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Diffstat (limited to 'sysdeps/alpha/atomic-machine.h')
-rw-r--r--sysdeps/alpha/atomic-machine.h9
1 files changed, 4 insertions, 5 deletions
diff --git a/sysdeps/alpha/atomic-machine.h b/sysdeps/alpha/atomic-machine.h
index d96cb7aa93..c33c6ddec3 100644
--- a/sysdeps/alpha/atomic-machine.h
+++ b/sysdeps/alpha/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.
The GNU C Library is free software; you can redistribute it and/or
@@ -45,6 +45,9 @@ 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
+
#ifdef UP
# define __MB /* nothing */
@@ -210,10 +213,6 @@ 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, __MB, "")
-
#define atomic_compare_and_exchange_val_rel(mem, new, old) \
__atomic_val_bysize (__arch_compare_and_exchange_val, int, \
mem, new, old, __MB, "")