diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/gen/AMD64.rules')
| -rw-r--r-- | src/cmd/compile/internal/ssa/gen/AMD64.rules | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/AMD64.rules b/src/cmd/compile/internal/ssa/gen/AMD64.rules index ff38be550e..89d082ac7f 100644 --- a/src/cmd/compile/internal/ssa/gen/AMD64.rules +++ b/src/cmd/compile/internal/ssa/gen/AMD64.rules @@ -1499,9 +1499,9 @@ (SUBQconst (MOVQconst [d]) [c]) -> (MOVQconst [d-c]) (SUBQconst (SUBQconst x [d]) [c]) && is32Bit(-c-d) -> (ADDQconst [-c-d] x) (SARQconst [c] (MOVQconst [d])) -> (MOVQconst [d>>uint64(c)]) -(SARLconst [c] (MOVQconst [d])) -> (MOVQconst [d>>uint64(c)]) -(SARWconst [c] (MOVQconst [d])) -> (MOVQconst [d>>uint64(c)]) -(SARBconst [c] (MOVQconst [d])) -> (MOVQconst [d>>uint64(c)]) +(SARLconst [c] (MOVQconst [d])) -> (MOVQconst [int64(int32(d))>>uint64(c)]) +(SARWconst [c] (MOVQconst [d])) -> (MOVQconst [int64(int16(d))>>uint64(c)]) +(SARBconst [c] (MOVQconst [d])) -> (MOVQconst [int64(int8(d))>>uint64(c)]) (NEGQ (MOVQconst [c])) -> (MOVQconst [-c]) (NEGL (MOVLconst [c])) -> (MOVLconst [int64(int32(-c))]) (MULQconst [c] (MOVQconst [d])) -> (MOVQconst [c*d]) |