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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-07-24 09:00:18 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-07-25 10:07:42 +0200 |
| commit | a1f7d7d430466fe66ead3155a9015ddde237fd44 (patch) | |
| tree | 345c928410b1a7216b48473f4792742389b540e1 /cpukit/score/src/semaphore.c | |
| parent | _SMP_Start_multitasking_on_secondary_processor() (diff) | |
| download | rtems-a1f7d7d430466fe66ead3155a9015ddde237fd44.tar.bz2 | |
score: RTEMS_PREDICT_TRUE(), RTEMS_PREDICT_FALSE()
Add RTEMS_PREDICT_TRUE() and RTEMS_PREDICT_FALSE() for static branch
prediction hints.
Close #3475.
Diffstat (limited to 'cpukit/score/src/semaphore.c')
| -rw-r--r-- | cpukit/score/src/semaphore.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/cpukit/score/src/semaphore.c b/cpukit/score/src/semaphore.c index f76ee332a4..f9b8b48fe1 100644 --- a/cpukit/score/src/semaphore.c +++ b/cpukit/score/src/semaphore.c @@ -53,7 +53,7 @@ void _Semaphore_Wait( struct _Semaphore_Control *_sem ) executing = _Sem_Queue_acquire_critical( sem, &queue_context ); count = sem->count; - if ( __predict_true( count > 0 ) ) { + if ( RTEMS_PREDICT_TRUE( count > 0 ) ) { sem->count = count - 1; _Sem_Queue_release( sem, level, &queue_context ); } else { @@ -86,7 +86,7 @@ int _Semaphore_Wait_timed_ticks( struct _Semaphore_Control *_sem, uint32_t ticks executing = _Sem_Queue_acquire_critical( sem, &queue_context ); count = sem->count; - if ( __predict_true( count > 0 ) ) { + if ( RTEMS_PREDICT_TRUE( count > 0 ) ) { sem->count = count - 1; _Sem_Queue_release( sem, level, &queue_context ); return 0; @@ -121,7 +121,7 @@ int _Semaphore_Try_wait( struct _Semaphore_Control *_sem ) _Sem_Queue_acquire_critical( sem, &queue_context ); count = sem->count; - if ( __predict_true( count > 0 ) ) { + if ( RTEMS_PREDICT_TRUE( count > 0 ) ) { sem->count = count - 1; eno = 0; } else { @@ -145,7 +145,7 @@ void _Semaphore_Post( struct _Semaphore_Control *_sem ) _Sem_Queue_acquire_critical( sem, &queue_context ); heads = sem->Queue.Queue.heads; - if ( __predict_true( heads == NULL ) ) { + if ( RTEMS_PREDICT_TRUE( heads == NULL ) ) { ++sem->count; _Sem_Queue_release( sem, level, &queue_context ); } else { @@ -178,7 +178,7 @@ void _Semaphore_Post_binary( struct _Semaphore_Control *_sem ) _Sem_Queue_acquire_critical( sem, &queue_context ); heads = sem->Queue.Queue.heads; - if ( __predict_true( heads == NULL ) ) { + if ( RTEMS_PREDICT_TRUE( heads == NULL ) ) { sem->count = 1; _Sem_Queue_release( sem, level, &queue_context ); } else { |