diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewriteAMD64.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewriteAMD64.go | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/src/cmd/compile/internal/ssa/rewriteAMD64.go b/src/cmd/compile/internal/ssa/rewriteAMD64.go index cefd50ca56..a2b9e15a4f 100644 --- a/src/cmd/compile/internal/ssa/rewriteAMD64.go +++ b/src/cmd/compile/internal/ssa/rewriteAMD64.go @@ -17175,7 +17175,7 @@ func rewriteValueAMD64_OpZero(v *Value, config *Config) bool { } // match: (Zero [size] destptr mem) // cond: size <= 1024 && size%16 == 0 && !config.noDuffDevice - // result: (DUFFZERO [duffStart(size)] (ADDQconst [duffAdj(size)] destptr) (MOVOconst [0]) mem) + // result: (DUFFZERO [size] destptr (MOVOconst [0]) mem) for { size := v.AuxInt destptr := v.Args[0] @@ -17184,14 +17184,11 @@ func rewriteValueAMD64_OpZero(v *Value, config *Config) bool { break } v.reset(OpAMD64DUFFZERO) - v.AuxInt = duffStart(size) - v0 := b.NewValue0(v.Line, OpAMD64ADDQconst, config.fe.TypeUInt64()) - v0.AuxInt = duffAdj(size) - v0.AddArg(destptr) + v.AuxInt = size + v.AddArg(destptr) + v0 := b.NewValue0(v.Line, OpAMD64MOVOconst, TypeInt128) + v0.AuxInt = 0 v.AddArg(v0) - v1 := b.NewValue0(v.Line, OpAMD64MOVOconst, TypeInt128) - v1.AuxInt = 0 - v.AddArg(v1) v.AddArg(mem) return true } |