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| author | Ivan Maidanski <ivmai@mail.ru> | 2013-03-29 08:00:42 +0400 |
|---|---|---|
| committer | Ivan Maidanski <ivmai@mail.ru> | 2013-03-29 14:01:20 +0400 |
| commit | 556e6348fc490f6f825c9304fae551a50ce6de3e (patch) | |
| tree | e06bf4afff91bd8e8ca998fd24e04f834ac660b7 | |
| parent | 2d8afff72a4d5f6d27022a2f7529406d61f57970 (diff) | |
Fix fetch_compare_and_swap asm constraints in gcc/x86.h
* src/atomic_ops/sysdeps/gcc/x86.h (AO_fetch_compare_and_swap_full):
Use same asm constraints for old_val and new_val as in
AO_compare_and_swap_full.
| -rw-r--r-- | src/atomic_ops/sysdeps/gcc/x86.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/atomic_ops/sysdeps/gcc/x86.h b/src/atomic_ops/sysdeps/gcc/x86.h index bed51d1..9ce3949 100644 --- a/src/atomic_ops/sysdeps/gcc/x86.h +++ b/src/atomic_ops/sysdeps/gcc/x86.h @@ -163,7 +163,7 @@ AO_fetch_compare_and_swap_full(volatile AO_t *addr, AO_t old_val, AO_t fetched_val; __asm__ __volatile__ ("lock; cmpxchg %3, %4" : "=a" (fetched_val), "=m" (*addr) - : "0" (old_val), "q" (new_val), "m" (*addr) + : "a" (old_val), "r" (new_val), "m" (*addr) : "memory"); return fetched_val; # endif |