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| author | Dmitriy Vyukov <dvyukov@google.com> | 2014-08-20 12:58:01 +0400 |
|---|---|---|
| committer | Dmitriy Vyukov <dvyukov@google.com> | 2014-08-20 12:58:01 +0400 |
| commit | ddce7c35f46ad4644d6f6e48817daf7a92804144 (patch) | |
| tree | 9f42d04665d02f903f52ffcfba757a36ed8cb03f /src/pkg/runtime | |
| parent | b95ed834801517f79f4d1c4331d765769f5e5360 (diff) | |
| download | go-ddce7c35f46ad4644d6f6e48817daf7a92804144.tar.xz | |
runtime: add atomicor8 for amd64p32
LGTM=khr
R=golang-codereviews, daniel.morsing, khr, rsc
CC=golang-codereviews, khr, rlh
https://golang.org/cl/131950043
Diffstat (limited to 'src/pkg/runtime')
| -rw-r--r-- | src/pkg/runtime/asm_amd64p32.s | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/pkg/runtime/asm_amd64p32.s b/src/pkg/runtime/asm_amd64p32.s index 71ea4f385a..3e84d95d3f 100644 --- a/src/pkg/runtime/asm_amd64p32.s +++ b/src/pkg/runtime/asm_amd64p32.s @@ -660,6 +660,14 @@ TEXT runtime·atomicstore64(SB), NOSPLIT, $0-16 XCHGQ AX, 0(BX) RET +// void runtime·atomicor8(byte volatile*, byte); +TEXT runtime·atomicor8(SB), NOSPLIT, $0-8 + MOVL ptr+0(FP), BX + MOVB val+4(FP), AX + LOCK + ORB AX, 0(BX) + RET + // void jmpdefer(fn, sp); // called from deferreturn. // 1. pop the caller |