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Diffstat (limited to 'config/cpu/mips/atomicity.h')
| -rw-r--r-- | config/cpu/mips/atomicity.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/config/cpu/mips/atomicity.h b/config/cpu/mips/atomicity.h deleted file mode 100644 index be471af..0000000 --- a/config/cpu/mips/atomicity.h +++ /dev/null @@ -1,83 +0,0 @@ -// Low-level functions for atomic operations. - -// Copyright (C) 2001, 2002, 2003 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 _GLIBCXX_ATOMICITY_H -#define _GLIBCXX_ATOMICITY_H 1 - -typedef int _Atomic_word; - -static inline int -__attribute__ ((__unused__)) -__exchange_and_add (volatile _Atomic_word* __mem, int __val) -{ - int __result, __tmp; - - __asm__ __volatile__ - ("/* Inline exchange & add */\n\t" - "1:\n\t" - ".set push\n\t" -#if _MIPS_SIM == _ABIO32 - ".set mips2\n\t" -#endif - "ll %0,%3\n\t" - "addu %1,%4,%0\n\t" - "sc %1,%2\n\t" - ".set pop\n\t" - "beqz %1,1b\n\t" - "/* End exchange & add */" - : "=&r" (__result), "=&r" (__tmp), "=m" (*__mem) - : "m" (*__mem), "r" (__val)); - - return __result; -} - -static inline void -__attribute__ ((__unused__)) -__atomic_add (volatile _Atomic_word* __mem, int __val) -{ - int __result; - - __asm__ __volatile__ - ("/* Inline atomic add */\n\t" - "1:\n\t" - ".set push\n\t" -#if _MIPS_SIM == _ABIO32 - ".set mips2\n\t" -#endif - "ll %0,%2\n\t" - "addu %0,%3,%0\n\t" - "sc %0,%1\n\t" - ".set pop\n\t" - "beqz %0,1b\n\t" - "/* End atomic add */" - : "=&r" (__result), "=m" (*__mem) - : "m" (*__mem), "r" (__val)); -} - -#endif /* atomicity.h */ |