X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Fconfig%2Fcpu%2Fpowerpc%2Fatomic_word.h;fp=libstdc%2B%2B-v3%2Fconfig%2Fcpu%2Fpowerpc%2Fatomic_word.h;h=2c7bd823222ff128a96374a5c9ff33708394418d;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git

diff --git a/libstdc++-v3/config/cpu/powerpc/atomic_word.h b/libstdc++-v3/config/cpu/powerpc/atomic_word.h
new file mode 100644
index 00000000..2c7bd823
--- /dev/null
+++ b/libstdc++-v3/config/cpu/powerpc/atomic_word.h
@@ -0,0 +1,37 @@
+// 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/>.
+
+#ifndef _GLIBCXX_ATOMIC_WORD_H
+#define _GLIBCXX_ATOMIC_WORD_H	1
+
+typedef int _Atomic_word;
+
+#define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("isync":::"memory")
+#ifdef __NO_LWSYNC__
+#define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("sync":::"memory")
+#else
+#define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("lwsync":::"memory")
+#endif
+
+#endif