Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / config / cpu / powerpc / bits / atomicity.h

diff --git a/libstdc++-v3/config/cpu/powerpc/bits/atomicity.h b/libstdc++-v3/config/cpu/powerpc/bits/atomicity.h
deleted file mode 100644 (file)
index 05addba..0000000
--- a/libstdc++-v3/config/cpu/powerpc/bits/atomicity.h
+++ /dev/null
@@ -1,112 +0,0 @@
-// Low-level functions for atomic operations: PowerPC version  -*- C++ -*-
-
-// Copyright (C) 1999, 2000, 2001 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 2, 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.
-
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING.  If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
-
-// As a special exception, you may use this file as part of a free software
-// library without restriction.  Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License.  This exception does not however
-// 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
-
-typedef int _Atomic_word;
-
-static inline _Atomic_word
-__attribute__ ((__unused__))
-__exchange_and_add (volatile _Atomic_word* __mem, int __val)
-{
-  _Atomic_word __tmp, __res;
-  __asm__ __volatile__ (
-       "/* Inline exchange & add */\n"
-       "0:\t"
-       "lwarx    %0,0,%2 \n\t"
-       "add%I3   %1,%0,%3 \n\t"
-       "stwcx.   %1,0,%2 \n\t"
-       "bne-     0b \n\t"
-       "/* End exchange & add */"
-       : "=&b"(__res), "=&r"(__tmp)
-       : "r" (__mem), "Ir"(__val)
-       : "cr0", "memory");
-  return __res;
-}
-
-static inline void
-__attribute__ ((__unused__))
-__atomic_add (volatile _Atomic_word *__mem, int __val)
-{
-  _Atomic_word __tmp;
-  __asm__ __volatile__ (
-       "/* Inline atomic add */\n"
-       "0:\t"
-       "lwarx    %0,0,%1 \n\t"
-       "add%I2   %0,%0,%2 \n\t"
-       "stwcx.   %0,0,%1 \n\t"
-       "bne-     0b \n\t"
-       "/* End atomic add */"
-       : "=&b"(__tmp)
-       : "r" (__mem), "Ir"(__val)
-       : "cr0", "memory");
-}
-
-static inline long
-__attribute__ ((__unused__))
-__always_swap (volatile long *__p, long int __newval)
-{
-  long __res;
-  __asm__ __volatile__ (
-       "/* Inline always swap */\n"
-       "0:\t"
-       "lwarx    %0,0,%1 \n\t"
-       "stwcx.   %2,0,%1 \n\t"
-       "bne-     0b \n\t"
-       "/* End always swap */"
-       : "=&r"(__res)
-       : "r"(__p), "r"(__newval)
-       : "cr0", "memory");
-  return __res;
-}
-
-static inline int
-__attribute__ ((__unused__))
-__test_and_set (volatile long *__p, long int __newval)
-{
-  int __res;
-  __asm__ __volatile__ (
-       "/* Inline test & set */\n"
-       "0:\t"
-       "lwarx    %0,0,%1 \n\t"
-       "cmpwi    %0,0 \n\t"
-       "bne-     1f \n\t"
-       "stwcx.   %2,0,%1 \n\t"
-       "bne-     0b \n"
-       "1:\n\t"
-       "/* End test & set */"
-       : "=&r"(__res)
-       : "r"(__p), "r"(__newval)
-       : "cr0", "memory");
-  return __res;
-}
-
-#endif /* atomicity.h */
-