diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/atomic-machine.h')
| -rw-r--r-- | sysdeps/sparc/sparc64/atomic-machine.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/atomic-machine.h b/sysdeps/sparc/sparc64/atomic-machine.h index 44a43ff0f5..72009329c3 100644 --- a/sysdeps/sparc/sparc64/atomic-machine.h +++ b/sysdeps/sparc/sparc64/atomic-machine.h @@ -47,6 +47,9 @@ typedef uintmax_t uatomic_max_t; #define __HAVE_64B_ATOMICS 1 #define USE_ATOMIC_COMPILER_BUILTINS 0 +/* XXX Is this actually correct? */ +#define ATOMIC_EXCHANGE_USES_CAS 1 + #define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \ (abort (), (__typeof (*mem)) 0) |