diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/gen/AMD64.rules')
| -rw-r--r-- | src/cmd/compile/internal/ssa/gen/AMD64.rules | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/AMD64.rules b/src/cmd/compile/internal/ssa/gen/AMD64.rules index aa81ca7aa8..f676608c27 100644 --- a/src/cmd/compile/internal/ssa/gen/AMD64.rules +++ b/src/cmd/compile/internal/ssa/gen/AMD64.rules @@ -522,7 +522,7 @@ (XORQconst [c] (XORQconst [d] x)) -> (XORQconst [c ^ d] x) (MULLconst [c] (MULLconst [d] x)) -> (MULLconst [int64(int32(c * d))] x) -(MULQconst [c] (MULQconst [d] x)) -> (MULQconst [c * d] x) +(MULQconst [c] (MULQconst [d] x)) && is32Bit(c*d) -> (MULQconst [c * d] x) (ORQ x (MOVQconst [c])) && is32Bit(c) -> (ORQconst [c] x) (ORQ (MOVQconst [c]) x) && is32Bit(c) -> (ORQconst [c] x) |