diff options
Diffstat (limited to 'sysdeps/m68k/coldfire')
| -rw-r--r-- | sysdeps/m68k/coldfire/atomic-machine.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/m68k/coldfire/atomic-machine.h b/sysdeps/m68k/coldfire/atomic-machine.h index 9aeb993487..d2e4a1f15d 100644 --- a/sysdeps/m68k/coldfire/atomic-machine.h +++ b/sysdeps/m68k/coldfire/atomic-machine.h @@ -53,6 +53,9 @@ 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 + /* The only basic operation needed is compare and exchange. */ #define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \ ({ __typeof (mem) __gmemp = (mem); \ |