diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/atomic-machine.h')
| -rw-r--r-- | sysdeps/sparc/sparc64/atomic-machine.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sysdeps/sparc/sparc64/atomic-machine.h b/sysdeps/sparc/sparc64/atomic-machine.h index c1777fa950..a737dda2c4 100644 --- a/sysdeps/sparc/sparc64/atomic-machine.h +++ b/sysdeps/sparc/sparc64/atomic-machine.h @@ -1,5 +1,5 @@ /* Atomic operations. sparc64 version. - Copyright (C) 2003-2016 Free Software Foundation, Inc. + Copyright (C) 2003-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. @@ -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) |