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| author | Austin Clements <austin@google.com> | 2019-10-23 10:20:49 -0400 |
|---|---|---|
| committer | Austin Clements <austin@google.com> | 2019-10-29 03:18:55 +0000 |
| commit | 97592b3c14e96eece91ddc91a188e08fd2ed2dfa (patch) | |
| tree | 0b02a072954e9b17a0869e7b291613c0e4ad06c2 /src/cmd/compile/internal/ppc64 | |
| parent | d2101e54908dc6899863be0772658dbd7e0bbc71 (diff) | |
| download | go-97592b3c14e96eece91ddc91a188e08fd2ed2dfa.tar.gz go-97592b3c14e96eece91ddc91a188e08fd2ed2dfa.zip | |
cmd/compile: intrinsics for runtime/internal/atomic.Store8
For #10958, #24543, but makes sense on its own.
Change-Id: I2a87dab66b82a1863e4b6512b1f8def51463ce2a
Reviewed-on: https://go-review.googlesource.com/c/go/+/203284
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Diffstat (limited to 'src/cmd/compile/internal/ppc64')
| -rw-r--r-- | src/cmd/compile/internal/ppc64/ssa.go | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/cmd/compile/internal/ppc64/ssa.go b/src/cmd/compile/internal/ppc64/ssa.go index 4f852b883a..4af6e9d5ed 100644 --- a/src/cmd/compile/internal/ppc64/ssa.go +++ b/src/cmd/compile/internal/ppc64/ssa.go @@ -335,12 +335,16 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) { pisync.To.Type = obj.TYPE_NONE gc.Patch(p2, pisync) - case ssa.OpPPC64LoweredAtomicStore32, + case ssa.OpPPC64LoweredAtomicStore8, + ssa.OpPPC64LoweredAtomicStore32, ssa.OpPPC64LoweredAtomicStore64: // SYNC or LWSYNC - // MOVD/MOVW arg1,(arg0) + // MOVB/MOVW/MOVD arg1,(arg0) st := ppc64.AMOVD - if v.Op == ssa.OpPPC64LoweredAtomicStore32 { + switch v.Op { + case ssa.OpPPC64LoweredAtomicStore8: + st = ppc64.AMOVB + case ssa.OpPPC64LoweredAtomicStore32: st = ppc64.AMOVW } arg0 := v.Args[0].Reg() |