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sync/atomic: fix arm check64 bug

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CC=golang-dev
https://golang.org/cl/4571059
This commit is contained in:
Andrew Gerrand 2011-06-10 13:50:19 +10:00
parent 86183e43c9
commit d44c4c351d
1 changed files with 4 additions and 4 deletions
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8
src/pkg/sync/atomic/asm_arm.s
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@ -90,11 +90,11 @@ add64loop:
TEXT check64<>(SB),7,$16
MOVW $10, R1
// 8-aligned stack address scratch space.
MOVW $8(SP), R3
AND $~7, R3
MOVW $8(R13), R5
AND $~7, R5
loop:
LDREXD (R3), R2
STREXD R2, (R3), R0
LDREXD (R5), R2
STREXD R2, (R5), R0
CMP $0, R0
BEQ ok
SUB $1, R1