diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewriteARM.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewriteARM.go | 36 |
1 files changed, 16 insertions, 20 deletions
diff --git a/src/cmd/compile/internal/ssa/rewriteARM.go b/src/cmd/compile/internal/ssa/rewriteARM.go index 234783b409..569081be10 100644 --- a/src/cmd/compile/internal/ssa/rewriteARM.go +++ b/src/cmd/compile/internal/ssa/rewriteARM.go @@ -5188,8 +5188,8 @@ func rewriteValueARM_OpARMMOVBUload(v *Value, config *Config) bool { return true } // match: (MOVBUload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _)) - // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && !isSigned(x.Type) - // result: x + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVBUreg x) for { off := v.AuxInt sym := v.Aux @@ -5202,11 +5202,10 @@ func rewriteValueARM_OpARMMOVBUload(v *Value, config *Config) bool { sym2 := v_1.Aux ptr2 := v_1.Args[0] x := v_1.Args[1] - if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && !isSigned(x.Type)) { + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } - v.reset(OpCopy) - v.Type = x.Type + v.reset(OpARMMOVBUreg) v.AddArg(x) return true } @@ -5317,8 +5316,8 @@ func rewriteValueARM_OpARMMOVBload(v *Value, config *Config) bool { return true } // match: (MOVBload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _)) - // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && isSigned(x.Type) - // result: x + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVBreg x) for { off := v.AuxInt sym := v.Aux @@ -5331,11 +5330,10 @@ func rewriteValueARM_OpARMMOVBload(v *Value, config *Config) bool { sym2 := v_1.Aux ptr2 := v_1.Args[0] x := v_1.Args[1] - if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && isSigned(x.Type)) { + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } - v.reset(OpCopy) - v.Type = x.Type + v.reset(OpARMMOVBreg) v.AddArg(x) return true } @@ -5836,8 +5834,8 @@ func rewriteValueARM_OpARMMOVHUload(v *Value, config *Config) bool { return true } // match: (MOVHUload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _)) - // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && !isSigned(x.Type) - // result: x + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVHUreg x) for { off := v.AuxInt sym := v.Aux @@ -5850,11 +5848,10 @@ func rewriteValueARM_OpARMMOVHUload(v *Value, config *Config) bool { sym2 := v_1.Aux ptr2 := v_1.Args[0] x := v_1.Args[1] - if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && !isSigned(x.Type)) { + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } - v.reset(OpCopy) - v.Type = x.Type + v.reset(OpARMMOVHUreg) v.AddArg(x) return true } @@ -5989,8 +5986,8 @@ func rewriteValueARM_OpARMMOVHload(v *Value, config *Config) bool { return true } // match: (MOVHload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _)) - // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && isSigned(x.Type) - // result: x + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVHreg x) for { off := v.AuxInt sym := v.Aux @@ -6003,11 +6000,10 @@ func rewriteValueARM_OpARMMOVHload(v *Value, config *Config) bool { sym2 := v_1.Aux ptr2 := v_1.Args[0] x := v_1.Args[1] - if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && isSigned(x.Type)) { + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } - v.reset(OpCopy) - v.Type = x.Type + v.reset(OpARMMOVHreg) v.AddArg(x) return true } |