diff options
Diffstat (limited to 'linuxthreads/sysdeps/sparc')
| -rw-r--r-- | linuxthreads/sysdeps/sparc/sparc64/pt-machine.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h b/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h index e22f4fe..e5695c0 100644 --- a/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h +++ b/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h @@ -38,9 +38,11 @@ testandset (int *spinlock) /* Memory barrier; default is to do nothing */ -/* FIXME: is stbar OK, or should we use the more general membar instruction? - If so, which mode to pass to membar? */ -#define MEMORY_BARRIER() __asm__ __volatile__("stbar" : : : "memory") +#define MEMORY_BARRIER() \ + __asm__ __volatile__("membar #LoadLoad | #LoadStore | #StoreLoad | #StoreStore" : : : "memory") +/* Read barrier. */ +#define READ_MEMORY_BARRIER() \ + __asm__ __volatile__("membar #LoadLoad | #LoadStore" : : : "memory") /* Write barrier. */ #define WRITE_MEMORY_BARRIER() \ __asm__ __volatile__("membar #StoreLoad | #StoreStore" : : : "memory") |