[gcc] GCC 4.5.0=>4.5.1

gcc/libstdc++-v3/config/cpu/i386/atomicity.h

Index: gcc/libstdc++-v3/config/cpu/i386/atomicity.h
diff --git a/gcc/libstdc++-v3/config/cpu/i386/atomicity.h b/gcc/libstdc++-v3/config/cpu/i386/atomicity.h
deleted file mode 100644
index de2b329e8781ffeb3c22478f0b267d1deec1f1c7..0000000000000000000000000000000000000000
--- a/gcc/libstdc++-v3/config/cpu/i386/atomicity.h
+++ /dev/null
@@ -1,70 +0,0 @@
-// Low-level functions for atomic operations: x86, x >= 3 version  -*- C++ -*-
-
-// Copyright (C) 2003, 2004, 2005, 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/>.
-
-#include <ext/atomicity.h>
-
-_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
-
-  template<int __inst>
-    struct _Atomicity_lock
-    {
-      static volatile _Atomic_word _S_atomicity_lock;
-    };
-
-  template<int __inst>
-  volatile _Atomic_word _Atomicity_lock<__inst>::_S_atomicity_lock = 0;
-
-  template volatile _Atomic_word _Atomicity_lock<0>::_S_atomicity_lock;
-  
-  _Atomic_word 
-  __attribute__ ((__unused__))
-  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
-  {
-    register _Atomic_word __result, __tmp = 1;
-    
-    // Obtain the atomic exchange/add spin lock.
-    do 
-      {
-	__asm__ __volatile__ ("xchg{l} {%0,%1|%1,%0}"
-			      : "=m" (_Atomicity_lock<0>::_S_atomicity_lock),
-			      "+r" (__tmp)
-			      : "m" (_Atomicity_lock<0>::_S_atomicity_lock));
-      } 
-    while (__tmp);
-    
-    __result = *__mem;
-    *__mem += __val;
-    
-    // Release spin lock.
-    _Atomicity_lock<0>::_S_atomicity_lock = 0;
-    
-    return __result;
-  }
-  
-  void
-  __attribute__ ((__unused__))
-  __atomic_add(volatile _Atomic_word* __mem, int __val)
-  { __exchange_and_add(__mem, __val); }
-
-_GLIBCXX_END_NAMESPACE