diff options
Diffstat (limited to 'sysdeps/sparc/sparc32/atomic-machine.h')
| -rw-r--r-- | sysdeps/sparc/sparc32/atomic-machine.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sysdeps/sparc/sparc32/atomic-machine.h b/sysdeps/sparc/sparc32/atomic-machine.h index d6e68f9301..31871dc344 100644 --- a/sysdeps/sparc/sparc32/atomic-machine.h +++ b/sysdeps/sparc/sparc32/atomic-machine.h @@ -1,5 +1,5 @@ /* Atomic operations. sparc32 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. @@ -50,6 +50,9 @@ 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 + /* We have no compare and swap, just test and set. The following implementation contends on 64 global locks |