diff --git a/src/cmd/compile/internal/ssa/gen/generic.rules b/src/cmd/compile/internal/ssa/gen/generic.rules index 28e45376df..b71aa14ff0 100644 --- a/src/cmd/compile/internal/ssa/gen/generic.rules +++ b/src/cmd/compile/internal/ssa/gen/generic.rules @@ -38,127 +38,128 @@ // For now, the generated successors must be a permutation of the matched successors. // constant folding -(Trunc16to8 (Const16 [c])) -> (Const8 [int64(int8(c))]) -(Trunc32to8 (Const32 [c])) -> (Const8 [int64(int8(c))]) -(Trunc32to16 (Const32 [c])) -> (Const16 [int64(int16(c))]) -(Trunc64to8 (Const64 [c])) -> (Const8 [int64(int8(c))]) -(Trunc64to16 (Const64 [c])) -> (Const16 [int64(int16(c))]) -(Trunc64to32 (Const64 [c])) -> (Const32 [int64(int32(c))]) -(Cvt64Fto32F (Const64F [c])) -> (Const32F [auxFrom32F(float32(auxTo64F(c)))]) -(Cvt32Fto64F (Const32F [c])) -> (Const64F [c]) // c is already a 64 bit float -(Cvt32to32F (Const32 [c])) -> (Const32F [auxFrom32F(float32(int32(c)))]) -(Cvt32to64F (Const32 [c])) -> (Const64F [auxFrom64F(float64(int32(c)))]) -(Cvt64to32F (Const64 [c])) -> (Const32F [auxFrom32F(float32(c))]) -(Cvt64to64F (Const64 [c])) -> (Const64F [auxFrom64F(float64(c))]) -(Cvt32Fto32 (Const32F [c])) -> (Const32 [int64(int32(auxTo32F(c)))]) -(Cvt32Fto64 (Const32F [c])) -> (Const64 [int64(auxTo32F(c))]) -(Cvt64Fto32 (Const64F [c])) -> (Const32 [int64(int32(auxTo64F(c)))]) -(Cvt64Fto64 (Const64F [c])) -> (Const64 [int64(auxTo64F(c))]) -(Round32F x:(Const32F)) -> x -(Round64F x:(Const64F)) -> x -(CvtBoolToUint8 (ConstBool [c])) -> (Const8 [c]) +(Trunc16to8 (Const16 [c])) => (Const8 [int8(c)]) +(Trunc32to8 (Const32 [c])) => (Const8 [int8(c)]) +(Trunc32to16 (Const32 [c])) => (Const16 [int16(c)]) +(Trunc64to8 (Const64 [c])) => (Const8 [int8(c)]) +(Trunc64to16 (Const64 [c])) => (Const16 [int16(c)]) +(Trunc64to32 (Const64 [c])) => (Const32 [int32(c)]) +(Cvt64Fto32F (Const64F [c])) => (Const32F [float32(c)]) +(Cvt32Fto64F (Const32F [c])) => (Const64F [float64(c)]) +(Cvt32to32F (Const32 [c])) => (Const32F [float32(c)]) +(Cvt32to64F (Const32 [c])) => (Const64F [float64(c)]) +(Cvt64to32F (Const64 [c])) => (Const32F [float32(c)]) +(Cvt64to64F (Const64 [c])) => (Const64F [float64(c)]) +(Cvt32Fto32 (Const32F [c])) => (Const32 [int32(c)]) +(Cvt32Fto64 (Const32F [c])) => (Const64 [int64(c)]) +(Cvt64Fto32 (Const64F [c])) => (Const32 [int32(c)]) +(Cvt64Fto64 (Const64F [c])) => (Const64 [int64(c)]) +(Round32F x:(Const32F)) => x +(Round64F x:(Const64F)) => x +(CvtBoolToUint8 (ConstBool [false])) => (Const8 [0]) +(CvtBoolToUint8 (ConstBool [true])) => (Const8 [1]) -(Trunc16to8 (ZeroExt8to16 x)) -> x -(Trunc32to8 (ZeroExt8to32 x)) -> x -(Trunc32to16 (ZeroExt8to32 x)) -> (ZeroExt8to16 x) -(Trunc32to16 (ZeroExt16to32 x)) -> x -(Trunc64to8 (ZeroExt8to64 x)) -> x -(Trunc64to16 (ZeroExt8to64 x)) -> (ZeroExt8to16 x) -(Trunc64to16 (ZeroExt16to64 x)) -> x -(Trunc64to32 (ZeroExt8to64 x)) -> (ZeroExt8to32 x) -(Trunc64to32 (ZeroExt16to64 x)) -> (ZeroExt16to32 x) -(Trunc64to32 (ZeroExt32to64 x)) -> x -(Trunc16to8 (SignExt8to16 x)) -> x -(Trunc32to8 (SignExt8to32 x)) -> x -(Trunc32to16 (SignExt8to32 x)) -> (SignExt8to16 x) -(Trunc32to16 (SignExt16to32 x)) -> x -(Trunc64to8 (SignExt8to64 x)) -> x -(Trunc64to16 (SignExt8to64 x)) -> (SignExt8to16 x) -(Trunc64to16 (SignExt16to64 x)) -> x -(Trunc64to32 (SignExt8to64 x)) -> (SignExt8to32 x) -(Trunc64to32 (SignExt16to64 x)) -> (SignExt16to32 x) -(Trunc64to32 (SignExt32to64 x)) -> x +(Trunc16to8 (ZeroExt8to16 x)) => x +(Trunc32to8 (ZeroExt8to32 x)) => x +(Trunc32to16 (ZeroExt8to32 x)) => (ZeroExt8to16 x) +(Trunc32to16 (ZeroExt16to32 x)) => x +(Trunc64to8 (ZeroExt8to64 x)) => x +(Trunc64to16 (ZeroExt8to64 x)) => (ZeroExt8to16 x) +(Trunc64to16 (ZeroExt16to64 x)) => x +(Trunc64to32 (ZeroExt8to64 x)) => (ZeroExt8to32 x) +(Trunc64to32 (ZeroExt16to64 x)) => (ZeroExt16to32 x) +(Trunc64to32 (ZeroExt32to64 x)) => x +(Trunc16to8 (SignExt8to16 x)) => x +(Trunc32to8 (SignExt8to32 x)) => x +(Trunc32to16 (SignExt8to32 x)) => (SignExt8to16 x) +(Trunc32to16 (SignExt16to32 x)) => x +(Trunc64to8 (SignExt8to64 x)) => x +(Trunc64to16 (SignExt8to64 x)) => (SignExt8to16 x) +(Trunc64to16 (SignExt16to64 x)) => x +(Trunc64to32 (SignExt8to64 x)) => (SignExt8to32 x) +(Trunc64to32 (SignExt16to64 x)) => (SignExt16to32 x) +(Trunc64to32 (SignExt32to64 x)) => x -(ZeroExt8to16 (Const8 [c])) -> (Const16 [int64( uint8(c))]) -(ZeroExt8to32 (Const8 [c])) -> (Const32 [int64( uint8(c))]) -(ZeroExt8to64 (Const8 [c])) -> (Const64 [int64( uint8(c))]) -(ZeroExt16to32 (Const16 [c])) -> (Const32 [int64(uint16(c))]) -(ZeroExt16to64 (Const16 [c])) -> (Const64 [int64(uint16(c))]) -(ZeroExt32to64 (Const32 [c])) -> (Const64 [int64(uint32(c))]) -(SignExt8to16 (Const8 [c])) -> (Const16 [int64( int8(c))]) -(SignExt8to32 (Const8 [c])) -> (Const32 [int64( int8(c))]) -(SignExt8to64 (Const8 [c])) -> (Const64 [int64( int8(c))]) -(SignExt16to32 (Const16 [c])) -> (Const32 [int64( int16(c))]) -(SignExt16to64 (Const16 [c])) -> (Const64 [int64( int16(c))]) -(SignExt32to64 (Const32 [c])) -> (Const64 [int64( int32(c))]) +(ZeroExt8to16 (Const8 [c])) => (Const16 [int16( uint8(c))]) +(ZeroExt8to32 (Const8 [c])) => (Const32 [int32( uint8(c))]) +(ZeroExt8to64 (Const8 [c])) => (Const64 [int64( uint8(c))]) +(ZeroExt16to32 (Const16 [c])) => (Const32 [int32(uint16(c))]) +(ZeroExt16to64 (Const16 [c])) => (Const64 [int64(uint16(c))]) +(ZeroExt32to64 (Const32 [c])) => (Const64 [int64(uint32(c))]) +(SignExt8to16 (Const8 [c])) => (Const16 [int16(c)]) +(SignExt8to32 (Const8 [c])) => (Const32 [int32(c)]) +(SignExt8to64 (Const8 [c])) => (Const64 [int64(c)]) +(SignExt16to32 (Const16 [c])) => (Const32 [int32(c)]) +(SignExt16to64 (Const16 [c])) => (Const64 [int64(c)]) +(SignExt32to64 (Const32 [c])) => (Const64 [int64(c)]) -(Neg8 (Const8 [c])) -> (Const8 [int64( -int8(c))]) -(Neg16 (Const16 [c])) -> (Const16 [int64(-int16(c))]) -(Neg32 (Const32 [c])) -> (Const32 [int64(-int32(c))]) -(Neg64 (Const64 [c])) -> (Const64 [-c]) -(Neg32F (Const32F [c])) && auxTo32F(c) != 0 -> (Const32F [auxFrom32F(-auxTo32F(c))]) -(Neg64F (Const64F [c])) && auxTo64F(c) != 0 -> (Const64F [auxFrom64F(-auxTo64F(c))]) +(Neg8 (Const8 [c])) => (Const8 [-c]) +(Neg16 (Const16 [c])) => (Const16 [-c]) +(Neg32 (Const32 [c])) => (Const32 [-c]) +(Neg64 (Const64 [c])) => (Const64 [-c]) +(Neg32F (Const32F [c])) && c != 0 => (Const32F [-c]) +(Neg64F (Const64F [c])) && c != 0 => (Const64F [-c]) -(Add8 (Const8 [c]) (Const8 [d])) -> (Const8 [int64(int8(c+d))]) -(Add16 (Const16 [c]) (Const16 [d])) -> (Const16 [int64(int16(c+d))]) -(Add32 (Const32 [c]) (Const32 [d])) -> (Const32 [int64(int32(c+d))]) -(Add64 (Const64 [c]) (Const64 [d])) -> (Const64 [c+d]) -(Add32F (Const32F [c]) (Const32F [d])) && !math.IsNaN(float64(auxTo32F(c) + auxTo32F(d))) -> (Const32F [auxFrom32F(auxTo32F(c) + auxTo32F(d))]) -(Add64F (Const64F [c]) (Const64F [d])) && !math.IsNaN(auxTo64F(c) + auxTo64F(d)) -> (Const64F [auxFrom64F(auxTo64F(c) + auxTo64F(d))]) -(AddPtr x (Const64 [c])) -> (OffPtr x [c]) -(AddPtr x (Const32 [c])) -> (OffPtr x [c]) +(Add8 (Const8 [c]) (Const8 [d])) => (Const8 [c+d]) +(Add16 (Const16 [c]) (Const16 [d])) => (Const16 [c+d]) +(Add32 (Const32 [c]) (Const32 [d])) => (Const32 [c+d]) +(Add64 (Const64 [c]) (Const64 [d])) => (Const64 [c+d]) +(Add32F (Const32F [c]) (Const32F [d])) && c+d == c+d => (Const32F [c+d]) +(Add64F (Const64F [c]) (Const64F [d])) && c+d == c+d => (Const64F [c+d]) +(AddPtr x (Const64 [c])) => (OffPtr x [c]) +(AddPtr x (Const32 [c])) => (OffPtr x [int64(c)]) -(Sub8 (Const8 [c]) (Const8 [d])) -> (Const8 [int64(int8(c-d))]) -(Sub16 (Const16 [c]) (Const16 [d])) -> (Const16 [int64(int16(c-d))]) -(Sub32 (Const32 [c]) (Const32 [d])) -> (Const32 [int64(int32(c-d))]) -(Sub64 (Const64 [c]) (Const64 [d])) -> (Const64 [c-d]) -(Sub32F (Const32F [c]) (Const32F [d])) && !math.IsNaN(float64(auxTo32F(c) - auxTo32F(d))) -> (Const32F [auxFrom32F(auxTo32F(c) - auxTo32F(d))]) -(Sub64F (Const64F [c]) (Const64F [d])) && !math.IsNaN(auxTo64F(c) - auxTo64F(d)) -> (Const64F [auxFrom64F(auxTo64F(c) - auxTo64F(d))]) +(Sub8 (Const8 [c]) (Const8 [d])) => (Const8 [c-d]) +(Sub16 (Const16 [c]) (Const16 [d])) => (Const16 [c-d]) +(Sub32 (Const32 [c]) (Const32 [d])) => (Const32 [c-d]) +(Sub64 (Const64 [c]) (Const64 [d])) => (Const64 [c-d]) +(Sub32F (Const32F [c]) (Const32F [d])) && c-d == c-d => (Const32F [c-d]) +(Sub64F (Const64F [c]) (Const64F [d])) && c-d == c-d => (Const64F [c-d]) -(Mul8 (Const8 [c]) (Const8 [d])) -> (Const8 [int64(int8(c*d))]) -(Mul16 (Const16 [c]) (Const16 [d])) -> (Const16 [int64(int16(c*d))]) -(Mul32 (Const32 [c]) (Const32 [d])) -> (Const32 [int64(int32(c*d))]) -(Mul64 (Const64 [c]) (Const64 [d])) -> (Const64 [c*d]) -(Mul32F (Const32F [c]) (Const32F [d])) && !math.IsNaN(float64(auxTo32F(c) * auxTo32F(d))) -> (Const32F [auxFrom32F(auxTo32F(c) * auxTo32F(d))]) -(Mul64F (Const64F [c]) (Const64F [d])) && !math.IsNaN(auxTo64F(c) * auxTo64F(d)) -> (Const64F [auxFrom64F(auxTo64F(c) * auxTo64F(d))]) +(Mul8 (Const8 [c]) (Const8 [d])) => (Const8 [c*d]) +(Mul16 (Const16 [c]) (Const16 [d])) => (Const16 [c*d]) +(Mul32 (Const32 [c]) (Const32 [d])) => (Const32 [c*d]) +(Mul64 (Const64 [c]) (Const64 [d])) => (Const64 [c*d]) +(Mul32F (Const32F [c]) (Const32F [d])) && c*d == c*d => (Const32F [c*d]) +(Mul64F (Const64F [c]) (Const64F [d])) && c*d == c*d => (Const64F [c*d]) -(And8 (Const8 [c]) (Const8 [d])) -> (Const8 [int64(int8(c&d))]) -(And16 (Const16 [c]) (Const16 [d])) -> (Const16 [int64(int16(c&d))]) -(And32 (Const32 [c]) (Const32 [d])) -> (Const32 [int64(int32(c&d))]) -(And64 (Const64 [c]) (Const64 [d])) -> (Const64 [c&d]) +(And8 (Const8 [c]) (Const8 [d])) => (Const8 [c&d]) +(And16 (Const16 [c]) (Const16 [d])) => (Const16 [c&d]) +(And32 (Const32 [c]) (Const32 [d])) => (Const32 [c&d]) +(And64 (Const64 [c]) (Const64 [d])) => (Const64 [c&d]) -(Or8 (Const8 [c]) (Const8 [d])) -> (Const8 [int64(int8(c|d))]) -(Or16 (Const16 [c]) (Const16 [d])) -> (Const16 [int64(int16(c|d))]) -(Or32 (Const32 [c]) (Const32 [d])) -> (Const32 [int64(int32(c|d))]) -(Or64 (Const64 [c]) (Const64 [d])) -> (Const64 [c|d]) +(Or8 (Const8 [c]) (Const8 [d])) => (Const8 [c|d]) +(Or16 (Const16 [c]) (Const16 [d])) => (Const16 [c|d]) +(Or32 (Const32 [c]) (Const32 [d])) => (Const32 [c|d]) +(Or64 (Const64 [c]) (Const64 [d])) => (Const64 [c|d]) -(Xor8 (Const8 [c]) (Const8 [d])) -> (Const8 [int64(int8(c^d))]) -(Xor16 (Const16 [c]) (Const16 [d])) -> (Const16 [int64(int16(c^d))]) -(Xor32 (Const32 [c]) (Const32 [d])) -> (Const32 [int64(int32(c^d))]) -(Xor64 (Const64 [c]) (Const64 [d])) -> (Const64 [c^d]) +(Xor8 (Const8 [c]) (Const8 [d])) => (Const8 [c^d]) +(Xor16 (Const16 [c]) (Const16 [d])) => (Const16 [c^d]) +(Xor32 (Const32 [c]) (Const32 [d])) => (Const32 [c^d]) +(Xor64 (Const64 [c]) (Const64 [d])) => (Const64 [c^d]) -(Ctz64 (Const64 [c])) && config.PtrSize == 4 -> (Const32 [ntz(c)]) -(Ctz32 (Const32 [c])) && config.PtrSize == 4 -> (Const32 [ntz32(c)]) -(Ctz16 (Const16 [c])) && config.PtrSize == 4 -> (Const32 [ntz16(c)]) -(Ctz8 (Const8 [c])) && config.PtrSize == 4 -> (Const32 [ntz8(c)]) +(Ctz64 (Const64 [c])) && config.PtrSize == 4 => (Const32 [int32(ntz64(c))]) +(Ctz32 (Const32 [c])) && config.PtrSize == 4 => (Const32 [int32(ntz32(c))]) +(Ctz16 (Const16 [c])) && config.PtrSize == 4 => (Const32 [int32(ntz16(c))]) +(Ctz8 (Const8 [c])) && config.PtrSize == 4 => (Const32 [int32(ntz8(c))]) -(Ctz64 (Const64 [c])) && config.PtrSize == 8 -> (Const64 [ntz(c)]) -(Ctz32 (Const32 [c])) && config.PtrSize == 8 -> (Const64 [ntz32(c)]) -(Ctz16 (Const16 [c])) && config.PtrSize == 8 -> (Const64 [ntz16(c)]) -(Ctz8 (Const8 [c])) && config.PtrSize == 8 -> (Const64 [ntz8(c)]) +(Ctz64 (Const64 [c])) && config.PtrSize == 8 => (Const64 [int64(ntz64(c))]) +(Ctz32 (Const32 [c])) && config.PtrSize == 8 => (Const64 [int64(ntz32(c))]) +(Ctz16 (Const16 [c])) && config.PtrSize == 8 => (Const64 [int64(ntz16(c))]) +(Ctz8 (Const8 [c])) && config.PtrSize == 8 => (Const64 [int64(ntz8(c))]) -(Div8 (Const8 [c]) (Const8 [d])) && d != 0 -> (Const8 [int64(int8(c)/int8(d))]) -(Div16 (Const16 [c]) (Const16 [d])) && d != 0 -> (Const16 [int64(int16(c)/int16(d))]) -(Div32 (Const32 [c]) (Const32 [d])) && d != 0 -> (Const32 [int64(int32(c)/int32(d))]) -(Div64 (Const64 [c]) (Const64 [d])) && d != 0 -> (Const64 [c/d]) -(Div8u (Const8 [c]) (Const8 [d])) && d != 0 -> (Const8 [int64(int8(uint8(c)/uint8(d)))]) -(Div16u (Const16 [c]) (Const16 [d])) && d != 0 -> (Const16 [int64(int16(uint16(c)/uint16(d)))]) -(Div32u (Const32 [c]) (Const32 [d])) && d != 0 -> (Const32 [int64(int32(uint32(c)/uint32(d)))]) -(Div64u (Const64 [c]) (Const64 [d])) && d != 0 -> (Const64 [int64(uint64(c)/uint64(d))]) -(Div32F (Const32F [c]) (Const32F [d])) && !math.IsNaN(float64(auxTo32F(c) / auxTo32F(d))) -> (Const32F [auxFrom32F(auxTo32F(c) / auxTo32F(d))]) -(Div64F (Const64F [c]) (Const64F [d])) && !math.IsNaN(auxTo64F(c) / auxTo64F(d)) -> (Const64F [auxFrom64F(auxTo64F(c) / auxTo64F(d))]) -(Select0 (Div128u (Const64 [0]) lo y)) -> (Div64u lo y) -(Select1 (Div128u (Const64 [0]) lo y)) -> (Mod64u lo y) +(Div8 (Const8 [c]) (Const8 [d])) && d != 0 => (Const8 [c/d]) +(Div16 (Const16 [c]) (Const16 [d])) && d != 0 => (Const16 [c/d]) +(Div32 (Const32 [c]) (Const32 [d])) && d != 0 => (Const32 [c/d]) +(Div64 (Const64 [c]) (Const64 [d])) && d != 0 => (Const64 [c/d]) +(Div8u (Const8 [c]) (Const8 [d])) && d != 0 => (Const8 [int8(uint8(c)/uint8(d))]) +(Div16u (Const16 [c]) (Const16 [d])) && d != 0 => (Const16 [int16(uint16(c)/uint16(d))]) +(Div32u (Const32 [c]) (Const32 [d])) && d != 0 => (Const32 [int32(uint32(c)/uint32(d))]) +(Div64u (Const64 [c]) (Const64 [d])) && d != 0 => (Const64 [int64(uint64(c)/uint64(d))]) +(Div32F (Const32F [c]) (Const32F [d])) && c/d == c/d => (Const32F [c/d]) +(Div64F (Const64F [c]) (Const64F [d])) && c/d == c/d => (Const64F [c/d]) +(Select0 (Div128u (Const64 [0]) lo y)) => (Div64u lo y) +(Select1 (Div128u (Const64 [0]) lo y)) => (Mod64u lo y) (Not (ConstBool [c])) -> (ConstBool [1-c]) diff --git a/src/cmd/compile/internal/ssa/gen/rulegen.go b/src/cmd/compile/internal/ssa/gen/rulegen.go index dd08a28ff0..7b8dac3c47 100644 --- a/src/cmd/compile/internal/ssa/gen/rulegen.go +++ b/src/cmd/compile/internal/ssa/gen/rulegen.go @@ -739,11 +739,19 @@ func (w *bodyBase) add(node Statement) { w.list = append(w.list, node) } +// predeclared contains globally known tokens that should not be redefined. +var predeclared = map[string]bool{ + "nil": true, + "false": true, + "true": true, +} + // declared reports if the body contains a Declare or Declare2 with the given name. func (w *bodyBase) declared(name string) bool { - if name == "nil" { - // Treat "nil" as having already been declared. - // This lets us use nil to match an aux field. + if predeclared[name] { + // Treat predeclared names as having already been declared. + // This lets us use nil to match an aux field or + // true and false to match an auxint field. return true } for _, s := range w.list { @@ -1049,7 +1057,7 @@ func genMatch0(rr *RuleRewrite, arch arch, match, v string, cnt map[string]int, alt: breakf("%s.%s.(%s) == %s", v, e.field, e.dclType, e.name), }) case "AuxInt": - rr.add(breakf("%s(%s.%s) != %s", e.dclType, v, e.field, e.name)) + rr.add(breakf("auxIntTo%s(%s.%s) != %s", strings.Title(e.dclType), v, e.field, e.name)) case "Type": rr.add(breakf("%s.%s != %s", v, e.field, e.name)) } @@ -1063,7 +1071,7 @@ func genMatch0(rr *RuleRewrite, arch arch, match, v string, cnt map[string]int, rr.add(declf(e.name, "%s.%s.(%s)", v, e.field, e.dclType)) } case "AuxInt": - rr.add(declf(e.name, "%s(%s.%s)", e.dclType, v, e.field)) + rr.add(declf(e.name, "auxIntTo%s(%s.%s)", strings.Title(e.dclType), v, e.field)) case "Type": rr.add(declf(e.name, "%s.%s", v, e.field)) } @@ -1230,7 +1238,7 @@ func genResult0(rr *RuleRewrite, arch arch, result string, top, move bool, pos s if rr.typed { // Make sure auxint value has the right type. rr.add(stmtf("var _auxint %s = %s", op.auxIntType(), auxint)) - rr.add(stmtf("%s.AuxInt = int64(_auxint)", v)) + rr.add(stmtf("%s.AuxInt = %sToAuxInt(_auxint)", v, op.auxIntType())) } else { rr.add(stmtf("%s.AuxInt = %s", v, auxint)) } @@ -1772,7 +1780,8 @@ func (op opData) auxType() string { // auxIntType returns the Go type that this operation should store in its auxInt field. func (op opData) auxIntType() string { switch op.aux { - //case "Bool": + case "Bool": + return "bool" case "Int8": return "int8" case "Int16": @@ -1782,8 +1791,10 @@ func (op opData) auxIntType() string { case "Int64": return "int64" //case "Int128": - //case "Float32": - //case "Float64": + case "Float32": + return "float32" + case "Float64": + return "float64" case "SymOff": return "int32" case "SymValAndOff": diff --git a/src/cmd/compile/internal/ssa/rewrite.go b/src/cmd/compile/internal/ssa/rewrite.go index 27c6b169e5..60dc4fd702 100644 --- a/src/cmd/compile/internal/ssa/rewrite.go +++ b/src/cmd/compile/internal/ssa/rewrite.go @@ -347,11 +347,12 @@ func nlz(x int64) int64 { return int64(bits.LeadingZeros64(uint64(x))) } -// ntz returns the number of trailing zeros. -func ntz(x int64) int64 { return int64(bits.TrailingZeros64(uint64(x))) } -func ntz32(x int64) int64 { return int64(bits.TrailingZeros32(uint32(x))) } -func ntz16(x int64) int64 { return int64(bits.TrailingZeros16(uint16(x))) } -func ntz8(x int64) int64 { return int64(bits.TrailingZeros8(uint8(x))) } +// ntzX returns the number of trailing zeros. +func ntz(x int64) int64 { return int64(bits.TrailingZeros64(uint64(x))) } // TODO: remove when no longer used +func ntz64(x int64) int { return bits.TrailingZeros64(uint64(x)) } +func ntz32(x int32) int { return bits.TrailingZeros32(uint32(x)) } +func ntz16(x int16) int { return bits.TrailingZeros16(uint16(x)) } +func ntz8(x int8) int { return bits.TrailingZeros8(uint8(x)) } func oneBit(x int64) bool { return bits.OnesCount64(uint64(x)) == 1 @@ -513,6 +514,62 @@ func auxTo64F(i int64) float64 { return math.Float64frombits(uint64(i)) } +func auxIntToBool(i int64) bool { + if i == 0 { + return false + } + return true +} +func auxIntToInt8(i int64) int8 { + return int8(i) +} +func auxIntToInt16(i int64) int16 { + return int16(i) +} +func auxIntToInt32(i int64) int32 { + return int32(i) +} +func auxIntToInt64(i int64) int64 { + return i +} +func auxIntToFloat32(i int64) float32 { + return float32(math.Float64frombits(uint64(i))) +} +func auxIntToFloat64(i int64) float64 { + return math.Float64frombits(uint64(i)) +} +func auxIntToValAndOff(i int64) ValAndOff { + return ValAndOff(i) +} + +func boolToAuxInt(b bool) int64 { + if b { + return 1 + } + return 0 +} +func int8ToAuxInt(i int8) int64 { + return int64(i) +} +func int16ToAuxInt(i int16) int64 { + return int64(i) +} +func int32ToAuxInt(i int32) int64 { + return int64(i) +} +func int64ToAuxInt(i int64) int64 { + return int64(i) +} +func float32ToAuxInt(f float32) int64 { + return int64(math.Float64bits(float64(f))) +} +func float64ToAuxInt(f float64) int64 { + return int64(math.Float64bits(f)) +} +func ValAndOffToAuxInt(v ValAndOff) int64 { + return int64(v) +} + // uaddOvf reports whether unsigned a+b would overflow. func uaddOvf(a, b int64) bool { return uint64(a)+uint64(b) < uint64(a) diff --git a/src/cmd/compile/internal/ssa/rewriteAMD64.go b/src/cmd/compile/internal/ssa/rewriteAMD64.go index 0b566511e4..a392b20e54 100644 --- a/src/cmd/compile/internal/ssa/rewriteAMD64.go +++ b/src/cmd/compile/internal/ssa/rewriteAMD64.go @@ -6940,12 +6940,12 @@ func rewriteValueAMD64_OpAMD64CMPBconst(v *Value) bool { // cond: l.Uses == 1 && clobber(l) // result: @l.Block (CMPBconstload {sym} [makeValAndOff32(int32(c),off)] ptr mem) for { - c := int8(v.AuxInt) + c := auxIntToInt8(v.AuxInt) l := v_0 if l.Op != OpAMD64MOVBload { break } - off := int32(l.AuxInt) + off := auxIntToInt32(l.AuxInt) sym, _ := l.Aux.(Sym) mem := l.Args[1] ptr := l.Args[0] @@ -6956,7 +6956,7 @@ func rewriteValueAMD64_OpAMD64CMPBconst(v *Value) bool { v0 := b.NewValue0(l.Pos, OpAMD64CMPBconstload, types.TypeFlags) v.copyOf(v0) var _auxint ValAndOff = makeValAndOff32(int32(c), off) - v0.AuxInt = int64(_auxint) + v0.AuxInt = ValAndOffToAuxInt(_auxint) var _aux Sym = sym v0.Aux = _aux v0.AddArg2(ptr, mem) @@ -7327,12 +7327,12 @@ func rewriteValueAMD64_OpAMD64CMPLconst(v *Value) bool { // cond: l.Uses == 1 && clobber(l) // result: @l.Block (CMPLconstload {sym} [makeValAndOff32(c,off)] ptr mem) for { - c := int32(v.AuxInt) + c := auxIntToInt32(v.AuxInt) l := v_0 if l.Op != OpAMD64MOVLload { break } - off := int32(l.AuxInt) + off := auxIntToInt32(l.AuxInt) sym, _ := l.Aux.(Sym) mem := l.Args[1] ptr := l.Args[0] @@ -7343,7 +7343,7 @@ func rewriteValueAMD64_OpAMD64CMPLconst(v *Value) bool { v0 := b.NewValue0(l.Pos, OpAMD64CMPLconstload, types.TypeFlags) v.copyOf(v0) var _auxint ValAndOff = makeValAndOff32(c, off) - v0.AuxInt = int64(_auxint) + v0.AuxInt = ValAndOffToAuxInt(_auxint) var _aux Sym = sym v0.Aux = _aux v0.AddArg2(ptr, mem) @@ -7894,12 +7894,12 @@ func rewriteValueAMD64_OpAMD64CMPQconst(v *Value) bool { // cond: l.Uses == 1 && clobber(l) // result: @l.Block (CMPQconstload {sym} [makeValAndOff32(c,off)] ptr mem) for { - c := int32(v.AuxInt) + c := auxIntToInt32(v.AuxInt) l := v_0 if l.Op != OpAMD64MOVQload { break } - off := int32(l.AuxInt) + off := auxIntToInt32(l.AuxInt) sym, _ := l.Aux.(Sym) mem := l.Args[1] ptr := l.Args[0] @@ -7910,7 +7910,7 @@ func rewriteValueAMD64_OpAMD64CMPQconst(v *Value) bool { v0 := b.NewValue0(l.Pos, OpAMD64CMPQconstload, types.TypeFlags) v.copyOf(v0) var _auxint ValAndOff = makeValAndOff32(c, off) - v0.AuxInt = int64(_auxint) + v0.AuxInt = ValAndOffToAuxInt(_auxint) var _aux Sym = sym v0.Aux = _aux v0.AddArg2(ptr, mem) @@ -8266,12 +8266,12 @@ func rewriteValueAMD64_OpAMD64CMPWconst(v *Value) bool { // cond: l.Uses == 1 && clobber(l) // result: @l.Block (CMPWconstload {sym} [makeValAndOff32(int32(c),off)] ptr mem) for { - c := int16(v.AuxInt) + c := auxIntToInt16(v.AuxInt) l := v_0 if l.Op != OpAMD64MOVWload { break } - off := int32(l.AuxInt) + off := auxIntToInt32(l.AuxInt) sym, _ := l.Aux.(Sym) mem := l.Args[1] ptr := l.Args[0] @@ -8282,7 +8282,7 @@ func rewriteValueAMD64_OpAMD64CMPWconst(v *Value) bool { v0 := b.NewValue0(l.Pos, OpAMD64CMPWconstload, types.TypeFlags) v.copyOf(v0) var _auxint ValAndOff = makeValAndOff32(int32(c), off) - v0.AuxInt = int64(_auxint) + v0.AuxInt = ValAndOffToAuxInt(_auxint) var _aux Sym = sym v0.Aux = _aux v0.AddArg2(ptr, mem) diff --git a/src/cmd/compile/internal/ssa/rewritegeneric.go b/src/cmd/compile/internal/ssa/rewritegeneric.go index ad573635c7..54dfcf4495 100644 --- a/src/cmd/compile/internal/ssa/rewritegeneric.go +++ b/src/cmd/compile/internal/ssa/rewritegeneric.go @@ -452,19 +452,20 @@ func rewriteValuegeneric_OpAdd16(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Add16 (Const16 [c]) (Const16 [d])) - // result: (Const16 [int64(int16(c+d))]) + // result: (Const16 [c+d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst16 { continue } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) if v_1.Op != OpConst16 { continue } - d := v_1.AuxInt + d := auxIntToInt16(v_1.AuxInt) v.reset(OpConst16) - v.AuxInt = int64(int16(c + d)) + var _auxint int16 = c + d + v.AuxInt = int16ToAuxInt(_auxint) return true } break @@ -705,19 +706,20 @@ func rewriteValuegeneric_OpAdd32(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Add32 (Const32 [c]) (Const32 [d])) - // result: (Const32 [int64(int32(c+d))]) + // result: (Const32 [c+d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst32 { continue } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) if v_1.Op != OpConst32 { continue } - d := v_1.AuxInt + d := auxIntToInt32(v_1.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(int32(c + d)) + var _auxint int32 = c + d + v.AuxInt = int32ToAuxInt(_auxint) return true } break @@ -957,23 +959,24 @@ func rewriteValuegeneric_OpAdd32F(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (Add32F (Const32F [c]) (Const32F [d])) - // cond: !math.IsNaN(float64(auxTo32F(c) + auxTo32F(d))) - // result: (Const32F [auxFrom32F(auxTo32F(c) + auxTo32F(d))]) + // cond: c+d == c+d + // result: (Const32F [c+d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst32F { continue } - c := v_0.AuxInt + c := auxIntToFloat32(v_0.AuxInt) if v_1.Op != OpConst32F { continue } - d := v_1.AuxInt - if !(!math.IsNaN(float64(auxTo32F(c) + auxTo32F(d)))) { + d := auxIntToFloat32(v_1.AuxInt) + if !(c+d == c+d) { continue } v.reset(OpConst32F) - v.AuxInt = auxFrom32F(auxTo32F(c) + auxTo32F(d)) + var _auxint float32 = c + d + v.AuxInt = float32ToAuxInt(_auxint) return true } break @@ -991,13 +994,14 @@ func rewriteValuegeneric_OpAdd64(v *Value) bool { if v_0.Op != OpConst64 { continue } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) if v_1.Op != OpConst64 { continue } - d := v_1.AuxInt + d := auxIntToInt64(v_1.AuxInt) v.reset(OpConst64) - v.AuxInt = c + d + var _auxint int64 = c + d + v.AuxInt = int64ToAuxInt(_auxint) return true } break @@ -1237,23 +1241,24 @@ func rewriteValuegeneric_OpAdd64F(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (Add64F (Const64F [c]) (Const64F [d])) - // cond: !math.IsNaN(auxTo64F(c) + auxTo64F(d)) - // result: (Const64F [auxFrom64F(auxTo64F(c) + auxTo64F(d))]) + // cond: c+d == c+d + // result: (Const64F [c+d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst64F { continue } - c := v_0.AuxInt + c := auxIntToFloat64(v_0.AuxInt) if v_1.Op != OpConst64F { continue } - d := v_1.AuxInt - if !(!math.IsNaN(auxTo64F(c) + auxTo64F(d))) { + d := auxIntToFloat64(v_1.AuxInt) + if !(c+d == c+d) { continue } v.reset(OpConst64F) - v.AuxInt = auxFrom64F(auxTo64F(c) + auxTo64F(d)) + var _auxint float64 = c + d + v.AuxInt = float64ToAuxInt(_auxint) return true } break @@ -1265,19 +1270,20 @@ func rewriteValuegeneric_OpAdd8(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Add8 (Const8 [c]) (Const8 [d])) - // result: (Const8 [int64(int8(c+d))]) + // result: (Const8 [c+d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst8 { continue } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) if v_1.Op != OpConst8 { continue } - d := v_1.AuxInt + d := auxIntToInt8(v_1.AuxInt) v.reset(OpConst8) - v.AuxInt = int64(int8(c + d)) + var _auxint int8 = c + d + v.AuxInt = int8ToAuxInt(_auxint) return true } break @@ -1524,25 +1530,27 @@ func rewriteValuegeneric_OpAddPtr(v *Value) bool { if v_1.Op != OpConst64 { break } - c := v_1.AuxInt + c := auxIntToInt64(v_1.AuxInt) v.reset(OpOffPtr) v.Type = t - v.AuxInt = c + var _auxint int64 = c + v.AuxInt = int64ToAuxInt(_auxint) v.AddArg(x) return true } // match: (AddPtr x (Const32 [c])) - // result: (OffPtr x [c]) + // result: (OffPtr x [int64(c)]) for { t := v.Type x := v_0 if v_1.Op != OpConst32 { break } - c := v_1.AuxInt + c := auxIntToInt32(v_1.AuxInt) v.reset(OpOffPtr) v.Type = t - v.AuxInt = c + var _auxint int64 = int64(c) + v.AuxInt = int64ToAuxInt(_auxint) v.AddArg(x) return true } @@ -1553,19 +1561,20 @@ func rewriteValuegeneric_OpAnd16(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (And16 (Const16 [c]) (Const16 [d])) - // result: (Const16 [int64(int16(c&d))]) + // result: (Const16 [c&d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst16 { continue } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) if v_1.Op != OpConst16 { continue } - d := v_1.AuxInt + d := auxIntToInt16(v_1.AuxInt) v.reset(OpConst16) - v.AuxInt = int64(int16(c & d)) + var _auxint int16 = c & d + v.AuxInt = int16ToAuxInt(_auxint) return true } break @@ -1751,19 +1760,20 @@ func rewriteValuegeneric_OpAnd32(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (And32 (Const32 [c]) (Const32 [d])) - // result: (Const32 [int64(int32(c&d))]) + // result: (Const32 [c&d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst32 { continue } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) if v_1.Op != OpConst32 { continue } - d := v_1.AuxInt + d := auxIntToInt32(v_1.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(int32(c & d)) + var _auxint int32 = c & d + v.AuxInt = int32ToAuxInt(_auxint) return true } break @@ -1955,13 +1965,14 @@ func rewriteValuegeneric_OpAnd64(v *Value) bool { if v_0.Op != OpConst64 { continue } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) if v_1.Op != OpConst64 { continue } - d := v_1.AuxInt + d := auxIntToInt64(v_1.AuxInt) v.reset(OpConst64) - v.AuxInt = c & d + var _auxint int64 = c & d + v.AuxInt = int64ToAuxInt(_auxint) return true } break @@ -2147,19 +2158,20 @@ func rewriteValuegeneric_OpAnd8(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (And8 (Const8 [c]) (Const8 [d])) - // result: (Const8 [int64(int8(c&d))]) + // result: (Const8 [c&d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst8 { continue } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) if v_1.Op != OpConst8 { continue } - d := v_1.AuxInt + d := auxIntToInt8(v_1.AuxInt) v.reset(OpConst8) - v.AuxInt = int64(int8(c & d)) + var _auxint int8 = c & d + v.AuxInt = int8ToAuxInt(_auxint) return true } break @@ -3931,7 +3943,7 @@ func rewriteValuegeneric_OpConstString(v *Value) bool { v0 := b.NewValue0(v.Pos, OpConstNil, typ.BytePtr) v1 := b.NewValue0(v.Pos, OpConst32, typ.Int) var _auxint int32 = 0 - v1.AuxInt = int64(_auxint) + v1.AuxInt = int32ToAuxInt(_auxint) v.AddArg2(v0, v1) return true } @@ -3947,7 +3959,7 @@ func rewriteValuegeneric_OpConstString(v *Value) bool { v0 := b.NewValue0(v.Pos, OpConstNil, typ.BytePtr) v1 := b.NewValue0(v.Pos, OpConst64, typ.Int) var _auxint int64 = 0 - v1.AuxInt = int64(_auxint) + v1.AuxInt = int64ToAuxInt(_auxint) v.AddArg2(v0, v1) return true } @@ -3967,7 +3979,7 @@ func rewriteValuegeneric_OpConstString(v *Value) bool { v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpConst32, typ.Int) var _auxint int32 = int32(len(str)) - v2.AuxInt = int64(_auxint) + v2.AuxInt = int32ToAuxInt(_auxint) v.AddArg2(v0, v2) return true } @@ -3987,7 +3999,7 @@ func rewriteValuegeneric_OpConstString(v *Value) bool { v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpConst64, typ.Int) var _auxint int64 = int64(len(str)) - v2.AuxInt = int64(_auxint) + v2.AuxInt = int64ToAuxInt(_auxint) v.AddArg2(v0, v2) return true } @@ -4068,32 +4080,34 @@ func rewriteValuegeneric_OpCtz16(v *Value) bool { config := b.Func.Config // match: (Ctz16 (Const16 [c])) // cond: config.PtrSize == 4 - // result: (Const32 [ntz16(c)]) + // result: (Const32 [int32(ntz16(c))]) for { if v_0.Op != OpConst16 { break } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) if !(config.PtrSize == 4) { break } v.reset(OpConst32) - v.AuxInt = ntz16(c) + var _auxint int32 = int32(ntz16(c)) + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (Ctz16 (Const16 [c])) // cond: config.PtrSize == 8 - // result: (Const64 [ntz16(c)]) + // result: (Const64 [int64(ntz16(c))]) for { if v_0.Op != OpConst16 { break } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) if !(config.PtrSize == 8) { break } v.reset(OpConst64) - v.AuxInt = ntz16(c) + var _auxint int64 = int64(ntz16(c)) + v.AuxInt = int64ToAuxInt(_auxint) return true } return false @@ -4104,32 +4118,34 @@ func rewriteValuegeneric_OpCtz32(v *Value) bool { config := b.Func.Config // match: (Ctz32 (Const32 [c])) // cond: config.PtrSize == 4 - // result: (Const32 [ntz32(c)]) + // result: (Const32 [int32(ntz32(c))]) for { if v_0.Op != OpConst32 { break } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) if !(config.PtrSize == 4) { break } v.reset(OpConst32) - v.AuxInt = ntz32(c) + var _auxint int32 = int32(ntz32(c)) + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (Ctz32 (Const32 [c])) // cond: config.PtrSize == 8 - // result: (Const64 [ntz32(c)]) + // result: (Const64 [int64(ntz32(c))]) for { if v_0.Op != OpConst32 { break } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) if !(config.PtrSize == 8) { break } v.reset(OpConst64) - v.AuxInt = ntz32(c) + var _auxint int64 = int64(ntz32(c)) + v.AuxInt = int64ToAuxInt(_auxint) return true } return false @@ -4140,32 +4156,34 @@ func rewriteValuegeneric_OpCtz64(v *Value) bool { config := b.Func.Config // match: (Ctz64 (Const64 [c])) // cond: config.PtrSize == 4 - // result: (Const32 [ntz(c)]) + // result: (Const32 [int32(ntz64(c))]) for { if v_0.Op != OpConst64 { break } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) if !(config.PtrSize == 4) { break } v.reset(OpConst32) - v.AuxInt = ntz(c) + var _auxint int32 = int32(ntz64(c)) + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (Ctz64 (Const64 [c])) // cond: config.PtrSize == 8 - // result: (Const64 [ntz(c)]) + // result: (Const64 [int64(ntz64(c))]) for { if v_0.Op != OpConst64 { break } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) if !(config.PtrSize == 8) { break } v.reset(OpConst64) - v.AuxInt = ntz(c) + var _auxint int64 = int64(ntz64(c)) + v.AuxInt = int64ToAuxInt(_auxint) return true } return false @@ -4176,32 +4194,34 @@ func rewriteValuegeneric_OpCtz8(v *Value) bool { config := b.Func.Config // match: (Ctz8 (Const8 [c])) // cond: config.PtrSize == 4 - // result: (Const32 [ntz8(c)]) + // result: (Const32 [int32(ntz8(c))]) for { if v_0.Op != OpConst8 { break } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) if !(config.PtrSize == 4) { break } v.reset(OpConst32) - v.AuxInt = ntz8(c) + var _auxint int32 = int32(ntz8(c)) + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (Ctz8 (Const8 [c])) // cond: config.PtrSize == 8 - // result: (Const64 [ntz8(c)]) + // result: (Const64 [int64(ntz8(c))]) for { if v_0.Op != OpConst8 { break } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) if !(config.PtrSize == 8) { break } v.reset(OpConst64) - v.AuxInt = ntz8(c) + var _auxint int64 = int64(ntz8(c)) + v.AuxInt = int64ToAuxInt(_auxint) return true } return false @@ -4209,14 +4229,15 @@ func rewriteValuegeneric_OpCtz8(v *Value) bool { func rewriteValuegeneric_OpCvt32Fto32(v *Value) bool { v_0 := v.Args[0] // match: (Cvt32Fto32 (Const32F [c])) - // result: (Const32 [int64(int32(auxTo32F(c)))]) + // result: (Const32 [int32(c)]) for { if v_0.Op != OpConst32F { break } - c := v_0.AuxInt + c := auxIntToFloat32(v_0.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(int32(auxTo32F(c))) + var _auxint int32 = int32(c) + v.AuxInt = int32ToAuxInt(_auxint) return true } return false @@ -4224,14 +4245,15 @@ func rewriteValuegeneric_OpCvt32Fto32(v *Value) bool { func rewriteValuegeneric_OpCvt32Fto64(v *Value) bool { v_0 := v.Args[0] // match: (Cvt32Fto64 (Const32F [c])) - // result: (Const64 [int64(auxTo32F(c))]) + // result: (Const64 [int64(c)]) for { if v_0.Op != OpConst32F { break } - c := v_0.AuxInt + c := auxIntToFloat32(v_0.AuxInt) v.reset(OpConst64) - v.AuxInt = int64(auxTo32F(c)) + var _auxint int64 = int64(c) + v.AuxInt = int64ToAuxInt(_auxint) return true } return false @@ -4239,14 +4261,15 @@ func rewriteValuegeneric_OpCvt32Fto64(v *Value) bool { func rewriteValuegeneric_OpCvt32Fto64F(v *Value) bool { v_0 := v.Args[0] // match: (Cvt32Fto64F (Const32F [c])) - // result: (Const64F [c]) + // result: (Const64F [float64(c)]) for { if v_0.Op != OpConst32F { break } - c := v_0.AuxInt + c := auxIntToFloat32(v_0.AuxInt) v.reset(OpConst64F) - v.AuxInt = c + var _auxint float64 = float64(c) + v.AuxInt = float64ToAuxInt(_auxint) return true } return false @@ -4254,14 +4277,15 @@ func rewriteValuegeneric_OpCvt32Fto64F(v *Value) bool { func rewriteValuegeneric_OpCvt32to32F(v *Value) bool { v_0 := v.Args[0] // match: (Cvt32to32F (Const32 [c])) - // result: (Const32F [auxFrom32F(float32(int32(c)))]) + // result: (Const32F [float32(c)]) for { if v_0.Op != OpConst32 { break } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) v.reset(OpConst32F) - v.AuxInt = auxFrom32F(float32(int32(c))) + var _auxint float32 = float32(c) + v.AuxInt = float32ToAuxInt(_auxint) return true } return false @@ -4269,14 +4293,15 @@ func rewriteValuegeneric_OpCvt32to32F(v *Value) bool { func rewriteValuegeneric_OpCvt32to64F(v *Value) bool { v_0 := v.Args[0] // match: (Cvt32to64F (Const32 [c])) - // result: (Const64F [auxFrom64F(float64(int32(c)))]) + // result: (Const64F [float64(c)]) for { if v_0.Op != OpConst32 { break } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) v.reset(OpConst64F) - v.AuxInt = auxFrom64F(float64(int32(c))) + var _auxint float64 = float64(c) + v.AuxInt = float64ToAuxInt(_auxint) return true } return false @@ -4284,14 +4309,15 @@ func rewriteValuegeneric_OpCvt32to64F(v *Value) bool { func rewriteValuegeneric_OpCvt64Fto32(v *Value) bool { v_0 := v.Args[0] // match: (Cvt64Fto32 (Const64F [c])) - // result: (Const32 [int64(int32(auxTo64F(c)))]) + // result: (Const32 [int32(c)]) for { if v_0.Op != OpConst64F { break } - c := v_0.AuxInt + c := auxIntToFloat64(v_0.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(int32(auxTo64F(c))) + var _auxint int32 = int32(c) + v.AuxInt = int32ToAuxInt(_auxint) return true } return false @@ -4299,14 +4325,15 @@ func rewriteValuegeneric_OpCvt64Fto32(v *Value) bool { func rewriteValuegeneric_OpCvt64Fto32F(v *Value) bool { v_0 := v.Args[0] // match: (Cvt64Fto32F (Const64F [c])) - // result: (Const32F [auxFrom32F(float32(auxTo64F(c)))]) + // result: (Const32F [float32(c)]) for { if v_0.Op != OpConst64F { break } - c := v_0.AuxInt + c := auxIntToFloat64(v_0.AuxInt) v.reset(OpConst32F) - v.AuxInt = auxFrom32F(float32(auxTo64F(c))) + var _auxint float32 = float32(c) + v.AuxInt = float32ToAuxInt(_auxint) return true } return false @@ -4314,14 +4341,15 @@ func rewriteValuegeneric_OpCvt64Fto32F(v *Value) bool { func rewriteValuegeneric_OpCvt64Fto64(v *Value) bool { v_0 := v.Args[0] // match: (Cvt64Fto64 (Const64F [c])) - // result: (Const64 [int64(auxTo64F(c))]) + // result: (Const64 [int64(c)]) for { if v_0.Op != OpConst64F { break } - c := v_0.AuxInt + c := auxIntToFloat64(v_0.AuxInt) v.reset(OpConst64) - v.AuxInt = int64(auxTo64F(c)) + var _auxint int64 = int64(c) + v.AuxInt = int64ToAuxInt(_auxint) return true } return false @@ -4329,14 +4357,15 @@ func rewriteValuegeneric_OpCvt64Fto64(v *Value) bool { func rewriteValuegeneric_OpCvt64to32F(v *Value) bool { v_0 := v.Args[0] // match: (Cvt64to32F (Const64 [c])) - // result: (Const32F [auxFrom32F(float32(c))]) + // result: (Const32F [float32(c)]) for { if v_0.Op != OpConst64 { break } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) v.reset(OpConst32F) - v.AuxInt = auxFrom32F(float32(c)) + var _auxint float32 = float32(c) + v.AuxInt = float32ToAuxInt(_auxint) return true } return false @@ -4344,29 +4373,41 @@ func rewriteValuegeneric_OpCvt64to32F(v *Value) bool { func rewriteValuegeneric_OpCvt64to64F(v *Value) bool { v_0 := v.Args[0] // match: (Cvt64to64F (Const64 [c])) - // result: (Const64F [auxFrom64F(float64(c))]) + // result: (Const64F [float64(c)]) for { if v_0.Op != OpConst64 { break } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) v.reset(OpConst64F) - v.AuxInt = auxFrom64F(float64(c)) + var _auxint float64 = float64(c) + v.AuxInt = float64ToAuxInt(_auxint) return true } return false } func rewriteValuegeneric_OpCvtBoolToUint8(v *Value) bool { v_0 := v.Args[0] - // match: (CvtBoolToUint8 (ConstBool [c])) - // result: (Const8 [c]) + // match: (CvtBoolToUint8 (ConstBool [false])) + // result: (Const8 [0]) for { - if v_0.Op != OpConstBool { + if v_0.Op != OpConstBool || auxIntToBool(v_0.AuxInt) != false { break } - c := v_0.AuxInt v.reset(OpConst8) - v.AuxInt = c + var _auxint int8 = 0 + v.AuxInt = int8ToAuxInt(_auxint) + return true + } + // match: (CvtBoolToUint8 (ConstBool [true])) + // result: (Const8 [1]) + for { + if v_0.Op != OpConstBool || auxIntToBool(v_0.AuxInt) != true { + break + } + v.reset(OpConst8) + var _auxint int8 = 1 + v.AuxInt = int8ToAuxInt(_auxint) return true } return false @@ -4378,21 +4419,22 @@ func rewriteValuegeneric_OpDiv16(v *Value) bool { typ := &b.Func.Config.Types // match: (Div16 (Const16 [c]) (Const16 [d])) // cond: d != 0 - // result: (Const16 [int64(int16(c)/int16(d))]) + // result: (Const16 [c/d]) for { if v_0.Op != OpConst16 { break } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) if v_1.Op != OpConst16 { break } - d := v_1.AuxInt + d := auxIntToInt16(v_1.AuxInt) if !(d != 0) { break } v.reset(OpConst16) - v.AuxInt = int64(int16(c) / int16(d)) + var _auxint int16 = c / d + v.AuxInt = int16ToAuxInt(_auxint) return true } // match: (Div16 n (Const16 [c])) @@ -4525,21 +4567,22 @@ func rewriteValuegeneric_OpDiv16u(v *Value) bool { typ := &b.Func.Config.Types // match: (Div16u (Const16 [c]) (Const16 [d])) // cond: d != 0 - // result: (Const16 [int64(int16(uint16(c)/uint16(d)))]) + // result: (Const16 [int16(uint16(c)/uint16(d))]) for { if v_0.Op != OpConst16 { break } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) if v_1.Op != OpConst16 { break } - d := v_1.AuxInt + d := auxIntToInt16(v_1.AuxInt) if !(d != 0) { break } v.reset(OpConst16) - v.AuxInt = int64(int16(uint16(c) / uint16(d))) + var _auxint int16 = int16(uint16(c) / uint16(d)) + v.AuxInt = int16ToAuxInt(_auxint) return true } // match: (Div16u n (Const16 [c])) @@ -4686,21 +4729,22 @@ func rewriteValuegeneric_OpDiv32(v *Value) bool { typ := &b.Func.Config.Types // match: (Div32 (Const32 [c]) (Const32 [d])) // cond: d != 0 - // result: (Const32 [int64(int32(c)/int32(d))]) + // result: (Const32 [c/d]) for { if v_0.Op != OpConst32 { break } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) if v_1.Op != OpConst32 { break } - d := v_1.AuxInt + d := auxIntToInt32(v_1.AuxInt) if !(d != 0) { break } v.reset(OpConst32) - v.AuxInt = int64(int32(c) / int32(d)) + var _auxint int32 = c / d + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (Div32 n (Const32 [c])) @@ -4892,22 +4936,23 @@ func rewriteValuegeneric_OpDiv32F(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Div32F (Const32F [c]) (Const32F [d])) - // cond: !math.IsNaN(float64(auxTo32F(c) / auxTo32F(d))) - // result: (Const32F [auxFrom32F(auxTo32F(c) / auxTo32F(d))]) + // cond: c/d == c/d + // result: (Const32F [c/d]) for { if v_0.Op != OpConst32F { break } - c := v_0.AuxInt + c := auxIntToFloat32(v_0.AuxInt) if v_1.Op != OpConst32F { break } - d := v_1.AuxInt - if !(!math.IsNaN(float64(auxTo32F(c) / auxTo32F(d)))) { + d := auxIntToFloat32(v_1.AuxInt) + if !(c/d == c/d) { break } v.reset(OpConst32F) - v.AuxInt = auxFrom32F(auxTo32F(c) / auxTo32F(d)) + var _auxint float32 = c / d + v.AuxInt = float32ToAuxInt(_auxint) return true } // match: (Div32F x (Const32F [c])) @@ -4939,21 +4984,22 @@ func rewriteValuegeneric_OpDiv32u(v *Value) bool { typ := &b.Func.Config.Types // match: (Div32u (Const32 [c]) (Const32 [d])) // cond: d != 0 - // result: (Const32 [int64(int32(uint32(c)/uint32(d)))]) + // result: (Const32 [int32(uint32(c)/uint32(d))]) for { if v_0.Op != OpConst32 { break } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) if v_1.Op != OpConst32 { break } - d := v_1.AuxInt + d := auxIntToInt32(v_1.AuxInt) if !(d != 0) { break } v.reset(OpConst32) - v.AuxInt = int64(int32(uint32(c) / uint32(d))) + var _auxint int32 = int32(uint32(c) / uint32(d)) + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (Div32u n (Const32 [c])) @@ -5154,16 +5200,17 @@ func rewriteValuegeneric_OpDiv64(v *Value) bool { if v_0.Op != OpConst64 { break } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) if v_1.Op != OpConst64 { break } - d := v_1.AuxInt + d := auxIntToInt64(v_1.AuxInt) if !(d != 0) { break } v.reset(OpConst64) - v.AuxInt = c / d + var _auxint int64 = c / d + v.AuxInt = int64ToAuxInt(_auxint) return true } // match: (Div64 n (Const64 [c])) @@ -5333,22 +5380,23 @@ func rewriteValuegeneric_OpDiv64F(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Div64F (Const64F [c]) (Const64F [d])) - // cond: !math.IsNaN(auxTo64F(c) / auxTo64F(d)) - // result: (Const64F [auxFrom64F(auxTo64F(c) / auxTo64F(d))]) + // cond: c/d == c/d + // result: (Const64F [c/d]) for { if v_0.Op != OpConst64F { break } - c := v_0.AuxInt + c := auxIntToFloat64(v_0.AuxInt) if v_1.Op != OpConst64F { break } - d := v_1.AuxInt - if !(!math.IsNaN(auxTo64F(c) / auxTo64F(d))) { + d := auxIntToFloat64(v_1.AuxInt) + if !(c/d == c/d) { break } v.reset(OpConst64F) - v.AuxInt = auxFrom64F(auxTo64F(c) / auxTo64F(d)) + var _auxint float64 = c / d + v.AuxInt = float64ToAuxInt(_auxint) return true } // match: (Div64F x (Const64F [c])) @@ -5385,16 +5433,17 @@ func rewriteValuegeneric_OpDiv64u(v *Value) bool { if v_0.Op != OpConst64 { break } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) if v_1.Op != OpConst64 { break } - d := v_1.AuxInt + d := auxIntToInt64(v_1.AuxInt) if !(d != 0) { break } v.reset(OpConst64) - v.AuxInt = int64(uint64(c) / uint64(d)) + var _auxint int64 = int64(uint64(c) / uint64(d)) + v.AuxInt = int64ToAuxInt(_auxint) return true } // match: (Div64u n (Const64 [c])) @@ -5512,21 +5561,22 @@ func rewriteValuegeneric_OpDiv8(v *Value) bool { typ := &b.Func.Config.Types // match: (Div8 (Const8 [c]) (Const8 [d])) // cond: d != 0 - // result: (Const8 [int64(int8(c)/int8(d))]) + // result: (Const8 [c/d]) for { if v_0.Op != OpConst8 { break } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) if v_1.Op != OpConst8 { break } - d := v_1.AuxInt + d := auxIntToInt8(v_1.AuxInt) if !(d != 0) { break } v.reset(OpConst8) - v.AuxInt = int64(int8(c) / int8(d)) + var _auxint int8 = c / d + v.AuxInt = int8ToAuxInt(_auxint) return true } // match: (Div8 n (Const8 [c])) @@ -5658,21 +5708,22 @@ func rewriteValuegeneric_OpDiv8u(v *Value) bool { typ := &b.Func.Config.Types // match: (Div8u (Const8 [c]) (Const8 [d])) // cond: d != 0 - // result: (Const8 [int64(int8(uint8(c)/uint8(d)))]) + // result: (Const8 [int8(uint8(c)/uint8(d))]) for { if v_0.Op != OpConst8 { break } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) if v_1.Op != OpConst8 { break } - d := v_1.AuxInt + d := auxIntToInt8(v_1.AuxInt) if !(d != 0) { break } v.reset(OpConst8) - v.AuxInt = int64(int8(uint8(c) / uint8(d))) + var _auxint int8 = int8(uint8(c) / uint8(d)) + v.AuxInt = int8ToAuxInt(_auxint) return true } // match: (Div8u n (Const8 [c])) @@ -13740,19 +13791,20 @@ func rewriteValuegeneric_OpMul16(v *Value) bool { b := v.Block typ := &b.Func.Config.Types // match: (Mul16 (Const16 [c]) (Const16 [d])) - // result: (Const16 [int64(int16(c*d))]) + // result: (Const16 [c*d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst16 { continue } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) if v_1.Op != OpConst16 { continue } - d := v_1.AuxInt + d := auxIntToInt16(v_1.AuxInt) v.reset(OpConst16) - v.AuxInt = int64(int16(c * d)) + var _auxint int16 = c * d + v.AuxInt = int16ToAuxInt(_auxint) return true } break @@ -13882,19 +13934,20 @@ func rewriteValuegeneric_OpMul32(v *Value) bool { b := v.Block typ := &b.Func.Config.Types // match: (Mul32 (Const32 [c]) (Const32 [d])) - // result: (Const32 [int64(int32(c*d))]) + // result: (Const32 [c*d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst32 { continue } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) if v_1.Op != OpConst32 { continue } - d := v_1.AuxInt + d := auxIntToInt32(v_1.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(int32(c * d)) + var _auxint int32 = c * d + v.AuxInt = int32ToAuxInt(_auxint) return true } break @@ -14056,23 +14109,24 @@ func rewriteValuegeneric_OpMul32F(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (Mul32F (Const32F [c]) (Const32F [d])) - // cond: !math.IsNaN(float64(auxTo32F(c) * auxTo32F(d))) - // result: (Const32F [auxFrom32F(auxTo32F(c) * auxTo32F(d))]) + // cond: c*d == c*d + // result: (Const32F [c*d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst32F { continue } - c := v_0.AuxInt + c := auxIntToFloat32(v_0.AuxInt) if v_1.Op != OpConst32F { continue } - d := v_1.AuxInt - if !(!math.IsNaN(float64(auxTo32F(c) * auxTo32F(d)))) { + d := auxIntToFloat32(v_1.AuxInt) + if !(c*d == c*d) { continue } v.reset(OpConst32F) - v.AuxInt = auxFrom32F(auxTo32F(c) * auxTo32F(d)) + var _auxint float32 = c * d + v.AuxInt = float32ToAuxInt(_auxint) return true } break @@ -14132,13 +14186,14 @@ func rewriteValuegeneric_OpMul64(v *Value) bool { if v_0.Op != OpConst64 { continue } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) if v_1.Op != OpConst64 { continue } - d := v_1.AuxInt + d := auxIntToInt64(v_1.AuxInt) v.reset(OpConst64) - v.AuxInt = c * d + var _auxint int64 = c * d + v.AuxInt = int64ToAuxInt(_auxint) return true } break @@ -14300,23 +14355,24 @@ func rewriteValuegeneric_OpMul64F(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (Mul64F (Const64F [c]) (Const64F [d])) - // cond: !math.IsNaN(auxTo64F(c) * auxTo64F(d)) - // result: (Const64F [auxFrom64F(auxTo64F(c) * auxTo64F(d))]) + // cond: c*d == c*d + // result: (Const64F [c*d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst64F { continue } - c := v_0.AuxInt + c := auxIntToFloat64(v_0.AuxInt) if v_1.Op != OpConst64F { continue } - d := v_1.AuxInt - if !(!math.IsNaN(auxTo64F(c) * auxTo64F(d))) { + d := auxIntToFloat64(v_1.AuxInt) + if !(c*d == c*d) { continue } v.reset(OpConst64F) - v.AuxInt = auxFrom64F(auxTo64F(c) * auxTo64F(d)) + var _auxint float64 = c * d + v.AuxInt = float64ToAuxInt(_auxint) return true } break @@ -14370,19 +14426,20 @@ func rewriteValuegeneric_OpMul8(v *Value) bool { b := v.Block typ := &b.Func.Config.Types // match: (Mul8 (Const8 [c]) (Const8 [d])) - // result: (Const8 [int64(int8(c*d))]) + // result: (Const8 [c*d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst8 { continue } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) if v_1.Op != OpConst8 { continue } - d := v_1.AuxInt + d := auxIntToInt8(v_1.AuxInt) v.reset(OpConst8) - v.AuxInt = int64(int8(c * d)) + var _auxint int8 = c * d + v.AuxInt = int8ToAuxInt(_auxint) return true } break @@ -14510,14 +14567,15 @@ func rewriteValuegeneric_OpNeg16(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Neg16 (Const16 [c])) - // result: (Const16 [int64(-int16(c))]) + // result: (Const16 [-c]) for { if v_0.Op != OpConst16 { break } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) v.reset(OpConst16) - v.AuxInt = int64(-int16(c)) + var _auxint int16 = -c + v.AuxInt = int16ToAuxInt(_auxint) return true } // match: (Neg16 (Sub16 x y)) @@ -14562,14 +14620,15 @@ func rewriteValuegeneric_OpNeg32(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Neg32 (Const32 [c])) - // result: (Const32 [int64(-int32(c))]) + // result: (Const32 [-c]) for { if v_0.Op != OpConst32 { break } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(-int32(c)) + var _auxint int32 = -c + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (Neg32 (Sub32 x y)) @@ -14613,18 +14672,19 @@ func rewriteValuegeneric_OpNeg32(v *Value) bool { func rewriteValuegeneric_OpNeg32F(v *Value) bool { v_0 := v.Args[0] // match: (Neg32F (Const32F [c])) - // cond: auxTo32F(c) != 0 - // result: (Const32F [auxFrom32F(-auxTo32F(c))]) + // cond: c != 0 + // result: (Const32F [-c]) for { if v_0.Op != OpConst32F { break } - c := v_0.AuxInt - if !(auxTo32F(c) != 0) { + c := auxIntToFloat32(v_0.AuxInt) + if !(c != 0) { break } v.reset(OpConst32F) - v.AuxInt = auxFrom32F(-auxTo32F(c)) + var _auxint float32 = -c + v.AuxInt = float32ToAuxInt(_auxint) return true } return false @@ -14638,9 +14698,10 @@ func rewriteValuegeneric_OpNeg64(v *Value) bool { if v_0.Op != OpConst64 { break } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) v.reset(OpConst64) - v.AuxInt = -c + var _auxint int64 = -c + v.AuxInt = int64ToAuxInt(_auxint) return true } // match: (Neg64 (Sub64 x y)) @@ -14684,18 +14745,19 @@ func rewriteValuegeneric_OpNeg64(v *Value) bool { func rewriteValuegeneric_OpNeg64F(v *Value) bool { v_0 := v.Args[0] // match: (Neg64F (Const64F [c])) - // cond: auxTo64F(c) != 0 - // result: (Const64F [auxFrom64F(-auxTo64F(c))]) + // cond: c != 0 + // result: (Const64F [-c]) for { if v_0.Op != OpConst64F { break } - c := v_0.AuxInt - if !(auxTo64F(c) != 0) { + c := auxIntToFloat64(v_0.AuxInt) + if !(c != 0) { break } v.reset(OpConst64F) - v.AuxInt = auxFrom64F(-auxTo64F(c)) + var _auxint float64 = -c + v.AuxInt = float64ToAuxInt(_auxint) return true } return false @@ -14704,14 +14766,15 @@ func rewriteValuegeneric_OpNeg8(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Neg8 (Const8 [c])) - // result: (Const8 [int64( -int8(c))]) + // result: (Const8 [-c]) for { if v_0.Op != OpConst8 { break } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) v.reset(OpConst8) - v.AuxInt = int64(-int8(c)) + var _auxint int8 = -c + v.AuxInt = int8ToAuxInt(_auxint) return true } // match: (Neg8 (Sub8 x y)) @@ -16533,19 +16596,20 @@ func rewriteValuegeneric_OpOr16(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Or16 (Const16 [c]) (Const16 [d])) - // result: (Const16 [int64(int16(c|d))]) + // result: (Const16 [c|d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst16 { continue } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) if v_1.Op != OpConst16 { continue } - d := v_1.AuxInt + d := auxIntToInt16(v_1.AuxInt) v.reset(OpConst16) - v.AuxInt = int64(int16(c | d)) + var _auxint int16 = c | d + v.AuxInt = int16ToAuxInt(_auxint) return true } break @@ -16711,19 +16775,20 @@ func rewriteValuegeneric_OpOr32(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Or32 (Const32 [c]) (Const32 [d])) - // result: (Const32 [int64(int32(c|d))]) + // result: (Const32 [c|d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst32 { continue } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) if v_1.Op != OpConst32 { continue } - d := v_1.AuxInt + d := auxIntToInt32(v_1.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(int32(c | d)) + var _auxint int32 = c | d + v.AuxInt = int32ToAuxInt(_auxint) return true } break @@ -16895,13 +16960,14 @@ func rewriteValuegeneric_OpOr64(v *Value) bool { if v_0.Op != OpConst64 { continue } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) if v_1.Op != OpConst64 { continue } - d := v_1.AuxInt + d := auxIntToInt64(v_1.AuxInt) v.reset(OpConst64) - v.AuxInt = c | d + var _auxint int64 = c | d + v.AuxInt = int64ToAuxInt(_auxint) return true } break @@ -17067,19 +17133,20 @@ func rewriteValuegeneric_OpOr8(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Or8 (Const8 [c]) (Const8 [d])) - // result: (Const8 [int64(int8(c|d))]) + // result: (Const8 [c|d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst8 { continue } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) if v_1.Op != OpConst8 { continue } - d := v_1.AuxInt + d := auxIntToInt8(v_1.AuxInt) v.reset(OpConst8) - v.AuxInt = int64(int8(c | d)) + var _auxint int8 = c | d + v.AuxInt = int8ToAuxInt(_auxint) return true } break @@ -20598,7 +20665,7 @@ func rewriteValuegeneric_OpSelect0(v *Value) bool { } y := v_0.Args[2] v_0_0 := v_0.Args[0] - if v_0_0.Op != OpConst64 || v_0_0.AuxInt != 0 { + if v_0_0.Op != OpConst64 || auxIntToInt64(v_0_0.AuxInt) != 0 { break } lo := v_0.Args[1] @@ -20618,7 +20685,7 @@ func rewriteValuegeneric_OpSelect1(v *Value) bool { } y := v_0.Args[2] v_0_0 := v_0.Args[0] - if v_0_0.Op != OpConst64 || v_0_0.AuxInt != 0 { + if v_0_0.Op != OpConst64 || auxIntToInt64(v_0_0.AuxInt) != 0 { break } lo := v_0.Args[1] @@ -20631,14 +20698,15 @@ func rewriteValuegeneric_OpSelect1(v *Value) bool { func rewriteValuegeneric_OpSignExt16to32(v *Value) bool { v_0 := v.Args[0] // match: (SignExt16to32 (Const16 [c])) - // result: (Const32 [int64( int16(c))]) + // result: (Const32 [int32(c)]) for { if v_0.Op != OpConst16 { break } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(int16(c)) + var _auxint int32 = int32(c) + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (SignExt16to32 (Trunc32to16 x:(Rsh32x64 _ (Const64 [s])))) @@ -20669,14 +20737,15 @@ func rewriteValuegeneric_OpSignExt16to32(v *Value) bool { func rewriteValuegeneric_OpSignExt16to64(v *Value) bool { v_0 := v.Args[0] // match: (SignExt16to64 (Const16 [c])) - // result: (Const64 [int64( int16(c))]) + // result: (Const64 [int64(c)]) for { if v_0.Op != OpConst16 { break } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) v.reset(OpConst64) - v.AuxInt = int64(int16(c)) + var _auxint int64 = int64(c) + v.AuxInt = int64ToAuxInt(_auxint) return true } // match: (SignExt16to64 (Trunc64to16 x:(Rsh64x64 _ (Const64 [s])))) @@ -20707,14 +20776,15 @@ func rewriteValuegeneric_OpSignExt16to64(v *Value) bool { func rewriteValuegeneric_OpSignExt32to64(v *Value) bool { v_0 := v.Args[0] // match: (SignExt32to64 (Const32 [c])) - // result: (Const64 [int64( int32(c))]) + // result: (Const64 [int64(c)]) for { if v_0.Op != OpConst32 { break } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) v.reset(OpConst64) - v.AuxInt = int64(int32(c)) + var _auxint int64 = int64(c) + v.AuxInt = int64ToAuxInt(_auxint) return true } // match: (SignExt32to64 (Trunc64to32 x:(Rsh64x64 _ (Const64 [s])))) @@ -20745,14 +20815,15 @@ func rewriteValuegeneric_OpSignExt32to64(v *Value) bool { func rewriteValuegeneric_OpSignExt8to16(v *Value) bool { v_0 := v.Args[0] // match: (SignExt8to16 (Const8 [c])) - // result: (Const16 [int64( int8(c))]) + // result: (Const16 [int16(c)]) for { if v_0.Op != OpConst8 { break } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) v.reset(OpConst16) - v.AuxInt = int64(int8(c)) + var _auxint int16 = int16(c) + v.AuxInt = int16ToAuxInt(_auxint) return true } // match: (SignExt8to16 (Trunc16to8 x:(Rsh16x64 _ (Const64 [s])))) @@ -20783,14 +20854,15 @@ func rewriteValuegeneric_OpSignExt8to16(v *Value) bool { func rewriteValuegeneric_OpSignExt8to32(v *Value) bool { v_0 := v.Args[0] // match: (SignExt8to32 (Const8 [c])) - // result: (Const32 [int64( int8(c))]) + // result: (Const32 [int32(c)]) for { if v_0.Op != OpConst8 { break } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(int8(c)) + var _auxint int32 = int32(c) + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (SignExt8to32 (Trunc32to8 x:(Rsh32x64 _ (Const64 [s])))) @@ -20821,14 +20893,15 @@ func rewriteValuegeneric_OpSignExt8to32(v *Value) bool { func rewriteValuegeneric_OpSignExt8to64(v *Value) bool { v_0 := v.Args[0] // match: (SignExt8to64 (Const8 [c])) - // result: (Const64 [int64( int8(c))]) + // result: (Const64 [int64(c)]) for { if v_0.Op != OpConst8 { break } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) v.reset(OpConst64) - v.AuxInt = int64(int8(c)) + var _auxint int64 = int64(c) + v.AuxInt = int64ToAuxInt(_auxint) return true } // match: (SignExt8to64 (Trunc64to8 x:(Rsh64x64 _ (Const64 [s])))) @@ -22214,18 +22287,19 @@ func rewriteValuegeneric_OpSub16(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Sub16 (Const16 [c]) (Const16 [d])) - // result: (Const16 [int64(int16(c-d))]) + // result: (Const16 [c-d]) for { if v_0.Op != OpConst16 { break } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) if v_1.Op != OpConst16 { break } - d := v_1.AuxInt + d := auxIntToInt16(v_1.AuxInt) v.reset(OpConst16) - v.AuxInt = int64(int16(c - d)) + var _auxint int16 = c - d + v.AuxInt = int16ToAuxInt(_auxint) return true } // match: (Sub16 x (Const16 [c])) @@ -22432,18 +22506,19 @@ func rewriteValuegeneric_OpSub32(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Sub32 (Const32 [c]) (Const32 [d])) - // result: (Const32 [int64(int32(c-d))]) + // result: (Const32 [c-d]) for { if v_0.Op != OpConst32 { break } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) if v_1.Op != OpConst32 { break } - d := v_1.AuxInt + d := auxIntToInt32(v_1.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(int32(c - d)) + var _auxint int32 = c - d + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (Sub32 x (Const32 [c])) @@ -22649,22 +22724,23 @@ func rewriteValuegeneric_OpSub32F(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (Sub32F (Const32F [c]) (Const32F [d])) - // cond: !math.IsNaN(float64(auxTo32F(c) - auxTo32F(d))) - // result: (Const32F [auxFrom32F(auxTo32F(c) - auxTo32F(d))]) + // cond: c-d == c-d + // result: (Const32F [c-d]) for { if v_0.Op != OpConst32F { break } - c := v_0.AuxInt + c := auxIntToFloat32(v_0.AuxInt) if v_1.Op != OpConst32F { break } - d := v_1.AuxInt - if !(!math.IsNaN(float64(auxTo32F(c) - auxTo32F(d)))) { + d := auxIntToFloat32(v_1.AuxInt) + if !(c-d == c-d) { break } v.reset(OpConst32F) - v.AuxInt = auxFrom32F(auxTo32F(c) - auxTo32F(d)) + var _auxint float32 = c - d + v.AuxInt = float32ToAuxInt(_auxint) return true } return false @@ -22679,13 +22755,14 @@ func rewriteValuegeneric_OpSub64(v *Value) bool { if v_0.Op != OpConst64 { break } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) if v_1.Op != OpConst64 { break } - d := v_1.AuxInt + d := auxIntToInt64(v_1.AuxInt) v.reset(OpConst64) - v.AuxInt = c - d + var _auxint int64 = c - d + v.AuxInt = int64ToAuxInt(_auxint) return true } // match: (Sub64 x (Const64 [c])) @@ -22891,22 +22968,23 @@ func rewriteValuegeneric_OpSub64F(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (Sub64F (Const64F [c]) (Const64F [d])) - // cond: !math.IsNaN(auxTo64F(c) - auxTo64F(d)) - // result: (Const64F [auxFrom64F(auxTo64F(c) - auxTo64F(d))]) + // cond: c-d == c-d + // result: (Const64F [c-d]) for { if v_0.Op != OpConst64F { break } - c := v_0.AuxInt + c := auxIntToFloat64(v_0.AuxInt) if v_1.Op != OpConst64F { break } - d := v_1.AuxInt - if !(!math.IsNaN(auxTo64F(c) - auxTo64F(d))) { + d := auxIntToFloat64(v_1.AuxInt) + if !(c-d == c-d) { break } v.reset(OpConst64F) - v.AuxInt = auxFrom64F(auxTo64F(c) - auxTo64F(d)) + var _auxint float64 = c - d + v.AuxInt = float64ToAuxInt(_auxint) return true } return false @@ -22916,18 +22994,19 @@ func rewriteValuegeneric_OpSub8(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Sub8 (Const8 [c]) (Const8 [d])) - // result: (Const8 [int64(int8(c-d))]) + // result: (Const8 [c-d]) for { if v_0.Op != OpConst8 { break } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) if v_1.Op != OpConst8 { break } - d := v_1.AuxInt + d := auxIntToInt8(v_1.AuxInt) v.reset(OpConst8) - v.AuxInt = int64(int8(c - d)) + var _auxint int8 = c - d + v.AuxInt = int8ToAuxInt(_auxint) return true } // match: (Sub8 x (Const8 [c])) @@ -23132,14 +23211,15 @@ func rewriteValuegeneric_OpSub8(v *Value) bool { func rewriteValuegeneric_OpTrunc16to8(v *Value) bool { v_0 := v.Args[0] // match: (Trunc16to8 (Const16 [c])) - // result: (Const8 [int64(int8(c))]) + // result: (Const8 [int8(c)]) for { if v_0.Op != OpConst16 { break } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) v.reset(OpConst8) - v.AuxInt = int64(int8(c)) + var _auxint int8 = int8(c) + v.AuxInt = int8ToAuxInt(_auxint) return true } // match: (Trunc16to8 (ZeroExt8to16 x)) @@ -23192,14 +23272,15 @@ func rewriteValuegeneric_OpTrunc16to8(v *Value) bool { func rewriteValuegeneric_OpTrunc32to16(v *Value) bool { v_0 := v.Args[0] // match: (Trunc32to16 (Const32 [c])) - // result: (Const16 [int64(int16(c))]) + // result: (Const16 [int16(c)]) for { if v_0.Op != OpConst32 { break } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) v.reset(OpConst16) - v.AuxInt = int64(int16(c)) + var _auxint int16 = int16(c) + v.AuxInt = int16ToAuxInt(_auxint) return true } // match: (Trunc32to16 (ZeroExt8to32 x)) @@ -23274,14 +23355,15 @@ func rewriteValuegeneric_OpTrunc32to16(v *Value) bool { func rewriteValuegeneric_OpTrunc32to8(v *Value) bool { v_0 := v.Args[0] // match: (Trunc32to8 (Const32 [c])) - // result: (Const8 [int64(int8(c))]) + // result: (Const8 [int8(c)]) for { if v_0.Op != OpConst32 { break } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) v.reset(OpConst8) - v.AuxInt = int64(int8(c)) + var _auxint int8 = int8(c) + v.AuxInt = int8ToAuxInt(_auxint) return true } // match: (Trunc32to8 (ZeroExt8to32 x)) @@ -23334,14 +23416,15 @@ func rewriteValuegeneric_OpTrunc32to8(v *Value) bool { func rewriteValuegeneric_OpTrunc64to16(v *Value) bool { v_0 := v.Args[0] // match: (Trunc64to16 (Const64 [c])) - // result: (Const16 [int64(int16(c))]) + // result: (Const16 [int16(c)]) for { if v_0.Op != OpConst64 { break } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) v.reset(OpConst16) - v.AuxInt = int64(int16(c)) + var _auxint int16 = int16(c) + v.AuxInt = int16ToAuxInt(_auxint) return true } // match: (Trunc64to16 (ZeroExt8to64 x)) @@ -23416,14 +23499,15 @@ func rewriteValuegeneric_OpTrunc64to16(v *Value) bool { func rewriteValuegeneric_OpTrunc64to32(v *Value) bool { v_0 := v.Args[0] // match: (Trunc64to32 (Const64 [c])) - // result: (Const32 [int64(int32(c))]) + // result: (Const32 [int32(c)]) for { if v_0.Op != OpConst64 { break } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(int32(c)) + var _auxint int32 = int32(c) + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (Trunc64to32 (ZeroExt8to64 x)) @@ -23520,14 +23604,15 @@ func rewriteValuegeneric_OpTrunc64to32(v *Value) bool { func rewriteValuegeneric_OpTrunc64to8(v *Value) bool { v_0 := v.Args[0] // match: (Trunc64to8 (Const64 [c])) - // result: (Const8 [int64(int8(c))]) + // result: (Const8 [int8(c)]) for { if v_0.Op != OpConst64 { break } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) v.reset(OpConst8) - v.AuxInt = int64(int8(c)) + var _auxint int8 = int8(c) + v.AuxInt = int8ToAuxInt(_auxint) return true } // match: (Trunc64to8 (ZeroExt8to64 x)) @@ -23582,19 +23667,20 @@ func rewriteValuegeneric_OpXor16(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Xor16 (Const16 [c]) (Const16 [d])) - // result: (Const16 [int64(int16(c^d))]) + // result: (Const16 [c^d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst16 { continue } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) if v_1.Op != OpConst16 { continue } - d := v_1.AuxInt + d := auxIntToInt16(v_1.AuxInt) v.reset(OpConst16) - v.AuxInt = int64(int16(c ^ d)) + var _auxint int16 = c ^ d + v.AuxInt = int16ToAuxInt(_auxint) return true } break @@ -23713,19 +23799,20 @@ func rewriteValuegeneric_OpXor32(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Xor32 (Const32 [c]) (Const32 [d])) - // result: (Const32 [int64(int32(c^d))]) + // result: (Const32 [c^d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst32 { continue } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) if v_1.Op != OpConst32 { continue } - d := v_1.AuxInt + d := auxIntToInt32(v_1.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(int32(c ^ d)) + var _auxint int32 = c ^ d + v.AuxInt = int32ToAuxInt(_auxint) return true } break @@ -23850,13 +23937,14 @@ func rewriteValuegeneric_OpXor64(v *Value) bool { if v_0.Op != OpConst64 { continue } - c := v_0.AuxInt + c := auxIntToInt64(v_0.AuxInt) if v_1.Op != OpConst64 { continue } - d := v_1.AuxInt + d := auxIntToInt64(v_1.AuxInt) v.reset(OpConst64) - v.AuxInt = c ^ d + var _auxint int64 = c ^ d + v.AuxInt = int64ToAuxInt(_auxint) return true } break @@ -23975,19 +24063,20 @@ func rewriteValuegeneric_OpXor8(v *Value) bool { v_0 := v.Args[0] b := v.Block // match: (Xor8 (Const8 [c]) (Const8 [d])) - // result: (Const8 [int64(int8(c^d))]) + // result: (Const8 [c^d]) for { for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { if v_0.Op != OpConst8 { continue } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) if v_1.Op != OpConst8 { continue } - d := v_1.AuxInt + d := auxIntToInt8(v_1.AuxInt) v.reset(OpConst8) - v.AuxInt = int64(int8(c ^ d)) + var _auxint int8 = c ^ d + v.AuxInt = int8ToAuxInt(_auxint) return true } break @@ -24211,14 +24300,15 @@ func rewriteValuegeneric_OpZero(v *Value) bool { func rewriteValuegeneric_OpZeroExt16to32(v *Value) bool { v_0 := v.Args[0] // match: (ZeroExt16to32 (Const16 [c])) - // result: (Const32 [int64(uint16(c))]) + // result: (Const32 [int32(uint16(c))]) for { if v_0.Op != OpConst16 { break } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(uint16(c)) + var _auxint int32 = int32(uint16(c)) + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (ZeroExt16to32 (Trunc32to16 x:(Rsh32Ux64 _ (Const64 [s])))) @@ -24254,9 +24344,10 @@ func rewriteValuegeneric_OpZeroExt16to64(v *Value) bool { if v_0.Op != OpConst16 { break } - c := v_0.AuxInt + c := auxIntToInt16(v_0.AuxInt) v.reset(OpConst64) - v.AuxInt = int64(uint16(c)) + var _auxint int64 = int64(uint16(c)) + v.AuxInt = int64ToAuxInt(_auxint) return true } // match: (ZeroExt16to64 (Trunc64to16 x:(Rsh64Ux64 _ (Const64 [s])))) @@ -24292,9 +24383,10 @@ func rewriteValuegeneric_OpZeroExt32to64(v *Value) bool { if v_0.Op != OpConst32 { break } - c := v_0.AuxInt + c := auxIntToInt32(v_0.AuxInt) v.reset(OpConst64) - v.AuxInt = int64(uint32(c)) + var _auxint int64 = int64(uint32(c)) + v.AuxInt = int64ToAuxInt(_auxint) return true } // match: (ZeroExt32to64 (Trunc64to32 x:(Rsh64Ux64 _ (Const64 [s])))) @@ -24325,14 +24417,15 @@ func rewriteValuegeneric_OpZeroExt32to64(v *Value) bool { func rewriteValuegeneric_OpZeroExt8to16(v *Value) bool { v_0 := v.Args[0] // match: (ZeroExt8to16 (Const8 [c])) - // result: (Const16 [int64( uint8(c))]) + // result: (Const16 [int16( uint8(c))]) for { if v_0.Op != OpConst8 { break } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) v.reset(OpConst16) - v.AuxInt = int64(uint8(c)) + var _auxint int16 = int16(uint8(c)) + v.AuxInt = int16ToAuxInt(_auxint) return true } // match: (ZeroExt8to16 (Trunc16to8 x:(Rsh16Ux64 _ (Const64 [s])))) @@ -24363,14 +24456,15 @@ func rewriteValuegeneric_OpZeroExt8to16(v *Value) bool { func rewriteValuegeneric_OpZeroExt8to32(v *Value) bool { v_0 := v.Args[0] // match: (ZeroExt8to32 (Const8 [c])) - // result: (Const32 [int64( uint8(c))]) + // result: (Const32 [int32( uint8(c))]) for { if v_0.Op != OpConst8 { break } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) v.reset(OpConst32) - v.AuxInt = int64(uint8(c)) + var _auxint int32 = int32(uint8(c)) + v.AuxInt = int32ToAuxInt(_auxint) return true } // match: (ZeroExt8to32 (Trunc32to8 x:(Rsh32Ux64 _ (Const64 [s])))) @@ -24406,9 +24500,10 @@ func rewriteValuegeneric_OpZeroExt8to64(v *Value) bool { if v_0.Op != OpConst8 { break } - c := v_0.AuxInt + c := auxIntToInt8(v_0.AuxInt) v.reset(OpConst64) - v.AuxInt = int64(uint8(c)) + var _auxint int64 = int64(uint8(c)) + v.AuxInt = int64ToAuxInt(_auxint) return true } // match: (ZeroExt8to64 (Trunc64to8 x:(Rsh64Ux64 _ (Const64 [s]))))