diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomic_word.h')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomic_word.h | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomic_word.h b/gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomic_word.h deleted file mode 100644 index f2bdbbc96..000000000 --- a/gcc-4.4.3/libstdc++-v3/config/cpu/generic/atomic_word.h +++ /dev/null @@ -1,47 +0,0 @@ -// Low-level type for atomic operations -*- C++ -*- - -// Copyright (C) 2004, 2009 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 -// terms of the GNU General Public License as published by the -// Free Software Foundation; either version 3, or (at your option) -// any later version. - -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. - -// Under Section 7 of GPL version 3, you are granted additional -// permissions described in the GCC Runtime Library Exception, version -// 3.1, as published by the Free Software Foundation. - -// You should have received a copy of the GNU General Public License and -// a copy of the GCC Runtime Library Exception along with this program; -// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -// <http://www.gnu.org/licenses/>. - -/** @file atomic_word.h - * This file is a GNU extension to the Standard C++ Library. - */ - -#ifndef _GLIBCXX_ATOMIC_WORD_H -#define _GLIBCXX_ATOMIC_WORD_H 1 - -typedef int _Atomic_word; - -// Define these two macros using the appropriate memory barrier for the target. -// The commented out versions below are the defaults. -// See ia64/atomic_word.h for an alternative approach. - -// This one prevents loads from being hoisted across the barrier; -// in other words, this is a Load-Load acquire barrier. -// This is necessary iff TARGET_RELAXED_ORDERING is defined in tm.h. -// #define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("":::"memory") - -// This one prevents stores from being sunk across the barrier; in other -// words, a Store-Store release barrier. -// #define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("":::"memory") - -#endif |