diff options
| author | Austin Clements <austin@google.com> | 2014-10-27 17:17:06 -0400 |
|---|---|---|
| committer | Austin Clements <austin@google.com> | 2014-10-27 17:17:06 -0400 |
| commit | 87729004ae12c22611b6bccf42211cb1f712ddb0 (patch) | |
| tree | 35f11e6f80feaa92f9f0b3f985a711d691d92665 /src/runtime/atomic_power64x.s | |
| parent | e7797eae182f602d8d08d936f74257a93484d5fd (diff) | |
| parent | fcceea1097e0f86dac0d71bd2fa0b37ab66d8143 (diff) | |
| download | go-87729004ae12c22611b6bccf42211cb1f712ddb0.tar.gz | |
[dev.power64] all: merge default into dev.power64
LGTM=rsc
R=rsc
CC=golang-codereviews
https://codereview.appspot.com/164110043
Diffstat (limited to 'src/runtime/atomic_power64x.s')
| -rw-r--r-- | src/runtime/atomic_power64x.s | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/runtime/atomic_power64x.s b/src/runtime/atomic_power64x.s new file mode 100644 index 000000000..c08590ac9 --- /dev/null +++ b/src/runtime/atomic_power64x.s @@ -0,0 +1,37 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build power64 power64le + +#include "../../cmd/ld/textflag.h" + +// uint32 runtime·atomicload(uint32 volatile* addr) +TEXT ·atomicload(SB),NOSPLIT,$-8-8 + MOVD 0(FP), R3 + SYNC + MOVWZ 0(R3), R3 + CMPW R3, R3, CR7 + BC 4, 30, 1(PC) // bne- cr7,0x4 + ISYNC + RETURN + +// uint64 runtime·atomicload64(uint64 volatile* addr) +TEXT ·atomicload64(SB),NOSPLIT,$-8-8 + MOVD 0(FP), R3 + SYNC + MOVD 0(R3), R3 + CMP R3, R3, CR7 + BC 4, 30, 1(PC) // bne- cr7,0x4 + ISYNC + RETURN + +// void *runtime·atomicloadp(void *volatile *addr) +TEXT ·atomicloadp(SB),NOSPLIT,$-8-8 + MOVD 0(FP), R3 + SYNC + MOVD 0(R3), R3 + CMP R3, R3, CR7 + BC 4, 30, 1(PC) // bne- cr7,0x4 + ISYNC + RETURN |