	// result: (MOVHstorezero [off1+off2] {mergeSym(sym1,sym2)} base mem)
  5581  	for {
  5582  		off1 := auxIntToInt32(v.AuxInt)
  5583  		sym1 := auxToSym(v.Aux)
  5584  		if v_0.Op != OpRISCV64MOVaddr {
  5585  			break
  5586  		}
  5587  		off2 := auxIntToInt32(v_0.AuxInt)
  5588  		sym2 := auxToSym(v_0.Aux)
  5589  		base := v_0.Args[0]
  5590  		mem := v_1
  5591  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5592  			break
  5593  		}
  5594  		v.reset(OpRISCV64MOVHstorezero)
  5595  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5596  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5597  		v.AddArg2(base, mem)
  5598  		return true
  5599  	}
  5600  	// match: (MOVHstorezero [off1] {sym} (ADDI [off2] base) mem)
  5601  	// cond: is32Bit(int64(off1)+off2)
  5602  	// result: (MOVHstorezero [off1+int32(off2)] {sym} base mem)
  5603  	for {
  5604  		off1 := auxIntToInt32(v.AuxInt)
  5605  		sym := auxToSym(v.Aux)
  5606  		if v_0.Op != OpRISCV64ADDI {
  5607  			break
  5608  		}
  5609  		off2 := auxIntToInt64(v_0.AuxInt)
  5610  		base := v_0.Args[0]
  5611  		mem := v_1
  5612  		if !(is32Bit(int64(off1) + off2)) {
  5613  			break
  5614  		}
  5615  		v.reset(OpRISCV64MOVHstorezero)
  5616  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5617  		v.Aux = symToAux(sym)
  5618  		v.AddArg2(base, mem)
  5619  		return true
  5620  	}
  5621  	return false
  5622  }
  5623  func rewriteValueRISCV64_OpRISCV64MOVWUload(v *Value) bool {
  5624  	v_1 := v.Args[1]
  5625  	v_0 := v.Args[0]
  5626  	b := v.Block
  5627  	config := b.Func.Config
  5628  	// match: (MOVWUload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  5629  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  5630  	// result: (MOVWUload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  5631  	for {
  5632  		off1 := auxIntToInt32(v.AuxInt)
  5633  		sym1 := auxToSym(v.Aux)
  5634  		if v_0.Op != OpRISCV64MOVaddr {
  5635  			break
  5636  		}
  5637  		off2 := auxIntToInt32(v_0.AuxInt)
  5638  		sym2 := auxToSym(v_0.Aux)
  5639  		base := v_0.Args[0]
  5640  		mem := v_1
  5641  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5642  			break
  5643  		}
  5644  		v.reset(OpRISCV64MOVWUload)
  5645  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5646  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5647  		v.AddArg2(base, mem)
  5648  		return true
  5649  	}
  5650  	// match: (MOVWUload [off1] {sym} (ADDI [off2] base) mem)
  5651  	// cond: is32Bit(int64(off1)+off2)
  5652  	// result: (MOVWUload [off1+int32(off2)] {sym} base mem)
  5653  	for {
  5654  		off1 := auxIntToInt32(v.AuxInt)
  5655  		sym := auxToSym(v.Aux)
  5656  		if v_0.Op != OpRISCV64ADDI {
  5657  			break
  5658  		}
  5659  		off2 := auxIntToInt64(v_0.AuxInt)
  5660  		base := v_0.Args[0]
  5661  		mem := v_1
  5662  		if !(is32Bit(int64(off1) + off2)) {
  5663  			break
  5664  		}
  5665  		v.reset(OpRISCV64MOVWUload)
  5666  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5667  		v.Aux = symToAux(sym)
  5668  		v.AddArg2(base, mem)
  5669  		return true
  5670  	}
  5671  	return false
  5672  }
  5673  func rewriteValueRISCV64_OpRISCV64MOVWUreg(v *Value) bool {
  5674  	v_0 := v.Args[0]
  5675  	b := v.Block
  5676  	typ := &b.Func.Config.Types
  5677  	// match: (MOVWUreg x:(ANDI [c] y))
  5678  	// cond: c >= 0 && int64(uint32(c)) == c
  5679  	// result: x
  5680  	for {
  5681  		x := v_0
  5682  		if x.Op != OpRISCV64ANDI {
  5683  			break
  5684  		}
  5685  		c := auxIntToInt64(x.AuxInt)
  5686  		if !(c >= 0 && int64(uint32(c)) == c) {
  5687  			break
  5688  		}
  5689  		v.copyOf(x)
  5690  		return true
  5691  	}
  5692  	// match: (MOVWUreg (ANDI [c] x))
  5693  	// cond: c < 0
  5694  	// result: (AND (MOVDconst [int64(uint32(c))]) x)
  5695  	for {
  5696  		if v_0.Op != OpRISCV64ANDI {
  5697  			break
  5698  		}
  5699  		c := auxIntToInt64(v_0.AuxInt)
  5700  		x := v_0.Args[0]
  5701  		if !(c < 0) {
  5702  			break
  5703  		}
  5704  		v.reset(OpRISCV64AND)
  5705  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  5706  		v0.AuxInt = int64ToAuxInt(int64(uint32(c)))
  5707  		v.AddArg2(v0, x)
  5708  		return true
  5709  	}
  5710  	// match: (MOVWUreg (MOVDconst [c]))
  5711  	// result: (MOVDconst [int64(uint32(c))])
  5712  	for {
  5713  		if v_0.Op != OpRISCV64MOVDconst {
  5714  			break
  5715  		}
  5716  		c := auxIntToInt64(v_0.AuxInt)
  5717  		v.reset(OpRISCV64MOVDconst)
  5718  		v.AuxInt = int64ToAuxInt(int64(uint32(c)))
  5719  		return true
  5720  	}
  5721  	// match: (MOVWUreg x:(MOVBUload _ _))
  5722  	// result: (MOVDreg x)
  5723  	for {
  5724  		x := v_0
  5725  		if x.Op != OpRISCV64MOVBUload {
  5726  			break
  5727  		}
  5728  		v.reset(OpRISCV64MOVDreg)
  5729  		v.AddArg(x)
  5730  		return true
  5731  	}
  5732  	// match: (MOVWUreg x:(MOVHUload _ _))
  5733  	// result: (MOVDreg x)
  5734  	for {
  5735  		x := v_0
  5736  		if x.Op != OpRISCV64MOVHUload {
  5737  			break
  5738  		}
  5739  		v.reset(OpRISCV64MOVDreg)
  5740  		v.AddArg(x)
  5741  		return true
  5742  	}
  5743  	// match: (MOVWUreg x:(MOVWUload _ _))
  5744  	// result: (MOVDreg x)
  5745  	for {
  5746  		x := v_0
  5747  		if x.Op != OpRISCV64MOVWUload {
  5748  			break
  5749  		}
  5750  		v.reset(OpRISCV64MOVDreg)
  5751  		v.AddArg(x)
  5752  		return true
  5753  	}
  5754  	// match: (MOVWUreg x:(MOVBUreg _))
  5755  	// result: (MOVDreg x)
  5756  	for {
  5757  		x := v_0
  5758  		if x.Op != OpRISCV64MOVBUreg {
  5759  			break
  5760  		}
  5761  		v.reset(OpRISCV64MOVDreg)
  5762  		v.AddArg(x)
  5763  		return true
  5764  	}
  5765  	// match: (MOVWUreg x:(MOVHUreg _))
  5766  	// result: (MOVDreg x)
  5767  	for {
  5768  		x := v_0
  5769  		if x.Op != OpRISCV64MOVHUreg {
  5770  			break
  5771  		}
  5772  		v.reset(OpRISCV64MOVDreg)
  5773  		v.AddArg(x)
  5774  		return true
  5775  	}
  5776  	// match: (MOVWUreg x:(MOVWUreg _))
  5777  	// result: (MOVDreg x)
  5778  	for {
  5779  		x := v_0
  5780  		if x.Op != OpRISCV64MOVWUreg {
  5781  			break
  5782  		}
  5783  		v.reset(OpRISCV64MOVDreg)
  5784  		v.AddArg(x)
  5785  		return true
  5786  	}
  5787  	// match: (MOVWUreg <t> x:(MOVWload [off] {sym} ptr mem))
  5788  	// cond: x.Uses == 1 && clobber(x)
  5789  	// result: @x.Block (MOVWUload <t> [off] {sym} ptr mem)
  5790  	for {
  5791  		t := v.Type
  5792  		x := v_0
  5793  		if x.Op != OpRISCV64MOVWload {
  5794  			break
  5795  		}
  5796  		off := auxIntToInt32(x.AuxInt)
  5797  		sym := auxToSym(x.Aux)
  5798  		mem := x.Args[1]
  5799  		ptr := x.Args[0]
  5800  		if !(x.Uses == 1 && clobber(x)) {
  5801  			break
  5802  		}
  5803  		b = x.Block
  5804  		v0 := b.NewValue0(x.Pos, OpRISCV64MOVWUload, t)
  5805  		v.copyOf(v0)
  5806  		v0.AuxInt = int32ToAuxInt(off)
  5807  		v0.Aux = symToAux(sym)
  5808  		v0.AddArg2(ptr, mem)
  5809  		return true
  5810  	}
  5811  	return false
  5812  }
  5813  func rewriteValueRISCV64_OpRISCV64MOVWload(v *Value) bool {
  5814  	v_1 := v.Args[1]
  5815  	v_0 := v.Args[0]
  5816  	b := v.Block
  5817  	config := b.Func.Config
  5818  	// match: (MOVWload [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  5819  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  5820  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  5821  	for {
  5822  		off1 := auxIntToInt32(v.AuxInt)
  5823  		sym1 := auxToSym(v.Aux)
  5824  		if v_0.Op != OpRISCV64MOVaddr {
  5825  			break
  5826  		}
  5827  		off2 := auxIntToInt32(v_0.AuxInt)
  5828  		sym2 := auxToSym(v_0.Aux)
  5829  		base := v_0.Args[0]
  5830  		mem := v_1
  5831  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5832  			break
  5833  		}
  5834  		v.reset(OpRISCV64MOVWload)
  5835  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5836  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5837  		v.AddArg2(base, mem)
  5838  		return true
  5839  	}
  5840  	// match: (MOVWload [off1] {sym} (ADDI [off2] base) mem)
  5841  	// cond: is32Bit(int64(off1)+off2)
  5842  	// result: (MOVWload [off1+int32(off2)] {sym} base mem)
  5843  	for {
  5844  		off1 := auxIntToInt32(v.AuxInt)
  5845  		sym := auxToSym(v.Aux)
  5846  		if v_0.Op != OpRISCV64ADDI {
  5847  			break
  5848  		}
  5849  		off2 := auxIntToInt64(v_0.AuxInt)
  5850  		base := v_0.Args[0]
  5851  		mem := v_1
  5852  		if !(is32Bit(int64(off1) + off2)) {
  5853  			break
  5854  		}
  5855  		v.reset(OpRISCV64MOVWload)
  5856  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5857  		v.Aux = symToAux(sym)
  5858  		v.AddArg2(base, mem)
  5859  		return true
  5860  	}
  5861  	return false
  5862  }
  5863  func rewriteValueRISCV64_OpRISCV64MOVWreg(v *Value) bool {
  5864  	v_0 := v.Args[0]
  5865  	b := v.Block
  5866  	// match: (MOVWreg x:(ANDI [c] y))
  5867  	// cond: c >= 0 && int64(int32(c)) == c
  5868  	// result: x
  5869  	for {
  5870  		x := v_0
  5871  		if x.Op != OpRISCV64ANDI {
  5872  			break
  5873  		}
  5874  		c := auxIntToInt64(x.AuxInt)
  5875  		if !(c >= 0 && int64(int32(c)) == c) {
  5876  			break
  5877  		}
  5878  		v.copyOf(x)
  5879  		return true
  5880  	}
  5881  	// match: (MOVWreg (NEG x))
  5882  	// result: (NEGW x)
  5883  	for {
  5884  		if v_0.Op != OpRISCV64NEG {
  5885  			break
  5886  		}
  5887  		x := v_0.Args[0]
  5888  		v.reset(OpRISCV64NEGW)
  5889  		v.AddArg(x)
  5890  		return true
  5891  	}
  5892  	// match: (MOVWreg (MOVDconst [c]))
  5893  	// result: (MOVDconst [int64(int32(c))])
  5894  	for {
  5895  		if v_0.Op != OpRISCV64MOVDconst {
  5896  			break
  5897  		}
  5898  		c := auxIntToInt64(v_0.AuxInt)
  5899  		v.reset(OpRISCV64MOVDconst)
  5900  		v.AuxInt = int64ToAuxInt(int64(int32(c)))
  5901  		return true
  5902  	}
  5903  	// match: (MOVWreg x:(MOVBload _ _))
  5904  	// result: (MOVDreg x)
  5905  	for {
  5906  		x := v_0
  5907  		if x.Op != OpRISCV64MOVBload {
  5908  			break
  5909  		}
  5910  		v.reset(OpRISCV64MOVDreg)
  5911  		v.AddArg(x)
  5912  		return true
  5913  	}
  5914  	// match: (MOVWreg x:(MOVBUload _ _))
  5915  	// result: (MOVDreg x)
  5916  	for {
  5917  		x := v_0
  5918  		if x.Op != OpRISCV64MOVBUload {
  5919  			break
  5920  		}
  5921  		v.reset(OpRISCV64MOVDreg)
  5922  		v.AddArg(x)
  5923  		return true
  5924  	}
  5925  	// match: (MOVWreg x:(MOVHload _ _))
  5926  	// result: (MOVDreg x)
  5927  	for {
  5928  		x := v_0
  5929  		if x.Op != OpRISCV64MOVHload {
  5930  			break
  5931  		}
  5932  		v.reset(OpRISCV64MOVDreg)
  5933  		v.AddArg(x)
  5934  		return true
  5935  	}
  5936  	// match: (MOVWreg x:(MOVHUload _ _))
  5937  	// result: (MOVDreg x)
  5938  	for {
  5939  		x := v_0
  5940  		if x.Op != OpRISCV64MOVHUload {
  5941  			break
  5942  		}
  5943  		v.reset(OpRISCV64MOVDreg)
  5944  		v.AddArg(x)
  5945  		return true
  5946  	}
  5947  	// match: (MOVWreg x:(MOVWload _ _))
  5948  	// result: (MOVDreg x)
  5949  	for {
  5950  		x := v_0
  5951  		if x.Op != OpRISCV64MOVWload {
  5952  			break
  5953  		}
  5954  		v.reset(OpRISCV64MOVDreg)
  5955  		v.AddArg(x)
  5956  		return true
  5957  	}
  5958  	// match: (MOVWreg x:(ADDIW _))
  5959  	// result: (MOVDreg x)
  5960  	for {
  5961  		x := v_0
  5962  		if x.Op != OpRISCV64ADDIW {
  5963  			break
  5964  		}
  5965  		v.reset(OpRISCV64MOVDreg)
  5966  		v.AddArg(x)
  5967  		return true
  5968  	}
  5969  	// match: (MOVWreg x:(SUBW _ _))
  5970  	// result: (MOVDreg x)
  5971  	for {
  5972  		x := v_0
  5973  		if x.Op != OpRISCV64SUBW {
  5974  			break
  5975  		}
  5976  		v.reset(OpRISCV64MOVDreg)
  5977  		v.AddArg(x)
  5978  		return true
  5979  	}
  5980  	// match: (MOVWreg x:(NEGW _))
  5981  	// result: (MOVDreg x)
  5982  	for {
  5983  		x := v_0
  5984  		if x.Op != OpRISCV64NEGW {
  5985  			break
  5986  		}
  5987  		v.reset(OpRISCV64MOVDreg)
  5988  		v.AddArg(x)
  5989  		return true
  5990  	}
  5991  	// match: (MOVWreg x:(MULW _ _))
  5992  	// result: (MOVDreg x)
  5993  	for {
  5994  		x := v_0
  5995  		if x.Op != OpRISCV64MULW {
  5996  			break
  5997  		}
  5998  		v.reset(OpRISCV64MOVDreg)
  5999  		v.AddArg(x)
  6000  		return true
  6001  	}
  6002  	// match: (MOVWreg x:(DIVW _ _))
  6003  	// result: (MOVDreg x)
  6004  	for {
  6005  		x := v_0
  6006  		if x.Op != OpRISCV64DIVW {
  6007  			break
  6008  		}
  6009  		v.reset(OpRISCV64MOVDreg)
  6010  		v.AddArg(x)
  6011  		return true
  6012  	}
  6013  	// match: (MOVWreg x:(DIVUW _ _))
  6014  	// result: (MOVDreg x)
  6015  	for {
  6016  		x := v_0
  6017  		if x.Op != OpRISCV64DIVUW {
  6018  			break
  6019  		}
  6020  		v.reset(OpRISCV64MOVDreg)
  6021  		v.AddArg(x)
  6022  		return true
  6023  	}
  6024  	// match: (MOVWreg x:(REMW _ _))
  6025  	// result: (MOVDreg x)
  6026  	for {
  6027  		x := v_0
  6028  		if x.Op != OpRISCV64REMW {
  6029  			break
  6030  		}
  6031  		v.reset(OpRISCV64MOVDreg)
  6032  		v.AddArg(x)
  6033  		return true
  6034  	}
  6035  	// match: (MOVWreg x:(REMUW _ _))
  6036  	// result: (MOVDreg x)
  6037  	for {
  6038  		x := v_0
  6039  		if x.Op != OpRISCV64REMUW {
  6040  			break
  6041  		}
  6042  		v.reset(OpRISCV64MOVDreg)
  6043  		v.AddArg(x)
  6044  		return true
  6045  	}
  6046  	// match: (MOVWreg x:(ROLW _ _))
  6047  	// result: (MOVDreg x)
  6048  	for {
  6049  		x := v_0
  6050  		if x.Op != OpRISCV64ROLW {
  6051  			break
  6052  		}
  6053  		v.reset(OpRISCV64MOVDreg)
  6054  		v.AddArg(x)
  6055  		return true
  6056  	}
  6057  	// match: (MOVWreg x:(RORW _ _))
  6058  	// result: (MOVDreg x)
  6059  	for {
  6060  		x := v_0
  6061  		if x.Op != OpRISCV64RORW {
  6062  			break
  6063  		}
  6064  		v.reset(OpRISCV64MOVDreg)
  6065  		v.AddArg(x)
  6066  		return true
  6067  	}
  6068  	// match: (MOVWreg x:(RORIW _))
  6069  	// result: (MOVDreg x)
  6070  	for {
  6071  		x := v_0
  6072  		if x.Op != OpRISCV64RORIW {
  6073  			break
  6074  		}
  6075  		v.reset(OpRISCV64MOVDreg)
  6076  		v.AddArg(x)
  6077  		return true
  6078  	}
  6079  	// match: (MOVWreg x:(MOVBreg _))
  6080  	// result: (MOVDreg x)
  6081  	for {
  6082  		x := v_0
  6083  		if x.Op != OpRISCV64MOVBreg {
  6084  			break
  6085  		}
  6086  		v.reset(OpRISCV64MOVDreg)
  6087  		v.AddArg(x)
  6088  		return true
  6089  	}
  6090  	// match: (MOVWreg x:(MOVBUreg _))
  6091  	// result: (MOVDreg x)
  6092  	for {
  6093  		x := v_0
  6094  		if x.Op != OpRISCV64MOVBUreg {
  6095  			break
  6096  		}
  6097  		v.reset(OpRISCV64MOVDreg)
  6098  		v.AddArg(x)
  6099  		return true
  6100  	}
  6101  	// match: (MOVWreg x:(MOVHreg _))
  6102  	// result: (MOVDreg x)
  6103  	for {
  6104  		x := v_0
  6105  		if x.Op != OpRISCV64MOVHreg {
  6106  			break
  6107  		}
  6108  		v.reset(OpRISCV64MOVDreg)
  6109  		v.AddArg(x)
  6110  		return true
  6111  	}
  6112  	// match: (MOVWreg x:(MOVWreg _))
  6113  	// result: (MOVDreg x)
  6114  	for {
  6115  		x := v_0
  6116  		if x.Op != OpRISCV64MOVWreg {
  6117  			break
  6118  		}
  6119  		v.reset(OpRISCV64MOVDreg)
  6120  		v.AddArg(x)
  6121  		return true
  6122  	}
  6123  	// match: (MOVWreg <t> x:(MOVWUload [off] {sym} ptr mem))
  6124  	// cond: x.Uses == 1 && clobber(x)
  6125  	// result: @x.Block (MOVWload <t> [off] {sym} ptr mem)
  6126  	for {
  6127  		t := v.Type
  6128  		x := v_0
  6129  		if x.Op != OpRISCV64MOVWUload {
  6130  			break
  6131  		}
  6132  		off := auxIntToInt32(x.AuxInt)
  6133  		sym := auxToSym(x.Aux)
  6134  		mem := x.Args[1]
  6135  		ptr := x.Args[0]
  6136  		if !(x.Uses == 1 && clobber(x)) {
  6137  			break
  6138  		}
  6139  		b = x.Block
  6140  		v0 := b.NewValue0(x.Pos, OpRISCV64MOVWload, t)
  6141  		v.copyOf(v0)
  6142  		v0.AuxInt = int32ToAuxInt(off)
  6143  		v0.Aux = symToAux(sym)
  6144  		v0.AddArg2(ptr, mem)
  6145  		return true
  6146  	}
  6147  	return false
  6148  }
  6149  func rewriteValueRISCV64_OpRISCV64MOVWstore(v *Value) bool {
  6150  	v_2 := v.Args[2]
  6151  	v_1 := v.Args[1]
  6152  	v_0 := v.Args[0]
  6153  	b := v.Block
  6154  	config := b.Func.Config
  6155  	// match: (MOVWstore [off1] {sym1} (MOVaddr [off2] {sym2} base) val mem)
  6156  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  6157  	// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  6158  	for {
  6159  		off1 := auxIntToInt32(v.AuxInt)
  6160  		sym1 := auxToSym(v.Aux)
  6161  		if v_0.Op != OpRISCV64MOVaddr {
  6162  			break
  6163  		}
  6164  		off2 := auxIntToInt32(v_0.AuxInt)
  6165  		sym2 := auxToSym(v_0.Aux)
  6166  		base := v_0.Args[0]
  6167  		val := v_1
  6168  		mem := v_2
  6169  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6170  			break
  6171  		}
  6172  		v.reset(OpRISCV64MOVWstore)
  6173  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6174  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6175  		v.AddArg3(base, val, mem)
  6176  		return true
  6177  	}
  6178  	// match: (MOVWstore [off1] {sym} (ADDI [off2] base) val mem)
  6179  	// cond: is32Bit(int64(off1)+off2)
  6180  	// result: (MOVWstore [off1+int32(off2)] {sym} base val mem)
  6181  	for {
  6182  		off1 := auxIntToInt32(v.AuxInt)
  6183  		sym := auxToSym(v.Aux)
  6184  		if v_0.Op != OpRISCV64ADDI {
  6185  			break
  6186  		}
  6187  		off2 := auxIntToInt64(v_0.AuxInt)
  6188  		base := v_0.Args[0]
  6189  		val := v_1
  6190  		mem := v_2
  6191  		if !(is32Bit(int64(off1) + off2)) {
  6192  			break
  6193  		}
  6194  		v.reset(OpRISCV64MOVWstore)
  6195  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6196  		v.Aux = symToAux(sym)
  6197  		v.AddArg3(base, val, mem)
  6198  		return true
  6199  	}
  6200  	// match: (MOVWstore [off] {sym} ptr (MOVDconst [0]) mem)
  6201  	// result: (MOVWstorezero [off] {sym} ptr mem)
  6202  	for {
  6203  		off := auxIntToInt32(v.AuxInt)
  6204  		sym := auxToSym(v.Aux)
  6205  		ptr := v_0
  6206  		if v_1.Op != OpRISCV64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  6207  			break
  6208  		}
  6209  		mem := v_2
  6210  		v.reset(OpRISCV64MOVWstorezero)
  6211  		v.AuxInt = int32ToAuxInt(off)
  6212  		v.Aux = symToAux(sym)
  6213  		v.AddArg2(ptr, mem)
  6214  		return true
  6215  	}
  6216  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
  6217  	// result: (MOVWstore [off] {sym} ptr x mem)
  6218  	for {
  6219  		off := auxIntToInt32(v.AuxInt)
  6220  		sym := auxToSym(v.Aux)
  6221  		ptr := v_0
  6222  		if v_1.Op != OpRISCV64MOVWreg {
  6223  			break
  6224  		}
  6225  		x := v_1.Args[0]
  6226  		mem := v_2
  6227  		v.reset(OpRISCV64MOVWstore)
  6228  		v.AuxInt = int32ToAuxInt(off)
  6229  		v.Aux = symToAux(sym)
  6230  		v.AddArg3(ptr, x, mem)
  6231  		return true
  6232  	}
  6233  	// match: (MOVWstore [off] {sym} ptr (MOVWUreg x) mem)
  6234  	// result: (MOVWstore [off] {sym} ptr x mem)
  6235  	for {
  6236  		off := auxIntToInt32(v.AuxInt)
  6237  		sym := auxToSym(v.Aux)
  6238  		ptr := v_0
  6239  		if v_1.Op != OpRISCV64MOVWUreg {
  6240  			break
  6241  		}
  6242  		x := v_1.Args[0]
  6243  		mem := v_2
  6244  		v.reset(OpRISCV64MOVWstore)
  6245  		v.AuxInt = int32ToAuxInt(off)
  6246  		v.Aux = symToAux(sym)
  6247  		v.AddArg3(ptr, x, mem)
  6248  		return true
  6249  	}
  6250  	return false
  6251  }
  6252  func rewriteValueRISCV64_OpRISCV64MOVWstorezero(v *Value) bool {
  6253  	v_1 := v.Args[1]
  6254  	v_0 := v.Args[0]
  6255  	b := v.Block
  6256  	config := b.Func.Config
  6257  	// match: (MOVWstorezero [off1] {sym1} (MOVaddr [off2] {sym2} base) mem)
  6258  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)
  6259  	// result: (MOVWstorezero [off1+off2] {mergeSym(sym1,sym2)} base mem)
  6260  	for {
  6261  		off1 := auxIntToInt32(v.AuxInt)
  6262  		sym1 := auxToSym(v.Aux)
  6263  		if v_0.Op != OpRISCV64MOVaddr {
  6264  			break
  6265  		}
  6266  		off2 := auxIntToInt32(v_0.AuxInt)
  6267  		sym2 := auxToSym(v_0.Aux)
  6268  		base := v_0.Args[0]
  6269  		mem := v_1
  6270  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (base.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6271  			break
  6272  		}
  6273  		v.reset(OpRISCV64MOVWstorezero)
  6274  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6275  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6276  		v.AddArg2(base, mem)
  6277  		return true
  6278  	}
  6279  	// match: (MOVWstorezero [off1] {sym} (ADDI [off2] base) mem)
  6280  	// cond: is32Bit(int64(off1)+off2)
  6281  	// result: (MOVWstorezero [off1+int32(off2)] {sym} base mem)
  6282  	for {
  6283  		off1 := auxIntToInt32(v.AuxInt)
  6284  		sym := auxToSym(v.Aux)
  6285  		if v_0.Op != OpRISCV64ADDI {
  6286  			break
  6287  		}
  6288  		off2 := auxIntToInt64(v_0.AuxInt)
  6289  		base := v_0.Args[0]
  6290  		mem := v_1
  6291  		if !(is32Bit(int64(off1) + off2)) {
  6292  			break
  6293  		}
  6294  		v.reset(OpRISCV64MOVWstorezero)
  6295  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6296  		v.Aux = symToAux(sym)
  6297  		v.AddArg2(base, mem)
  6298  		return true
  6299  	}
  6300  	return false
  6301  }
  6302  func rewriteValueRISCV64_OpRISCV64NEG(v *Value) bool {
  6303  	v_0 := v.Args[0]
  6304  	b := v.Block
  6305  	// match: (NEG (SUB x y))
  6306  	// result: (SUB y x)
  6307  	for {
  6308  		if v_0.Op != OpRISCV64SUB {
  6309  			break
  6310  		}
  6311  		y := v_0.Args[1]
  6312  		x := v_0.Args[0]
  6313  		v.reset(OpRISCV64SUB)
  6314  		v.AddArg2(y, x)
  6315  		return true
  6316  	}
  6317  	// match: (NEG <t> s:(ADDI [val] (SUB x y)))
  6318  	// cond: s.Uses == 1 && is32Bit(-val)
  6319  	// result: (ADDI [-val] (SUB <t> y x))
  6320  	for {
  6321  		t := v.Type
  6322  		s := v_0
  6323  		if s.Op != OpRISCV64ADDI {
  6324  			break
  6325  		}
  6326  		val := auxIntToInt64(s.AuxInt)
  6327  		s_0 := s.Args[0]
  6328  		if s_0.Op != OpRISCV64SUB {
  6329  			break
  6330  		}
  6331  		y := s_0.Args[1]
  6332  		x := s_0.Args[0]
  6333  		if !(s.Uses == 1 && is32Bit(-val)) {
  6334  			break
  6335  		}
  6336  		v.reset(OpRISCV64ADDI)
  6337  		v.AuxInt = int64ToAuxInt(-val)
  6338  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, t)
  6339  		v0.AddArg2(y, x)
  6340  		v.AddArg(v0)
  6341  		return true
  6342  	}
  6343  	// match: (NEG (NEG x))
  6344  	// result: x
  6345  	for {
  6346  		if v_0.Op != OpRISCV64NEG {
  6347  			break
  6348  		}
  6349  		x := v_0.Args[0]
  6350  		v.copyOf(x)
  6351  		return true
  6352  	}
  6353  	// match: (NEG <t> s:(ADDI [val] (NEG x)))
  6354  	// cond: s.Uses == 1 && is32Bit(-val)
  6355  	// result: (ADDI [-val] x)
  6356  	for {
  6357  		s := v_0
  6358  		if s.Op != OpRISCV64ADDI {
  6359  			break
  6360  		}
  6361  		val := auxIntToInt64(s.AuxInt)
  6362  		s_0 := s.Args[0]
  6363  		if s_0.Op != OpRISCV64NEG {
  6364  			break
  6365  		}
  6366  		x := s_0.Args[0]
  6367  		if !(s.Uses == 1 && is32Bit(-val)) {
  6368  			break
  6369  		}
  6370  		v.reset(OpRISCV64ADDI)
  6371  		v.AuxInt = int64ToAuxInt(-val)
  6372  		v.AddArg(x)
  6373  		return true
  6374  	}
  6375  	// match: (NEG (MOVDconst [x]))
  6376  	// result: (MOVDconst [-x])
  6377  	for {
  6378  		if v_0.Op != OpRISCV64MOVDconst {
  6379  			break
  6380  		}
  6381  		x := auxIntToInt64(v_0.AuxInt)
  6382  		v.reset(OpRISCV64MOVDconst)
  6383  		v.AuxInt = int64ToAuxInt(-x)
  6384  		return true
  6385  	}
  6386  	return false
  6387  }
  6388  func rewriteValueRISCV64_OpRISCV64NEGW(v *Value) bool {
  6389  	v_0 := v.Args[0]
  6390  	// match: (NEGW (MOVDconst [x]))
  6391  	// result: (MOVDconst [int64(int32(-x))])
  6392  	for {
  6393  		if v_0.Op != OpRISCV64MOVDconst {
  6394  			break
  6395  		}
  6396  		x := auxIntToInt64(v_0.AuxInt)
  6397  		v.reset(OpRISCV64MOVDconst)
  6398  		v.AuxInt = int64ToAuxInt(int64(int32(-x)))
  6399  		return true
  6400  	}
  6401  	return false
  6402  }
  6403  func rewriteValueRISCV64_OpRISCV64OR(v *Value) bool {
  6404  	v_1 := v.Args[1]
  6405  	v_0 := v.Args[0]
  6406  	// match: (OR (MOVDconst [val]) x)
  6407  	// cond: is32Bit(val)
  6408  	// result: (ORI [val] x)
  6409  	for {
  6410  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  6411  			if v_0.Op != OpRISCV64MOVDconst {
  6412  				continue
  6413  			}
  6414  			val := auxIntToInt64(v_0.AuxInt)
  6415  			x := v_1
  6416  			if !(is32Bit(val)) {
  6417  				continue
  6418  			}
  6419  			v.reset(OpRISCV64ORI)
  6420  			v.AuxInt = int64ToAuxInt(val)
  6421  			v.AddArg(x)
  6422  			return true
  6423  		}
  6424  		break
  6425  	}
  6426  	// match: (OR x x)
  6427  	// result: x
  6428  	for {
  6429  		x := v_0
  6430  		if x != v_1 {
  6431  			break
  6432  		}
  6433  		v.copyOf(x)
  6434  		return true
  6435  	}
  6436  	return false
  6437  }
  6438  func rewriteValueRISCV64_OpRISCV64ORI(v *Value) bool {
  6439  	v_0 := v.Args[0]
  6440  	// match: (ORI [0] x)
  6441  	// result: x
  6442  	for {
  6443  		if auxIntToInt64(v.AuxInt) != 0 {
  6444  			break
  6445  		}
  6446  		x := v_0
  6447  		v.copyOf(x)
  6448  		return true
  6449  	}
  6450  	// match: (ORI [-1] x)
  6451  	// result: (MOVDconst [-1])
  6452  	for {
  6453  		if auxIntToInt64(v.AuxInt) != -1 {
  6454  			break
  6455  		}
  6456  		v.reset(OpRISCV64MOVDconst)
  6457  		v.AuxInt = int64ToAuxInt(-1)
  6458  		return true
  6459  	}
  6460  	// match: (ORI [x] (MOVDconst [y]))
  6461  	// result: (MOVDconst [x | y])
  6462  	for {
  6463  		x := auxIntToInt64(v.AuxInt)
  6464  		if v_0.Op != OpRISCV64MOVDconst {
  6465  			break
  6466  		}
  6467  		y := auxIntToInt64(v_0.AuxInt)
  6468  		v.reset(OpRISCV64MOVDconst)
  6469  		v.AuxInt = int64ToAuxInt(x | y)
  6470  		return true
  6471  	}
  6472  	// match: (ORI [x] (ORI [y] z))
  6473  	// result: (ORI [x | y] z)
  6474  	for {
  6475  		x := auxIntToInt64(v.AuxInt)
  6476  		if v_0.Op != OpRISCV64ORI {
  6477  			break
  6478  		}
  6479  		y := auxIntToInt64(v_0.AuxInt)
  6480  		z := v_0.Args[0]
  6481  		v.reset(OpRISCV64ORI)
  6482  		v.AuxInt = int64ToAuxInt(x | y)
  6483  		v.AddArg(z)
  6484  		return true
  6485  	}
  6486  	return false
  6487  }
  6488  func rewriteValueRISCV64_OpRISCV64ORN(v *Value) bool {
  6489  	v_1 := v.Args[1]
  6490  	v_0 := v.Args[0]
  6491  	// match: (ORN x x)
  6492  	// result: (MOVDconst [-1])
  6493  	for {
  6494  		x := v_0
  6495  		if x != v_1 {
  6496  			break
  6497  		}
  6498  		v.reset(OpRISCV64MOVDconst)
  6499  		v.AuxInt = int64ToAuxInt(-1)
  6500  		return true
  6501  	}
  6502  	return false
  6503  }
  6504  func rewriteValueRISCV64_OpRISCV64ROL(v *Value) bool {
  6505  	v_1 := v.Args[1]
  6506  	v_0 := v.Args[0]
  6507  	// match: (ROL x (MOVDconst [val]))
  6508  	// result: (RORI [int64(int8(-val)&63)] x)
  6509  	for {
  6510  		x := v_0
  6511  		if v_1.Op != OpRISCV64MOVDconst {
  6512  			break
  6513  		}
  6514  		val := auxIntToInt64(v_1.AuxInt)
  6515  		v.reset(OpRISCV64RORI)
  6516  		v.AuxInt = int64ToAuxInt(int64(int8(-val) & 63))
  6517  		v.AddArg(x)
  6518  		return true
  6519  	}
  6520  	// match: (ROL x (NEG y))
  6521  	// result: (ROR x y)
  6522  	for {
  6523  		x := v_0
  6524  		if v_1.Op != OpRISCV64NEG {
  6525  			break
  6526  		}
  6527  		y := v_1.Args[0]
  6528  		v.reset(OpRISCV64ROR)
  6529  		v.AddArg2(x, y)
  6530  		return true
  6531  	}
  6532  	return false
  6533  }
  6534  func rewriteValueRISCV64_OpRISCV64ROLW(v *Value) bool {
  6535  	v_1 := v.Args[1]
  6536  	v_0 := v.Args[0]
  6537  	// match: (ROLW x (MOVDconst [val]))
  6538  	// result: (RORIW [int64(int8(-val)&31)] x)
  6539  	for {
  6540  		x := v_0
  6541  		if v_1.Op != OpRISCV64MOVDconst {
  6542  			break
  6543  		}
  6544  		val := auxIntToInt64(v_1.AuxInt)
  6545  		v.reset(OpRISCV64RORIW)
  6546  		v.AuxInt = int64ToAuxInt(int64(int8(-val) & 31))
  6547  		v.AddArg(x)
  6548  		return true
  6549  	}
  6550  	// match: (ROLW x (NEG y))
  6551  	// result: (RORW x y)
  6552  	for {
  6553  		x := v_0
  6554  		if v_1.Op != OpRISCV64NEG {
  6555  			break
  6556  		}
  6557  		y := v_1.Args[0]
  6558  		v.reset(OpRISCV64RORW)
  6559  		v.AddArg2(x, y)
  6560  		return true
  6561  	}
  6562  	return false
  6563  }
  6564  func rewriteValueRISCV64_OpRISCV64ROR(v *Value) bool {
  6565  	v_1 := v.Args[1]
  6566  	v_0 := v.Args[0]
  6567  	// match: (ROR x (MOVDconst [val]))
  6568  	// result: (RORI [int64(val&63)] x)
  6569  	for {
  6570  		x := v_0
  6571  		if v_1.Op != OpRISCV64MOVDconst {
  6572  			break
  6573  		}
  6574  		val := auxIntToInt64(v_1.AuxInt)
  6575  		v.reset(OpRISCV64RORI)
  6576  		v.AuxInt = int64ToAuxInt(int64(val & 63))
  6577  		v.AddArg(x)
  6578  		return true
  6579  	}
  6580  	return false
  6581  }
  6582  func rewriteValueRISCV64_OpRISCV64RORW(v *Value) bool {
  6583  	v_1 := v.Args[1]
  6584  	v_0 := v.Args[0]
  6585  	// match: (RORW x (MOVDconst [val]))
  6586  	// result: (RORIW [int64(val&31)] x)
  6587  	for {
  6588  		x := v_0
  6589  		if v_1.Op != OpRISCV64MOVDconst {
  6590  			break
  6591  		}
  6592  		val := auxIntToInt64(v_1.AuxInt)
  6593  		v.reset(OpRISCV64RORIW)
  6594  		v.AuxInt = int64ToAuxInt(int64(val & 31))
  6595  		v.AddArg(x)
  6596  		return true
  6597  	}
  6598  	return false
  6599  }
  6600  func rewriteValueRISCV64_OpRISCV64SEQZ(v *Value) bool {
  6601  	v_0 := v.Args[0]
  6602  	// match: (SEQZ (NEG x))
  6603  	// result: (SEQZ x)
  6604  	for {
  6605  		if v_0.Op != OpRISCV64NEG {
  6606  			break
  6607  		}
  6608  		x := v_0.Args[0]
  6609  		v.reset(OpRISCV64SEQZ)
  6610  		v.AddArg(x)
  6611  		return true
  6612  	}
  6613  	// match: (SEQZ (SEQZ x))
  6614  	// result: (SNEZ x)
  6615  	for {
  6616  		if v_0.Op != OpRISCV64SEQZ {
  6617  			break
  6618  		}
  6619  		x := v_0.Args[0]
  6620  		v.reset(OpRISCV64SNEZ)
  6621  		v.AddArg(x)
  6622  		return true
  6623  	}
  6624  	// match: (SEQZ (SNEZ x))
  6625  	// result: (SEQZ x)
  6626  	for {
  6627  		if v_0.Op != OpRISCV64SNEZ {
  6628  			break
  6629  		}
  6630  		x := v_0.Args[0]
  6631  		v.reset(OpRISCV64SEQZ)
  6632  		v.AddArg(x)
  6633  		return true
  6634  	}
  6635  	return false
  6636  }
  6637  func rewriteValueRISCV64_OpRISCV64SLL(v *Value) bool {
  6638  	v_1 := v.Args[1]
  6639  	v_0 := v.Args[0]
  6640  	// match: (SLL x (MOVDconst [val]))
  6641  	// result: (SLLI [int64(val&63)] x)
  6642  	for {
  6643  		x := v_0
  6644  		if v_1.Op != OpRISCV64MOVDconst {
  6645  			break
  6646  		}
  6647  		val := auxIntToInt64(v_1.AuxInt)
  6648  		v.reset(OpRISCV64SLLI)
  6649  		v.AuxInt = int64ToAuxInt(int64(val & 63))
  6650  		v.AddArg(x)
  6651  		return true
  6652  	}
  6653  	return false
  6654  }
  6655  func rewriteValueRISCV64_OpRISCV64SLLI(v *Value) bool {
  6656  	v_0 := v.Args[0]
  6657  	// match: (SLLI [x] (MOVDconst [y]))
  6658  	// cond: is32Bit(y << uint32(x))
  6659  	// result: (MOVDconst [y << uint32(x)])
  6660  	for {
  6661  		x := auxIntToInt64(v.AuxInt)
  6662  		if v_0.Op != OpRISCV64MOVDconst {
  6663  			break
  6664  		}
  6665  		y := auxIntToInt64(v_0.AuxInt)
  6666  		if !(is32Bit(y << uint32(x))) {
  6667  			break
  6668  		}
  6669  		v.reset(OpRISCV64MOVDconst)
  6670  		v.AuxInt = int64ToAuxInt(y << uint32(x))
  6671  		return true
  6672  	}
  6673  	return false
  6674  }
  6675  func rewriteValueRISCV64_OpRISCV64SLLW(v *Value) bool {
  6676  	v_1 := v.Args[1]
  6677  	v_0 := v.Args[0]
  6678  	// match: (SLLW x (MOVDconst [val]))
  6679  	// result: (SLLIW [int64(val&31)] x)
  6680  	for {
  6681  		x := v_0
  6682  		if v_1.Op != OpRISCV64MOVDconst {
  6683  			break
  6684  		}
  6685  		val := auxIntToInt64(v_1.AuxInt)
  6686  		v.reset(OpRISCV64SLLIW)
  6687  		v.AuxInt = int64ToAuxInt(int64(val & 31))
  6688  		v.AddArg(x)
  6689  		return true
  6690  	}
  6691  	return false
  6692  }
  6693  func rewriteValueRISCV64_OpRISCV64SLT(v *Value) bool {
  6694  	v_1 := v.Args[1]
  6695  	v_0 := v.Args[0]
  6696  	// match: (SLT x (MOVDconst [val]))
  6697  	// cond: val >= -2048 && val <= 2047
  6698  	// result: (SLTI [val] x)
  6699  	for {
  6700  		x := v_0
  6701  		if v_1.Op != OpRISCV64MOVDconst {
  6702  			break
  6703  		}
  6704  		val := auxIntToInt64(v_1.AuxInt)
  6705  		if !(val >= -2048 && val <= 2047) {
  6706  			break
  6707  		}
  6708  		v.reset(OpRISCV64SLTI)
  6709  		v.AuxInt = int64ToAuxInt(val)
  6710  		v.AddArg(x)
  6711  		return true
  6712  	}
  6713  	// match: (SLT x x)
  6714  	// result: (MOVDconst [0])
  6715  	for {
  6716  		x := v_0
  6717  		if x != v_1 {
  6718  			break
  6719  		}
  6720  		v.reset(OpRISCV64MOVDconst)
  6721  		v.AuxInt = int64ToAuxInt(0)
  6722  		return true
  6723  	}
  6724  	return false
  6725  }
  6726  func rewriteValueRISCV64_OpRISCV64SLTI(v *Value) bool {
  6727  	v_0 := v.Args[0]
  6728  	// match: (SLTI [x] (MOVDconst [y]))
  6729  	// result: (MOVDconst [b2i(int64(y) < int64(x))])
  6730  	for {
  6731  		x := auxIntToInt64(v.AuxInt)
  6732  		if v_0.Op != OpRISCV64MOVDconst {
  6733  			break
  6734  		}
  6735  		y := auxIntToInt64(v_0.AuxInt)
  6736  		v.reset(OpRISCV64MOVDconst)
  6737  		v.AuxInt = int64ToAuxInt(b2i(int64(y) < int64(x)))
  6738  		return true
  6739  	}
  6740  	// match: (SLTI [x] (ANDI [y] _))
  6741  	// cond: y >= 0 && int64(y) < int64(x)
  6742  	// result: (MOVDconst [1])
  6743  	for {
  6744  		x := auxIntToInt64(v.AuxInt)
  6745  		if v_0.Op != OpRISCV64ANDI {
  6746  			break
  6747  		}
  6748  		y := auxIntToInt64(v_0.AuxInt)
  6749  		if !(y >= 0 && int64(y) < int64(x)) {
  6750  			break
  6751  		}
  6752  		v.reset(OpRISCV64MOVDconst)
  6753  		v.AuxInt = int64ToAuxInt(1)
  6754  		return true
  6755  	}
  6756  	// match: (SLTI [x] (ORI [y] _))
  6757  	// cond: y >= 0 && int64(y) >= int64(x)
  6758  	// result: (MOVDconst [0])
  6759  	for {
  6760  		x := auxIntToInt64(v.AuxInt)
  6761  		if v_0.Op != OpRISCV64ORI {
  6762  			break
  6763  		}
  6764  		y := auxIntToInt64(v_0.AuxInt)
  6765  		if !(y >= 0 && int64(y) >= int64(x)) {
  6766  			break
  6767  		}
  6768  		v.reset(OpRISCV64MOVDconst)
  6769  		v.AuxInt = int64ToAuxInt(0)
  6770  		return true
  6771  	}
  6772  	return false
  6773  }
  6774  func rewriteValueRISCV64_OpRISCV64SLTIU(v *Value) bool {
  6775  	v_0 := v.Args[0]
  6776  	// match: (SLTIU [x] (MOVDconst [y]))
  6777  	// result: (MOVDconst [b2i(uint64(y) < uint64(x))])
  6778  	for {
  6779  		x := auxIntToInt64(v.AuxInt)
  6780  		if v_0.Op != OpRISCV64MOVDconst {
  6781  			break
  6782  		}
  6783  		y := auxIntToInt64(v_0.AuxInt)
  6784  		v.reset(OpRISCV64MOVDconst)
  6785  		v.AuxInt = int64ToAuxInt(b2i(uint64(y) < uint64(x)))
  6786  		return true
  6787  	}
  6788  	// match: (SLTIU [x] (ANDI [y] _))
  6789  	// cond: y >= 0 && uint64(y) < uint64(x)
  6790  	// result: (MOVDconst [1])
  6791  	for {
  6792  		x := auxIntToInt64(v.AuxInt)
  6793  		if v_0.Op != OpRISCV64ANDI {
  6794  			break
  6795  		}
  6796  		y := auxIntToInt64(v_0.AuxInt)
  6797  		if !(y >= 0 && uint64(y) < uint64(x)) {
  6798  			break
  6799  		}
  6800  		v.reset(OpRISCV64MOVDconst)
  6801  		v.AuxInt = int64ToAuxInt(1)
  6802  		return true
  6803  	}
  6804  	// match: (SLTIU [x] (ORI [y] _))
  6805  	// cond: y >= 0 && uint64(y) >= uint64(x)
  6806  	// result: (MOVDconst [0])
  6807  	for {
  6808  		x := auxIntToInt64(v.AuxInt)
  6809  		if v_0.Op != OpRISCV64ORI {
  6810  			break
  6811  		}
  6812  		y := auxIntToInt64(v_0.AuxInt)
  6813  		if !(y >= 0 && uint64(y) >= uint64(x)) {
  6814  			break
  6815  		}
  6816  		v.reset(OpRISCV64MOVDconst)
  6817  		v.AuxInt = int64ToAuxInt(0)
  6818  		return true
  6819  	}
  6820  	return false
  6821  }
  6822  func rewriteValueRISCV64_OpRISCV64SLTU(v *Value) bool {
  6823  	v_1 := v.Args[1]
  6824  	v_0 := v.Args[0]
  6825  	// match: (SLTU x (MOVDconst [val]))
  6826  	// cond: val >= -2048 && val <= 2047
  6827  	// result: (SLTIU [val] x)
  6828  	for {
  6829  		x := v_0
  6830  		if v_1.Op != OpRISCV64MOVDconst {
  6831  			break
  6832  		}
  6833  		val := auxIntToInt64(v_1.AuxInt)
  6834  		if !(val >= -2048 && val <= 2047) {
  6835  			break
  6836  		}
  6837  		v.reset(OpRISCV64SLTIU)
  6838  		v.AuxInt = int64ToAuxInt(val)
  6839  		v.AddArg(x)
  6840  		return true
  6841  	}
  6842  	// match: (SLTU x x)
  6843  	// result: (MOVDconst [0])
  6844  	for {
  6845  		x := v_0
  6846  		if x != v_1 {
  6847  			break
  6848  		}
  6849  		v.reset(OpRISCV64MOVDconst)
  6850  		v.AuxInt = int64ToAuxInt(0)
  6851  		return true
  6852  	}
  6853  	return false
  6854  }
  6855  func rewriteValueRISCV64_OpRISCV64SNEZ(v *Value) bool {
  6856  	v_0 := v.Args[0]
  6857  	// match: (SNEZ (NEG x))
  6858  	// result: (SNEZ x)
  6859  	for {
  6860  		if v_0.Op != OpRISCV64NEG {
  6861  			break
  6862  		}
  6863  		x := v_0.Args[0]
  6864  		v.reset(OpRISCV64SNEZ)
  6865  		v.AddArg(x)
  6866  		return true
  6867  	}
  6868  	// match: (SNEZ (SEQZ x))
  6869  	// result: (SEQZ x)
  6870  	for {
  6871  		if v_0.Op != OpRISCV64SEQZ {
  6872  			break
  6873  		}
  6874  		x := v_0.Args[0]
  6875  		v.reset(OpRISCV64SEQZ)
  6876  		v.AddArg(x)
  6877  		return true
  6878  	}
  6879  	// match: (SNEZ (SNEZ x))
  6880  	// result: (SNEZ x)
  6881  	for {
  6882  		if v_0.Op != OpRISCV64SNEZ {
  6883  			break
  6884  		}
  6885  		x := v_0.Args[0]
  6886  		v.reset(OpRISCV64SNEZ)
  6887  		v.AddArg(x)
  6888  		return true
  6889  	}
  6890  	return false
  6891  }
  6892  func rewriteValueRISCV64_OpRISCV64SRA(v *Value) bool {
  6893  	v_1 := v.Args[1]
  6894  	v_0 := v.Args[0]
  6895  	// match: (SRA x (MOVDconst [val]))
  6896  	// result: (SRAI [int64(val&63)] x)
  6897  	for {
  6898  		x := v_0
  6899  		if v_1.Op != OpRISCV64MOVDconst {
  6900  			break
  6901  		}
  6902  		val := auxIntToInt64(v_1.AuxInt)
  6903  		v.reset(OpRISCV64SRAI)
  6904  		v.AuxInt = int64ToAuxInt(int64(val & 63))
  6905  		v.AddArg(x)
  6906  		return true
  6907  	}
  6908  	return false
  6909  }
  6910  func rewriteValueRISCV64_OpRISCV64SRAI(v *Value) bool {
  6911  	v_0 := v.Args[0]
  6912  	b := v.Block
  6913  	// match: (SRAI <t> [x] (MOVWreg y))
  6914  	// cond: x >= 0 && x <= 31
  6915  	// result: (SRAIW <t> [int64(x)] y)
  6916  	for {
  6917  		t := v.Type
  6918  		x := auxIntToInt64(v.AuxInt)
  6919  		if v_0.Op != OpRISCV64MOVWreg {
  6920  			break
  6921  		}
  6922  		y := v_0.Args[0]
  6923  		if !(x >= 0 && x <= 31) {
  6924  			break
  6925  		}
  6926  		v.reset(OpRISCV64SRAIW)
  6927  		v.Type = t
  6928  		v.AuxInt = int64ToAuxInt(int64(x))
  6929  		v.AddArg(y)
  6930  		return true
  6931  	}
  6932  	// match: (SRAI <t> [x] (MOVBreg y))
  6933  	// cond: x >= 8
  6934  	// result: (SRAI [63] (SLLI <t> [56] y))
  6935  	for {
  6936  		t := v.Type
  6937  		x := auxIntToInt64(v.AuxInt)
  6938  		if v_0.Op != OpRISCV64MOVBreg {
  6939  			break
  6940  		}
  6941  		y := v_0.Args[0]
  6942  		if !(x >= 8) {
  6943  			break
  6944  		}
  6945  		v.reset(OpRISCV64SRAI)
  6946  		v.AuxInt = int64ToAuxInt(63)
  6947  		v0 := b.NewValue0(v.Pos, OpRISCV64SLLI, t)
  6948  		v0.AuxInt = int64ToAuxInt(56)
  6949  		v0.AddArg(y)
  6950  		v.AddArg(v0)
  6951  		return true
  6952  	}
  6953  	// match: (SRAI <t> [x] (MOVHreg y))
  6954  	// cond: x >= 16
  6955  	// result: (SRAI [63] (SLLI <t> [48] y))
  6956  	for {
  6957  		t := v.Type
  6958  		x := auxIntToInt64(v.AuxInt)
  6959  		if v_0.Op != OpRISCV64MOVHreg {
  6960  			break
  6961  		}
  6962  		y := v_0.Args[0]
  6963  		if !(x >= 16) {
  6964  			break
  6965  		}
  6966  		v.reset(OpRISCV64SRAI)
  6967  		v.AuxInt = int64ToAuxInt(63)
  6968  		v0 := b.NewValue0(v.Pos, OpRISCV64SLLI, t)
  6969  		v0.AuxInt = int64ToAuxInt(48)
  6970  		v0.AddArg(y)
  6971  		v.AddArg(v0)
  6972  		return true
  6973  	}
  6974  	// match: (SRAI <t> [x] (MOVWreg y))
  6975  	// cond: x >= 32
  6976  	// result: (SRAIW [31] y)
  6977  	for {
  6978  		x := auxIntToInt64(v.AuxInt)
  6979  		if v_0.Op != OpRISCV64MOVWreg {
  6980  			break
  6981  		}
  6982  		y := v_0.Args[0]
  6983  		if !(x >= 32) {
  6984  			break
  6985  		}
  6986  		v.reset(OpRISCV64SRAIW)
  6987  		v.AuxInt = int64ToAuxInt(31)
  6988  		v.AddArg(y)
  6989  		return true
  6990  	}
  6991  	// match: (SRAI [x] (MOVDconst [y]))
  6992  	// result: (MOVDconst [int64(y) >> uint32(x)])
  6993  	for {
  6994  		x := auxIntToInt64(v.AuxInt)
  6995  		if v_0.Op != OpRISCV64MOVDconst {
  6996  			break
  6997  		}
  6998  		y := auxIntToInt64(v_0.AuxInt)
  6999  		v.reset(OpRISCV64MOVDconst)
  7000  		v.AuxInt = int64ToAuxInt(int64(y) >> uint32(x))
  7001  		return true
  7002  	}
  7003  	return false
  7004  }
  7005  func rewriteValueRISCV64_OpRISCV64SRAW(v *Value) bool {
  7006  	v_1 := v.Args[1]
  7007  	v_0 := v.Args[0]
  7008  	// match: (SRAW x (MOVDconst [val]))
  7009  	// result: (SRAIW [int64(val&31)] x)
  7010  	for {
  7011  		x := v_0
  7012  		if v_1.Op != OpRISCV64MOVDconst {
  7013  			break
  7014  		}
  7015  		val := auxIntToInt64(v_1.AuxInt)
  7016  		v.reset(OpRISCV64SRAIW)
  7017  		v.AuxInt = int64ToAuxInt(int64(val & 31))
  7018  		v.AddArg(x)
  7019  		return true
  7020  	}
  7021  	return false
  7022  }
  7023  func rewriteValueRISCV64_OpRISCV64SRL(v *Value) bool {
  7024  	v_1 := v.Args[1]
  7025  	v_0 := v.Args[0]
  7026  	// match: (SRL x (MOVDconst [val]))
  7027  	// result: (SRLI [int64(val&63)] x)
  7028  	for {
  7029  		x := v_0
  7030  		if v_1.Op != OpRISCV64MOVDconst {
  7031  			break
  7032  		}
  7033  		val := auxIntToInt64(v_1.AuxInt)
  7034  		v.reset(OpRISCV64SRLI)
  7035  		v.AuxInt = int64ToAuxInt(int64(val & 63))
  7036  		v.AddArg(x)
  7037  		return true
  7038  	}
  7039  	return false
  7040  }
  7041  func rewriteValueRISCV64_OpRISCV64SRLI(v *Value) bool {
  7042  	v_0 := v.Args[0]
  7043  	// match: (SRLI <t> [x] (MOVWUreg y))
  7044  	// cond: x >= 0 && x <= 31
  7045  	// result: (SRLIW <t> [int64(x)] y)
  7046  	for {
  7047  		t := v.Type
  7048  		x := auxIntToInt64(v.AuxInt)
  7049  		if v_0.Op != OpRISCV64MOVWUreg {
  7050  			break
  7051  		}
  7052  		y := v_0.Args[0]
  7053  		if !(x >= 0 && x <= 31) {
  7054  			break
  7055  		}
  7056  		v.reset(OpRISCV64SRLIW)
  7057  		v.Type = t
  7058  		v.AuxInt = int64ToAuxInt(int64(x))
  7059  		v.AddArg(y)
  7060  		return true
  7061  	}
  7062  	// match: (SRLI <t> [x] (MOVBUreg y))
  7063  	// cond: x >= 8
  7064  	// result: (MOVDconst <t> [0])
  7065  	for {
  7066  		t := v.Type
  7067  		x := auxIntToInt64(v.AuxInt)
  7068  		if v_0.Op != OpRISCV64MOVBUreg {
  7069  			break
  7070  		}
  7071  		if !(x >= 8) {
  7072  			break
  7073  		}
  7074  		v.reset(OpRISCV64MOVDconst)
  7075  		v.Type = t
  7076  		v.AuxInt = int64ToAuxInt(0)
  7077  		return true
  7078  	}
  7079  	// match: (SRLI <t> [x] (MOVHUreg y))
  7080  	// cond: x >= 16
  7081  	// result: (MOVDconst <t> [0])
  7082  	for {
  7083  		t := v.Type
  7084  		x := auxIntToInt64(v.AuxInt)
  7085  		if v_0.Op != OpRISCV64MOVHUreg {
  7086  			break
  7087  		}
  7088  		if !(x >= 16) {
  7089  			break
  7090  		}
  7091  		v.reset(OpRISCV64MOVDconst)
  7092  		v.Type = t
  7093  		v.AuxInt = int64ToAuxInt(0)
  7094  		return true
  7095  	}
  7096  	// match: (SRLI <t> [x] (MOVWUreg y))
  7097  	// cond: x >= 32
  7098  	// result: (MOVDconst <t> [0])
  7099  	for {
  7100  		t := v.Type
  7101  		x := auxIntToInt64(v.AuxInt)
  7102  		if v_0.Op != OpRISCV64MOVWUreg {
  7103  			break
  7104  		}
  7105  		if !(x >= 32) {
  7106  			break
  7107  		}
  7108  		v.reset(OpRISCV64MOVDconst)
  7109  		v.Type = t
  7110  		v.AuxInt = int64ToAuxInt(0)
  7111  		return true
  7112  	}
  7113  	// match: (SRLI [x] (MOVDconst [y]))
  7114  	// result: (MOVDconst [int64(uint64(y) >> uint32(x))])
  7115  	for {
  7116  		x := auxIntToInt64(v.AuxInt)
  7117  		if v_0.Op != OpRISCV64MOVDconst {
  7118  			break
  7119  		}
  7120  		y := auxIntToInt64(v_0.AuxInt)
  7121  		v.reset(OpRISCV64MOVDconst)
  7122  		v.AuxInt = int64ToAuxInt(int64(uint64(y) >> uint32(x)))
  7123  		return true
  7124  	}
  7125  	return false
  7126  }
  7127  func rewriteValueRISCV64_OpRISCV64SRLW(v *Value) bool {
  7128  	v_1 := v.Args[1]
  7129  	v_0 := v.Args[0]
  7130  	// match: (SRLW x (MOVDconst [val]))
  7131  	// result: (SRLIW [int64(val&31)] x)
  7132  	for {
  7133  		x := v_0
  7134  		if v_1.Op != OpRISCV64MOVDconst {
  7135  			break
  7136  		}
  7137  		val := auxIntToInt64(v_1.AuxInt)
  7138  		v.reset(OpRISCV64SRLIW)
  7139  		v.AuxInt = int64ToAuxInt(int64(val & 31))
  7140  		v.AddArg(x)
  7141  		return true
  7142  	}
  7143  	return false
  7144  }
  7145  func rewriteValueRISCV64_OpRISCV64SUB(v *Value) bool {
  7146  	v_1 := v.Args[1]
  7147  	v_0 := v.Args[0]
  7148  	b := v.Block
  7149  	// match: (SUB x (NEG y))
  7150  	// result: (ADD x y)
  7151  	for {
  7152  		x := v_0
  7153  		if v_1.Op != OpRISCV64NEG {
  7154  			break
  7155  		}
  7156  		y := v_1.Args[0]
  7157  		v.reset(OpRISCV64ADD)
  7158  		v.AddArg2(x, y)
  7159  		return true
  7160  	}
  7161  	// match: (SUB x x)
  7162  	// result: (MOVDconst [0])
  7163  	for {
  7164  		x := v_0
  7165  		if x != v_1 {
  7166  			break
  7167  		}
  7168  		v.reset(OpRISCV64MOVDconst)
  7169  		v.AuxInt = int64ToAuxInt(0)
  7170  		return true
  7171  	}
  7172  	// match: (SUB x (MOVDconst [val]))
  7173  	// cond: is32Bit(-val)
  7174  	// result: (ADDI [-val] x)
  7175  	for {
  7176  		x := v_0
  7177  		if v_1.Op != OpRISCV64MOVDconst {
  7178  			break
  7179  		}
  7180  		val := auxIntToInt64(v_1.AuxInt)
  7181  		if !(is32Bit(-val)) {
  7182  			break
  7183  		}
  7184  		v.reset(OpRISCV64ADDI)
  7185  		v.AuxInt = int64ToAuxInt(-val)
  7186  		v.AddArg(x)
  7187  		return true
  7188  	}
  7189  	// match: (SUB <t> (MOVDconst [val]) y)
  7190  	// cond: is32Bit(-val)
  7191  	// result: (NEG (ADDI <t> [-val] y))
  7192  	for {
  7193  		t := v.Type
  7194  		if v_0.Op != OpRISCV64MOVDconst {
  7195  			break
  7196  		}
  7197  		val := auxIntToInt64(v_0.AuxInt)
  7198  		y := v_1
  7199  		if !(is32Bit(-val)) {
  7200  			break
  7201  		}
  7202  		v.reset(OpRISCV64NEG)
  7203  		v0 := b.NewValue0(v.Pos, OpRISCV64ADDI, t)
  7204  		v0.AuxInt = int64ToAuxInt(-val)
  7205  		v0.AddArg(y)
  7206  		v.AddArg(v0)
  7207  		return true
  7208  	}
  7209  	// match: (SUB x (MOVDconst [0]))
  7210  	// result: x
  7211  	for {
  7212  		x := v_0
  7213  		if v_1.Op != OpRISCV64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  7214  			break
  7215  		}
  7216  		v.copyOf(x)
  7217  		return true
  7218  	}
  7219  	// match: (SUB (MOVDconst [0]) x)
  7220  	// result: (NEG x)
  7221  	for {
  7222  		if v_0.Op != OpRISCV64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7223  			break
  7224  		}
  7225  		x := v_1
  7226  		v.reset(OpRISCV64NEG)
  7227  		v.AddArg(x)
  7228  		return true
  7229  	}
  7230  	return false
  7231  }
  7232  func rewriteValueRISCV64_OpRISCV64SUBW(v *Value) bool {
  7233  	v_1 := v.Args[1]
  7234  	v_0 := v.Args[0]
  7235  	// match: (SUBW x (MOVDconst [0]))
  7236  	// result: (ADDIW [0] x)
  7237  	for {
  7238  		x := v_0
  7239  		if v_1.Op != OpRISCV64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  7240  			break
  7241  		}
  7242  		v.reset(OpRISCV64ADDIW)
  7243  		v.AuxInt = int64ToAuxInt(0)
  7244  		v.AddArg(x)
  7245  		return true
  7246  	}
  7247  	// match: (SUBW (MOVDconst [0]) x)
  7248  	// result: (NEGW x)
  7249  	for {
  7250  		if v_0.Op != OpRISCV64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 {
  7251  			break
  7252  		}
  7253  		x := v_1
  7254  		v.reset(OpRISCV64NEGW)
  7255  		v.AddArg(x)
  7256  		return true
  7257  	}
  7258  	return false
  7259  }
  7260  func rewriteValueRISCV64_OpRISCV64XOR(v *Value) bool {
  7261  	v_1 := v.Args[1]
  7262  	v_0 := v.Args[0]
  7263  	// match: (XOR (MOVDconst [val]) x)
  7264  	// cond: is32Bit(val)
  7265  	// result: (XORI [val] x)
  7266  	for {
  7267  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7268  			if v_0.Op != OpRISCV64MOVDconst {
  7269  				continue
  7270  			}
  7271  			val := auxIntToInt64(v_0.AuxInt)
  7272  			x := v_1
  7273  			if !(is32Bit(val)) {
  7274  				continue
  7275  			}
  7276  			v.reset(OpRISCV64XORI)
  7277  			v.AuxInt = int64ToAuxInt(val)
  7278  			v.AddArg(x)
  7279  			return true
  7280  		}
  7281  		break
  7282  	}
  7283  	// match: (XOR x x)
  7284  	// result: (MOVDconst [0])
  7285  	for {
  7286  		x := v_0
  7287  		if x != v_1 {
  7288  			break
  7289  		}
  7290  		v.reset(OpRISCV64MOVDconst)
  7291  		v.AuxInt = int64ToAuxInt(0)
  7292  		return true
  7293  	}
  7294  	return false
  7295  }
  7296  func rewriteValueRISCV64_OpRotateLeft16(v *Value) bool {
  7297  	v_1 := v.Args[1]
  7298  	v_0 := v.Args[0]
  7299  	b := v.Block
  7300  	typ := &b.Func.Config.Types
  7301  	// match: (RotateLeft16 <t> x y)
  7302  	// result: (OR (SLL <t> x (ANDI [15] <y.Type> y)) (SRL <t> (ZeroExt16to64 x) (ANDI [15] <y.Type> (NEG <y.Type> y))))
  7303  	for {
  7304  		t := v.Type
  7305  		x := v_0
  7306  		y := v_1
  7307  		v.reset(OpRISCV64OR)
  7308  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  7309  		v1 := b.NewValue0(v.Pos, OpRISCV64ANDI, y.Type)
  7310  		v1.AuxInt = int64ToAuxInt(15)
  7311  		v1.AddArg(y)
  7312  		v0.AddArg2(x, v1)
  7313  		v2 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7314  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7315  		v3.AddArg(x)
  7316  		v4 := b.NewValue0(v.Pos, OpRISCV64ANDI, y.Type)
  7317  		v4.AuxInt = int64ToAuxInt(15)
  7318  		v5 := b.NewValue0(v.Pos, OpRISCV64NEG, y.Type)
  7319  		v5.AddArg(y)
  7320  		v4.AddArg(v5)
  7321  		v2.AddArg2(v3, v4)
  7322  		v.AddArg2(v0, v2)
  7323  		return true
  7324  	}
  7325  }
  7326  func rewriteValueRISCV64_OpRotateLeft8(v *Value) bool {
  7327  	v_1 := v.Args[1]
  7328  	v_0 := v.Args[0]
  7329  	b := v.Block
  7330  	typ := &b.Func.Config.Types
  7331  	// match: (RotateLeft8 <t> x y)
  7332  	// result: (OR (SLL <t> x (ANDI [7] <y.Type> y)) (SRL <t> (ZeroExt8to64 x) (ANDI [7] <y.Type> (NEG <y.Type> y))))
  7333  	for {
  7334  		t := v.Type
  7335  		x := v_0
  7336  		y := v_1
  7337  		v.reset(OpRISCV64OR)
  7338  		v0 := b.NewValue0(v.Pos, OpRISCV64SLL, t)
  7339  		v1 := b.NewValue0(v.Pos, OpRISCV64ANDI, y.Type)
  7340  		v1.AuxInt = int64ToAuxInt(7)
  7341  		v1.AddArg(y)
  7342  		v0.AddArg2(x, v1)
  7343  		v2 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7344  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7345  		v3.AddArg(x)
  7346  		v4 := b.NewValue0(v.Pos, OpRISCV64ANDI, y.Type)
  7347  		v4.AuxInt = int64ToAuxInt(7)
  7348  		v5 := b.NewValue0(v.Pos, OpRISCV64NEG, y.Type)
  7349  		v5.AddArg(y)
  7350  		v4.AddArg(v5)
  7351  		v2.AddArg2(v3, v4)
  7352  		v.AddArg2(v0, v2)
  7353  		return true
  7354  	}
  7355  }
  7356  func rewriteValueRISCV64_OpRsh16Ux16(v *Value) bool {
  7357  	v_1 := v.Args[1]
  7358  	v_0 := v.Args[0]
  7359  	b := v.Block
  7360  	typ := &b.Func.Config.Types
  7361  	// match: (Rsh16Ux16 <t> x y)
  7362  	// cond: !shiftIsBounded(v)
  7363  	// result: (AND (SRL <t> (ZeroExt16to64 x) y) (Neg16 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  7364  	for {
  7365  		t := v.Type
  7366  		x := v_0
  7367  		y := v_1
  7368  		if !(!shiftIsBounded(v)) {
  7369  			break
  7370  		}
  7371  		v.reset(OpRISCV64AND)
  7372  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7373  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7374  		v1.AddArg(x)
  7375  		v0.AddArg2(v1, y)
  7376  		v2 := b.NewValue0(v.Pos, OpNeg16, t)
  7377  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7378  		v3.AuxInt = int64ToAuxInt(64)
  7379  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7380  		v4.AddArg(y)
  7381  		v3.AddArg(v4)
  7382  		v2.AddArg(v3)
  7383  		v.AddArg2(v0, v2)
  7384  		return true
  7385  	}
  7386  	// match: (Rsh16Ux16 x y)
  7387  	// cond: shiftIsBounded(v)
  7388  	// result: (SRL (ZeroExt16to64 x) y)
  7389  	for {
  7390  		x := v_0
  7391  		y := v_1
  7392  		if !(shiftIsBounded(v)) {
  7393  			break
  7394  		}
  7395  		v.reset(OpRISCV64SRL)
  7396  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7397  		v0.AddArg(x)
  7398  		v.AddArg2(v0, y)
  7399  		return true
  7400  	}
  7401  	return false
  7402  }
  7403  func rewriteValueRISCV64_OpRsh16Ux32(v *Value) bool {
  7404  	v_1 := v.Args[1]
  7405  	v_0 := v.Args[0]
  7406  	b := v.Block
  7407  	typ := &b.Func.Config.Types
  7408  	// match: (Rsh16Ux32 <t> x y)
  7409  	// cond: !shiftIsBounded(v)
  7410  	// result: (AND (SRL <t> (ZeroExt16to64 x) y) (Neg16 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  7411  	for {
  7412  		t := v.Type
  7413  		x := v_0
  7414  		y := v_1
  7415  		if !(!shiftIsBounded(v)) {
  7416  			break
  7417  		}
  7418  		v.reset(OpRISCV64AND)
  7419  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7420  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7421  		v1.AddArg(x)
  7422  		v0.AddArg2(v1, y)
  7423  		v2 := b.NewValue0(v.Pos, OpNeg16, t)
  7424  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7425  		v3.AuxInt = int64ToAuxInt(64)
  7426  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  7427  		v4.AddArg(y)
  7428  		v3.AddArg(v4)
  7429  		v2.AddArg(v3)
  7430  		v.AddArg2(v0, v2)
  7431  		return true
  7432  	}
  7433  	// match: (Rsh16Ux32 x y)
  7434  	// cond: shiftIsBounded(v)
  7435  	// result: (SRL (ZeroExt16to64 x) y)
  7436  	for {
  7437  		x := v_0
  7438  		y := v_1
  7439  		if !(shiftIsBounded(v)) {
  7440  			break
  7441  		}
  7442  		v.reset(OpRISCV64SRL)
  7443  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7444  		v0.AddArg(x)
  7445  		v.AddArg2(v0, y)
  7446  		return true
  7447  	}
  7448  	return false
  7449  }
  7450  func rewriteValueRISCV64_OpRsh16Ux64(v *Value) bool {
  7451  	v_1 := v.Args[1]
  7452  	v_0 := v.Args[0]
  7453  	b := v.Block
  7454  	typ := &b.Func.Config.Types
  7455  	// match: (Rsh16Ux64 <t> x y)
  7456  	// cond: !shiftIsBounded(v)
  7457  	// result: (AND (SRL <t> (ZeroExt16to64 x) y) (Neg16 <t> (SLTIU <t> [64] y)))
  7458  	for {
  7459  		t := v.Type
  7460  		x := v_0
  7461  		y := v_1
  7462  		if !(!shiftIsBounded(v)) {
  7463  			break
  7464  		}
  7465  		v.reset(OpRISCV64AND)
  7466  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7467  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7468  		v1.AddArg(x)
  7469  		v0.AddArg2(v1, y)
  7470  		v2 := b.NewValue0(v.Pos, OpNeg16, t)
  7471  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7472  		v3.AuxInt = int64ToAuxInt(64)
  7473  		v3.AddArg(y)
  7474  		v2.AddArg(v3)
  7475  		v.AddArg2(v0, v2)
  7476  		return true
  7477  	}
  7478  	// match: (Rsh16Ux64 x y)
  7479  	// cond: shiftIsBounded(v)
  7480  	// result: (SRL (ZeroExt16to64 x) y)
  7481  	for {
  7482  		x := v_0
  7483  		y := v_1
  7484  		if !(shiftIsBounded(v)) {
  7485  			break
  7486  		}
  7487  		v.reset(OpRISCV64SRL)
  7488  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7489  		v0.AddArg(x)
  7490  		v.AddArg2(v0, y)
  7491  		return true
  7492  	}
  7493  	return false
  7494  }
  7495  func rewriteValueRISCV64_OpRsh16Ux8(v *Value) bool {
  7496  	v_1 := v.Args[1]
  7497  	v_0 := v.Args[0]
  7498  	b := v.Block
  7499  	typ := &b.Func.Config.Types
  7500  	// match: (Rsh16Ux8 <t> x y)
  7501  	// cond: !shiftIsBounded(v)
  7502  	// result: (AND (SRL <t> (ZeroExt16to64 x) y) (Neg16 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  7503  	for {
  7504  		t := v.Type
  7505  		x := v_0
  7506  		y := v_1
  7507  		if !(!shiftIsBounded(v)) {
  7508  			break
  7509  		}
  7510  		v.reset(OpRISCV64AND)
  7511  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  7512  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7513  		v1.AddArg(x)
  7514  		v0.AddArg2(v1, y)
  7515  		v2 := b.NewValue0(v.Pos, OpNeg16, t)
  7516  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7517  		v3.AuxInt = int64ToAuxInt(64)
  7518  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7519  		v4.AddArg(y)
  7520  		v3.AddArg(v4)
  7521  		v2.AddArg(v3)
  7522  		v.AddArg2(v0, v2)
  7523  		return true
  7524  	}
  7525  	// match: (Rsh16Ux8 x y)
  7526  	// cond: shiftIsBounded(v)
  7527  	// result: (SRL (ZeroExt16to64 x) y)
  7528  	for {
  7529  		x := v_0
  7530  		y := v_1
  7531  		if !(shiftIsBounded(v)) {
  7532  			break
  7533  		}
  7534  		v.reset(OpRISCV64SRL)
  7535  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7536  		v0.AddArg(x)
  7537  		v.AddArg2(v0, y)
  7538  		return true
  7539  	}
  7540  	return false
  7541  }
  7542  func rewriteValueRISCV64_OpRsh16x16(v *Value) bool {
  7543  	v_1 := v.Args[1]
  7544  	v_0 := v.Args[0]
  7545  	b := v.Block
  7546  	typ := &b.Func.Config.Types
  7547  	// match: (Rsh16x16 <t> x y)
  7548  	// cond: !shiftIsBounded(v)
  7549  	// result: (SRA <t> (SignExt16to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt16to64 y)))))
  7550  	for {
  7551  		t := v.Type
  7552  		x := v_0
  7553  		y := v_1
  7554  		if !(!shiftIsBounded(v)) {
  7555  			break
  7556  		}
  7557  		v.reset(OpRISCV64SRA)
  7558  		v.Type = t
  7559  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  7560  		v0.AddArg(x)
  7561  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7562  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7563  		v2.AuxInt = int64ToAuxInt(-1)
  7564  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7565  		v3.AuxInt = int64ToAuxInt(64)
  7566  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7567  		v4.AddArg(y)
  7568  		v3.AddArg(v4)
  7569  		v2.AddArg(v3)
  7570  		v1.AddArg2(y, v2)
  7571  		v.AddArg2(v0, v1)
  7572  		return true
  7573  	}
  7574  	// match: (Rsh16x16 x y)
  7575  	// cond: shiftIsBounded(v)
  7576  	// result: (SRA (SignExt16to64 x) y)
  7577  	for {
  7578  		x := v_0
  7579  		y := v_1
  7580  		if !(shiftIsBounded(v)) {
  7581  			break
  7582  		}
  7583  		v.reset(OpRISCV64SRA)
  7584  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  7585  		v0.AddArg(x)
  7586  		v.AddArg2(v0, y)
  7587  		return true
  7588  	}
  7589  	return false
  7590  }
  7591  func rewriteValueRISCV64_OpRsh16x32(v *Value) bool {
  7592  	v_1 := v.Args[1]
  7593  	v_0 := v.Args[0]
  7594  	b := v.Block
  7595  	typ := &b.Func.Config.Types
  7596  	// match: (Rsh16x32 <t> x y)
  7597  	// cond: !shiftIsBounded(v)
  7598  	// result: (SRA <t> (SignExt16to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt32to64 y)))))
  7599  	for {
  7600  		t := v.Type
  7601  		x := v_0
  7602  		y := v_1
  7603  		if !(!shiftIsBounded(v)) {
  7604  			break
  7605  		}
  7606  		v.reset(OpRISCV64SRA)
  7607  		v.Type = t
  7608  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  7609  		v0.AddArg(x)
  7610  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7611  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7612  		v2.AuxInt = int64ToAuxInt(-1)
  7613  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7614  		v3.AuxInt = int64ToAuxInt(64)
  7615  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  7616  		v4.AddArg(y)
  7617  		v3.AddArg(v4)
  7618  		v2.AddArg(v3)
  7619  		v1.AddArg2(y, v2)
  7620  		v.AddArg2(v0, v1)
  7621  		return true
  7622  	}
  7623  	// match: (Rsh16x32 x y)
  7624  	// cond: shiftIsBounded(v)
  7625  	// result: (SRA (SignExt16to64 x) y)
  7626  	for {
  7627  		x := v_0
  7628  		y := v_1
  7629  		if !(shiftIsBounded(v)) {
  7630  			break
  7631  		}
  7632  		v.reset(OpRISCV64SRA)
  7633  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  7634  		v0.AddArg(x)
  7635  		v.AddArg2(v0, y)
  7636  		return true
  7637  	}
  7638  	return false
  7639  }
  7640  func rewriteValueRISCV64_OpRsh16x64(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: (Rsh16x64 <t> x y)
  7646  	// cond: !shiftIsBounded(v)
  7647  	// result: (SRA <t> (SignExt16to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] 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, OpSignExt16to64, typ.Int64)
  7658  		v0.AddArg(x)
  7659  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7660  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7661  		v2.AuxInt = int64ToAuxInt(-1)
  7662  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7663  		v3.AuxInt = int64ToAuxInt(64)
  7664  		v3.AddArg(y)
  7665  		v2.AddArg(v3)
  7666  		v1.AddArg2(y, v2)
  7667  		v.AddArg2(v0, v1)
  7668  		return true
  7669  	}
  7670  	// match: (Rsh16x64 x y)
  7671  	// cond: shiftIsBounded(v)
  7672  	// result: (SRA (SignExt16to64 x) y)
  7673  	for {
  7674  		x := v_0
  7675  		y := v_1
  7676  		if !(shiftIsBounded(v)) {
  7677  			break
  7678  		}
  7679  		v.reset(OpRISCV64SRA)
  7680  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  7681  		v0.AddArg(x)
  7682  		v.AddArg2(v0, y)
  7683  		return true
  7684  	}
  7685  	return false
  7686  }
  7687  func rewriteValueRISCV64_OpRsh16x8(v *Value) bool {
  7688  	v_1 := v.Args[1]
  7689  	v_0 := v.Args[0]
  7690  	b := v.Block
  7691  	typ := &b.Func.Config.Types
  7692  	// match: (Rsh16x8 <t> x y)
  7693  	// cond: !shiftIsBounded(v)
  7694  	// result: (SRA <t> (SignExt16to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt8to64 y)))))
  7695  	for {
  7696  		t := v.Type
  7697  		x := v_0
  7698  		y := v_1
  7699  		if !(!shiftIsBounded(v)) {
  7700  			break
  7701  		}
  7702  		v.reset(OpRISCV64SRA)
  7703  		v.Type = t
  7704  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  7705  		v0.AddArg(x)
  7706  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7707  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7708  		v2.AuxInt = int64ToAuxInt(-1)
  7709  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7710  		v3.AuxInt = int64ToAuxInt(64)
  7711  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7712  		v4.AddArg(y)
  7713  		v3.AddArg(v4)
  7714  		v2.AddArg(v3)
  7715  		v1.AddArg2(y, v2)
  7716  		v.AddArg2(v0, v1)
  7717  		return true
  7718  	}
  7719  	// match: (Rsh16x8 x y)
  7720  	// cond: shiftIsBounded(v)
  7721  	// result: (SRA (SignExt16to64 x) y)
  7722  	for {
  7723  		x := v_0
  7724  		y := v_1
  7725  		if !(shiftIsBounded(v)) {
  7726  			break
  7727  		}
  7728  		v.reset(OpRISCV64SRA)
  7729  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
  7730  		v0.AddArg(x)
  7731  		v.AddArg2(v0, y)
  7732  		return true
  7733  	}
  7734  	return false
  7735  }
  7736  func rewriteValueRISCV64_OpRsh32Ux16(v *Value) bool {
  7737  	v_1 := v.Args[1]
  7738  	v_0 := v.Args[0]
  7739  	b := v.Block
  7740  	typ := &b.Func.Config.Types
  7741  	// match: (Rsh32Ux16 <t> x y)
  7742  	// cond: !shiftIsBounded(v)
  7743  	// result: (AND (SRLW <t> x y) (Neg32 <t> (SLTIU <t> [32] (ZeroExt16to64 y))))
  7744  	for {
  7745  		t := v.Type
  7746  		x := v_0
  7747  		y := v_1
  7748  		if !(!shiftIsBounded(v)) {
  7749  			break
  7750  		}
  7751  		v.reset(OpRISCV64AND)
  7752  		v0 := b.NewValue0(v.Pos, OpRISCV64SRLW, t)
  7753  		v0.AddArg2(x, y)
  7754  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  7755  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7756  		v2.AuxInt = int64ToAuxInt(32)
  7757  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7758  		v3.AddArg(y)
  7759  		v2.AddArg(v3)
  7760  		v1.AddArg(v2)
  7761  		v.AddArg2(v0, v1)
  7762  		return true
  7763  	}
  7764  	// match: (Rsh32Ux16 x y)
  7765  	// cond: shiftIsBounded(v)
  7766  	// result: (SRLW x y)
  7767  	for {
  7768  		x := v_0
  7769  		y := v_1
  7770  		if !(shiftIsBounded(v)) {
  7771  			break
  7772  		}
  7773  		v.reset(OpRISCV64SRLW)
  7774  		v.AddArg2(x, y)
  7775  		return true
  7776  	}
  7777  	return false
  7778  }
  7779  func rewriteValueRISCV64_OpRsh32Ux32(v *Value) bool {
  7780  	v_1 := v.Args[1]
  7781  	v_0 := v.Args[0]
  7782  	b := v.Block
  7783  	typ := &b.Func.Config.Types
  7784  	// match: (Rsh32Ux32 <t> x y)
  7785  	// cond: !shiftIsBounded(v)
  7786  	// result: (AND (SRLW <t> x y) (Neg32 <t> (SLTIU <t> [32] (ZeroExt32to64 y))))
  7787  	for {
  7788  		t := v.Type
  7789  		x := v_0
  7790  		y := v_1
  7791  		if !(!shiftIsBounded(v)) {
  7792  			break
  7793  		}
  7794  		v.reset(OpRISCV64AND)
  7795  		v0 := b.NewValue0(v.Pos, OpRISCV64SRLW, t)
  7796  		v0.AddArg2(x, y)
  7797  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  7798  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7799  		v2.AuxInt = int64ToAuxInt(32)
  7800  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  7801  		v3.AddArg(y)
  7802  		v2.AddArg(v3)
  7803  		v1.AddArg(v2)
  7804  		v.AddArg2(v0, v1)
  7805  		return true
  7806  	}
  7807  	// match: (Rsh32Ux32 x y)
  7808  	// cond: shiftIsBounded(v)
  7809  	// result: (SRLW x y)
  7810  	for {
  7811  		x := v_0
  7812  		y := v_1
  7813  		if !(shiftIsBounded(v)) {
  7814  			break
  7815  		}
  7816  		v.reset(OpRISCV64SRLW)
  7817  		v.AddArg2(x, y)
  7818  		return true
  7819  	}
  7820  	return false
  7821  }
  7822  func rewriteValueRISCV64_OpRsh32Ux64(v *Value) bool {
  7823  	v_1 := v.Args[1]
  7824  	v_0 := v.Args[0]
  7825  	b := v.Block
  7826  	// match: (Rsh32Ux64 <t> x y)
  7827  	// cond: !shiftIsBounded(v)
  7828  	// result: (AND (SRLW <t> x y) (Neg32 <t> (SLTIU <t> [32] y)))
  7829  	for {
  7830  		t := v.Type
  7831  		x := v_0
  7832  		y := v_1
  7833  		if !(!shiftIsBounded(v)) {
  7834  			break
  7835  		}
  7836  		v.reset(OpRISCV64AND)
  7837  		v0 := b.NewValue0(v.Pos, OpRISCV64SRLW, t)
  7838  		v0.AddArg2(x, y)
  7839  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  7840  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7841  		v2.AuxInt = int64ToAuxInt(32)
  7842  		v2.AddArg(y)
  7843  		v1.AddArg(v2)
  7844  		v.AddArg2(v0, v1)
  7845  		return true
  7846  	}
  7847  	// match: (Rsh32Ux64 x y)
  7848  	// cond: shiftIsBounded(v)
  7849  	// result: (SRLW x y)
  7850  	for {
  7851  		x := v_0
  7852  		y := v_1
  7853  		if !(shiftIsBounded(v)) {
  7854  			break
  7855  		}
  7856  		v.reset(OpRISCV64SRLW)
  7857  		v.AddArg2(x, y)
  7858  		return true
  7859  	}
  7860  	return false
  7861  }
  7862  func rewriteValueRISCV64_OpRsh32Ux8(v *Value) bool {
  7863  	v_1 := v.Args[1]
  7864  	v_0 := v.Args[0]
  7865  	b := v.Block
  7866  	typ := &b.Func.Config.Types
  7867  	// match: (Rsh32Ux8 <t> x y)
  7868  	// cond: !shiftIsBounded(v)
  7869  	// result: (AND (SRLW <t> x y) (Neg32 <t> (SLTIU <t> [32] (ZeroExt8to64 y))))
  7870  	for {
  7871  		t := v.Type
  7872  		x := v_0
  7873  		y := v_1
  7874  		if !(!shiftIsBounded(v)) {
  7875  			break
  7876  		}
  7877  		v.reset(OpRISCV64AND)
  7878  		v0 := b.NewValue0(v.Pos, OpRISCV64SRLW, t)
  7879  		v0.AddArg2(x, y)
  7880  		v1 := b.NewValue0(v.Pos, OpNeg32, t)
  7881  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  7882  		v2.AuxInt = int64ToAuxInt(32)
  7883  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  7884  		v3.AddArg(y)
  7885  		v2.AddArg(v3)
  7886  		v1.AddArg(v2)
  7887  		v.AddArg2(v0, v1)
  7888  		return true
  7889  	}
  7890  	// match: (Rsh32Ux8 x y)
  7891  	// cond: shiftIsBounded(v)
  7892  	// result: (SRLW x y)
  7893  	for {
  7894  		x := v_0
  7895  		y := v_1
  7896  		if !(shiftIsBounded(v)) {
  7897  			break
  7898  		}
  7899  		v.reset(OpRISCV64SRLW)
  7900  		v.AddArg2(x, y)
  7901  		return true
  7902  	}
  7903  	return false
  7904  }
  7905  func rewriteValueRISCV64_OpRsh32x16(v *Value) bool {
  7906  	v_1 := v.Args[1]
  7907  	v_0 := v.Args[0]
  7908  	b := v.Block
  7909  	typ := &b.Func.Config.Types
  7910  	// match: (Rsh32x16 <t> x y)
  7911  	// cond: !shiftIsBounded(v)
  7912  	// result: (SRAW <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [32] (ZeroExt16to64 y)))))
  7913  	for {
  7914  		t := v.Type
  7915  		x := v_0
  7916  		y := v_1
  7917  		if !(!shiftIsBounded(v)) {
  7918  			break
  7919  		}
  7920  		v.reset(OpRISCV64SRAW)
  7921  		v.Type = t
  7922  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7923  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7924  		v1.AuxInt = int64ToAuxInt(-1)
  7925  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7926  		v2.AuxInt = int64ToAuxInt(32)
  7927  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  7928  		v3.AddArg(y)
  7929  		v2.AddArg(v3)
  7930  		v1.AddArg(v2)
  7931  		v0.AddArg2(y, v1)
  7932  		v.AddArg2(x, v0)
  7933  		return true
  7934  	}
  7935  	// match: (Rsh32x16 x y)
  7936  	// cond: shiftIsBounded(v)
  7937  	// result: (SRAW x y)
  7938  	for {
  7939  		x := v_0
  7940  		y := v_1
  7941  		if !(shiftIsBounded(v)) {
  7942  			break
  7943  		}
  7944  		v.reset(OpRISCV64SRAW)
  7945  		v.AddArg2(x, y)
  7946  		return true
  7947  	}
  7948  	return false
  7949  }
  7950  func rewriteValueRISCV64_OpRsh32x32(v *Value) bool {
  7951  	v_1 := v.Args[1]
  7952  	v_0 := v.Args[0]
  7953  	b := v.Block
  7954  	typ := &b.Func.Config.Types
  7955  	// match: (Rsh32x32 <t> x y)
  7956  	// cond: !shiftIsBounded(v)
  7957  	// result: (SRAW <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [32] (ZeroExt32to64 y)))))
  7958  	for {
  7959  		t := v.Type
  7960  		x := v_0
  7961  		y := v_1
  7962  		if !(!shiftIsBounded(v)) {
  7963  			break
  7964  		}
  7965  		v.reset(OpRISCV64SRAW)
  7966  		v.Type = t
  7967  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  7968  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  7969  		v1.AuxInt = int64ToAuxInt(-1)
  7970  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  7971  		v2.AuxInt = int64ToAuxInt(32)
  7972  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  7973  		v3.AddArg(y)
  7974  		v2.AddArg(v3)
  7975  		v1.AddArg(v2)
  7976  		v0.AddArg2(y, v1)
  7977  		v.AddArg2(x, v0)
  7978  		return true
  7979  	}
  7980  	// match: (Rsh32x32 x y)
  7981  	// cond: shiftIsBounded(v)
  7982  	// result: (SRAW x y)
  7983  	for {
  7984  		x := v_0
  7985  		y := v_1
  7986  		if !(shiftIsBounded(v)) {
  7987  			break
  7988  		}
  7989  		v.reset(OpRISCV64SRAW)
  7990  		v.AddArg2(x, y)
  7991  		return true
  7992  	}
  7993  	return false
  7994  }
  7995  func rewriteValueRISCV64_OpRsh32x64(v *Value) bool {
  7996  	v_1 := v.Args[1]
  7997  	v_0 := v.Args[0]
  7998  	b := v.Block
  7999  	// match: (Rsh32x64 <t> x y)
  8000  	// cond: !shiftIsBounded(v)
  8001  	// result: (SRAW <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [32] y))))
  8002  	for {
  8003  		t := v.Type
  8004  		x := v_0
  8005  		y := v_1
  8006  		if !(!shiftIsBounded(v)) {
  8007  			break
  8008  		}
  8009  		v.reset(OpRISCV64SRAW)
  8010  		v.Type = t
  8011  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8012  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8013  		v1.AuxInt = int64ToAuxInt(-1)
  8014  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8015  		v2.AuxInt = int64ToAuxInt(32)
  8016  		v2.AddArg(y)
  8017  		v1.AddArg(v2)
  8018  		v0.AddArg2(y, v1)
  8019  		v.AddArg2(x, v0)
  8020  		return true
  8021  	}
  8022  	// match: (Rsh32x64 x y)
  8023  	// cond: shiftIsBounded(v)
  8024  	// result: (SRAW x y)
  8025  	for {
  8026  		x := v_0
  8027  		y := v_1
  8028  		if !(shiftIsBounded(v)) {
  8029  			break
  8030  		}
  8031  		v.reset(OpRISCV64SRAW)
  8032  		v.AddArg2(x, y)
  8033  		return true
  8034  	}
  8035  	return false
  8036  }
  8037  func rewriteValueRISCV64_OpRsh32x8(v *Value) bool {
  8038  	v_1 := v.Args[1]
  8039  	v_0 := v.Args[0]
  8040  	b := v.Block
  8041  	typ := &b.Func.Config.Types
  8042  	// match: (Rsh32x8 <t> x y)
  8043  	// cond: !shiftIsBounded(v)
  8044  	// result: (SRAW <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [32] (ZeroExt8to64 y)))))
  8045  	for {
  8046  		t := v.Type
  8047  		x := v_0
  8048  		y := v_1
  8049  		if !(!shiftIsBounded(v)) {
  8050  			break
  8051  		}
  8052  		v.reset(OpRISCV64SRAW)
  8053  		v.Type = t
  8054  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8055  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8056  		v1.AuxInt = int64ToAuxInt(-1)
  8057  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8058  		v2.AuxInt = int64ToAuxInt(32)
  8059  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8060  		v3.AddArg(y)
  8061  		v2.AddArg(v3)
  8062  		v1.AddArg(v2)
  8063  		v0.AddArg2(y, v1)
  8064  		v.AddArg2(x, v0)
  8065  		return true
  8066  	}
  8067  	// match: (Rsh32x8 x y)
  8068  	// cond: shiftIsBounded(v)
  8069  	// result: (SRAW x y)
  8070  	for {
  8071  		x := v_0
  8072  		y := v_1
  8073  		if !(shiftIsBounded(v)) {
  8074  			break
  8075  		}
  8076  		v.reset(OpRISCV64SRAW)
  8077  		v.AddArg2(x, y)
  8078  		return true
  8079  	}
  8080  	return false
  8081  }
  8082  func rewriteValueRISCV64_OpRsh64Ux16(v *Value) bool {
  8083  	v_1 := v.Args[1]
  8084  	v_0 := v.Args[0]
  8085  	b := v.Block
  8086  	typ := &b.Func.Config.Types
  8087  	// match: (Rsh64Ux16 <t> x y)
  8088  	// cond: !shiftIsBounded(v)
  8089  	// result: (AND (SRL <t> x y) (Neg64 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  8090  	for {
  8091  		t := v.Type
  8092  		x := v_0
  8093  		y := v_1
  8094  		if !(!shiftIsBounded(v)) {
  8095  			break
  8096  		}
  8097  		v.reset(OpRISCV64AND)
  8098  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  8099  		v0.AddArg2(x, y)
  8100  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  8101  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  8102  		v2.AuxInt = int64ToAuxInt(64)
  8103  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  8104  		v3.AddArg(y)
  8105  		v2.AddArg(v3)
  8106  		v1.AddArg(v2)
  8107  		v.AddArg2(v0, v1)
  8108  		return true
  8109  	}
  8110  	// match: (Rsh64Ux16 x y)
  8111  	// cond: shiftIsBounded(v)
  8112  	// result: (SRL x y)
  8113  	for {
  8114  		x := v_0
  8115  		y := v_1
  8116  		if !(shiftIsBounded(v)) {
  8117  			break
  8118  		}
  8119  		v.reset(OpRISCV64SRL)
  8120  		v.AddArg2(x, y)
  8121  		return true
  8122  	}
  8123  	return false
  8124  }
  8125  func rewriteValueRISCV64_OpRsh64Ux32(v *Value) bool {
  8126  	v_1 := v.Args[1]
  8127  	v_0 := v.Args[0]
  8128  	b := v.Block
  8129  	typ := &b.Func.Config.Types
  8130  	// match: (Rsh64Ux32 <t> x y)
  8131  	// cond: !shiftIsBounded(v)
  8132  	// result: (AND (SRL <t> x y) (Neg64 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  8133  	for {
  8134  		t := v.Type
  8135  		x := v_0
  8136  		y := v_1
  8137  		if !(!shiftIsBounded(v)) {
  8138  			break
  8139  		}
  8140  		v.reset(OpRISCV64AND)
  8141  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  8142  		v0.AddArg2(x, y)
  8143  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  8144  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  8145  		v2.AuxInt = int64ToAuxInt(64)
  8146  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  8147  		v3.AddArg(y)
  8148  		v2.AddArg(v3)
  8149  		v1.AddArg(v2)
  8150  		v.AddArg2(v0, v1)
  8151  		return true
  8152  	}
  8153  	// match: (Rsh64Ux32 x y)
  8154  	// cond: shiftIsBounded(v)
  8155  	// result: (SRL x y)
  8156  	for {
  8157  		x := v_0
  8158  		y := v_1
  8159  		if !(shiftIsBounded(v)) {
  8160  			break
  8161  		}
  8162  		v.reset(OpRISCV64SRL)
  8163  		v.AddArg2(x, y)
  8164  		return true
  8165  	}
  8166  	return false
  8167  }
  8168  func rewriteValueRISCV64_OpRsh64Ux64(v *Value) bool {
  8169  	v_1 := v.Args[1]
  8170  	v_0 := v.Args[0]
  8171  	b := v.Block
  8172  	// match: (Rsh64Ux64 <t> x y)
  8173  	// cond: !shiftIsBounded(v)
  8174  	// result: (AND (SRL <t> x y) (Neg64 <t> (SLTIU <t> [64] y)))
  8175  	for {
  8176  		t := v.Type
  8177  		x := v_0
  8178  		y := v_1
  8179  		if !(!shiftIsBounded(v)) {
  8180  			break
  8181  		}
  8182  		v.reset(OpRISCV64AND)
  8183  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  8184  		v0.AddArg2(x, y)
  8185  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  8186  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  8187  		v2.AuxInt = int64ToAuxInt(64)
  8188  		v2.AddArg(y)
  8189  		v1.AddArg(v2)
  8190  		v.AddArg2(v0, v1)
  8191  		return true
  8192  	}
  8193  	// match: (Rsh64Ux64 x y)
  8194  	// cond: shiftIsBounded(v)
  8195  	// result: (SRL x y)
  8196  	for {
  8197  		x := v_0
  8198  		y := v_1
  8199  		if !(shiftIsBounded(v)) {
  8200  			break
  8201  		}
  8202  		v.reset(OpRISCV64SRL)
  8203  		v.AddArg2(x, y)
  8204  		return true
  8205  	}
  8206  	return false
  8207  }
  8208  func rewriteValueRISCV64_OpRsh64Ux8(v *Value) bool {
  8209  	v_1 := v.Args[1]
  8210  	v_0 := v.Args[0]
  8211  	b := v.Block
  8212  	typ := &b.Func.Config.Types
  8213  	// match: (Rsh64Ux8 <t> x y)
  8214  	// cond: !shiftIsBounded(v)
  8215  	// result: (AND (SRL <t> x y) (Neg64 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  8216  	for {
  8217  		t := v.Type
  8218  		x := v_0
  8219  		y := v_1
  8220  		if !(!shiftIsBounded(v)) {
  8221  			break
  8222  		}
  8223  		v.reset(OpRISCV64AND)
  8224  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  8225  		v0.AddArg2(x, y)
  8226  		v1 := b.NewValue0(v.Pos, OpNeg64, t)
  8227  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  8228  		v2.AuxInt = int64ToAuxInt(64)
  8229  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8230  		v3.AddArg(y)
  8231  		v2.AddArg(v3)
  8232  		v1.AddArg(v2)
  8233  		v.AddArg2(v0, v1)
  8234  		return true
  8235  	}
  8236  	// match: (Rsh64Ux8 x y)
  8237  	// cond: shiftIsBounded(v)
  8238  	// result: (SRL x y)
  8239  	for {
  8240  		x := v_0
  8241  		y := v_1
  8242  		if !(shiftIsBounded(v)) {
  8243  			break
  8244  		}
  8245  		v.reset(OpRISCV64SRL)
  8246  		v.AddArg2(x, y)
  8247  		return true
  8248  	}
  8249  	return false
  8250  }
  8251  func rewriteValueRISCV64_OpRsh64x16(v *Value) bool {
  8252  	v_1 := v.Args[1]
  8253  	v_0 := v.Args[0]
  8254  	b := v.Block
  8255  	typ := &b.Func.Config.Types
  8256  	// match: (Rsh64x16 <t> x y)
  8257  	// cond: !shiftIsBounded(v)
  8258  	// result: (SRA <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt16to64 y)))))
  8259  	for {
  8260  		t := v.Type
  8261  		x := v_0
  8262  		y := v_1
  8263  		if !(!shiftIsBounded(v)) {
  8264  			break
  8265  		}
  8266  		v.reset(OpRISCV64SRA)
  8267  		v.Type = t
  8268  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8269  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8270  		v1.AuxInt = int64ToAuxInt(-1)
  8271  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8272  		v2.AuxInt = int64ToAuxInt(64)
  8273  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  8274  		v3.AddArg(y)
  8275  		v2.AddArg(v3)
  8276  		v1.AddArg(v2)
  8277  		v0.AddArg2(y, v1)
  8278  		v.AddArg2(x, v0)
  8279  		return true
  8280  	}
  8281  	// match: (Rsh64x16 x y)
  8282  	// cond: shiftIsBounded(v)
  8283  	// result: (SRA x y)
  8284  	for {
  8285  		x := v_0
  8286  		y := v_1
  8287  		if !(shiftIsBounded(v)) {
  8288  			break
  8289  		}
  8290  		v.reset(OpRISCV64SRA)
  8291  		v.AddArg2(x, y)
  8292  		return true
  8293  	}
  8294  	return false
  8295  }
  8296  func rewriteValueRISCV64_OpRsh64x32(v *Value) bool {
  8297  	v_1 := v.Args[1]
  8298  	v_0 := v.Args[0]
  8299  	b := v.Block
  8300  	typ := &b.Func.Config.Types
  8301  	// match: (Rsh64x32 <t> x y)
  8302  	// cond: !shiftIsBounded(v)
  8303  	// result: (SRA <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt32to64 y)))))
  8304  	for {
  8305  		t := v.Type
  8306  		x := v_0
  8307  		y := v_1
  8308  		if !(!shiftIsBounded(v)) {
  8309  			break
  8310  		}
  8311  		v.reset(OpRISCV64SRA)
  8312  		v.Type = t
  8313  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8314  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8315  		v1.AuxInt = int64ToAuxInt(-1)
  8316  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8317  		v2.AuxInt = int64ToAuxInt(64)
  8318  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  8319  		v3.AddArg(y)
  8320  		v2.AddArg(v3)
  8321  		v1.AddArg(v2)
  8322  		v0.AddArg2(y, v1)
  8323  		v.AddArg2(x, v0)
  8324  		return true
  8325  	}
  8326  	// match: (Rsh64x32 x y)
  8327  	// cond: shiftIsBounded(v)
  8328  	// result: (SRA x y)
  8329  	for {
  8330  		x := v_0
  8331  		y := v_1
  8332  		if !(shiftIsBounded(v)) {
  8333  			break
  8334  		}
  8335  		v.reset(OpRISCV64SRA)
  8336  		v.AddArg2(x, y)
  8337  		return true
  8338  	}
  8339  	return false
  8340  }
  8341  func rewriteValueRISCV64_OpRsh64x64(v *Value) bool {
  8342  	v_1 := v.Args[1]
  8343  	v_0 := v.Args[0]
  8344  	b := v.Block
  8345  	// match: (Rsh64x64 <t> x y)
  8346  	// cond: !shiftIsBounded(v)
  8347  	// result: (SRA <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] y))))
  8348  	for {
  8349  		t := v.Type
  8350  		x := v_0
  8351  		y := v_1
  8352  		if !(!shiftIsBounded(v)) {
  8353  			break
  8354  		}
  8355  		v.reset(OpRISCV64SRA)
  8356  		v.Type = t
  8357  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8358  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8359  		v1.AuxInt = int64ToAuxInt(-1)
  8360  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8361  		v2.AuxInt = int64ToAuxInt(64)
  8362  		v2.AddArg(y)
  8363  		v1.AddArg(v2)
  8364  		v0.AddArg2(y, v1)
  8365  		v.AddArg2(x, v0)
  8366  		return true
  8367  	}
  8368  	// match: (Rsh64x64 x y)
  8369  	// cond: shiftIsBounded(v)
  8370  	// result: (SRA x y)
  8371  	for {
  8372  		x := v_0
  8373  		y := v_1
  8374  		if !(shiftIsBounded(v)) {
  8375  			break
  8376  		}
  8377  		v.reset(OpRISCV64SRA)
  8378  		v.AddArg2(x, y)
  8379  		return true
  8380  	}
  8381  	return false
  8382  }
  8383  func rewriteValueRISCV64_OpRsh64x8(v *Value) bool {
  8384  	v_1 := v.Args[1]
  8385  	v_0 := v.Args[0]
  8386  	b := v.Block
  8387  	typ := &b.Func.Config.Types
  8388  	// match: (Rsh64x8 <t> x y)
  8389  	// cond: !shiftIsBounded(v)
  8390  	// result: (SRA <t> x (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt8to64 y)))))
  8391  	for {
  8392  		t := v.Type
  8393  		x := v_0
  8394  		y := v_1
  8395  		if !(!shiftIsBounded(v)) {
  8396  			break
  8397  		}
  8398  		v.reset(OpRISCV64SRA)
  8399  		v.Type = t
  8400  		v0 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8401  		v1 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8402  		v1.AuxInt = int64ToAuxInt(-1)
  8403  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8404  		v2.AuxInt = int64ToAuxInt(64)
  8405  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8406  		v3.AddArg(y)
  8407  		v2.AddArg(v3)
  8408  		v1.AddArg(v2)
  8409  		v0.AddArg2(y, v1)
  8410  		v.AddArg2(x, v0)
  8411  		return true
  8412  	}
  8413  	// match: (Rsh64x8 x y)
  8414  	// cond: shiftIsBounded(v)
  8415  	// result: (SRA x y)
  8416  	for {
  8417  		x := v_0
  8418  		y := v_1
  8419  		if !(shiftIsBounded(v)) {
  8420  			break
  8421  		}
  8422  		v.reset(OpRISCV64SRA)
  8423  		v.AddArg2(x, y)
  8424  		return true
  8425  	}
  8426  	return false
  8427  }
  8428  func rewriteValueRISCV64_OpRsh8Ux16(v *Value) bool {
  8429  	v_1 := v.Args[1]
  8430  	v_0 := v.Args[0]
  8431  	b := v.Block
  8432  	typ := &b.Func.Config.Types
  8433  	// match: (Rsh8Ux16 <t> x y)
  8434  	// cond: !shiftIsBounded(v)
  8435  	// result: (AND (SRL <t> (ZeroExt8to64 x) y) (Neg8 <t> (SLTIU <t> [64] (ZeroExt16to64 y))))
  8436  	for {
  8437  		t := v.Type
  8438  		x := v_0
  8439  		y := v_1
  8440  		if !(!shiftIsBounded(v)) {
  8441  			break
  8442  		}
  8443  		v.reset(OpRISCV64AND)
  8444  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  8445  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8446  		v1.AddArg(x)
  8447  		v0.AddArg2(v1, y)
  8448  		v2 := b.NewValue0(v.Pos, OpNeg8, t)
  8449  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  8450  		v3.AuxInt = int64ToAuxInt(64)
  8451  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  8452  		v4.AddArg(y)
  8453  		v3.AddArg(v4)
  8454  		v2.AddArg(v3)
  8455  		v.AddArg2(v0, v2)
  8456  		return true
  8457  	}
  8458  	// match: (Rsh8Ux16 x y)
  8459  	// cond: shiftIsBounded(v)
  8460  	// result: (SRL (ZeroExt8to64 x) y)
  8461  	for {
  8462  		x := v_0
  8463  		y := v_1
  8464  		if !(shiftIsBounded(v)) {
  8465  			break
  8466  		}
  8467  		v.reset(OpRISCV64SRL)
  8468  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8469  		v0.AddArg(x)
  8470  		v.AddArg2(v0, y)
  8471  		return true
  8472  	}
  8473  	return false
  8474  }
  8475  func rewriteValueRISCV64_OpRsh8Ux32(v *Value) bool {
  8476  	v_1 := v.Args[1]
  8477  	v_0 := v.Args[0]
  8478  	b := v.Block
  8479  	typ := &b.Func.Config.Types
  8480  	// match: (Rsh8Ux32 <t> x y)
  8481  	// cond: !shiftIsBounded(v)
  8482  	// result: (AND (SRL <t> (ZeroExt8to64 x) y) (Neg8 <t> (SLTIU <t> [64] (ZeroExt32to64 y))))
  8483  	for {
  8484  		t := v.Type
  8485  		x := v_0
  8486  		y := v_1
  8487  		if !(!shiftIsBounded(v)) {
  8488  			break
  8489  		}
  8490  		v.reset(OpRISCV64AND)
  8491  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  8492  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8493  		v1.AddArg(x)
  8494  		v0.AddArg2(v1, y)
  8495  		v2 := b.NewValue0(v.Pos, OpNeg8, t)
  8496  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  8497  		v3.AuxInt = int64ToAuxInt(64)
  8498  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  8499  		v4.AddArg(y)
  8500  		v3.AddArg(v4)
  8501  		v2.AddArg(v3)
  8502  		v.AddArg2(v0, v2)
  8503  		return true
  8504  	}
  8505  	// match: (Rsh8Ux32 x y)
  8506  	// cond: shiftIsBounded(v)
  8507  	// result: (SRL (ZeroExt8to64 x) y)
  8508  	for {
  8509  		x := v_0
  8510  		y := v_1
  8511  		if !(shiftIsBounded(v)) {
  8512  			break
  8513  		}
  8514  		v.reset(OpRISCV64SRL)
  8515  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8516  		v0.AddArg(x)
  8517  		v.AddArg2(v0, y)
  8518  		return true
  8519  	}
  8520  	return false
  8521  }
  8522  func rewriteValueRISCV64_OpRsh8Ux64(v *Value) bool {
  8523  	v_1 := v.Args[1]
  8524  	v_0 := v.Args[0]
  8525  	b := v.Block
  8526  	typ := &b.Func.Config.Types
  8527  	// match: (Rsh8Ux64 <t> x y)
  8528  	// cond: !shiftIsBounded(v)
  8529  	// result: (AND (SRL <t> (ZeroExt8to64 x) y) (Neg8 <t> (SLTIU <t> [64] y)))
  8530  	for {
  8531  		t := v.Type
  8532  		x := v_0
  8533  		y := v_1
  8534  		if !(!shiftIsBounded(v)) {
  8535  			break
  8536  		}
  8537  		v.reset(OpRISCV64AND)
  8538  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  8539  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8540  		v1.AddArg(x)
  8541  		v0.AddArg2(v1, y)
  8542  		v2 := b.NewValue0(v.Pos, OpNeg8, t)
  8543  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  8544  		v3.AuxInt = int64ToAuxInt(64)
  8545  		v3.AddArg(y)
  8546  		v2.AddArg(v3)
  8547  		v.AddArg2(v0, v2)
  8548  		return true
  8549  	}
  8550  	// match: (Rsh8Ux64 x y)
  8551  	// cond: shiftIsBounded(v)
  8552  	// result: (SRL (ZeroExt8to64 x) y)
  8553  	for {
  8554  		x := v_0
  8555  		y := v_1
  8556  		if !(shiftIsBounded(v)) {
  8557  			break
  8558  		}
  8559  		v.reset(OpRISCV64SRL)
  8560  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8561  		v0.AddArg(x)
  8562  		v.AddArg2(v0, y)
  8563  		return true
  8564  	}
  8565  	return false
  8566  }
  8567  func rewriteValueRISCV64_OpRsh8Ux8(v *Value) bool {
  8568  	v_1 := v.Args[1]
  8569  	v_0 := v.Args[0]
  8570  	b := v.Block
  8571  	typ := &b.Func.Config.Types
  8572  	// match: (Rsh8Ux8 <t> x y)
  8573  	// cond: !shiftIsBounded(v)
  8574  	// result: (AND (SRL <t> (ZeroExt8to64 x) y) (Neg8 <t> (SLTIU <t> [64] (ZeroExt8to64 y))))
  8575  	for {
  8576  		t := v.Type
  8577  		x := v_0
  8578  		y := v_1
  8579  		if !(!shiftIsBounded(v)) {
  8580  			break
  8581  		}
  8582  		v.reset(OpRISCV64AND)
  8583  		v0 := b.NewValue0(v.Pos, OpRISCV64SRL, t)
  8584  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8585  		v1.AddArg(x)
  8586  		v0.AddArg2(v1, y)
  8587  		v2 := b.NewValue0(v.Pos, OpNeg8, t)
  8588  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, t)
  8589  		v3.AuxInt = int64ToAuxInt(64)
  8590  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8591  		v4.AddArg(y)
  8592  		v3.AddArg(v4)
  8593  		v2.AddArg(v3)
  8594  		v.AddArg2(v0, v2)
  8595  		return true
  8596  	}
  8597  	// match: (Rsh8Ux8 x y)
  8598  	// cond: shiftIsBounded(v)
  8599  	// result: (SRL (ZeroExt8to64 x) y)
  8600  	for {
  8601  		x := v_0
  8602  		y := v_1
  8603  		if !(shiftIsBounded(v)) {
  8604  			break
  8605  		}
  8606  		v.reset(OpRISCV64SRL)
  8607  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8608  		v0.AddArg(x)
  8609  		v.AddArg2(v0, y)
  8610  		return true
  8611  	}
  8612  	return false
  8613  }
  8614  func rewriteValueRISCV64_OpRsh8x16(v *Value) bool {
  8615  	v_1 := v.Args[1]
  8616  	v_0 := v.Args[0]
  8617  	b := v.Block
  8618  	typ := &b.Func.Config.Types
  8619  	// match: (Rsh8x16 <t> x y)
  8620  	// cond: !shiftIsBounded(v)
  8621  	// result: (SRA <t> (SignExt8to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt16to64 y)))))
  8622  	for {
  8623  		t := v.Type
  8624  		x := v_0
  8625  		y := v_1
  8626  		if !(!shiftIsBounded(v)) {
  8627  			break
  8628  		}
  8629  		v.reset(OpRISCV64SRA)
  8630  		v.Type = t
  8631  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8632  		v0.AddArg(x)
  8633  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8634  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8635  		v2.AuxInt = int64ToAuxInt(-1)
  8636  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8637  		v3.AuxInt = int64ToAuxInt(64)
  8638  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
  8639  		v4.AddArg(y)
  8640  		v3.AddArg(v4)
  8641  		v2.AddArg(v3)
  8642  		v1.AddArg2(y, v2)
  8643  		v.AddArg2(v0, v1)
  8644  		return true
  8645  	}
  8646  	// match: (Rsh8x16 x y)
  8647  	// cond: shiftIsBounded(v)
  8648  	// result: (SRA (SignExt8to64 x) y)
  8649  	for {
  8650  		x := v_0
  8651  		y := v_1
  8652  		if !(shiftIsBounded(v)) {
  8653  			break
  8654  		}
  8655  		v.reset(OpRISCV64SRA)
  8656  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8657  		v0.AddArg(x)
  8658  		v.AddArg2(v0, y)
  8659  		return true
  8660  	}
  8661  	return false
  8662  }
  8663  func rewriteValueRISCV64_OpRsh8x32(v *Value) bool {
  8664  	v_1 := v.Args[1]
  8665  	v_0 := v.Args[0]
  8666  	b := v.Block
  8667  	typ := &b.Func.Config.Types
  8668  	// match: (Rsh8x32 <t> x y)
  8669  	// cond: !shiftIsBounded(v)
  8670  	// result: (SRA <t> (SignExt8to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt32to64 y)))))
  8671  	for {
  8672  		t := v.Type
  8673  		x := v_0
  8674  		y := v_1
  8675  		if !(!shiftIsBounded(v)) {
  8676  			break
  8677  		}
  8678  		v.reset(OpRISCV64SRA)
  8679  		v.Type = t
  8680  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8681  		v0.AddArg(x)
  8682  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8683  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8684  		v2.AuxInt = int64ToAuxInt(-1)
  8685  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8686  		v3.AuxInt = int64ToAuxInt(64)
  8687  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
  8688  		v4.AddArg(y)
  8689  		v3.AddArg(v4)
  8690  		v2.AddArg(v3)
  8691  		v1.AddArg2(y, v2)
  8692  		v.AddArg2(v0, v1)
  8693  		return true
  8694  	}
  8695  	// match: (Rsh8x32 x y)
  8696  	// cond: shiftIsBounded(v)
  8697  	// result: (SRA (SignExt8to64 x) y)
  8698  	for {
  8699  		x := v_0
  8700  		y := v_1
  8701  		if !(shiftIsBounded(v)) {
  8702  			break
  8703  		}
  8704  		v.reset(OpRISCV64SRA)
  8705  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8706  		v0.AddArg(x)
  8707  		v.AddArg2(v0, y)
  8708  		return true
  8709  	}
  8710  	return false
  8711  }
  8712  func rewriteValueRISCV64_OpRsh8x64(v *Value) bool {
  8713  	v_1 := v.Args[1]
  8714  	v_0 := v.Args[0]
  8715  	b := v.Block
  8716  	typ := &b.Func.Config.Types
  8717  	// match: (Rsh8x64 <t> x y)
  8718  	// cond: !shiftIsBounded(v)
  8719  	// result: (SRA <t> (SignExt8to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] y))))
  8720  	for {
  8721  		t := v.Type
  8722  		x := v_0
  8723  		y := v_1
  8724  		if !(!shiftIsBounded(v)) {
  8725  			break
  8726  		}
  8727  		v.reset(OpRISCV64SRA)
  8728  		v.Type = t
  8729  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8730  		v0.AddArg(x)
  8731  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8732  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8733  		v2.AuxInt = int64ToAuxInt(-1)
  8734  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8735  		v3.AuxInt = int64ToAuxInt(64)
  8736  		v3.AddArg(y)
  8737  		v2.AddArg(v3)
  8738  		v1.AddArg2(y, v2)
  8739  		v.AddArg2(v0, v1)
  8740  		return true
  8741  	}
  8742  	// match: (Rsh8x64 x y)
  8743  	// cond: shiftIsBounded(v)
  8744  	// result: (SRA (SignExt8to64 x) y)
  8745  	for {
  8746  		x := v_0
  8747  		y := v_1
  8748  		if !(shiftIsBounded(v)) {
  8749  			break
  8750  		}
  8751  		v.reset(OpRISCV64SRA)
  8752  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8753  		v0.AddArg(x)
  8754  		v.AddArg2(v0, y)
  8755  		return true
  8756  	}
  8757  	return false
  8758  }
  8759  func rewriteValueRISCV64_OpRsh8x8(v *Value) bool {
  8760  	v_1 := v.Args[1]
  8761  	v_0 := v.Args[0]
  8762  	b := v.Block
  8763  	typ := &b.Func.Config.Types
  8764  	// match: (Rsh8x8 <t> x y)
  8765  	// cond: !shiftIsBounded(v)
  8766  	// result: (SRA <t> (SignExt8to64 x) (OR <y.Type> y (ADDI <y.Type> [-1] (SLTIU <y.Type> [64] (ZeroExt8to64 y)))))
  8767  	for {
  8768  		t := v.Type
  8769  		x := v_0
  8770  		y := v_1
  8771  		if !(!shiftIsBounded(v)) {
  8772  			break
  8773  		}
  8774  		v.reset(OpRISCV64SRA)
  8775  		v.Type = t
  8776  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8777  		v0.AddArg(x)
  8778  		v1 := b.NewValue0(v.Pos, OpRISCV64OR, y.Type)
  8779  		v2 := b.NewValue0(v.Pos, OpRISCV64ADDI, y.Type)
  8780  		v2.AuxInt = int64ToAuxInt(-1)
  8781  		v3 := b.NewValue0(v.Pos, OpRISCV64SLTIU, y.Type)
  8782  		v3.AuxInt = int64ToAuxInt(64)
  8783  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
  8784  		v4.AddArg(y)
  8785  		v3.AddArg(v4)
  8786  		v2.AddArg(v3)
  8787  		v1.AddArg2(y, v2)
  8788  		v.AddArg2(v0, v1)
  8789  		return true
  8790  	}
  8791  	// match: (Rsh8x8 x y)
  8792  	// cond: shiftIsBounded(v)
  8793  	// result: (SRA (SignExt8to64 x) y)
  8794  	for {
  8795  		x := v_0
  8796  		y := v_1
  8797  		if !(shiftIsBounded(v)) {
  8798  			break
  8799  		}
  8800  		v.reset(OpRISCV64SRA)
  8801  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
  8802  		v0.AddArg(x)
  8803  		v.AddArg2(v0, y)
  8804  		return true
  8805  	}
  8806  	return false
  8807  }
  8808  func rewriteValueRISCV64_OpSelect0(v *Value) bool {
  8809  	v_0 := v.Args[0]
  8810  	b := v.Block
  8811  	typ := &b.Func.Config.Types
  8812  	// match: (Select0 (Add64carry x y c))
  8813  	// result: (ADD (ADD <typ.UInt64> x y) c)
  8814  	for {
  8815  		if v_0.Op != OpAdd64carry {
  8816  			break
  8817  		}
  8818  		c := v_0.Args[2]
  8819  		x := v_0.Args[0]
  8820  		y := v_0.Args[1]
  8821  		v.reset(OpRISCV64ADD)
  8822  		v0 := b.NewValue0(v.Pos, OpRISCV64ADD, typ.UInt64)
  8823  		v0.AddArg2(x, y)
  8824  		v.AddArg2(v0, c)
  8825  		return true
  8826  	}
  8827  	// match: (Select0 (Sub64borrow x y c))
  8828  	// result: (SUB (SUB <typ.UInt64> x y) c)
  8829  	for {
  8830  		if v_0.Op != OpSub64borrow {
  8831  			break
  8832  		}
  8833  		c := v_0.Args[2]
  8834  		x := v_0.Args[0]
  8835  		y := v_0.Args[1]
  8836  		v.reset(OpRISCV64SUB)
  8837  		v0 := b.NewValue0(v.Pos, OpRISCV64SUB, typ.UInt64)
  8838  		v0.AddArg2(x, y)
  8839  		v.AddArg2(v0, c)
  8840  		return true
  8841  	}
  8842  	// match: (Select0 m:(LoweredMuluhilo x y))
  8843  	// cond: m.Uses == 1
  8844  	// result: (MULHU x y)
  8845  	for {
  8846  		m := v_0
  8847  		if m.Op != OpRISCV64LoweredMuluhilo {
  8848  			break
  8849  		}
  8850  		y := m.Args[1]
  8851  		x := m.Args[0]
  8852  		if !(m.Uses == 1) {
  8853  			break
  8854  		}
  8855  		v.reset(OpRISCV64MULHU)
  8856  		v.AddArg2(x, y)
  8857  		return true
  8858  	}
  8859  	return false
  8860  }
  8861  func rewriteValueRISCV64_OpSelect1(v *Value) bool {
  8862  	v_0 := v.Args[0]
  8863  	b := v.Block
  8864  	typ := &b.Func.Config.Types
  8865  	// match: (Select1 (Add64carry x y c))
  8866  	// result: (OR (SLTU <typ.UInt64> s:(ADD <typ.UInt64> x y) x) (SLTU <typ.UInt64> (ADD <typ.UInt64> s c) s))
  8867  	for {
  8868  		if v_0.Op != OpAdd64carry {
  8869  			break
  8870  		}
  8871  		c := v_0.Args[2]
  8872  		x := v_0.Args[0]
  8873  		y := v_0.Args[1]
  8874  		v.reset(OpRISCV64OR)
  8875  		v0 := b.NewValue0(v.Pos, OpRISCV64SLTU, typ.UInt64)
  8876  		s := b.NewValue0(v.Pos, OpRISCV64ADD, typ.UInt64)
  8877  		s.AddArg2(x, y)
  8878  		v0.AddArg2(s, x)
  8879  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTU, typ.UInt64)
  8880  		v3 := b.NewValue0(v.Pos, OpRISCV64ADD, typ.UInt64)
  8881  		v3.AddArg2(s, c)
  8882  		v2.AddArg2(v3, s)
  8883  		v.AddArg2(v0, v2)
  8884  		return true
  8885  	}
  8886  	// match: (Select1 (Sub64borrow x y c))
  8887  	// result: (OR (SLTU <typ.UInt64> x s:(SUB <typ.UInt64> x y)) (SLTU <typ.UInt64> s (SUB <typ.UInt64> s c)))
  8888  	for {
  8889  		if v_0.Op != OpSub64borrow {
  8890  			break
  8891  		}
  8892  		c := v_0.Args[2]
  8893  		x := v_0.Args[0]
  8894  		y := v_0.Args[1]
  8895  		v.reset(OpRISCV64OR)
  8896  		v0 := b.NewValue0(v.Pos, OpRISCV64SLTU, typ.UInt64)
  8897  		s := b.NewValue0(v.Pos, OpRISCV64SUB, typ.UInt64)
  8898  		s.AddArg2(x, y)
  8899  		v0.AddArg2(x, s)
  8900  		v2 := b.NewValue0(v.Pos, OpRISCV64SLTU, typ.UInt64)
  8901  		v3 := b.NewValue0(v.Pos, OpRISCV64SUB, typ.UInt64)
  8902  		v3.AddArg2(s, c)
  8903  		v2.AddArg2(s, v3)
  8904  		v.AddArg2(v0, v2)
  8905  		return true
  8906  	}
  8907  	// match: (Select1 m:(LoweredMuluhilo x y))
  8908  	// cond: m.Uses == 1
  8909  	// result: (MUL x y)
  8910  	for {
  8911  		m := v_0
  8912  		if m.Op != OpRISCV64LoweredMuluhilo {
  8913  			break
  8914  		}
  8915  		y := m.Args[1]
  8916  		x := m.Args[0]
  8917  		if !(m.Uses == 1) {
  8918  			break
  8919  		}
  8920  		v.reset(OpRISCV64MUL)
  8921  		v.AddArg2(x, y)
  8922  		return true
  8923  	}
  8924  	return false
  8925  }
  8926  func rewriteValueRISCV64_OpSlicemask(v *Value) bool {
  8927  	v_0 := v.Args[0]
  8928  	b := v.Block
  8929  	// match: (Slicemask <t> x)
  8930  	// result: (SRAI [63] (NEG <t> x))
  8931  	for {
  8932  		t := v.Type
  8933  		x := v_0
  8934  		v.reset(OpRISCV64SRAI)
  8935  		v.AuxInt = int64ToAuxInt(63)
  8936  		v0 := b.NewValue0(v.Pos, OpRISCV64NEG, t)
  8937  		v0.AddArg(x)
  8938  		v.AddArg(v0)
  8939  		return true
  8940  	}
  8941  }
  8942  func rewriteValueRISCV64_OpStore(v *Value) bool {
  8943  	v_2 := v.Args[2]
  8944  	v_1 := v.Args[1]
  8945  	v_0 := v.Args[0]
  8946  	// match: (Store {t} ptr val mem)
  8947  	// cond: t.Size() == 1
  8948  	// result: (MOVBstore ptr val mem)
  8949  	for {
  8950  		t := auxToType(v.Aux)
  8951  		ptr := v_0
  8952  		val := v_1
  8953  		mem := v_2
  8954  		if !(t.Size() == 1) {
  8955  			break
  8956  		}
  8957  		v.reset(OpRISCV64MOVBstore)
  8958  		v.AddArg3(ptr, val, mem)
  8959  		return true
  8960  	}
  8961  	// match: (Store {t} ptr val mem)
  8962  	// cond: t.Size() == 2
  8963  	// result: (MOVHstore ptr val mem)
  8964  	for {
  8965  		t := auxToType(v.Aux)
  8966  		ptr := v_0
  8967  		val := v_1
  8968  		mem := v_2
  8969  		if !(t.Size() == 2) {
  8970  			break
  8971  		}
  8972  		v.reset(OpRISCV64MOVHstore)
  8973  		v.AddArg3(ptr, val, mem)
  8974  		return true
  8975  	}
  8976  	// match: (Store {t} ptr val mem)
  8977  	// cond: t.Size() == 4 && !t.IsFloat()
  8978  	// result: (MOVWstore ptr val mem)
  8979  	for {
  8980  		t := auxToType(v.Aux)
  8981  		ptr := v_0
  8982  		val := v_1
  8983  		mem := v_2
  8984  		if !(t.Size() == 4 && !t.IsFloat()) {
  8985  			break
  8986  		}
  8987  		v.reset(OpRISCV64MOVWstore)
  8988  		v.AddArg3(ptr, val, mem)
  8989  		return true
  8990  	}
  8991  	// match: (Store {t} ptr val mem)
  8992  	// cond: t.Size() == 8 && !t.IsFloat()
  8993  	// result: (MOVDstore ptr val mem)
  8994  	for {
  8995  		t := auxToType(v.Aux)
  8996  		ptr := v_0
  8997  		val := v_1
  8998  		mem := v_2
  8999  		if !(t.Size() == 8 && !t.IsFloat()) {
  9000  			break
  9001  		}
  9002  		v.reset(OpRISCV64MOVDstore)
  9003  		v.AddArg3(ptr, val, mem)
  9004  		return true
  9005  	}
  9006  	// match: (Store {t} ptr val mem)
  9007  	// cond: t.Size() == 4 && t.IsFloat()
  9008  	// result: (FMOVWstore ptr val mem)
  9009  	for {
  9010  		t := auxToType(v.Aux)
  9011  		ptr := v_0
  9012  		val := v_1
  9013  		mem := v_2
  9014  		if !(t.Size() == 4 && t.IsFloat()) {
  9015  			break
  9016  		}
  9017  		v.reset(OpRISCV64FMOVWstore)
  9018  		v.AddArg3(ptr, val, mem)
  9019  		return true
  9020  	}
  9021  	// match: (Store {t} ptr val mem)
  9022  	// cond: t.Size() == 8 && t.IsFloat()
  9023  	// result: (FMOVDstore ptr val mem)
  9024  	for {
  9025  		t := auxToType(v.Aux)
  9026  		ptr := v_0
  9027  		val := v_1
  9028  		mem := v_2
  9029  		if !(t.Size() == 8 && t.IsFloat()) {
  9030  			break
  9031  		}
  9032  		v.reset(OpRISCV64FMOVDstore)
  9033  		v.AddArg3(ptr, val, mem)
  9034  		return true
  9035  	}
  9036  	return false
  9037  }
  9038  func rewriteValueRISCV64_OpZero(v *Value) bool {
  9039  	v_1 := v.Args[1]
  9040  	v_0 := v.Args[0]
  9041  	b := v.Block
  9042  	config := b.Func.Config
  9043  	typ := &b.Func.Config.Types
  9044  	// match: (Zero [0] _ mem)
  9045  	// result: mem
  9046  	for {
  9047  		if auxIntToInt64(v.AuxInt) != 0 {
  9048  			break
  9049  		}
  9050  		mem := v_1
  9051  		v.copyOf(mem)
  9052  		return true
  9053  	}
  9054  	// match: (Zero [1] ptr mem)
  9055  	// result: (MOVBstore ptr (MOVDconst [0]) mem)
  9056  	for {
  9057  		if auxIntToInt64(v.AuxInt) != 1 {
  9058  			break
  9059  		}
  9060  		ptr := v_0
  9061  		mem := v_1
  9062  		v.reset(OpRISCV64MOVBstore)
  9063  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9064  		v0.AuxInt = int64ToAuxInt(0)
  9065  		v.AddArg3(ptr, v0, mem)
  9066  		return true
  9067  	}
  9068  	// match: (Zero [2] {t} ptr mem)
  9069  	// cond: t.Alignment()%2 == 0
  9070  	// result: (MOVHstore ptr (MOVDconst [0]) mem)
  9071  	for {
  9072  		if auxIntToInt64(v.AuxInt) != 2 {
  9073  			break
  9074  		}
  9075  		t := auxToType(v.Aux)
  9076  		ptr := v_0
  9077  		mem := v_1
  9078  		if !(t.Alignment()%2 == 0) {
  9079  			break
  9080  		}
  9081  		v.reset(OpRISCV64MOVHstore)
  9082  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9083  		v0.AuxInt = int64ToAuxInt(0)
  9084  		v.AddArg3(ptr, v0, mem)
  9085  		return true
  9086  	}
  9087  	// match: (Zero [2] ptr mem)
  9088  	// result: (MOVBstore [1] ptr (MOVDconst [0]) (MOVBstore ptr (MOVDconst [0]) mem))
  9089  	for {
  9090  		if auxIntToInt64(v.AuxInt) != 2 {
  9091  			break
  9092  		}
  9093  		ptr := v_0
  9094  		mem := v_1
  9095  		v.reset(OpRISCV64MOVBstore)
  9096  		v.AuxInt = int32ToAuxInt(1)
  9097  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9098  		v0.AuxInt = int64ToAuxInt(0)
  9099  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  9100  		v1.AddArg3(ptr, v0, mem)
  9101  		v.AddArg3(ptr, v0, v1)
  9102  		return true
  9103  	}
  9104  	// match: (Zero [4] {t} ptr mem)
  9105  	// cond: t.Alignment()%4 == 0
  9106  	// result: (MOVWstore ptr (MOVDconst [0]) mem)
  9107  	for {
  9108  		if auxIntToInt64(v.AuxInt) != 4 {
  9109  			break
  9110  		}
  9111  		t := auxToType(v.Aux)
  9112  		ptr := v_0
  9113  		mem := v_1
  9114  		if !(t.Alignment()%4 == 0) {
  9115  			break
  9116  		}
  9117  		v.reset(OpRISCV64MOVWstore)
  9118  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9119  		v0.AuxInt = int64ToAuxInt(0)
  9120  		v.AddArg3(ptr, v0, mem)
  9121  		return true
  9122  	}
  9123  	// match: (Zero [4] {t} ptr mem)
  9124  	// cond: t.Alignment()%2 == 0
  9125  	// result: (MOVHstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem))
  9126  	for {
  9127  		if auxIntToInt64(v.AuxInt) != 4 {
  9128  			break
  9129  		}
  9130  		t := auxToType(v.Aux)
  9131  		ptr := v_0
  9132  		mem := v_1
  9133  		if !(t.Alignment()%2 == 0) {
  9134  			break
  9135  		}
  9136  		v.reset(OpRISCV64MOVHstore)
  9137  		v.AuxInt = int32ToAuxInt(2)
  9138  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9139  		v0.AuxInt = int64ToAuxInt(0)
  9140  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  9141  		v1.AddArg3(ptr, v0, mem)
  9142  		v.AddArg3(ptr, v0, v1)
  9143  		return true
  9144  	}
  9145  	// match: (Zero [4] ptr mem)
  9146  	// result: (MOVBstore [3] ptr (MOVDconst [0]) (MOVBstore [2] ptr (MOVDconst [0]) (MOVBstore [1] ptr (MOVDconst [0]) (MOVBstore ptr (MOVDconst [0]) mem))))
  9147  	for {
  9148  		if auxIntToInt64(v.AuxInt) != 4 {
  9149  			break
  9150  		}
  9151  		ptr := v_0
  9152  		mem := v_1
  9153  		v.reset(OpRISCV64MOVBstore)
  9154  		v.AuxInt = int32ToAuxInt(3)
  9155  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9156  		v0.AuxInt = int64ToAuxInt(0)
  9157  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  9158  		v1.AuxInt = int32ToAuxInt(2)
  9159  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  9160  		v2.AuxInt = int32ToAuxInt(1)
  9161  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  9162  		v3.AddArg3(ptr, v0, mem)
  9163  		v2.AddArg3(ptr, v0, v3)
  9164  		v1.AddArg3(ptr, v0, v2)
  9165  		v.AddArg3(ptr, v0, v1)
  9166  		return true
  9167  	}
  9168  	// match: (Zero [8] {t} ptr mem)
  9169  	// cond: t.Alignment()%8 == 0
  9170  	// result: (MOVDstore ptr (MOVDconst [0]) mem)
  9171  	for {
  9172  		if auxIntToInt64(v.AuxInt) != 8 {
  9173  			break
  9174  		}
  9175  		t := auxToType(v.Aux)
  9176  		ptr := v_0
  9177  		mem := v_1
  9178  		if !(t.Alignment()%8 == 0) {
  9179  			break
  9180  		}
  9181  		v.reset(OpRISCV64MOVDstore)
  9182  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9183  		v0.AuxInt = int64ToAuxInt(0)
  9184  		v.AddArg3(ptr, v0, mem)
  9185  		return true
  9186  	}
  9187  	// match: (Zero [8] {t} ptr mem)
  9188  	// cond: t.Alignment()%4 == 0
  9189  	// result: (MOVWstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
  9190  	for {
  9191  		if auxIntToInt64(v.AuxInt) != 8 {
  9192  			break
  9193  		}
  9194  		t := auxToType(v.Aux)
  9195  		ptr := v_0
  9196  		mem := v_1
  9197  		if !(t.Alignment()%4 == 0) {
  9198  			break
  9199  		}
  9200  		v.reset(OpRISCV64MOVWstore)
  9201  		v.AuxInt = int32ToAuxInt(4)
  9202  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9203  		v0.AuxInt = int64ToAuxInt(0)
  9204  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVWstore, types.TypeMem)
  9205  		v1.AddArg3(ptr, v0, mem)
  9206  		v.AddArg3(ptr, v0, v1)
  9207  		return true
  9208  	}
  9209  	// match: (Zero [8] {t} ptr mem)
  9210  	// cond: t.Alignment()%2 == 0
  9211  	// result: (MOVHstore [6] ptr (MOVDconst [0]) (MOVHstore [4] ptr (MOVDconst [0]) (MOVHstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem))))
  9212  	for {
  9213  		if auxIntToInt64(v.AuxInt) != 8 {
  9214  			break
  9215  		}
  9216  		t := auxToType(v.Aux)
  9217  		ptr := v_0
  9218  		mem := v_1
  9219  		if !(t.Alignment()%2 == 0) {
  9220  			break
  9221  		}
  9222  		v.reset(OpRISCV64MOVHstore)
  9223  		v.AuxInt = int32ToAuxInt(6)
  9224  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9225  		v0.AuxInt = int64ToAuxInt(0)
  9226  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  9227  		v1.AuxInt = int32ToAuxInt(4)
  9228  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  9229  		v2.AuxInt = int32ToAuxInt(2)
  9230  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  9231  		v3.AddArg3(ptr, v0, mem)
  9232  		v2.AddArg3(ptr, v0, v3)
  9233  		v1.AddArg3(ptr, v0, v2)
  9234  		v.AddArg3(ptr, v0, v1)
  9235  		return true
  9236  	}
  9237  	// match: (Zero [3] ptr mem)
  9238  	// result: (MOVBstore [2] ptr (MOVDconst [0]) (MOVBstore [1] ptr (MOVDconst [0]) (MOVBstore ptr (MOVDconst [0]) mem)))
  9239  	for {
  9240  		if auxIntToInt64(v.AuxInt) != 3 {
  9241  			break
  9242  		}
  9243  		ptr := v_0
  9244  		mem := v_1
  9245  		v.reset(OpRISCV64MOVBstore)
  9246  		v.AuxInt = int32ToAuxInt(2)
  9247  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9248  		v0.AuxInt = int64ToAuxInt(0)
  9249  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  9250  		v1.AuxInt = int32ToAuxInt(1)
  9251  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVBstore, types.TypeMem)
  9252  		v2.AddArg3(ptr, v0, mem)
  9253  		v1.AddArg3(ptr, v0, v2)
  9254  		v.AddArg3(ptr, v0, v1)
  9255  		return true
  9256  	}
  9257  	// match: (Zero [6] {t} ptr mem)
  9258  	// cond: t.Alignment()%2 == 0
  9259  	// result: (MOVHstore [4] ptr (MOVDconst [0]) (MOVHstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem)))
  9260  	for {
  9261  		if auxIntToInt64(v.AuxInt) != 6 {
  9262  			break
  9263  		}
  9264  		t := auxToType(v.Aux)
  9265  		ptr := v_0
  9266  		mem := v_1
  9267  		if !(t.Alignment()%2 == 0) {
  9268  			break
  9269  		}
  9270  		v.reset(OpRISCV64MOVHstore)
  9271  		v.AuxInt = int32ToAuxInt(4)
  9272  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9273  		v0.AuxInt = int64ToAuxInt(0)
  9274  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  9275  		v1.AuxInt = int32ToAuxInt(2)
  9276  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVHstore, types.TypeMem)
  9277  		v2.AddArg3(ptr, v0, mem)
  9278  		v1.AddArg3(ptr, v0, v2)
  9279  		v.AddArg3(ptr, v0, v1)
  9280  		return true
  9281  	}
  9282  	// match: (Zero [12] {t} ptr mem)
  9283  	// cond: t.Alignment()%4 == 0
  9284  	// result: (MOVWstore [8] ptr (MOVDconst [0]) (MOVWstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem)))
  9285  	for {
  9286  		if auxIntToInt64(v.AuxInt) != 12 {
  9287  			break
  9288  		}
  9289  		t := auxToType(v.Aux)
  9290  		ptr := v_0
  9291  		mem := v_1
  9292  		if !(t.Alignment()%4 == 0) {
  9293  			break
  9294  		}
  9295  		v.reset(OpRISCV64MOVWstore)
  9296  		v.AuxInt = int32ToAuxInt(8)
  9297  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9298  		v0.AuxInt = int64ToAuxInt(0)
  9299  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVWstore, types.TypeMem)
  9300  		v1.AuxInt = int32ToAuxInt(4)
  9301  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVWstore, types.TypeMem)
  9302  		v2.AddArg3(ptr, v0, mem)
  9303  		v1.AddArg3(ptr, v0, v2)
  9304  		v.AddArg3(ptr, v0, v1)
  9305  		return true
  9306  	}
  9307  	// match: (Zero [16] {t} ptr mem)
  9308  	// cond: t.Alignment()%8 == 0
  9309  	// result: (MOVDstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
  9310  	for {
  9311  		if auxIntToInt64(v.AuxInt) != 16 {
  9312  			break
  9313  		}
  9314  		t := auxToType(v.Aux)
  9315  		ptr := v_0
  9316  		mem := v_1
  9317  		if !(t.Alignment()%8 == 0) {
  9318  			break
  9319  		}
  9320  		v.reset(OpRISCV64MOVDstore)
  9321  		v.AuxInt = int32ToAuxInt(8)
  9322  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9323  		v0.AuxInt = int64ToAuxInt(0)
  9324  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  9325  		v1.AddArg3(ptr, v0, mem)
  9326  		v.AddArg3(ptr, v0, v1)
  9327  		return true
  9328  	}
  9329  	// match: (Zero [24] {t} ptr mem)
  9330  	// cond: t.Alignment()%8 == 0
  9331  	// result: (MOVDstore [16] ptr (MOVDconst [0]) (MOVDstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem)))
  9332  	for {
  9333  		if auxIntToInt64(v.AuxInt) != 24 {
  9334  			break
  9335  		}
  9336  		t := auxToType(v.Aux)
  9337  		ptr := v_0
  9338  		mem := v_1
  9339  		if !(t.Alignment()%8 == 0) {
  9340  			break
  9341  		}
  9342  		v.reset(OpRISCV64MOVDstore)
  9343  		v.AuxInt = int32ToAuxInt(16)
  9344  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9345  		v0.AuxInt = int64ToAuxInt(0)
  9346  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  9347  		v1.AuxInt = int32ToAuxInt(8)
  9348  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  9349  		v2.AddArg3(ptr, v0, mem)
  9350  		v1.AddArg3(ptr, v0, v2)
  9351  		v.AddArg3(ptr, v0, v1)
  9352  		return true
  9353  	}
  9354  	// match: (Zero [32] {t} ptr mem)
  9355  	// cond: t.Alignment()%8 == 0
  9356  	// result: (MOVDstore [24] ptr (MOVDconst [0]) (MOVDstore [16] ptr (MOVDconst [0]) (MOVDstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))))
  9357  	for {
  9358  		if auxIntToInt64(v.AuxInt) != 32 {
  9359  			break
  9360  		}
  9361  		t := auxToType(v.Aux)
  9362  		ptr := v_0
  9363  		mem := v_1
  9364  		if !(t.Alignment()%8 == 0) {
  9365  			break
  9366  		}
  9367  		v.reset(OpRISCV64MOVDstore)
  9368  		v.AuxInt = int32ToAuxInt(24)
  9369  		v0 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9370  		v0.AuxInt = int64ToAuxInt(0)
  9371  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  9372  		v1.AuxInt = int32ToAuxInt(16)
  9373  		v2 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  9374  		v2.AuxInt = int32ToAuxInt(8)
  9375  		v3 := b.NewValue0(v.Pos, OpRISCV64MOVDstore, types.TypeMem)
  9376  		v3.AddArg3(ptr, v0, mem)
  9377  		v2.AddArg3(ptr, v0, v3)
  9378  		v1.AddArg3(ptr, v0, v2)
  9379  		v.AddArg3(ptr, v0, v1)
  9380  		return true
  9381  	}
  9382  	// match: (Zero [s] {t} ptr mem)
  9383  	// cond: s%8 == 0 && s <= 8*128 && t.Alignment()%8 == 0
  9384  	// result: (DUFFZERO [8 * (128 - s/8)] ptr mem)
  9385  	for {
  9386  		s := auxIntToInt64(v.AuxInt)
  9387  		t := auxToType(v.Aux)
  9388  		ptr := v_0
  9389  		mem := v_1
  9390  		if !(s%8 == 0 && s <= 8*128 && t.Alignment()%8 == 0) {
  9391  			break
  9392  		}
  9393  		v.reset(OpRISCV64DUFFZERO)
  9394  		v.AuxInt = int64ToAuxInt(8 * (128 - s/8))
  9395  		v.AddArg2(ptr, mem)
  9396  		return true
  9397  	}
  9398  	// match: (Zero [s] {t} ptr mem)
  9399  	// result: (LoweredZero [t.Alignment()] ptr (ADD <ptr.Type> ptr (MOVDconst [s-moveSize(t.Alignment(), config)])) mem)
  9400  	for {
  9401  		s := auxIntToInt64(v.AuxInt)
  9402  		t := auxToType(v.Aux)
  9403  		ptr := v_0
  9404  		mem := v_1
  9405  		v.reset(OpRISCV64LoweredZero)
  9406  		v.AuxInt = int64ToAuxInt(t.Alignment())
  9407  		v0 := b.NewValue0(v.Pos, OpRISCV64ADD, ptr.Type)
  9408  		v1 := b.NewValue0(v.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9409  		v1.AuxInt = int64ToAuxInt(s - moveSize(t.Alignment(), config))
  9410  		v0.AddArg2(ptr, v1)
  9411  		v.AddArg3(ptr, v0, mem)
  9412  		return true
  9413  	}
  9414  }
  9415  func rewriteBlockRISCV64(b *Block) bool {
  9416  	typ := &b.Func.Config.Types
  9417  	switch b.Kind {
  9418  	case BlockRISCV64BEQ:
  9419  		// match: (BEQ (MOVDconst [0]) cond yes no)
  9420  		// result: (BEQZ cond yes no)
  9421  		for b.Controls[0].Op == OpRISCV64MOVDconst {
  9422  			v_0 := b.Controls[0]
  9423  			if auxIntToInt64(v_0.AuxInt) != 0 {
  9424  				break
  9425  			}
  9426  			cond := b.Controls[1]
  9427  			b.resetWithControl(BlockRISCV64BEQZ, cond)
  9428  			return true
  9429  		}
  9430  		// match: (BEQ cond (MOVDconst [0]) yes no)
  9431  		// result: (BEQZ cond yes no)
  9432  		for b.Controls[1].Op == OpRISCV64MOVDconst {
  9433  			cond := b.Controls[0]
  9434  			v_1 := b.Controls[1]
  9435  			if auxIntToInt64(v_1.AuxInt) != 0 {
  9436  				break
  9437  			}
  9438  			b.resetWithControl(BlockRISCV64BEQZ, cond)
  9439  			return true
  9440  		}
  9441  	case BlockRISCV64BEQZ:
  9442  		// match: (BEQZ (SEQZ x) yes no)
  9443  		// result: (BNEZ x yes no)
  9444  		for b.Controls[0].Op == OpRISCV64SEQZ {
  9445  			v_0 := b.Controls[0]
  9446  			x := v_0.Args[0]
  9447  			b.resetWithControl(BlockRISCV64BNEZ, x)
  9448  			return true
  9449  		}
  9450  		// match: (BEQZ (SNEZ x) yes no)
  9451  		// result: (BEQZ x yes no)
  9452  		for b.Controls[0].Op == OpRISCV64SNEZ {
  9453  			v_0 := b.Controls[0]
  9454  			x := v_0.Args[0]
  9455  			b.resetWithControl(BlockRISCV64BEQZ, x)
  9456  			return true
  9457  		}
  9458  		// match: (BEQZ (NEG x) yes no)
  9459  		// result: (BEQZ x yes no)
  9460  		for b.Controls[0].Op == OpRISCV64NEG {
  9461  			v_0 := b.Controls[0]
  9462  			x := v_0.Args[0]
  9463  			b.resetWithControl(BlockRISCV64BEQZ, x)
  9464  			return true
  9465  		}
  9466  		// match: (BEQZ (FNES <t> x y) yes no)
  9467  		// result: (BNEZ (FEQS <t> x y) yes no)
  9468  		for b.Controls[0].Op == OpRISCV64FNES {
  9469  			v_0 := b.Controls[0]
  9470  			t := v_0.Type
  9471  			_ = v_0.Args[1]
  9472  			v_0_0 := v_0.Args[0]
  9473  			v_0_1 := v_0.Args[1]
  9474  			for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 {
  9475  				x := v_0_0
  9476  				y := v_0_1
  9477  				v0 := b.NewValue0(v_0.Pos, OpRISCV64FEQS, t)
  9478  				v0.AddArg2(x, y)
  9479  				b.resetWithControl(BlockRISCV64BNEZ, v0)
  9480  				return true
  9481  			}
  9482  		}
  9483  		// match: (BEQZ (FNED <t> x y) yes no)
  9484  		// result: (BNEZ (FEQD <t> x y) yes no)
  9485  		for b.Controls[0].Op == OpRISCV64FNED {
  9486  			v_0 := b.Controls[0]
  9487  			t := v_0.Type
  9488  			_ = v_0.Args[1]
  9489  			v_0_0 := v_0.Args[0]
  9490  			v_0_1 := v_0.Args[1]
  9491  			for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 {
  9492  				x := v_0_0
  9493  				y := v_0_1
  9494  				v0 := b.NewValue0(v_0.Pos, OpRISCV64FEQD, t)
  9495  				v0.AddArg2(x, y)
  9496  				b.resetWithControl(BlockRISCV64BNEZ, v0)
  9497  				return true
  9498  			}
  9499  		}
  9500  		// match: (BEQZ (SUB x y) yes no)
  9501  		// result: (BEQ x y yes no)
  9502  		for b.Controls[0].Op == OpRISCV64SUB {
  9503  			v_0 := b.Controls[0]
  9504  			y := v_0.Args[1]
  9505  			x := v_0.Args[0]
  9506  			b.resetWithControl2(BlockRISCV64BEQ, x, y)
  9507  			return true
  9508  		}
  9509  		// match: (BEQZ (SLT x y) yes no)
  9510  		// result: (BGE x y yes no)
  9511  		for b.Controls[0].Op == OpRISCV64SLT {
  9512  			v_0 := b.Controls[0]
  9513  			y := v_0.Args[1]
  9514  			x := v_0.Args[0]
  9515  			b.resetWithControl2(BlockRISCV64BGE, x, y)
  9516  			return true
  9517  		}
  9518  		// match: (BEQZ (SLTU x y) yes no)
  9519  		// result: (BGEU x y yes no)
  9520  		for b.Controls[0].Op == OpRISCV64SLTU {
  9521  			v_0 := b.Controls[0]
  9522  			y := v_0.Args[1]
  9523  			x := v_0.Args[0]
  9524  			b.resetWithControl2(BlockRISCV64BGEU, x, y)
  9525  			return true
  9526  		}
  9527  		// match: (BEQZ (SLTI [x] y) yes no)
  9528  		// result: (BGE y (MOVDconst [x]) yes no)
  9529  		for b.Controls[0].Op == OpRISCV64SLTI {
  9530  			v_0 := b.Controls[0]
  9531  			x := auxIntToInt64(v_0.AuxInt)
  9532  			y := v_0.Args[0]
  9533  			v0 := b.NewValue0(b.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9534  			v0.AuxInt = int64ToAuxInt(x)
  9535  			b.resetWithControl2(BlockRISCV64BGE, y, v0)
  9536  			return true
  9537  		}
  9538  		// match: (BEQZ (SLTIU [x] y) yes no)
  9539  		// result: (BGEU y (MOVDconst [x]) yes no)
  9540  		for b.Controls[0].Op == OpRISCV64SLTIU {
  9541  			v_0 := b.Controls[0]
  9542  			x := auxIntToInt64(v_0.AuxInt)
  9543  			y := v_0.Args[0]
  9544  			v0 := b.NewValue0(b.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9545  			v0.AuxInt = int64ToAuxInt(x)
  9546  			b.resetWithControl2(BlockRISCV64BGEU, y, v0)
  9547  			return true
  9548  		}
  9549  	case BlockRISCV64BGE:
  9550  		// match: (BGE (MOVDconst [0]) cond yes no)
  9551  		// result: (BLEZ cond yes no)
  9552  		for b.Controls[0].Op == OpRISCV64MOVDconst {
  9553  			v_0 := b.Controls[0]
  9554  			if auxIntToInt64(v_0.AuxInt) != 0 {
  9555  				break
  9556  			}
  9557  			cond := b.Controls[1]
  9558  			b.resetWithControl(BlockRISCV64BLEZ, cond)
  9559  			return true
  9560  		}
  9561  		// match: (BGE cond (MOVDconst [0]) yes no)
  9562  		// result: (BGEZ cond yes no)
  9563  		for b.Controls[1].Op == OpRISCV64MOVDconst {
  9564  			cond := b.Controls[0]
  9565  			v_1 := b.Controls[1]
  9566  			if auxIntToInt64(v_1.AuxInt) != 0 {
  9567  				break
  9568  			}
  9569  			b.resetWithControl(BlockRISCV64BGEZ, cond)
  9570  			return true
  9571  		}
  9572  	case BlockRISCV64BGEU:
  9573  		// match: (BGEU (MOVDconst [0]) cond yes no)
  9574  		// result: (BEQZ cond yes no)
  9575  		for b.Controls[0].Op == OpRISCV64MOVDconst {
  9576  			v_0 := b.Controls[0]
  9577  			if auxIntToInt64(v_0.AuxInt) != 0 {
  9578  				break
  9579  			}
  9580  			cond := b.Controls[1]
  9581  			b.resetWithControl(BlockRISCV64BEQZ, cond)
  9582  			return true
  9583  		}
  9584  	case BlockRISCV64BLT:
  9585  		// match: (BLT (MOVDconst [0]) cond yes no)
  9586  		// result: (BGTZ cond yes no)
  9587  		for b.Controls[0].Op == OpRISCV64MOVDconst {
  9588  			v_0 := b.Controls[0]
  9589  			if auxIntToInt64(v_0.AuxInt) != 0 {
  9590  				break
  9591  			}
  9592  			cond := b.Controls[1]
  9593  			b.resetWithControl(BlockRISCV64BGTZ, cond)
  9594  			return true
  9595  		}
  9596  		// match: (BLT cond (MOVDconst [0]) yes no)
  9597  		// result: (BLTZ cond yes no)
  9598  		for b.Controls[1].Op == OpRISCV64MOVDconst {
  9599  			cond := b.Controls[0]
  9600  			v_1 := b.Controls[1]
  9601  			if auxIntToInt64(v_1.AuxInt) != 0 {
  9602  				break
  9603  			}
  9604  			b.resetWithControl(BlockRISCV64BLTZ, cond)
  9605  			return true
  9606  		}
  9607  	case BlockRISCV64BLTU:
  9608  		// match: (BLTU (MOVDconst [0]) cond yes no)
  9609  		// result: (BNEZ cond yes no)
  9610  		for b.Controls[0].Op == OpRISCV64MOVDconst {
  9611  			v_0 := b.Controls[0]
  9612  			if auxIntToInt64(v_0.AuxInt) != 0 {
  9613  				break
  9614  			}
  9615  			cond := b.Controls[1]
  9616  			b.resetWithControl(BlockRISCV64BNEZ, cond)
  9617  			return true
  9618  		}
  9619  	case BlockRISCV64BNE:
  9620  		// match: (BNE (MOVDconst [0]) cond yes no)
  9621  		// result: (BNEZ cond yes no)
  9622  		for b.Controls[0].Op == OpRISCV64MOVDconst {
  9623  			v_0 := b.Controls[0]
  9624  			if auxIntToInt64(v_0.AuxInt) != 0 {
  9625  				break
  9626  			}
  9627  			cond := b.Controls[1]
  9628  			b.resetWithControl(BlockRISCV64BNEZ, cond)
  9629  			return true
  9630  		}
  9631  		// match: (BNE cond (MOVDconst [0]) yes no)
  9632  		// result: (BNEZ cond yes no)
  9633  		for b.Controls[1].Op == OpRISCV64MOVDconst {
  9634  			cond := b.Controls[0]
  9635  			v_1 := b.Controls[1]
  9636  			if auxIntToInt64(v_1.AuxInt) != 0 {
  9637  				break
  9638  			}
  9639  			b.resetWithControl(BlockRISCV64BNEZ, cond)
  9640  			return true
  9641  		}
  9642  	case BlockRISCV64BNEZ:
  9643  		// match: (BNEZ (SEQZ x) yes no)
  9644  		// result: (BEQZ x yes no)
  9645  		for b.Controls[0].Op == OpRISCV64SEQZ {
  9646  			v_0 := b.Controls[0]
  9647  			x := v_0.Args[0]
  9648  			b.resetWithControl(BlockRISCV64BEQZ, x)
  9649  			return true
  9650  		}
  9651  		// match: (BNEZ (SNEZ x) yes no)
  9652  		// result: (BNEZ x yes no)
  9653  		for b.Controls[0].Op == OpRISCV64SNEZ {
  9654  			v_0 := b.Controls[0]
  9655  			x := v_0.Args[0]
  9656  			b.resetWithControl(BlockRISCV64BNEZ, x)
  9657  			return true
  9658  		}
  9659  		// match: (BNEZ (NEG x) yes no)
  9660  		// result: (BNEZ x yes no)
  9661  		for b.Controls[0].Op == OpRISCV64NEG {
  9662  			v_0 := b.Controls[0]
  9663  			x := v_0.Args[0]
  9664  			b.resetWithControl(BlockRISCV64BNEZ, x)
  9665  			return true
  9666  		}
  9667  		// match: (BNEZ (FNES <t> x y) yes no)
  9668  		// result: (BEQZ (FEQS <t> x y) yes no)
  9669  		for b.Controls[0].Op == OpRISCV64FNES {
  9670  			v_0 := b.Controls[0]
  9671  			t := v_0.Type
  9672  			_ = v_0.Args[1]
  9673  			v_0_0 := v_0.Args[0]
  9674  			v_0_1 := v_0.Args[1]
  9675  			for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 {
  9676  				x := v_0_0
  9677  				y := v_0_1
  9678  				v0 := b.NewValue0(v_0.Pos, OpRISCV64FEQS, t)
  9679  				v0.AddArg2(x, y)
  9680  				b.resetWithControl(BlockRISCV64BEQZ, v0)
  9681  				return true
  9682  			}
  9683  		}
  9684  		// match: (BNEZ (FNED <t> x y) yes no)
  9685  		// result: (BEQZ (FEQD <t> x y) yes no)
  9686  		for b.Controls[0].Op == OpRISCV64FNED {
  9687  			v_0 := b.Controls[0]
  9688  			t := v_0.Type
  9689  			_ = v_0.Args[1]
  9690  			v_0_0 := v_0.Args[0]
  9691  			v_0_1 := v_0.Args[1]
  9692  			for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 {
  9693  				x := v_0_0
  9694  				y := v_0_1
  9695  				v0 := b.NewValue0(v_0.Pos, OpRISCV64FEQD, t)
  9696  				v0.AddArg2(x, y)
  9697  				b.resetWithControl(BlockRISCV64BEQZ, v0)
  9698  				return true
  9699  			}
  9700  		}
  9701  		// match: (BNEZ (SUB x y) yes no)
  9702  		// result: (BNE x y yes no)
  9703  		for b.Controls[0].Op == OpRISCV64SUB {
  9704  			v_0 := b.Controls[0]
  9705  			y := v_0.Args[1]
  9706  			x := v_0.Args[0]
  9707  			b.resetWithControl2(BlockRISCV64BNE, x, y)
  9708  			return true
  9709  		}
  9710  		// match: (BNEZ (SLT x y) yes no)
  9711  		// result: (BLT x y yes no)
  9712  		for b.Controls[0].Op == OpRISCV64SLT {
  9713  			v_0 := b.Controls[0]
  9714  			y := v_0.Args[1]
  9715  			x := v_0.Args[0]
  9716  			b.resetWithControl2(BlockRISCV64BLT, x, y)
  9717  			return true
  9718  		}
  9719  		// match: (BNEZ (SLTU x y) yes no)
  9720  		// result: (BLTU x y yes no)
  9721  		for b.Controls[0].Op == OpRISCV64SLTU {
  9722  			v_0 := b.Controls[0]
  9723  			y := v_0.Args[1]
  9724  			x := v_0.Args[0]
  9725  			b.resetWithControl2(BlockRISCV64BLTU, x, y)
  9726  			return true
  9727  		}
  9728  		// match: (BNEZ (SLTI [x] y) yes no)
  9729  		// result: (BLT y (MOVDconst [x]) yes no)
  9730  		for b.Controls[0].Op == OpRISCV64SLTI {
  9731  			v_0 := b.Controls[0]
  9732  			x := auxIntToInt64(v_0.AuxInt)
  9733  			y := v_0.Args[0]
  9734  			v0 := b.NewValue0(b.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9735  			v0.AuxInt = int64ToAuxInt(x)
  9736  			b.resetWithControl2(BlockRISCV64BLT, y, v0)
  9737  			return true
  9738  		}
  9739  		// match: (BNEZ (SLTIU [x] y) yes no)
  9740  		// result: (BLTU y (MOVDconst [x]) yes no)
  9741  		for b.Controls[0].Op == OpRISCV64SLTIU {
  9742  			v_0 := b.Controls[0]
  9743  			x := auxIntToInt64(v_0.AuxInt)
  9744  			y := v_0.Args[0]
  9745  			v0 := b.NewValue0(b.Pos, OpRISCV64MOVDconst, typ.UInt64)
  9746  			v0.AuxInt = int64ToAuxInt(x)
  9747  			b.resetWithControl2(BlockRISCV64BLTU, y, v0)
  9748  			return true
  9749  		}
  9750  	case BlockIf:
  9751  		// match: (If cond yes no)
  9752  		// result: (BNEZ (MOVBUreg <typ.UInt64> cond) yes no)
  9753  		for {
  9754  			cond := b.Controls[0]
  9755  			v0 := b.NewValue0(cond.Pos, OpRISCV64MOVBUreg, typ.UInt64)
  9756  			v0.AddArg(cond)
  9757  			b.resetWithControl(BlockRISCV64BNEZ, v0)
  9758  			return true
  9759  		}
  9760  	}
  9761  	return false
  9762  }
  9763  

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