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| author | Ulrich Drepper <drepper@redhat.com> | 2003-03-18 00:31:30 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-03-18 00:31:30 +0000 |
| commit | bd0fa4cefd54effb6ff52c2a497517b95aa44c0a (patch) | |
| tree | 173b9f1730edb8baa7a73c7b42206ab9d35bdc45 /nptl/sysdeps/ia64 | |
| parent | 0a8d800411363fd53a3992847dc29ee7ed109046 (diff) | |
| download | glibc-bd0fa4cefd54effb6ff52c2a497517b95aa44c0a.tar.gz glibc-bd0fa4cefd54effb6ff52c2a497517b95aa44c0a.tar.xz glibc-bd0fa4cefd54effb6ff52c2a497517b95aa44c0a.zip | |
Add __builtin_expect where appropriate.
Diffstat (limited to 'nptl/sysdeps/ia64')
| -rw-r--r-- | nptl/sysdeps/ia64/bits/atomic.h | 26 | ||||
| -rw-r--r-- | nptl/sysdeps/ia64/pthread_spin_unlock.c | 6 |
2 files changed, 16 insertions, 16 deletions
diff --git a/nptl/sysdeps/ia64/bits/atomic.h b/nptl/sysdeps/ia64/bits/atomic.h index cfccc6ad71..fab23076cd 100644 --- a/nptl/sysdeps/ia64/bits/atomic.h +++ b/nptl/sysdeps/ia64/bits/atomic.h @@ -76,20 +76,22 @@ typedef uintmax_t uatomic_max_t; __val = *__memp; \ if (sizeof (*mem) == 4) \ do \ - __oldval = __val; \ - while ((__val \ - = __arch_compare_and_exchange_32_val_acq (__memp, \ - __oldval + __value, \ - __oldval)) \ - != __oldval); \ + { \ + __oldval = __val; \ + __val = __arch_compare_and_exchange_32_val_acq (__memp, \ + __oldval + __value, \ + __oldval); \ + } \ + while (__builtin_expect (__val != __oldval, 0)); \ else if (sizeof (*mem) == 8) \ do \ - __oldval = __val; \ - while ((__val \ - = __arch_compare_and_exchange_64_val_acq (__memp, \ - __oldval + __value, \ - __oldval)) \ - != __oldval); \ + { \ + __oldval = __val; \ + __val = __arch_compare_and_exchange_64_val_acq (__memp, \ + __oldval + __value, \ + __oldval); \ + } \ + while (__builtin_expect (__val != __oldval, 0)); \ else \ abort (); \ __oldval + __value; }) diff --git a/nptl/sysdeps/ia64/pthread_spin_unlock.c b/nptl/sysdeps/ia64/pthread_spin_unlock.c index b3f1ff1628..90191880b7 100644 --- a/nptl/sysdeps/ia64/pthread_spin_unlock.c +++ b/nptl/sysdeps/ia64/pthread_spin_unlock.c @@ -17,15 +17,13 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -/* Ugly hack to avoid the declaration of pthread_spin_init. */ -#define pthread_spin_init pthread_spin_init_XXX #include "pthreadP.h" -#undef pthread_spin_init + int pthread_spin_unlock (pthread_spinlock_t *lock) { - *lock = 0; + __sync_lock_release_si ((int *) lock); return 0; } strong_alias (pthread_spin_unlock, pthread_spin_init) |