diff options
Diffstat (limited to 'contrib/libstdc++/config/cpu/powerpc/atomicity.h')
-rw-r--r-- | contrib/libstdc++/config/cpu/powerpc/atomicity.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/contrib/libstdc++/config/cpu/powerpc/atomicity.h b/contrib/libstdc++/config/cpu/powerpc/atomicity.h deleted file mode 100644 index 7314944..0000000 --- a/contrib/libstdc++/config/cpu/powerpc/atomicity.h +++ /dev/null @@ -1,76 +0,0 @@ -// Low-level functions for atomic operations: PowerPC version -*- C++ -*- - -// Copyright (C) 1999, 2000, 2001, 2003, 2004 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. - -#include <bits/atomicity.h> - -#ifdef __PPC405__ -#define _STWCX "sync \n\tstwcx. " -#else -#define _STWCX "stwcx. " -#endif - -namespace __gnu_cxx -{ - _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,%3 \n\t" - "add%I4 %1,%0,%4 \n\t" - _STWCX " %1,0,%3 \n\t" - "bne- 0b \n\t" - "/* End exchange & add */" - : "=&b"(__res), "=&r"(__tmp), "=m" (*__mem) - : "r" (__mem), "Ir"(__val), "m" (*__mem) - : "cr0"); - return __res; - } - - 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,%2 \n\t" - "add%I3 %0,%0,%3 \n\t" - _STWCX " %0,0,%2 \n\t" - "bne- 0b \n\t" - "/* End atomic add */" - : "=&b"(__tmp), "=m" (*__mem) - : "r" (__mem), "Ir"(__val), "m" (*__mem) - : "cr0"); - } -} // namespace __gnu_cxx |