diff options
Diffstat (limited to 'sysdeps/ia64/bits')
| -rw-r--r-- | sysdeps/ia64/bits/atomic.h | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/sysdeps/ia64/bits/atomic.h b/sysdeps/ia64/bits/atomic.h index ccbd4f81ae..27346675ab 100644 --- a/sysdeps/ia64/bits/atomic.h +++ b/sysdeps/ia64/bits/atomic.h @@ -74,17 +74,12 @@ typedef uintmax_t uatomic_max_t; (long) (newval)) /* Atomically store newval and return the old value. */ -#define atomic_exchange(mem, value) \ - ({ __typeof (*mem) __result; \ - if (sizeof (*mem) == 4) \ - __result = __sync_lock_test_and_set_si ((int *) (mem), (int) (value)); \ - else if (sizeof (*mem) == 8) \ - __result = __sync_lock_test_and_set_di ((long *) (mem), \ - (long) (value)); \ - else \ - abort (); \ - __result; }) - +#define atomic_exchange_acq(mem, value) \ + __sync_lock_test_and_set (mem, value) + +#define atomic_exchange_rel(mem, value) \ + (__sync_synchronize (), __sync_lock_test_and_set (mem, value)) + #define atomic_exchange_and_add(mem, value) \ ({ __typeof (*mem) __result; \ |