diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h b/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h index 61c30b31fa..f402ac6139 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2010-2016 Free Software Foundation, Inc. +/* Copyright (C) 2010-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. @@ -39,6 +39,9 @@ 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 + /* The only basic operation needed is compare and exchange. */ /* For ColdFire we'll have to trap into the kernel mode anyway, so trap from the library rather then from the kernel wrapper. */ |