github.com/gocuntian/go@v0.0.0-20160610041250-fee02d270bf8/src/cmd/compile/internal/ssa/rewritegeneric.go (about)

     1  // autogenerated from gen/generic.rules: do not edit!
     2  // generated with: cd gen; go run *.go
     3  
     4  package ssa
     5  
     6  import "math"
     7  
     8  var _ = math.MinInt8 // in case not otherwise used
     9  func rewriteValuegeneric(v *Value, config *Config) bool {
    10  	switch v.Op {
    11  	case OpAdd16:
    12  		return rewriteValuegeneric_OpAdd16(v, config)
    13  	case OpAdd32:
    14  		return rewriteValuegeneric_OpAdd32(v, config)
    15  	case OpAdd32F:
    16  		return rewriteValuegeneric_OpAdd32F(v, config)
    17  	case OpAdd64:
    18  		return rewriteValuegeneric_OpAdd64(v, config)
    19  	case OpAdd64F:
    20  		return rewriteValuegeneric_OpAdd64F(v, config)
    21  	case OpAdd8:
    22  		return rewriteValuegeneric_OpAdd8(v, config)
    23  	case OpAddPtr:
    24  		return rewriteValuegeneric_OpAddPtr(v, config)
    25  	case OpAnd16:
    26  		return rewriteValuegeneric_OpAnd16(v, config)
    27  	case OpAnd32:
    28  		return rewriteValuegeneric_OpAnd32(v, config)
    29  	case OpAnd64:
    30  		return rewriteValuegeneric_OpAnd64(v, config)
    31  	case OpAnd8:
    32  		return rewriteValuegeneric_OpAnd8(v, config)
    33  	case OpArg:
    34  		return rewriteValuegeneric_OpArg(v, config)
    35  	case OpArrayIndex:
    36  		return rewriteValuegeneric_OpArrayIndex(v, config)
    37  	case OpCom16:
    38  		return rewriteValuegeneric_OpCom16(v, config)
    39  	case OpCom32:
    40  		return rewriteValuegeneric_OpCom32(v, config)
    41  	case OpCom64:
    42  		return rewriteValuegeneric_OpCom64(v, config)
    43  	case OpCom8:
    44  		return rewriteValuegeneric_OpCom8(v, config)
    45  	case OpConstInterface:
    46  		return rewriteValuegeneric_OpConstInterface(v, config)
    47  	case OpConstSlice:
    48  		return rewriteValuegeneric_OpConstSlice(v, config)
    49  	case OpConstString:
    50  		return rewriteValuegeneric_OpConstString(v, config)
    51  	case OpConvert:
    52  		return rewriteValuegeneric_OpConvert(v, config)
    53  	case OpCvt32Fto64F:
    54  		return rewriteValuegeneric_OpCvt32Fto64F(v, config)
    55  	case OpCvt64Fto32F:
    56  		return rewriteValuegeneric_OpCvt64Fto32F(v, config)
    57  	case OpDiv64:
    58  		return rewriteValuegeneric_OpDiv64(v, config)
    59  	case OpDiv64u:
    60  		return rewriteValuegeneric_OpDiv64u(v, config)
    61  	case OpEq16:
    62  		return rewriteValuegeneric_OpEq16(v, config)
    63  	case OpEq32:
    64  		return rewriteValuegeneric_OpEq32(v, config)
    65  	case OpEq64:
    66  		return rewriteValuegeneric_OpEq64(v, config)
    67  	case OpEq8:
    68  		return rewriteValuegeneric_OpEq8(v, config)
    69  	case OpEqB:
    70  		return rewriteValuegeneric_OpEqB(v, config)
    71  	case OpEqInter:
    72  		return rewriteValuegeneric_OpEqInter(v, config)
    73  	case OpEqPtr:
    74  		return rewriteValuegeneric_OpEqPtr(v, config)
    75  	case OpEqSlice:
    76  		return rewriteValuegeneric_OpEqSlice(v, config)
    77  	case OpGeq16:
    78  		return rewriteValuegeneric_OpGeq16(v, config)
    79  	case OpGeq16U:
    80  		return rewriteValuegeneric_OpGeq16U(v, config)
    81  	case OpGeq32:
    82  		return rewriteValuegeneric_OpGeq32(v, config)
    83  	case OpGeq32U:
    84  		return rewriteValuegeneric_OpGeq32U(v, config)
    85  	case OpGeq64:
    86  		return rewriteValuegeneric_OpGeq64(v, config)
    87  	case OpGeq64U:
    88  		return rewriteValuegeneric_OpGeq64U(v, config)
    89  	case OpGeq8:
    90  		return rewriteValuegeneric_OpGeq8(v, config)
    91  	case OpGeq8U:
    92  		return rewriteValuegeneric_OpGeq8U(v, config)
    93  	case OpGreater16:
    94  		return rewriteValuegeneric_OpGreater16(v, config)
    95  	case OpGreater16U:
    96  		return rewriteValuegeneric_OpGreater16U(v, config)
    97  	case OpGreater32:
    98  		return rewriteValuegeneric_OpGreater32(v, config)
    99  	case OpGreater32U:
   100  		return rewriteValuegeneric_OpGreater32U(v, config)
   101  	case OpGreater64:
   102  		return rewriteValuegeneric_OpGreater64(v, config)
   103  	case OpGreater64U:
   104  		return rewriteValuegeneric_OpGreater64U(v, config)
   105  	case OpGreater8:
   106  		return rewriteValuegeneric_OpGreater8(v, config)
   107  	case OpGreater8U:
   108  		return rewriteValuegeneric_OpGreater8U(v, config)
   109  	case OpIsInBounds:
   110  		return rewriteValuegeneric_OpIsInBounds(v, config)
   111  	case OpIsSliceInBounds:
   112  		return rewriteValuegeneric_OpIsSliceInBounds(v, config)
   113  	case OpLeq16:
   114  		return rewriteValuegeneric_OpLeq16(v, config)
   115  	case OpLeq16U:
   116  		return rewriteValuegeneric_OpLeq16U(v, config)
   117  	case OpLeq32:
   118  		return rewriteValuegeneric_OpLeq32(v, config)
   119  	case OpLeq32U:
   120  		return rewriteValuegeneric_OpLeq32U(v, config)
   121  	case OpLeq64:
   122  		return rewriteValuegeneric_OpLeq64(v, config)
   123  	case OpLeq64U:
   124  		return rewriteValuegeneric_OpLeq64U(v, config)
   125  	case OpLeq8:
   126  		return rewriteValuegeneric_OpLeq8(v, config)
   127  	case OpLeq8U:
   128  		return rewriteValuegeneric_OpLeq8U(v, config)
   129  	case OpLess16:
   130  		return rewriteValuegeneric_OpLess16(v, config)
   131  	case OpLess16U:
   132  		return rewriteValuegeneric_OpLess16U(v, config)
   133  	case OpLess32:
   134  		return rewriteValuegeneric_OpLess32(v, config)
   135  	case OpLess32U:
   136  		return rewriteValuegeneric_OpLess32U(v, config)
   137  	case OpLess64:
   138  		return rewriteValuegeneric_OpLess64(v, config)
   139  	case OpLess64U:
   140  		return rewriteValuegeneric_OpLess64U(v, config)
   141  	case OpLess8:
   142  		return rewriteValuegeneric_OpLess8(v, config)
   143  	case OpLess8U:
   144  		return rewriteValuegeneric_OpLess8U(v, config)
   145  	case OpLoad:
   146  		return rewriteValuegeneric_OpLoad(v, config)
   147  	case OpLsh16x16:
   148  		return rewriteValuegeneric_OpLsh16x16(v, config)
   149  	case OpLsh16x32:
   150  		return rewriteValuegeneric_OpLsh16x32(v, config)
   151  	case OpLsh16x64:
   152  		return rewriteValuegeneric_OpLsh16x64(v, config)
   153  	case OpLsh16x8:
   154  		return rewriteValuegeneric_OpLsh16x8(v, config)
   155  	case OpLsh32x16:
   156  		return rewriteValuegeneric_OpLsh32x16(v, config)
   157  	case OpLsh32x32:
   158  		return rewriteValuegeneric_OpLsh32x32(v, config)
   159  	case OpLsh32x64:
   160  		return rewriteValuegeneric_OpLsh32x64(v, config)
   161  	case OpLsh32x8:
   162  		return rewriteValuegeneric_OpLsh32x8(v, config)
   163  	case OpLsh64x16:
   164  		return rewriteValuegeneric_OpLsh64x16(v, config)
   165  	case OpLsh64x32:
   166  		return rewriteValuegeneric_OpLsh64x32(v, config)
   167  	case OpLsh64x64:
   168  		return rewriteValuegeneric_OpLsh64x64(v, config)
   169  	case OpLsh64x8:
   170  		return rewriteValuegeneric_OpLsh64x8(v, config)
   171  	case OpLsh8x16:
   172  		return rewriteValuegeneric_OpLsh8x16(v, config)
   173  	case OpLsh8x32:
   174  		return rewriteValuegeneric_OpLsh8x32(v, config)
   175  	case OpLsh8x64:
   176  		return rewriteValuegeneric_OpLsh8x64(v, config)
   177  	case OpLsh8x8:
   178  		return rewriteValuegeneric_OpLsh8x8(v, config)
   179  	case OpMod16:
   180  		return rewriteValuegeneric_OpMod16(v, config)
   181  	case OpMod16u:
   182  		return rewriteValuegeneric_OpMod16u(v, config)
   183  	case OpMod32:
   184  		return rewriteValuegeneric_OpMod32(v, config)
   185  	case OpMod32u:
   186  		return rewriteValuegeneric_OpMod32u(v, config)
   187  	case OpMod64:
   188  		return rewriteValuegeneric_OpMod64(v, config)
   189  	case OpMod64u:
   190  		return rewriteValuegeneric_OpMod64u(v, config)
   191  	case OpMod8:
   192  		return rewriteValuegeneric_OpMod8(v, config)
   193  	case OpMod8u:
   194  		return rewriteValuegeneric_OpMod8u(v, config)
   195  	case OpMul16:
   196  		return rewriteValuegeneric_OpMul16(v, config)
   197  	case OpMul32:
   198  		return rewriteValuegeneric_OpMul32(v, config)
   199  	case OpMul32F:
   200  		return rewriteValuegeneric_OpMul32F(v, config)
   201  	case OpMul64:
   202  		return rewriteValuegeneric_OpMul64(v, config)
   203  	case OpMul64F:
   204  		return rewriteValuegeneric_OpMul64F(v, config)
   205  	case OpMul8:
   206  		return rewriteValuegeneric_OpMul8(v, config)
   207  	case OpNeg16:
   208  		return rewriteValuegeneric_OpNeg16(v, config)
   209  	case OpNeg32:
   210  		return rewriteValuegeneric_OpNeg32(v, config)
   211  	case OpNeg64:
   212  		return rewriteValuegeneric_OpNeg64(v, config)
   213  	case OpNeg8:
   214  		return rewriteValuegeneric_OpNeg8(v, config)
   215  	case OpNeq16:
   216  		return rewriteValuegeneric_OpNeq16(v, config)
   217  	case OpNeq32:
   218  		return rewriteValuegeneric_OpNeq32(v, config)
   219  	case OpNeq64:
   220  		return rewriteValuegeneric_OpNeq64(v, config)
   221  	case OpNeq8:
   222  		return rewriteValuegeneric_OpNeq8(v, config)
   223  	case OpNeqB:
   224  		return rewriteValuegeneric_OpNeqB(v, config)
   225  	case OpNeqInter:
   226  		return rewriteValuegeneric_OpNeqInter(v, config)
   227  	case OpNeqPtr:
   228  		return rewriteValuegeneric_OpNeqPtr(v, config)
   229  	case OpNeqSlice:
   230  		return rewriteValuegeneric_OpNeqSlice(v, config)
   231  	case OpOffPtr:
   232  		return rewriteValuegeneric_OpOffPtr(v, config)
   233  	case OpOr16:
   234  		return rewriteValuegeneric_OpOr16(v, config)
   235  	case OpOr32:
   236  		return rewriteValuegeneric_OpOr32(v, config)
   237  	case OpOr64:
   238  		return rewriteValuegeneric_OpOr64(v, config)
   239  	case OpOr8:
   240  		return rewriteValuegeneric_OpOr8(v, config)
   241  	case OpPhi:
   242  		return rewriteValuegeneric_OpPhi(v, config)
   243  	case OpPtrIndex:
   244  		return rewriteValuegeneric_OpPtrIndex(v, config)
   245  	case OpRsh16Ux16:
   246  		return rewriteValuegeneric_OpRsh16Ux16(v, config)
   247  	case OpRsh16Ux32:
   248  		return rewriteValuegeneric_OpRsh16Ux32(v, config)
   249  	case OpRsh16Ux64:
   250  		return rewriteValuegeneric_OpRsh16Ux64(v, config)
   251  	case OpRsh16Ux8:
   252  		return rewriteValuegeneric_OpRsh16Ux8(v, config)
   253  	case OpRsh16x16:
   254  		return rewriteValuegeneric_OpRsh16x16(v, config)
   255  	case OpRsh16x32:
   256  		return rewriteValuegeneric_OpRsh16x32(v, config)
   257  	case OpRsh16x64:
   258  		return rewriteValuegeneric_OpRsh16x64(v, config)
   259  	case OpRsh16x8:
   260  		return rewriteValuegeneric_OpRsh16x8(v, config)
   261  	case OpRsh32Ux16:
   262  		return rewriteValuegeneric_OpRsh32Ux16(v, config)
   263  	case OpRsh32Ux32:
   264  		return rewriteValuegeneric_OpRsh32Ux32(v, config)
   265  	case OpRsh32Ux64:
   266  		return rewriteValuegeneric_OpRsh32Ux64(v, config)
   267  	case OpRsh32Ux8:
   268  		return rewriteValuegeneric_OpRsh32Ux8(v, config)
   269  	case OpRsh32x16:
   270  		return rewriteValuegeneric_OpRsh32x16(v, config)
   271  	case OpRsh32x32:
   272  		return rewriteValuegeneric_OpRsh32x32(v, config)
   273  	case OpRsh32x64:
   274  		return rewriteValuegeneric_OpRsh32x64(v, config)
   275  	case OpRsh32x8:
   276  		return rewriteValuegeneric_OpRsh32x8(v, config)
   277  	case OpRsh64Ux16:
   278  		return rewriteValuegeneric_OpRsh64Ux16(v, config)
   279  	case OpRsh64Ux32:
   280  		return rewriteValuegeneric_OpRsh64Ux32(v, config)
   281  	case OpRsh64Ux64:
   282  		return rewriteValuegeneric_OpRsh64Ux64(v, config)
   283  	case OpRsh64Ux8:
   284  		return rewriteValuegeneric_OpRsh64Ux8(v, config)
   285  	case OpRsh64x16:
   286  		return rewriteValuegeneric_OpRsh64x16(v, config)
   287  	case OpRsh64x32:
   288  		return rewriteValuegeneric_OpRsh64x32(v, config)
   289  	case OpRsh64x64:
   290  		return rewriteValuegeneric_OpRsh64x64(v, config)
   291  	case OpRsh64x8:
   292  		return rewriteValuegeneric_OpRsh64x8(v, config)
   293  	case OpRsh8Ux16:
   294  		return rewriteValuegeneric_OpRsh8Ux16(v, config)
   295  	case OpRsh8Ux32:
   296  		return rewriteValuegeneric_OpRsh8Ux32(v, config)
   297  	case OpRsh8Ux64:
   298  		return rewriteValuegeneric_OpRsh8Ux64(v, config)
   299  	case OpRsh8Ux8:
   300  		return rewriteValuegeneric_OpRsh8Ux8(v, config)
   301  	case OpRsh8x16:
   302  		return rewriteValuegeneric_OpRsh8x16(v, config)
   303  	case OpRsh8x32:
   304  		return rewriteValuegeneric_OpRsh8x32(v, config)
   305  	case OpRsh8x64:
   306  		return rewriteValuegeneric_OpRsh8x64(v, config)
   307  	case OpRsh8x8:
   308  		return rewriteValuegeneric_OpRsh8x8(v, config)
   309  	case OpSliceCap:
   310  		return rewriteValuegeneric_OpSliceCap(v, config)
   311  	case OpSliceLen:
   312  		return rewriteValuegeneric_OpSliceLen(v, config)
   313  	case OpSlicePtr:
   314  		return rewriteValuegeneric_OpSlicePtr(v, config)
   315  	case OpStore:
   316  		return rewriteValuegeneric_OpStore(v, config)
   317  	case OpStringLen:
   318  		return rewriteValuegeneric_OpStringLen(v, config)
   319  	case OpStringPtr:
   320  		return rewriteValuegeneric_OpStringPtr(v, config)
   321  	case OpStructSelect:
   322  		return rewriteValuegeneric_OpStructSelect(v, config)
   323  	case OpSub16:
   324  		return rewriteValuegeneric_OpSub16(v, config)
   325  	case OpSub32:
   326  		return rewriteValuegeneric_OpSub32(v, config)
   327  	case OpSub32F:
   328  		return rewriteValuegeneric_OpSub32F(v, config)
   329  	case OpSub64:
   330  		return rewriteValuegeneric_OpSub64(v, config)
   331  	case OpSub64F:
   332  		return rewriteValuegeneric_OpSub64F(v, config)
   333  	case OpSub8:
   334  		return rewriteValuegeneric_OpSub8(v, config)
   335  	case OpTrunc16to8:
   336  		return rewriteValuegeneric_OpTrunc16to8(v, config)
   337  	case OpTrunc32to16:
   338  		return rewriteValuegeneric_OpTrunc32to16(v, config)
   339  	case OpTrunc32to8:
   340  		return rewriteValuegeneric_OpTrunc32to8(v, config)
   341  	case OpTrunc64to16:
   342  		return rewriteValuegeneric_OpTrunc64to16(v, config)
   343  	case OpTrunc64to32:
   344  		return rewriteValuegeneric_OpTrunc64to32(v, config)
   345  	case OpTrunc64to8:
   346  		return rewriteValuegeneric_OpTrunc64to8(v, config)
   347  	case OpXor16:
   348  		return rewriteValuegeneric_OpXor16(v, config)
   349  	case OpXor32:
   350  		return rewriteValuegeneric_OpXor32(v, config)
   351  	case OpXor64:
   352  		return rewriteValuegeneric_OpXor64(v, config)
   353  	case OpXor8:
   354  		return rewriteValuegeneric_OpXor8(v, config)
   355  	}
   356  	return false
   357  }
   358  func rewriteValuegeneric_OpAdd16(v *Value, config *Config) bool {
   359  	b := v.Block
   360  	_ = b
   361  	// match: (Add16  (Const16 [c])  (Const16 [d]))
   362  	// cond:
   363  	// result: (Const16 [int64(int16(c+d))])
   364  	for {
   365  		v_0 := v.Args[0]
   366  		if v_0.Op != OpConst16 {
   367  			break
   368  		}
   369  		c := v_0.AuxInt
   370  		v_1 := v.Args[1]
   371  		if v_1.Op != OpConst16 {
   372  			break
   373  		}
   374  		d := v_1.AuxInt
   375  		v.reset(OpConst16)
   376  		v.AuxInt = int64(int16(c + d))
   377  		return true
   378  	}
   379  	// match: (Add16 x (Const16 <t> [c]))
   380  	// cond: x.Op != OpConst16
   381  	// result: (Add16 (Const16 <t> [c]) x)
   382  	for {
   383  		x := v.Args[0]
   384  		v_1 := v.Args[1]
   385  		if v_1.Op != OpConst16 {
   386  			break
   387  		}
   388  		t := v_1.Type
   389  		c := v_1.AuxInt
   390  		if !(x.Op != OpConst16) {
   391  			break
   392  		}
   393  		v.reset(OpAdd16)
   394  		v0 := b.NewValue0(v.Line, OpConst16, t)
   395  		v0.AuxInt = c
   396  		v.AddArg(v0)
   397  		v.AddArg(x)
   398  		return true
   399  	}
   400  	// match: (Add16 (Const16 [0]) x)
   401  	// cond:
   402  	// result: x
   403  	for {
   404  		v_0 := v.Args[0]
   405  		if v_0.Op != OpConst16 {
   406  			break
   407  		}
   408  		if v_0.AuxInt != 0 {
   409  			break
   410  		}
   411  		x := v.Args[1]
   412  		v.reset(OpCopy)
   413  		v.Type = x.Type
   414  		v.AddArg(x)
   415  		return true
   416  	}
   417  	return false
   418  }
   419  func rewriteValuegeneric_OpAdd32(v *Value, config *Config) bool {
   420  	b := v.Block
   421  	_ = b
   422  	// match: (Add32  (Const32 [c])  (Const32 [d]))
   423  	// cond:
   424  	// result: (Const32 [int64(int32(c+d))])
   425  	for {
   426  		v_0 := v.Args[0]
   427  		if v_0.Op != OpConst32 {
   428  			break
   429  		}
   430  		c := v_0.AuxInt
   431  		v_1 := v.Args[1]
   432  		if v_1.Op != OpConst32 {
   433  			break
   434  		}
   435  		d := v_1.AuxInt
   436  		v.reset(OpConst32)
   437  		v.AuxInt = int64(int32(c + d))
   438  		return true
   439  	}
   440  	// match: (Add32 x (Const32 <t> [c]))
   441  	// cond: x.Op != OpConst32
   442  	// result: (Add32 (Const32 <t> [c]) x)
   443  	for {
   444  		x := v.Args[0]
   445  		v_1 := v.Args[1]
   446  		if v_1.Op != OpConst32 {
   447  			break
   448  		}
   449  		t := v_1.Type
   450  		c := v_1.AuxInt
   451  		if !(x.Op != OpConst32) {
   452  			break
   453  		}
   454  		v.reset(OpAdd32)
   455  		v0 := b.NewValue0(v.Line, OpConst32, t)
   456  		v0.AuxInt = c
   457  		v.AddArg(v0)
   458  		v.AddArg(x)
   459  		return true
   460  	}
   461  	// match: (Add32 (Const32 [0]) x)
   462  	// cond:
   463  	// result: x
   464  	for {
   465  		v_0 := v.Args[0]
   466  		if v_0.Op != OpConst32 {
   467  			break
   468  		}
   469  		if v_0.AuxInt != 0 {
   470  			break
   471  		}
   472  		x := v.Args[1]
   473  		v.reset(OpCopy)
   474  		v.Type = x.Type
   475  		v.AddArg(x)
   476  		return true
   477  	}
   478  	return false
   479  }
   480  func rewriteValuegeneric_OpAdd32F(v *Value, config *Config) bool {
   481  	b := v.Block
   482  	_ = b
   483  	// match: (Add32F (Const32F [c]) (Const32F [d]))
   484  	// cond:
   485  	// result: (Const32F [f2i(float64(i2f32(c) + i2f32(d)))])
   486  	for {
   487  		v_0 := v.Args[0]
   488  		if v_0.Op != OpConst32F {
   489  			break
   490  		}
   491  		c := v_0.AuxInt
   492  		v_1 := v.Args[1]
   493  		if v_1.Op != OpConst32F {
   494  			break
   495  		}
   496  		d := v_1.AuxInt
   497  		v.reset(OpConst32F)
   498  		v.AuxInt = f2i(float64(i2f32(c) + i2f32(d)))
   499  		return true
   500  	}
   501  	return false
   502  }
   503  func rewriteValuegeneric_OpAdd64(v *Value, config *Config) bool {
   504  	b := v.Block
   505  	_ = b
   506  	// match: (Add64  (Const64 [c])  (Const64 [d]))
   507  	// cond:
   508  	// result: (Const64 [c+d])
   509  	for {
   510  		v_0 := v.Args[0]
   511  		if v_0.Op != OpConst64 {
   512  			break
   513  		}
   514  		c := v_0.AuxInt
   515  		v_1 := v.Args[1]
   516  		if v_1.Op != OpConst64 {
   517  			break
   518  		}
   519  		d := v_1.AuxInt
   520  		v.reset(OpConst64)
   521  		v.AuxInt = c + d
   522  		return true
   523  	}
   524  	// match: (Add64 x (Const64 <t> [c]))
   525  	// cond: x.Op != OpConst64
   526  	// result: (Add64 (Const64 <t> [c]) x)
   527  	for {
   528  		x := v.Args[0]
   529  		v_1 := v.Args[1]
   530  		if v_1.Op != OpConst64 {
   531  			break
   532  		}
   533  		t := v_1.Type
   534  		c := v_1.AuxInt
   535  		if !(x.Op != OpConst64) {
   536  			break
   537  		}
   538  		v.reset(OpAdd64)
   539  		v0 := b.NewValue0(v.Line, OpConst64, t)
   540  		v0.AuxInt = c
   541  		v.AddArg(v0)
   542  		v.AddArg(x)
   543  		return true
   544  	}
   545  	// match: (Add64 (Const64 [0]) x)
   546  	// cond:
   547  	// result: x
   548  	for {
   549  		v_0 := v.Args[0]
   550  		if v_0.Op != OpConst64 {
   551  			break
   552  		}
   553  		if v_0.AuxInt != 0 {
   554  			break
   555  		}
   556  		x := v.Args[1]
   557  		v.reset(OpCopy)
   558  		v.Type = x.Type
   559  		v.AddArg(x)
   560  		return true
   561  	}
   562  	return false
   563  }
   564  func rewriteValuegeneric_OpAdd64F(v *Value, config *Config) bool {
   565  	b := v.Block
   566  	_ = b
   567  	// match: (Add64F (Const64F [c]) (Const64F [d]))
   568  	// cond:
   569  	// result: (Const64F [f2i(i2f(c) + i2f(d))])
   570  	for {
   571  		v_0 := v.Args[0]
   572  		if v_0.Op != OpConst64F {
   573  			break
   574  		}
   575  		c := v_0.AuxInt
   576  		v_1 := v.Args[1]
   577  		if v_1.Op != OpConst64F {
   578  			break
   579  		}
   580  		d := v_1.AuxInt
   581  		v.reset(OpConst64F)
   582  		v.AuxInt = f2i(i2f(c) + i2f(d))
   583  		return true
   584  	}
   585  	return false
   586  }
   587  func rewriteValuegeneric_OpAdd8(v *Value, config *Config) bool {
   588  	b := v.Block
   589  	_ = b
   590  	// match: (Add8   (Const8 [c])   (Const8 [d]))
   591  	// cond:
   592  	// result: (Const8  [int64(int8(c+d))])
   593  	for {
   594  		v_0 := v.Args[0]
   595  		if v_0.Op != OpConst8 {
   596  			break
   597  		}
   598  		c := v_0.AuxInt
   599  		v_1 := v.Args[1]
   600  		if v_1.Op != OpConst8 {
   601  			break
   602  		}
   603  		d := v_1.AuxInt
   604  		v.reset(OpConst8)
   605  		v.AuxInt = int64(int8(c + d))
   606  		return true
   607  	}
   608  	// match: (Add8  x (Const8  <t> [c]))
   609  	// cond: x.Op != OpConst8
   610  	// result: (Add8  (Const8  <t> [c]) x)
   611  	for {
   612  		x := v.Args[0]
   613  		v_1 := v.Args[1]
   614  		if v_1.Op != OpConst8 {
   615  			break
   616  		}
   617  		t := v_1.Type
   618  		c := v_1.AuxInt
   619  		if !(x.Op != OpConst8) {
   620  			break
   621  		}
   622  		v.reset(OpAdd8)
   623  		v0 := b.NewValue0(v.Line, OpConst8, t)
   624  		v0.AuxInt = c
   625  		v.AddArg(v0)
   626  		v.AddArg(x)
   627  		return true
   628  	}
   629  	// match: (Add8  (Const8  [0]) x)
   630  	// cond:
   631  	// result: x
   632  	for {
   633  		v_0 := v.Args[0]
   634  		if v_0.Op != OpConst8 {
   635  			break
   636  		}
   637  		if v_0.AuxInt != 0 {
   638  			break
   639  		}
   640  		x := v.Args[1]
   641  		v.reset(OpCopy)
   642  		v.Type = x.Type
   643  		v.AddArg(x)
   644  		return true
   645  	}
   646  	return false
   647  }
   648  func rewriteValuegeneric_OpAddPtr(v *Value, config *Config) bool {
   649  	b := v.Block
   650  	_ = b
   651  	// match: (AddPtr <t> x (Const64 [c]))
   652  	// cond:
   653  	// result: (OffPtr <t> x [c])
   654  	for {
   655  		t := v.Type
   656  		x := v.Args[0]
   657  		v_1 := v.Args[1]
   658  		if v_1.Op != OpConst64 {
   659  			break
   660  		}
   661  		c := v_1.AuxInt
   662  		v.reset(OpOffPtr)
   663  		v.Type = t
   664  		v.AddArg(x)
   665  		v.AuxInt = c
   666  		return true
   667  	}
   668  	return false
   669  }
   670  func rewriteValuegeneric_OpAnd16(v *Value, config *Config) bool {
   671  	b := v.Block
   672  	_ = b
   673  	// match: (And16 x (Const16 <t> [c]))
   674  	// cond: x.Op != OpConst16
   675  	// result: (And16 (Const16 <t> [c]) x)
   676  	for {
   677  		x := v.Args[0]
   678  		v_1 := v.Args[1]
   679  		if v_1.Op != OpConst16 {
   680  			break
   681  		}
   682  		t := v_1.Type
   683  		c := v_1.AuxInt
   684  		if !(x.Op != OpConst16) {
   685  			break
   686  		}
   687  		v.reset(OpAnd16)
   688  		v0 := b.NewValue0(v.Line, OpConst16, t)
   689  		v0.AuxInt = c
   690  		v.AddArg(v0)
   691  		v.AddArg(x)
   692  		return true
   693  	}
   694  	// match: (And16 x x)
   695  	// cond:
   696  	// result: x
   697  	for {
   698  		x := v.Args[0]
   699  		if x != v.Args[1] {
   700  			break
   701  		}
   702  		v.reset(OpCopy)
   703  		v.Type = x.Type
   704  		v.AddArg(x)
   705  		return true
   706  	}
   707  	// match: (And16 (Const16 [-1]) x)
   708  	// cond:
   709  	// result: x
   710  	for {
   711  		v_0 := v.Args[0]
   712  		if v_0.Op != OpConst16 {
   713  			break
   714  		}
   715  		if v_0.AuxInt != -1 {
   716  			break
   717  		}
   718  		x := v.Args[1]
   719  		v.reset(OpCopy)
   720  		v.Type = x.Type
   721  		v.AddArg(x)
   722  		return true
   723  	}
   724  	// match: (And16 (Const16 [0]) _)
   725  	// cond:
   726  	// result: (Const16 [0])
   727  	for {
   728  		v_0 := v.Args[0]
   729  		if v_0.Op != OpConst16 {
   730  			break
   731  		}
   732  		if v_0.AuxInt != 0 {
   733  			break
   734  		}
   735  		v.reset(OpConst16)
   736  		v.AuxInt = 0
   737  		return true
   738  	}
   739  	// match: (And16 x (And16 x y))
   740  	// cond:
   741  	// result: (And16 x y)
   742  	for {
   743  		x := v.Args[0]
   744  		v_1 := v.Args[1]
   745  		if v_1.Op != OpAnd16 {
   746  			break
   747  		}
   748  		if x != v_1.Args[0] {
   749  			break
   750  		}
   751  		y := v_1.Args[1]
   752  		v.reset(OpAnd16)
   753  		v.AddArg(x)
   754  		v.AddArg(y)
   755  		return true
   756  	}
   757  	// match: (And16 x (And16 y x))
   758  	// cond:
   759  	// result: (And16 x y)
   760  	for {
   761  		x := v.Args[0]
   762  		v_1 := v.Args[1]
   763  		if v_1.Op != OpAnd16 {
   764  			break
   765  		}
   766  		y := v_1.Args[0]
   767  		if x != v_1.Args[1] {
   768  			break
   769  		}
   770  		v.reset(OpAnd16)
   771  		v.AddArg(x)
   772  		v.AddArg(y)
   773  		return true
   774  	}
   775  	// match: (And16 (And16 x y) x)
   776  	// cond:
   777  	// result: (And16 x y)
   778  	for {
   779  		v_0 := v.Args[0]
   780  		if v_0.Op != OpAnd16 {
   781  			break
   782  		}
   783  		x := v_0.Args[0]
   784  		y := v_0.Args[1]
   785  		if x != v.Args[1] {
   786  			break
   787  		}
   788  		v.reset(OpAnd16)
   789  		v.AddArg(x)
   790  		v.AddArg(y)
   791  		return true
   792  	}
   793  	// match: (And16 (And16 x y) y)
   794  	// cond:
   795  	// result: (And16 x y)
   796  	for {
   797  		v_0 := v.Args[0]
   798  		if v_0.Op != OpAnd16 {
   799  			break
   800  		}
   801  		x := v_0.Args[0]
   802  		y := v_0.Args[1]
   803  		if y != v.Args[1] {
   804  			break
   805  		}
   806  		v.reset(OpAnd16)
   807  		v.AddArg(x)
   808  		v.AddArg(y)
   809  		return true
   810  	}
   811  	return false
   812  }
   813  func rewriteValuegeneric_OpAnd32(v *Value, config *Config) bool {
   814  	b := v.Block
   815  	_ = b
   816  	// match: (And32 x (Const32 <t> [c]))
   817  	// cond: x.Op != OpConst32
   818  	// result: (And32 (Const32 <t> [c]) x)
   819  	for {
   820  		x := v.Args[0]
   821  		v_1 := v.Args[1]
   822  		if v_1.Op != OpConst32 {
   823  			break
   824  		}
   825  		t := v_1.Type
   826  		c := v_1.AuxInt
   827  		if !(x.Op != OpConst32) {
   828  			break
   829  		}
   830  		v.reset(OpAnd32)
   831  		v0 := b.NewValue0(v.Line, OpConst32, t)
   832  		v0.AuxInt = c
   833  		v.AddArg(v0)
   834  		v.AddArg(x)
   835  		return true
   836  	}
   837  	// match: (And32 x x)
   838  	// cond:
   839  	// result: x
   840  	for {
   841  		x := v.Args[0]
   842  		if x != v.Args[1] {
   843  			break
   844  		}
   845  		v.reset(OpCopy)
   846  		v.Type = x.Type
   847  		v.AddArg(x)
   848  		return true
   849  	}
   850  	// match: (And32 (Const32 [-1]) x)
   851  	// cond:
   852  	// result: x
   853  	for {
   854  		v_0 := v.Args[0]
   855  		if v_0.Op != OpConst32 {
   856  			break
   857  		}
   858  		if v_0.AuxInt != -1 {
   859  			break
   860  		}
   861  		x := v.Args[1]
   862  		v.reset(OpCopy)
   863  		v.Type = x.Type
   864  		v.AddArg(x)
   865  		return true
   866  	}
   867  	// match: (And32 (Const32 [0]) _)
   868  	// cond:
   869  	// result: (Const32 [0])
   870  	for {
   871  		v_0 := v.Args[0]
   872  		if v_0.Op != OpConst32 {
   873  			break
   874  		}
   875  		if v_0.AuxInt != 0 {
   876  			break
   877  		}
   878  		v.reset(OpConst32)
   879  		v.AuxInt = 0
   880  		return true
   881  	}
   882  	// match: (And32 x (And32 x y))
   883  	// cond:
   884  	// result: (And32 x y)
   885  	for {
   886  		x := v.Args[0]
   887  		v_1 := v.Args[1]
   888  		if v_1.Op != OpAnd32 {
   889  			break
   890  		}
   891  		if x != v_1.Args[0] {
   892  			break
   893  		}
   894  		y := v_1.Args[1]
   895  		v.reset(OpAnd32)
   896  		v.AddArg(x)
   897  		v.AddArg(y)
   898  		return true
   899  	}
   900  	// match: (And32 x (And32 y x))
   901  	// cond:
   902  	// result: (And32 x y)
   903  	for {
   904  		x := v.Args[0]
   905  		v_1 := v.Args[1]
   906  		if v_1.Op != OpAnd32 {
   907  			break
   908  		}
   909  		y := v_1.Args[0]
   910  		if x != v_1.Args[1] {
   911  			break
   912  		}
   913  		v.reset(OpAnd32)
   914  		v.AddArg(x)
   915  		v.AddArg(y)
   916  		return true
   917  	}
   918  	// match: (And32 (And32 x y) x)
   919  	// cond:
   920  	// result: (And32 x y)
   921  	for {
   922  		v_0 := v.Args[0]
   923  		if v_0.Op != OpAnd32 {
   924  			break
   925  		}
   926  		x := v_0.Args[0]
   927  		y := v_0.Args[1]
   928  		if x != v.Args[1] {
   929  			break
   930  		}
   931  		v.reset(OpAnd32)
   932  		v.AddArg(x)
   933  		v.AddArg(y)
   934  		return true
   935  	}
   936  	// match: (And32 (And32 x y) y)
   937  	// cond:
   938  	// result: (And32 x y)
   939  	for {
   940  		v_0 := v.Args[0]
   941  		if v_0.Op != OpAnd32 {
   942  			break
   943  		}
   944  		x := v_0.Args[0]
   945  		y := v_0.Args[1]
   946  		if y != v.Args[1] {
   947  			break
   948  		}
   949  		v.reset(OpAnd32)
   950  		v.AddArg(x)
   951  		v.AddArg(y)
   952  		return true
   953  	}
   954  	return false
   955  }
   956  func rewriteValuegeneric_OpAnd64(v *Value, config *Config) bool {
   957  	b := v.Block
   958  	_ = b
   959  	// match: (And64 x (Const64 <t> [c]))
   960  	// cond: x.Op != OpConst64
   961  	// result: (And64 (Const64 <t> [c]) x)
   962  	for {
   963  		x := v.Args[0]
   964  		v_1 := v.Args[1]
   965  		if v_1.Op != OpConst64 {
   966  			break
   967  		}
   968  		t := v_1.Type
   969  		c := v_1.AuxInt
   970  		if !(x.Op != OpConst64) {
   971  			break
   972  		}
   973  		v.reset(OpAnd64)
   974  		v0 := b.NewValue0(v.Line, OpConst64, t)
   975  		v0.AuxInt = c
   976  		v.AddArg(v0)
   977  		v.AddArg(x)
   978  		return true
   979  	}
   980  	// match: (And64 x x)
   981  	// cond:
   982  	// result: x
   983  	for {
   984  		x := v.Args[0]
   985  		if x != v.Args[1] {
   986  			break
   987  		}
   988  		v.reset(OpCopy)
   989  		v.Type = x.Type
   990  		v.AddArg(x)
   991  		return true
   992  	}
   993  	// match: (And64 (Const64 [-1]) x)
   994  	// cond:
   995  	// result: x
   996  	for {
   997  		v_0 := v.Args[0]
   998  		if v_0.Op != OpConst64 {
   999  			break
  1000  		}
  1001  		if v_0.AuxInt != -1 {
  1002  			break
  1003  		}
  1004  		x := v.Args[1]
  1005  		v.reset(OpCopy)
  1006  		v.Type = x.Type
  1007  		v.AddArg(x)
  1008  		return true
  1009  	}
  1010  	// match: (And64 (Const64 [0]) _)
  1011  	// cond:
  1012  	// result: (Const64 [0])
  1013  	for {
  1014  		v_0 := v.Args[0]
  1015  		if v_0.Op != OpConst64 {
  1016  			break
  1017  		}
  1018  		if v_0.AuxInt != 0 {
  1019  			break
  1020  		}
  1021  		v.reset(OpConst64)
  1022  		v.AuxInt = 0
  1023  		return true
  1024  	}
  1025  	// match: (And64 x (And64 x y))
  1026  	// cond:
  1027  	// result: (And64 x y)
  1028  	for {
  1029  		x := v.Args[0]
  1030  		v_1 := v.Args[1]
  1031  		if v_1.Op != OpAnd64 {
  1032  			break
  1033  		}
  1034  		if x != v_1.Args[0] {
  1035  			break
  1036  		}
  1037  		y := v_1.Args[1]
  1038  		v.reset(OpAnd64)
  1039  		v.AddArg(x)
  1040  		v.AddArg(y)
  1041  		return true
  1042  	}
  1043  	// match: (And64 x (And64 y x))
  1044  	// cond:
  1045  	// result: (And64 x y)
  1046  	for {
  1047  		x := v.Args[0]
  1048  		v_1 := v.Args[1]
  1049  		if v_1.Op != OpAnd64 {
  1050  			break
  1051  		}
  1052  		y := v_1.Args[0]
  1053  		if x != v_1.Args[1] {
  1054  			break
  1055  		}
  1056  		v.reset(OpAnd64)
  1057  		v.AddArg(x)
  1058  		v.AddArg(y)
  1059  		return true
  1060  	}
  1061  	// match: (And64 (And64 x y) x)
  1062  	// cond:
  1063  	// result: (And64 x y)
  1064  	for {
  1065  		v_0 := v.Args[0]
  1066  		if v_0.Op != OpAnd64 {
  1067  			break
  1068  		}
  1069  		x := v_0.Args[0]
  1070  		y := v_0.Args[1]
  1071  		if x != v.Args[1] {
  1072  			break
  1073  		}
  1074  		v.reset(OpAnd64)
  1075  		v.AddArg(x)
  1076  		v.AddArg(y)
  1077  		return true
  1078  	}
  1079  	// match: (And64 (And64 x y) y)
  1080  	// cond:
  1081  	// result: (And64 x y)
  1082  	for {
  1083  		v_0 := v.Args[0]
  1084  		if v_0.Op != OpAnd64 {
  1085  			break
  1086  		}
  1087  		x := v_0.Args[0]
  1088  		y := v_0.Args[1]
  1089  		if y != v.Args[1] {
  1090  			break
  1091  		}
  1092  		v.reset(OpAnd64)
  1093  		v.AddArg(x)
  1094  		v.AddArg(y)
  1095  		return true
  1096  	}
  1097  	// match: (And64 <t> (Const64 [y]) x)
  1098  	// cond: nlz(y) + nto(y) == 64 && nto(y) >= 32
  1099  	// result: (Rsh64Ux64 (Lsh64x64 <t> x (Const64 <t> [nlz(y)])) (Const64 <t> [nlz(y)]))
  1100  	for {
  1101  		t := v.Type
  1102  		v_0 := v.Args[0]
  1103  		if v_0.Op != OpConst64 {
  1104  			break
  1105  		}
  1106  		y := v_0.AuxInt
  1107  		x := v.Args[1]
  1108  		if !(nlz(y)+nto(y) == 64 && nto(y) >= 32) {
  1109  			break
  1110  		}
  1111  		v.reset(OpRsh64Ux64)
  1112  		v0 := b.NewValue0(v.Line, OpLsh64x64, t)
  1113  		v0.AddArg(x)
  1114  		v1 := b.NewValue0(v.Line, OpConst64, t)
  1115  		v1.AuxInt = nlz(y)
  1116  		v0.AddArg(v1)
  1117  		v.AddArg(v0)
  1118  		v2 := b.NewValue0(v.Line, OpConst64, t)
  1119  		v2.AuxInt = nlz(y)
  1120  		v.AddArg(v2)
  1121  		return true
  1122  	}
  1123  	// match: (And64 <t> (Const64 [y]) x)
  1124  	// cond: nlo(y) + ntz(y) == 64 && ntz(y) >= 32
  1125  	// result: (Lsh64x64 (Rsh64Ux64 <t> x (Const64 <t> [ntz(y)])) (Const64 <t> [ntz(y)]))
  1126  	for {
  1127  		t := v.Type
  1128  		v_0 := v.Args[0]
  1129  		if v_0.Op != OpConst64 {
  1130  			break
  1131  		}
  1132  		y := v_0.AuxInt
  1133  		x := v.Args[1]
  1134  		if !(nlo(y)+ntz(y) == 64 && ntz(y) >= 32) {
  1135  			break
  1136  		}
  1137  		v.reset(OpLsh64x64)
  1138  		v0 := b.NewValue0(v.Line, OpRsh64Ux64, t)
  1139  		v0.AddArg(x)
  1140  		v1 := b.NewValue0(v.Line, OpConst64, t)
  1141  		v1.AuxInt = ntz(y)
  1142  		v0.AddArg(v1)
  1143  		v.AddArg(v0)
  1144  		v2 := b.NewValue0(v.Line, OpConst64, t)
  1145  		v2.AuxInt = ntz(y)
  1146  		v.AddArg(v2)
  1147  		return true
  1148  	}
  1149  	return false
  1150  }
  1151  func rewriteValuegeneric_OpAnd8(v *Value, config *Config) bool {
  1152  	b := v.Block
  1153  	_ = b
  1154  	// match: (And8  x (Const8  <t> [c]))
  1155  	// cond: x.Op != OpConst8
  1156  	// result: (And8  (Const8  <t> [c]) x)
  1157  	for {
  1158  		x := v.Args[0]
  1159  		v_1 := v.Args[1]
  1160  		if v_1.Op != OpConst8 {
  1161  			break
  1162  		}
  1163  		t := v_1.Type
  1164  		c := v_1.AuxInt
  1165  		if !(x.Op != OpConst8) {
  1166  			break
  1167  		}
  1168  		v.reset(OpAnd8)
  1169  		v0 := b.NewValue0(v.Line, OpConst8, t)
  1170  		v0.AuxInt = c
  1171  		v.AddArg(v0)
  1172  		v.AddArg(x)
  1173  		return true
  1174  	}
  1175  	// match: (And8  x x)
  1176  	// cond:
  1177  	// result: x
  1178  	for {
  1179  		x := v.Args[0]
  1180  		if x != v.Args[1] {
  1181  			break
  1182  		}
  1183  		v.reset(OpCopy)
  1184  		v.Type = x.Type
  1185  		v.AddArg(x)
  1186  		return true
  1187  	}
  1188  	// match: (And8  (Const8  [-1]) x)
  1189  	// cond:
  1190  	// result: x
  1191  	for {
  1192  		v_0 := v.Args[0]
  1193  		if v_0.Op != OpConst8 {
  1194  			break
  1195  		}
  1196  		if v_0.AuxInt != -1 {
  1197  			break
  1198  		}
  1199  		x := v.Args[1]
  1200  		v.reset(OpCopy)
  1201  		v.Type = x.Type
  1202  		v.AddArg(x)
  1203  		return true
  1204  	}
  1205  	// match: (And8  (Const8  [0]) _)
  1206  	// cond:
  1207  	// result: (Const8  [0])
  1208  	for {
  1209  		v_0 := v.Args[0]
  1210  		if v_0.Op != OpConst8 {
  1211  			break
  1212  		}
  1213  		if v_0.AuxInt != 0 {
  1214  			break
  1215  		}
  1216  		v.reset(OpConst8)
  1217  		v.AuxInt = 0
  1218  		return true
  1219  	}
  1220  	// match: (And8  x (And8  x y))
  1221  	// cond:
  1222  	// result: (And8  x y)
  1223  	for {
  1224  		x := v.Args[0]
  1225  		v_1 := v.Args[1]
  1226  		if v_1.Op != OpAnd8 {
  1227  			break
  1228  		}
  1229  		if x != v_1.Args[0] {
  1230  			break
  1231  		}
  1232  		y := v_1.Args[1]
  1233  		v.reset(OpAnd8)
  1234  		v.AddArg(x)
  1235  		v.AddArg(y)
  1236  		return true
  1237  	}
  1238  	// match: (And8  x (And8  y x))
  1239  	// cond:
  1240  	// result: (And8  x y)
  1241  	for {
  1242  		x := v.Args[0]
  1243  		v_1 := v.Args[1]
  1244  		if v_1.Op != OpAnd8 {
  1245  			break
  1246  		}
  1247  		y := v_1.Args[0]
  1248  		if x != v_1.Args[1] {
  1249  			break
  1250  		}
  1251  		v.reset(OpAnd8)
  1252  		v.AddArg(x)
  1253  		v.AddArg(y)
  1254  		return true
  1255  	}
  1256  	// match: (And8  (And8  x y) x)
  1257  	// cond:
  1258  	// result: (And8  x y)
  1259  	for {
  1260  		v_0 := v.Args[0]
  1261  		if v_0.Op != OpAnd8 {
  1262  			break
  1263  		}
  1264  		x := v_0.Args[0]
  1265  		y := v_0.Args[1]
  1266  		if x != v.Args[1] {
  1267  			break
  1268  		}
  1269  		v.reset(OpAnd8)
  1270  		v.AddArg(x)
  1271  		v.AddArg(y)
  1272  		return true
  1273  	}
  1274  	// match: (And8  (And8  x y) y)
  1275  	// cond:
  1276  	// result: (And8  x y)
  1277  	for {
  1278  		v_0 := v.Args[0]
  1279  		if v_0.Op != OpAnd8 {
  1280  			break
  1281  		}
  1282  		x := v_0.Args[0]
  1283  		y := v_0.Args[1]
  1284  		if y != v.Args[1] {
  1285  			break
  1286  		}
  1287  		v.reset(OpAnd8)
  1288  		v.AddArg(x)
  1289  		v.AddArg(y)
  1290  		return true
  1291  	}
  1292  	return false
  1293  }
  1294  func rewriteValuegeneric_OpArg(v *Value, config *Config) bool {
  1295  	b := v.Block
  1296  	_ = b
  1297  	// match: (Arg {n} [off])
  1298  	// cond: v.Type.IsString()
  1299  	// result: (StringMake     (Arg <config.fe.TypeBytePtr()> {n} [off])     (Arg <config.fe.TypeInt()> {n} [off+config.PtrSize]))
  1300  	for {
  1301  		n := v.Aux
  1302  		off := v.AuxInt
  1303  		if !(v.Type.IsString()) {
  1304  			break
  1305  		}
  1306  		v.reset(OpStringMake)
  1307  		v0 := b.NewValue0(v.Line, OpArg, config.fe.TypeBytePtr())
  1308  		v0.Aux = n
  1309  		v0.AuxInt = off
  1310  		v.AddArg(v0)
  1311  		v1 := b.NewValue0(v.Line, OpArg, config.fe.TypeInt())
  1312  		v1.Aux = n
  1313  		v1.AuxInt = off + config.PtrSize
  1314  		v.AddArg(v1)
  1315  		return true
  1316  	}
  1317  	// match: (Arg {n} [off])
  1318  	// cond: v.Type.IsSlice()
  1319  	// result: (SliceMake     (Arg <v.Type.ElemType().PtrTo()> {n} [off])     (Arg <config.fe.TypeInt()> {n} [off+config.PtrSize])     (Arg <config.fe.TypeInt()> {n} [off+2*config.PtrSize]))
  1320  	for {
  1321  		n := v.Aux
  1322  		off := v.AuxInt
  1323  		if !(v.Type.IsSlice()) {
  1324  			break
  1325  		}
  1326  		v.reset(OpSliceMake)
  1327  		v0 := b.NewValue0(v.Line, OpArg, v.Type.ElemType().PtrTo())
  1328  		v0.Aux = n
  1329  		v0.AuxInt = off
  1330  		v.AddArg(v0)
  1331  		v1 := b.NewValue0(v.Line, OpArg, config.fe.TypeInt())
  1332  		v1.Aux = n
  1333  		v1.AuxInt = off + config.PtrSize
  1334  		v.AddArg(v1)
  1335  		v2 := b.NewValue0(v.Line, OpArg, config.fe.TypeInt())
  1336  		v2.Aux = n
  1337  		v2.AuxInt = off + 2*config.PtrSize
  1338  		v.AddArg(v2)
  1339  		return true
  1340  	}
  1341  	// match: (Arg {n} [off])
  1342  	// cond: v.Type.IsInterface()
  1343  	// result: (IMake     (Arg <config.fe.TypeBytePtr()> {n} [off])     (Arg <config.fe.TypeBytePtr()> {n} [off+config.PtrSize]))
  1344  	for {
  1345  		n := v.Aux
  1346  		off := v.AuxInt
  1347  		if !(v.Type.IsInterface()) {
  1348  			break
  1349  		}
  1350  		v.reset(OpIMake)
  1351  		v0 := b.NewValue0(v.Line, OpArg, config.fe.TypeBytePtr())
  1352  		v0.Aux = n
  1353  		v0.AuxInt = off
  1354  		v.AddArg(v0)
  1355  		v1 := b.NewValue0(v.Line, OpArg, config.fe.TypeBytePtr())
  1356  		v1.Aux = n
  1357  		v1.AuxInt = off + config.PtrSize
  1358  		v.AddArg(v1)
  1359  		return true
  1360  	}
  1361  	// match: (Arg {n} [off])
  1362  	// cond: v.Type.IsComplex() && v.Type.Size() == 16
  1363  	// result: (ComplexMake     (Arg <config.fe.TypeFloat64()> {n} [off])     (Arg <config.fe.TypeFloat64()> {n} [off+8]))
  1364  	for {
  1365  		n := v.Aux
  1366  		off := v.AuxInt
  1367  		if !(v.Type.IsComplex() && v.Type.Size() == 16) {
  1368  			break
  1369  		}
  1370  		v.reset(OpComplexMake)
  1371  		v0 := b.NewValue0(v.Line, OpArg, config.fe.TypeFloat64())
  1372  		v0.Aux = n
  1373  		v0.AuxInt = off
  1374  		v.AddArg(v0)
  1375  		v1 := b.NewValue0(v.Line, OpArg, config.fe.TypeFloat64())
  1376  		v1.Aux = n
  1377  		v1.AuxInt = off + 8
  1378  		v.AddArg(v1)
  1379  		return true
  1380  	}
  1381  	// match: (Arg {n} [off])
  1382  	// cond: v.Type.IsComplex() && v.Type.Size() == 8
  1383  	// result: (ComplexMake     (Arg <config.fe.TypeFloat32()> {n} [off])     (Arg <config.fe.TypeFloat32()> {n} [off+4]))
  1384  	for {
  1385  		n := v.Aux
  1386  		off := v.AuxInt
  1387  		if !(v.Type.IsComplex() && v.Type.Size() == 8) {
  1388  			break
  1389  		}
  1390  		v.reset(OpComplexMake)
  1391  		v0 := b.NewValue0(v.Line, OpArg, config.fe.TypeFloat32())
  1392  		v0.Aux = n
  1393  		v0.AuxInt = off
  1394  		v.AddArg(v0)
  1395  		v1 := b.NewValue0(v.Line, OpArg, config.fe.TypeFloat32())
  1396  		v1.Aux = n
  1397  		v1.AuxInt = off + 4
  1398  		v.AddArg(v1)
  1399  		return true
  1400  	}
  1401  	// match: (Arg <t>)
  1402  	// cond: t.IsStruct() && t.NumFields() == 0 && config.fe.CanSSA(t)
  1403  	// result: (StructMake0)
  1404  	for {
  1405  		t := v.Type
  1406  		if !(t.IsStruct() && t.NumFields() == 0 && config.fe.CanSSA(t)) {
  1407  			break
  1408  		}
  1409  		v.reset(OpStructMake0)
  1410  		return true
  1411  	}
  1412  	// match: (Arg <t> {n} [off])
  1413  	// cond: t.IsStruct() && t.NumFields() == 1 && config.fe.CanSSA(t)
  1414  	// result: (StructMake1     (Arg <t.FieldType(0)> {n} [off+t.FieldOff(0)]))
  1415  	for {
  1416  		t := v.Type
  1417  		n := v.Aux
  1418  		off := v.AuxInt
  1419  		if !(t.IsStruct() && t.NumFields() == 1 && config.fe.CanSSA(t)) {
  1420  			break
  1421  		}
  1422  		v.reset(OpStructMake1)
  1423  		v0 := b.NewValue0(v.Line, OpArg, t.FieldType(0))
  1424  		v0.Aux = n
  1425  		v0.AuxInt = off + t.FieldOff(0)
  1426  		v.AddArg(v0)
  1427  		return true
  1428  	}
  1429  	// match: (Arg <t> {n} [off])
  1430  	// cond: t.IsStruct() && t.NumFields() == 2 && config.fe.CanSSA(t)
  1431  	// result: (StructMake2     (Arg <t.FieldType(0)> {n} [off+t.FieldOff(0)])     (Arg <t.FieldType(1)> {n} [off+t.FieldOff(1)]))
  1432  	for {
  1433  		t := v.Type
  1434  		n := v.Aux
  1435  		off := v.AuxInt
  1436  		if !(t.IsStruct() && t.NumFields() == 2 && config.fe.CanSSA(t)) {
  1437  			break
  1438  		}
  1439  		v.reset(OpStructMake2)
  1440  		v0 := b.NewValue0(v.Line, OpArg, t.FieldType(0))
  1441  		v0.Aux = n
  1442  		v0.AuxInt = off + t.FieldOff(0)
  1443  		v.AddArg(v0)
  1444  		v1 := b.NewValue0(v.Line, OpArg, t.FieldType(1))
  1445  		v1.Aux = n
  1446  		v1.AuxInt = off + t.FieldOff(1)
  1447  		v.AddArg(v1)
  1448  		return true
  1449  	}
  1450  	// match: (Arg <t> {n} [off])
  1451  	// cond: t.IsStruct() && t.NumFields() == 3 && config.fe.CanSSA(t)
  1452  	// result: (StructMake3     (Arg <t.FieldType(0)> {n} [off+t.FieldOff(0)])     (Arg <t.FieldType(1)> {n} [off+t.FieldOff(1)])     (Arg <t.FieldType(2)> {n} [off+t.FieldOff(2)]))
  1453  	for {
  1454  		t := v.Type
  1455  		n := v.Aux
  1456  		off := v.AuxInt
  1457  		if !(t.IsStruct() && t.NumFields() == 3 && config.fe.CanSSA(t)) {
  1458  			break
  1459  		}
  1460  		v.reset(OpStructMake3)
  1461  		v0 := b.NewValue0(v.Line, OpArg, t.FieldType(0))
  1462  		v0.Aux = n
  1463  		v0.AuxInt = off + t.FieldOff(0)
  1464  		v.AddArg(v0)
  1465  		v1 := b.NewValue0(v.Line, OpArg, t.FieldType(1))
  1466  		v1.Aux = n
  1467  		v1.AuxInt = off + t.FieldOff(1)
  1468  		v.AddArg(v1)
  1469  		v2 := b.NewValue0(v.Line, OpArg, t.FieldType(2))
  1470  		v2.Aux = n
  1471  		v2.AuxInt = off + t.FieldOff(2)
  1472  		v.AddArg(v2)
  1473  		return true
  1474  	}
  1475  	// match: (Arg <t> {n} [off])
  1476  	// cond: t.IsStruct() && t.NumFields() == 4 && config.fe.CanSSA(t)
  1477  	// result: (StructMake4     (Arg <t.FieldType(0)> {n} [off+t.FieldOff(0)])     (Arg <t.FieldType(1)> {n} [off+t.FieldOff(1)])     (Arg <t.FieldType(2)> {n} [off+t.FieldOff(2)])     (Arg <t.FieldType(3)> {n} [off+t.FieldOff(3)]))
  1478  	for {
  1479  		t := v.Type
  1480  		n := v.Aux
  1481  		off := v.AuxInt
  1482  		if !(t.IsStruct() && t.NumFields() == 4 && config.fe.CanSSA(t)) {
  1483  			break
  1484  		}
  1485  		v.reset(OpStructMake4)
  1486  		v0 := b.NewValue0(v.Line, OpArg, t.FieldType(0))
  1487  		v0.Aux = n
  1488  		v0.AuxInt = off + t.FieldOff(0)
  1489  		v.AddArg(v0)
  1490  		v1 := b.NewValue0(v.Line, OpArg, t.FieldType(1))
  1491  		v1.Aux = n
  1492  		v1.AuxInt = off + t.FieldOff(1)
  1493  		v.AddArg(v1)
  1494  		v2 := b.NewValue0(v.Line, OpArg, t.FieldType(2))
  1495  		v2.Aux = n
  1496  		v2.AuxInt = off + t.FieldOff(2)
  1497  		v.AddArg(v2)
  1498  		v3 := b.NewValue0(v.Line, OpArg, t.FieldType(3))
  1499  		v3.Aux = n
  1500  		v3.AuxInt = off + t.FieldOff(3)
  1501  		v.AddArg(v3)
  1502  		return true
  1503  	}
  1504  	return false
  1505  }
  1506  func rewriteValuegeneric_OpArrayIndex(v *Value, config *Config) bool {
  1507  	b := v.Block
  1508  	_ = b
  1509  	// match: (ArrayIndex <t> [0] x:(Load ptr mem))
  1510  	// cond:
  1511  	// result: @x.Block (Load <t> ptr mem)
  1512  	for {
  1513  		t := v.Type
  1514  		if v.AuxInt != 0 {
  1515  			break
  1516  		}
  1517  		x := v.Args[0]
  1518  		if x.Op != OpLoad {
  1519  			break
  1520  		}
  1521  		ptr := x.Args[0]
  1522  		mem := x.Args[1]
  1523  		b = x.Block
  1524  		v0 := b.NewValue0(v.Line, OpLoad, t)
  1525  		v.reset(OpCopy)
  1526  		v.AddArg(v0)
  1527  		v0.AddArg(ptr)
  1528  		v0.AddArg(mem)
  1529  		return true
  1530  	}
  1531  	return false
  1532  }
  1533  func rewriteValuegeneric_OpCom16(v *Value, config *Config) bool {
  1534  	b := v.Block
  1535  	_ = b
  1536  	// match: (Com16 (Com16 x))
  1537  	// cond:
  1538  	// result: x
  1539  	for {
  1540  		v_0 := v.Args[0]
  1541  		if v_0.Op != OpCom16 {
  1542  			break
  1543  		}
  1544  		x := v_0.Args[0]
  1545  		v.reset(OpCopy)
  1546  		v.Type = x.Type
  1547  		v.AddArg(x)
  1548  		return true
  1549  	}
  1550  	return false
  1551  }
  1552  func rewriteValuegeneric_OpCom32(v *Value, config *Config) bool {
  1553  	b := v.Block
  1554  	_ = b
  1555  	// match: (Com32 (Com32 x))
  1556  	// cond:
  1557  	// result: x
  1558  	for {
  1559  		v_0 := v.Args[0]
  1560  		if v_0.Op != OpCom32 {
  1561  			break
  1562  		}
  1563  		x := v_0.Args[0]
  1564  		v.reset(OpCopy)
  1565  		v.Type = x.Type
  1566  		v.AddArg(x)
  1567  		return true
  1568  	}
  1569  	return false
  1570  }
  1571  func rewriteValuegeneric_OpCom64(v *Value, config *Config) bool {
  1572  	b := v.Block
  1573  	_ = b
  1574  	// match: (Com64 (Com64 x))
  1575  	// cond:
  1576  	// result: x
  1577  	for {
  1578  		v_0 := v.Args[0]
  1579  		if v_0.Op != OpCom64 {
  1580  			break
  1581  		}
  1582  		x := v_0.Args[0]
  1583  		v.reset(OpCopy)
  1584  		v.Type = x.Type
  1585  		v.AddArg(x)
  1586  		return true
  1587  	}
  1588  	return false
  1589  }
  1590  func rewriteValuegeneric_OpCom8(v *Value, config *Config) bool {
  1591  	b := v.Block
  1592  	_ = b
  1593  	// match: (Com8  (Com8  x))
  1594  	// cond:
  1595  	// result: x
  1596  	for {
  1597  		v_0 := v.Args[0]
  1598  		if v_0.Op != OpCom8 {
  1599  			break
  1600  		}
  1601  		x := v_0.Args[0]
  1602  		v.reset(OpCopy)
  1603  		v.Type = x.Type
  1604  		v.AddArg(x)
  1605  		return true
  1606  	}
  1607  	return false
  1608  }
  1609  func rewriteValuegeneric_OpConstInterface(v *Value, config *Config) bool {
  1610  	b := v.Block
  1611  	_ = b
  1612  	// match: (ConstInterface)
  1613  	// cond:
  1614  	// result: (IMake     (ConstNil <config.fe.TypeBytePtr()>)     (ConstNil <config.fe.TypeBytePtr()>))
  1615  	for {
  1616  		v.reset(OpIMake)
  1617  		v0 := b.NewValue0(v.Line, OpConstNil, config.fe.TypeBytePtr())
  1618  		v.AddArg(v0)
  1619  		v1 := b.NewValue0(v.Line, OpConstNil, config.fe.TypeBytePtr())
  1620  		v.AddArg(v1)
  1621  		return true
  1622  	}
  1623  }
  1624  func rewriteValuegeneric_OpConstSlice(v *Value, config *Config) bool {
  1625  	b := v.Block
  1626  	_ = b
  1627  	// match: (ConstSlice)
  1628  	// cond: config.PtrSize == 4
  1629  	// result: (SliceMake     (ConstNil <v.Type.ElemType().PtrTo()>)     (Const32 <config.fe.TypeInt()> [0])     (Const32 <config.fe.TypeInt()> [0]))
  1630  	for {
  1631  		if !(config.PtrSize == 4) {
  1632  			break
  1633  		}
  1634  		v.reset(OpSliceMake)
  1635  		v0 := b.NewValue0(v.Line, OpConstNil, v.Type.ElemType().PtrTo())
  1636  		v.AddArg(v0)
  1637  		v1 := b.NewValue0(v.Line, OpConst32, config.fe.TypeInt())
  1638  		v1.AuxInt = 0
  1639  		v.AddArg(v1)
  1640  		v2 := b.NewValue0(v.Line, OpConst32, config.fe.TypeInt())
  1641  		v2.AuxInt = 0
  1642  		v.AddArg(v2)
  1643  		return true
  1644  	}
  1645  	// match: (ConstSlice)
  1646  	// cond: config.PtrSize == 8
  1647  	// result: (SliceMake     (ConstNil <v.Type.ElemType().PtrTo()>)     (Const64 <config.fe.TypeInt()> [0])     (Const64 <config.fe.TypeInt()> [0]))
  1648  	for {
  1649  		if !(config.PtrSize == 8) {
  1650  			break
  1651  		}
  1652  		v.reset(OpSliceMake)
  1653  		v0 := b.NewValue0(v.Line, OpConstNil, v.Type.ElemType().PtrTo())
  1654  		v.AddArg(v0)
  1655  		v1 := b.NewValue0(v.Line, OpConst64, config.fe.TypeInt())
  1656  		v1.AuxInt = 0
  1657  		v.AddArg(v1)
  1658  		v2 := b.NewValue0(v.Line, OpConst64, config.fe.TypeInt())
  1659  		v2.AuxInt = 0
  1660  		v.AddArg(v2)
  1661  		return true
  1662  	}
  1663  	return false
  1664  }
  1665  func rewriteValuegeneric_OpConstString(v *Value, config *Config) bool {
  1666  	b := v.Block
  1667  	_ = b
  1668  	// match: (ConstString {s})
  1669  	// cond: config.PtrSize == 4 && s.(string) == ""
  1670  	// result: (StringMake (ConstNil) (Const32 <config.fe.TypeInt()> [0]))
  1671  	for {
  1672  		s := v.Aux
  1673  		if !(config.PtrSize == 4 && s.(string) == "") {
  1674  			break
  1675  		}
  1676  		v.reset(OpStringMake)
  1677  		v0 := b.NewValue0(v.Line, OpConstNil, config.fe.TypeBytePtr())
  1678  		v.AddArg(v0)
  1679  		v1 := b.NewValue0(v.Line, OpConst32, config.fe.TypeInt())
  1680  		v1.AuxInt = 0
  1681  		v.AddArg(v1)
  1682  		return true
  1683  	}
  1684  	// match: (ConstString {s})
  1685  	// cond: config.PtrSize == 8 && s.(string) == ""
  1686  	// result: (StringMake (ConstNil) (Const64 <config.fe.TypeInt()> [0]))
  1687  	for {
  1688  		s := v.Aux
  1689  		if !(config.PtrSize == 8 && s.(string) == "") {
  1690  			break
  1691  		}
  1692  		v.reset(OpStringMake)
  1693  		v0 := b.NewValue0(v.Line, OpConstNil, config.fe.TypeBytePtr())
  1694  		v.AddArg(v0)
  1695  		v1 := b.NewValue0(v.Line, OpConst64, config.fe.TypeInt())
  1696  		v1.AuxInt = 0
  1697  		v.AddArg(v1)
  1698  		return true
  1699  	}
  1700  	// match: (ConstString {s})
  1701  	// cond: config.PtrSize == 4 && s.(string) != ""
  1702  	// result: (StringMake     (Addr <config.fe.TypeBytePtr()> {config.fe.StringData(s.(string))}       (SB))     (Const32 <config.fe.TypeInt()> [int64(len(s.(string)))]))
  1703  	for {
  1704  		s := v.Aux
  1705  		if !(config.PtrSize == 4 && s.(string) != "") {
  1706  			break
  1707  		}
  1708  		v.reset(OpStringMake)
  1709  		v0 := b.NewValue0(v.Line, OpAddr, config.fe.TypeBytePtr())
  1710  		v0.Aux = config.fe.StringData(s.(string))
  1711  		v1 := b.NewValue0(v.Line, OpSB, config.fe.TypeUintptr())
  1712  		v0.AddArg(v1)
  1713  		v.AddArg(v0)
  1714  		v2 := b.NewValue0(v.Line, OpConst32, config.fe.TypeInt())
  1715  		v2.AuxInt = int64(len(s.(string)))
  1716  		v.AddArg(v2)
  1717  		return true
  1718  	}
  1719  	// match: (ConstString {s})
  1720  	// cond: config.PtrSize == 8 && s.(string) != ""
  1721  	// result: (StringMake     (Addr <config.fe.TypeBytePtr()> {config.fe.StringData(s.(string))}       (SB))     (Const64 <config.fe.TypeInt()> [int64(len(s.(string)))]))
  1722  	for {
  1723  		s := v.Aux
  1724  		if !(config.PtrSize == 8 && s.(string) != "") {
  1725  			break
  1726  		}
  1727  		v.reset(OpStringMake)
  1728  		v0 := b.NewValue0(v.Line, OpAddr, config.fe.TypeBytePtr())
  1729  		v0.Aux = config.fe.StringData(s.(string))
  1730  		v1 := b.NewValue0(v.Line, OpSB, config.fe.TypeUintptr())
  1731  		v0.AddArg(v1)
  1732  		v.AddArg(v0)
  1733  		v2 := b.NewValue0(v.Line, OpConst64, config.fe.TypeInt())
  1734  		v2.AuxInt = int64(len(s.(string)))
  1735  		v.AddArg(v2)
  1736  		return true
  1737  	}
  1738  	return false
  1739  }
  1740  func rewriteValuegeneric_OpConvert(v *Value, config *Config) bool {
  1741  	b := v.Block
  1742  	_ = b
  1743  	// match: (Convert (Add64 (Convert ptr mem) off) mem)
  1744  	// cond:
  1745  	// result: (Add64 ptr off)
  1746  	for {
  1747  		v_0 := v.Args[0]
  1748  		if v_0.Op != OpAdd64 {
  1749  			break
  1750  		}
  1751  		v_0_0 := v_0.Args[0]
  1752  		if v_0_0.Op != OpConvert {
  1753  			break
  1754  		}
  1755  		ptr := v_0_0.Args[0]
  1756  		mem := v_0_0.Args[1]
  1757  		off := v_0.Args[1]
  1758  		if mem != v.Args[1] {
  1759  			break
  1760  		}
  1761  		v.reset(OpAdd64)
  1762  		v.AddArg(ptr)
  1763  		v.AddArg(off)
  1764  		return true
  1765  	}
  1766  	// match: (Convert (Add64 off (Convert ptr mem)) mem)
  1767  	// cond:
  1768  	// result: (Add64 ptr off)
  1769  	for {
  1770  		v_0 := v.Args[0]
  1771  		if v_0.Op != OpAdd64 {
  1772  			break
  1773  		}
  1774  		off := v_0.Args[0]
  1775  		v_0_1 := v_0.Args[1]
  1776  		if v_0_1.Op != OpConvert {
  1777  			break
  1778  		}
  1779  		ptr := v_0_1.Args[0]
  1780  		mem := v_0_1.Args[1]
  1781  		if mem != v.Args[1] {
  1782  			break
  1783  		}
  1784  		v.reset(OpAdd64)
  1785  		v.AddArg(ptr)
  1786  		v.AddArg(off)
  1787  		return true
  1788  	}
  1789  	// match: (Convert (Convert ptr mem) mem)
  1790  	// cond:
  1791  	// result: ptr
  1792  	for {
  1793  		v_0 := v.Args[0]
  1794  		if v_0.Op != OpConvert {
  1795  			break
  1796  		}
  1797  		ptr := v_0.Args[0]
  1798  		mem := v_0.Args[1]
  1799  		if mem != v.Args[1] {
  1800  			break
  1801  		}
  1802  		v.reset(OpCopy)
  1803  		v.Type = ptr.Type
  1804  		v.AddArg(ptr)
  1805  		return true
  1806  	}
  1807  	return false
  1808  }
  1809  func rewriteValuegeneric_OpCvt32Fto64F(v *Value, config *Config) bool {
  1810  	b := v.Block
  1811  	_ = b
  1812  	// match: (Cvt32Fto64F (Const32F [c]))
  1813  	// cond:
  1814  	// result: (Const64F [c])
  1815  	for {
  1816  		v_0 := v.Args[0]
  1817  		if v_0.Op != OpConst32F {
  1818  			break
  1819  		}
  1820  		c := v_0.AuxInt
  1821  		v.reset(OpConst64F)
  1822  		v.AuxInt = c
  1823  		return true
  1824  	}
  1825  	return false
  1826  }
  1827  func rewriteValuegeneric_OpCvt64Fto32F(v *Value, config *Config) bool {
  1828  	b := v.Block
  1829  	_ = b
  1830  	// match: (Cvt64Fto32F (Const64F [c]))
  1831  	// cond:
  1832  	// result: (Const32F [f2i(float64(i2f32(c)))])
  1833  	for {
  1834  		v_0 := v.Args[0]
  1835  		if v_0.Op != OpConst64F {
  1836  			break
  1837  		}
  1838  		c := v_0.AuxInt
  1839  		v.reset(OpConst32F)
  1840  		v.AuxInt = f2i(float64(i2f32(c)))
  1841  		return true
  1842  	}
  1843  	return false
  1844  }
  1845  func rewriteValuegeneric_OpDiv64(v *Value, config *Config) bool {
  1846  	b := v.Block
  1847  	_ = b
  1848  	// match: (Div64 <t> x (Const64 [c]))
  1849  	// cond: c > 0 && smagic64ok(c) && smagic64m(c) > 0
  1850  	// result: (Sub64 <t>     (Rsh64x64 <t>       (Hmul64 <t>         (Const64 <t> [smagic64m(c)])         x)       (Const64 <t> [smagic64s(c)]))     (Rsh64x64 <t>       x       (Const64 <t> [63])))
  1851  	for {
  1852  		t := v.Type
  1853  		x := v.Args[0]
  1854  		v_1 := v.Args[1]
  1855  		if v_1.Op != OpConst64 {
  1856  			break
  1857  		}
  1858  		c := v_1.AuxInt
  1859  		if !(c > 0 && smagic64ok(c) && smagic64m(c) > 0) {
  1860  			break
  1861  		}
  1862  		v.reset(OpSub64)
  1863  		v.Type = t
  1864  		v0 := b.NewValue0(v.Line, OpRsh64x64, t)
  1865  		v1 := b.NewValue0(v.Line, OpHmul64, t)
  1866  		v2 := b.NewValue0(v.Line, OpConst64, t)
  1867  		v2.AuxInt = smagic64m(c)
  1868  		v1.AddArg(v2)
  1869  		v1.AddArg(x)
  1870  		v0.AddArg(v1)
  1871  		v3 := b.NewValue0(v.Line, OpConst64, t)
  1872  		v3.AuxInt = smagic64s(c)
  1873  		v0.AddArg(v3)
  1874  		v.AddArg(v0)
  1875  		v4 := b.NewValue0(v.Line, OpRsh64x64, t)
  1876  		v4.AddArg(x)
  1877  		v5 := b.NewValue0(v.Line, OpConst64, t)
  1878  		v5.AuxInt = 63
  1879  		v4.AddArg(v5)
  1880  		v.AddArg(v4)
  1881  		return true
  1882  	}
  1883  	// match: (Div64 <t> x (Const64 [c]))
  1884  	// cond: c > 0 && smagic64ok(c) && smagic64m(c) < 0
  1885  	// result: (Sub64 <t>     (Rsh64x64 <t>       (Add64 <t>         (Hmul64 <t>           (Const64 <t> [smagic64m(c)])           x)         x)       (Const64 <t> [smagic64s(c)]))     (Rsh64x64 <t>       x       (Const64 <t> [63])))
  1886  	for {
  1887  		t := v.Type
  1888  		x := v.Args[0]
  1889  		v_1 := v.Args[1]
  1890  		if v_1.Op != OpConst64 {
  1891  			break
  1892  		}
  1893  		c := v_1.AuxInt
  1894  		if !(c > 0 && smagic64ok(c) && smagic64m(c) < 0) {
  1895  			break
  1896  		}
  1897  		v.reset(OpSub64)
  1898  		v.Type = t
  1899  		v0 := b.NewValue0(v.Line, OpRsh64x64, t)
  1900  		v1 := b.NewValue0(v.Line, OpAdd64, t)
  1901  		v2 := b.NewValue0(v.Line, OpHmul64, t)
  1902  		v3 := b.NewValue0(v.Line, OpConst64, t)
  1903  		v3.AuxInt = smagic64m(c)
  1904  		v2.AddArg(v3)
  1905  		v2.AddArg(x)
  1906  		v1.AddArg(v2)
  1907  		v1.AddArg(x)
  1908  		v0.AddArg(v1)
  1909  		v4 := b.NewValue0(v.Line, OpConst64, t)
  1910  		v4.AuxInt = smagic64s(c)
  1911  		v0.AddArg(v4)
  1912  		v.AddArg(v0)
  1913  		v5 := b.NewValue0(v.Line, OpRsh64x64, t)
  1914  		v5.AddArg(x)
  1915  		v6 := b.NewValue0(v.Line, OpConst64, t)
  1916  		v6.AuxInt = 63
  1917  		v5.AddArg(v6)
  1918  		v.AddArg(v5)
  1919  		return true
  1920  	}
  1921  	// match: (Div64 <t> x (Const64 [c]))
  1922  	// cond: c < 0 && smagic64ok(c) && smagic64m(c) > 0
  1923  	// result: (Neg64 <t>     (Sub64 <t>       (Rsh64x64 <t>         (Hmul64 <t>           (Const64 <t> [smagic64m(c)])           x)         (Const64 <t> [smagic64s(c)]))       (Rsh64x64 <t>         x         (Const64 <t> [63]))))
  1924  	for {
  1925  		t := v.Type
  1926  		x := v.Args[0]
  1927  		v_1 := v.Args[1]
  1928  		if v_1.Op != OpConst64 {
  1929  			break
  1930  		}
  1931  		c := v_1.AuxInt
  1932  		if !(c < 0 && smagic64ok(c) && smagic64m(c) > 0) {
  1933  			break
  1934  		}
  1935  		v.reset(OpNeg64)
  1936  		v.Type = t
  1937  		v0 := b.NewValue0(v.Line, OpSub64, t)
  1938  		v1 := b.NewValue0(v.Line, OpRsh64x64, t)
  1939  		v2 := b.NewValue0(v.Line, OpHmul64, t)
  1940  		v3 := b.NewValue0(v.Line, OpConst64, t)
  1941  		v3.AuxInt = smagic64m(c)
  1942  		v2.AddArg(v3)
  1943  		v2.AddArg(x)
  1944  		v1.AddArg(v2)
  1945  		v4 := b.NewValue0(v.Line, OpConst64, t)
  1946  		v4.AuxInt = smagic64s(c)
  1947  		v1.AddArg(v4)
  1948  		v0.AddArg(v1)
  1949  		v5 := b.NewValue0(v.Line, OpRsh64x64, t)
  1950  		v5.AddArg(x)
  1951  		v6 := b.NewValue0(v.Line, OpConst64, t)
  1952  		v6.AuxInt = 63
  1953  		v5.AddArg(v6)
  1954  		v0.AddArg(v5)
  1955  		v.AddArg(v0)
  1956  		return true
  1957  	}
  1958  	// match: (Div64 <t> x (Const64 [c]))
  1959  	// cond: c < 0 && smagic64ok(c) && smagic64m(c) < 0
  1960  	// result: (Neg64 <t>     (Sub64 <t>       (Rsh64x64 <t>         (Add64 <t>           (Hmul64 <t>             (Const64 <t> [smagic64m(c)])             x)           x)         (Const64 <t> [smagic64s(c)]))       (Rsh64x64 <t>         x         (Const64 <t> [63]))))
  1961  	for {
  1962  		t := v.Type
  1963  		x := v.Args[0]
  1964  		v_1 := v.Args[1]
  1965  		if v_1.Op != OpConst64 {
  1966  			break
  1967  		}
  1968  		c := v_1.AuxInt
  1969  		if !(c < 0 && smagic64ok(c) && smagic64m(c) < 0) {
  1970  			break
  1971  		}
  1972  		v.reset(OpNeg64)
  1973  		v.Type = t
  1974  		v0 := b.NewValue0(v.Line, OpSub64, t)
  1975  		v1 := b.NewValue0(v.Line, OpRsh64x64, t)
  1976  		v2 := b.NewValue0(v.Line, OpAdd64, t)
  1977  		v3 := b.NewValue0(v.Line, OpHmul64, t)
  1978  		v4 := b.NewValue0(v.Line, OpConst64, t)
  1979  		v4.AuxInt = smagic64m(c)
  1980  		v3.AddArg(v4)
  1981  		v3.AddArg(x)
  1982  		v2.AddArg(v3)
  1983  		v2.AddArg(x)
  1984  		v1.AddArg(v2)
  1985  		v5 := b.NewValue0(v.Line, OpConst64, t)
  1986  		v5.AuxInt = smagic64s(c)
  1987  		v1.AddArg(v5)
  1988  		v0.AddArg(v1)
  1989  		v6 := b.NewValue0(v.Line, OpRsh64x64, t)
  1990  		v6.AddArg(x)
  1991  		v7 := b.NewValue0(v.Line, OpConst64, t)
  1992  		v7.AuxInt = 63
  1993  		v6.AddArg(v7)
  1994  		v0.AddArg(v6)
  1995  		v.AddArg(v0)
  1996  		return true
  1997  	}
  1998  	return false
  1999  }
  2000  func rewriteValuegeneric_OpDiv64u(v *Value, config *Config) bool {
  2001  	b := v.Block
  2002  	_ = b
  2003  	// match: (Div64u <t> n (Const64 [c]))
  2004  	// cond: isPowerOfTwo(c)
  2005  	// result: (Rsh64Ux64 n (Const64 <t> [log2(c)]))
  2006  	for {
  2007  		t := v.Type
  2008  		n := v.Args[0]
  2009  		v_1 := v.Args[1]
  2010  		if v_1.Op != OpConst64 {
  2011  			break
  2012  		}
  2013  		c := v_1.AuxInt
  2014  		if !(isPowerOfTwo(c)) {
  2015  			break
  2016  		}
  2017  		v.reset(OpRsh64Ux64)
  2018  		v.AddArg(n)
  2019  		v0 := b.NewValue0(v.Line, OpConst64, t)
  2020  		v0.AuxInt = log2(c)
  2021  		v.AddArg(v0)
  2022  		return true
  2023  	}
  2024  	// match: (Div64u <t> x (Const64 [c]))
  2025  	// cond: umagic64ok(c) && !umagic64a(c)
  2026  	// result: (Rsh64Ux64     (Hmul64u <t>       (Const64 <t> [umagic64m(c)])       x)     (Const64 <t> [umagic64s(c)]))
  2027  	for {
  2028  		t := v.Type
  2029  		x := v.Args[0]
  2030  		v_1 := v.Args[1]
  2031  		if v_1.Op != OpConst64 {
  2032  			break
  2033  		}
  2034  		c := v_1.AuxInt
  2035  		if !(umagic64ok(c) && !umagic64a(c)) {
  2036  			break
  2037  		}
  2038  		v.reset(OpRsh64Ux64)
  2039  		v0 := b.NewValue0(v.Line, OpHmul64u, t)
  2040  		v1 := b.NewValue0(v.Line, OpConst64, t)
  2041  		v1.AuxInt = umagic64m(c)
  2042  		v0.AddArg(v1)
  2043  		v0.AddArg(x)
  2044  		v.AddArg(v0)
  2045  		v2 := b.NewValue0(v.Line, OpConst64, t)
  2046  		v2.AuxInt = umagic64s(c)
  2047  		v.AddArg(v2)
  2048  		return true
  2049  	}
  2050  	// match: (Div64u <t> x (Const64 [c]))
  2051  	// cond: umagic64ok(c) && umagic64a(c)
  2052  	// result: (Rsh64Ux64     (Avg64u <t>       (Hmul64u <t>         x         (Const64 <t> [umagic64m(c)]))       x)     (Const64 <t> [umagic64s(c)-1]))
  2053  	for {
  2054  		t := v.Type
  2055  		x := v.Args[0]
  2056  		v_1 := v.Args[1]
  2057  		if v_1.Op != OpConst64 {
  2058  			break
  2059  		}
  2060  		c := v_1.AuxInt
  2061  		if !(umagic64ok(c) && umagic64a(c)) {
  2062  			break
  2063  		}
  2064  		v.reset(OpRsh64Ux64)
  2065  		v0 := b.NewValue0(v.Line, OpAvg64u, t)
  2066  		v1 := b.NewValue0(v.Line, OpHmul64u, t)
  2067  		v1.AddArg(x)
  2068  		v2 := b.NewValue0(v.Line, OpConst64, t)
  2069  		v2.AuxInt = umagic64m(c)
  2070  		v1.AddArg(v2)
  2071  		v0.AddArg(v1)
  2072  		v0.AddArg(x)
  2073  		v.AddArg(v0)
  2074  		v3 := b.NewValue0(v.Line, OpConst64, t)
  2075  		v3.AuxInt = umagic64s(c) - 1
  2076  		v.AddArg(v3)
  2077  		return true
  2078  	}
  2079  	return false
  2080  }
  2081  func rewriteValuegeneric_OpEq16(v *Value, config *Config) bool {
  2082  	b := v.Block
  2083  	_ = b
  2084  	// match: (Eq16 x x)
  2085  	// cond:
  2086  	// result: (ConstBool [1])
  2087  	for {
  2088  		x := v.Args[0]
  2089  		if x != v.Args[1] {
  2090  			break
  2091  		}
  2092  		v.reset(OpConstBool)
  2093  		v.AuxInt = 1
  2094  		return true
  2095  	}
  2096  	// match: (Eq16 (Const16 <t> [c]) (Add16 (Const16 <t> [d]) x))
  2097  	// cond:
  2098  	// result: (Eq16 (Const16 <t> [int64(int16(c-d))]) x)
  2099  	for {
  2100  		v_0 := v.Args[0]
  2101  		if v_0.Op != OpConst16 {
  2102  			break
  2103  		}
  2104  		t := v_0.Type
  2105  		c := v_0.AuxInt
  2106  		v_1 := v.Args[1]
  2107  		if v_1.Op != OpAdd16 {
  2108  			break
  2109  		}
  2110  		v_1_0 := v_1.Args[0]
  2111  		if v_1_0.Op != OpConst16 {
  2112  			break
  2113  		}
  2114  		if v_1_0.Type != t {
  2115  			break
  2116  		}
  2117  		d := v_1_0.AuxInt
  2118  		x := v_1.Args[1]
  2119  		v.reset(OpEq16)
  2120  		v0 := b.NewValue0(v.Line, OpConst16, t)
  2121  		v0.AuxInt = int64(int16(c - d))
  2122  		v.AddArg(v0)
  2123  		v.AddArg(x)
  2124  		return true
  2125  	}
  2126  	// match: (Eq16 x (Const16 <t> [c]))
  2127  	// cond: x.Op != OpConst16
  2128  	// result: (Eq16 (Const16 <t> [c]) x)
  2129  	for {
  2130  		x := v.Args[0]
  2131  		v_1 := v.Args[1]
  2132  		if v_1.Op != OpConst16 {
  2133  			break
  2134  		}
  2135  		t := v_1.Type
  2136  		c := v_1.AuxInt
  2137  		if !(x.Op != OpConst16) {
  2138  			break
  2139  		}
  2140  		v.reset(OpEq16)
  2141  		v0 := b.NewValue0(v.Line, OpConst16, t)
  2142  		v0.AuxInt = c
  2143  		v.AddArg(v0)
  2144  		v.AddArg(x)
  2145  		return true
  2146  	}
  2147  	// match: (Eq16 (Const16 [c]) (Const16 [d]))
  2148  	// cond:
  2149  	// result: (ConstBool [b2i(c == d)])
  2150  	for {
  2151  		v_0 := v.Args[0]
  2152  		if v_0.Op != OpConst16 {
  2153  			break
  2154  		}
  2155  		c := v_0.AuxInt
  2156  		v_1 := v.Args[1]
  2157  		if v_1.Op != OpConst16 {
  2158  			break
  2159  		}
  2160  		d := v_1.AuxInt
  2161  		v.reset(OpConstBool)
  2162  		v.AuxInt = b2i(c == d)
  2163  		return true
  2164  	}
  2165  	return false
  2166  }
  2167  func rewriteValuegeneric_OpEq32(v *Value, config *Config) bool {
  2168  	b := v.Block
  2169  	_ = b
  2170  	// match: (Eq32 x x)
  2171  	// cond:
  2172  	// result: (ConstBool [1])
  2173  	for {
  2174  		x := v.Args[0]
  2175  		if x != v.Args[1] {
  2176  			break
  2177  		}
  2178  		v.reset(OpConstBool)
  2179  		v.AuxInt = 1
  2180  		return true
  2181  	}
  2182  	// match: (Eq32 (Const32 <t> [c]) (Add32 (Const32 <t> [d]) x))
  2183  	// cond:
  2184  	// result: (Eq32 (Const32 <t> [int64(int32(c-d))]) x)
  2185  	for {
  2186  		v_0 := v.Args[0]
  2187  		if v_0.Op != OpConst32 {
  2188  			break
  2189  		}
  2190  		t := v_0.Type
  2191  		c := v_0.AuxInt
  2192  		v_1 := v.Args[1]
  2193  		if v_1.Op != OpAdd32 {
  2194  			break
  2195  		}
  2196  		v_1_0 := v_1.Args[0]
  2197  		if v_1_0.Op != OpConst32 {
  2198  			break
  2199  		}
  2200  		if v_1_0.Type != t {
  2201  			break
  2202  		}
  2203  		d := v_1_0.AuxInt
  2204  		x := v_1.Args[1]
  2205  		v.reset(OpEq32)
  2206  		v0 := b.NewValue0(v.Line, OpConst32, t)
  2207  		v0.AuxInt = int64(int32(c - d))
  2208  		v.AddArg(v0)
  2209  		v.AddArg(x)
  2210  		return true
  2211  	}
  2212  	// match: (Eq32 x (Const32 <t> [c]))
  2213  	// cond: x.Op != OpConst32
  2214  	// result: (Eq32 (Const32 <t> [c]) x)
  2215  	for {
  2216  		x := v.Args[0]
  2217  		v_1 := v.Args[1]
  2218  		if v_1.Op != OpConst32 {
  2219  			break
  2220  		}
  2221  		t := v_1.Type
  2222  		c := v_1.AuxInt
  2223  		if !(x.Op != OpConst32) {
  2224  			break
  2225  		}
  2226  		v.reset(OpEq32)
  2227  		v0 := b.NewValue0(v.Line, OpConst32, t)
  2228  		v0.AuxInt = c
  2229  		v.AddArg(v0)
  2230  		v.AddArg(x)
  2231  		return true
  2232  	}
  2233  	// match: (Eq32 (Const32 [c]) (Const32 [d]))
  2234  	// cond:
  2235  	// result: (ConstBool [b2i(c == d)])
  2236  	for {
  2237  		v_0 := v.Args[0]
  2238  		if v_0.Op != OpConst32 {
  2239  			break
  2240  		}
  2241  		c := v_0.AuxInt
  2242  		v_1 := v.Args[1]
  2243  		if v_1.Op != OpConst32 {
  2244  			break
  2245  		}
  2246  		d := v_1.AuxInt
  2247  		v.reset(OpConstBool)
  2248  		v.AuxInt = b2i(c == d)
  2249  		return true
  2250  	}
  2251  	return false
  2252  }
  2253  func rewriteValuegeneric_OpEq64(v *Value, config *Config) bool {
  2254  	b := v.Block
  2255  	_ = b
  2256  	// match: (Eq64 x x)
  2257  	// cond:
  2258  	// result: (ConstBool [1])
  2259  	for {
  2260  		x := v.Args[0]
  2261  		if x != v.Args[1] {
  2262  			break
  2263  		}
  2264  		v.reset(OpConstBool)
  2265  		v.AuxInt = 1
  2266  		return true
  2267  	}
  2268  	// match: (Eq64 (Const64 <t> [c]) (Add64 (Const64 <t> [d]) x))
  2269  	// cond:
  2270  	// result: (Eq64 (Const64 <t> [c-d]) x)
  2271  	for {
  2272  		v_0 := v.Args[0]
  2273  		if v_0.Op != OpConst64 {
  2274  			break
  2275  		}
  2276  		t := v_0.Type
  2277  		c := v_0.AuxInt
  2278  		v_1 := v.Args[1]
  2279  		if v_1.Op != OpAdd64 {
  2280  			break
  2281  		}
  2282  		v_1_0 := v_1.Args[0]
  2283  		if v_1_0.Op != OpConst64 {
  2284  			break
  2285  		}
  2286  		if v_1_0.Type != t {
  2287  			break
  2288  		}
  2289  		d := v_1_0.AuxInt
  2290  		x := v_1.Args[1]
  2291  		v.reset(OpEq64)
  2292  		v0 := b.NewValue0(v.Line, OpConst64, t)
  2293  		v0.AuxInt = c - d
  2294  		v.AddArg(v0)
  2295  		v.AddArg(x)
  2296  		return true
  2297  	}
  2298  	// match: (Eq64 x (Const64 <t> [c]))
  2299  	// cond: x.Op != OpConst64
  2300  	// result: (Eq64 (Const64 <t> [c]) x)
  2301  	for {
  2302  		x := v.Args[0]
  2303  		v_1 := v.Args[1]
  2304  		if v_1.Op != OpConst64 {
  2305  			break
  2306  		}
  2307  		t := v_1.Type
  2308  		c := v_1.AuxInt
  2309  		if !(x.Op != OpConst64) {
  2310  			break
  2311  		}
  2312  		v.reset(OpEq64)
  2313  		v0 := b.NewValue0(v.Line, OpConst64, t)
  2314  		v0.AuxInt = c
  2315  		v.AddArg(v0)
  2316  		v.AddArg(x)
  2317  		return true
  2318  	}
  2319  	// match: (Eq64 (Const64 [c]) (Const64 [d]))
  2320  	// cond:
  2321  	// result: (ConstBool [b2i(c == d)])
  2322  	for {
  2323  		v_0 := v.Args[0]
  2324  		if v_0.Op != OpConst64 {
  2325  			break
  2326  		}
  2327  		c := v_0.AuxInt
  2328  		v_1 := v.Args[1]
  2329  		if v_1.Op != OpConst64 {
  2330  			break
  2331  		}
  2332  		d := v_1.AuxInt
  2333  		v.reset(OpConstBool)
  2334  		v.AuxInt = b2i(c == d)
  2335  		return true
  2336  	}
  2337  	return false
  2338  }
  2339  func rewriteValuegeneric_OpEq8(v *Value, config *Config) bool {
  2340  	b := v.Block
  2341  	_ = b
  2342  	// match: (Eq8  x x)
  2343  	// cond:
  2344  	// result: (ConstBool [1])
  2345  	for {
  2346  		x := v.Args[0]
  2347  		if x != v.Args[1] {
  2348  			break
  2349  		}
  2350  		v.reset(OpConstBool)
  2351  		v.AuxInt = 1
  2352  		return true
  2353  	}
  2354  	// match: (Eq8  (Const8  <t> [c]) (Add8  (Const8  <t> [d]) x))
  2355  	// cond:
  2356  	// result: (Eq8  (Const8 <t> [int64(int8(c-d))]) x)
  2357  	for {
  2358  		v_0 := v.Args[0]
  2359  		if v_0.Op != OpConst8 {
  2360  			break
  2361  		}
  2362  		t := v_0.Type
  2363  		c := v_0.AuxInt
  2364  		v_1 := v.Args[1]
  2365  		if v_1.Op != OpAdd8 {
  2366  			break
  2367  		}
  2368  		v_1_0 := v_1.Args[0]
  2369  		if v_1_0.Op != OpConst8 {
  2370  			break
  2371  		}
  2372  		if v_1_0.Type != t {
  2373  			break
  2374  		}
  2375  		d := v_1_0.AuxInt
  2376  		x := v_1.Args[1]
  2377  		v.reset(OpEq8)
  2378  		v0 := b.NewValue0(v.Line, OpConst8, t)
  2379  		v0.AuxInt = int64(int8(c - d))
  2380  		v.AddArg(v0)
  2381  		v.AddArg(x)
  2382  		return true
  2383  	}
  2384  	// match: (Eq8  x (Const8  <t> [c]))
  2385  	// cond: x.Op != OpConst8
  2386  	// result: (Eq8  (Const8  <t> [c]) x)
  2387  	for {
  2388  		x := v.Args[0]
  2389  		v_1 := v.Args[1]
  2390  		if v_1.Op != OpConst8 {
  2391  			break
  2392  		}
  2393  		t := v_1.Type
  2394  		c := v_1.AuxInt
  2395  		if !(x.Op != OpConst8) {
  2396  			break
  2397  		}
  2398  		v.reset(OpEq8)
  2399  		v0 := b.NewValue0(v.Line, OpConst8, t)
  2400  		v0.AuxInt = c
  2401  		v.AddArg(v0)
  2402  		v.AddArg(x)
  2403  		return true
  2404  	}
  2405  	// match: (Eq8  (Const8  [c]) (Const8  [d]))
  2406  	// cond:
  2407  	// result: (ConstBool [b2i(c == d)])
  2408  	for {
  2409  		v_0 := v.Args[0]
  2410  		if v_0.Op != OpConst8 {
  2411  			break
  2412  		}
  2413  		c := v_0.AuxInt
  2414  		v_1 := v.Args[1]
  2415  		if v_1.Op != OpConst8 {
  2416  			break
  2417  		}
  2418  		d := v_1.AuxInt
  2419  		v.reset(OpConstBool)
  2420  		v.AuxInt = b2i(c == d)
  2421  		return true
  2422  	}
  2423  	return false
  2424  }
  2425  func rewriteValuegeneric_OpEqB(v *Value, config *Config) bool {
  2426  	b := v.Block
  2427  	_ = b
  2428  	// match: (EqB (ConstBool [c]) (ConstBool [d]))
  2429  	// cond:
  2430  	// result: (ConstBool [b2i(c == d)])
  2431  	for {
  2432  		v_0 := v.Args[0]
  2433  		if v_0.Op != OpConstBool {
  2434  			break
  2435  		}
  2436  		c := v_0.AuxInt
  2437  		v_1 := v.Args[1]
  2438  		if v_1.Op != OpConstBool {
  2439  			break
  2440  		}
  2441  		d := v_1.AuxInt
  2442  		v.reset(OpConstBool)
  2443  		v.AuxInt = b2i(c == d)
  2444  		return true
  2445  	}
  2446  	// match: (EqB (ConstBool [0]) x)
  2447  	// cond:
  2448  	// result: (Not x)
  2449  	for {
  2450  		v_0 := v.Args[0]
  2451  		if v_0.Op != OpConstBool {
  2452  			break
  2453  		}
  2454  		if v_0.AuxInt != 0 {
  2455  			break
  2456  		}
  2457  		x := v.Args[1]
  2458  		v.reset(OpNot)
  2459  		v.AddArg(x)
  2460  		return true
  2461  	}
  2462  	// match: (EqB (ConstBool [1]) x)
  2463  	// cond:
  2464  	// result: x
  2465  	for {
  2466  		v_0 := v.Args[0]
  2467  		if v_0.Op != OpConstBool {
  2468  			break
  2469  		}
  2470  		if v_0.AuxInt != 1 {
  2471  			break
  2472  		}
  2473  		x := v.Args[1]
  2474  		v.reset(OpCopy)
  2475  		v.Type = x.Type
  2476  		v.AddArg(x)
  2477  		return true
  2478  	}
  2479  	return false
  2480  }
  2481  func rewriteValuegeneric_OpEqInter(v *Value, config *Config) bool {
  2482  	b := v.Block
  2483  	_ = b
  2484  	// match: (EqInter x y)
  2485  	// cond:
  2486  	// result: (EqPtr  (ITab x) (ITab y))
  2487  	for {
  2488  		x := v.Args[0]
  2489  		y := v.Args[1]
  2490  		v.reset(OpEqPtr)
  2491  		v0 := b.NewValue0(v.Line, OpITab, config.fe.TypeBytePtr())
  2492  		v0.AddArg(x)
  2493  		v.AddArg(v0)
  2494  		v1 := b.NewValue0(v.Line, OpITab, config.fe.TypeBytePtr())
  2495  		v1.AddArg(y)
  2496  		v.AddArg(v1)
  2497  		return true
  2498  	}
  2499  }
  2500  func rewriteValuegeneric_OpEqPtr(v *Value, config *Config) bool {
  2501  	b := v.Block
  2502  	_ = b
  2503  	// match: (EqPtr p (ConstNil))
  2504  	// cond:
  2505  	// result: (Not (IsNonNil p))
  2506  	for {
  2507  		p := v.Args[0]
  2508  		v_1 := v.Args[1]
  2509  		if v_1.Op != OpConstNil {
  2510  			break
  2511  		}
  2512  		v.reset(OpNot)
  2513  		v0 := b.NewValue0(v.Line, OpIsNonNil, config.fe.TypeBool())
  2514  		v0.AddArg(p)
  2515  		v.AddArg(v0)
  2516  		return true
  2517  	}
  2518  	// match: (EqPtr (ConstNil) p)
  2519  	// cond:
  2520  	// result: (Not (IsNonNil p))
  2521  	for {
  2522  		v_0 := v.Args[0]
  2523  		if v_0.Op != OpConstNil {
  2524  			break
  2525  		}
  2526  		p := v.Args[1]
  2527  		v.reset(OpNot)
  2528  		v0 := b.NewValue0(v.Line, OpIsNonNil, config.fe.TypeBool())
  2529  		v0.AddArg(p)
  2530  		v.AddArg(v0)
  2531  		return true
  2532  	}
  2533  	return false
  2534  }
  2535  func rewriteValuegeneric_OpEqSlice(v *Value, config *Config) bool {
  2536  	b := v.Block
  2537  	_ = b
  2538  	// match: (EqSlice x y)
  2539  	// cond:
  2540  	// result: (EqPtr  (SlicePtr x) (SlicePtr y))
  2541  	for {
  2542  		x := v.Args[0]
  2543  		y := v.Args[1]
  2544  		v.reset(OpEqPtr)
  2545  		v0 := b.NewValue0(v.Line, OpSlicePtr, config.fe.TypeBytePtr())
  2546  		v0.AddArg(x)
  2547  		v.AddArg(v0)
  2548  		v1 := b.NewValue0(v.Line, OpSlicePtr, config.fe.TypeBytePtr())
  2549  		v1.AddArg(y)
  2550  		v.AddArg(v1)
  2551  		return true
  2552  	}
  2553  }
  2554  func rewriteValuegeneric_OpGeq16(v *Value, config *Config) bool {
  2555  	b := v.Block
  2556  	_ = b
  2557  	// match: (Geq16 (Const16 [c]) (Const16 [d]))
  2558  	// cond:
  2559  	// result: (ConstBool [b2i(c >= d)])
  2560  	for {
  2561  		v_0 := v.Args[0]
  2562  		if v_0.Op != OpConst16 {
  2563  			break
  2564  		}
  2565  		c := v_0.AuxInt
  2566  		v_1 := v.Args[1]
  2567  		if v_1.Op != OpConst16 {
  2568  			break
  2569  		}
  2570  		d := v_1.AuxInt
  2571  		v.reset(OpConstBool)
  2572  		v.AuxInt = b2i(c >= d)
  2573  		return true
  2574  	}
  2575  	return false
  2576  }
  2577  func rewriteValuegeneric_OpGeq16U(v *Value, config *Config) bool {
  2578  	b := v.Block
  2579  	_ = b
  2580  	// match: (Geq16U (Const16 [c]) (Const16 [d]))
  2581  	// cond:
  2582  	// result: (ConstBool [b2i(uint16(c) >= uint16(d))])
  2583  	for {
  2584  		v_0 := v.Args[0]
  2585  		if v_0.Op != OpConst16 {
  2586  			break
  2587  		}
  2588  		c := v_0.AuxInt
  2589  		v_1 := v.Args[1]
  2590  		if v_1.Op != OpConst16 {
  2591  			break
  2592  		}
  2593  		d := v_1.AuxInt
  2594  		v.reset(OpConstBool)
  2595  		v.AuxInt = b2i(uint16(c) >= uint16(d))
  2596  		return true
  2597  	}
  2598  	return false
  2599  }
  2600  func rewriteValuegeneric_OpGeq32(v *Value, config *Config) bool {
  2601  	b := v.Block
  2602  	_ = b
  2603  	// match: (Geq32 (Const32 [c]) (Const32 [d]))
  2604  	// cond:
  2605  	// result: (ConstBool [b2i(c >= d)])
  2606  	for {
  2607  		v_0 := v.Args[0]
  2608  		if v_0.Op != OpConst32 {
  2609  			break
  2610  		}
  2611  		c := v_0.AuxInt
  2612  		v_1 := v.Args[1]
  2613  		if v_1.Op != OpConst32 {
  2614  			break
  2615  		}
  2616  		d := v_1.AuxInt
  2617  		v.reset(OpConstBool)
  2618  		v.AuxInt = b2i(c >= d)
  2619  		return true
  2620  	}
  2621  	return false
  2622  }
  2623  func rewriteValuegeneric_OpGeq32U(v *Value, config *Config) bool {
  2624  	b := v.Block
  2625  	_ = b
  2626  	// match: (Geq32U (Const32 [c]) (Const32 [d]))
  2627  	// cond:
  2628  	// result: (ConstBool [b2i(uint32(c) >= uint32(d))])
  2629  	for {
  2630  		v_0 := v.Args[0]
  2631  		if v_0.Op != OpConst32 {
  2632  			break
  2633  		}
  2634  		c := v_0.AuxInt
  2635  		v_1 := v.Args[1]
  2636  		if v_1.Op != OpConst32 {
  2637  			break
  2638  		}
  2639  		d := v_1.AuxInt
  2640  		v.reset(OpConstBool)
  2641  		v.AuxInt = b2i(uint32(c) >= uint32(d))
  2642  		return true
  2643  	}
  2644  	return false
  2645  }
  2646  func rewriteValuegeneric_OpGeq64(v *Value, config *Config) bool {
  2647  	b := v.Block
  2648  	_ = b
  2649  	// match: (Geq64 (Const64 [c]) (Const64 [d]))
  2650  	// cond:
  2651  	// result: (ConstBool [b2i(c >= d)])
  2652  	for {
  2653  		v_0 := v.Args[0]
  2654  		if v_0.Op != OpConst64 {
  2655  			break
  2656  		}
  2657  		c := v_0.AuxInt
  2658  		v_1 := v.Args[1]
  2659  		if v_1.Op != OpConst64 {
  2660  			break
  2661  		}
  2662  		d := v_1.AuxInt
  2663  		v.reset(OpConstBool)
  2664  		v.AuxInt = b2i(c >= d)
  2665  		return true
  2666  	}
  2667  	return false
  2668  }
  2669  func rewriteValuegeneric_OpGeq64U(v *Value, config *Config) bool {
  2670  	b := v.Block
  2671  	_ = b
  2672  	// match: (Geq64U (Const64 [c]) (Const64 [d]))
  2673  	// cond:
  2674  	// result: (ConstBool [b2i(uint64(c) >= uint64(d))])
  2675  	for {
  2676  		v_0 := v.Args[0]
  2677  		if v_0.Op != OpConst64 {
  2678  			break
  2679  		}
  2680  		c := v_0.AuxInt
  2681  		v_1 := v.Args[1]
  2682  		if v_1.Op != OpConst64 {
  2683  			break
  2684  		}
  2685  		d := v_1.AuxInt
  2686  		v.reset(OpConstBool)
  2687  		v.AuxInt = b2i(uint64(c) >= uint64(d))
  2688  		return true
  2689  	}
  2690  	return false
  2691  }
  2692  func rewriteValuegeneric_OpGeq8(v *Value, config *Config) bool {
  2693  	b := v.Block
  2694  	_ = b
  2695  	// match: (Geq8  (Const8  [c]) (Const8  [d]))
  2696  	// cond:
  2697  	// result: (ConstBool [b2i(c >= d)])
  2698  	for {
  2699  		v_0 := v.Args[0]
  2700  		if v_0.Op != OpConst8 {
  2701  			break
  2702  		}
  2703  		c := v_0.AuxInt
  2704  		v_1 := v.Args[1]
  2705  		if v_1.Op != OpConst8 {
  2706  			break
  2707  		}
  2708  		d := v_1.AuxInt
  2709  		v.reset(OpConstBool)
  2710  		v.AuxInt = b2i(c >= d)
  2711  		return true
  2712  	}
  2713  	return false
  2714  }
  2715  func rewriteValuegeneric_OpGeq8U(v *Value, config *Config) bool {
  2716  	b := v.Block
  2717  	_ = b
  2718  	// match: (Geq8U  (Const8  [c]) (Const8  [d]))
  2719  	// cond:
  2720  	// result: (ConstBool [b2i(uint8(c)  >= uint8(d))])
  2721  	for {
  2722  		v_0 := v.Args[0]
  2723  		if v_0.Op != OpConst8 {
  2724  			break
  2725  		}
  2726  		c := v_0.AuxInt
  2727  		v_1 := v.Args[1]
  2728  		if v_1.Op != OpConst8 {
  2729  			break
  2730  		}
  2731  		d := v_1.AuxInt
  2732  		v.reset(OpConstBool)
  2733  		v.AuxInt = b2i(uint8(c) >= uint8(d))
  2734  		return true
  2735  	}
  2736  	return false
  2737  }
  2738  func rewriteValuegeneric_OpGreater16(v *Value, config *Config) bool {
  2739  	b := v.Block
  2740  	_ = b
  2741  	// match: (Greater16 (Const16 [c]) (Const16 [d]))
  2742  	// cond:
  2743  	// result: (ConstBool [b2i(c > d)])
  2744  	for {
  2745  		v_0 := v.Args[0]
  2746  		if v_0.Op != OpConst16 {
  2747  			break
  2748  		}
  2749  		c := v_0.AuxInt
  2750  		v_1 := v.Args[1]
  2751  		if v_1.Op != OpConst16 {
  2752  			break
  2753  		}
  2754  		d := v_1.AuxInt
  2755  		v.reset(OpConstBool)
  2756  		v.AuxInt = b2i(c > d)
  2757  		return true
  2758  	}
  2759  	return false
  2760  }
  2761  func rewriteValuegeneric_OpGreater16U(v *Value, config *Config) bool {
  2762  	b := v.Block
  2763  	_ = b
  2764  	// match: (Greater16U (Const16 [c]) (Const16 [d]))
  2765  	// cond:
  2766  	// result: (ConstBool [b2i(uint16(c) > uint16(d))])
  2767  	for {
  2768  		v_0 := v.Args[0]
  2769  		if v_0.Op != OpConst16 {
  2770  			break
  2771  		}
  2772  		c := v_0.AuxInt
  2773  		v_1 := v.Args[1]
  2774  		if v_1.Op != OpConst16 {
  2775  			break
  2776  		}
  2777  		d := v_1.AuxInt
  2778  		v.reset(OpConstBool)
  2779  		v.AuxInt = b2i(uint16(c) > uint16(d))
  2780  		return true
  2781  	}
  2782  	return false
  2783  }
  2784  func rewriteValuegeneric_OpGreater32(v *Value, config *Config) bool {
  2785  	b := v.Block
  2786  	_ = b
  2787  	// match: (Greater32 (Const32 [c]) (Const32 [d]))
  2788  	// cond:
  2789  	// result: (ConstBool [b2i(c > d)])
  2790  	for {
  2791  		v_0 := v.Args[0]
  2792  		if v_0.Op != OpConst32 {
  2793  			break
  2794  		}
  2795  		c := v_0.AuxInt
  2796  		v_1 := v.Args[1]
  2797  		if v_1.Op != OpConst32 {
  2798  			break
  2799  		}
  2800  		d := v_1.AuxInt
  2801  		v.reset(OpConstBool)
  2802  		v.AuxInt = b2i(c > d)
  2803  		return true
  2804  	}
  2805  	return false
  2806  }
  2807  func rewriteValuegeneric_OpGreater32U(v *Value, config *Config) bool {
  2808  	b := v.Block
  2809  	_ = b
  2810  	// match: (Greater32U (Const32 [c]) (Const32 [d]))
  2811  	// cond:
  2812  	// result: (ConstBool [b2i(uint32(c) > uint32(d))])
  2813  	for {
  2814  		v_0 := v.Args[0]
  2815  		if v_0.Op != OpConst32 {
  2816  			break
  2817  		}
  2818  		c := v_0.AuxInt
  2819  		v_1 := v.Args[1]
  2820  		if v_1.Op != OpConst32 {
  2821  			break
  2822  		}
  2823  		d := v_1.AuxInt
  2824  		v.reset(OpConstBool)
  2825  		v.AuxInt = b2i(uint32(c) > uint32(d))
  2826  		return true
  2827  	}
  2828  	return false
  2829  }
  2830  func rewriteValuegeneric_OpGreater64(v *Value, config *Config) bool {
  2831  	b := v.Block
  2832  	_ = b
  2833  	// match: (Greater64 (Const64 [c]) (Const64 [d]))
  2834  	// cond:
  2835  	// result: (ConstBool [b2i(c > d)])
  2836  	for {
  2837  		v_0 := v.Args[0]
  2838  		if v_0.Op != OpConst64 {
  2839  			break
  2840  		}
  2841  		c := v_0.AuxInt
  2842  		v_1 := v.Args[1]
  2843  		if v_1.Op != OpConst64 {
  2844  			break
  2845  		}
  2846  		d := v_1.AuxInt
  2847  		v.reset(OpConstBool)
  2848  		v.AuxInt = b2i(c > d)
  2849  		return true
  2850  	}
  2851  	return false
  2852  }
  2853  func rewriteValuegeneric_OpGreater64U(v *Value, config *Config) bool {
  2854  	b := v.Block
  2855  	_ = b
  2856  	// match: (Greater64U (Const64 [c]) (Const64 [d]))
  2857  	// cond:
  2858  	// result: (ConstBool [b2i(uint64(c) > uint64(d))])
  2859  	for {
  2860  		v_0 := v.Args[0]
  2861  		if v_0.Op != OpConst64 {
  2862  			break
  2863  		}
  2864  		c := v_0.AuxInt
  2865  		v_1 := v.Args[1]
  2866  		if v_1.Op != OpConst64 {
  2867  			break
  2868  		}
  2869  		d := v_1.AuxInt
  2870  		v.reset(OpConstBool)
  2871  		v.AuxInt = b2i(uint64(c) > uint64(d))
  2872  		return true
  2873  	}
  2874  	return false
  2875  }
  2876  func rewriteValuegeneric_OpGreater8(v *Value, config *Config) bool {
  2877  	b := v.Block
  2878  	_ = b
  2879  	// match: (Greater8  (Const8  [c]) (Const8  [d]))
  2880  	// cond:
  2881  	// result: (ConstBool [b2i(c > d)])
  2882  	for {
  2883  		v_0 := v.Args[0]
  2884  		if v_0.Op != OpConst8 {
  2885  			break
  2886  		}
  2887  		c := v_0.AuxInt
  2888  		v_1 := v.Args[1]
  2889  		if v_1.Op != OpConst8 {
  2890  			break
  2891  		}
  2892  		d := v_1.AuxInt
  2893  		v.reset(OpConstBool)
  2894  		v.AuxInt = b2i(c > d)
  2895  		return true
  2896  	}
  2897  	return false
  2898  }
  2899  func rewriteValuegeneric_OpGreater8U(v *Value, config *Config) bool {
  2900  	b := v.Block
  2901  	_ = b
  2902  	// match: (Greater8U  (Const8  [c]) (Const8  [d]))
  2903  	// cond:
  2904  	// result: (ConstBool [b2i(uint8(c)  > uint8(d))])
  2905  	for {
  2906  		v_0 := v.Args[0]
  2907  		if v_0.Op != OpConst8 {
  2908  			break
  2909  		}
  2910  		c := v_0.AuxInt
  2911  		v_1 := v.Args[1]
  2912  		if v_1.Op != OpConst8 {
  2913  			break
  2914  		}
  2915  		d := v_1.AuxInt
  2916  		v.reset(OpConstBool)
  2917  		v.AuxInt = b2i(uint8(c) > uint8(d))
  2918  		return true
  2919  	}
  2920  	return false
  2921  }
  2922  func rewriteValuegeneric_OpIsInBounds(v *Value, config *Config) bool {
  2923  	b := v.Block
  2924  	_ = b
  2925  	// match: (IsInBounds (ZeroExt8to32  _) (Const32 [c]))
  2926  	// cond: (1 << 8)  <= c
  2927  	// result: (ConstBool [1])
  2928  	for {
  2929  		v_0 := v.Args[0]
  2930  		if v_0.Op != OpZeroExt8to32 {
  2931  			break
  2932  		}
  2933  		v_1 := v.Args[1]
  2934  		if v_1.Op != OpConst32 {
  2935  			break
  2936  		}
  2937  		c := v_1.AuxInt
  2938  		if !((1 << 8) <= c) {
  2939  			break
  2940  		}
  2941  		v.reset(OpConstBool)
  2942  		v.AuxInt = 1
  2943  		return true
  2944  	}
  2945  	// match: (IsInBounds (ZeroExt8to64  _) (Const64 [c]))
  2946  	// cond: (1 << 8)  <= c
  2947  	// result: (ConstBool [1])
  2948  	for {
  2949  		v_0 := v.Args[0]
  2950  		if v_0.Op != OpZeroExt8to64 {
  2951  			break
  2952  		}
  2953  		v_1 := v.Args[1]
  2954  		if v_1.Op != OpConst64 {
  2955  			break
  2956  		}
  2957  		c := v_1.AuxInt
  2958  		if !((1 << 8) <= c) {
  2959  			break
  2960  		}
  2961  		v.reset(OpConstBool)
  2962  		v.AuxInt = 1
  2963  		return true
  2964  	}
  2965  	// match: (IsInBounds (ZeroExt16to32 _) (Const32 [c]))
  2966  	// cond: (1 << 16) <= c
  2967  	// result: (ConstBool [1])
  2968  	for {
  2969  		v_0 := v.Args[0]
  2970  		if v_0.Op != OpZeroExt16to32 {
  2971  			break
  2972  		}
  2973  		v_1 := v.Args[1]
  2974  		if v_1.Op != OpConst32 {
  2975  			break
  2976  		}
  2977  		c := v_1.AuxInt
  2978  		if !((1 << 16) <= c) {
  2979  			break
  2980  		}
  2981  		v.reset(OpConstBool)
  2982  		v.AuxInt = 1
  2983  		return true
  2984  	}
  2985  	// match: (IsInBounds (ZeroExt16to64 _) (Const64 [c]))
  2986  	// cond: (1 << 16) <= c
  2987  	// result: (ConstBool [1])
  2988  	for {
  2989  		v_0 := v.Args[0]
  2990  		if v_0.Op != OpZeroExt16to64 {
  2991  			break
  2992  		}
  2993  		v_1 := v.Args[1]
  2994  		if v_1.Op != OpConst64 {
  2995  			break
  2996  		}
  2997  		c := v_1.AuxInt
  2998  		if !((1 << 16) <= c) {
  2999  			break
  3000  		}
  3001  		v.reset(OpConstBool)
  3002  		v.AuxInt = 1
  3003  		return true
  3004  	}
  3005  	// match: (IsInBounds x x)
  3006  	// cond:
  3007  	// result: (ConstBool [0])
  3008  	for {
  3009  		x := v.Args[0]
  3010  		if x != v.Args[1] {
  3011  			break
  3012  		}
  3013  		v.reset(OpConstBool)
  3014  		v.AuxInt = 0
  3015  		return true
  3016  	}
  3017  	// match: (IsInBounds (And32 (Const32 [c]) _) (Const32 [d]))
  3018  	// cond: 0 <= c && c < d
  3019  	// result: (ConstBool [1])
  3020  	for {
  3021  		v_0 := v.Args[0]
  3022  		if v_0.Op != OpAnd32 {
  3023  			break
  3024  		}
  3025  		v_0_0 := v_0.Args[0]
  3026  		if v_0_0.Op != OpConst32 {
  3027  			break
  3028  		}
  3029  		c := v_0_0.AuxInt
  3030  		v_1 := v.Args[1]
  3031  		if v_1.Op != OpConst32 {
  3032  			break
  3033  		}
  3034  		d := v_1.AuxInt
  3035  		if !(0 <= c && c < d) {
  3036  			break
  3037  		}
  3038  		v.reset(OpConstBool)
  3039  		v.AuxInt = 1
  3040  		return true
  3041  	}
  3042  	// match: (IsInBounds (And64 (Const64 [c]) _) (Const64 [d]))
  3043  	// cond: 0 <= c && c < d
  3044  	// result: (ConstBool [1])
  3045  	for {
  3046  		v_0 := v.Args[0]
  3047  		if v_0.Op != OpAnd64 {
  3048  			break
  3049  		}
  3050  		v_0_0 := v_0.Args[0]
  3051  		if v_0_0.Op != OpConst64 {
  3052  			break
  3053  		}
  3054  		c := v_0_0.AuxInt
  3055  		v_1 := v.Args[1]
  3056  		if v_1.Op != OpConst64 {
  3057  			break
  3058  		}
  3059  		d := v_1.AuxInt
  3060  		if !(0 <= c && c < d) {
  3061  			break
  3062  		}
  3063  		v.reset(OpConstBool)
  3064  		v.AuxInt = 1
  3065  		return true
  3066  	}
  3067  	// match: (IsInBounds (Const32 [c]) (Const32 [d]))
  3068  	// cond:
  3069  	// result: (ConstBool [b2i(0 <= c && c < d)])
  3070  	for {
  3071  		v_0 := v.Args[0]
  3072  		if v_0.Op != OpConst32 {
  3073  			break
  3074  		}
  3075  		c := v_0.AuxInt
  3076  		v_1 := v.Args[1]
  3077  		if v_1.Op != OpConst32 {
  3078  			break
  3079  		}
  3080  		d := v_1.AuxInt
  3081  		v.reset(OpConstBool)
  3082  		v.AuxInt = b2i(0 <= c && c < d)
  3083  		return true
  3084  	}
  3085  	// match: (IsInBounds (Const64 [c]) (Const64 [d]))
  3086  	// cond:
  3087  	// result: (ConstBool [b2i(0 <= c && c < d)])
  3088  	for {
  3089  		v_0 := v.Args[0]
  3090  		if v_0.Op != OpConst64 {
  3091  			break
  3092  		}
  3093  		c := v_0.AuxInt
  3094  		v_1 := v.Args[1]
  3095  		if v_1.Op != OpConst64 {
  3096  			break
  3097  		}
  3098  		d := v_1.AuxInt
  3099  		v.reset(OpConstBool)
  3100  		v.AuxInt = b2i(0 <= c && c < d)
  3101  		return true
  3102  	}
  3103  	// match: (IsInBounds (Mod32u _ y) y)
  3104  	// cond:
  3105  	// result: (ConstBool [1])
  3106  	for {
  3107  		v_0 := v.Args[0]
  3108  		if v_0.Op != OpMod32u {
  3109  			break
  3110  		}
  3111  		y := v_0.Args[1]
  3112  		if y != v.Args[1] {
  3113  			break
  3114  		}
  3115  		v.reset(OpConstBool)
  3116  		v.AuxInt = 1
  3117  		return true
  3118  	}
  3119  	// match: (IsInBounds (Mod64u _ y) y)
  3120  	// cond:
  3121  	// result: (ConstBool [1])
  3122  	for {
  3123  		v_0 := v.Args[0]
  3124  		if v_0.Op != OpMod64u {
  3125  			break
  3126  		}
  3127  		y := v_0.Args[1]
  3128  		if y != v.Args[1] {
  3129  			break
  3130  		}
  3131  		v.reset(OpConstBool)
  3132  		v.AuxInt = 1
  3133  		return true
  3134  	}
  3135  	return false
  3136  }
  3137  func rewriteValuegeneric_OpIsSliceInBounds(v *Value, config *Config) bool {
  3138  	b := v.Block
  3139  	_ = b
  3140  	// match: (IsSliceInBounds x x)
  3141  	// cond:
  3142  	// result: (ConstBool [1])
  3143  	for {
  3144  		x := v.Args[0]
  3145  		if x != v.Args[1] {
  3146  			break
  3147  		}
  3148  		v.reset(OpConstBool)
  3149  		v.AuxInt = 1
  3150  		return true
  3151  	}
  3152  	// match: (IsSliceInBounds (And32 (Const32 [c]) _) (Const32 [d]))
  3153  	// cond: 0 <= c && c <= d
  3154  	// result: (ConstBool [1])
  3155  	for {
  3156  		v_0 := v.Args[0]
  3157  		if v_0.Op != OpAnd32 {
  3158  			break
  3159  		}
  3160  		v_0_0 := v_0.Args[0]
  3161  		if v_0_0.Op != OpConst32 {
  3162  			break
  3163  		}
  3164  		c := v_0_0.AuxInt
  3165  		v_1 := v.Args[1]
  3166  		if v_1.Op != OpConst32 {
  3167  			break
  3168  		}
  3169  		d := v_1.AuxInt
  3170  		if !(0 <= c && c <= d) {
  3171  			break
  3172  		}
  3173  		v.reset(OpConstBool)
  3174  		v.AuxInt = 1
  3175  		return true
  3176  	}
  3177  	// match: (IsSliceInBounds (And64 (Const64 [c]) _) (Const64 [d]))
  3178  	// cond: 0 <= c && c <= d
  3179  	// result: (ConstBool [1])
  3180  	for {
  3181  		v_0 := v.Args[0]
  3182  		if v_0.Op != OpAnd64 {
  3183  			break
  3184  		}
  3185  		v_0_0 := v_0.Args[0]
  3186  		if v_0_0.Op != OpConst64 {
  3187  			break
  3188  		}
  3189  		c := v_0_0.AuxInt
  3190  		v_1 := v.Args[1]
  3191  		if v_1.Op != OpConst64 {
  3192  			break
  3193  		}
  3194  		d := v_1.AuxInt
  3195  		if !(0 <= c && c <= d) {
  3196  			break
  3197  		}
  3198  		v.reset(OpConstBool)
  3199  		v.AuxInt = 1
  3200  		return true
  3201  	}
  3202  	// match: (IsSliceInBounds (Const32 [0]) _)
  3203  	// cond:
  3204  	// result: (ConstBool [1])
  3205  	for {
  3206  		v_0 := v.Args[0]
  3207  		if v_0.Op != OpConst32 {
  3208  			break
  3209  		}
  3210  		if v_0.AuxInt != 0 {
  3211  			break
  3212  		}
  3213  		v.reset(OpConstBool)
  3214  		v.AuxInt = 1
  3215  		return true
  3216  	}
  3217  	// match: (IsSliceInBounds (Const64 [0]) _)
  3218  	// cond:
  3219  	// result: (ConstBool [1])
  3220  	for {
  3221  		v_0 := v.Args[0]
  3222  		if v_0.Op != OpConst64 {
  3223  			break
  3224  		}
  3225  		if v_0.AuxInt != 0 {
  3226  			break
  3227  		}
  3228  		v.reset(OpConstBool)
  3229  		v.AuxInt = 1
  3230  		return true
  3231  	}
  3232  	// match: (IsSliceInBounds (Const32 [c]) (Const32 [d]))
  3233  	// cond:
  3234  	// result: (ConstBool [b2i(0 <= c && c <= d)])
  3235  	for {
  3236  		v_0 := v.Args[0]
  3237  		if v_0.Op != OpConst32 {
  3238  			break
  3239  		}
  3240  		c := v_0.AuxInt
  3241  		v_1 := v.Args[1]
  3242  		if v_1.Op != OpConst32 {
  3243  			break
  3244  		}
  3245  		d := v_1.AuxInt
  3246  		v.reset(OpConstBool)
  3247  		v.AuxInt = b2i(0 <= c && c <= d)
  3248  		return true
  3249  	}
  3250  	// match: (IsSliceInBounds (Const64 [c]) (Const64 [d]))
  3251  	// cond:
  3252  	// result: (ConstBool [b2i(0 <= c && c <= d)])
  3253  	for {
  3254  		v_0 := v.Args[0]
  3255  		if v_0.Op != OpConst64 {
  3256  			break
  3257  		}
  3258  		c := v_0.AuxInt
  3259  		v_1 := v.Args[1]
  3260  		if v_1.Op != OpConst64 {
  3261  			break
  3262  		}
  3263  		d := v_1.AuxInt
  3264  		v.reset(OpConstBool)
  3265  		v.AuxInt = b2i(0 <= c && c <= d)
  3266  		return true
  3267  	}
  3268  	// match: (IsSliceInBounds (SliceLen x) (SliceCap x))
  3269  	// cond:
  3270  	// result: (ConstBool [1])
  3271  	for {
  3272  		v_0 := v.Args[0]
  3273  		if v_0.Op != OpSliceLen {
  3274  			break
  3275  		}
  3276  		x := v_0.Args[0]
  3277  		v_1 := v.Args[1]
  3278  		if v_1.Op != OpSliceCap {
  3279  			break
  3280  		}
  3281  		if x != v_1.Args[0] {
  3282  			break
  3283  		}
  3284  		v.reset(OpConstBool)
  3285  		v.AuxInt = 1
  3286  		return true
  3287  	}
  3288  	return false
  3289  }
  3290  func rewriteValuegeneric_OpLeq16(v *Value, config *Config) bool {
  3291  	b := v.Block
  3292  	_ = b
  3293  	// match: (Leq16 (Const16 [c]) (Const16 [d]))
  3294  	// cond:
  3295  	// result: (ConstBool [b2i(c <= d)])
  3296  	for {
  3297  		v_0 := v.Args[0]
  3298  		if v_0.Op != OpConst16 {
  3299  			break
  3300  		}
  3301  		c := v_0.AuxInt
  3302  		v_1 := v.Args[1]
  3303  		if v_1.Op != OpConst16 {
  3304  			break
  3305  		}
  3306  		d := v_1.AuxInt
  3307  		v.reset(OpConstBool)
  3308  		v.AuxInt = b2i(c <= d)
  3309  		return true
  3310  	}
  3311  	return false
  3312  }
  3313  func rewriteValuegeneric_OpLeq16U(v *Value, config *Config) bool {
  3314  	b := v.Block
  3315  	_ = b
  3316  	// match: (Leq16U (Const16 [c]) (Const16 [d]))
  3317  	// cond:
  3318  	// result: (ConstBool [b2i(uint16(c) <= uint16(d))])
  3319  	for {
  3320  		v_0 := v.Args[0]
  3321  		if v_0.Op != OpConst16 {
  3322  			break
  3323  		}
  3324  		c := v_0.AuxInt
  3325  		v_1 := v.Args[1]
  3326  		if v_1.Op != OpConst16 {
  3327  			break
  3328  		}
  3329  		d := v_1.AuxInt
  3330  		v.reset(OpConstBool)
  3331  		v.AuxInt = b2i(uint16(c) <= uint16(d))
  3332  		return true
  3333  	}
  3334  	return false
  3335  }
  3336  func rewriteValuegeneric_OpLeq32(v *Value, config *Config) bool {
  3337  	b := v.Block
  3338  	_ = b
  3339  	// match: (Leq32 (Const32 [c]) (Const32 [d]))
  3340  	// cond:
  3341  	// result: (ConstBool [b2i(c <= d)])
  3342  	for {
  3343  		v_0 := v.Args[0]
  3344  		if v_0.Op != OpConst32 {
  3345  			break
  3346  		}
  3347  		c := v_0.AuxInt
  3348  		v_1 := v.Args[1]
  3349  		if v_1.Op != OpConst32 {
  3350  			break
  3351  		}
  3352  		d := v_1.AuxInt
  3353  		v.reset(OpConstBool)
  3354  		v.AuxInt = b2i(c <= d)
  3355  		return true
  3356  	}
  3357  	return false
  3358  }
  3359  func rewriteValuegeneric_OpLeq32U(v *Value, config *Config) bool {
  3360  	b := v.Block
  3361  	_ = b
  3362  	// match: (Leq32U (Const32 [c]) (Const32 [d]))
  3363  	// cond:
  3364  	// result: (ConstBool [b2i(uint32(c) <= uint32(d))])
  3365  	for {
  3366  		v_0 := v.Args[0]
  3367  		if v_0.Op != OpConst32 {
  3368  			break
  3369  		}
  3370  		c := v_0.AuxInt
  3371  		v_1 := v.Args[1]
  3372  		if v_1.Op != OpConst32 {
  3373  			break
  3374  		}
  3375  		d := v_1.AuxInt
  3376  		v.reset(OpConstBool)
  3377  		v.AuxInt = b2i(uint32(c) <= uint32(d))
  3378  		return true
  3379  	}
  3380  	return false
  3381  }
  3382  func rewriteValuegeneric_OpLeq64(v *Value, config *Config) bool {
  3383  	b := v.Block
  3384  	_ = b
  3385  	// match: (Leq64 (Const64 [c]) (Const64 [d]))
  3386  	// cond:
  3387  	// result: (ConstBool [b2i(c <= d)])
  3388  	for {
  3389  		v_0 := v.Args[0]
  3390  		if v_0.Op != OpConst64 {
  3391  			break
  3392  		}
  3393  		c := v_0.AuxInt
  3394  		v_1 := v.Args[1]
  3395  		if v_1.Op != OpConst64 {
  3396  			break
  3397  		}
  3398  		d := v_1.AuxInt
  3399  		v.reset(OpConstBool)
  3400  		v.AuxInt = b2i(c <= d)
  3401  		return true
  3402  	}
  3403  	return false
  3404  }
  3405  func rewriteValuegeneric_OpLeq64U(v *Value, config *Config) bool {
  3406  	b := v.Block
  3407  	_ = b
  3408  	// match: (Leq64U (Const64 [c]) (Const64 [d]))
  3409  	// cond:
  3410  	// result: (ConstBool [b2i(uint64(c) <= uint64(d))])
  3411  	for {
  3412  		v_0 := v.Args[0]
  3413  		if v_0.Op != OpConst64 {
  3414  			break
  3415  		}
  3416  		c := v_0.AuxInt
  3417  		v_1 := v.Args[1]
  3418  		if v_1.Op != OpConst64 {
  3419  			break
  3420  		}
  3421  		d := v_1.AuxInt
  3422  		v.reset(OpConstBool)
  3423  		v.AuxInt = b2i(uint64(c) <= uint64(d))
  3424  		return true
  3425  	}
  3426  	return false
  3427  }
  3428  func rewriteValuegeneric_OpLeq8(v *Value, config *Config) bool {
  3429  	b := v.Block
  3430  	_ = b
  3431  	// match: (Leq8  (Const8  [c]) (Const8  [d]))
  3432  	// cond:
  3433  	// result: (ConstBool [b2i(c <= d)])
  3434  	for {
  3435  		v_0 := v.Args[0]
  3436  		if v_0.Op != OpConst8 {
  3437  			break
  3438  		}
  3439  		c := v_0.AuxInt
  3440  		v_1 := v.Args[1]
  3441  		if v_1.Op != OpConst8 {
  3442  			break
  3443  		}
  3444  		d := v_1.AuxInt
  3445  		v.reset(OpConstBool)
  3446  		v.AuxInt = b2i(c <= d)
  3447  		return true
  3448  	}
  3449  	return false
  3450  }
  3451  func rewriteValuegeneric_OpLeq8U(v *Value, config *Config) bool {
  3452  	b := v.Block
  3453  	_ = b
  3454  	// match: (Leq8U  (Const8  [c]) (Const8  [d]))
  3455  	// cond:
  3456  	// result: (ConstBool [b2i(uint8(c)  <= uint8(d))])
  3457  	for {
  3458  		v_0 := v.Args[0]
  3459  		if v_0.Op != OpConst8 {
  3460  			break
  3461  		}
  3462  		c := v_0.AuxInt
  3463  		v_1 := v.Args[1]
  3464  		if v_1.Op != OpConst8 {
  3465  			break
  3466  		}
  3467  		d := v_1.AuxInt
  3468  		v.reset(OpConstBool)
  3469  		v.AuxInt = b2i(uint8(c) <= uint8(d))
  3470  		return true
  3471  	}
  3472  	return false
  3473  }
  3474  func rewriteValuegeneric_OpLess16(v *Value, config *Config) bool {
  3475  	b := v.Block
  3476  	_ = b
  3477  	// match: (Less16 (Const16 [c]) (Const16 [d]))
  3478  	// cond:
  3479  	// result: (ConstBool [b2i(c < d)])
  3480  	for {
  3481  		v_0 := v.Args[0]
  3482  		if v_0.Op != OpConst16 {
  3483  			break
  3484  		}
  3485  		c := v_0.AuxInt
  3486  		v_1 := v.Args[1]
  3487  		if v_1.Op != OpConst16 {
  3488  			break
  3489  		}
  3490  		d := v_1.AuxInt
  3491  		v.reset(OpConstBool)
  3492  		v.AuxInt = b2i(c < d)
  3493  		return true
  3494  	}
  3495  	return false
  3496  }
  3497  func rewriteValuegeneric_OpLess16U(v *Value, config *Config) bool {
  3498  	b := v.Block
  3499  	_ = b
  3500  	// match: (Less16U (Const16 [c]) (Const16 [d]))
  3501  	// cond:
  3502  	// result: (ConstBool [b2i(uint16(c) < uint16(d))])
  3503  	for {
  3504  		v_0 := v.Args[0]
  3505  		if v_0.Op != OpConst16 {
  3506  			break
  3507  		}
  3508  		c := v_0.AuxInt
  3509  		v_1 := v.Args[1]
  3510  		if v_1.Op != OpConst16 {
  3511  			break
  3512  		}
  3513  		d := v_1.AuxInt
  3514  		v.reset(OpConstBool)
  3515  		v.AuxInt = b2i(uint16(c) < uint16(d))
  3516  		return true
  3517  	}
  3518  	return false
  3519  }
  3520  func rewriteValuegeneric_OpLess32(v *Value, config *Config) bool {
  3521  	b := v.Block
  3522  	_ = b
  3523  	// match: (Less32 (Const32 [c]) (Const32 [d]))
  3524  	// cond:
  3525  	// result: (ConstBool [b2i(c < d)])
  3526  	for {
  3527  		v_0 := v.Args[0]
  3528  		if v_0.Op != OpConst32 {
  3529  			break
  3530  		}
  3531  		c := v_0.AuxInt
  3532  		v_1 := v.Args[1]
  3533  		if v_1.Op != OpConst32 {
  3534  			break
  3535  		}
  3536  		d := v_1.AuxInt
  3537  		v.reset(OpConstBool)
  3538  		v.AuxInt = b2i(c < d)
  3539  		return true
  3540  	}
  3541  	return false
  3542  }
  3543  func rewriteValuegeneric_OpLess32U(v *Value, config *Config) bool {
  3544  	b := v.Block
  3545  	_ = b
  3546  	// match: (Less32U (Const32 [c]) (Const32 [d]))
  3547  	// cond:
  3548  	// result: (ConstBool [b2i(uint32(c) < uint32(d))])
  3549  	for {
  3550  		v_0 := v.Args[0]
  3551  		if v_0.Op != OpConst32 {
  3552  			break
  3553  		}
  3554  		c := v_0.AuxInt
  3555  		v_1 := v.Args[1]
  3556  		if v_1.Op != OpConst32 {
  3557  			break
  3558  		}
  3559  		d := v_1.AuxInt
  3560  		v.reset(OpConstBool)
  3561  		v.AuxInt = b2i(uint32(c) < uint32(d))
  3562  		return true
  3563  	}
  3564  	return false
  3565  }
  3566  func rewriteValuegeneric_OpLess64(v *Value, config *Config) bool {
  3567  	b := v.Block
  3568  	_ = b
  3569  	// match: (Less64 (Const64 [c]) (Const64 [d]))
  3570  	// cond:
  3571  	// result: (ConstBool [b2i(c < d)])
  3572  	for {
  3573  		v_0 := v.Args[0]
  3574  		if v_0.Op != OpConst64 {
  3575  			break
  3576  		}
  3577  		c := v_0.AuxInt
  3578  		v_1 := v.Args[1]
  3579  		if v_1.Op != OpConst64 {
  3580  			break
  3581  		}
  3582  		d := v_1.AuxInt
  3583  		v.reset(OpConstBool)
  3584  		v.AuxInt = b2i(c < d)
  3585  		return true
  3586  	}
  3587  	return false
  3588  }
  3589  func rewriteValuegeneric_OpLess64U(v *Value, config *Config) bool {
  3590  	b := v.Block
  3591  	_ = b
  3592  	// match: (Less64U (Const64 [c]) (Const64 [d]))
  3593  	// cond:
  3594  	// result: (ConstBool [b2i(uint64(c) < uint64(d))])
  3595  	for {
  3596  		v_0 := v.Args[0]
  3597  		if v_0.Op != OpConst64 {
  3598  			break
  3599  		}
  3600  		c := v_0.AuxInt
  3601  		v_1 := v.Args[1]
  3602  		if v_1.Op != OpConst64 {
  3603  			break
  3604  		}
  3605  		d := v_1.AuxInt
  3606  		v.reset(OpConstBool)
  3607  		v.AuxInt = b2i(uint64(c) < uint64(d))
  3608  		return true
  3609  	}
  3610  	return false
  3611  }
  3612  func rewriteValuegeneric_OpLess8(v *Value, config *Config) bool {
  3613  	b := v.Block
  3614  	_ = b
  3615  	// match: (Less8  (Const8  [c]) (Const8  [d]))
  3616  	// cond:
  3617  	// result: (ConstBool [b2i(c < d)])
  3618  	for {
  3619  		v_0 := v.Args[0]
  3620  		if v_0.Op != OpConst8 {
  3621  			break
  3622  		}
  3623  		c := v_0.AuxInt
  3624  		v_1 := v.Args[1]
  3625  		if v_1.Op != OpConst8 {
  3626  			break
  3627  		}
  3628  		d := v_1.AuxInt
  3629  		v.reset(OpConstBool)
  3630  		v.AuxInt = b2i(c < d)
  3631  		return true
  3632  	}
  3633  	return false
  3634  }
  3635  func rewriteValuegeneric_OpLess8U(v *Value, config *Config) bool {
  3636  	b := v.Block
  3637  	_ = b
  3638  	// match: (Less8U  (Const8  [c]) (Const8  [d]))
  3639  	// cond:
  3640  	// result: (ConstBool [b2i(uint8(c)  < uint8(d))])
  3641  	for {
  3642  		v_0 := v.Args[0]
  3643  		if v_0.Op != OpConst8 {
  3644  			break
  3645  		}
  3646  		c := v_0.AuxInt
  3647  		v_1 := v.Args[1]
  3648  		if v_1.Op != OpConst8 {
  3649  			break
  3650  		}
  3651  		d := v_1.AuxInt
  3652  		v.reset(OpConstBool)
  3653  		v.AuxInt = b2i(uint8(c) < uint8(d))
  3654  		return true
  3655  	}
  3656  	return false
  3657  }
  3658  func rewriteValuegeneric_OpLoad(v *Value, config *Config) bool {
  3659  	b := v.Block
  3660  	_ = b
  3661  	// match: (Load <t1> p1 (Store [w] p2 x _))
  3662  	// cond: isSamePtr(p1,p2) && t1.Compare(x.Type)==CMPeq && w == t1.Size()
  3663  	// result: x
  3664  	for {
  3665  		t1 := v.Type
  3666  		p1 := v.Args[0]
  3667  		v_1 := v.Args[1]
  3668  		if v_1.Op != OpStore {
  3669  			break
  3670  		}
  3671  		w := v_1.AuxInt
  3672  		p2 := v_1.Args[0]
  3673  		x := v_1.Args[1]
  3674  		if !(isSamePtr(p1, p2) && t1.Compare(x.Type) == CMPeq && w == t1.Size()) {
  3675  			break
  3676  		}
  3677  		v.reset(OpCopy)
  3678  		v.Type = x.Type
  3679  		v.AddArg(x)
  3680  		return true
  3681  	}
  3682  	// match: (Load <t> _ _)
  3683  	// cond: t.IsStruct() && t.NumFields() == 0 && config.fe.CanSSA(t)
  3684  	// result: (StructMake0)
  3685  	for {
  3686  		t := v.Type
  3687  		if !(t.IsStruct() && t.NumFields() == 0 && config.fe.CanSSA(t)) {
  3688  			break
  3689  		}
  3690  		v.reset(OpStructMake0)
  3691  		return true
  3692  	}
  3693  	// match: (Load <t> ptr mem)
  3694  	// cond: t.IsStruct() && t.NumFields() == 1 && config.fe.CanSSA(t)
  3695  	// result: (StructMake1     (Load <t.FieldType(0)> ptr mem))
  3696  	for {
  3697  		t := v.Type
  3698  		ptr := v.Args[0]
  3699  		mem := v.Args[1]
  3700  		if !(t.IsStruct() && t.NumFields() == 1 && config.fe.CanSSA(t)) {
  3701  			break
  3702  		}
  3703  		v.reset(OpStructMake1)
  3704  		v0 := b.NewValue0(v.Line, OpLoad, t.FieldType(0))
  3705  		v0.AddArg(ptr)
  3706  		v0.AddArg(mem)
  3707  		v.AddArg(v0)
  3708  		return true
  3709  	}
  3710  	// match: (Load <t> ptr mem)
  3711  	// cond: t.IsStruct() && t.NumFields() == 2 && config.fe.CanSSA(t)
  3712  	// result: (StructMake2     (Load <t.FieldType(0)> ptr mem)     (Load <t.FieldType(1)> (OffPtr <t.FieldType(1).PtrTo()> [t.FieldOff(1)] ptr) mem))
  3713  	for {
  3714  		t := v.Type
  3715  		ptr := v.Args[0]
  3716  		mem := v.Args[1]
  3717  		if !(t.IsStruct() && t.NumFields() == 2 && config.fe.CanSSA(t)) {
  3718  			break
  3719  		}
  3720  		v.reset(OpStructMake2)
  3721  		v0 := b.NewValue0(v.Line, OpLoad, t.FieldType(0))
  3722  		v0.AddArg(ptr)
  3723  		v0.AddArg(mem)
  3724  		v.AddArg(v0)
  3725  		v1 := b.NewValue0(v.Line, OpLoad, t.FieldType(1))
  3726  		v2 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(1).PtrTo())
  3727  		v2.AuxInt = t.FieldOff(1)
  3728  		v2.AddArg(ptr)
  3729  		v1.AddArg(v2)
  3730  		v1.AddArg(mem)
  3731  		v.AddArg(v1)
  3732  		return true
  3733  	}
  3734  	// match: (Load <t> ptr mem)
  3735  	// cond: t.IsStruct() && t.NumFields() == 3 && config.fe.CanSSA(t)
  3736  	// result: (StructMake3     (Load <t.FieldType(0)> ptr mem)     (Load <t.FieldType(1)> (OffPtr <t.FieldType(1).PtrTo()> [t.FieldOff(1)] ptr) mem)     (Load <t.FieldType(2)> (OffPtr <t.FieldType(2).PtrTo()> [t.FieldOff(2)] ptr) mem))
  3737  	for {
  3738  		t := v.Type
  3739  		ptr := v.Args[0]
  3740  		mem := v.Args[1]
  3741  		if !(t.IsStruct() && t.NumFields() == 3 && config.fe.CanSSA(t)) {
  3742  			break
  3743  		}
  3744  		v.reset(OpStructMake3)
  3745  		v0 := b.NewValue0(v.Line, OpLoad, t.FieldType(0))
  3746  		v0.AddArg(ptr)
  3747  		v0.AddArg(mem)
  3748  		v.AddArg(v0)
  3749  		v1 := b.NewValue0(v.Line, OpLoad, t.FieldType(1))
  3750  		v2 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(1).PtrTo())
  3751  		v2.AuxInt = t.FieldOff(1)
  3752  		v2.AddArg(ptr)
  3753  		v1.AddArg(v2)
  3754  		v1.AddArg(mem)
  3755  		v.AddArg(v1)
  3756  		v3 := b.NewValue0(v.Line, OpLoad, t.FieldType(2))
  3757  		v4 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(2).PtrTo())
  3758  		v4.AuxInt = t.FieldOff(2)
  3759  		v4.AddArg(ptr)
  3760  		v3.AddArg(v4)
  3761  		v3.AddArg(mem)
  3762  		v.AddArg(v3)
  3763  		return true
  3764  	}
  3765  	// match: (Load <t> ptr mem)
  3766  	// cond: t.IsStruct() && t.NumFields() == 4 && config.fe.CanSSA(t)
  3767  	// result: (StructMake4     (Load <t.FieldType(0)> ptr mem)     (Load <t.FieldType(1)> (OffPtr <t.FieldType(1).PtrTo()> [t.FieldOff(1)] ptr) mem)     (Load <t.FieldType(2)> (OffPtr <t.FieldType(2).PtrTo()> [t.FieldOff(2)] ptr) mem)     (Load <t.FieldType(3)> (OffPtr <t.FieldType(3).PtrTo()> [t.FieldOff(3)] ptr) mem))
  3768  	for {
  3769  		t := v.Type
  3770  		ptr := v.Args[0]
  3771  		mem := v.Args[1]
  3772  		if !(t.IsStruct() && t.NumFields() == 4 && config.fe.CanSSA(t)) {
  3773  			break
  3774  		}
  3775  		v.reset(OpStructMake4)
  3776  		v0 := b.NewValue0(v.Line, OpLoad, t.FieldType(0))
  3777  		v0.AddArg(ptr)
  3778  		v0.AddArg(mem)
  3779  		v.AddArg(v0)
  3780  		v1 := b.NewValue0(v.Line, OpLoad, t.FieldType(1))
  3781  		v2 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(1).PtrTo())
  3782  		v2.AuxInt = t.FieldOff(1)
  3783  		v2.AddArg(ptr)
  3784  		v1.AddArg(v2)
  3785  		v1.AddArg(mem)
  3786  		v.AddArg(v1)
  3787  		v3 := b.NewValue0(v.Line, OpLoad, t.FieldType(2))
  3788  		v4 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(2).PtrTo())
  3789  		v4.AuxInt = t.FieldOff(2)
  3790  		v4.AddArg(ptr)
  3791  		v3.AddArg(v4)
  3792  		v3.AddArg(mem)
  3793  		v.AddArg(v3)
  3794  		v5 := b.NewValue0(v.Line, OpLoad, t.FieldType(3))
  3795  		v6 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(3).PtrTo())
  3796  		v6.AuxInt = t.FieldOff(3)
  3797  		v6.AddArg(ptr)
  3798  		v5.AddArg(v6)
  3799  		v5.AddArg(mem)
  3800  		v.AddArg(v5)
  3801  		return true
  3802  	}
  3803  	return false
  3804  }
  3805  func rewriteValuegeneric_OpLsh16x16(v *Value, config *Config) bool {
  3806  	b := v.Block
  3807  	_ = b
  3808  	// match: (Lsh16x16  <t> x (Const16 [c]))
  3809  	// cond:
  3810  	// result: (Lsh16x64  x (Const64 <t> [int64(uint16(c))]))
  3811  	for {
  3812  		t := v.Type
  3813  		x := v.Args[0]
  3814  		v_1 := v.Args[1]
  3815  		if v_1.Op != OpConst16 {
  3816  			break
  3817  		}
  3818  		c := v_1.AuxInt
  3819  		v.reset(OpLsh16x64)
  3820  		v.AddArg(x)
  3821  		v0 := b.NewValue0(v.Line, OpConst64, t)
  3822  		v0.AuxInt = int64(uint16(c))
  3823  		v.AddArg(v0)
  3824  		return true
  3825  	}
  3826  	// match: (Lsh16x16  (Const16 [0]) _)
  3827  	// cond:
  3828  	// result: (Const16 [0])
  3829  	for {
  3830  		v_0 := v.Args[0]
  3831  		if v_0.Op != OpConst16 {
  3832  			break
  3833  		}
  3834  		if v_0.AuxInt != 0 {
  3835  			break
  3836  		}
  3837  		v.reset(OpConst16)
  3838  		v.AuxInt = 0
  3839  		return true
  3840  	}
  3841  	return false
  3842  }
  3843  func rewriteValuegeneric_OpLsh16x32(v *Value, config *Config) bool {
  3844  	b := v.Block
  3845  	_ = b
  3846  	// match: (Lsh16x32  <t> x (Const32 [c]))
  3847  	// cond:
  3848  	// result: (Lsh16x64  x (Const64 <t> [int64(uint32(c))]))
  3849  	for {
  3850  		t := v.Type
  3851  		x := v.Args[0]
  3852  		v_1 := v.Args[1]
  3853  		if v_1.Op != OpConst32 {
  3854  			break
  3855  		}
  3856  		c := v_1.AuxInt
  3857  		v.reset(OpLsh16x64)
  3858  		v.AddArg(x)
  3859  		v0 := b.NewValue0(v.Line, OpConst64, t)
  3860  		v0.AuxInt = int64(uint32(c))
  3861  		v.AddArg(v0)
  3862  		return true
  3863  	}
  3864  	// match: (Lsh16x32  (Const16 [0]) _)
  3865  	// cond:
  3866  	// result: (Const16 [0])
  3867  	for {
  3868  		v_0 := v.Args[0]
  3869  		if v_0.Op != OpConst16 {
  3870  			break
  3871  		}
  3872  		if v_0.AuxInt != 0 {
  3873  			break
  3874  		}
  3875  		v.reset(OpConst16)
  3876  		v.AuxInt = 0
  3877  		return true
  3878  	}
  3879  	return false
  3880  }
  3881  func rewriteValuegeneric_OpLsh16x64(v *Value, config *Config) bool {
  3882  	b := v.Block
  3883  	_ = b
  3884  	// match: (Lsh16x64  (Const16 [c]) (Const64 [d]))
  3885  	// cond:
  3886  	// result: (Const16 [int64(int16(c) << uint64(d))])
  3887  	for {
  3888  		v_0 := v.Args[0]
  3889  		if v_0.Op != OpConst16 {
  3890  			break
  3891  		}
  3892  		c := v_0.AuxInt
  3893  		v_1 := v.Args[1]
  3894  		if v_1.Op != OpConst64 {
  3895  			break
  3896  		}
  3897  		d := v_1.AuxInt
  3898  		v.reset(OpConst16)
  3899  		v.AuxInt = int64(int16(c) << uint64(d))
  3900  		return true
  3901  	}
  3902  	// match: (Lsh16x64  x (Const64 [0]))
  3903  	// cond:
  3904  	// result: x
  3905  	for {
  3906  		x := v.Args[0]
  3907  		v_1 := v.Args[1]
  3908  		if v_1.Op != OpConst64 {
  3909  			break
  3910  		}
  3911  		if v_1.AuxInt != 0 {
  3912  			break
  3913  		}
  3914  		v.reset(OpCopy)
  3915  		v.Type = x.Type
  3916  		v.AddArg(x)
  3917  		return true
  3918  	}
  3919  	// match: (Lsh16x64  (Const16 [0]) _)
  3920  	// cond:
  3921  	// result: (Const16 [0])
  3922  	for {
  3923  		v_0 := v.Args[0]
  3924  		if v_0.Op != OpConst16 {
  3925  			break
  3926  		}
  3927  		if v_0.AuxInt != 0 {
  3928  			break
  3929  		}
  3930  		v.reset(OpConst16)
  3931  		v.AuxInt = 0
  3932  		return true
  3933  	}
  3934  	// match: (Lsh16x64  _ (Const64 [c]))
  3935  	// cond: uint64(c) >= 16
  3936  	// result: (Const16 [0])
  3937  	for {
  3938  		v_1 := v.Args[1]
  3939  		if v_1.Op != OpConst64 {
  3940  			break
  3941  		}
  3942  		c := v_1.AuxInt
  3943  		if !(uint64(c) >= 16) {
  3944  			break
  3945  		}
  3946  		v.reset(OpConst16)
  3947  		v.AuxInt = 0
  3948  		return true
  3949  	}
  3950  	// match: (Lsh16x64 <t> (Lsh16x64 x (Const64 [c])) (Const64 [d]))
  3951  	// cond: !uaddOvf(c,d)
  3952  	// result: (Lsh16x64 x (Const64 <t> [c+d]))
  3953  	for {
  3954  		t := v.Type
  3955  		v_0 := v.Args[0]
  3956  		if v_0.Op != OpLsh16x64 {
  3957  			break
  3958  		}
  3959  		x := v_0.Args[0]
  3960  		v_0_1 := v_0.Args[1]
  3961  		if v_0_1.Op != OpConst64 {
  3962  			break
  3963  		}
  3964  		c := v_0_1.AuxInt
  3965  		v_1 := v.Args[1]
  3966  		if v_1.Op != OpConst64 {
  3967  			break
  3968  		}
  3969  		d := v_1.AuxInt
  3970  		if !(!uaddOvf(c, d)) {
  3971  			break
  3972  		}
  3973  		v.reset(OpLsh16x64)
  3974  		v.AddArg(x)
  3975  		v0 := b.NewValue0(v.Line, OpConst64, t)
  3976  		v0.AuxInt = c + d
  3977  		v.AddArg(v0)
  3978  		return true
  3979  	}
  3980  	// match: (Lsh16x64 (Rsh16Ux64 (Lsh16x64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  3981  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  3982  	// result: (Lsh16x64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  3983  	for {
  3984  		v_0 := v.Args[0]
  3985  		if v_0.Op != OpRsh16Ux64 {
  3986  			break
  3987  		}
  3988  		v_0_0 := v_0.Args[0]
  3989  		if v_0_0.Op != OpLsh16x64 {
  3990  			break
  3991  		}
  3992  		x := v_0_0.Args[0]
  3993  		v_0_0_1 := v_0_0.Args[1]
  3994  		if v_0_0_1.Op != OpConst64 {
  3995  			break
  3996  		}
  3997  		c1 := v_0_0_1.AuxInt
  3998  		v_0_1 := v_0.Args[1]
  3999  		if v_0_1.Op != OpConst64 {
  4000  			break
  4001  		}
  4002  		c2 := v_0_1.AuxInt
  4003  		v_1 := v.Args[1]
  4004  		if v_1.Op != OpConst64 {
  4005  			break
  4006  		}
  4007  		c3 := v_1.AuxInt
  4008  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  4009  			break
  4010  		}
  4011  		v.reset(OpLsh16x64)
  4012  		v.AddArg(x)
  4013  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  4014  		v0.AuxInt = c1 - c2 + c3
  4015  		v.AddArg(v0)
  4016  		return true
  4017  	}
  4018  	return false
  4019  }
  4020  func rewriteValuegeneric_OpLsh16x8(v *Value, config *Config) bool {
  4021  	b := v.Block
  4022  	_ = b
  4023  	// match: (Lsh16x8   <t> x (Const8  [c]))
  4024  	// cond:
  4025  	// result: (Lsh16x64  x (Const64 <t> [int64(uint8(c))]))
  4026  	for {
  4027  		t := v.Type
  4028  		x := v.Args[0]
  4029  		v_1 := v.Args[1]
  4030  		if v_1.Op != OpConst8 {
  4031  			break
  4032  		}
  4033  		c := v_1.AuxInt
  4034  		v.reset(OpLsh16x64)
  4035  		v.AddArg(x)
  4036  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4037  		v0.AuxInt = int64(uint8(c))
  4038  		v.AddArg(v0)
  4039  		return true
  4040  	}
  4041  	// match: (Lsh16x8  (Const16 [0]) _)
  4042  	// cond:
  4043  	// result: (Const16 [0])
  4044  	for {
  4045  		v_0 := v.Args[0]
  4046  		if v_0.Op != OpConst16 {
  4047  			break
  4048  		}
  4049  		if v_0.AuxInt != 0 {
  4050  			break
  4051  		}
  4052  		v.reset(OpConst16)
  4053  		v.AuxInt = 0
  4054  		return true
  4055  	}
  4056  	return false
  4057  }
  4058  func rewriteValuegeneric_OpLsh32x16(v *Value, config *Config) bool {
  4059  	b := v.Block
  4060  	_ = b
  4061  	// match: (Lsh32x16  <t> x (Const16 [c]))
  4062  	// cond:
  4063  	// result: (Lsh32x64  x (Const64 <t> [int64(uint16(c))]))
  4064  	for {
  4065  		t := v.Type
  4066  		x := v.Args[0]
  4067  		v_1 := v.Args[1]
  4068  		if v_1.Op != OpConst16 {
  4069  			break
  4070  		}
  4071  		c := v_1.AuxInt
  4072  		v.reset(OpLsh32x64)
  4073  		v.AddArg(x)
  4074  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4075  		v0.AuxInt = int64(uint16(c))
  4076  		v.AddArg(v0)
  4077  		return true
  4078  	}
  4079  	// match: (Lsh32x16  (Const32 [0]) _)
  4080  	// cond:
  4081  	// result: (Const32 [0])
  4082  	for {
  4083  		v_0 := v.Args[0]
  4084  		if v_0.Op != OpConst32 {
  4085  			break
  4086  		}
  4087  		if v_0.AuxInt != 0 {
  4088  			break
  4089  		}
  4090  		v.reset(OpConst32)
  4091  		v.AuxInt = 0
  4092  		return true
  4093  	}
  4094  	return false
  4095  }
  4096  func rewriteValuegeneric_OpLsh32x32(v *Value, config *Config) bool {
  4097  	b := v.Block
  4098  	_ = b
  4099  	// match: (Lsh32x32  <t> x (Const32 [c]))
  4100  	// cond:
  4101  	// result: (Lsh32x64  x (Const64 <t> [int64(uint32(c))]))
  4102  	for {
  4103  		t := v.Type
  4104  		x := v.Args[0]
  4105  		v_1 := v.Args[1]
  4106  		if v_1.Op != OpConst32 {
  4107  			break
  4108  		}
  4109  		c := v_1.AuxInt
  4110  		v.reset(OpLsh32x64)
  4111  		v.AddArg(x)
  4112  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4113  		v0.AuxInt = int64(uint32(c))
  4114  		v.AddArg(v0)
  4115  		return true
  4116  	}
  4117  	// match: (Lsh32x32  (Const32 [0]) _)
  4118  	// cond:
  4119  	// result: (Const32 [0])
  4120  	for {
  4121  		v_0 := v.Args[0]
  4122  		if v_0.Op != OpConst32 {
  4123  			break
  4124  		}
  4125  		if v_0.AuxInt != 0 {
  4126  			break
  4127  		}
  4128  		v.reset(OpConst32)
  4129  		v.AuxInt = 0
  4130  		return true
  4131  	}
  4132  	return false
  4133  }
  4134  func rewriteValuegeneric_OpLsh32x64(v *Value, config *Config) bool {
  4135  	b := v.Block
  4136  	_ = b
  4137  	// match: (Lsh32x64  (Const32 [c]) (Const64 [d]))
  4138  	// cond:
  4139  	// result: (Const32 [int64(int32(c) << uint64(d))])
  4140  	for {
  4141  		v_0 := v.Args[0]
  4142  		if v_0.Op != OpConst32 {
  4143  			break
  4144  		}
  4145  		c := v_0.AuxInt
  4146  		v_1 := v.Args[1]
  4147  		if v_1.Op != OpConst64 {
  4148  			break
  4149  		}
  4150  		d := v_1.AuxInt
  4151  		v.reset(OpConst32)
  4152  		v.AuxInt = int64(int32(c) << uint64(d))
  4153  		return true
  4154  	}
  4155  	// match: (Lsh32x64  x (Const64 [0]))
  4156  	// cond:
  4157  	// result: x
  4158  	for {
  4159  		x := v.Args[0]
  4160  		v_1 := v.Args[1]
  4161  		if v_1.Op != OpConst64 {
  4162  			break
  4163  		}
  4164  		if v_1.AuxInt != 0 {
  4165  			break
  4166  		}
  4167  		v.reset(OpCopy)
  4168  		v.Type = x.Type
  4169  		v.AddArg(x)
  4170  		return true
  4171  	}
  4172  	// match: (Lsh32x64  (Const32 [0]) _)
  4173  	// cond:
  4174  	// result: (Const32 [0])
  4175  	for {
  4176  		v_0 := v.Args[0]
  4177  		if v_0.Op != OpConst32 {
  4178  			break
  4179  		}
  4180  		if v_0.AuxInt != 0 {
  4181  			break
  4182  		}
  4183  		v.reset(OpConst32)
  4184  		v.AuxInt = 0
  4185  		return true
  4186  	}
  4187  	// match: (Lsh32x64  _ (Const64 [c]))
  4188  	// cond: uint64(c) >= 32
  4189  	// result: (Const32 [0])
  4190  	for {
  4191  		v_1 := v.Args[1]
  4192  		if v_1.Op != OpConst64 {
  4193  			break
  4194  		}
  4195  		c := v_1.AuxInt
  4196  		if !(uint64(c) >= 32) {
  4197  			break
  4198  		}
  4199  		v.reset(OpConst32)
  4200  		v.AuxInt = 0
  4201  		return true
  4202  	}
  4203  	// match: (Lsh32x64 <t> (Lsh32x64 x (Const64 [c])) (Const64 [d]))
  4204  	// cond: !uaddOvf(c,d)
  4205  	// result: (Lsh32x64 x (Const64 <t> [c+d]))
  4206  	for {
  4207  		t := v.Type
  4208  		v_0 := v.Args[0]
  4209  		if v_0.Op != OpLsh32x64 {
  4210  			break
  4211  		}
  4212  		x := v_0.Args[0]
  4213  		v_0_1 := v_0.Args[1]
  4214  		if v_0_1.Op != OpConst64 {
  4215  			break
  4216  		}
  4217  		c := v_0_1.AuxInt
  4218  		v_1 := v.Args[1]
  4219  		if v_1.Op != OpConst64 {
  4220  			break
  4221  		}
  4222  		d := v_1.AuxInt
  4223  		if !(!uaddOvf(c, d)) {
  4224  			break
  4225  		}
  4226  		v.reset(OpLsh32x64)
  4227  		v.AddArg(x)
  4228  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4229  		v0.AuxInt = c + d
  4230  		v.AddArg(v0)
  4231  		return true
  4232  	}
  4233  	// match: (Lsh32x64 (Rsh32Ux64 (Lsh32x64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  4234  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  4235  	// result: (Lsh32x64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  4236  	for {
  4237  		v_0 := v.Args[0]
  4238  		if v_0.Op != OpRsh32Ux64 {
  4239  			break
  4240  		}
  4241  		v_0_0 := v_0.Args[0]
  4242  		if v_0_0.Op != OpLsh32x64 {
  4243  			break
  4244  		}
  4245  		x := v_0_0.Args[0]
  4246  		v_0_0_1 := v_0_0.Args[1]
  4247  		if v_0_0_1.Op != OpConst64 {
  4248  			break
  4249  		}
  4250  		c1 := v_0_0_1.AuxInt
  4251  		v_0_1 := v_0.Args[1]
  4252  		if v_0_1.Op != OpConst64 {
  4253  			break
  4254  		}
  4255  		c2 := v_0_1.AuxInt
  4256  		v_1 := v.Args[1]
  4257  		if v_1.Op != OpConst64 {
  4258  			break
  4259  		}
  4260  		c3 := v_1.AuxInt
  4261  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  4262  			break
  4263  		}
  4264  		v.reset(OpLsh32x64)
  4265  		v.AddArg(x)
  4266  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  4267  		v0.AuxInt = c1 - c2 + c3
  4268  		v.AddArg(v0)
  4269  		return true
  4270  	}
  4271  	return false
  4272  }
  4273  func rewriteValuegeneric_OpLsh32x8(v *Value, config *Config) bool {
  4274  	b := v.Block
  4275  	_ = b
  4276  	// match: (Lsh32x8   <t> x (Const8  [c]))
  4277  	// cond:
  4278  	// result: (Lsh32x64  x (Const64 <t> [int64(uint8(c))]))
  4279  	for {
  4280  		t := v.Type
  4281  		x := v.Args[0]
  4282  		v_1 := v.Args[1]
  4283  		if v_1.Op != OpConst8 {
  4284  			break
  4285  		}
  4286  		c := v_1.AuxInt
  4287  		v.reset(OpLsh32x64)
  4288  		v.AddArg(x)
  4289  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4290  		v0.AuxInt = int64(uint8(c))
  4291  		v.AddArg(v0)
  4292  		return true
  4293  	}
  4294  	// match: (Lsh32x8  (Const32 [0]) _)
  4295  	// cond:
  4296  	// result: (Const32 [0])
  4297  	for {
  4298  		v_0 := v.Args[0]
  4299  		if v_0.Op != OpConst32 {
  4300  			break
  4301  		}
  4302  		if v_0.AuxInt != 0 {
  4303  			break
  4304  		}
  4305  		v.reset(OpConst32)
  4306  		v.AuxInt = 0
  4307  		return true
  4308  	}
  4309  	return false
  4310  }
  4311  func rewriteValuegeneric_OpLsh64x16(v *Value, config *Config) bool {
  4312  	b := v.Block
  4313  	_ = b
  4314  	// match: (Lsh64x16  <t> x (Const16 [c]))
  4315  	// cond:
  4316  	// result: (Lsh64x64  x (Const64 <t> [int64(uint16(c))]))
  4317  	for {
  4318  		t := v.Type
  4319  		x := v.Args[0]
  4320  		v_1 := v.Args[1]
  4321  		if v_1.Op != OpConst16 {
  4322  			break
  4323  		}
  4324  		c := v_1.AuxInt
  4325  		v.reset(OpLsh64x64)
  4326  		v.AddArg(x)
  4327  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4328  		v0.AuxInt = int64(uint16(c))
  4329  		v.AddArg(v0)
  4330  		return true
  4331  	}
  4332  	// match: (Lsh64x16  (Const64 [0]) _)
  4333  	// cond:
  4334  	// result: (Const64 [0])
  4335  	for {
  4336  		v_0 := v.Args[0]
  4337  		if v_0.Op != OpConst64 {
  4338  			break
  4339  		}
  4340  		if v_0.AuxInt != 0 {
  4341  			break
  4342  		}
  4343  		v.reset(OpConst64)
  4344  		v.AuxInt = 0
  4345  		return true
  4346  	}
  4347  	return false
  4348  }
  4349  func rewriteValuegeneric_OpLsh64x32(v *Value, config *Config) bool {
  4350  	b := v.Block
  4351  	_ = b
  4352  	// match: (Lsh64x32  <t> x (Const32 [c]))
  4353  	// cond:
  4354  	// result: (Lsh64x64  x (Const64 <t> [int64(uint32(c))]))
  4355  	for {
  4356  		t := v.Type
  4357  		x := v.Args[0]
  4358  		v_1 := v.Args[1]
  4359  		if v_1.Op != OpConst32 {
  4360  			break
  4361  		}
  4362  		c := v_1.AuxInt
  4363  		v.reset(OpLsh64x64)
  4364  		v.AddArg(x)
  4365  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4366  		v0.AuxInt = int64(uint32(c))
  4367  		v.AddArg(v0)
  4368  		return true
  4369  	}
  4370  	// match: (Lsh64x32  (Const64 [0]) _)
  4371  	// cond:
  4372  	// result: (Const64 [0])
  4373  	for {
  4374  		v_0 := v.Args[0]
  4375  		if v_0.Op != OpConst64 {
  4376  			break
  4377  		}
  4378  		if v_0.AuxInt != 0 {
  4379  			break
  4380  		}
  4381  		v.reset(OpConst64)
  4382  		v.AuxInt = 0
  4383  		return true
  4384  	}
  4385  	return false
  4386  }
  4387  func rewriteValuegeneric_OpLsh64x64(v *Value, config *Config) bool {
  4388  	b := v.Block
  4389  	_ = b
  4390  	// match: (Lsh64x64  (Const64 [c]) (Const64 [d]))
  4391  	// cond:
  4392  	// result: (Const64 [c << uint64(d)])
  4393  	for {
  4394  		v_0 := v.Args[0]
  4395  		if v_0.Op != OpConst64 {
  4396  			break
  4397  		}
  4398  		c := v_0.AuxInt
  4399  		v_1 := v.Args[1]
  4400  		if v_1.Op != OpConst64 {
  4401  			break
  4402  		}
  4403  		d := v_1.AuxInt
  4404  		v.reset(OpConst64)
  4405  		v.AuxInt = c << uint64(d)
  4406  		return true
  4407  	}
  4408  	// match: (Lsh64x64  x (Const64 [0]))
  4409  	// cond:
  4410  	// result: x
  4411  	for {
  4412  		x := v.Args[0]
  4413  		v_1 := v.Args[1]
  4414  		if v_1.Op != OpConst64 {
  4415  			break
  4416  		}
  4417  		if v_1.AuxInt != 0 {
  4418  			break
  4419  		}
  4420  		v.reset(OpCopy)
  4421  		v.Type = x.Type
  4422  		v.AddArg(x)
  4423  		return true
  4424  	}
  4425  	// match: (Lsh64x64  (Const64 [0]) _)
  4426  	// cond:
  4427  	// result: (Const64 [0])
  4428  	for {
  4429  		v_0 := v.Args[0]
  4430  		if v_0.Op != OpConst64 {
  4431  			break
  4432  		}
  4433  		if v_0.AuxInt != 0 {
  4434  			break
  4435  		}
  4436  		v.reset(OpConst64)
  4437  		v.AuxInt = 0
  4438  		return true
  4439  	}
  4440  	// match: (Lsh64x64  _ (Const64 [c]))
  4441  	// cond: uint64(c) >= 64
  4442  	// result: (Const64 [0])
  4443  	for {
  4444  		v_1 := v.Args[1]
  4445  		if v_1.Op != OpConst64 {
  4446  			break
  4447  		}
  4448  		c := v_1.AuxInt
  4449  		if !(uint64(c) >= 64) {
  4450  			break
  4451  		}
  4452  		v.reset(OpConst64)
  4453  		v.AuxInt = 0
  4454  		return true
  4455  	}
  4456  	// match: (Lsh64x64 <t> (Lsh64x64 x (Const64 [c])) (Const64 [d]))
  4457  	// cond: !uaddOvf(c,d)
  4458  	// result: (Lsh64x64 x (Const64 <t> [c+d]))
  4459  	for {
  4460  		t := v.Type
  4461  		v_0 := v.Args[0]
  4462  		if v_0.Op != OpLsh64x64 {
  4463  			break
  4464  		}
  4465  		x := v_0.Args[0]
  4466  		v_0_1 := v_0.Args[1]
  4467  		if v_0_1.Op != OpConst64 {
  4468  			break
  4469  		}
  4470  		c := v_0_1.AuxInt
  4471  		v_1 := v.Args[1]
  4472  		if v_1.Op != OpConst64 {
  4473  			break
  4474  		}
  4475  		d := v_1.AuxInt
  4476  		if !(!uaddOvf(c, d)) {
  4477  			break
  4478  		}
  4479  		v.reset(OpLsh64x64)
  4480  		v.AddArg(x)
  4481  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4482  		v0.AuxInt = c + d
  4483  		v.AddArg(v0)
  4484  		return true
  4485  	}
  4486  	// match: (Lsh64x64 (Rsh64Ux64 (Lsh64x64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  4487  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  4488  	// result: (Lsh64x64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  4489  	for {
  4490  		v_0 := v.Args[0]
  4491  		if v_0.Op != OpRsh64Ux64 {
  4492  			break
  4493  		}
  4494  		v_0_0 := v_0.Args[0]
  4495  		if v_0_0.Op != OpLsh64x64 {
  4496  			break
  4497  		}
  4498  		x := v_0_0.Args[0]
  4499  		v_0_0_1 := v_0_0.Args[1]
  4500  		if v_0_0_1.Op != OpConst64 {
  4501  			break
  4502  		}
  4503  		c1 := v_0_0_1.AuxInt
  4504  		v_0_1 := v_0.Args[1]
  4505  		if v_0_1.Op != OpConst64 {
  4506  			break
  4507  		}
  4508  		c2 := v_0_1.AuxInt
  4509  		v_1 := v.Args[1]
  4510  		if v_1.Op != OpConst64 {
  4511  			break
  4512  		}
  4513  		c3 := v_1.AuxInt
  4514  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  4515  			break
  4516  		}
  4517  		v.reset(OpLsh64x64)
  4518  		v.AddArg(x)
  4519  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  4520  		v0.AuxInt = c1 - c2 + c3
  4521  		v.AddArg(v0)
  4522  		return true
  4523  	}
  4524  	return false
  4525  }
  4526  func rewriteValuegeneric_OpLsh64x8(v *Value, config *Config) bool {
  4527  	b := v.Block
  4528  	_ = b
  4529  	// match: (Lsh64x8   <t> x (Const8  [c]))
  4530  	// cond:
  4531  	// result: (Lsh64x64  x (Const64 <t> [int64(uint8(c))]))
  4532  	for {
  4533  		t := v.Type
  4534  		x := v.Args[0]
  4535  		v_1 := v.Args[1]
  4536  		if v_1.Op != OpConst8 {
  4537  			break
  4538  		}
  4539  		c := v_1.AuxInt
  4540  		v.reset(OpLsh64x64)
  4541  		v.AddArg(x)
  4542  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4543  		v0.AuxInt = int64(uint8(c))
  4544  		v.AddArg(v0)
  4545  		return true
  4546  	}
  4547  	// match: (Lsh64x8  (Const64 [0]) _)
  4548  	// cond:
  4549  	// result: (Const64 [0])
  4550  	for {
  4551  		v_0 := v.Args[0]
  4552  		if v_0.Op != OpConst64 {
  4553  			break
  4554  		}
  4555  		if v_0.AuxInt != 0 {
  4556  			break
  4557  		}
  4558  		v.reset(OpConst64)
  4559  		v.AuxInt = 0
  4560  		return true
  4561  	}
  4562  	return false
  4563  }
  4564  func rewriteValuegeneric_OpLsh8x16(v *Value, config *Config) bool {
  4565  	b := v.Block
  4566  	_ = b
  4567  	// match: (Lsh8x16  <t> x (Const16 [c]))
  4568  	// cond:
  4569  	// result: (Lsh8x64  x (Const64 <t> [int64(uint16(c))]))
  4570  	for {
  4571  		t := v.Type
  4572  		x := v.Args[0]
  4573  		v_1 := v.Args[1]
  4574  		if v_1.Op != OpConst16 {
  4575  			break
  4576  		}
  4577  		c := v_1.AuxInt
  4578  		v.reset(OpLsh8x64)
  4579  		v.AddArg(x)
  4580  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4581  		v0.AuxInt = int64(uint16(c))
  4582  		v.AddArg(v0)
  4583  		return true
  4584  	}
  4585  	// match: (Lsh8x16   (Const8 [0]) _)
  4586  	// cond:
  4587  	// result: (Const8  [0])
  4588  	for {
  4589  		v_0 := v.Args[0]
  4590  		if v_0.Op != OpConst8 {
  4591  			break
  4592  		}
  4593  		if v_0.AuxInt != 0 {
  4594  			break
  4595  		}
  4596  		v.reset(OpConst8)
  4597  		v.AuxInt = 0
  4598  		return true
  4599  	}
  4600  	return false
  4601  }
  4602  func rewriteValuegeneric_OpLsh8x32(v *Value, config *Config) bool {
  4603  	b := v.Block
  4604  	_ = b
  4605  	// match: (Lsh8x32  <t> x (Const32 [c]))
  4606  	// cond:
  4607  	// result: (Lsh8x64  x (Const64 <t> [int64(uint32(c))]))
  4608  	for {
  4609  		t := v.Type
  4610  		x := v.Args[0]
  4611  		v_1 := v.Args[1]
  4612  		if v_1.Op != OpConst32 {
  4613  			break
  4614  		}
  4615  		c := v_1.AuxInt
  4616  		v.reset(OpLsh8x64)
  4617  		v.AddArg(x)
  4618  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4619  		v0.AuxInt = int64(uint32(c))
  4620  		v.AddArg(v0)
  4621  		return true
  4622  	}
  4623  	// match: (Lsh8x32   (Const8 [0]) _)
  4624  	// cond:
  4625  	// result: (Const8  [0])
  4626  	for {
  4627  		v_0 := v.Args[0]
  4628  		if v_0.Op != OpConst8 {
  4629  			break
  4630  		}
  4631  		if v_0.AuxInt != 0 {
  4632  			break
  4633  		}
  4634  		v.reset(OpConst8)
  4635  		v.AuxInt = 0
  4636  		return true
  4637  	}
  4638  	return false
  4639  }
  4640  func rewriteValuegeneric_OpLsh8x64(v *Value, config *Config) bool {
  4641  	b := v.Block
  4642  	_ = b
  4643  	// match: (Lsh8x64   (Const8  [c]) (Const64 [d]))
  4644  	// cond:
  4645  	// result: (Const8  [int64(int8(c) << uint64(d))])
  4646  	for {
  4647  		v_0 := v.Args[0]
  4648  		if v_0.Op != OpConst8 {
  4649  			break
  4650  		}
  4651  		c := v_0.AuxInt
  4652  		v_1 := v.Args[1]
  4653  		if v_1.Op != OpConst64 {
  4654  			break
  4655  		}
  4656  		d := v_1.AuxInt
  4657  		v.reset(OpConst8)
  4658  		v.AuxInt = int64(int8(c) << uint64(d))
  4659  		return true
  4660  	}
  4661  	// match: (Lsh8x64   x (Const64 [0]))
  4662  	// cond:
  4663  	// result: x
  4664  	for {
  4665  		x := v.Args[0]
  4666  		v_1 := v.Args[1]
  4667  		if v_1.Op != OpConst64 {
  4668  			break
  4669  		}
  4670  		if v_1.AuxInt != 0 {
  4671  			break
  4672  		}
  4673  		v.reset(OpCopy)
  4674  		v.Type = x.Type
  4675  		v.AddArg(x)
  4676  		return true
  4677  	}
  4678  	// match: (Lsh8x64   (Const8 [0]) _)
  4679  	// cond:
  4680  	// result: (Const8  [0])
  4681  	for {
  4682  		v_0 := v.Args[0]
  4683  		if v_0.Op != OpConst8 {
  4684  			break
  4685  		}
  4686  		if v_0.AuxInt != 0 {
  4687  			break
  4688  		}
  4689  		v.reset(OpConst8)
  4690  		v.AuxInt = 0
  4691  		return true
  4692  	}
  4693  	// match: (Lsh8x64   _ (Const64 [c]))
  4694  	// cond: uint64(c) >= 8
  4695  	// result: (Const8  [0])
  4696  	for {
  4697  		v_1 := v.Args[1]
  4698  		if v_1.Op != OpConst64 {
  4699  			break
  4700  		}
  4701  		c := v_1.AuxInt
  4702  		if !(uint64(c) >= 8) {
  4703  			break
  4704  		}
  4705  		v.reset(OpConst8)
  4706  		v.AuxInt = 0
  4707  		return true
  4708  	}
  4709  	// match: (Lsh8x64  <t> (Lsh8x64  x (Const64 [c])) (Const64 [d]))
  4710  	// cond: !uaddOvf(c,d)
  4711  	// result: (Lsh8x64  x (Const64 <t> [c+d]))
  4712  	for {
  4713  		t := v.Type
  4714  		v_0 := v.Args[0]
  4715  		if v_0.Op != OpLsh8x64 {
  4716  			break
  4717  		}
  4718  		x := v_0.Args[0]
  4719  		v_0_1 := v_0.Args[1]
  4720  		if v_0_1.Op != OpConst64 {
  4721  			break
  4722  		}
  4723  		c := v_0_1.AuxInt
  4724  		v_1 := v.Args[1]
  4725  		if v_1.Op != OpConst64 {
  4726  			break
  4727  		}
  4728  		d := v_1.AuxInt
  4729  		if !(!uaddOvf(c, d)) {
  4730  			break
  4731  		}
  4732  		v.reset(OpLsh8x64)
  4733  		v.AddArg(x)
  4734  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4735  		v0.AuxInt = c + d
  4736  		v.AddArg(v0)
  4737  		return true
  4738  	}
  4739  	// match: (Lsh8x64 (Rsh8Ux64 (Lsh8x64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  4740  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  4741  	// result: (Lsh8x64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  4742  	for {
  4743  		v_0 := v.Args[0]
  4744  		if v_0.Op != OpRsh8Ux64 {
  4745  			break
  4746  		}
  4747  		v_0_0 := v_0.Args[0]
  4748  		if v_0_0.Op != OpLsh8x64 {
  4749  			break
  4750  		}
  4751  		x := v_0_0.Args[0]
  4752  		v_0_0_1 := v_0_0.Args[1]
  4753  		if v_0_0_1.Op != OpConst64 {
  4754  			break
  4755  		}
  4756  		c1 := v_0_0_1.AuxInt
  4757  		v_0_1 := v_0.Args[1]
  4758  		if v_0_1.Op != OpConst64 {
  4759  			break
  4760  		}
  4761  		c2 := v_0_1.AuxInt
  4762  		v_1 := v.Args[1]
  4763  		if v_1.Op != OpConst64 {
  4764  			break
  4765  		}
  4766  		c3 := v_1.AuxInt
  4767  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  4768  			break
  4769  		}
  4770  		v.reset(OpLsh8x64)
  4771  		v.AddArg(x)
  4772  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  4773  		v0.AuxInt = c1 - c2 + c3
  4774  		v.AddArg(v0)
  4775  		return true
  4776  	}
  4777  	return false
  4778  }
  4779  func rewriteValuegeneric_OpLsh8x8(v *Value, config *Config) bool {
  4780  	b := v.Block
  4781  	_ = b
  4782  	// match: (Lsh8x8   <t> x (Const8  [c]))
  4783  	// cond:
  4784  	// result: (Lsh8x64  x (Const64 <t> [int64(uint8(c))]))
  4785  	for {
  4786  		t := v.Type
  4787  		x := v.Args[0]
  4788  		v_1 := v.Args[1]
  4789  		if v_1.Op != OpConst8 {
  4790  			break
  4791  		}
  4792  		c := v_1.AuxInt
  4793  		v.reset(OpLsh8x64)
  4794  		v.AddArg(x)
  4795  		v0 := b.NewValue0(v.Line, OpConst64, t)
  4796  		v0.AuxInt = int64(uint8(c))
  4797  		v.AddArg(v0)
  4798  		return true
  4799  	}
  4800  	// match: (Lsh8x8   (Const8 [0]) _)
  4801  	// cond:
  4802  	// result: (Const8  [0])
  4803  	for {
  4804  		v_0 := v.Args[0]
  4805  		if v_0.Op != OpConst8 {
  4806  			break
  4807  		}
  4808  		if v_0.AuxInt != 0 {
  4809  			break
  4810  		}
  4811  		v.reset(OpConst8)
  4812  		v.AuxInt = 0
  4813  		return true
  4814  	}
  4815  	return false
  4816  }
  4817  func rewriteValuegeneric_OpMod16(v *Value, config *Config) bool {
  4818  	b := v.Block
  4819  	_ = b
  4820  	// match: (Mod16 (Const16 [c]) (Const16 [d]))
  4821  	// cond: d != 0
  4822  	// result: (Const16 [int64(int16(c % d))])
  4823  	for {
  4824  		v_0 := v.Args[0]
  4825  		if v_0.Op != OpConst16 {
  4826  			break
  4827  		}
  4828  		c := v_0.AuxInt
  4829  		v_1 := v.Args[1]
  4830  		if v_1.Op != OpConst16 {
  4831  			break
  4832  		}
  4833  		d := v_1.AuxInt
  4834  		if !(d != 0) {
  4835  			break
  4836  		}
  4837  		v.reset(OpConst16)
  4838  		v.AuxInt = int64(int16(c % d))
  4839  		return true
  4840  	}
  4841  	return false
  4842  }
  4843  func rewriteValuegeneric_OpMod16u(v *Value, config *Config) bool {
  4844  	b := v.Block
  4845  	_ = b
  4846  	// match: (Mod16u (Const16 [c]) (Const16 [d]))
  4847  	// cond: d != 0
  4848  	// result: (Const16 [int64(uint16(c) % uint16(d))])
  4849  	for {
  4850  		v_0 := v.Args[0]
  4851  		if v_0.Op != OpConst16 {
  4852  			break
  4853  		}
  4854  		c := v_0.AuxInt
  4855  		v_1 := v.Args[1]
  4856  		if v_1.Op != OpConst16 {
  4857  			break
  4858  		}
  4859  		d := v_1.AuxInt
  4860  		if !(d != 0) {
  4861  			break
  4862  		}
  4863  		v.reset(OpConst16)
  4864  		v.AuxInt = int64(uint16(c) % uint16(d))
  4865  		return true
  4866  	}
  4867  	return false
  4868  }
  4869  func rewriteValuegeneric_OpMod32(v *Value, config *Config) bool {
  4870  	b := v.Block
  4871  	_ = b
  4872  	// match: (Mod32 (Const32 [c]) (Const32 [d]))
  4873  	// cond: d != 0
  4874  	// result: (Const32 [int64(int32(c % d))])
  4875  	for {
  4876  		v_0 := v.Args[0]
  4877  		if v_0.Op != OpConst32 {
  4878  			break
  4879  		}
  4880  		c := v_0.AuxInt
  4881  		v_1 := v.Args[1]
  4882  		if v_1.Op != OpConst32 {
  4883  			break
  4884  		}
  4885  		d := v_1.AuxInt
  4886  		if !(d != 0) {
  4887  			break
  4888  		}
  4889  		v.reset(OpConst32)
  4890  		v.AuxInt = int64(int32(c % d))
  4891  		return true
  4892  	}
  4893  	return false
  4894  }
  4895  func rewriteValuegeneric_OpMod32u(v *Value, config *Config) bool {
  4896  	b := v.Block
  4897  	_ = b
  4898  	// match: (Mod32u (Const32 [c]) (Const32 [d]))
  4899  	// cond: d != 0
  4900  	// result: (Const32 [int64(uint32(c) % uint32(d))])
  4901  	for {
  4902  		v_0 := v.Args[0]
  4903  		if v_0.Op != OpConst32 {
  4904  			break
  4905  		}
  4906  		c := v_0.AuxInt
  4907  		v_1 := v.Args[1]
  4908  		if v_1.Op != OpConst32 {
  4909  			break
  4910  		}
  4911  		d := v_1.AuxInt
  4912  		if !(d != 0) {
  4913  			break
  4914  		}
  4915  		v.reset(OpConst32)
  4916  		v.AuxInt = int64(uint32(c) % uint32(d))
  4917  		return true
  4918  	}
  4919  	return false
  4920  }
  4921  func rewriteValuegeneric_OpMod64(v *Value, config *Config) bool {
  4922  	b := v.Block
  4923  	_ = b
  4924  	// match: (Mod64 (Const64 [c]) (Const64 [d]))
  4925  	// cond: d != 0
  4926  	// result: (Const64 [c % d])
  4927  	for {
  4928  		v_0 := v.Args[0]
  4929  		if v_0.Op != OpConst64 {
  4930  			break
  4931  		}
  4932  		c := v_0.AuxInt
  4933  		v_1 := v.Args[1]
  4934  		if v_1.Op != OpConst64 {
  4935  			break
  4936  		}
  4937  		d := v_1.AuxInt
  4938  		if !(d != 0) {
  4939  			break
  4940  		}
  4941  		v.reset(OpConst64)
  4942  		v.AuxInt = c % d
  4943  		return true
  4944  	}
  4945  	// match: (Mod64  <t> x (Const64 [c]))
  4946  	// cond: x.Op != OpConst64 && smagic64ok(c)
  4947  	// result: (Sub64 x (Mul64 <t> (Div64  <t> x (Const64 <t> [c])) (Const64 <t> [c])))
  4948  	for {
  4949  		t := v.Type
  4950  		x := v.Args[0]
  4951  		v_1 := v.Args[1]
  4952  		if v_1.Op != OpConst64 {
  4953  			break
  4954  		}
  4955  		c := v_1.AuxInt
  4956  		if !(x.Op != OpConst64 && smagic64ok(c)) {
  4957  			break
  4958  		}
  4959  		v.reset(OpSub64)
  4960  		v.AddArg(x)
  4961  		v0 := b.NewValue0(v.Line, OpMul64, t)
  4962  		v1 := b.NewValue0(v.Line, OpDiv64, t)
  4963  		v1.AddArg(x)
  4964  		v2 := b.NewValue0(v.Line, OpConst64, t)
  4965  		v2.AuxInt = c
  4966  		v1.AddArg(v2)
  4967  		v0.AddArg(v1)
  4968  		v3 := b.NewValue0(v.Line, OpConst64, t)
  4969  		v3.AuxInt = c
  4970  		v0.AddArg(v3)
  4971  		v.AddArg(v0)
  4972  		return true
  4973  	}
  4974  	return false
  4975  }
  4976  func rewriteValuegeneric_OpMod64u(v *Value, config *Config) bool {
  4977  	b := v.Block
  4978  	_ = b
  4979  	// match: (Mod64u (Const64 [c]) (Const64 [d]))
  4980  	// cond: d != 0
  4981  	// result: (Const64 [int64(uint64(c) % uint64(d))])
  4982  	for {
  4983  		v_0 := v.Args[0]
  4984  		if v_0.Op != OpConst64 {
  4985  			break
  4986  		}
  4987  		c := v_0.AuxInt
  4988  		v_1 := v.Args[1]
  4989  		if v_1.Op != OpConst64 {
  4990  			break
  4991  		}
  4992  		d := v_1.AuxInt
  4993  		if !(d != 0) {
  4994  			break
  4995  		}
  4996  		v.reset(OpConst64)
  4997  		v.AuxInt = int64(uint64(c) % uint64(d))
  4998  		return true
  4999  	}
  5000  	// match: (Mod64u <t> n (Const64 [c]))
  5001  	// cond: isPowerOfTwo(c)
  5002  	// result: (And64 n (Const64 <t> [c-1]))
  5003  	for {
  5004  		t := v.Type
  5005  		n := v.Args[0]
  5006  		v_1 := v.Args[1]
  5007  		if v_1.Op != OpConst64 {
  5008  			break
  5009  		}
  5010  		c := v_1.AuxInt
  5011  		if !(isPowerOfTwo(c)) {
  5012  			break
  5013  		}
  5014  		v.reset(OpAnd64)
  5015  		v.AddArg(n)
  5016  		v0 := b.NewValue0(v.Line, OpConst64, t)
  5017  		v0.AuxInt = c - 1
  5018  		v.AddArg(v0)
  5019  		return true
  5020  	}
  5021  	// match: (Mod64u <t> x (Const64 [c]))
  5022  	// cond: x.Op != OpConst64 && umagic64ok(c)
  5023  	// result: (Sub64 x (Mul64 <t> (Div64u <t> x (Const64 <t> [c])) (Const64 <t> [c])))
  5024  	for {
  5025  		t := v.Type
  5026  		x := v.Args[0]
  5027  		v_1 := v.Args[1]
  5028  		if v_1.Op != OpConst64 {
  5029  			break
  5030  		}
  5031  		c := v_1.AuxInt
  5032  		if !(x.Op != OpConst64 && umagic64ok(c)) {
  5033  			break
  5034  		}
  5035  		v.reset(OpSub64)
  5036  		v.AddArg(x)
  5037  		v0 := b.NewValue0(v.Line, OpMul64, t)
  5038  		v1 := b.NewValue0(v.Line, OpDiv64u, t)
  5039  		v1.AddArg(x)
  5040  		v2 := b.NewValue0(v.Line, OpConst64, t)
  5041  		v2.AuxInt = c
  5042  		v1.AddArg(v2)
  5043  		v0.AddArg(v1)
  5044  		v3 := b.NewValue0(v.Line, OpConst64, t)
  5045  		v3.AuxInt = c
  5046  		v0.AddArg(v3)
  5047  		v.AddArg(v0)
  5048  		return true
  5049  	}
  5050  	return false
  5051  }
  5052  func rewriteValuegeneric_OpMod8(v *Value, config *Config) bool {
  5053  	b := v.Block
  5054  	_ = b
  5055  	// match: (Mod8  (Const8  [c]) (Const8  [d]))
  5056  	// cond: d != 0
  5057  	// result: (Const8  [int64(int8(c % d))])
  5058  	for {
  5059  		v_0 := v.Args[0]
  5060  		if v_0.Op != OpConst8 {
  5061  			break
  5062  		}
  5063  		c := v_0.AuxInt
  5064  		v_1 := v.Args[1]
  5065  		if v_1.Op != OpConst8 {
  5066  			break
  5067  		}
  5068  		d := v_1.AuxInt
  5069  		if !(d != 0) {
  5070  			break
  5071  		}
  5072  		v.reset(OpConst8)
  5073  		v.AuxInt = int64(int8(c % d))
  5074  		return true
  5075  	}
  5076  	return false
  5077  }
  5078  func rewriteValuegeneric_OpMod8u(v *Value, config *Config) bool {
  5079  	b := v.Block
  5080  	_ = b
  5081  	// match: (Mod8u  (Const8 [c])  (Const8  [d]))
  5082  	// cond: d != 0
  5083  	// result: (Const8  [int64(uint8(c) % uint8(d))])
  5084  	for {
  5085  		v_0 := v.Args[0]
  5086  		if v_0.Op != OpConst8 {
  5087  			break
  5088  		}
  5089  		c := v_0.AuxInt
  5090  		v_1 := v.Args[1]
  5091  		if v_1.Op != OpConst8 {
  5092  			break
  5093  		}
  5094  		d := v_1.AuxInt
  5095  		if !(d != 0) {
  5096  			break
  5097  		}
  5098  		v.reset(OpConst8)
  5099  		v.AuxInt = int64(uint8(c) % uint8(d))
  5100  		return true
  5101  	}
  5102  	return false
  5103  }
  5104  func rewriteValuegeneric_OpMul16(v *Value, config *Config) bool {
  5105  	b := v.Block
  5106  	_ = b
  5107  	// match: (Mul16  (Const16 [c])  (Const16 [d]))
  5108  	// cond:
  5109  	// result: (Const16 [int64(int16(c*d))])
  5110  	for {
  5111  		v_0 := v.Args[0]
  5112  		if v_0.Op != OpConst16 {
  5113  			break
  5114  		}
  5115  		c := v_0.AuxInt
  5116  		v_1 := v.Args[1]
  5117  		if v_1.Op != OpConst16 {
  5118  			break
  5119  		}
  5120  		d := v_1.AuxInt
  5121  		v.reset(OpConst16)
  5122  		v.AuxInt = int64(int16(c * d))
  5123  		return true
  5124  	}
  5125  	// match: (Mul16 x (Const16 <t> [c]))
  5126  	// cond: x.Op != OpConst16
  5127  	// result: (Mul16 (Const16 <t> [c]) x)
  5128  	for {
  5129  		x := v.Args[0]
  5130  		v_1 := v.Args[1]
  5131  		if v_1.Op != OpConst16 {
  5132  			break
  5133  		}
  5134  		t := v_1.Type
  5135  		c := v_1.AuxInt
  5136  		if !(x.Op != OpConst16) {
  5137  			break
  5138  		}
  5139  		v.reset(OpMul16)
  5140  		v0 := b.NewValue0(v.Line, OpConst16, t)
  5141  		v0.AuxInt = c
  5142  		v.AddArg(v0)
  5143  		v.AddArg(x)
  5144  		return true
  5145  	}
  5146  	// match: (Mul16 (Const16 [0]) _)
  5147  	// cond:
  5148  	// result: (Const16 [0])
  5149  	for {
  5150  		v_0 := v.Args[0]
  5151  		if v_0.Op != OpConst16 {
  5152  			break
  5153  		}
  5154  		if v_0.AuxInt != 0 {
  5155  			break
  5156  		}
  5157  		v.reset(OpConst16)
  5158  		v.AuxInt = 0
  5159  		return true
  5160  	}
  5161  	return false
  5162  }
  5163  func rewriteValuegeneric_OpMul32(v *Value, config *Config) bool {
  5164  	b := v.Block
  5165  	_ = b
  5166  	// match: (Mul32  (Const32 [c])  (Const32 [d]))
  5167  	// cond:
  5168  	// result: (Const32 [int64(int32(c*d))])
  5169  	for {
  5170  		v_0 := v.Args[0]
  5171  		if v_0.Op != OpConst32 {
  5172  			break
  5173  		}
  5174  		c := v_0.AuxInt
  5175  		v_1 := v.Args[1]
  5176  		if v_1.Op != OpConst32 {
  5177  			break
  5178  		}
  5179  		d := v_1.AuxInt
  5180  		v.reset(OpConst32)
  5181  		v.AuxInt = int64(int32(c * d))
  5182  		return true
  5183  	}
  5184  	// match: (Mul32 x (Const32 <t> [c]))
  5185  	// cond: x.Op != OpConst32
  5186  	// result: (Mul32 (Const32 <t> [c]) x)
  5187  	for {
  5188  		x := v.Args[0]
  5189  		v_1 := v.Args[1]
  5190  		if v_1.Op != OpConst32 {
  5191  			break
  5192  		}
  5193  		t := v_1.Type
  5194  		c := v_1.AuxInt
  5195  		if !(x.Op != OpConst32) {
  5196  			break
  5197  		}
  5198  		v.reset(OpMul32)
  5199  		v0 := b.NewValue0(v.Line, OpConst32, t)
  5200  		v0.AuxInt = c
  5201  		v.AddArg(v0)
  5202  		v.AddArg(x)
  5203  		return true
  5204  	}
  5205  	// match: (Mul32 (Const32 <t> [c]) (Add32 <t> (Const32 <t> [d]) x))
  5206  	// cond:
  5207  	// result: (Add32 (Const32 <t> [int64(int32(c*d))]) (Mul32 <t> (Const32 <t> [c]) x))
  5208  	for {
  5209  		v_0 := v.Args[0]
  5210  		if v_0.Op != OpConst32 {
  5211  			break
  5212  		}
  5213  		t := v_0.Type
  5214  		c := v_0.AuxInt
  5215  		v_1 := v.Args[1]
  5216  		if v_1.Op != OpAdd32 {
  5217  			break
  5218  		}
  5219  		if v_1.Type != t {
  5220  			break
  5221  		}
  5222  		v_1_0 := v_1.Args[0]
  5223  		if v_1_0.Op != OpConst32 {
  5224  			break
  5225  		}
  5226  		if v_1_0.Type != t {
  5227  			break
  5228  		}
  5229  		d := v_1_0.AuxInt
  5230  		x := v_1.Args[1]
  5231  		v.reset(OpAdd32)
  5232  		v0 := b.NewValue0(v.Line, OpConst32, t)
  5233  		v0.AuxInt = int64(int32(c * d))
  5234  		v.AddArg(v0)
  5235  		v1 := b.NewValue0(v.Line, OpMul32, t)
  5236  		v2 := b.NewValue0(v.Line, OpConst32, t)
  5237  		v2.AuxInt = c
  5238  		v1.AddArg(v2)
  5239  		v1.AddArg(x)
  5240  		v.AddArg(v1)
  5241  		return true
  5242  	}
  5243  	// match: (Mul32 (Const32 [0]) _)
  5244  	// cond:
  5245  	// result: (Const32 [0])
  5246  	for {
  5247  		v_0 := v.Args[0]
  5248  		if v_0.Op != OpConst32 {
  5249  			break
  5250  		}
  5251  		if v_0.AuxInt != 0 {
  5252  			break
  5253  		}
  5254  		v.reset(OpConst32)
  5255  		v.AuxInt = 0
  5256  		return true
  5257  	}
  5258  	return false
  5259  }
  5260  func rewriteValuegeneric_OpMul32F(v *Value, config *Config) bool {
  5261  	b := v.Block
  5262  	_ = b
  5263  	// match: (Mul32F (Const32F [c]) (Const32F [d]))
  5264  	// cond:
  5265  	// result: (Const32F [f2i(float64(i2f32(c) * i2f32(d)))])
  5266  	for {
  5267  		v_0 := v.Args[0]
  5268  		if v_0.Op != OpConst32F {
  5269  			break
  5270  		}
  5271  		c := v_0.AuxInt
  5272  		v_1 := v.Args[1]
  5273  		if v_1.Op != OpConst32F {
  5274  			break
  5275  		}
  5276  		d := v_1.AuxInt
  5277  		v.reset(OpConst32F)
  5278  		v.AuxInt = f2i(float64(i2f32(c) * i2f32(d)))
  5279  		return true
  5280  	}
  5281  	return false
  5282  }
  5283  func rewriteValuegeneric_OpMul64(v *Value, config *Config) bool {
  5284  	b := v.Block
  5285  	_ = b
  5286  	// match: (Mul64  (Const64 [c])  (Const64 [d]))
  5287  	// cond:
  5288  	// result: (Const64 [c*d])
  5289  	for {
  5290  		v_0 := v.Args[0]
  5291  		if v_0.Op != OpConst64 {
  5292  			break
  5293  		}
  5294  		c := v_0.AuxInt
  5295  		v_1 := v.Args[1]
  5296  		if v_1.Op != OpConst64 {
  5297  			break
  5298  		}
  5299  		d := v_1.AuxInt
  5300  		v.reset(OpConst64)
  5301  		v.AuxInt = c * d
  5302  		return true
  5303  	}
  5304  	// match: (Mul64 x (Const64 <t> [c]))
  5305  	// cond: x.Op != OpConst64
  5306  	// result: (Mul64 (Const64 <t> [c]) x)
  5307  	for {
  5308  		x := v.Args[0]
  5309  		v_1 := v.Args[1]
  5310  		if v_1.Op != OpConst64 {
  5311  			break
  5312  		}
  5313  		t := v_1.Type
  5314  		c := v_1.AuxInt
  5315  		if !(x.Op != OpConst64) {
  5316  			break
  5317  		}
  5318  		v.reset(OpMul64)
  5319  		v0 := b.NewValue0(v.Line, OpConst64, t)
  5320  		v0.AuxInt = c
  5321  		v.AddArg(v0)
  5322  		v.AddArg(x)
  5323  		return true
  5324  	}
  5325  	// match: (Mul64 (Const64 <t> [c]) (Add64 <t> (Const64 <t> [d]) x))
  5326  	// cond:
  5327  	// result: (Add64 (Const64 <t> [c*d]) (Mul64 <t> (Const64 <t> [c]) x))
  5328  	for {
  5329  		v_0 := v.Args[0]
  5330  		if v_0.Op != OpConst64 {
  5331  			break
  5332  		}
  5333  		t := v_0.Type
  5334  		c := v_0.AuxInt
  5335  		v_1 := v.Args[1]
  5336  		if v_1.Op != OpAdd64 {
  5337  			break
  5338  		}
  5339  		if v_1.Type != t {
  5340  			break
  5341  		}
  5342  		v_1_0 := v_1.Args[0]
  5343  		if v_1_0.Op != OpConst64 {
  5344  			break
  5345  		}
  5346  		if v_1_0.Type != t {
  5347  			break
  5348  		}
  5349  		d := v_1_0.AuxInt
  5350  		x := v_1.Args[1]
  5351  		v.reset(OpAdd64)
  5352  		v0 := b.NewValue0(v.Line, OpConst64, t)
  5353  		v0.AuxInt = c * d
  5354  		v.AddArg(v0)
  5355  		v1 := b.NewValue0(v.Line, OpMul64, t)
  5356  		v2 := b.NewValue0(v.Line, OpConst64, t)
  5357  		v2.AuxInt = c
  5358  		v1.AddArg(v2)
  5359  		v1.AddArg(x)
  5360  		v.AddArg(v1)
  5361  		return true
  5362  	}
  5363  	// match: (Mul64 (Const64 [0]) _)
  5364  	// cond:
  5365  	// result: (Const64 [0])
  5366  	for {
  5367  		v_0 := v.Args[0]
  5368  		if v_0.Op != OpConst64 {
  5369  			break
  5370  		}
  5371  		if v_0.AuxInt != 0 {
  5372  			break
  5373  		}
  5374  		v.reset(OpConst64)
  5375  		v.AuxInt = 0
  5376  		return true
  5377  	}
  5378  	return false
  5379  }
  5380  func rewriteValuegeneric_OpMul64F(v *Value, config *Config) bool {
  5381  	b := v.Block
  5382  	_ = b
  5383  	// match: (Mul64F (Const64F [c]) (Const64F [d]))
  5384  	// cond:
  5385  	// result: (Const64F [f2i(i2f(c) * i2f(d))])
  5386  	for {
  5387  		v_0 := v.Args[0]
  5388  		if v_0.Op != OpConst64F {
  5389  			break
  5390  		}
  5391  		c := v_0.AuxInt
  5392  		v_1 := v.Args[1]
  5393  		if v_1.Op != OpConst64F {
  5394  			break
  5395  		}
  5396  		d := v_1.AuxInt
  5397  		v.reset(OpConst64F)
  5398  		v.AuxInt = f2i(i2f(c) * i2f(d))
  5399  		return true
  5400  	}
  5401  	return false
  5402  }
  5403  func rewriteValuegeneric_OpMul8(v *Value, config *Config) bool {
  5404  	b := v.Block
  5405  	_ = b
  5406  	// match: (Mul8   (Const8 [c])   (Const8 [d]))
  5407  	// cond:
  5408  	// result: (Const8  [int64(int8(c*d))])
  5409  	for {
  5410  		v_0 := v.Args[0]
  5411  		if v_0.Op != OpConst8 {
  5412  			break
  5413  		}
  5414  		c := v_0.AuxInt
  5415  		v_1 := v.Args[1]
  5416  		if v_1.Op != OpConst8 {
  5417  			break
  5418  		}
  5419  		d := v_1.AuxInt
  5420  		v.reset(OpConst8)
  5421  		v.AuxInt = int64(int8(c * d))
  5422  		return true
  5423  	}
  5424  	// match: (Mul8  x (Const8  <t> [c]))
  5425  	// cond: x.Op != OpConst8
  5426  	// result: (Mul8  (Const8  <t> [c]) x)
  5427  	for {
  5428  		x := v.Args[0]
  5429  		v_1 := v.Args[1]
  5430  		if v_1.Op != OpConst8 {
  5431  			break
  5432  		}
  5433  		t := v_1.Type
  5434  		c := v_1.AuxInt
  5435  		if !(x.Op != OpConst8) {
  5436  			break
  5437  		}
  5438  		v.reset(OpMul8)
  5439  		v0 := b.NewValue0(v.Line, OpConst8, t)
  5440  		v0.AuxInt = c
  5441  		v.AddArg(v0)
  5442  		v.AddArg(x)
  5443  		return true
  5444  	}
  5445  	// match: (Mul8  (Const8  [0]) _)
  5446  	// cond:
  5447  	// result: (Const8  [0])
  5448  	for {
  5449  		v_0 := v.Args[0]
  5450  		if v_0.Op != OpConst8 {
  5451  			break
  5452  		}
  5453  		if v_0.AuxInt != 0 {
  5454  			break
  5455  		}
  5456  		v.reset(OpConst8)
  5457  		v.AuxInt = 0
  5458  		return true
  5459  	}
  5460  	return false
  5461  }
  5462  func rewriteValuegeneric_OpNeg16(v *Value, config *Config) bool {
  5463  	b := v.Block
  5464  	_ = b
  5465  	// match: (Neg16 (Sub16 x y))
  5466  	// cond:
  5467  	// result: (Sub16 y x)
  5468  	for {
  5469  		v_0 := v.Args[0]
  5470  		if v_0.Op != OpSub16 {
  5471  			break
  5472  		}
  5473  		x := v_0.Args[0]
  5474  		y := v_0.Args[1]
  5475  		v.reset(OpSub16)
  5476  		v.AddArg(y)
  5477  		v.AddArg(x)
  5478  		return true
  5479  	}
  5480  	return false
  5481  }
  5482  func rewriteValuegeneric_OpNeg32(v *Value, config *Config) bool {
  5483  	b := v.Block
  5484  	_ = b
  5485  	// match: (Neg32 (Sub32 x y))
  5486  	// cond:
  5487  	// result: (Sub32 y x)
  5488  	for {
  5489  		v_0 := v.Args[0]
  5490  		if v_0.Op != OpSub32 {
  5491  			break
  5492  		}
  5493  		x := v_0.Args[0]
  5494  		y := v_0.Args[1]
  5495  		v.reset(OpSub32)
  5496  		v.AddArg(y)
  5497  		v.AddArg(x)
  5498  		return true
  5499  	}
  5500  	return false
  5501  }
  5502  func rewriteValuegeneric_OpNeg64(v *Value, config *Config) bool {
  5503  	b := v.Block
  5504  	_ = b
  5505  	// match: (Neg64 (Sub64 x y))
  5506  	// cond:
  5507  	// result: (Sub64 y x)
  5508  	for {
  5509  		v_0 := v.Args[0]
  5510  		if v_0.Op != OpSub64 {
  5511  			break
  5512  		}
  5513  		x := v_0.Args[0]
  5514  		y := v_0.Args[1]
  5515  		v.reset(OpSub64)
  5516  		v.AddArg(y)
  5517  		v.AddArg(x)
  5518  		return true
  5519  	}
  5520  	return false
  5521  }
  5522  func rewriteValuegeneric_OpNeg8(v *Value, config *Config) bool {
  5523  	b := v.Block
  5524  	_ = b
  5525  	// match: (Neg8  (Sub8  x y))
  5526  	// cond:
  5527  	// result: (Sub8  y x)
  5528  	for {
  5529  		v_0 := v.Args[0]
  5530  		if v_0.Op != OpSub8 {
  5531  			break
  5532  		}
  5533  		x := v_0.Args[0]
  5534  		y := v_0.Args[1]
  5535  		v.reset(OpSub8)
  5536  		v.AddArg(y)
  5537  		v.AddArg(x)
  5538  		return true
  5539  	}
  5540  	return false
  5541  }
  5542  func rewriteValuegeneric_OpNeq16(v *Value, config *Config) bool {
  5543  	b := v.Block
  5544  	_ = b
  5545  	// match: (Neq16 x x)
  5546  	// cond:
  5547  	// result: (ConstBool [0])
  5548  	for {
  5549  		x := v.Args[0]
  5550  		if x != v.Args[1] {
  5551  			break
  5552  		}
  5553  		v.reset(OpConstBool)
  5554  		v.AuxInt = 0
  5555  		return true
  5556  	}
  5557  	// match: (Neq16 (Const16 <t> [c]) (Add16 (Const16 <t> [d]) x))
  5558  	// cond:
  5559  	// result: (Neq16 (Const16 <t> [int64(int16(c-d))]) x)
  5560  	for {
  5561  		v_0 := v.Args[0]
  5562  		if v_0.Op != OpConst16 {
  5563  			break
  5564  		}
  5565  		t := v_0.Type
  5566  		c := v_0.AuxInt
  5567  		v_1 := v.Args[1]
  5568  		if v_1.Op != OpAdd16 {
  5569  			break
  5570  		}
  5571  		v_1_0 := v_1.Args[0]
  5572  		if v_1_0.Op != OpConst16 {
  5573  			break
  5574  		}
  5575  		if v_1_0.Type != t {
  5576  			break
  5577  		}
  5578  		d := v_1_0.AuxInt
  5579  		x := v_1.Args[1]
  5580  		v.reset(OpNeq16)
  5581  		v0 := b.NewValue0(v.Line, OpConst16, t)
  5582  		v0.AuxInt = int64(int16(c - d))
  5583  		v.AddArg(v0)
  5584  		v.AddArg(x)
  5585  		return true
  5586  	}
  5587  	// match: (Neq16 x (Const16 <t> [c]))
  5588  	// cond: x.Op != OpConst16
  5589  	// result: (Neq16 (Const16 <t> [c]) x)
  5590  	for {
  5591  		x := v.Args[0]
  5592  		v_1 := v.Args[1]
  5593  		if v_1.Op != OpConst16 {
  5594  			break
  5595  		}
  5596  		t := v_1.Type
  5597  		c := v_1.AuxInt
  5598  		if !(x.Op != OpConst16) {
  5599  			break
  5600  		}
  5601  		v.reset(OpNeq16)
  5602  		v0 := b.NewValue0(v.Line, OpConst16, t)
  5603  		v0.AuxInt = c
  5604  		v.AddArg(v0)
  5605  		v.AddArg(x)
  5606  		return true
  5607  	}
  5608  	// match: (Neq16 (Const16 [c]) (Const16 [d]))
  5609  	// cond:
  5610  	// result: (ConstBool [b2i(c != d)])
  5611  	for {
  5612  		v_0 := v.Args[0]
  5613  		if v_0.Op != OpConst16 {
  5614  			break
  5615  		}
  5616  		c := v_0.AuxInt
  5617  		v_1 := v.Args[1]
  5618  		if v_1.Op != OpConst16 {
  5619  			break
  5620  		}
  5621  		d := v_1.AuxInt
  5622  		v.reset(OpConstBool)
  5623  		v.AuxInt = b2i(c != d)
  5624  		return true
  5625  	}
  5626  	return false
  5627  }
  5628  func rewriteValuegeneric_OpNeq32(v *Value, config *Config) bool {
  5629  	b := v.Block
  5630  	_ = b
  5631  	// match: (Neq32 x x)
  5632  	// cond:
  5633  	// result: (ConstBool [0])
  5634  	for {
  5635  		x := v.Args[0]
  5636  		if x != v.Args[1] {
  5637  			break
  5638  		}
  5639  		v.reset(OpConstBool)
  5640  		v.AuxInt = 0
  5641  		return true
  5642  	}
  5643  	// match: (Neq32 (Const32 <t> [c]) (Add32 (Const32 <t> [d]) x))
  5644  	// cond:
  5645  	// result: (Neq32 (Const32 <t> [int64(int32(c-d))]) x)
  5646  	for {
  5647  		v_0 := v.Args[0]
  5648  		if v_0.Op != OpConst32 {
  5649  			break
  5650  		}
  5651  		t := v_0.Type
  5652  		c := v_0.AuxInt
  5653  		v_1 := v.Args[1]
  5654  		if v_1.Op != OpAdd32 {
  5655  			break
  5656  		}
  5657  		v_1_0 := v_1.Args[0]
  5658  		if v_1_0.Op != OpConst32 {
  5659  			break
  5660  		}
  5661  		if v_1_0.Type != t {
  5662  			break
  5663  		}
  5664  		d := v_1_0.AuxInt
  5665  		x := v_1.Args[1]
  5666  		v.reset(OpNeq32)
  5667  		v0 := b.NewValue0(v.Line, OpConst32, t)
  5668  		v0.AuxInt = int64(int32(c - d))
  5669  		v.AddArg(v0)
  5670  		v.AddArg(x)
  5671  		return true
  5672  	}
  5673  	// match: (Neq32 x (Const32 <t> [c]))
  5674  	// cond: x.Op != OpConst32
  5675  	// result: (Neq32 (Const32 <t> [c]) x)
  5676  	for {
  5677  		x := v.Args[0]
  5678  		v_1 := v.Args[1]
  5679  		if v_1.Op != OpConst32 {
  5680  			break
  5681  		}
  5682  		t := v_1.Type
  5683  		c := v_1.AuxInt
  5684  		if !(x.Op != OpConst32) {
  5685  			break
  5686  		}
  5687  		v.reset(OpNeq32)
  5688  		v0 := b.NewValue0(v.Line, OpConst32, t)
  5689  		v0.AuxInt = c
  5690  		v.AddArg(v0)
  5691  		v.AddArg(x)
  5692  		return true
  5693  	}
  5694  	// match: (Neq32 (Const32 [c]) (Const32 [d]))
  5695  	// cond:
  5696  	// result: (ConstBool [b2i(c != d)])
  5697  	for {
  5698  		v_0 := v.Args[0]
  5699  		if v_0.Op != OpConst32 {
  5700  			break
  5701  		}
  5702  		c := v_0.AuxInt
  5703  		v_1 := v.Args[1]
  5704  		if v_1.Op != OpConst32 {
  5705  			break
  5706  		}
  5707  		d := v_1.AuxInt
  5708  		v.reset(OpConstBool)
  5709  		v.AuxInt = b2i(c != d)
  5710  		return true
  5711  	}
  5712  	return false
  5713  }
  5714  func rewriteValuegeneric_OpNeq64(v *Value, config *Config) bool {
  5715  	b := v.Block
  5716  	_ = b
  5717  	// match: (Neq64 x x)
  5718  	// cond:
  5719  	// result: (ConstBool [0])
  5720  	for {
  5721  		x := v.Args[0]
  5722  		if x != v.Args[1] {
  5723  			break
  5724  		}
  5725  		v.reset(OpConstBool)
  5726  		v.AuxInt = 0
  5727  		return true
  5728  	}
  5729  	// match: (Neq64 (Const64 <t> [c]) (Add64 (Const64 <t> [d]) x))
  5730  	// cond:
  5731  	// result: (Neq64 (Const64 <t> [c-d]) x)
  5732  	for {
  5733  		v_0 := v.Args[0]
  5734  		if v_0.Op != OpConst64 {
  5735  			break
  5736  		}
  5737  		t := v_0.Type
  5738  		c := v_0.AuxInt
  5739  		v_1 := v.Args[1]
  5740  		if v_1.Op != OpAdd64 {
  5741  			break
  5742  		}
  5743  		v_1_0 := v_1.Args[0]
  5744  		if v_1_0.Op != OpConst64 {
  5745  			break
  5746  		}
  5747  		if v_1_0.Type != t {
  5748  			break
  5749  		}
  5750  		d := v_1_0.AuxInt
  5751  		x := v_1.Args[1]
  5752  		v.reset(OpNeq64)
  5753  		v0 := b.NewValue0(v.Line, OpConst64, t)
  5754  		v0.AuxInt = c - d
  5755  		v.AddArg(v0)
  5756  		v.AddArg(x)
  5757  		return true
  5758  	}
  5759  	// match: (Neq64 x (Const64 <t> [c]))
  5760  	// cond: x.Op != OpConst64
  5761  	// result: (Neq64 (Const64 <t> [c]) x)
  5762  	for {
  5763  		x := v.Args[0]
  5764  		v_1 := v.Args[1]
  5765  		if v_1.Op != OpConst64 {
  5766  			break
  5767  		}
  5768  		t := v_1.Type
  5769  		c := v_1.AuxInt
  5770  		if !(x.Op != OpConst64) {
  5771  			break
  5772  		}
  5773  		v.reset(OpNeq64)
  5774  		v0 := b.NewValue0(v.Line, OpConst64, t)
  5775  		v0.AuxInt = c
  5776  		v.AddArg(v0)
  5777  		v.AddArg(x)
  5778  		return true
  5779  	}
  5780  	// match: (Neq64 (Const64 [c]) (Const64 [d]))
  5781  	// cond:
  5782  	// result: (ConstBool [b2i(c != d)])
  5783  	for {
  5784  		v_0 := v.Args[0]
  5785  		if v_0.Op != OpConst64 {
  5786  			break
  5787  		}
  5788  		c := v_0.AuxInt
  5789  		v_1 := v.Args[1]
  5790  		if v_1.Op != OpConst64 {
  5791  			break
  5792  		}
  5793  		d := v_1.AuxInt
  5794  		v.reset(OpConstBool)
  5795  		v.AuxInt = b2i(c != d)
  5796  		return true
  5797  	}
  5798  	return false
  5799  }
  5800  func rewriteValuegeneric_OpNeq8(v *Value, config *Config) bool {
  5801  	b := v.Block
  5802  	_ = b
  5803  	// match: (Neq8  x x)
  5804  	// cond:
  5805  	// result: (ConstBool [0])
  5806  	for {
  5807  		x := v.Args[0]
  5808  		if x != v.Args[1] {
  5809  			break
  5810  		}
  5811  		v.reset(OpConstBool)
  5812  		v.AuxInt = 0
  5813  		return true
  5814  	}
  5815  	// match: (Neq8  (Const8  <t> [c]) (Add8  (Const8  <t> [d]) x))
  5816  	// cond:
  5817  	// result: (Neq8 (Const8 <t> [int64(int8(c-d))]) x)
  5818  	for {
  5819  		v_0 := v.Args[0]
  5820  		if v_0.Op != OpConst8 {
  5821  			break
  5822  		}
  5823  		t := v_0.Type
  5824  		c := v_0.AuxInt
  5825  		v_1 := v.Args[1]
  5826  		if v_1.Op != OpAdd8 {
  5827  			break
  5828  		}
  5829  		v_1_0 := v_1.Args[0]
  5830  		if v_1_0.Op != OpConst8 {
  5831  			break
  5832  		}
  5833  		if v_1_0.Type != t {
  5834  			break
  5835  		}
  5836  		d := v_1_0.AuxInt
  5837  		x := v_1.Args[1]
  5838  		v.reset(OpNeq8)
  5839  		v0 := b.NewValue0(v.Line, OpConst8, t)
  5840  		v0.AuxInt = int64(int8(c - d))
  5841  		v.AddArg(v0)
  5842  		v.AddArg(x)
  5843  		return true
  5844  	}
  5845  	// match: (Neq8  x (Const8 <t>  [c]))
  5846  	// cond: x.Op != OpConst8
  5847  	// result: (Neq8  (Const8  <t> [c]) x)
  5848  	for {
  5849  		x := v.Args[0]
  5850  		v_1 := v.Args[1]
  5851  		if v_1.Op != OpConst8 {
  5852  			break
  5853  		}
  5854  		t := v_1.Type
  5855  		c := v_1.AuxInt
  5856  		if !(x.Op != OpConst8) {
  5857  			break
  5858  		}
  5859  		v.reset(OpNeq8)
  5860  		v0 := b.NewValue0(v.Line, OpConst8, t)
  5861  		v0.AuxInt = c
  5862  		v.AddArg(v0)
  5863  		v.AddArg(x)
  5864  		return true
  5865  	}
  5866  	// match: (Neq8  (Const8  [c]) (Const8  [d]))
  5867  	// cond:
  5868  	// result: (ConstBool [b2i(c != d)])
  5869  	for {
  5870  		v_0 := v.Args[0]
  5871  		if v_0.Op != OpConst8 {
  5872  			break
  5873  		}
  5874  		c := v_0.AuxInt
  5875  		v_1 := v.Args[1]
  5876  		if v_1.Op != OpConst8 {
  5877  			break
  5878  		}
  5879  		d := v_1.AuxInt
  5880  		v.reset(OpConstBool)
  5881  		v.AuxInt = b2i(c != d)
  5882  		return true
  5883  	}
  5884  	return false
  5885  }
  5886  func rewriteValuegeneric_OpNeqB(v *Value, config *Config) bool {
  5887  	b := v.Block
  5888  	_ = b
  5889  	// match: (NeqB (ConstBool [c]) (ConstBool [d]))
  5890  	// cond:
  5891  	// result: (ConstBool [b2i(c != d)])
  5892  	for {
  5893  		v_0 := v.Args[0]
  5894  		if v_0.Op != OpConstBool {
  5895  			break
  5896  		}
  5897  		c := v_0.AuxInt
  5898  		v_1 := v.Args[1]
  5899  		if v_1.Op != OpConstBool {
  5900  			break
  5901  		}
  5902  		d := v_1.AuxInt
  5903  		v.reset(OpConstBool)
  5904  		v.AuxInt = b2i(c != d)
  5905  		return true
  5906  	}
  5907  	// match: (NeqB (ConstBool [0]) x)
  5908  	// cond:
  5909  	// result: x
  5910  	for {
  5911  		v_0 := v.Args[0]
  5912  		if v_0.Op != OpConstBool {
  5913  			break
  5914  		}
  5915  		if v_0.AuxInt != 0 {
  5916  			break
  5917  		}
  5918  		x := v.Args[1]
  5919  		v.reset(OpCopy)
  5920  		v.Type = x.Type
  5921  		v.AddArg(x)
  5922  		return true
  5923  	}
  5924  	// match: (NeqB (ConstBool [1]) x)
  5925  	// cond:
  5926  	// result: (Not x)
  5927  	for {
  5928  		v_0 := v.Args[0]
  5929  		if v_0.Op != OpConstBool {
  5930  			break
  5931  		}
  5932  		if v_0.AuxInt != 1 {
  5933  			break
  5934  		}
  5935  		x := v.Args[1]
  5936  		v.reset(OpNot)
  5937  		v.AddArg(x)
  5938  		return true
  5939  	}
  5940  	return false
  5941  }
  5942  func rewriteValuegeneric_OpNeqInter(v *Value, config *Config) bool {
  5943  	b := v.Block
  5944  	_ = b
  5945  	// match: (NeqInter x y)
  5946  	// cond:
  5947  	// result: (NeqPtr (ITab x) (ITab y))
  5948  	for {
  5949  		x := v.Args[0]
  5950  		y := v.Args[1]
  5951  		v.reset(OpNeqPtr)
  5952  		v0 := b.NewValue0(v.Line, OpITab, config.fe.TypeBytePtr())
  5953  		v0.AddArg(x)
  5954  		v.AddArg(v0)
  5955  		v1 := b.NewValue0(v.Line, OpITab, config.fe.TypeBytePtr())
  5956  		v1.AddArg(y)
  5957  		v.AddArg(v1)
  5958  		return true
  5959  	}
  5960  }
  5961  func rewriteValuegeneric_OpNeqPtr(v *Value, config *Config) bool {
  5962  	b := v.Block
  5963  	_ = b
  5964  	// match: (NeqPtr p (ConstNil))
  5965  	// cond:
  5966  	// result: (IsNonNil p)
  5967  	for {
  5968  		p := v.Args[0]
  5969  		v_1 := v.Args[1]
  5970  		if v_1.Op != OpConstNil {
  5971  			break
  5972  		}
  5973  		v.reset(OpIsNonNil)
  5974  		v.AddArg(p)
  5975  		return true
  5976  	}
  5977  	// match: (NeqPtr (ConstNil) p)
  5978  	// cond:
  5979  	// result: (IsNonNil p)
  5980  	for {
  5981  		v_0 := v.Args[0]
  5982  		if v_0.Op != OpConstNil {
  5983  			break
  5984  		}
  5985  		p := v.Args[1]
  5986  		v.reset(OpIsNonNil)
  5987  		v.AddArg(p)
  5988  		return true
  5989  	}
  5990  	return false
  5991  }
  5992  func rewriteValuegeneric_OpNeqSlice(v *Value, config *Config) bool {
  5993  	b := v.Block
  5994  	_ = b
  5995  	// match: (NeqSlice x y)
  5996  	// cond:
  5997  	// result: (NeqPtr (SlicePtr x) (SlicePtr y))
  5998  	for {
  5999  		x := v.Args[0]
  6000  		y := v.Args[1]
  6001  		v.reset(OpNeqPtr)
  6002  		v0 := b.NewValue0(v.Line, OpSlicePtr, config.fe.TypeBytePtr())
  6003  		v0.AddArg(x)
  6004  		v.AddArg(v0)
  6005  		v1 := b.NewValue0(v.Line, OpSlicePtr, config.fe.TypeBytePtr())
  6006  		v1.AddArg(y)
  6007  		v.AddArg(v1)
  6008  		return true
  6009  	}
  6010  }
  6011  func rewriteValuegeneric_OpOffPtr(v *Value, config *Config) bool {
  6012  	b := v.Block
  6013  	_ = b
  6014  	// match: (OffPtr (OffPtr p [b]) [a])
  6015  	// cond:
  6016  	// result: (OffPtr p [a+b])
  6017  	for {
  6018  		v_0 := v.Args[0]
  6019  		if v_0.Op != OpOffPtr {
  6020  			break
  6021  		}
  6022  		p := v_0.Args[0]
  6023  		b := v_0.AuxInt
  6024  		a := v.AuxInt
  6025  		v.reset(OpOffPtr)
  6026  		v.AddArg(p)
  6027  		v.AuxInt = a + b
  6028  		return true
  6029  	}
  6030  	// match: (OffPtr p [0])
  6031  	// cond: v.Type.Compare(p.Type) == CMPeq
  6032  	// result: p
  6033  	for {
  6034  		p := v.Args[0]
  6035  		if v.AuxInt != 0 {
  6036  			break
  6037  		}
  6038  		if !(v.Type.Compare(p.Type) == CMPeq) {
  6039  			break
  6040  		}
  6041  		v.reset(OpCopy)
  6042  		v.Type = p.Type
  6043  		v.AddArg(p)
  6044  		return true
  6045  	}
  6046  	return false
  6047  }
  6048  func rewriteValuegeneric_OpOr16(v *Value, config *Config) bool {
  6049  	b := v.Block
  6050  	_ = b
  6051  	// match: (Or16 x (Const16 <t> [c]))
  6052  	// cond: x.Op != OpConst16
  6053  	// result: (Or16 (Const16 <t> [c]) x)
  6054  	for {
  6055  		x := v.Args[0]
  6056  		v_1 := v.Args[1]
  6057  		if v_1.Op != OpConst16 {
  6058  			break
  6059  		}
  6060  		t := v_1.Type
  6061  		c := v_1.AuxInt
  6062  		if !(x.Op != OpConst16) {
  6063  			break
  6064  		}
  6065  		v.reset(OpOr16)
  6066  		v0 := b.NewValue0(v.Line, OpConst16, t)
  6067  		v0.AuxInt = c
  6068  		v.AddArg(v0)
  6069  		v.AddArg(x)
  6070  		return true
  6071  	}
  6072  	// match: (Or16 x x)
  6073  	// cond:
  6074  	// result: x
  6075  	for {
  6076  		x := v.Args[0]
  6077  		if x != v.Args[1] {
  6078  			break
  6079  		}
  6080  		v.reset(OpCopy)
  6081  		v.Type = x.Type
  6082  		v.AddArg(x)
  6083  		return true
  6084  	}
  6085  	// match: (Or16 (Const16 [0]) x)
  6086  	// cond:
  6087  	// result: x
  6088  	for {
  6089  		v_0 := v.Args[0]
  6090  		if v_0.Op != OpConst16 {
  6091  			break
  6092  		}
  6093  		if v_0.AuxInt != 0 {
  6094  			break
  6095  		}
  6096  		x := v.Args[1]
  6097  		v.reset(OpCopy)
  6098  		v.Type = x.Type
  6099  		v.AddArg(x)
  6100  		return true
  6101  	}
  6102  	// match: (Or16 (Const16 [-1]) _)
  6103  	// cond:
  6104  	// result: (Const16 [-1])
  6105  	for {
  6106  		v_0 := v.Args[0]
  6107  		if v_0.Op != OpConst16 {
  6108  			break
  6109  		}
  6110  		if v_0.AuxInt != -1 {
  6111  			break
  6112  		}
  6113  		v.reset(OpConst16)
  6114  		v.AuxInt = -1
  6115  		return true
  6116  	}
  6117  	// match: (Or16 x (Or16 x y))
  6118  	// cond:
  6119  	// result: (Or16 x y)
  6120  	for {
  6121  		x := v.Args[0]
  6122  		v_1 := v.Args[1]
  6123  		if v_1.Op != OpOr16 {
  6124  			break
  6125  		}
  6126  		if x != v_1.Args[0] {
  6127  			break
  6128  		}
  6129  		y := v_1.Args[1]
  6130  		v.reset(OpOr16)
  6131  		v.AddArg(x)
  6132  		v.AddArg(y)
  6133  		return true
  6134  	}
  6135  	// match: (Or16 x (Or16 y x))
  6136  	// cond:
  6137  	// result: (Or16 x y)
  6138  	for {
  6139  		x := v.Args[0]
  6140  		v_1 := v.Args[1]
  6141  		if v_1.Op != OpOr16 {
  6142  			break
  6143  		}
  6144  		y := v_1.Args[0]
  6145  		if x != v_1.Args[1] {
  6146  			break
  6147  		}
  6148  		v.reset(OpOr16)
  6149  		v.AddArg(x)
  6150  		v.AddArg(y)
  6151  		return true
  6152  	}
  6153  	// match: (Or16 (Or16 x y) x)
  6154  	// cond:
  6155  	// result: (Or16 x y)
  6156  	for {
  6157  		v_0 := v.Args[0]
  6158  		if v_0.Op != OpOr16 {
  6159  			break
  6160  		}
  6161  		x := v_0.Args[0]
  6162  		y := v_0.Args[1]
  6163  		if x != v.Args[1] {
  6164  			break
  6165  		}
  6166  		v.reset(OpOr16)
  6167  		v.AddArg(x)
  6168  		v.AddArg(y)
  6169  		return true
  6170  	}
  6171  	// match: (Or16 (Or16 x y) y)
  6172  	// cond:
  6173  	// result: (Or16 x y)
  6174  	for {
  6175  		v_0 := v.Args[0]
  6176  		if v_0.Op != OpOr16 {
  6177  			break
  6178  		}
  6179  		x := v_0.Args[0]
  6180  		y := v_0.Args[1]
  6181  		if y != v.Args[1] {
  6182  			break
  6183  		}
  6184  		v.reset(OpOr16)
  6185  		v.AddArg(x)
  6186  		v.AddArg(y)
  6187  		return true
  6188  	}
  6189  	return false
  6190  }
  6191  func rewriteValuegeneric_OpOr32(v *Value, config *Config) bool {
  6192  	b := v.Block
  6193  	_ = b
  6194  	// match: (Or32 x (Const32 <t> [c]))
  6195  	// cond: x.Op != OpConst32
  6196  	// result: (Or32 (Const32 <t> [c]) x)
  6197  	for {
  6198  		x := v.Args[0]
  6199  		v_1 := v.Args[1]
  6200  		if v_1.Op != OpConst32 {
  6201  			break
  6202  		}
  6203  		t := v_1.Type
  6204  		c := v_1.AuxInt
  6205  		if !(x.Op != OpConst32) {
  6206  			break
  6207  		}
  6208  		v.reset(OpOr32)
  6209  		v0 := b.NewValue0(v.Line, OpConst32, t)
  6210  		v0.AuxInt = c
  6211  		v.AddArg(v0)
  6212  		v.AddArg(x)
  6213  		return true
  6214  	}
  6215  	// match: (Or32 x x)
  6216  	// cond:
  6217  	// result: x
  6218  	for {
  6219  		x := v.Args[0]
  6220  		if x != v.Args[1] {
  6221  			break
  6222  		}
  6223  		v.reset(OpCopy)
  6224  		v.Type = x.Type
  6225  		v.AddArg(x)
  6226  		return true
  6227  	}
  6228  	// match: (Or32 (Const32 [0]) x)
  6229  	// cond:
  6230  	// result: x
  6231  	for {
  6232  		v_0 := v.Args[0]
  6233  		if v_0.Op != OpConst32 {
  6234  			break
  6235  		}
  6236  		if v_0.AuxInt != 0 {
  6237  			break
  6238  		}
  6239  		x := v.Args[1]
  6240  		v.reset(OpCopy)
  6241  		v.Type = x.Type
  6242  		v.AddArg(x)
  6243  		return true
  6244  	}
  6245  	// match: (Or32 (Const32 [-1]) _)
  6246  	// cond:
  6247  	// result: (Const32 [-1])
  6248  	for {
  6249  		v_0 := v.Args[0]
  6250  		if v_0.Op != OpConst32 {
  6251  			break
  6252  		}
  6253  		if v_0.AuxInt != -1 {
  6254  			break
  6255  		}
  6256  		v.reset(OpConst32)
  6257  		v.AuxInt = -1
  6258  		return true
  6259  	}
  6260  	// match: (Or32 x (Or32 x y))
  6261  	// cond:
  6262  	// result: (Or32 x y)
  6263  	for {
  6264  		x := v.Args[0]
  6265  		v_1 := v.Args[1]
  6266  		if v_1.Op != OpOr32 {
  6267  			break
  6268  		}
  6269  		if x != v_1.Args[0] {
  6270  			break
  6271  		}
  6272  		y := v_1.Args[1]
  6273  		v.reset(OpOr32)
  6274  		v.AddArg(x)
  6275  		v.AddArg(y)
  6276  		return true
  6277  	}
  6278  	// match: (Or32 x (Or32 y x))
  6279  	// cond:
  6280  	// result: (Or32 x y)
  6281  	for {
  6282  		x := v.Args[0]
  6283  		v_1 := v.Args[1]
  6284  		if v_1.Op != OpOr32 {
  6285  			break
  6286  		}
  6287  		y := v_1.Args[0]
  6288  		if x != v_1.Args[1] {
  6289  			break
  6290  		}
  6291  		v.reset(OpOr32)
  6292  		v.AddArg(x)
  6293  		v.AddArg(y)
  6294  		return true
  6295  	}
  6296  	// match: (Or32 (Or32 x y) x)
  6297  	// cond:
  6298  	// result: (Or32 x y)
  6299  	for {
  6300  		v_0 := v.Args[0]
  6301  		if v_0.Op != OpOr32 {
  6302  			break
  6303  		}
  6304  		x := v_0.Args[0]
  6305  		y := v_0.Args[1]
  6306  		if x != v.Args[1] {
  6307  			break
  6308  		}
  6309  		v.reset(OpOr32)
  6310  		v.AddArg(x)
  6311  		v.AddArg(y)
  6312  		return true
  6313  	}
  6314  	// match: (Or32 (Or32 x y) y)
  6315  	// cond:
  6316  	// result: (Or32 x y)
  6317  	for {
  6318  		v_0 := v.Args[0]
  6319  		if v_0.Op != OpOr32 {
  6320  			break
  6321  		}
  6322  		x := v_0.Args[0]
  6323  		y := v_0.Args[1]
  6324  		if y != v.Args[1] {
  6325  			break
  6326  		}
  6327  		v.reset(OpOr32)
  6328  		v.AddArg(x)
  6329  		v.AddArg(y)
  6330  		return true
  6331  	}
  6332  	return false
  6333  }
  6334  func rewriteValuegeneric_OpOr64(v *Value, config *Config) bool {
  6335  	b := v.Block
  6336  	_ = b
  6337  	// match: (Or64 x (Const64 <t> [c]))
  6338  	// cond: x.Op != OpConst64
  6339  	// result: (Or64 (Const64 <t> [c]) x)
  6340  	for {
  6341  		x := v.Args[0]
  6342  		v_1 := v.Args[1]
  6343  		if v_1.Op != OpConst64 {
  6344  			break
  6345  		}
  6346  		t := v_1.Type
  6347  		c := v_1.AuxInt
  6348  		if !(x.Op != OpConst64) {
  6349  			break
  6350  		}
  6351  		v.reset(OpOr64)
  6352  		v0 := b.NewValue0(v.Line, OpConst64, t)
  6353  		v0.AuxInt = c
  6354  		v.AddArg(v0)
  6355  		v.AddArg(x)
  6356  		return true
  6357  	}
  6358  	// match: (Or64 x x)
  6359  	// cond:
  6360  	// result: x
  6361  	for {
  6362  		x := v.Args[0]
  6363  		if x != v.Args[1] {
  6364  			break
  6365  		}
  6366  		v.reset(OpCopy)
  6367  		v.Type = x.Type
  6368  		v.AddArg(x)
  6369  		return true
  6370  	}
  6371  	// match: (Or64 (Const64 [0]) x)
  6372  	// cond:
  6373  	// result: x
  6374  	for {
  6375  		v_0 := v.Args[0]
  6376  		if v_0.Op != OpConst64 {
  6377  			break
  6378  		}
  6379  		if v_0.AuxInt != 0 {
  6380  			break
  6381  		}
  6382  		x := v.Args[1]
  6383  		v.reset(OpCopy)
  6384  		v.Type = x.Type
  6385  		v.AddArg(x)
  6386  		return true
  6387  	}
  6388  	// match: (Or64 (Const64 [-1]) _)
  6389  	// cond:
  6390  	// result: (Const64 [-1])
  6391  	for {
  6392  		v_0 := v.Args[0]
  6393  		if v_0.Op != OpConst64 {
  6394  			break
  6395  		}
  6396  		if v_0.AuxInt != -1 {
  6397  			break
  6398  		}
  6399  		v.reset(OpConst64)
  6400  		v.AuxInt = -1
  6401  		return true
  6402  	}
  6403  	// match: (Or64 x (Or64 x y))
  6404  	// cond:
  6405  	// result: (Or64 x y)
  6406  	for {
  6407  		x := v.Args[0]
  6408  		v_1 := v.Args[1]
  6409  		if v_1.Op != OpOr64 {
  6410  			break
  6411  		}
  6412  		if x != v_1.Args[0] {
  6413  			break
  6414  		}
  6415  		y := v_1.Args[1]
  6416  		v.reset(OpOr64)
  6417  		v.AddArg(x)
  6418  		v.AddArg(y)
  6419  		return true
  6420  	}
  6421  	// match: (Or64 x (Or64 y x))
  6422  	// cond:
  6423  	// result: (Or64 x y)
  6424  	for {
  6425  		x := v.Args[0]
  6426  		v_1 := v.Args[1]
  6427  		if v_1.Op != OpOr64 {
  6428  			break
  6429  		}
  6430  		y := v_1.Args[0]
  6431  		if x != v_1.Args[1] {
  6432  			break
  6433  		}
  6434  		v.reset(OpOr64)
  6435  		v.AddArg(x)
  6436  		v.AddArg(y)
  6437  		return true
  6438  	}
  6439  	// match: (Or64 (Or64 x y) x)
  6440  	// cond:
  6441  	// result: (Or64 x y)
  6442  	for {
  6443  		v_0 := v.Args[0]
  6444  		if v_0.Op != OpOr64 {
  6445  			break
  6446  		}
  6447  		x := v_0.Args[0]
  6448  		y := v_0.Args[1]
  6449  		if x != v.Args[1] {
  6450  			break
  6451  		}
  6452  		v.reset(OpOr64)
  6453  		v.AddArg(x)
  6454  		v.AddArg(y)
  6455  		return true
  6456  	}
  6457  	// match: (Or64 (Or64 x y) y)
  6458  	// cond:
  6459  	// result: (Or64 x y)
  6460  	for {
  6461  		v_0 := v.Args[0]
  6462  		if v_0.Op != OpOr64 {
  6463  			break
  6464  		}
  6465  		x := v_0.Args[0]
  6466  		y := v_0.Args[1]
  6467  		if y != v.Args[1] {
  6468  			break
  6469  		}
  6470  		v.reset(OpOr64)
  6471  		v.AddArg(x)
  6472  		v.AddArg(y)
  6473  		return true
  6474  	}
  6475  	return false
  6476  }
  6477  func rewriteValuegeneric_OpOr8(v *Value, config *Config) bool {
  6478  	b := v.Block
  6479  	_ = b
  6480  	// match: (Or8  x (Const8  <t> [c]))
  6481  	// cond: x.Op != OpConst8
  6482  	// result: (Or8  (Const8  <t> [c]) x)
  6483  	for {
  6484  		x := v.Args[0]
  6485  		v_1 := v.Args[1]
  6486  		if v_1.Op != OpConst8 {
  6487  			break
  6488  		}
  6489  		t := v_1.Type
  6490  		c := v_1.AuxInt
  6491  		if !(x.Op != OpConst8) {
  6492  			break
  6493  		}
  6494  		v.reset(OpOr8)
  6495  		v0 := b.NewValue0(v.Line, OpConst8, t)
  6496  		v0.AuxInt = c
  6497  		v.AddArg(v0)
  6498  		v.AddArg(x)
  6499  		return true
  6500  	}
  6501  	// match: (Or8  x x)
  6502  	// cond:
  6503  	// result: x
  6504  	for {
  6505  		x := v.Args[0]
  6506  		if x != v.Args[1] {
  6507  			break
  6508  		}
  6509  		v.reset(OpCopy)
  6510  		v.Type = x.Type
  6511  		v.AddArg(x)
  6512  		return true
  6513  	}
  6514  	// match: (Or8  (Const8  [0]) x)
  6515  	// cond:
  6516  	// result: x
  6517  	for {
  6518  		v_0 := v.Args[0]
  6519  		if v_0.Op != OpConst8 {
  6520  			break
  6521  		}
  6522  		if v_0.AuxInt != 0 {
  6523  			break
  6524  		}
  6525  		x := v.Args[1]
  6526  		v.reset(OpCopy)
  6527  		v.Type = x.Type
  6528  		v.AddArg(x)
  6529  		return true
  6530  	}
  6531  	// match: (Or8  (Const8  [-1]) _)
  6532  	// cond:
  6533  	// result: (Const8  [-1])
  6534  	for {
  6535  		v_0 := v.Args[0]
  6536  		if v_0.Op != OpConst8 {
  6537  			break
  6538  		}
  6539  		if v_0.AuxInt != -1 {
  6540  			break
  6541  		}
  6542  		v.reset(OpConst8)
  6543  		v.AuxInt = -1
  6544  		return true
  6545  	}
  6546  	// match: (Or8  x (Or8  x y))
  6547  	// cond:
  6548  	// result: (Or8  x y)
  6549  	for {
  6550  		x := v.Args[0]
  6551  		v_1 := v.Args[1]
  6552  		if v_1.Op != OpOr8 {
  6553  			break
  6554  		}
  6555  		if x != v_1.Args[0] {
  6556  			break
  6557  		}
  6558  		y := v_1.Args[1]
  6559  		v.reset(OpOr8)
  6560  		v.AddArg(x)
  6561  		v.AddArg(y)
  6562  		return true
  6563  	}
  6564  	// match: (Or8  x (Or8  y x))
  6565  	// cond:
  6566  	// result: (Or8  x y)
  6567  	for {
  6568  		x := v.Args[0]
  6569  		v_1 := v.Args[1]
  6570  		if v_1.Op != OpOr8 {
  6571  			break
  6572  		}
  6573  		y := v_1.Args[0]
  6574  		if x != v_1.Args[1] {
  6575  			break
  6576  		}
  6577  		v.reset(OpOr8)
  6578  		v.AddArg(x)
  6579  		v.AddArg(y)
  6580  		return true
  6581  	}
  6582  	// match: (Or8  (Or8  x y) x)
  6583  	// cond:
  6584  	// result: (Or8  x y)
  6585  	for {
  6586  		v_0 := v.Args[0]
  6587  		if v_0.Op != OpOr8 {
  6588  			break
  6589  		}
  6590  		x := v_0.Args[0]
  6591  		y := v_0.Args[1]
  6592  		if x != v.Args[1] {
  6593  			break
  6594  		}
  6595  		v.reset(OpOr8)
  6596  		v.AddArg(x)
  6597  		v.AddArg(y)
  6598  		return true
  6599  	}
  6600  	// match: (Or8  (Or8  x y) y)
  6601  	// cond:
  6602  	// result: (Or8  x y)
  6603  	for {
  6604  		v_0 := v.Args[0]
  6605  		if v_0.Op != OpOr8 {
  6606  			break
  6607  		}
  6608  		x := v_0.Args[0]
  6609  		y := v_0.Args[1]
  6610  		if y != v.Args[1] {
  6611  			break
  6612  		}
  6613  		v.reset(OpOr8)
  6614  		v.AddArg(x)
  6615  		v.AddArg(y)
  6616  		return true
  6617  	}
  6618  	return false
  6619  }
  6620  func rewriteValuegeneric_OpPhi(v *Value, config *Config) bool {
  6621  	b := v.Block
  6622  	_ = b
  6623  	// match: (Phi (Const8  [c]) (Const8  [c]))
  6624  	// cond:
  6625  	// result: (Const8  [c])
  6626  	for {
  6627  		v_0 := v.Args[0]
  6628  		if v_0.Op != OpConst8 {
  6629  			break
  6630  		}
  6631  		c := v_0.AuxInt
  6632  		v_1 := v.Args[1]
  6633  		if v_1.Op != OpConst8 {
  6634  			break
  6635  		}
  6636  		if v_1.AuxInt != c {
  6637  			break
  6638  		}
  6639  		if len(v.Args) != 2 {
  6640  			break
  6641  		}
  6642  		v.reset(OpConst8)
  6643  		v.AuxInt = c
  6644  		return true
  6645  	}
  6646  	// match: (Phi (Const16 [c]) (Const16 [c]))
  6647  	// cond:
  6648  	// result: (Const16 [c])
  6649  	for {
  6650  		v_0 := v.Args[0]
  6651  		if v_0.Op != OpConst16 {
  6652  			break
  6653  		}
  6654  		c := v_0.AuxInt
  6655  		v_1 := v.Args[1]
  6656  		if v_1.Op != OpConst16 {
  6657  			break
  6658  		}
  6659  		if v_1.AuxInt != c {
  6660  			break
  6661  		}
  6662  		if len(v.Args) != 2 {
  6663  			break
  6664  		}
  6665  		v.reset(OpConst16)
  6666  		v.AuxInt = c
  6667  		return true
  6668  	}
  6669  	// match: (Phi (Const32 [c]) (Const32 [c]))
  6670  	// cond:
  6671  	// result: (Const32 [c])
  6672  	for {
  6673  		v_0 := v.Args[0]
  6674  		if v_0.Op != OpConst32 {
  6675  			break
  6676  		}
  6677  		c := v_0.AuxInt
  6678  		v_1 := v.Args[1]
  6679  		if v_1.Op != OpConst32 {
  6680  			break
  6681  		}
  6682  		if v_1.AuxInt != c {
  6683  			break
  6684  		}
  6685  		if len(v.Args) != 2 {
  6686  			break
  6687  		}
  6688  		v.reset(OpConst32)
  6689  		v.AuxInt = c
  6690  		return true
  6691  	}
  6692  	// match: (Phi (Const64 [c]) (Const64 [c]))
  6693  	// cond:
  6694  	// result: (Const64 [c])
  6695  	for {
  6696  		v_0 := v.Args[0]
  6697  		if v_0.Op != OpConst64 {
  6698  			break
  6699  		}
  6700  		c := v_0.AuxInt
  6701  		v_1 := v.Args[1]
  6702  		if v_1.Op != OpConst64 {
  6703  			break
  6704  		}
  6705  		if v_1.AuxInt != c {
  6706  			break
  6707  		}
  6708  		if len(v.Args) != 2 {
  6709  			break
  6710  		}
  6711  		v.reset(OpConst64)
  6712  		v.AuxInt = c
  6713  		return true
  6714  	}
  6715  	return false
  6716  }
  6717  func rewriteValuegeneric_OpPtrIndex(v *Value, config *Config) bool {
  6718  	b := v.Block
  6719  	_ = b
  6720  	// match: (PtrIndex <t> ptr idx)
  6721  	// cond: config.PtrSize == 4
  6722  	// result: (AddPtr ptr (Mul32 <config.fe.TypeInt()> idx (Const32 <config.fe.TypeInt()> [t.ElemType().Size()])))
  6723  	for {
  6724  		t := v.Type
  6725  		ptr := v.Args[0]
  6726  		idx := v.Args[1]
  6727  		if !(config.PtrSize == 4) {
  6728  			break
  6729  		}
  6730  		v.reset(OpAddPtr)
  6731  		v.AddArg(ptr)
  6732  		v0 := b.NewValue0(v.Line, OpMul32, config.fe.TypeInt())
  6733  		v0.AddArg(idx)
  6734  		v1 := b.NewValue0(v.Line, OpConst32, config.fe.TypeInt())
  6735  		v1.AuxInt = t.ElemType().Size()
  6736  		v0.AddArg(v1)
  6737  		v.AddArg(v0)
  6738  		return true
  6739  	}
  6740  	// match: (PtrIndex <t> ptr idx)
  6741  	// cond: config.PtrSize == 8
  6742  	// result: (AddPtr ptr (Mul64 <config.fe.TypeInt()> idx (Const64 <config.fe.TypeInt()> [t.ElemType().Size()])))
  6743  	for {
  6744  		t := v.Type
  6745  		ptr := v.Args[0]
  6746  		idx := v.Args[1]
  6747  		if !(config.PtrSize == 8) {
  6748  			break
  6749  		}
  6750  		v.reset(OpAddPtr)
  6751  		v.AddArg(ptr)
  6752  		v0 := b.NewValue0(v.Line, OpMul64, config.fe.TypeInt())
  6753  		v0.AddArg(idx)
  6754  		v1 := b.NewValue0(v.Line, OpConst64, config.fe.TypeInt())
  6755  		v1.AuxInt = t.ElemType().Size()
  6756  		v0.AddArg(v1)
  6757  		v.AddArg(v0)
  6758  		return true
  6759  	}
  6760  	return false
  6761  }
  6762  func rewriteValuegeneric_OpRsh16Ux16(v *Value, config *Config) bool {
  6763  	b := v.Block
  6764  	_ = b
  6765  	// match: (Rsh16Ux16 <t> x (Const16 [c]))
  6766  	// cond:
  6767  	// result: (Rsh16Ux64 x (Const64 <t> [int64(uint16(c))]))
  6768  	for {
  6769  		t := v.Type
  6770  		x := v.Args[0]
  6771  		v_1 := v.Args[1]
  6772  		if v_1.Op != OpConst16 {
  6773  			break
  6774  		}
  6775  		c := v_1.AuxInt
  6776  		v.reset(OpRsh16Ux64)
  6777  		v.AddArg(x)
  6778  		v0 := b.NewValue0(v.Line, OpConst64, t)
  6779  		v0.AuxInt = int64(uint16(c))
  6780  		v.AddArg(v0)
  6781  		return true
  6782  	}
  6783  	// match: (Rsh16Ux16 (Const16 [0]) _)
  6784  	// cond:
  6785  	// result: (Const16 [0])
  6786  	for {
  6787  		v_0 := v.Args[0]
  6788  		if v_0.Op != OpConst16 {
  6789  			break
  6790  		}
  6791  		if v_0.AuxInt != 0 {
  6792  			break
  6793  		}
  6794  		v.reset(OpConst16)
  6795  		v.AuxInt = 0
  6796  		return true
  6797  	}
  6798  	return false
  6799  }
  6800  func rewriteValuegeneric_OpRsh16Ux32(v *Value, config *Config) bool {
  6801  	b := v.Block
  6802  	_ = b
  6803  	// match: (Rsh16Ux32 <t> x (Const32 [c]))
  6804  	// cond:
  6805  	// result: (Rsh16Ux64 x (Const64 <t> [int64(uint32(c))]))
  6806  	for {
  6807  		t := v.Type
  6808  		x := v.Args[0]
  6809  		v_1 := v.Args[1]
  6810  		if v_1.Op != OpConst32 {
  6811  			break
  6812  		}
  6813  		c := v_1.AuxInt
  6814  		v.reset(OpRsh16Ux64)
  6815  		v.AddArg(x)
  6816  		v0 := b.NewValue0(v.Line, OpConst64, t)
  6817  		v0.AuxInt = int64(uint32(c))
  6818  		v.AddArg(v0)
  6819  		return true
  6820  	}
  6821  	// match: (Rsh16Ux32 (Const16 [0]) _)
  6822  	// cond:
  6823  	// result: (Const16 [0])
  6824  	for {
  6825  		v_0 := v.Args[0]
  6826  		if v_0.Op != OpConst16 {
  6827  			break
  6828  		}
  6829  		if v_0.AuxInt != 0 {
  6830  			break
  6831  		}
  6832  		v.reset(OpConst16)
  6833  		v.AuxInt = 0
  6834  		return true
  6835  	}
  6836  	return false
  6837  }
  6838  func rewriteValuegeneric_OpRsh16Ux64(v *Value, config *Config) bool {
  6839  	b := v.Block
  6840  	_ = b
  6841  	// match: (Rsh16Ux64 (Const16 [c]) (Const64 [d]))
  6842  	// cond:
  6843  	// result: (Const16 [int64(int16(uint16(c) >> uint64(d)))])
  6844  	for {
  6845  		v_0 := v.Args[0]
  6846  		if v_0.Op != OpConst16 {
  6847  			break
  6848  		}
  6849  		c := v_0.AuxInt
  6850  		v_1 := v.Args[1]
  6851  		if v_1.Op != OpConst64 {
  6852  			break
  6853  		}
  6854  		d := v_1.AuxInt
  6855  		v.reset(OpConst16)
  6856  		v.AuxInt = int64(int16(uint16(c) >> uint64(d)))
  6857  		return true
  6858  	}
  6859  	// match: (Rsh16Ux64 x (Const64 [0]))
  6860  	// cond:
  6861  	// result: x
  6862  	for {
  6863  		x := v.Args[0]
  6864  		v_1 := v.Args[1]
  6865  		if v_1.Op != OpConst64 {
  6866  			break
  6867  		}
  6868  		if v_1.AuxInt != 0 {
  6869  			break
  6870  		}
  6871  		v.reset(OpCopy)
  6872  		v.Type = x.Type
  6873  		v.AddArg(x)
  6874  		return true
  6875  	}
  6876  	// match: (Rsh16Ux64 (Const16 [0]) _)
  6877  	// cond:
  6878  	// result: (Const16 [0])
  6879  	for {
  6880  		v_0 := v.Args[0]
  6881  		if v_0.Op != OpConst16 {
  6882  			break
  6883  		}
  6884  		if v_0.AuxInt != 0 {
  6885  			break
  6886  		}
  6887  		v.reset(OpConst16)
  6888  		v.AuxInt = 0
  6889  		return true
  6890  	}
  6891  	// match: (Rsh16Ux64 _ (Const64 [c]))
  6892  	// cond: uint64(c) >= 16
  6893  	// result: (Const16 [0])
  6894  	for {
  6895  		v_1 := v.Args[1]
  6896  		if v_1.Op != OpConst64 {
  6897  			break
  6898  		}
  6899  		c := v_1.AuxInt
  6900  		if !(uint64(c) >= 16) {
  6901  			break
  6902  		}
  6903  		v.reset(OpConst16)
  6904  		v.AuxInt = 0
  6905  		return true
  6906  	}
  6907  	// match: (Rsh16Ux64 <t> (Rsh16Ux64 x (Const64 [c])) (Const64 [d]))
  6908  	// cond: !uaddOvf(c,d)
  6909  	// result: (Rsh16Ux64 x (Const64 <t> [c+d]))
  6910  	for {
  6911  		t := v.Type
  6912  		v_0 := v.Args[0]
  6913  		if v_0.Op != OpRsh16Ux64 {
  6914  			break
  6915  		}
  6916  		x := v_0.Args[0]
  6917  		v_0_1 := v_0.Args[1]
  6918  		if v_0_1.Op != OpConst64 {
  6919  			break
  6920  		}
  6921  		c := v_0_1.AuxInt
  6922  		v_1 := v.Args[1]
  6923  		if v_1.Op != OpConst64 {
  6924  			break
  6925  		}
  6926  		d := v_1.AuxInt
  6927  		if !(!uaddOvf(c, d)) {
  6928  			break
  6929  		}
  6930  		v.reset(OpRsh16Ux64)
  6931  		v.AddArg(x)
  6932  		v0 := b.NewValue0(v.Line, OpConst64, t)
  6933  		v0.AuxInt = c + d
  6934  		v.AddArg(v0)
  6935  		return true
  6936  	}
  6937  	// match: (Rsh16Ux64 (Lsh16x64 (Rsh16Ux64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  6938  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  6939  	// result: (Rsh16Ux64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  6940  	for {
  6941  		v_0 := v.Args[0]
  6942  		if v_0.Op != OpLsh16x64 {
  6943  			break
  6944  		}
  6945  		v_0_0 := v_0.Args[0]
  6946  		if v_0_0.Op != OpRsh16Ux64 {
  6947  			break
  6948  		}
  6949  		x := v_0_0.Args[0]
  6950  		v_0_0_1 := v_0_0.Args[1]
  6951  		if v_0_0_1.Op != OpConst64 {
  6952  			break
  6953  		}
  6954  		c1 := v_0_0_1.AuxInt
  6955  		v_0_1 := v_0.Args[1]
  6956  		if v_0_1.Op != OpConst64 {
  6957  			break
  6958  		}
  6959  		c2 := v_0_1.AuxInt
  6960  		v_1 := v.Args[1]
  6961  		if v_1.Op != OpConst64 {
  6962  			break
  6963  		}
  6964  		c3 := v_1.AuxInt
  6965  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  6966  			break
  6967  		}
  6968  		v.reset(OpRsh16Ux64)
  6969  		v.AddArg(x)
  6970  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  6971  		v0.AuxInt = c1 - c2 + c3
  6972  		v.AddArg(v0)
  6973  		return true
  6974  	}
  6975  	return false
  6976  }
  6977  func rewriteValuegeneric_OpRsh16Ux8(v *Value, config *Config) bool {
  6978  	b := v.Block
  6979  	_ = b
  6980  	// match: (Rsh16Ux8  <t> x (Const8  [c]))
  6981  	// cond:
  6982  	// result: (Rsh16Ux64 x (Const64 <t> [int64(uint8(c))]))
  6983  	for {
  6984  		t := v.Type
  6985  		x := v.Args[0]
  6986  		v_1 := v.Args[1]
  6987  		if v_1.Op != OpConst8 {
  6988  			break
  6989  		}
  6990  		c := v_1.AuxInt
  6991  		v.reset(OpRsh16Ux64)
  6992  		v.AddArg(x)
  6993  		v0 := b.NewValue0(v.Line, OpConst64, t)
  6994  		v0.AuxInt = int64(uint8(c))
  6995  		v.AddArg(v0)
  6996  		return true
  6997  	}
  6998  	// match: (Rsh16Ux8 (Const16 [0]) _)
  6999  	// cond:
  7000  	// result: (Const16 [0])
  7001  	for {
  7002  		v_0 := v.Args[0]
  7003  		if v_0.Op != OpConst16 {
  7004  			break
  7005  		}
  7006  		if v_0.AuxInt != 0 {
  7007  			break
  7008  		}
  7009  		v.reset(OpConst16)
  7010  		v.AuxInt = 0
  7011  		return true
  7012  	}
  7013  	return false
  7014  }
  7015  func rewriteValuegeneric_OpRsh16x16(v *Value, config *Config) bool {
  7016  	b := v.Block
  7017  	_ = b
  7018  	// match: (Rsh16x16  <t> x (Const16 [c]))
  7019  	// cond:
  7020  	// result: (Rsh16x64  x (Const64 <t> [int64(uint16(c))]))
  7021  	for {
  7022  		t := v.Type
  7023  		x := v.Args[0]
  7024  		v_1 := v.Args[1]
  7025  		if v_1.Op != OpConst16 {
  7026  			break
  7027  		}
  7028  		c := v_1.AuxInt
  7029  		v.reset(OpRsh16x64)
  7030  		v.AddArg(x)
  7031  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7032  		v0.AuxInt = int64(uint16(c))
  7033  		v.AddArg(v0)
  7034  		return true
  7035  	}
  7036  	// match: (Rsh16x16  (Const16 [0]) _)
  7037  	// cond:
  7038  	// result: (Const16 [0])
  7039  	for {
  7040  		v_0 := v.Args[0]
  7041  		if v_0.Op != OpConst16 {
  7042  			break
  7043  		}
  7044  		if v_0.AuxInt != 0 {
  7045  			break
  7046  		}
  7047  		v.reset(OpConst16)
  7048  		v.AuxInt = 0
  7049  		return true
  7050  	}
  7051  	return false
  7052  }
  7053  func rewriteValuegeneric_OpRsh16x32(v *Value, config *Config) bool {
  7054  	b := v.Block
  7055  	_ = b
  7056  	// match: (Rsh16x32  <t> x (Const32 [c]))
  7057  	// cond:
  7058  	// result: (Rsh16x64  x (Const64 <t> [int64(uint32(c))]))
  7059  	for {
  7060  		t := v.Type
  7061  		x := v.Args[0]
  7062  		v_1 := v.Args[1]
  7063  		if v_1.Op != OpConst32 {
  7064  			break
  7065  		}
  7066  		c := v_1.AuxInt
  7067  		v.reset(OpRsh16x64)
  7068  		v.AddArg(x)
  7069  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7070  		v0.AuxInt = int64(uint32(c))
  7071  		v.AddArg(v0)
  7072  		return true
  7073  	}
  7074  	// match: (Rsh16x32  (Const16 [0]) _)
  7075  	// cond:
  7076  	// result: (Const16 [0])
  7077  	for {
  7078  		v_0 := v.Args[0]
  7079  		if v_0.Op != OpConst16 {
  7080  			break
  7081  		}
  7082  		if v_0.AuxInt != 0 {
  7083  			break
  7084  		}
  7085  		v.reset(OpConst16)
  7086  		v.AuxInt = 0
  7087  		return true
  7088  	}
  7089  	return false
  7090  }
  7091  func rewriteValuegeneric_OpRsh16x64(v *Value, config *Config) bool {
  7092  	b := v.Block
  7093  	_ = b
  7094  	// match: (Rsh16x64  (Const16 [c]) (Const64 [d]))
  7095  	// cond:
  7096  	// result: (Const16 [int64(int16(c) >> uint64(d))])
  7097  	for {
  7098  		v_0 := v.Args[0]
  7099  		if v_0.Op != OpConst16 {
  7100  			break
  7101  		}
  7102  		c := v_0.AuxInt
  7103  		v_1 := v.Args[1]
  7104  		if v_1.Op != OpConst64 {
  7105  			break
  7106  		}
  7107  		d := v_1.AuxInt
  7108  		v.reset(OpConst16)
  7109  		v.AuxInt = int64(int16(c) >> uint64(d))
  7110  		return true
  7111  	}
  7112  	// match: (Rsh16x64  x (Const64 [0]))
  7113  	// cond:
  7114  	// result: x
  7115  	for {
  7116  		x := v.Args[0]
  7117  		v_1 := v.Args[1]
  7118  		if v_1.Op != OpConst64 {
  7119  			break
  7120  		}
  7121  		if v_1.AuxInt != 0 {
  7122  			break
  7123  		}
  7124  		v.reset(OpCopy)
  7125  		v.Type = x.Type
  7126  		v.AddArg(x)
  7127  		return true
  7128  	}
  7129  	// match: (Rsh16x64  (Const16 [0]) _)
  7130  	// cond:
  7131  	// result: (Const16 [0])
  7132  	for {
  7133  		v_0 := v.Args[0]
  7134  		if v_0.Op != OpConst16 {
  7135  			break
  7136  		}
  7137  		if v_0.AuxInt != 0 {
  7138  			break
  7139  		}
  7140  		v.reset(OpConst16)
  7141  		v.AuxInt = 0
  7142  		return true
  7143  	}
  7144  	// match: (Rsh16x64 <t> (Rsh16x64 x (Const64 [c])) (Const64 [d]))
  7145  	// cond: !uaddOvf(c,d)
  7146  	// result: (Rsh16x64 x (Const64 <t> [c+d]))
  7147  	for {
  7148  		t := v.Type
  7149  		v_0 := v.Args[0]
  7150  		if v_0.Op != OpRsh16x64 {
  7151  			break
  7152  		}
  7153  		x := v_0.Args[0]
  7154  		v_0_1 := v_0.Args[1]
  7155  		if v_0_1.Op != OpConst64 {
  7156  			break
  7157  		}
  7158  		c := v_0_1.AuxInt
  7159  		v_1 := v.Args[1]
  7160  		if v_1.Op != OpConst64 {
  7161  			break
  7162  		}
  7163  		d := v_1.AuxInt
  7164  		if !(!uaddOvf(c, d)) {
  7165  			break
  7166  		}
  7167  		v.reset(OpRsh16x64)
  7168  		v.AddArg(x)
  7169  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7170  		v0.AuxInt = c + d
  7171  		v.AddArg(v0)
  7172  		return true
  7173  	}
  7174  	return false
  7175  }
  7176  func rewriteValuegeneric_OpRsh16x8(v *Value, config *Config) bool {
  7177  	b := v.Block
  7178  	_ = b
  7179  	// match: (Rsh16x8   <t> x (Const8  [c]))
  7180  	// cond:
  7181  	// result: (Rsh16x64  x (Const64 <t> [int64(uint8(c))]))
  7182  	for {
  7183  		t := v.Type
  7184  		x := v.Args[0]
  7185  		v_1 := v.Args[1]
  7186  		if v_1.Op != OpConst8 {
  7187  			break
  7188  		}
  7189  		c := v_1.AuxInt
  7190  		v.reset(OpRsh16x64)
  7191  		v.AddArg(x)
  7192  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7193  		v0.AuxInt = int64(uint8(c))
  7194  		v.AddArg(v0)
  7195  		return true
  7196  	}
  7197  	// match: (Rsh16x8  (Const16 [0]) _)
  7198  	// cond:
  7199  	// result: (Const16 [0])
  7200  	for {
  7201  		v_0 := v.Args[0]
  7202  		if v_0.Op != OpConst16 {
  7203  			break
  7204  		}
  7205  		if v_0.AuxInt != 0 {
  7206  			break
  7207  		}
  7208  		v.reset(OpConst16)
  7209  		v.AuxInt = 0
  7210  		return true
  7211  	}
  7212  	return false
  7213  }
  7214  func rewriteValuegeneric_OpRsh32Ux16(v *Value, config *Config) bool {
  7215  	b := v.Block
  7216  	_ = b
  7217  	// match: (Rsh32Ux16 <t> x (Const16 [c]))
  7218  	// cond:
  7219  	// result: (Rsh32Ux64 x (Const64 <t> [int64(uint16(c))]))
  7220  	for {
  7221  		t := v.Type
  7222  		x := v.Args[0]
  7223  		v_1 := v.Args[1]
  7224  		if v_1.Op != OpConst16 {
  7225  			break
  7226  		}
  7227  		c := v_1.AuxInt
  7228  		v.reset(OpRsh32Ux64)
  7229  		v.AddArg(x)
  7230  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7231  		v0.AuxInt = int64(uint16(c))
  7232  		v.AddArg(v0)
  7233  		return true
  7234  	}
  7235  	// match: (Rsh32Ux16 (Const32 [0]) _)
  7236  	// cond:
  7237  	// result: (Const32 [0])
  7238  	for {
  7239  		v_0 := v.Args[0]
  7240  		if v_0.Op != OpConst32 {
  7241  			break
  7242  		}
  7243  		if v_0.AuxInt != 0 {
  7244  			break
  7245  		}
  7246  		v.reset(OpConst32)
  7247  		v.AuxInt = 0
  7248  		return true
  7249  	}
  7250  	return false
  7251  }
  7252  func rewriteValuegeneric_OpRsh32Ux32(v *Value, config *Config) bool {
  7253  	b := v.Block
  7254  	_ = b
  7255  	// match: (Rsh32Ux32 <t> x (Const32 [c]))
  7256  	// cond:
  7257  	// result: (Rsh32Ux64 x (Const64 <t> [int64(uint32(c))]))
  7258  	for {
  7259  		t := v.Type
  7260  		x := v.Args[0]
  7261  		v_1 := v.Args[1]
  7262  		if v_1.Op != OpConst32 {
  7263  			break
  7264  		}
  7265  		c := v_1.AuxInt
  7266  		v.reset(OpRsh32Ux64)
  7267  		v.AddArg(x)
  7268  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7269  		v0.AuxInt = int64(uint32(c))
  7270  		v.AddArg(v0)
  7271  		return true
  7272  	}
  7273  	// match: (Rsh32Ux32 (Const32 [0]) _)
  7274  	// cond:
  7275  	// result: (Const32 [0])
  7276  	for {
  7277  		v_0 := v.Args[0]
  7278  		if v_0.Op != OpConst32 {
  7279  			break
  7280  		}
  7281  		if v_0.AuxInt != 0 {
  7282  			break
  7283  		}
  7284  		v.reset(OpConst32)
  7285  		v.AuxInt = 0
  7286  		return true
  7287  	}
  7288  	return false
  7289  }
  7290  func rewriteValuegeneric_OpRsh32Ux64(v *Value, config *Config) bool {
  7291  	b := v.Block
  7292  	_ = b
  7293  	// match: (Rsh32Ux64 (Const32 [c]) (Const64 [d]))
  7294  	// cond:
  7295  	// result: (Const32 [int64(int32(uint32(c) >> uint64(d)))])
  7296  	for {
  7297  		v_0 := v.Args[0]
  7298  		if v_0.Op != OpConst32 {
  7299  			break
  7300  		}
  7301  		c := v_0.AuxInt
  7302  		v_1 := v.Args[1]
  7303  		if v_1.Op != OpConst64 {
  7304  			break
  7305  		}
  7306  		d := v_1.AuxInt
  7307  		v.reset(OpConst32)
  7308  		v.AuxInt = int64(int32(uint32(c) >> uint64(d)))
  7309  		return true
  7310  	}
  7311  	// match: (Rsh32Ux64 x (Const64 [0]))
  7312  	// cond:
  7313  	// result: x
  7314  	for {
  7315  		x := v.Args[0]
  7316  		v_1 := v.Args[1]
  7317  		if v_1.Op != OpConst64 {
  7318  			break
  7319  		}
  7320  		if v_1.AuxInt != 0 {
  7321  			break
  7322  		}
  7323  		v.reset(OpCopy)
  7324  		v.Type = x.Type
  7325  		v.AddArg(x)
  7326  		return true
  7327  	}
  7328  	// match: (Rsh32Ux64 (Const32 [0]) _)
  7329  	// cond:
  7330  	// result: (Const32 [0])
  7331  	for {
  7332  		v_0 := v.Args[0]
  7333  		if v_0.Op != OpConst32 {
  7334  			break
  7335  		}
  7336  		if v_0.AuxInt != 0 {
  7337  			break
  7338  		}
  7339  		v.reset(OpConst32)
  7340  		v.AuxInt = 0
  7341  		return true
  7342  	}
  7343  	// match: (Rsh32Ux64 _ (Const64 [c]))
  7344  	// cond: uint64(c) >= 32
  7345  	// result: (Const32 [0])
  7346  	for {
  7347  		v_1 := v.Args[1]
  7348  		if v_1.Op != OpConst64 {
  7349  			break
  7350  		}
  7351  		c := v_1.AuxInt
  7352  		if !(uint64(c) >= 32) {
  7353  			break
  7354  		}
  7355  		v.reset(OpConst32)
  7356  		v.AuxInt = 0
  7357  		return true
  7358  	}
  7359  	// match: (Rsh32Ux64 <t> (Rsh32Ux64 x (Const64 [c])) (Const64 [d]))
  7360  	// cond: !uaddOvf(c,d)
  7361  	// result: (Rsh32Ux64 x (Const64 <t> [c+d]))
  7362  	for {
  7363  		t := v.Type
  7364  		v_0 := v.Args[0]
  7365  		if v_0.Op != OpRsh32Ux64 {
  7366  			break
  7367  		}
  7368  		x := v_0.Args[0]
  7369  		v_0_1 := v_0.Args[1]
  7370  		if v_0_1.Op != OpConst64 {
  7371  			break
  7372  		}
  7373  		c := v_0_1.AuxInt
  7374  		v_1 := v.Args[1]
  7375  		if v_1.Op != OpConst64 {
  7376  			break
  7377  		}
  7378  		d := v_1.AuxInt
  7379  		if !(!uaddOvf(c, d)) {
  7380  			break
  7381  		}
  7382  		v.reset(OpRsh32Ux64)
  7383  		v.AddArg(x)
  7384  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7385  		v0.AuxInt = c + d
  7386  		v.AddArg(v0)
  7387  		return true
  7388  	}
  7389  	// match: (Rsh32Ux64 (Lsh32x64 (Rsh32Ux64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  7390  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  7391  	// result: (Rsh32Ux64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  7392  	for {
  7393  		v_0 := v.Args[0]
  7394  		if v_0.Op != OpLsh32x64 {
  7395  			break
  7396  		}
  7397  		v_0_0 := v_0.Args[0]
  7398  		if v_0_0.Op != OpRsh32Ux64 {
  7399  			break
  7400  		}
  7401  		x := v_0_0.Args[0]
  7402  		v_0_0_1 := v_0_0.Args[1]
  7403  		if v_0_0_1.Op != OpConst64 {
  7404  			break
  7405  		}
  7406  		c1 := v_0_0_1.AuxInt
  7407  		v_0_1 := v_0.Args[1]
  7408  		if v_0_1.Op != OpConst64 {
  7409  			break
  7410  		}
  7411  		c2 := v_0_1.AuxInt
  7412  		v_1 := v.Args[1]
  7413  		if v_1.Op != OpConst64 {
  7414  			break
  7415  		}
  7416  		c3 := v_1.AuxInt
  7417  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  7418  			break
  7419  		}
  7420  		v.reset(OpRsh32Ux64)
  7421  		v.AddArg(x)
  7422  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  7423  		v0.AuxInt = c1 - c2 + c3
  7424  		v.AddArg(v0)
  7425  		return true
  7426  	}
  7427  	return false
  7428  }
  7429  func rewriteValuegeneric_OpRsh32Ux8(v *Value, config *Config) bool {
  7430  	b := v.Block
  7431  	_ = b
  7432  	// match: (Rsh32Ux8  <t> x (Const8  [c]))
  7433  	// cond:
  7434  	// result: (Rsh32Ux64 x (Const64 <t> [int64(uint8(c))]))
  7435  	for {
  7436  		t := v.Type
  7437  		x := v.Args[0]
  7438  		v_1 := v.Args[1]
  7439  		if v_1.Op != OpConst8 {
  7440  			break
  7441  		}
  7442  		c := v_1.AuxInt
  7443  		v.reset(OpRsh32Ux64)
  7444  		v.AddArg(x)
  7445  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7446  		v0.AuxInt = int64(uint8(c))
  7447  		v.AddArg(v0)
  7448  		return true
  7449  	}
  7450  	// match: (Rsh32Ux8 (Const32 [0]) _)
  7451  	// cond:
  7452  	// result: (Const32 [0])
  7453  	for {
  7454  		v_0 := v.Args[0]
  7455  		if v_0.Op != OpConst32 {
  7456  			break
  7457  		}
  7458  		if v_0.AuxInt != 0 {
  7459  			break
  7460  		}
  7461  		v.reset(OpConst32)
  7462  		v.AuxInt = 0
  7463  		return true
  7464  	}
  7465  	return false
  7466  }
  7467  func rewriteValuegeneric_OpRsh32x16(v *Value, config *Config) bool {
  7468  	b := v.Block
  7469  	_ = b
  7470  	// match: (Rsh32x16  <t> x (Const16 [c]))
  7471  	// cond:
  7472  	// result: (Rsh32x64  x (Const64 <t> [int64(uint16(c))]))
  7473  	for {
  7474  		t := v.Type
  7475  		x := v.Args[0]
  7476  		v_1 := v.Args[1]
  7477  		if v_1.Op != OpConst16 {
  7478  			break
  7479  		}
  7480  		c := v_1.AuxInt
  7481  		v.reset(OpRsh32x64)
  7482  		v.AddArg(x)
  7483  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7484  		v0.AuxInt = int64(uint16(c))
  7485  		v.AddArg(v0)
  7486  		return true
  7487  	}
  7488  	// match: (Rsh32x16  (Const32 [0]) _)
  7489  	// cond:
  7490  	// result: (Const32 [0])
  7491  	for {
  7492  		v_0 := v.Args[0]
  7493  		if v_0.Op != OpConst32 {
  7494  			break
  7495  		}
  7496  		if v_0.AuxInt != 0 {
  7497  			break
  7498  		}
  7499  		v.reset(OpConst32)
  7500  		v.AuxInt = 0
  7501  		return true
  7502  	}
  7503  	return false
  7504  }
  7505  func rewriteValuegeneric_OpRsh32x32(v *Value, config *Config) bool {
  7506  	b := v.Block
  7507  	_ = b
  7508  	// match: (Rsh32x32  <t> x (Const32 [c]))
  7509  	// cond:
  7510  	// result: (Rsh32x64  x (Const64 <t> [int64(uint32(c))]))
  7511  	for {
  7512  		t := v.Type
  7513  		x := v.Args[0]
  7514  		v_1 := v.Args[1]
  7515  		if v_1.Op != OpConst32 {
  7516  			break
  7517  		}
  7518  		c := v_1.AuxInt
  7519  		v.reset(OpRsh32x64)
  7520  		v.AddArg(x)
  7521  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7522  		v0.AuxInt = int64(uint32(c))
  7523  		v.AddArg(v0)
  7524  		return true
  7525  	}
  7526  	// match: (Rsh32x32  (Const32 [0]) _)
  7527  	// cond:
  7528  	// result: (Const32 [0])
  7529  	for {
  7530  		v_0 := v.Args[0]
  7531  		if v_0.Op != OpConst32 {
  7532  			break
  7533  		}
  7534  		if v_0.AuxInt != 0 {
  7535  			break
  7536  		}
  7537  		v.reset(OpConst32)
  7538  		v.AuxInt = 0
  7539  		return true
  7540  	}
  7541  	return false
  7542  }
  7543  func rewriteValuegeneric_OpRsh32x64(v *Value, config *Config) bool {
  7544  	b := v.Block
  7545  	_ = b
  7546  	// match: (Rsh32x64  (Const32 [c]) (Const64 [d]))
  7547  	// cond:
  7548  	// result: (Const32 [int64(int32(c) >> uint64(d))])
  7549  	for {
  7550  		v_0 := v.Args[0]
  7551  		if v_0.Op != OpConst32 {
  7552  			break
  7553  		}
  7554  		c := v_0.AuxInt
  7555  		v_1 := v.Args[1]
  7556  		if v_1.Op != OpConst64 {
  7557  			break
  7558  		}
  7559  		d := v_1.AuxInt
  7560  		v.reset(OpConst32)
  7561  		v.AuxInt = int64(int32(c) >> uint64(d))
  7562  		return true
  7563  	}
  7564  	// match: (Rsh32x64  x (Const64 [0]))
  7565  	// cond:
  7566  	// result: x
  7567  	for {
  7568  		x := v.Args[0]
  7569  		v_1 := v.Args[1]
  7570  		if v_1.Op != OpConst64 {
  7571  			break
  7572  		}
  7573  		if v_1.AuxInt != 0 {
  7574  			break
  7575  		}
  7576  		v.reset(OpCopy)
  7577  		v.Type = x.Type
  7578  		v.AddArg(x)
  7579  		return true
  7580  	}
  7581  	// match: (Rsh32x64  (Const32 [0]) _)
  7582  	// cond:
  7583  	// result: (Const32 [0])
  7584  	for {
  7585  		v_0 := v.Args[0]
  7586  		if v_0.Op != OpConst32 {
  7587  			break
  7588  		}
  7589  		if v_0.AuxInt != 0 {
  7590  			break
  7591  		}
  7592  		v.reset(OpConst32)
  7593  		v.AuxInt = 0
  7594  		return true
  7595  	}
  7596  	// match: (Rsh32x64 <t> (Rsh32x64 x (Const64 [c])) (Const64 [d]))
  7597  	// cond: !uaddOvf(c,d)
  7598  	// result: (Rsh32x64 x (Const64 <t> [c+d]))
  7599  	for {
  7600  		t := v.Type
  7601  		v_0 := v.Args[0]
  7602  		if v_0.Op != OpRsh32x64 {
  7603  			break
  7604  		}
  7605  		x := v_0.Args[0]
  7606  		v_0_1 := v_0.Args[1]
  7607  		if v_0_1.Op != OpConst64 {
  7608  			break
  7609  		}
  7610  		c := v_0_1.AuxInt
  7611  		v_1 := v.Args[1]
  7612  		if v_1.Op != OpConst64 {
  7613  			break
  7614  		}
  7615  		d := v_1.AuxInt
  7616  		if !(!uaddOvf(c, d)) {
  7617  			break
  7618  		}
  7619  		v.reset(OpRsh32x64)
  7620  		v.AddArg(x)
  7621  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7622  		v0.AuxInt = c + d
  7623  		v.AddArg(v0)
  7624  		return true
  7625  	}
  7626  	return false
  7627  }
  7628  func rewriteValuegeneric_OpRsh32x8(v *Value, config *Config) bool {
  7629  	b := v.Block
  7630  	_ = b
  7631  	// match: (Rsh32x8   <t> x (Const8  [c]))
  7632  	// cond:
  7633  	// result: (Rsh32x64  x (Const64 <t> [int64(uint8(c))]))
  7634  	for {
  7635  		t := v.Type
  7636  		x := v.Args[0]
  7637  		v_1 := v.Args[1]
  7638  		if v_1.Op != OpConst8 {
  7639  			break
  7640  		}
  7641  		c := v_1.AuxInt
  7642  		v.reset(OpRsh32x64)
  7643  		v.AddArg(x)
  7644  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7645  		v0.AuxInt = int64(uint8(c))
  7646  		v.AddArg(v0)
  7647  		return true
  7648  	}
  7649  	// match: (Rsh32x8  (Const32 [0]) _)
  7650  	// cond:
  7651  	// result: (Const32 [0])
  7652  	for {
  7653  		v_0 := v.Args[0]
  7654  		if v_0.Op != OpConst32 {
  7655  			break
  7656  		}
  7657  		if v_0.AuxInt != 0 {
  7658  			break
  7659  		}
  7660  		v.reset(OpConst32)
  7661  		v.AuxInt = 0
  7662  		return true
  7663  	}
  7664  	return false
  7665  }
  7666  func rewriteValuegeneric_OpRsh64Ux16(v *Value, config *Config) bool {
  7667  	b := v.Block
  7668  	_ = b
  7669  	// match: (Rsh64Ux16 <t> x (Const16 [c]))
  7670  	// cond:
  7671  	// result: (Rsh64Ux64 x (Const64 <t> [int64(uint16(c))]))
  7672  	for {
  7673  		t := v.Type
  7674  		x := v.Args[0]
  7675  		v_1 := v.Args[1]
  7676  		if v_1.Op != OpConst16 {
  7677  			break
  7678  		}
  7679  		c := v_1.AuxInt
  7680  		v.reset(OpRsh64Ux64)
  7681  		v.AddArg(x)
  7682  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7683  		v0.AuxInt = int64(uint16(c))
  7684  		v.AddArg(v0)
  7685  		return true
  7686  	}
  7687  	// match: (Rsh64Ux16 (Const64 [0]) _)
  7688  	// cond:
  7689  	// result: (Const64 [0])
  7690  	for {
  7691  		v_0 := v.Args[0]
  7692  		if v_0.Op != OpConst64 {
  7693  			break
  7694  		}
  7695  		if v_0.AuxInt != 0 {
  7696  			break
  7697  		}
  7698  		v.reset(OpConst64)
  7699  		v.AuxInt = 0
  7700  		return true
  7701  	}
  7702  	return false
  7703  }
  7704  func rewriteValuegeneric_OpRsh64Ux32(v *Value, config *Config) bool {
  7705  	b := v.Block
  7706  	_ = b
  7707  	// match: (Rsh64Ux32 <t> x (Const32 [c]))
  7708  	// cond:
  7709  	// result: (Rsh64Ux64 x (Const64 <t> [int64(uint32(c))]))
  7710  	for {
  7711  		t := v.Type
  7712  		x := v.Args[0]
  7713  		v_1 := v.Args[1]
  7714  		if v_1.Op != OpConst32 {
  7715  			break
  7716  		}
  7717  		c := v_1.AuxInt
  7718  		v.reset(OpRsh64Ux64)
  7719  		v.AddArg(x)
  7720  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7721  		v0.AuxInt = int64(uint32(c))
  7722  		v.AddArg(v0)
  7723  		return true
  7724  	}
  7725  	// match: (Rsh64Ux32 (Const64 [0]) _)
  7726  	// cond:
  7727  	// result: (Const64 [0])
  7728  	for {
  7729  		v_0 := v.Args[0]
  7730  		if v_0.Op != OpConst64 {
  7731  			break
  7732  		}
  7733  		if v_0.AuxInt != 0 {
  7734  			break
  7735  		}
  7736  		v.reset(OpConst64)
  7737  		v.AuxInt = 0
  7738  		return true
  7739  	}
  7740  	return false
  7741  }
  7742  func rewriteValuegeneric_OpRsh64Ux64(v *Value, config *Config) bool {
  7743  	b := v.Block
  7744  	_ = b
  7745  	// match: (Rsh64Ux64 (Const64 [c]) (Const64 [d]))
  7746  	// cond:
  7747  	// result: (Const64 [int64(uint64(c) >> uint64(d))])
  7748  	for {
  7749  		v_0 := v.Args[0]
  7750  		if v_0.Op != OpConst64 {
  7751  			break
  7752  		}
  7753  		c := v_0.AuxInt
  7754  		v_1 := v.Args[1]
  7755  		if v_1.Op != OpConst64 {
  7756  			break
  7757  		}
  7758  		d := v_1.AuxInt
  7759  		v.reset(OpConst64)
  7760  		v.AuxInt = int64(uint64(c) >> uint64(d))
  7761  		return true
  7762  	}
  7763  	// match: (Rsh64Ux64 x (Const64 [0]))
  7764  	// cond:
  7765  	// result: x
  7766  	for {
  7767  		x := v.Args[0]
  7768  		v_1 := v.Args[1]
  7769  		if v_1.Op != OpConst64 {
  7770  			break
  7771  		}
  7772  		if v_1.AuxInt != 0 {
  7773  			break
  7774  		}
  7775  		v.reset(OpCopy)
  7776  		v.Type = x.Type
  7777  		v.AddArg(x)
  7778  		return true
  7779  	}
  7780  	// match: (Rsh64Ux64 (Const64 [0]) _)
  7781  	// cond:
  7782  	// result: (Const64 [0])
  7783  	for {
  7784  		v_0 := v.Args[0]
  7785  		if v_0.Op != OpConst64 {
  7786  			break
  7787  		}
  7788  		if v_0.AuxInt != 0 {
  7789  			break
  7790  		}
  7791  		v.reset(OpConst64)
  7792  		v.AuxInt = 0
  7793  		return true
  7794  	}
  7795  	// match: (Rsh64Ux64 _ (Const64 [c]))
  7796  	// cond: uint64(c) >= 64
  7797  	// result: (Const64 [0])
  7798  	for {
  7799  		v_1 := v.Args[1]
  7800  		if v_1.Op != OpConst64 {
  7801  			break
  7802  		}
  7803  		c := v_1.AuxInt
  7804  		if !(uint64(c) >= 64) {
  7805  			break
  7806  		}
  7807  		v.reset(OpConst64)
  7808  		v.AuxInt = 0
  7809  		return true
  7810  	}
  7811  	// match: (Rsh64Ux64 <t> (Rsh64Ux64 x (Const64 [c])) (Const64 [d]))
  7812  	// cond: !uaddOvf(c,d)
  7813  	// result: (Rsh64Ux64 x (Const64 <t> [c+d]))
  7814  	for {
  7815  		t := v.Type
  7816  		v_0 := v.Args[0]
  7817  		if v_0.Op != OpRsh64Ux64 {
  7818  			break
  7819  		}
  7820  		x := v_0.Args[0]
  7821  		v_0_1 := v_0.Args[1]
  7822  		if v_0_1.Op != OpConst64 {
  7823  			break
  7824  		}
  7825  		c := v_0_1.AuxInt
  7826  		v_1 := v.Args[1]
  7827  		if v_1.Op != OpConst64 {
  7828  			break
  7829  		}
  7830  		d := v_1.AuxInt
  7831  		if !(!uaddOvf(c, d)) {
  7832  			break
  7833  		}
  7834  		v.reset(OpRsh64Ux64)
  7835  		v.AddArg(x)
  7836  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7837  		v0.AuxInt = c + d
  7838  		v.AddArg(v0)
  7839  		return true
  7840  	}
  7841  	// match: (Rsh64Ux64 (Lsh64x64 (Rsh64Ux64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  7842  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  7843  	// result: (Rsh64Ux64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  7844  	for {
  7845  		v_0 := v.Args[0]
  7846  		if v_0.Op != OpLsh64x64 {
  7847  			break
  7848  		}
  7849  		v_0_0 := v_0.Args[0]
  7850  		if v_0_0.Op != OpRsh64Ux64 {
  7851  			break
  7852  		}
  7853  		x := v_0_0.Args[0]
  7854  		v_0_0_1 := v_0_0.Args[1]
  7855  		if v_0_0_1.Op != OpConst64 {
  7856  			break
  7857  		}
  7858  		c1 := v_0_0_1.AuxInt
  7859  		v_0_1 := v_0.Args[1]
  7860  		if v_0_1.Op != OpConst64 {
  7861  			break
  7862  		}
  7863  		c2 := v_0_1.AuxInt
  7864  		v_1 := v.Args[1]
  7865  		if v_1.Op != OpConst64 {
  7866  			break
  7867  		}
  7868  		c3 := v_1.AuxInt
  7869  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  7870  			break
  7871  		}
  7872  		v.reset(OpRsh64Ux64)
  7873  		v.AddArg(x)
  7874  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  7875  		v0.AuxInt = c1 - c2 + c3
  7876  		v.AddArg(v0)
  7877  		return true
  7878  	}
  7879  	return false
  7880  }
  7881  func rewriteValuegeneric_OpRsh64Ux8(v *Value, config *Config) bool {
  7882  	b := v.Block
  7883  	_ = b
  7884  	// match: (Rsh64Ux8  <t> x (Const8  [c]))
  7885  	// cond:
  7886  	// result: (Rsh64Ux64 x (Const64 <t> [int64(uint8(c))]))
  7887  	for {
  7888  		t := v.Type
  7889  		x := v.Args[0]
  7890  		v_1 := v.Args[1]
  7891  		if v_1.Op != OpConst8 {
  7892  			break
  7893  		}
  7894  		c := v_1.AuxInt
  7895  		v.reset(OpRsh64Ux64)
  7896  		v.AddArg(x)
  7897  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7898  		v0.AuxInt = int64(uint8(c))
  7899  		v.AddArg(v0)
  7900  		return true
  7901  	}
  7902  	// match: (Rsh64Ux8 (Const64 [0]) _)
  7903  	// cond:
  7904  	// result: (Const64 [0])
  7905  	for {
  7906  		v_0 := v.Args[0]
  7907  		if v_0.Op != OpConst64 {
  7908  			break
  7909  		}
  7910  		if v_0.AuxInt != 0 {
  7911  			break
  7912  		}
  7913  		v.reset(OpConst64)
  7914  		v.AuxInt = 0
  7915  		return true
  7916  	}
  7917  	return false
  7918  }
  7919  func rewriteValuegeneric_OpRsh64x16(v *Value, config *Config) bool {
  7920  	b := v.Block
  7921  	_ = b
  7922  	// match: (Rsh64x16  <t> x (Const16 [c]))
  7923  	// cond:
  7924  	// result: (Rsh64x64  x (Const64 <t> [int64(uint16(c))]))
  7925  	for {
  7926  		t := v.Type
  7927  		x := v.Args[0]
  7928  		v_1 := v.Args[1]
  7929  		if v_1.Op != OpConst16 {
  7930  			break
  7931  		}
  7932  		c := v_1.AuxInt
  7933  		v.reset(OpRsh64x64)
  7934  		v.AddArg(x)
  7935  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7936  		v0.AuxInt = int64(uint16(c))
  7937  		v.AddArg(v0)
  7938  		return true
  7939  	}
  7940  	// match: (Rsh64x16  (Const64 [0]) _)
  7941  	// cond:
  7942  	// result: (Const64 [0])
  7943  	for {
  7944  		v_0 := v.Args[0]
  7945  		if v_0.Op != OpConst64 {
  7946  			break
  7947  		}
  7948  		if v_0.AuxInt != 0 {
  7949  			break
  7950  		}
  7951  		v.reset(OpConst64)
  7952  		v.AuxInt = 0
  7953  		return true
  7954  	}
  7955  	return false
  7956  }
  7957  func rewriteValuegeneric_OpRsh64x32(v *Value, config *Config) bool {
  7958  	b := v.Block
  7959  	_ = b
  7960  	// match: (Rsh64x32  <t> x (Const32 [c]))
  7961  	// cond:
  7962  	// result: (Rsh64x64  x (Const64 <t> [int64(uint32(c))]))
  7963  	for {
  7964  		t := v.Type
  7965  		x := v.Args[0]
  7966  		v_1 := v.Args[1]
  7967  		if v_1.Op != OpConst32 {
  7968  			break
  7969  		}
  7970  		c := v_1.AuxInt
  7971  		v.reset(OpRsh64x64)
  7972  		v.AddArg(x)
  7973  		v0 := b.NewValue0(v.Line, OpConst64, t)
  7974  		v0.AuxInt = int64(uint32(c))
  7975  		v.AddArg(v0)
  7976  		return true
  7977  	}
  7978  	// match: (Rsh64x32  (Const64 [0]) _)
  7979  	// cond:
  7980  	// result: (Const64 [0])
  7981  	for {
  7982  		v_0 := v.Args[0]
  7983  		if v_0.Op != OpConst64 {
  7984  			break
  7985  		}
  7986  		if v_0.AuxInt != 0 {
  7987  			break
  7988  		}
  7989  		v.reset(OpConst64)
  7990  		v.AuxInt = 0
  7991  		return true
  7992  	}
  7993  	return false
  7994  }
  7995  func rewriteValuegeneric_OpRsh64x64(v *Value, config *Config) bool {
  7996  	b := v.Block
  7997  	_ = b
  7998  	// match: (Rsh64x64  (Const64 [c]) (Const64 [d]))
  7999  	// cond:
  8000  	// result: (Const64 [c >> uint64(d)])
  8001  	for {
  8002  		v_0 := v.Args[0]
  8003  		if v_0.Op != OpConst64 {
  8004  			break
  8005  		}
  8006  		c := v_0.AuxInt
  8007  		v_1 := v.Args[1]
  8008  		if v_1.Op != OpConst64 {
  8009  			break
  8010  		}
  8011  		d := v_1.AuxInt
  8012  		v.reset(OpConst64)
  8013  		v.AuxInt = c >> uint64(d)
  8014  		return true
  8015  	}
  8016  	// match: (Rsh64x64  x (Const64 [0]))
  8017  	// cond:
  8018  	// result: x
  8019  	for {
  8020  		x := v.Args[0]
  8021  		v_1 := v.Args[1]
  8022  		if v_1.Op != OpConst64 {
  8023  			break
  8024  		}
  8025  		if v_1.AuxInt != 0 {
  8026  			break
  8027  		}
  8028  		v.reset(OpCopy)
  8029  		v.Type = x.Type
  8030  		v.AddArg(x)
  8031  		return true
  8032  	}
  8033  	// match: (Rsh64x64  (Const64 [0]) _)
  8034  	// cond:
  8035  	// result: (Const64 [0])
  8036  	for {
  8037  		v_0 := v.Args[0]
  8038  		if v_0.Op != OpConst64 {
  8039  			break
  8040  		}
  8041  		if v_0.AuxInt != 0 {
  8042  			break
  8043  		}
  8044  		v.reset(OpConst64)
  8045  		v.AuxInt = 0
  8046  		return true
  8047  	}
  8048  	// match: (Rsh64x64 <t> (Rsh64x64 x (Const64 [c])) (Const64 [d]))
  8049  	// cond: !uaddOvf(c,d)
  8050  	// result: (Rsh64x64 x (Const64 <t> [c+d]))
  8051  	for {
  8052  		t := v.Type
  8053  		v_0 := v.Args[0]
  8054  		if v_0.Op != OpRsh64x64 {
  8055  			break
  8056  		}
  8057  		x := v_0.Args[0]
  8058  		v_0_1 := v_0.Args[1]
  8059  		if v_0_1.Op != OpConst64 {
  8060  			break
  8061  		}
  8062  		c := v_0_1.AuxInt
  8063  		v_1 := v.Args[1]
  8064  		if v_1.Op != OpConst64 {
  8065  			break
  8066  		}
  8067  		d := v_1.AuxInt
  8068  		if !(!uaddOvf(c, d)) {
  8069  			break
  8070  		}
  8071  		v.reset(OpRsh64x64)
  8072  		v.AddArg(x)
  8073  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8074  		v0.AuxInt = c + d
  8075  		v.AddArg(v0)
  8076  		return true
  8077  	}
  8078  	return false
  8079  }
  8080  func rewriteValuegeneric_OpRsh64x8(v *Value, config *Config) bool {
  8081  	b := v.Block
  8082  	_ = b
  8083  	// match: (Rsh64x8   <t> x (Const8  [c]))
  8084  	// cond:
  8085  	// result: (Rsh64x64  x (Const64 <t> [int64(uint8(c))]))
  8086  	for {
  8087  		t := v.Type
  8088  		x := v.Args[0]
  8089  		v_1 := v.Args[1]
  8090  		if v_1.Op != OpConst8 {
  8091  			break
  8092  		}
  8093  		c := v_1.AuxInt
  8094  		v.reset(OpRsh64x64)
  8095  		v.AddArg(x)
  8096  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8097  		v0.AuxInt = int64(uint8(c))
  8098  		v.AddArg(v0)
  8099  		return true
  8100  	}
  8101  	// match: (Rsh64x8  (Const64 [0]) _)
  8102  	// cond:
  8103  	// result: (Const64 [0])
  8104  	for {
  8105  		v_0 := v.Args[0]
  8106  		if v_0.Op != OpConst64 {
  8107  			break
  8108  		}
  8109  		if v_0.AuxInt != 0 {
  8110  			break
  8111  		}
  8112  		v.reset(OpConst64)
  8113  		v.AuxInt = 0
  8114  		return true
  8115  	}
  8116  	return false
  8117  }
  8118  func rewriteValuegeneric_OpRsh8Ux16(v *Value, config *Config) bool {
  8119  	b := v.Block
  8120  	_ = b
  8121  	// match: (Rsh8Ux16 <t> x (Const16 [c]))
  8122  	// cond:
  8123  	// result: (Rsh8Ux64 x (Const64 <t> [int64(uint16(c))]))
  8124  	for {
  8125  		t := v.Type
  8126  		x := v.Args[0]
  8127  		v_1 := v.Args[1]
  8128  		if v_1.Op != OpConst16 {
  8129  			break
  8130  		}
  8131  		c := v_1.AuxInt
  8132  		v.reset(OpRsh8Ux64)
  8133  		v.AddArg(x)
  8134  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8135  		v0.AuxInt = int64(uint16(c))
  8136  		v.AddArg(v0)
  8137  		return true
  8138  	}
  8139  	// match: (Rsh8Ux16  (Const8 [0]) _)
  8140  	// cond:
  8141  	// result: (Const8  [0])
  8142  	for {
  8143  		v_0 := v.Args[0]
  8144  		if v_0.Op != OpConst8 {
  8145  			break
  8146  		}
  8147  		if v_0.AuxInt != 0 {
  8148  			break
  8149  		}
  8150  		v.reset(OpConst8)
  8151  		v.AuxInt = 0
  8152  		return true
  8153  	}
  8154  	return false
  8155  }
  8156  func rewriteValuegeneric_OpRsh8Ux32(v *Value, config *Config) bool {
  8157  	b := v.Block
  8158  	_ = b
  8159  	// match: (Rsh8Ux32 <t> x (Const32 [c]))
  8160  	// cond:
  8161  	// result: (Rsh8Ux64 x (Const64 <t> [int64(uint32(c))]))
  8162  	for {
  8163  		t := v.Type
  8164  		x := v.Args[0]
  8165  		v_1 := v.Args[1]
  8166  		if v_1.Op != OpConst32 {
  8167  			break
  8168  		}
  8169  		c := v_1.AuxInt
  8170  		v.reset(OpRsh8Ux64)
  8171  		v.AddArg(x)
  8172  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8173  		v0.AuxInt = int64(uint32(c))
  8174  		v.AddArg(v0)
  8175  		return true
  8176  	}
  8177  	// match: (Rsh8Ux32  (Const8 [0]) _)
  8178  	// cond:
  8179  	// result: (Const8  [0])
  8180  	for {
  8181  		v_0 := v.Args[0]
  8182  		if v_0.Op != OpConst8 {
  8183  			break
  8184  		}
  8185  		if v_0.AuxInt != 0 {
  8186  			break
  8187  		}
  8188  		v.reset(OpConst8)
  8189  		v.AuxInt = 0
  8190  		return true
  8191  	}
  8192  	return false
  8193  }
  8194  func rewriteValuegeneric_OpRsh8Ux64(v *Value, config *Config) bool {
  8195  	b := v.Block
  8196  	_ = b
  8197  	// match: (Rsh8Ux64  (Const8  [c]) (Const64 [d]))
  8198  	// cond:
  8199  	// result: (Const8  [int64(int8(uint8(c) >> uint64(d)))])
  8200  	for {
  8201  		v_0 := v.Args[0]
  8202  		if v_0.Op != OpConst8 {
  8203  			break
  8204  		}
  8205  		c := v_0.AuxInt
  8206  		v_1 := v.Args[1]
  8207  		if v_1.Op != OpConst64 {
  8208  			break
  8209  		}
  8210  		d := v_1.AuxInt
  8211  		v.reset(OpConst8)
  8212  		v.AuxInt = int64(int8(uint8(c) >> uint64(d)))
  8213  		return true
  8214  	}
  8215  	// match: (Rsh8Ux64  x (Const64 [0]))
  8216  	// cond:
  8217  	// result: x
  8218  	for {
  8219  		x := v.Args[0]
  8220  		v_1 := v.Args[1]
  8221  		if v_1.Op != OpConst64 {
  8222  			break
  8223  		}
  8224  		if v_1.AuxInt != 0 {
  8225  			break
  8226  		}
  8227  		v.reset(OpCopy)
  8228  		v.Type = x.Type
  8229  		v.AddArg(x)
  8230  		return true
  8231  	}
  8232  	// match: (Rsh8Ux64  (Const8 [0]) _)
  8233  	// cond:
  8234  	// result: (Const8  [0])
  8235  	for {
  8236  		v_0 := v.Args[0]
  8237  		if v_0.Op != OpConst8 {
  8238  			break
  8239  		}
  8240  		if v_0.AuxInt != 0 {
  8241  			break
  8242  		}
  8243  		v.reset(OpConst8)
  8244  		v.AuxInt = 0
  8245  		return true
  8246  	}
  8247  	// match: (Rsh8Ux64  _ (Const64 [c]))
  8248  	// cond: uint64(c) >= 8
  8249  	// result: (Const8  [0])
  8250  	for {
  8251  		v_1 := v.Args[1]
  8252  		if v_1.Op != OpConst64 {
  8253  			break
  8254  		}
  8255  		c := v_1.AuxInt
  8256  		if !(uint64(c) >= 8) {
  8257  			break
  8258  		}
  8259  		v.reset(OpConst8)
  8260  		v.AuxInt = 0
  8261  		return true
  8262  	}
  8263  	// match: (Rsh8Ux64  <t> (Rsh8Ux64  x (Const64 [c])) (Const64 [d]))
  8264  	// cond: !uaddOvf(c,d)
  8265  	// result: (Rsh8Ux64  x (Const64 <t> [c+d]))
  8266  	for {
  8267  		t := v.Type
  8268  		v_0 := v.Args[0]
  8269  		if v_0.Op != OpRsh8Ux64 {
  8270  			break
  8271  		}
  8272  		x := v_0.Args[0]
  8273  		v_0_1 := v_0.Args[1]
  8274  		if v_0_1.Op != OpConst64 {
  8275  			break
  8276  		}
  8277  		c := v_0_1.AuxInt
  8278  		v_1 := v.Args[1]
  8279  		if v_1.Op != OpConst64 {
  8280  			break
  8281  		}
  8282  		d := v_1.AuxInt
  8283  		if !(!uaddOvf(c, d)) {
  8284  			break
  8285  		}
  8286  		v.reset(OpRsh8Ux64)
  8287  		v.AddArg(x)
  8288  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8289  		v0.AuxInt = c + d
  8290  		v.AddArg(v0)
  8291  		return true
  8292  	}
  8293  	// match: (Rsh8Ux64 (Lsh8x64 (Rsh8Ux64 x (Const64 [c1])) (Const64 [c2])) (Const64 [c3]))
  8294  	// cond: uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)
  8295  	// result: (Rsh8Ux64 x (Const64 <config.fe.TypeUInt64()> [c1-c2+c3]))
  8296  	for {
  8297  		v_0 := v.Args[0]
  8298  		if v_0.Op != OpLsh8x64 {
  8299  			break
  8300  		}
  8301  		v_0_0 := v_0.Args[0]
  8302  		if v_0_0.Op != OpRsh8Ux64 {
  8303  			break
  8304  		}
  8305  		x := v_0_0.Args[0]
  8306  		v_0_0_1 := v_0_0.Args[1]
  8307  		if v_0_0_1.Op != OpConst64 {
  8308  			break
  8309  		}
  8310  		c1 := v_0_0_1.AuxInt
  8311  		v_0_1 := v_0.Args[1]
  8312  		if v_0_1.Op != OpConst64 {
  8313  			break
  8314  		}
  8315  		c2 := v_0_1.AuxInt
  8316  		v_1 := v.Args[1]
  8317  		if v_1.Op != OpConst64 {
  8318  			break
  8319  		}
  8320  		c3 := v_1.AuxInt
  8321  		if !(uint64(c1) >= uint64(c2) && uint64(c3) >= uint64(c2) && !uaddOvf(c1-c2, c3)) {
  8322  			break
  8323  		}
  8324  		v.reset(OpRsh8Ux64)
  8325  		v.AddArg(x)
  8326  		v0 := b.NewValue0(v.Line, OpConst64, config.fe.TypeUInt64())
  8327  		v0.AuxInt = c1 - c2 + c3
  8328  		v.AddArg(v0)
  8329  		return true
  8330  	}
  8331  	return false
  8332  }
  8333  func rewriteValuegeneric_OpRsh8Ux8(v *Value, config *Config) bool {
  8334  	b := v.Block
  8335  	_ = b
  8336  	// match: (Rsh8Ux8  <t> x (Const8  [c]))
  8337  	// cond:
  8338  	// result: (Rsh8Ux64 x (Const64 <t> [int64(uint8(c))]))
  8339  	for {
  8340  		t := v.Type
  8341  		x := v.Args[0]
  8342  		v_1 := v.Args[1]
  8343  		if v_1.Op != OpConst8 {
  8344  			break
  8345  		}
  8346  		c := v_1.AuxInt
  8347  		v.reset(OpRsh8Ux64)
  8348  		v.AddArg(x)
  8349  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8350  		v0.AuxInt = int64(uint8(c))
  8351  		v.AddArg(v0)
  8352  		return true
  8353  	}
  8354  	// match: (Rsh8Ux8  (Const8 [0]) _)
  8355  	// cond:
  8356  	// result: (Const8  [0])
  8357  	for {
  8358  		v_0 := v.Args[0]
  8359  		if v_0.Op != OpConst8 {
  8360  			break
  8361  		}
  8362  		if v_0.AuxInt != 0 {
  8363  			break
  8364  		}
  8365  		v.reset(OpConst8)
  8366  		v.AuxInt = 0
  8367  		return true
  8368  	}
  8369  	return false
  8370  }
  8371  func rewriteValuegeneric_OpRsh8x16(v *Value, config *Config) bool {
  8372  	b := v.Block
  8373  	_ = b
  8374  	// match: (Rsh8x16  <t> x (Const16 [c]))
  8375  	// cond:
  8376  	// result: (Rsh8x64  x (Const64 <t> [int64(uint16(c))]))
  8377  	for {
  8378  		t := v.Type
  8379  		x := v.Args[0]
  8380  		v_1 := v.Args[1]
  8381  		if v_1.Op != OpConst16 {
  8382  			break
  8383  		}
  8384  		c := v_1.AuxInt
  8385  		v.reset(OpRsh8x64)
  8386  		v.AddArg(x)
  8387  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8388  		v0.AuxInt = int64(uint16(c))
  8389  		v.AddArg(v0)
  8390  		return true
  8391  	}
  8392  	// match: (Rsh8x16   (Const8 [0]) _)
  8393  	// cond:
  8394  	// result: (Const8  [0])
  8395  	for {
  8396  		v_0 := v.Args[0]
  8397  		if v_0.Op != OpConst8 {
  8398  			break
  8399  		}
  8400  		if v_0.AuxInt != 0 {
  8401  			break
  8402  		}
  8403  		v.reset(OpConst8)
  8404  		v.AuxInt = 0
  8405  		return true
  8406  	}
  8407  	return false
  8408  }
  8409  func rewriteValuegeneric_OpRsh8x32(v *Value, config *Config) bool {
  8410  	b := v.Block
  8411  	_ = b
  8412  	// match: (Rsh8x32  <t> x (Const32 [c]))
  8413  	// cond:
  8414  	// result: (Rsh8x64  x (Const64 <t> [int64(uint32(c))]))
  8415  	for {
  8416  		t := v.Type
  8417  		x := v.Args[0]
  8418  		v_1 := v.Args[1]
  8419  		if v_1.Op != OpConst32 {
  8420  			break
  8421  		}
  8422  		c := v_1.AuxInt
  8423  		v.reset(OpRsh8x64)
  8424  		v.AddArg(x)
  8425  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8426  		v0.AuxInt = int64(uint32(c))
  8427  		v.AddArg(v0)
  8428  		return true
  8429  	}
  8430  	// match: (Rsh8x32   (Const8 [0]) _)
  8431  	// cond:
  8432  	// result: (Const8  [0])
  8433  	for {
  8434  		v_0 := v.Args[0]
  8435  		if v_0.Op != OpConst8 {
  8436  			break
  8437  		}
  8438  		if v_0.AuxInt != 0 {
  8439  			break
  8440  		}
  8441  		v.reset(OpConst8)
  8442  		v.AuxInt = 0
  8443  		return true
  8444  	}
  8445  	return false
  8446  }
  8447  func rewriteValuegeneric_OpRsh8x64(v *Value, config *Config) bool {
  8448  	b := v.Block
  8449  	_ = b
  8450  	// match: (Rsh8x64   (Const8  [c]) (Const64 [d]))
  8451  	// cond:
  8452  	// result: (Const8  [int64(int8(c) >> uint64(d))])
  8453  	for {
  8454  		v_0 := v.Args[0]
  8455  		if v_0.Op != OpConst8 {
  8456  			break
  8457  		}
  8458  		c := v_0.AuxInt
  8459  		v_1 := v.Args[1]
  8460  		if v_1.Op != OpConst64 {
  8461  			break
  8462  		}
  8463  		d := v_1.AuxInt
  8464  		v.reset(OpConst8)
  8465  		v.AuxInt = int64(int8(c) >> uint64(d))
  8466  		return true
  8467  	}
  8468  	// match: (Rsh8x64   x (Const64 [0]))
  8469  	// cond:
  8470  	// result: x
  8471  	for {
  8472  		x := v.Args[0]
  8473  		v_1 := v.Args[1]
  8474  		if v_1.Op != OpConst64 {
  8475  			break
  8476  		}
  8477  		if v_1.AuxInt != 0 {
  8478  			break
  8479  		}
  8480  		v.reset(OpCopy)
  8481  		v.Type = x.Type
  8482  		v.AddArg(x)
  8483  		return true
  8484  	}
  8485  	// match: (Rsh8x64   (Const8 [0]) _)
  8486  	// cond:
  8487  	// result: (Const8  [0])
  8488  	for {
  8489  		v_0 := v.Args[0]
  8490  		if v_0.Op != OpConst8 {
  8491  			break
  8492  		}
  8493  		if v_0.AuxInt != 0 {
  8494  			break
  8495  		}
  8496  		v.reset(OpConst8)
  8497  		v.AuxInt = 0
  8498  		return true
  8499  	}
  8500  	// match: (Rsh8x64  <t> (Rsh8x64  x (Const64 [c])) (Const64 [d]))
  8501  	// cond: !uaddOvf(c,d)
  8502  	// result: (Rsh8x64  x (Const64 <t> [c+d]))
  8503  	for {
  8504  		t := v.Type
  8505  		v_0 := v.Args[0]
  8506  		if v_0.Op != OpRsh8x64 {
  8507  			break
  8508  		}
  8509  		x := v_0.Args[0]
  8510  		v_0_1 := v_0.Args[1]
  8511  		if v_0_1.Op != OpConst64 {
  8512  			break
  8513  		}
  8514  		c := v_0_1.AuxInt
  8515  		v_1 := v.Args[1]
  8516  		if v_1.Op != OpConst64 {
  8517  			break
  8518  		}
  8519  		d := v_1.AuxInt
  8520  		if !(!uaddOvf(c, d)) {
  8521  			break
  8522  		}
  8523  		v.reset(OpRsh8x64)
  8524  		v.AddArg(x)
  8525  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8526  		v0.AuxInt = c + d
  8527  		v.AddArg(v0)
  8528  		return true
  8529  	}
  8530  	return false
  8531  }
  8532  func rewriteValuegeneric_OpRsh8x8(v *Value, config *Config) bool {
  8533  	b := v.Block
  8534  	_ = b
  8535  	// match: (Rsh8x8   <t> x (Const8  [c]))
  8536  	// cond:
  8537  	// result: (Rsh8x64  x (Const64 <t> [int64(uint8(c))]))
  8538  	for {
  8539  		t := v.Type
  8540  		x := v.Args[0]
  8541  		v_1 := v.Args[1]
  8542  		if v_1.Op != OpConst8 {
  8543  			break
  8544  		}
  8545  		c := v_1.AuxInt
  8546  		v.reset(OpRsh8x64)
  8547  		v.AddArg(x)
  8548  		v0 := b.NewValue0(v.Line, OpConst64, t)
  8549  		v0.AuxInt = int64(uint8(c))
  8550  		v.AddArg(v0)
  8551  		return true
  8552  	}
  8553  	// match: (Rsh8x8   (Const8 [0]) _)
  8554  	// cond:
  8555  	// result: (Const8  [0])
  8556  	for {
  8557  		v_0 := v.Args[0]
  8558  		if v_0.Op != OpConst8 {
  8559  			break
  8560  		}
  8561  		if v_0.AuxInt != 0 {
  8562  			break
  8563  		}
  8564  		v.reset(OpConst8)
  8565  		v.AuxInt = 0
  8566  		return true
  8567  	}
  8568  	return false
  8569  }
  8570  func rewriteValuegeneric_OpSliceCap(v *Value, config *Config) bool {
  8571  	b := v.Block
  8572  	_ = b
  8573  	// match: (SliceCap (SliceMake _ _ (Const64 <t> [c])))
  8574  	// cond:
  8575  	// result: (Const64 <t> [c])
  8576  	for {
  8577  		v_0 := v.Args[0]
  8578  		if v_0.Op != OpSliceMake {
  8579  			break
  8580  		}
  8581  		v_0_2 := v_0.Args[2]
  8582  		if v_0_2.Op != OpConst64 {
  8583  			break
  8584  		}
  8585  		t := v_0_2.Type
  8586  		c := v_0_2.AuxInt
  8587  		v.reset(OpConst64)
  8588  		v.Type = t
  8589  		v.AuxInt = c
  8590  		return true
  8591  	}
  8592  	// match: (SliceCap (SliceMake _ _ (SliceCap x)))
  8593  	// cond:
  8594  	// result: (SliceCap x)
  8595  	for {
  8596  		v_0 := v.Args[0]
  8597  		if v_0.Op != OpSliceMake {
  8598  			break
  8599  		}
  8600  		v_0_2 := v_0.Args[2]
  8601  		if v_0_2.Op != OpSliceCap {
  8602  			break
  8603  		}
  8604  		x := v_0_2.Args[0]
  8605  		v.reset(OpSliceCap)
  8606  		v.AddArg(x)
  8607  		return true
  8608  	}
  8609  	// match: (SliceCap (SliceMake _ _ (SliceLen x)))
  8610  	// cond:
  8611  	// result: (SliceLen x)
  8612  	for {
  8613  		v_0 := v.Args[0]
  8614  		if v_0.Op != OpSliceMake {
  8615  			break
  8616  		}
  8617  		v_0_2 := v_0.Args[2]
  8618  		if v_0_2.Op != OpSliceLen {
  8619  			break
  8620  		}
  8621  		x := v_0_2.Args[0]
  8622  		v.reset(OpSliceLen)
  8623  		v.AddArg(x)
  8624  		return true
  8625  	}
  8626  	return false
  8627  }
  8628  func rewriteValuegeneric_OpSliceLen(v *Value, config *Config) bool {
  8629  	b := v.Block
  8630  	_ = b
  8631  	// match: (SliceLen (SliceMake _ (Const64 <t> [c]) _))
  8632  	// cond:
  8633  	// result: (Const64 <t> [c])
  8634  	for {
  8635  		v_0 := v.Args[0]
  8636  		if v_0.Op != OpSliceMake {
  8637  			break
  8638  		}
  8639  		v_0_1 := v_0.Args[1]
  8640  		if v_0_1.Op != OpConst64 {
  8641  			break
  8642  		}
  8643  		t := v_0_1.Type
  8644  		c := v_0_1.AuxInt
  8645  		v.reset(OpConst64)
  8646  		v.Type = t
  8647  		v.AuxInt = c
  8648  		return true
  8649  	}
  8650  	// match: (SliceLen (SliceMake _ (SliceLen x) _))
  8651  	// cond:
  8652  	// result: (SliceLen x)
  8653  	for {
  8654  		v_0 := v.Args[0]
  8655  		if v_0.Op != OpSliceMake {
  8656  			break
  8657  		}
  8658  		v_0_1 := v_0.Args[1]
  8659  		if v_0_1.Op != OpSliceLen {
  8660  			break
  8661  		}
  8662  		x := v_0_1.Args[0]
  8663  		v.reset(OpSliceLen)
  8664  		v.AddArg(x)
  8665  		return true
  8666  	}
  8667  	return false
  8668  }
  8669  func rewriteValuegeneric_OpSlicePtr(v *Value, config *Config) bool {
  8670  	b := v.Block
  8671  	_ = b
  8672  	// match: (SlicePtr (SliceMake (SlicePtr x) _ _))
  8673  	// cond:
  8674  	// result: (SlicePtr x)
  8675  	for {
  8676  		v_0 := v.Args[0]
  8677  		if v_0.Op != OpSliceMake {
  8678  			break
  8679  		}
  8680  		v_0_0 := v_0.Args[0]
  8681  		if v_0_0.Op != OpSlicePtr {
  8682  			break
  8683  		}
  8684  		x := v_0_0.Args[0]
  8685  		v.reset(OpSlicePtr)
  8686  		v.AddArg(x)
  8687  		return true
  8688  	}
  8689  	return false
  8690  }
  8691  func rewriteValuegeneric_OpStore(v *Value, config *Config) bool {
  8692  	b := v.Block
  8693  	_ = b
  8694  	// match: (Store _ (StructMake0) mem)
  8695  	// cond:
  8696  	// result: mem
  8697  	for {
  8698  		v_1 := v.Args[1]
  8699  		if v_1.Op != OpStructMake0 {
  8700  			break
  8701  		}
  8702  		mem := v.Args[2]
  8703  		v.reset(OpCopy)
  8704  		v.Type = mem.Type
  8705  		v.AddArg(mem)
  8706  		return true
  8707  	}
  8708  	// match: (Store dst (StructMake1 <t> f0) mem)
  8709  	// cond:
  8710  	// result: (Store [t.FieldType(0).Size()] dst f0 mem)
  8711  	for {
  8712  		dst := v.Args[0]
  8713  		v_1 := v.Args[1]
  8714  		if v_1.Op != OpStructMake1 {
  8715  			break
  8716  		}
  8717  		t := v_1.Type
  8718  		f0 := v_1.Args[0]
  8719  		mem := v.Args[2]
  8720  		v.reset(OpStore)
  8721  		v.AuxInt = t.FieldType(0).Size()
  8722  		v.AddArg(dst)
  8723  		v.AddArg(f0)
  8724  		v.AddArg(mem)
  8725  		return true
  8726  	}
  8727  	// match: (Store dst (StructMake2 <t> f0 f1) mem)
  8728  	// cond:
  8729  	// result: (Store [t.FieldType(1).Size()]     (OffPtr <t.FieldType(1).PtrTo()> [t.FieldOff(1)] dst)     f1     (Store [t.FieldType(0).Size()] dst f0 mem))
  8730  	for {
  8731  		dst := v.Args[0]
  8732  		v_1 := v.Args[1]
  8733  		if v_1.Op != OpStructMake2 {
  8734  			break
  8735  		}
  8736  		t := v_1.Type
  8737  		f0 := v_1.Args[0]
  8738  		f1 := v_1.Args[1]
  8739  		mem := v.Args[2]
  8740  		v.reset(OpStore)
  8741  		v.AuxInt = t.FieldType(1).Size()
  8742  		v0 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(1).PtrTo())
  8743  		v0.AuxInt = t.FieldOff(1)
  8744  		v0.AddArg(dst)
  8745  		v.AddArg(v0)
  8746  		v.AddArg(f1)
  8747  		v1 := b.NewValue0(v.Line, OpStore, TypeMem)
  8748  		v1.AuxInt = t.FieldType(0).Size()
  8749  		v1.AddArg(dst)
  8750  		v1.AddArg(f0)
  8751  		v1.AddArg(mem)
  8752  		v.AddArg(v1)
  8753  		return true
  8754  	}
  8755  	// match: (Store dst (StructMake3 <t> f0 f1 f2) mem)
  8756  	// cond:
  8757  	// result: (Store [t.FieldType(2).Size()]     (OffPtr <t.FieldType(2).PtrTo()> [t.FieldOff(2)] dst)     f2     (Store [t.FieldType(1).Size()]       (OffPtr <t.FieldType(1).PtrTo()> [t.FieldOff(1)] dst)       f1       (Store [t.FieldType(0).Size()] dst f0 mem)))
  8758  	for {
  8759  		dst := v.Args[0]
  8760  		v_1 := v.Args[1]
  8761  		if v_1.Op != OpStructMake3 {
  8762  			break
  8763  		}
  8764  		t := v_1.Type
  8765  		f0 := v_1.Args[0]
  8766  		f1 := v_1.Args[1]
  8767  		f2 := v_1.Args[2]
  8768  		mem := v.Args[2]
  8769  		v.reset(OpStore)
  8770  		v.AuxInt = t.FieldType(2).Size()
  8771  		v0 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(2).PtrTo())
  8772  		v0.AuxInt = t.FieldOff(2)
  8773  		v0.AddArg(dst)
  8774  		v.AddArg(v0)
  8775  		v.AddArg(f2)
  8776  		v1 := b.NewValue0(v.Line, OpStore, TypeMem)
  8777  		v1.AuxInt = t.FieldType(1).Size()
  8778  		v2 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(1).PtrTo())
  8779  		v2.AuxInt = t.FieldOff(1)
  8780  		v2.AddArg(dst)
  8781  		v1.AddArg(v2)
  8782  		v1.AddArg(f1)
  8783  		v3 := b.NewValue0(v.Line, OpStore, TypeMem)
  8784  		v3.AuxInt = t.FieldType(0).Size()
  8785  		v3.AddArg(dst)
  8786  		v3.AddArg(f0)
  8787  		v3.AddArg(mem)
  8788  		v1.AddArg(v3)
  8789  		v.AddArg(v1)
  8790  		return true
  8791  	}
  8792  	// match: (Store dst (StructMake4 <t> f0 f1 f2 f3) mem)
  8793  	// cond:
  8794  	// result: (Store [t.FieldType(3).Size()]     (OffPtr <t.FieldType(3).PtrTo()> [t.FieldOff(3)] dst)     f3     (Store [t.FieldType(2).Size()]       (OffPtr <t.FieldType(2).PtrTo()> [t.FieldOff(2)] dst)       f2       (Store [t.FieldType(1).Size()]         (OffPtr <t.FieldType(1).PtrTo()> [t.FieldOff(1)] dst)         f1         (Store [t.FieldType(0).Size()] dst f0 mem))))
  8795  	for {
  8796  		dst := v.Args[0]
  8797  		v_1 := v.Args[1]
  8798  		if v_1.Op != OpStructMake4 {
  8799  			break
  8800  		}
  8801  		t := v_1.Type
  8802  		f0 := v_1.Args[0]
  8803  		f1 := v_1.Args[1]
  8804  		f2 := v_1.Args[2]
  8805  		f3 := v_1.Args[3]
  8806  		mem := v.Args[2]
  8807  		v.reset(OpStore)
  8808  		v.AuxInt = t.FieldType(3).Size()
  8809  		v0 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(3).PtrTo())
  8810  		v0.AuxInt = t.FieldOff(3)
  8811  		v0.AddArg(dst)
  8812  		v.AddArg(v0)
  8813  		v.AddArg(f3)
  8814  		v1 := b.NewValue0(v.Line, OpStore, TypeMem)
  8815  		v1.AuxInt = t.FieldType(2).Size()
  8816  		v2 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(2).PtrTo())
  8817  		v2.AuxInt = t.FieldOff(2)
  8818  		v2.AddArg(dst)
  8819  		v1.AddArg(v2)
  8820  		v1.AddArg(f2)
  8821  		v3 := b.NewValue0(v.Line, OpStore, TypeMem)
  8822  		v3.AuxInt = t.FieldType(1).Size()
  8823  		v4 := b.NewValue0(v.Line, OpOffPtr, t.FieldType(1).PtrTo())
  8824  		v4.AuxInt = t.FieldOff(1)
  8825  		v4.AddArg(dst)
  8826  		v3.AddArg(v4)
  8827  		v3.AddArg(f1)
  8828  		v5 := b.NewValue0(v.Line, OpStore, TypeMem)
  8829  		v5.AuxInt = t.FieldType(0).Size()
  8830  		v5.AddArg(dst)
  8831  		v5.AddArg(f0)
  8832  		v5.AddArg(mem)
  8833  		v3.AddArg(v5)
  8834  		v1.AddArg(v3)
  8835  		v.AddArg(v1)
  8836  		return true
  8837  	}
  8838  	// match: (Store [size] dst (Load <t> src mem) mem)
  8839  	// cond: !config.fe.CanSSA(t)
  8840  	// result: (Move [size] dst src mem)
  8841  	for {
  8842  		size := v.AuxInt
  8843  		dst := v.Args[0]
  8844  		v_1 := v.Args[1]
  8845  		if v_1.Op != OpLoad {
  8846  			break
  8847  		}
  8848  		t := v_1.Type
  8849  		src := v_1.Args[0]
  8850  		mem := v_1.Args[1]
  8851  		if mem != v.Args[2] {
  8852  			break
  8853  		}
  8854  		if !(!config.fe.CanSSA(t)) {
  8855  			break
  8856  		}
  8857  		v.reset(OpMove)
  8858  		v.AuxInt = size
  8859  		v.AddArg(dst)
  8860  		v.AddArg(src)
  8861  		v.AddArg(mem)
  8862  		return true
  8863  	}
  8864  	// match: (Store [size] dst (Load <t> src mem) (VarDef {x} mem))
  8865  	// cond: !config.fe.CanSSA(t)
  8866  	// result: (Move [size] dst src (VarDef {x} mem))
  8867  	for {
  8868  		size := v.AuxInt
  8869  		dst := v.Args[0]
  8870  		v_1 := v.Args[1]
  8871  		if v_1.Op != OpLoad {
  8872  			break
  8873  		}
  8874  		t := v_1.Type
  8875  		src := v_1.Args[0]
  8876  		mem := v_1.Args[1]
  8877  		v_2 := v.Args[2]
  8878  		if v_2.Op != OpVarDef {
  8879  			break
  8880  		}
  8881  		x := v_2.Aux
  8882  		if mem != v_2.Args[0] {
  8883  			break
  8884  		}
  8885  		if !(!config.fe.CanSSA(t)) {
  8886  			break
  8887  		}
  8888  		v.reset(OpMove)
  8889  		v.AuxInt = size
  8890  		v.AddArg(dst)
  8891  		v.AddArg(src)
  8892  		v0 := b.NewValue0(v.Line, OpVarDef, TypeMem)
  8893  		v0.Aux = x
  8894  		v0.AddArg(mem)
  8895  		v.AddArg(v0)
  8896  		return true
  8897  	}
  8898  	return false
  8899  }
  8900  func rewriteValuegeneric_OpStringLen(v *Value, config *Config) bool {
  8901  	b := v.Block
  8902  	_ = b
  8903  	// match: (StringLen (StringMake _ (Const64 <t> [c])))
  8904  	// cond:
  8905  	// result: (Const64 <t> [c])
  8906  	for {
  8907  		v_0 := v.Args[0]
  8908  		if v_0.Op != OpStringMake {
  8909  			break
  8910  		}
  8911  		v_0_1 := v_0.Args[1]
  8912  		if v_0_1.Op != OpConst64 {
  8913  			break
  8914  		}
  8915  		t := v_0_1.Type
  8916  		c := v_0_1.AuxInt
  8917  		v.reset(OpConst64)
  8918  		v.Type = t
  8919  		v.AuxInt = c
  8920  		return true
  8921  	}
  8922  	return false
  8923  }
  8924  func rewriteValuegeneric_OpStringPtr(v *Value, config *Config) bool {
  8925  	b := v.Block
  8926  	_ = b
  8927  	// match: (StringPtr (StringMake (Const64 <t> [c]) _))
  8928  	// cond:
  8929  	// result: (Const64 <t> [c])
  8930  	for {
  8931  		v_0 := v.Args[0]
  8932  		if v_0.Op != OpStringMake {
  8933  			break
  8934  		}
  8935  		v_0_0 := v_0.Args[0]
  8936  		if v_0_0.Op != OpConst64 {
  8937  			break
  8938  		}
  8939  		t := v_0_0.Type
  8940  		c := v_0_0.AuxInt
  8941  		v.reset(OpConst64)
  8942  		v.Type = t
  8943  		v.AuxInt = c
  8944  		return true
  8945  	}
  8946  	return false
  8947  }
  8948  func rewriteValuegeneric_OpStructSelect(v *Value, config *Config) bool {
  8949  	b := v.Block
  8950  	_ = b
  8951  	// match: (StructSelect (StructMake1 x))
  8952  	// cond:
  8953  	// result: x
  8954  	for {
  8955  		v_0 := v.Args[0]
  8956  		if v_0.Op != OpStructMake1 {
  8957  			break
  8958  		}
  8959  		x := v_0.Args[0]
  8960  		v.reset(OpCopy)
  8961  		v.Type = x.Type
  8962  		v.AddArg(x)
  8963  		return true
  8964  	}
  8965  	// match: (StructSelect [0] (StructMake2 x _))
  8966  	// cond:
  8967  	// result: x
  8968  	for {
  8969  		if v.AuxInt != 0 {
  8970  			break
  8971  		}
  8972  		v_0 := v.Args[0]
  8973  		if v_0.Op != OpStructMake2 {
  8974  			break
  8975  		}
  8976  		x := v_0.Args[0]
  8977  		v.reset(OpCopy)
  8978  		v.Type = x.Type
  8979  		v.AddArg(x)
  8980  		return true
  8981  	}
  8982  	// match: (StructSelect [1] (StructMake2 _ x))
  8983  	// cond:
  8984  	// result: x
  8985  	for {
  8986  		if v.AuxInt != 1 {
  8987  			break
  8988  		}
  8989  		v_0 := v.Args[0]
  8990  		if v_0.Op != OpStructMake2 {
  8991  			break
  8992  		}
  8993  		x := v_0.Args[1]
  8994  		v.reset(OpCopy)
  8995  		v.Type = x.Type
  8996  		v.AddArg(x)
  8997  		return true
  8998  	}
  8999  	// match: (StructSelect [0] (StructMake3 x _ _))
  9000  	// cond:
  9001  	// result: x
  9002  	for {
  9003  		if v.AuxInt != 0 {
  9004  			break
  9005  		}
  9006  		v_0 := v.Args[0]
  9007  		if v_0.Op != OpStructMake3 {
  9008  			break
  9009  		}
  9010  		x := v_0.Args[0]
  9011  		v.reset(OpCopy)
  9012  		v.Type = x.Type
  9013  		v.AddArg(x)
  9014  		return true
  9015  	}
  9016  	// match: (StructSelect [1] (StructMake3 _ x _))
  9017  	// cond:
  9018  	// result: x
  9019  	for {
  9020  		if v.AuxInt != 1 {
  9021  			break
  9022  		}
  9023  		v_0 := v.Args[0]
  9024  		if v_0.Op != OpStructMake3 {
  9025  			break
  9026  		}
  9027  		x := v_0.Args[1]
  9028  		v.reset(OpCopy)
  9029  		v.Type = x.Type
  9030  		v.AddArg(x)
  9031  		return true
  9032  	}
  9033  	// match: (StructSelect [2] (StructMake3 _ _ x))
  9034  	// cond:
  9035  	// result: x
  9036  	for {
  9037  		if v.AuxInt != 2 {
  9038  			break
  9039  		}
  9040  		v_0 := v.Args[0]
  9041  		if v_0.Op != OpStructMake3 {
  9042  			break
  9043  		}
  9044  		x := v_0.Args[2]
  9045  		v.reset(OpCopy)
  9046  		v.Type = x.Type
  9047  		v.AddArg(x)
  9048  		return true
  9049  	}
  9050  	// match: (StructSelect [0] (StructMake4 x _ _ _))
  9051  	// cond:
  9052  	// result: x
  9053  	for {
  9054  		if v.AuxInt != 0 {
  9055  			break
  9056  		}
  9057  		v_0 := v.Args[0]
  9058  		if v_0.Op != OpStructMake4 {
  9059  			break
  9060  		}
  9061  		x := v_0.Args[0]
  9062  		v.reset(OpCopy)
  9063  		v.Type = x.Type
  9064  		v.AddArg(x)
  9065  		return true
  9066  	}
  9067  	// match: (StructSelect [1] (StructMake4 _ x _ _))
  9068  	// cond:
  9069  	// result: x
  9070  	for {
  9071  		if v.AuxInt != 1 {
  9072  			break
  9073  		}
  9074  		v_0 := v.Args[0]
  9075  		if v_0.Op != OpStructMake4 {
  9076  			break
  9077  		}
  9078  		x := v_0.Args[1]
  9079  		v.reset(OpCopy)
  9080  		v.Type = x.Type
  9081  		v.AddArg(x)
  9082  		return true
  9083  	}
  9084  	// match: (StructSelect [2] (StructMake4 _ _ x _))
  9085  	// cond:
  9086  	// result: x
  9087  	for {
  9088  		if v.AuxInt != 2 {
  9089  			break
  9090  		}
  9091  		v_0 := v.Args[0]
  9092  		if v_0.Op != OpStructMake4 {
  9093  			break
  9094  		}
  9095  		x := v_0.Args[2]
  9096  		v.reset(OpCopy)
  9097  		v.Type = x.Type
  9098  		v.AddArg(x)
  9099  		return true
  9100  	}
  9101  	// match: (StructSelect [3] (StructMake4 _ _ _ x))
  9102  	// cond:
  9103  	// result: x
  9104  	for {
  9105  		if v.AuxInt != 3 {
  9106  			break
  9107  		}
  9108  		v_0 := v.Args[0]
  9109  		if v_0.Op != OpStructMake4 {
  9110  			break
  9111  		}
  9112  		x := v_0.Args[3]
  9113  		v.reset(OpCopy)
  9114  		v.Type = x.Type
  9115  		v.AddArg(x)
  9116  		return true
  9117  	}
  9118  	// match: (StructSelect [i] x:(Load <t> ptr mem))
  9119  	// cond: !config.fe.CanSSA(t)
  9120  	// result: @x.Block (Load <v.Type> (OffPtr <v.Type.PtrTo()> [t.FieldOff(int(i))] ptr) mem)
  9121  	for {
  9122  		i := v.AuxInt
  9123  		x := v.Args[0]
  9124  		if x.Op != OpLoad {
  9125  			break
  9126  		}
  9127  		t := x.Type
  9128  		ptr := x.Args[0]
  9129  		mem := x.Args[1]
  9130  		if !(!config.fe.CanSSA(t)) {
  9131  			break
  9132  		}
  9133  		b = x.Block
  9134  		v0 := b.NewValue0(v.Line, OpLoad, v.Type)
  9135  		v.reset(OpCopy)
  9136  		v.AddArg(v0)
  9137  		v1 := b.NewValue0(v.Line, OpOffPtr, v.Type.PtrTo())
  9138  		v1.AuxInt = t.FieldOff(int(i))
  9139  		v1.AddArg(ptr)
  9140  		v0.AddArg(v1)
  9141  		v0.AddArg(mem)
  9142  		return true
  9143  	}
  9144  	return false
  9145  }
  9146  func rewriteValuegeneric_OpSub16(v *Value, config *Config) bool {
  9147  	b := v.Block
  9148  	_ = b
  9149  	// match: (Sub16  (Const16 [c]) (Const16 [d]))
  9150  	// cond:
  9151  	// result: (Const16 [int64(int16(c-d))])
  9152  	for {
  9153  		v_0 := v.Args[0]
  9154  		if v_0.Op != OpConst16 {
  9155  			break
  9156  		}
  9157  		c := v_0.AuxInt
  9158  		v_1 := v.Args[1]
  9159  		if v_1.Op != OpConst16 {
  9160  			break
  9161  		}
  9162  		d := v_1.AuxInt
  9163  		v.reset(OpConst16)
  9164  		v.AuxInt = int64(int16(c - d))
  9165  		return true
  9166  	}
  9167  	// match: (Sub16 x (Const16 <t> [c]))
  9168  	// cond: x.Op != OpConst16
  9169  	// result: (Add16 (Const16 <t> [int64(int16(-c))]) x)
  9170  	for {
  9171  		x := v.Args[0]
  9172  		v_1 := v.Args[1]
  9173  		if v_1.Op != OpConst16 {
  9174  			break
  9175  		}
  9176  		t := v_1.Type
  9177  		c := v_1.AuxInt
  9178  		if !(x.Op != OpConst16) {
  9179  			break
  9180  		}
  9181  		v.reset(OpAdd16)
  9182  		v0 := b.NewValue0(v.Line, OpConst16, t)
  9183  		v0.AuxInt = int64(int16(-c))
  9184  		v.AddArg(v0)
  9185  		v.AddArg(x)
  9186  		return true
  9187  	}
  9188  	// match: (Sub16 x x)
  9189  	// cond:
  9190  	// result: (Const16 [0])
  9191  	for {
  9192  		x := v.Args[0]
  9193  		if x != v.Args[1] {
  9194  			break
  9195  		}
  9196  		v.reset(OpConst16)
  9197  		v.AuxInt = 0
  9198  		return true
  9199  	}
  9200  	// match: (Sub16 (Add16 x y) x)
  9201  	// cond:
  9202  	// result: y
  9203  	for {
  9204  		v_0 := v.Args[0]
  9205  		if v_0.Op != OpAdd16 {
  9206  			break
  9207  		}
  9208  		x := v_0.Args[0]
  9209  		y := v_0.Args[1]
  9210  		if x != v.Args[1] {
  9211  			break
  9212  		}
  9213  		v.reset(OpCopy)
  9214  		v.Type = y.Type
  9215  		v.AddArg(y)
  9216  		return true
  9217  	}
  9218  	// match: (Sub16 (Add16 x y) y)
  9219  	// cond:
  9220  	// result: x
  9221  	for {
  9222  		v_0 := v.Args[0]
  9223  		if v_0.Op != OpAdd16 {
  9224  			break
  9225  		}
  9226  		x := v_0.Args[0]
  9227  		y := v_0.Args[1]
  9228  		if y != v.Args[1] {
  9229  			break
  9230  		}
  9231  		v.reset(OpCopy)
  9232  		v.Type = x.Type
  9233  		v.AddArg(x)
  9234  		return true
  9235  	}
  9236  	return false
  9237  }
  9238  func rewriteValuegeneric_OpSub32(v *Value, config *Config) bool {
  9239  	b := v.Block
  9240  	_ = b
  9241  	// match: (Sub32  (Const32 [c]) (Const32 [d]))
  9242  	// cond:
  9243  	// result: (Const32 [int64(int32(c-d))])
  9244  	for {
  9245  		v_0 := v.Args[0]
  9246  		if v_0.Op != OpConst32 {
  9247  			break
  9248  		}
  9249  		c := v_0.AuxInt
  9250  		v_1 := v.Args[1]
  9251  		if v_1.Op != OpConst32 {
  9252  			break
  9253  		}
  9254  		d := v_1.AuxInt
  9255  		v.reset(OpConst32)
  9256  		v.AuxInt = int64(int32(c - d))
  9257  		return true
  9258  	}
  9259  	// match: (Sub32 x (Const32 <t> [c]))
  9260  	// cond: x.Op != OpConst32
  9261  	// result: (Add32 (Const32 <t> [int64(int32(-c))]) x)
  9262  	for {
  9263  		x := v.Args[0]
  9264  		v_1 := v.Args[1]
  9265  		if v_1.Op != OpConst32 {
  9266  			break
  9267  		}
  9268  		t := v_1.Type
  9269  		c := v_1.AuxInt
  9270  		if !(x.Op != OpConst32) {
  9271  			break
  9272  		}
  9273  		v.reset(OpAdd32)
  9274  		v0 := b.NewValue0(v.Line, OpConst32, t)
  9275  		v0.AuxInt = int64(int32(-c))
  9276  		v.AddArg(v0)
  9277  		v.AddArg(x)
  9278  		return true
  9279  	}
  9280  	// match: (Sub32 x x)
  9281  	// cond:
  9282  	// result: (Const32 [0])
  9283  	for {
  9284  		x := v.Args[0]
  9285  		if x != v.Args[1] {
  9286  			break
  9287  		}
  9288  		v.reset(OpConst32)
  9289  		v.AuxInt = 0
  9290  		return true
  9291  	}
  9292  	// match: (Sub32 (Add32 x y) x)
  9293  	// cond:
  9294  	// result: y
  9295  	for {
  9296  		v_0 := v.Args[0]
  9297  		if v_0.Op != OpAdd32 {
  9298  			break
  9299  		}
  9300  		x := v_0.Args[0]
  9301  		y := v_0.Args[1]
  9302  		if x != v.Args[1] {
  9303  			break
  9304  		}
  9305  		v.reset(OpCopy)
  9306  		v.Type = y.Type
  9307  		v.AddArg(y)
  9308  		return true
  9309  	}
  9310  	// match: (Sub32 (Add32 x y) y)
  9311  	// cond:
  9312  	// result: x
  9313  	for {
  9314  		v_0 := v.Args[0]
  9315  		if v_0.Op != OpAdd32 {
  9316  			break
  9317  		}
  9318  		x := v_0.Args[0]
  9319  		y := v_0.Args[1]
  9320  		if y != v.Args[1] {
  9321  			break
  9322  		}
  9323  		v.reset(OpCopy)
  9324  		v.Type = x.Type
  9325  		v.AddArg(x)
  9326  		return true
  9327  	}
  9328  	return false
  9329  }
  9330  func rewriteValuegeneric_OpSub32F(v *Value, config *Config) bool {
  9331  	b := v.Block
  9332  	_ = b
  9333  	// match: (Sub32F (Const32F [c]) (Const32F [d]))
  9334  	// cond:
  9335  	// result: (Const32F [f2i(float64(i2f32(c) - i2f32(d)))])
  9336  	for {
  9337  		v_0 := v.Args[0]
  9338  		if v_0.Op != OpConst32F {
  9339  			break
  9340  		}
  9341  		c := v_0.AuxInt
  9342  		v_1 := v.Args[1]
  9343  		if v_1.Op != OpConst32F {
  9344  			break
  9345  		}
  9346  		d := v_1.AuxInt
  9347  		v.reset(OpConst32F)
  9348  		v.AuxInt = f2i(float64(i2f32(c) - i2f32(d)))
  9349  		return true
  9350  	}
  9351  	return false
  9352  }
  9353  func rewriteValuegeneric_OpSub64(v *Value, config *Config) bool {
  9354  	b := v.Block
  9355  	_ = b
  9356  	// match: (Sub64  (Const64 [c]) (Const64 [d]))
  9357  	// cond:
  9358  	// result: (Const64 [c-d])
  9359  	for {
  9360  		v_0 := v.Args[0]
  9361  		if v_0.Op != OpConst64 {
  9362  			break
  9363  		}
  9364  		c := v_0.AuxInt
  9365  		v_1 := v.Args[1]
  9366  		if v_1.Op != OpConst64 {
  9367  			break
  9368  		}
  9369  		d := v_1.AuxInt
  9370  		v.reset(OpConst64)
  9371  		v.AuxInt = c - d
  9372  		return true
  9373  	}
  9374  	// match: (Sub64 x (Const64 <t> [c]))
  9375  	// cond: x.Op != OpConst64
  9376  	// result: (Add64 (Const64 <t> [-c]) x)
  9377  	for {
  9378  		x := v.Args[0]
  9379  		v_1 := v.Args[1]
  9380  		if v_1.Op != OpConst64 {
  9381  			break
  9382  		}
  9383  		t := v_1.Type
  9384  		c := v_1.AuxInt
  9385  		if !(x.Op != OpConst64) {
  9386  			break
  9387  		}
  9388  		v.reset(OpAdd64)
  9389  		v0 := b.NewValue0(v.Line, OpConst64, t)
  9390  		v0.AuxInt = -c
  9391  		v.AddArg(v0)
  9392  		v.AddArg(x)
  9393  		return true
  9394  	}
  9395  	// match: (Sub64 x x)
  9396  	// cond:
  9397  	// result: (Const64 [0])
  9398  	for {
  9399  		x := v.Args[0]
  9400  		if x != v.Args[1] {
  9401  			break
  9402  		}
  9403  		v.reset(OpConst64)
  9404  		v.AuxInt = 0
  9405  		return true
  9406  	}
  9407  	// match: (Sub64 (Add64 x y) x)
  9408  	// cond:
  9409  	// result: y
  9410  	for {
  9411  		v_0 := v.Args[0]
  9412  		if v_0.Op != OpAdd64 {
  9413  			break
  9414  		}
  9415  		x := v_0.Args[0]
  9416  		y := v_0.Args[1]
  9417  		if x != v.Args[1] {
  9418  			break
  9419  		}
  9420  		v.reset(OpCopy)
  9421  		v.Type = y.Type
  9422  		v.AddArg(y)
  9423  		return true
  9424  	}
  9425  	// match: (Sub64 (Add64 x y) y)
  9426  	// cond:
  9427  	// result: x
  9428  	for {
  9429  		v_0 := v.Args[0]
  9430  		if v_0.Op != OpAdd64 {
  9431  			break
  9432  		}
  9433  		x := v_0.Args[0]
  9434  		y := v_0.Args[1]
  9435  		if y != v.Args[1] {
  9436  			break
  9437  		}
  9438  		v.reset(OpCopy)
  9439  		v.Type = x.Type
  9440  		v.AddArg(x)
  9441  		return true
  9442  	}
  9443  	return false
  9444  }
  9445  func rewriteValuegeneric_OpSub64F(v *Value, config *Config) bool {
  9446  	b := v.Block
  9447  	_ = b
  9448  	// match: (Sub64F (Const64F [c]) (Const64F [d]))
  9449  	// cond:
  9450  	// result: (Const64F [f2i(i2f(c) - i2f(d))])
  9451  	for {
  9452  		v_0 := v.Args[0]
  9453  		if v_0.Op != OpConst64F {
  9454  			break
  9455  		}
  9456  		c := v_0.AuxInt
  9457  		v_1 := v.Args[1]
  9458  		if v_1.Op != OpConst64F {
  9459  			break
  9460  		}
  9461  		d := v_1.AuxInt
  9462  		v.reset(OpConst64F)
  9463  		v.AuxInt = f2i(i2f(c) - i2f(d))
  9464  		return true
  9465  	}
  9466  	return false
  9467  }
  9468  func rewriteValuegeneric_OpSub8(v *Value, config *Config) bool {
  9469  	b := v.Block
  9470  	_ = b
  9471  	// match: (Sub8   (Const8 [c]) (Const8 [d]))
  9472  	// cond:
  9473  	// result: (Const8 [int64(int8(c-d))])
  9474  	for {
  9475  		v_0 := v.Args[0]
  9476  		if v_0.Op != OpConst8 {
  9477  			break
  9478  		}
  9479  		c := v_0.AuxInt
  9480  		v_1 := v.Args[1]
  9481  		if v_1.Op != OpConst8 {
  9482  			break
  9483  		}
  9484  		d := v_1.AuxInt
  9485  		v.reset(OpConst8)
  9486  		v.AuxInt = int64(int8(c - d))
  9487  		return true
  9488  	}
  9489  	// match: (Sub8  x (Const8  <t> [c]))
  9490  	// cond: x.Op != OpConst8
  9491  	// result: (Add8  (Const8  <t> [int64(int8(-c))]) x)
  9492  	for {
  9493  		x := v.Args[0]
  9494  		v_1 := v.Args[1]
  9495  		if v_1.Op != OpConst8 {
  9496  			break
  9497  		}
  9498  		t := v_1.Type
  9499  		c := v_1.AuxInt
  9500  		if !(x.Op != OpConst8) {
  9501  			break
  9502  		}
  9503  		v.reset(OpAdd8)
  9504  		v0 := b.NewValue0(v.Line, OpConst8, t)
  9505  		v0.AuxInt = int64(int8(-c))
  9506  		v.AddArg(v0)
  9507  		v.AddArg(x)
  9508  		return true
  9509  	}
  9510  	// match: (Sub8  x x)
  9511  	// cond:
  9512  	// result: (Const8  [0])
  9513  	for {
  9514  		x := v.Args[0]
  9515  		if x != v.Args[1] {
  9516  			break
  9517  		}
  9518  		v.reset(OpConst8)
  9519  		v.AuxInt = 0
  9520  		return true
  9521  	}
  9522  	// match: (Sub8  (Add8  x y) x)
  9523  	// cond:
  9524  	// result: y
  9525  	for {
  9526  		v_0 := v.Args[0]
  9527  		if v_0.Op != OpAdd8 {
  9528  			break
  9529  		}
  9530  		x := v_0.Args[0]
  9531  		y := v_0.Args[1]
  9532  		if x != v.Args[1] {
  9533  			break
  9534  		}
  9535  		v.reset(OpCopy)
  9536  		v.Type = y.Type
  9537  		v.AddArg(y)
  9538  		return true
  9539  	}
  9540  	// match: (Sub8  (Add8  x y) y)
  9541  	// cond:
  9542  	// result: x
  9543  	for {
  9544  		v_0 := v.Args[0]
  9545  		if v_0.Op != OpAdd8 {
  9546  			break
  9547  		}
  9548  		x := v_0.Args[0]
  9549  		y := v_0.Args[1]
  9550  		if y != v.Args[1] {
  9551  			break
  9552  		}
  9553  		v.reset(OpCopy)
  9554  		v.Type = x.Type
  9555  		v.AddArg(x)
  9556  		return true
  9557  	}
  9558  	return false
  9559  }
  9560  func rewriteValuegeneric_OpTrunc16to8(v *Value, config *Config) bool {
  9561  	b := v.Block
  9562  	_ = b
  9563  	// match: (Trunc16to8  (Const16 [c]))
  9564  	// cond:
  9565  	// result: (Const8   [int64(int8(c))])
  9566  	for {
  9567  		v_0 := v.Args[0]
  9568  		if v_0.Op != OpConst16 {
  9569  			break
  9570  		}
  9571  		c := v_0.AuxInt
  9572  		v.reset(OpConst8)
  9573  		v.AuxInt = int64(int8(c))
  9574  		return true
  9575  	}
  9576  	// match: (Trunc16to8  (And16 (Const16 [y]) x))
  9577  	// cond: y&0xFF == 0xFF
  9578  	// result: (Trunc16to8 x)
  9579  	for {
  9580  		v_0 := v.Args[0]
  9581  		if v_0.Op != OpAnd16 {
  9582  			break
  9583  		}
  9584  		v_0_0 := v_0.Args[0]
  9585  		if v_0_0.Op != OpConst16 {
  9586  			break
  9587  		}
  9588  		y := v_0_0.AuxInt
  9589  		x := v_0.Args[1]
  9590  		if !(y&0xFF == 0xFF) {
  9591  			break
  9592  		}
  9593  		v.reset(OpTrunc16to8)
  9594  		v.AddArg(x)
  9595  		return true
  9596  	}
  9597  	return false
  9598  }
  9599  func rewriteValuegeneric_OpTrunc32to16(v *Value, config *Config) bool {
  9600  	b := v.Block
  9601  	_ = b
  9602  	// match: (Trunc32to16 (Const32 [c]))
  9603  	// cond:
  9604  	// result: (Const16  [int64(int16(c))])
  9605  	for {
  9606  		v_0 := v.Args[0]
  9607  		if v_0.Op != OpConst32 {
  9608  			break
  9609  		}
  9610  		c := v_0.AuxInt
  9611  		v.reset(OpConst16)
  9612  		v.AuxInt = int64(int16(c))
  9613  		return true
  9614  	}
  9615  	// match: (Trunc32to16 (And32 (Const32 [y]) x))
  9616  	// cond: y&0xFFFF == 0xFFFF
  9617  	// result: (Trunc32to16 x)
  9618  	for {
  9619  		v_0 := v.Args[0]
  9620  		if v_0.Op != OpAnd32 {
  9621  			break
  9622  		}
  9623  		v_0_0 := v_0.Args[0]
  9624  		if v_0_0.Op != OpConst32 {
  9625  			break
  9626  		}
  9627  		y := v_0_0.AuxInt
  9628  		x := v_0.Args[1]
  9629  		if !(y&0xFFFF == 0xFFFF) {
  9630  			break
  9631  		}
  9632  		v.reset(OpTrunc32to16)
  9633  		v.AddArg(x)
  9634  		return true
  9635  	}
  9636  	return false
  9637  }
  9638  func rewriteValuegeneric_OpTrunc32to8(v *Value, config *Config) bool {
  9639  	b := v.Block
  9640  	_ = b
  9641  	// match: (Trunc32to8  (Const32 [c]))
  9642  	// cond:
  9643  	// result: (Const8   [int64(int8(c))])
  9644  	for {
  9645  		v_0 := v.Args[0]
  9646  		if v_0.Op != OpConst32 {
  9647  			break
  9648  		}
  9649  		c := v_0.AuxInt
  9650  		v.reset(OpConst8)
  9651  		v.AuxInt = int64(int8(c))
  9652  		return true
  9653  	}
  9654  	// match: (Trunc32to8  (And32 (Const32 [y]) x))
  9655  	// cond: y&0xFF == 0xFF
  9656  	// result: (Trunc32to8 x)
  9657  	for {
  9658  		v_0 := v.Args[0]
  9659  		if v_0.Op != OpAnd32 {
  9660  			break
  9661  		}
  9662  		v_0_0 := v_0.Args[0]
  9663  		if v_0_0.Op != OpConst32 {
  9664  			break
  9665  		}
  9666  		y := v_0_0.AuxInt
  9667  		x := v_0.Args[1]
  9668  		if !(y&0xFF == 0xFF) {
  9669  			break
  9670  		}
  9671  		v.reset(OpTrunc32to8)
  9672  		v.AddArg(x)
  9673  		return true
  9674  	}
  9675  	return false
  9676  }
  9677  func rewriteValuegeneric_OpTrunc64to16(v *Value, config *Config) bool {
  9678  	b := v.Block
  9679  	_ = b
  9680  	// match: (Trunc64to16 (Const64 [c]))
  9681  	// cond:
  9682  	// result: (Const16  [int64(int16(c))])
  9683  	for {
  9684  		v_0 := v.Args[0]
  9685  		if v_0.Op != OpConst64 {
  9686  			break
  9687  		}
  9688  		c := v_0.AuxInt
  9689  		v.reset(OpConst16)
  9690  		v.AuxInt = int64(int16(c))
  9691  		return true
  9692  	}
  9693  	// match: (Trunc64to16 (And64 (Const64 [y]) x))
  9694  	// cond: y&0xFFFF == 0xFFFF
  9695  	// result: (Trunc64to16 x)
  9696  	for {
  9697  		v_0 := v.Args[0]
  9698  		if v_0.Op != OpAnd64 {
  9699  			break
  9700  		}
  9701  		v_0_0 := v_0.Args[0]
  9702  		if v_0_0.Op != OpConst64 {
  9703  			break
  9704  		}
  9705  		y := v_0_0.AuxInt
  9706  		x := v_0.Args[1]
  9707  		if !(y&0xFFFF == 0xFFFF) {
  9708  			break
  9709  		}
  9710  		v.reset(OpTrunc64to16)
  9711  		v.AddArg(x)
  9712  		return true
  9713  	}
  9714  	return false
  9715  }
  9716  func rewriteValuegeneric_OpTrunc64to32(v *Value, config *Config) bool {
  9717  	b := v.Block
  9718  	_ = b
  9719  	// match: (Trunc64to32 (Const64 [c]))
  9720  	// cond:
  9721  	// result: (Const32  [int64(int32(c))])
  9722  	for {
  9723  		v_0 := v.Args[0]
  9724  		if v_0.Op != OpConst64 {
  9725  			break
  9726  		}
  9727  		c := v_0.AuxInt
  9728  		v.reset(OpConst32)
  9729  		v.AuxInt = int64(int32(c))
  9730  		return true
  9731  	}
  9732  	// match: (Trunc64to32 (And64 (Const64 [y]) x))
  9733  	// cond: y&0xFFFFFFFF == 0xFFFFFFFF
  9734  	// result: (Trunc64to32 x)
  9735  	for {
  9736  		v_0 := v.Args[0]
  9737  		if v_0.Op != OpAnd64 {
  9738  			break
  9739  		}
  9740  		v_0_0 := v_0.Args[0]
  9741  		if v_0_0.Op != OpConst64 {
  9742  			break
  9743  		}
  9744  		y := v_0_0.AuxInt
  9745  		x := v_0.Args[1]
  9746  		if !(y&0xFFFFFFFF == 0xFFFFFFFF) {
  9747  			break
  9748  		}
  9749  		v.reset(OpTrunc64to32)
  9750  		v.AddArg(x)
  9751  		return true
  9752  	}
  9753  	return false
  9754  }
  9755  func rewriteValuegeneric_OpTrunc64to8(v *Value, config *Config) bool {
  9756  	b := v.Block
  9757  	_ = b
  9758  	// match: (Trunc64to8  (Const64 [c]))
  9759  	// cond:
  9760  	// result: (Const8   [int64(int8(c))])
  9761  	for {
  9762  		v_0 := v.Args[0]
  9763  		if v_0.Op != OpConst64 {
  9764  			break
  9765  		}
  9766  		c := v_0.AuxInt
  9767  		v.reset(OpConst8)
  9768  		v.AuxInt = int64(int8(c))
  9769  		return true
  9770  	}
  9771  	// match: (Trunc64to8  (And64 (Const64 [y]) x))
  9772  	// cond: y&0xFF == 0xFF
  9773  	// result: (Trunc64to8 x)
  9774  	for {
  9775  		v_0 := v.Args[0]
  9776  		if v_0.Op != OpAnd64 {
  9777  			break
  9778  		}
  9779  		v_0_0 := v_0.Args[0]
  9780  		if v_0_0.Op != OpConst64 {
  9781  			break
  9782  		}
  9783  		y := v_0_0.AuxInt
  9784  		x := v_0.Args[1]
  9785  		if !(y&0xFF == 0xFF) {
  9786  			break
  9787  		}
  9788  		v.reset(OpTrunc64to8)
  9789  		v.AddArg(x)
  9790  		return true
  9791  	}
  9792  	return false
  9793  }
  9794  func rewriteValuegeneric_OpXor16(v *Value, config *Config) bool {
  9795  	b := v.Block
  9796  	_ = b
  9797  	// match: (Xor16 x (Const16 <t> [c]))
  9798  	// cond: x.Op != OpConst16
  9799  	// result: (Xor16 (Const16 <t> [c]) x)
  9800  	for {
  9801  		x := v.Args[0]
  9802  		v_1 := v.Args[1]
  9803  		if v_1.Op != OpConst16 {
  9804  			break
  9805  		}
  9806  		t := v_1.Type
  9807  		c := v_1.AuxInt
  9808  		if !(x.Op != OpConst16) {
  9809  			break
  9810  		}
  9811  		v.reset(OpXor16)
  9812  		v0 := b.NewValue0(v.Line, OpConst16, t)
  9813  		v0.AuxInt = c
  9814  		v.AddArg(v0)
  9815  		v.AddArg(x)
  9816  		return true
  9817  	}
  9818  	// match: (Xor16 x x)
  9819  	// cond:
  9820  	// result: (Const16 [0])
  9821  	for {
  9822  		x := v.Args[0]
  9823  		if x != v.Args[1] {
  9824  			break
  9825  		}
  9826  		v.reset(OpConst16)
  9827  		v.AuxInt = 0
  9828  		return true
  9829  	}
  9830  	// match: (Xor16 (Const16 [0]) x)
  9831  	// cond:
  9832  	// result: x
  9833  	for {
  9834  		v_0 := v.Args[0]
  9835  		if v_0.Op != OpConst16 {
  9836  			break
  9837  		}
  9838  		if v_0.AuxInt != 0 {
  9839  			break
  9840  		}
  9841  		x := v.Args[1]
  9842  		v.reset(OpCopy)
  9843  		v.Type = x.Type
  9844  		v.AddArg(x)
  9845  		return true
  9846  	}
  9847  	// match: (Xor16 x (Xor16 x y))
  9848  	// cond:
  9849  	// result: y
  9850  	for {
  9851  		x := v.Args[0]
  9852  		v_1 := v.Args[1]
  9853  		if v_1.Op != OpXor16 {
  9854  			break
  9855  		}
  9856  		if x != v_1.Args[0] {
  9857  			break
  9858  		}
  9859  		y := v_1.Args[1]
  9860  		v.reset(OpCopy)
  9861  		v.Type = y.Type
  9862  		v.AddArg(y)
  9863  		return true
  9864  	}
  9865  	// match: (Xor16 x (Xor16 y x))
  9866  	// cond:
  9867  	// result: y
  9868  	for {
  9869  		x := v.Args[0]
  9870  		v_1 := v.Args[1]
  9871  		if v_1.Op != OpXor16 {
  9872  			break
  9873  		}
  9874  		y := v_1.Args[0]
  9875  		if x != v_1.Args[1] {
  9876  			break
  9877  		}
  9878  		v.reset(OpCopy)
  9879  		v.Type = y.Type
  9880  		v.AddArg(y)
  9881  		return true
  9882  	}
  9883  	// match: (Xor16 (Xor16 x y) x)
  9884  	// cond:
  9885  	// result: y
  9886  	for {
  9887  		v_0 := v.Args[0]
  9888  		if v_0.Op != OpXor16 {
  9889  			break
  9890  		}
  9891  		x := v_0.Args[0]
  9892  		y := v_0.Args[1]
  9893  		if x != v.Args[1] {
  9894  			break
  9895  		}
  9896  		v.reset(OpCopy)
  9897  		v.Type = y.Type
  9898  		v.AddArg(y)
  9899  		return true
  9900  	}
  9901  	// match: (Xor16 (Xor16 x y) y)
  9902  	// cond:
  9903  	// result: x
  9904  	for {
  9905  		v_0 := v.Args[0]
  9906  		if v_0.Op != OpXor16 {
  9907  			break
  9908  		}
  9909  		x := v_0.Args[0]
  9910  		y := v_0.Args[1]
  9911  		if y != v.Args[1] {
  9912  			break
  9913  		}
  9914  		v.reset(OpCopy)
  9915  		v.Type = x.Type
  9916  		v.AddArg(x)
  9917  		return true
  9918  	}
  9919  	return false
  9920  }
  9921  func rewriteValuegeneric_OpXor32(v *Value, config *Config) bool {
  9922  	b := v.Block
  9923  	_ = b
  9924  	// match: (Xor32 x (Const32 <t> [c]))
  9925  	// cond: x.Op != OpConst32
  9926  	// result: (Xor32 (Const32 <t> [c]) x)
  9927  	for {
  9928  		x := v.Args[0]
  9929  		v_1 := v.Args[1]
  9930  		if v_1.Op != OpConst32 {
  9931  			break
  9932  		}
  9933  		t := v_1.Type
  9934  		c := v_1.AuxInt
  9935  		if !(x.Op != OpConst32) {
  9936  			break
  9937  		}
  9938  		v.reset(OpXor32)
  9939  		v0 := b.NewValue0(v.Line, OpConst32, t)
  9940  		v0.AuxInt = c
  9941  		v.AddArg(v0)
  9942  		v.AddArg(x)
  9943  		return true
  9944  	}
  9945  	// match: (Xor32 x x)
  9946  	// cond:
  9947  	// result: (Const32 [0])
  9948  	for {
  9949  		x := v.Args[0]
  9950  		if x != v.Args[1] {
  9951  			break
  9952  		}
  9953  		v.reset(OpConst32)
  9954  		v.AuxInt = 0
  9955  		return true
  9956  	}
  9957  	// match: (Xor32 (Const32 [0]) x)
  9958  	// cond:
  9959  	// result: x
  9960  	for {
  9961  		v_0 := v.Args[0]
  9962  		if v_0.Op != OpConst32 {
  9963  			break
  9964  		}
  9965  		if v_0.AuxInt != 0 {
  9966  			break
  9967  		}
  9968  		x := v.Args[1]
  9969  		v.reset(OpCopy)
  9970  		v.Type = x.Type
  9971  		v.AddArg(x)
  9972  		return true
  9973  	}
  9974  	// match: (Xor32 x (Xor32 x y))
  9975  	// cond:
  9976  	// result: y
  9977  	for {
  9978  		x := v.Args[0]
  9979  		v_1 := v.Args[1]
  9980  		if v_1.Op != OpXor32 {
  9981  			break
  9982  		}
  9983  		if x != v_1.Args[0] {
  9984  			break
  9985  		}
  9986  		y := v_1.Args[1]
  9987  		v.reset(OpCopy)
  9988  		v.Type = y.Type
  9989  		v.AddArg(y)
  9990  		return true
  9991  	}
  9992  	// match: (Xor32 x (Xor32 y x))
  9993  	// cond:
  9994  	// result: y
  9995  	for {
  9996  		x := v.Args[0]
  9997  		v_1 := v.Args[1]
  9998  		if v_1.Op != OpXor32 {
  9999  			break
 10000  		}
 10001  		y := v_1.Args[0]
 10002  		if x != v_1.Args[1] {
 10003  			break
 10004  		}
 10005  		v.reset(OpCopy)
 10006  		v.Type = y.Type
 10007  		v.AddArg(y)
 10008  		return true
 10009  	}
 10010  	// match: (Xor32 (Xor32 x y) x)
 10011  	// cond:
 10012  	// result: y
 10013  	for {
 10014  		v_0 := v.Args[0]
 10015  		if v_0.Op != OpXor32 {
 10016  			break
 10017  		}
 10018  		x := v_0.Args[0]
 10019  		y := v_0.Args[1]
 10020  		if x != v.Args[1] {
 10021  			break
 10022  		}
 10023  		v.reset(OpCopy)
 10024  		v.Type = y.Type
 10025  		v.AddArg(y)
 10026  		return true
 10027  	}
 10028  	// match: (Xor32 (Xor32 x y) y)
 10029  	// cond:
 10030  	// result: x
 10031  	for {
 10032  		v_0 := v.Args[0]
 10033  		if v_0.Op != OpXor32 {
 10034  			break
 10035  		}
 10036  		x := v_0.Args[0]
 10037  		y := v_0.Args[1]
 10038  		if y != v.Args[1] {
 10039  			break
 10040  		}
 10041  		v.reset(OpCopy)
 10042  		v.Type = x.Type
 10043  		v.AddArg(x)
 10044  		return true
 10045  	}
 10046  	return false
 10047  }
 10048  func rewriteValuegeneric_OpXor64(v *Value, config *Config) bool {
 10049  	b := v.Block
 10050  	_ = b
 10051  	// match: (Xor64 x (Const64 <t> [c]))
 10052  	// cond: x.Op != OpConst64
 10053  	// result: (Xor64 (Const64 <t> [c]) x)
 10054  	for {
 10055  		x := v.Args[0]
 10056  		v_1 := v.Args[1]
 10057  		if v_1.Op != OpConst64 {
 10058  			break
 10059  		}
 10060  		t := v_1.Type
 10061  		c := v_1.AuxInt
 10062  		if !(x.Op != OpConst64) {
 10063  			break
 10064  		}
 10065  		v.reset(OpXor64)
 10066  		v0 := b.NewValue0(v.Line, OpConst64, t)
 10067  		v0.AuxInt = c
 10068  		v.AddArg(v0)
 10069  		v.AddArg(x)
 10070  		return true
 10071  	}
 10072  	// match: (Xor64 x x)
 10073  	// cond:
 10074  	// result: (Const64 [0])
 10075  	for {
 10076  		x := v.Args[0]
 10077  		if x != v.Args[1] {
 10078  			break
 10079  		}
 10080  		v.reset(OpConst64)
 10081  		v.AuxInt = 0
 10082  		return true
 10083  	}
 10084  	// match: (Xor64 (Const64 [0]) x)
 10085  	// cond:
 10086  	// result: x
 10087  	for {
 10088  		v_0 := v.Args[0]
 10089  		if v_0.Op != OpConst64 {
 10090  			break
 10091  		}
 10092  		if v_0.AuxInt != 0 {
 10093  			break
 10094  		}
 10095  		x := v.Args[1]
 10096  		v.reset(OpCopy)
 10097  		v.Type = x.Type
 10098  		v.AddArg(x)
 10099  		return true
 10100  	}
 10101  	// match: (Xor64 x (Xor64 x y))
 10102  	// cond:
 10103  	// result: y
 10104  	for {
 10105  		x := v.Args[0]
 10106  		v_1 := v.Args[1]
 10107  		if v_1.Op != OpXor64 {
 10108  			break
 10109  		}
 10110  		if x != v_1.Args[0] {
 10111  			break
 10112  		}
 10113  		y := v_1.Args[1]
 10114  		v.reset(OpCopy)
 10115  		v.Type = y.Type
 10116  		v.AddArg(y)
 10117  		return true
 10118  	}
 10119  	// match: (Xor64 x (Xor64 y x))
 10120  	// cond:
 10121  	// result: y
 10122  	for {
 10123  		x := v.Args[0]
 10124  		v_1 := v.Args[1]
 10125  		if v_1.Op != OpXor64 {
 10126  			break
 10127  		}
 10128  		y := v_1.Args[0]
 10129  		if x != v_1.Args[1] {
 10130  			break
 10131  		}
 10132  		v.reset(OpCopy)
 10133  		v.Type = y.Type
 10134  		v.AddArg(y)
 10135  		return true
 10136  	}
 10137  	// match: (Xor64 (Xor64 x y) x)
 10138  	// cond:
 10139  	// result: y
 10140  	for {
 10141  		v_0 := v.Args[0]
 10142  		if v_0.Op != OpXor64 {
 10143  			break
 10144  		}
 10145  		x := v_0.Args[0]
 10146  		y := v_0.Args[1]
 10147  		if x != v.Args[1] {
 10148  			break
 10149  		}
 10150  		v.reset(OpCopy)
 10151  		v.Type = y.Type
 10152  		v.AddArg(y)
 10153  		return true
 10154  	}
 10155  	// match: (Xor64 (Xor64 x y) y)
 10156  	// cond:
 10157  	// result: x
 10158  	for {
 10159  		v_0 := v.Args[0]
 10160  		if v_0.Op != OpXor64 {
 10161  			break
 10162  		}
 10163  		x := v_0.Args[0]
 10164  		y := v_0.Args[1]
 10165  		if y != v.Args[1] {
 10166  			break
 10167  		}
 10168  		v.reset(OpCopy)
 10169  		v.Type = x.Type
 10170  		v.AddArg(x)
 10171  		return true
 10172  	}
 10173  	return false
 10174  }
 10175  func rewriteValuegeneric_OpXor8(v *Value, config *Config) bool {
 10176  	b := v.Block
 10177  	_ = b
 10178  	// match: (Xor8  x (Const8  <t> [c]))
 10179  	// cond: x.Op != OpConst8
 10180  	// result: (Xor8  (Const8  <t> [c]) x)
 10181  	for {
 10182  		x := v.Args[0]
 10183  		v_1 := v.Args[1]
 10184  		if v_1.Op != OpConst8 {
 10185  			break
 10186  		}
 10187  		t := v_1.Type
 10188  		c := v_1.AuxInt
 10189  		if !(x.Op != OpConst8) {
 10190  			break
 10191  		}
 10192  		v.reset(OpXor8)
 10193  		v0 := b.NewValue0(v.Line, OpConst8, t)
 10194  		v0.AuxInt = c
 10195  		v.AddArg(v0)
 10196  		v.AddArg(x)
 10197  		return true
 10198  	}
 10199  	// match: (Xor8  x x)
 10200  	// cond:
 10201  	// result: (Const8  [0])
 10202  	for {
 10203  		x := v.Args[0]
 10204  		if x != v.Args[1] {
 10205  			break
 10206  		}
 10207  		v.reset(OpConst8)
 10208  		v.AuxInt = 0
 10209  		return true
 10210  	}
 10211  	// match: (Xor8  (Const8  [0]) x)
 10212  	// cond:
 10213  	// result: x
 10214  	for {
 10215  		v_0 := v.Args[0]
 10216  		if v_0.Op != OpConst8 {
 10217  			break
 10218  		}
 10219  		if v_0.AuxInt != 0 {
 10220  			break
 10221  		}
 10222  		x := v.Args[1]
 10223  		v.reset(OpCopy)
 10224  		v.Type = x.Type
 10225  		v.AddArg(x)
 10226  		return true
 10227  	}
 10228  	// match: (Xor8  x (Xor8  x y))
 10229  	// cond:
 10230  	// result: y
 10231  	for {
 10232  		x := v.Args[0]
 10233  		v_1 := v.Args[1]
 10234  		if v_1.Op != OpXor8 {
 10235  			break
 10236  		}
 10237  		if x != v_1.Args[0] {
 10238  			break
 10239  		}
 10240  		y := v_1.Args[1]
 10241  		v.reset(OpCopy)
 10242  		v.Type = y.Type
 10243  		v.AddArg(y)
 10244  		return true
 10245  	}
 10246  	// match: (Xor8  x (Xor8  y x))
 10247  	// cond:
 10248  	// result: y
 10249  	for {
 10250  		x := v.Args[0]
 10251  		v_1 := v.Args[1]
 10252  		if v_1.Op != OpXor8 {
 10253  			break
 10254  		}
 10255  		y := v_1.Args[0]
 10256  		if x != v_1.Args[1] {
 10257  			break
 10258  		}
 10259  		v.reset(OpCopy)
 10260  		v.Type = y.Type
 10261  		v.AddArg(y)
 10262  		return true
 10263  	}
 10264  	// match: (Xor8  (Xor8  x y) x)
 10265  	// cond:
 10266  	// result: y
 10267  	for {
 10268  		v_0 := v.Args[0]
 10269  		if v_0.Op != OpXor8 {
 10270  			break
 10271  		}
 10272  		x := v_0.Args[0]
 10273  		y := v_0.Args[1]
 10274  		if x != v.Args[1] {
 10275  			break
 10276  		}
 10277  		v.reset(OpCopy)
 10278  		v.Type = y.Type
 10279  		v.AddArg(y)
 10280  		return true
 10281  	}
 10282  	// match: (Xor8  (Xor8  x y) y)
 10283  	// cond:
 10284  	// result: x
 10285  	for {
 10286  		v_0 := v.Args[0]
 10287  		if v_0.Op != OpXor8 {
 10288  			break
 10289  		}
 10290  		x := v_0.Args[0]
 10291  		y := v_0.Args[1]
 10292  		if y != v.Args[1] {
 10293  			break
 10294  		}
 10295  		v.reset(OpCopy)
 10296  		v.Type = x.Type
 10297  		v.AddArg(x)
 10298  		return true
 10299  	}
 10300  	return false
 10301  }
 10302  func rewriteBlockgeneric(b *Block) bool {
 10303  	switch b.Kind {
 10304  	case BlockCheck:
 10305  		// match: (Check (NilCheck (GetG _) _) next)
 10306  		// cond:
 10307  		// result: (Plain nil next)
 10308  		for {
 10309  			v := b.Control
 10310  			if v.Op != OpNilCheck {
 10311  				break
 10312  			}
 10313  			v_0 := v.Args[0]
 10314  			if v_0.Op != OpGetG {
 10315  				break
 10316  			}
 10317  			next := b.Succs[0]
 10318  			b.Kind = BlockPlain
 10319  			b.SetControl(nil)
 10320  			_ = next
 10321  			return true
 10322  		}
 10323  	case BlockIf:
 10324  		// match: (If (Not cond) yes no)
 10325  		// cond:
 10326  		// result: (If cond no yes)
 10327  		for {
 10328  			v := b.Control
 10329  			if v.Op != OpNot {
 10330  				break
 10331  			}
 10332  			cond := v.Args[0]
 10333  			yes := b.Succs[0]
 10334  			no := b.Succs[1]
 10335  			b.Kind = BlockIf
 10336  			b.SetControl(cond)
 10337  			b.swapSuccessors()
 10338  			_ = no
 10339  			_ = yes
 10340  			return true
 10341  		}
 10342  		// match: (If (ConstBool [c]) yes no)
 10343  		// cond: c == 1
 10344  		// result: (First nil yes no)
 10345  		for {
 10346  			v := b.Control
 10347  			if v.Op != OpConstBool {
 10348  				break
 10349  			}
 10350  			c := v.AuxInt
 10351  			yes := b.Succs[0]
 10352  			no := b.Succs[1]
 10353  			if !(c == 1) {
 10354  				break
 10355  			}
 10356  			b.Kind = BlockFirst
 10357  			b.SetControl(nil)
 10358  			_ = yes
 10359  			_ = no
 10360  			return true
 10361  		}
 10362  		// match: (If (ConstBool [c]) yes no)
 10363  		// cond: c == 0
 10364  		// result: (First nil no yes)
 10365  		for {
 10366  			v := b.Control
 10367  			if v.Op != OpConstBool {
 10368  				break
 10369  			}
 10370  			c := v.AuxInt
 10371  			yes := b.Succs[0]
 10372  			no := b.Succs[1]
 10373  			if !(c == 0) {
 10374  				break
 10375  			}
 10376  			b.Kind = BlockFirst
 10377  			b.SetControl(nil)
 10378  			b.swapSuccessors()
 10379  			_ = no
 10380  			_ = yes
 10381  			return true
 10382  		}
 10383  	}
 10384  	return false
 10385  }