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Fix atomic_store_64, it should write the value passed in, not the value

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read by the load.

Pointy Hat:	andrew
This commit is contained in:
Andrew Turner 2015-07-19 16:55:47 +00:00
parent f703e79990
commit 70888b7ed5
1 changed files with 1 additions and 1 deletions
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sys/arm/include/atomic-v6.h
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@ -558,7 +558,7 @@ atomic_store_64(volatile uint64_t *p, uint64_t val)
__asm __volatile(
"1: \n"
" ldrexd %Q[tmp], %R[tmp], [%[ptr]] \n"
" strexd %[exf], %Q[tmp], %R[tmp], [%[ptr]] \n"
" strexd %[exf], %Q[val], %R[val], [%[ptr]] \n"
" teq %[exf], #0 \n"
" it ne \n"
" bne 1b \n"