diff options
Diffstat (limited to 'contrib/libstdc++/config/cpu/alpha/atomicity.h')
| -rw-r--r-- | contrib/libstdc++/config/cpu/alpha/atomicity.h | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/contrib/libstdc++/config/cpu/alpha/atomicity.h b/contrib/libstdc++/config/cpu/alpha/atomicity.h index 895d87a..4eb311b 100644 --- a/contrib/libstdc++/config/cpu/alpha/atomicity.h +++ b/contrib/libstdc++/config/cpu/alpha/atomicity.h @@ -1,6 +1,6 @@ // Low-level functions for atomic operations: Alpha version -*- C++ -*- -// Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc. +// Copyright (C) 1999, 2000, 2001, 2003, 2004 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the @@ -27,23 +27,22 @@ // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. -#ifndef _BITS_ATOMICITY_H -#define _BITS_ATOMICITY_H 1 +#include <bits/atomicity.h> /* @@@ With gas we can play nice .subsection games to get the non-predicted branch pointing forward. But Digital assemblers don't understand those directives. This isn't a terribly important issue, so just ignore it. */ -typedef int _Atomic_word; - -static inline _Atomic_word -__attribute__ ((__unused__)) -__exchange_and_add (volatile _Atomic_word* __mem, int __val) +namespace __gnu_cxx { - register int __result, __tmp; - - __asm__ __volatile__ ( + _Atomic_word + __attribute__ ((__unused__)) + __exchange_and_add(volatile _Atomic_word* __mem, int __val) + { + register int __result, __tmp; + + __asm__ __volatile__ ( "\n$Lxadd_%=:\n\t" "ldl_l %0,%3\n\t" "addl %0,%4,%1\n\t" @@ -53,16 +52,16 @@ __exchange_and_add (volatile _Atomic_word* __mem, int __val) : "=&r"(__result), "=&r"(__tmp), "=m"(*__mem) : "m" (*__mem), "r"(__val)); - return __result; -} + return __result; + } -static inline void -__attribute__ ((__unused__)) -__atomic_add (volatile _Atomic_word* __mem, int __val) -{ - register _Atomic_word __result; + void + __attribute__ ((__unused__)) + __atomic_add(volatile _Atomic_word* __mem, int __val) + { + register _Atomic_word __result; - __asm__ __volatile__ ( + __asm__ __volatile__ ( "\n$Ladd_%=:\n\t" "ldl_l %0,%2\n\t" "addl %0,%3,%0\n\t" @@ -71,6 +70,6 @@ __atomic_add (volatile _Atomic_word* __mem, int __val) "mb" : "=&r"(__result), "=m"(*__mem) : "m" (*__mem), "r"(__val)); -} + } +} // namespace __gnu_cxx -#endif /* atomicity.h */ |
