[gcc] GCC 4.5.0=>4.5.1

gcc/libstdc++-v3/config/cpu/m68k/atomicity.h

Index: gcc/libstdc++-v3/config/cpu/m68k/atomicity.h
diff --git a/gcc/libstdc++-v3/config/cpu/m68k/atomicity.h b/gcc/libstdc++-v3/config/cpu/m68k/atomicity.h
deleted file mode 100644
index e6cdbeebc2774d4477174970d09a924f457ca046..0000000000000000000000000000000000000000
--- a/gcc/libstdc++-v3/config/cpu/m68k/atomicity.h
+++ /dev/null
@@ -1,129 +0,0 @@
-// Low-level functions for atomic operations: m68k version -*- C++ -*-
-
-// Copyright (C) 2001, 2002, 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)
-
-#if ( defined(__mc68020__) || defined(__mc68030__) \
-      || defined(__mc68040__) || defined(__mc68060__) ) \
-    && !defined(__mcpu32__)
-  // These variants support compare-and-swap.
-  _Atomic_word 
-  __attribute__ ((__unused__))
-  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
-  {
-    register _Atomic_word __result = *__mem;
-    register _Atomic_word __temp;
-    __asm__ __volatile__ ("1: move%.l %0,%1\n\t"
-			  "add%.l %3,%1\n\t"
-			  "cas%.l %0,%1,%2\n\t"
-			  "jne 1b"
-			  : "=d" (__result), "=&d" (__temp), "=m" (*__mem)
-			  : "d" (__val), "0" (__result), "m" (*__mem));
-    return __result;
-  }
-
-#elif defined(__rtems__)
-  // TAS/JBNE is unsafe on systems with strict priority-based scheduling.
-  // Disable interrupts, which we can do only from supervisor mode.
-  _Atomic_word
-  __attribute__ ((__unused__))
-  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
-  {
-    _Atomic_word __result;
-    short __level, __tmpsr;
-    __asm__ __volatile__ ("move%.w %%sr,%0\n\tor%.l %0,%1\n\tmove%.w %1,%%sr"
-			  : "=d"(__level), "=d"(__tmpsr) : "1"(0x700));
-    
-    __result = *__mem;
-    *__mem = __result + __val;    
-    __asm__ __volatile__ ("move%.w %0,%%sr" : : "d"(__level));
-    
-    return __result;
-  }
-
-#else
-  
-  template<int __inst>
-    struct _Atomicity_lock
-    {
-      static volatile unsigned char _S_atomicity_lock;
-    };
-
-  template<int __inst>
-  volatile unsigned char _Atomicity_lock<__inst>::_S_atomicity_lock = 0;
-  
-  template volatile unsigned char _Atomicity_lock<0>::_S_atomicity_lock;
-  
-  _Atomic_word 
-  __attribute__ ((__unused__))
-  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
-  {
-    _Atomic_word __result;
-    
-    // bset with no immediate addressing (not SMP-safe)
-#if defined(__mcfisaa__) || defined(__mcfisaaplus__)
-    __asm__ __volatile__("1: bset.b #7,%0@\n\tjbne 1b"
-			 : /* no outputs */
-			 : "a"(&_Atomicity_lock<0>::_S_atomicity_lock)
-			 : "cc", "memory");
-    
-    // CPU32 and CF ISAs B & C support test-and-set (SMP-safe).
-#elif defined(__mcpu32__) || defined(__mcfisab__) || defined (__mcfisac__)
-    __asm__ __volatile__("1: tas %0\n\tjbne 1b"
-			 : "+m"(_Atomicity_lock<0>::_S_atomicity_lock)
-			 : /* none */
-			 : "cc");
-    
-    // Use bset with immediate addressing for 68000/68010 (not SMP-safe)
-    // NOTE: TAS is available on the 68000, but unsupported by some Amiga
-    // memory controllers.
-#else
-    __asm__ __volatile__("1: bset.b #7,%0\n\tjbne 1b"
-			 : "+m"(_Atomicity_lock<0>::_S_atomicity_lock)
-			 : /* none */
-			 : "cc");
-#endif
-    
-    __result = *__mem;
-    *__mem = __result + __val;
-    
-    _Atomicity_lock<0>::_S_atomicity_lock = 0;
-    
-    return __result;
-  }
-  
-#endif /* TAS / BSET */
-
-  void
-  __attribute__ ((__unused__))
-  __atomic_add(volatile _Atomic_word* __mem, int __val)
-  {
-    // Careful: using add.l with a memory destination is not
-    // architecturally guaranteed to be atomic.
-    __exchange_and_add(__mem, __val);
-  }
-
-_GLIBCXX_END_NAMESPACE