diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/_gen/AMD64.rules')
| -rw-r--r-- | src/cmd/compile/internal/ssa/_gen/AMD64.rules | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/src/cmd/compile/internal/ssa/_gen/AMD64.rules b/src/cmd/compile/internal/ssa/_gen/AMD64.rules index aac6873d28..2a4c59ebfc 100644 --- a/src/cmd/compile/internal/ssa/_gen/AMD64.rules +++ b/src/cmd/compile/internal/ssa/_gen/AMD64.rules @@ -1020,10 +1020,6 @@ (MOVLQZX x:(MOVLload [off] {sym} ptr mem)) && x.Uses == 1 && clobber(x) => @x.Block (MOVLload <v.Type> [off] {sym} ptr mem) (MOVLQZX x:(MOVQload [off] {sym} ptr mem)) && x.Uses == 1 && clobber(x) => @x.Block (MOVLload <v.Type> [off] {sym} ptr mem) -(MOVLQZX x) && zeroUpper32Bits(x,3) => x -(MOVWQZX x) && zeroUpper48Bits(x,3) => x -(MOVBQZX x) && zeroUpper56Bits(x,3) => x - // replace load from same location as preceding store with zero/sign extension (or copy in case of full width) (MOVBload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) => (MOVBQZX x) (MOVWload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) => (MOVWQZX x) |