diff options
Diffstat (limited to 'include/atomic')
| -rw-r--r-- | include/atomic/x86-gcc.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/atomic/x86-gcc.h b/include/atomic/x86-gcc.h index d79dadbf05e..726c98213fb 100644 --- a/include/atomic/x86-gcc.h +++ b/include/atomic/x86-gcc.h @@ -35,7 +35,7 @@ asm volatile (LOCK "; xadd %0, %1;" : "+r" (v) , "+m" (*a)) #endif #define make_atomic_swap_body(S) \ - asm volatile ("; xchg %0, %1;" : "+r" (v) , "+m" (*a)) + asm volatile ("; xchg %0, %1;" : "+q" (v) , "+m" (*a)) #define make_atomic_cas_body(S) \ asm volatile (LOCK "; cmpxchg %3, %0; setz %2;" \ : "+m" (*a), "+a" (*cmp), "=q" (ret): "r" (set)) |