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runtime: fix linux/amd64p32 build

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Implement runtime.atomicand8 for amd64p32 which was overlooked
in CL 7861.

Change-Id: Ic7eccddc6fd6c4682cac1761294893928f5428a2
Reviewed-on: https://go-review.googlesource.com/7920
Reviewed-by: Minux Ma <minux@golang.org>
This commit is contained in:
Dave Cheney 2015-03-21 13:19:33 +11:00
parent 7727dee445
commit 98485f5ad4
1 changed files with 8 additions and 0 deletions
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8
src/runtime/asm_amd64p32.s
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@ -541,6 +541,14 @@ TEXT runtime·atomicor8(SB), NOSPLIT, $0-5
ORB AX, 0(BX)
RET
// void runtime·atomicand8(byte volatile*, byte);
TEXT runtime·atomicand8(SB), NOSPLIT, $0-5
MOVL ptr+0(FP), BX
MOVB val+4(FP), AX
LOCK
ANDB AX, 0(BX)
RET
// void jmpdefer(fn, sp);
// called from deferreturn.
// 1. pop the caller