diff options
Diffstat (limited to 'MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c')
| -rw-r--r-- | MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c b/MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c index 0212798d7a..4338fb8e65 100644 --- a/MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c +++ b/MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c @@ -115,12 +115,10 @@ InternalSyncCompareExchange16 ( {
__asm__ __volatile__ (
"lock \n\t"
- "cmpxchgw %3, %1 \n\t"
- : "=a" (CompareValue), // %0
- "=m" (*Value) // %1
- : "a" (CompareValue), // %2
- "r" (ExchangeValue), // %3
- "m" (*Value) // %4
+ "cmpxchgw %2, %1 \n\t"
+ : "+a" (CompareValue), // %0
+ "+m" (*Value) // %1
+ : "r" (ExchangeValue) // %2
: "memory",
"cc"
);
|