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| author | Ondřej Bílka <neleai@seznam.cz> | 2014-02-10 14:45:42 +0100 |
|---|---|---|
| committer | Ondřej Bílka <neleai@seznam.cz> | 2014-02-10 15:07:12 +0100 |
| commit | a1ffb40e32741f992c743e7b16c061fefa3747ac (patch) | |
| tree | 246a29a87b26cfd5d07b17070f85eb3785018de9 /malloc/arena.c | |
| parent | 1448f3244714a9dabb5240ec18b094f100887d5c (diff) | |
| download | glibc-a1ffb40e32741f992c743e7b16c061fefa3747ac.tar.gz glibc-a1ffb40e32741f992c743e7b16c061fefa3747ac.tar.xz glibc-a1ffb40e32741f992c743e7b16c061fefa3747ac.zip | |
Use glibc_likely instead __builtin_expect.
Diffstat (limited to 'malloc/arena.c')
| -rw-r--r-- | malloc/arena.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/malloc/arena.c b/malloc/arena.c index 71678a9dc4..60ae9a4c31 100644 --- a/malloc/arena.c +++ b/malloc/arena.c @@ -376,7 +376,7 @@ ptmalloc_init (void) tsd_setspecific (arena_key, (void *) &main_arena); thread_atfork (ptmalloc_lock_all, ptmalloc_unlock_all, ptmalloc_unlock_all2); const char *s = NULL; - if (__builtin_expect (_environ != NULL, 1)) + if (__glibc_likely (_environ != NULL)) { char **runp = _environ; char *envline; @@ -624,7 +624,7 @@ shrink_heap (heap_info *h, long diff) /* Try to re-map the extra heap space freshly to save memory, and make it inaccessible. See malloc-sysdep.h to know when this is true. */ - if (__builtin_expect (check_may_shrink_heap (), 0)) + if (__glibc_unlikely (check_may_shrink_heap ())) { if ((char *) MMAP ((char *) h + new_size, diff, PROT_NONE, MAP_FIXED) == (char *) MAP_FAILED) @@ -863,12 +863,12 @@ arena_get2 (mstate a_tsd, size_t size, mstate avoid_arena) narenas_limit is 0. There is no possibility for narenas to be too big for the test to always fail since there is not enough address space to create that many arenas. */ - if (__builtin_expect (n <= narenas_limit - 1, 0)) + if (__glibc_unlikely (n <= narenas_limit - 1)) { if (catomic_compare_and_exchange_bool_acq (&narenas, n + 1, n)) goto repeat; a = _int_new_arena (size); - if (__builtin_expect (a == NULL, 0)) + if (__glibc_unlikely (a == NULL)) catomic_decrement (&narenas); } else |