diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/gen/ARM64.rules')
| -rw-r--r-- | src/cmd/compile/internal/ssa/gen/ARM64.rules | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/ARM64.rules b/src/cmd/compile/internal/ssa/gen/ARM64.rules index 62699f290c..530e48bcb2 100644 --- a/src/cmd/compile/internal/ssa/gen/ARM64.rules +++ b/src/cmd/compile/internal/ssa/gen/ARM64.rules @@ -2868,3 +2868,12 @@ && isInlinableMemmove(dst, src, sz, config) && clobber(s1, s2, s3, call) => (Move [sz] dst src mem) + +// Match post-lowering calls, register version. +(SelectN [0] call:(CALLstatic {sym} dst src (MOVDconst [sz]) mem)) + && sz >= 0 + && isSameCall(sym, "runtime.memmove") + && call.Uses == 1 + && isInlinableMemmove(dst, src, sz, config) + && clobber(call) + => (Move [sz] dst src mem) |