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| author | Ivan Maidanski <ivmai@mail.ru> | 2022-02-15 10:14:16 +0300 |
|---|---|---|
| committer | Ivan Maidanski <ivmai@mail.ru> | 2022-02-15 18:14:36 +0300 |
| commit | 83710d2afa4bd9fcbfb01c6cd6a1a049ad182716 (patch) | |
| tree | e0c6cfb70c7ee09ba9ec90f2d578d0b6d7258873 | |
| parent | eef6823ee95efcc9a58f46d62ff49b84de434e7e (diff) | |
| download | libatomic_ops-83710d2afa4bd9fcbfb01c6cd6a1a049ad182716.tar.gz | |
Use builtin_expect in AO_stack_push_explicit_aux_release
* src/atomic_ops_stack.c [AO_USE_ALMOST_LOCK_FREE]
(AO_stack_push_explicit_aux_release): Use AO_EXPECT_FALSE() in
comparison of entries and x_bits.
| -rw-r--r-- | src/atomic_ops_stack.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/atomic_ops_stack.c b/src/atomic_ops_stack.c index 364f84c..69a1a9b 100644 --- a/src/atomic_ops_stack.c +++ b/src/atomic_ops_stack.c @@ -101,11 +101,11 @@ AO_API AO_t *AO_real_next_ptr(AO_t next) /* Start all loads as close to concurrently as possible. */ AO_t entry1 = AO_load(&a->AO_stack_bl[0]); AO_t entry2 = AO_load(&a->AO_stack_bl[1]); - if (entry1 == x_bits || entry2 == x_bits) + if (AO_EXPECT_FALSE(entry1 == x_bits || entry2 == x_bits)) # else int i; for (i = 0; i < AO_BL_SIZE; ++i) - if (AO_load(&a->AO_stack_bl[i]) == x_bits) + if (AO_EXPECT_FALSE(AO_load(&a->AO_stack_bl[i]) == x_bits)) # endif { /* Entry is currently being removed. Change it a little. */ |