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fix atomic compile error of iar

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Signed-off-by: wang-shulin93 <15173259956@163.com>
This commit is contained in:
ou-yangkan
2022-01-14 14:52:58 +08:00
parent 570f2785bd
commit a906dfaa99
14 changed files with 392 additions and 524 deletions
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10
arch/csky/v2/gcc/los_arch_atomic.h
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@@ -183,11 +183,11 @@ STATIC INLINE BOOL ArchAtomicCmpXchg32bits(volatile INT32 *v, INT32 val, INT32 o
intSave = LOS_IntLock();
__asm__ __volatile__("1: ldw %0, (%1)\n"
" cmpne %0, %2\n"
" bt 2f\n"
" stw %3, (%1)\n"
"2:"
__asm__ __volatile__("ldw %0, (%1)\n"
"cmpne %0, %2\n"
"bt 1f\n"
"stw %3, (%1)\n"
"1:"
: "=&r"(prevVal)
: "r"(v), "r"(oldVal), "r"(val)
: "cc");