diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/gen/386.rules')
| -rw-r--r-- | src/cmd/compile/internal/ssa/gen/386.rules | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/386.rules b/src/cmd/compile/internal/ssa/gen/386.rules index 4a8244eb27..4e6cc8c692 100644 --- a/src/cmd/compile/internal/ssa/gen/386.rules +++ b/src/cmd/compile/internal/ssa/gen/386.rules @@ -38,10 +38,8 @@ (Xor(32|16|8) ...) => (XORL ...) (Neg(32|16|8) ...) => (NEGL ...) -(Neg32F x) && !config.use387 => (PXOR x (MOVSSconst <typ.Float32> [float32(math.Copysign(0, -1))])) -(Neg64F x) && !config.use387 => (PXOR x (MOVSDconst <typ.Float64> [math.Copysign(0, -1)])) -(Neg32F x) && config.use387 => (FCHS x) -(Neg64F x) && config.use387 => (FCHS x) +(Neg32F x) => (PXOR x (MOVSSconst <typ.Float32> [float32(math.Copysign(0, -1))])) +(Neg64F x) => (PXOR x (MOVSDconst <typ.Float64> [math.Copysign(0, -1)])) (Com(32|16|8) ...) => (NOTL ...) @@ -312,7 +310,7 @@ (Const32 ...) => (MOVLconst ...) (Const(32|64)F ...) => (MOVS(S|D)const ...) (ConstNil) => (MOVLconst [0]) -(ConstBool [c]) => (MOVLconst [int32(b2i(c))]) +(ConstBool [c]) => (MOVLconst [b2i32(c)]) // Lowering calls (StaticCall ...) => (CALLstatic ...) @@ -670,8 +668,8 @@ // Merge load/store to op ((ADD|AND|OR|XOR|SUB|MUL)L x l:(MOVLload [off] {sym} ptr mem)) && canMergeLoadClobber(v, l, x) && clobber(l) => ((ADD|AND|OR|XOR|SUB|MUL)Lload x [off] {sym} ptr mem) -((ADD|SUB|MUL|DIV)SD x l:(MOVSDload [off] {sym} ptr mem)) && canMergeLoadClobber(v, l, x) && !config.use387 && clobber(l) => ((ADD|SUB|MUL|DIV)SDload x [off] {sym} ptr mem) -((ADD|SUB|MUL|DIV)SS x l:(MOVSSload [off] {sym} ptr mem)) && canMergeLoadClobber(v, l, x) && !config.use387 && clobber(l) => ((ADD|SUB|MUL|DIV)SSload x [off] {sym} ptr mem) +((ADD|SUB|MUL|DIV)SD x l:(MOVSDload [off] {sym} ptr mem)) && canMergeLoadClobber(v, l, x) && clobber(l) => ((ADD|SUB|MUL|DIV)SDload x [off] {sym} ptr mem) +((ADD|SUB|MUL|DIV)SS x l:(MOVSSload [off] {sym} ptr mem)) && canMergeLoadClobber(v, l, x) && clobber(l) => ((ADD|SUB|MUL|DIV)SSload x [off] {sym} ptr mem) (MOVLstore {sym} [off] ptr y:((ADD|AND|OR|XOR)Lload x [off] {sym} ptr mem) mem) && y.Uses==1 && clobber(y) => ((ADD|AND|OR|XOR)Lmodify [off] {sym} ptr x mem) (MOVLstore {sym} [off] ptr y:((ADD|SUB|AND|OR|XOR)L l:(MOVLload [off] {sym} ptr mem) x) mem) && y.Uses==1 && l.Uses==1 && clobber(y, l) => ((ADD|SUB|AND|OR|XOR)Lmodify [off] {sym} ptr x mem) |