diff options
Diffstat (limited to 'sysdeps/aarch64/atomic-machine.h')
| -rw-r--r-- | sysdeps/aarch64/atomic-machine.h | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/sysdeps/aarch64/atomic-machine.h b/sysdeps/aarch64/atomic-machine.h index 28c80dc42d..63b24e625c 100644 --- a/sysdeps/aarch64/atomic-machine.h +++ b/sysdeps/aarch64/atomic-machine.h @@ -1,4 +1,4 @@ -/* 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. @@ -38,6 +38,7 @@ typedef uintmax_t uatomic_max_t; #define __HAVE_64B_ATOMICS 1 #define USE_ATOMIC_COMPILER_BUILTINS 1 +#define ATOMIC_EXCHANGE_USES_CAS 0 /* Compare and exchange. For all "bool" routines, we return FALSE if exchange succesful. */ @@ -115,10 +116,6 @@ typedef uintmax_t uatomic_max_t; /* Compare and exchange with "release" semantics, ie barrier before. */ -# define atomic_compare_and_exchange_bool_rel(mem, new, old) \ - __atomic_bool_bysize (__arch_compare_and_exchange_bool, int, \ - mem, new, old, __ATOMIC_RELEASE) - # define atomic_compare_and_exchange_val_rel(mem, new, old) \ __atomic_val_bysize (__arch_compare_and_exchange_val, int, \ mem, new, old, __ATOMIC_RELEASE) |