diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/nios2/atomic-machine.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/nios2/atomic-machine.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/nios2/atomic-machine.h b/sysdeps/unix/sysv/linux/nios2/atomic-machine.h index e246dee578..32e17fb970 100644 --- a/sysdeps/unix/sysv/linux/nios2/atomic-machine.h +++ b/sysdeps/unix/sysv/linux/nios2/atomic-machine.h @@ -1,5 +1,5 @@ /* Low-level functions for atomic operations. Nios II version. - Copyright (C) 2012-2016 Free Software Foundation, Inc. + Copyright (C) 2012-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -34,6 +34,9 @@ typedef uintmax_t uatomic_max_t; #define __HAVE_64B_ATOMICS 0 #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) #define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \ |