diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/bits/atomic.h')
| -rw-r--r-- | sysdeps/sparc/sparc64/bits/atomic.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/bits/atomic.h b/sysdeps/sparc/sparc64/bits/atomic.h index 35804a8e14..48b7fd6216 100644 --- a/sysdeps/sparc/sparc64/bits/atomic.h +++ b/sysdeps/sparc/sparc64/bits/atomic.h @@ -121,3 +121,6 @@ typedef uintmax_t uatomic_max_t; __asm __volatile ("membar #LoadLoad | #LoadStore" : : : "memory") #define atomic_write_barrier() \ __asm __volatile ("membar #LoadStore | #StoreStore" : : : "memory") + +extern void __cpu_relax (void); +#define atomic_spin_nop () __cpu_relax () |