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 db274d7eb9..d27eff0f6a 100644 --- a/src/cmd/compile/internal/ssa/gen/AMD64.rules +++ b/src/cmd/compile/internal/ssa/gen/AMD64.rules @@ -389,7 +389,7 @@ (Zero [size] destptr mem) && size <= 1024 && size%8 == 0 && size%16 != 0 && !config.noDuffDevice -> (Zero [size-8] (ADDQconst [8] destptr) (MOVQstore destptr (MOVQconst [0]) mem)) (Zero [size] destptr mem) && size <= 1024 && size%16 == 0 && !config.noDuffDevice -> - (DUFFZERO [duffStart(size)] (ADDQconst [duffAdj(size)] destptr) (MOVOconst [0]) mem) + (DUFFZERO [size] destptr (MOVOconst [0]) mem) // Large zeroing uses REP STOSQ. (Zero [size] destptr mem) && (size > 1024 || (config.noDuffDevice && size > 32)) && size%8 == 0 -> |