Commit 3afcc0bb authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont

Remove unused barrier()

parent a09b86ce
......@@ -148,7 +148,6 @@ typedef struct vlc_timer *vlc_timer_t;
/* Unnamed POSIX semaphores not supported on Mac OS X */
# include <mach/semaphore.h>
# include <mach/task.h>
# include <libkern/OSAtomic.h> /* OSMemoryBarrier() */
# define LIBVLC_USE_PTHREAD 1
# define LIBVLC_USE_PTHREAD_CLEANUP 1
# define LIBVLC_USE_PTHREAD_CANCEL 1
......@@ -486,29 +485,6 @@ static inline void vlc_spin_init (vlc_spinlock_t *spin)
# define vlc_spin_destroy vlc_mutex_destroy
#endif
/**
* Issues a full memory barrier.
*/
static inline void barrier (void)
{
#if defined (__GNUC__) && !defined (__APPLE__) && \
((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
__sync_synchronize ();
#elif defined(__APPLE__)
OSMemoryBarrier ();
#elif defined(__powerpc__)
asm volatile ("sync":::"memory");
#elif 0 // defined(__i386__) /* Requires SSE2 support */
asm volatile ("mfence":::"memory");
#else
vlc_spinlock_t spin;
vlc_spin_init (&spin);
vlc_spin_lock (&spin);
vlc_spin_unlock (&spin);
vlc_spin_destroy (&spin);
#endif
}
#ifdef __cplusplus
/**
* Helper C++ class to lock a mutex.
......
......@@ -75,7 +75,6 @@ static void block_Invalidate (block_t *block)
block->p_next = NULL;
block_Check (block);
block->pf_release = BlockNoRelease;
barrier (); /* prevent compiler from optimizing this assignment out */
}
#else
# define block_Check(b) ((void)(b))
......
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