diff options
Diffstat (limited to 'config/cpu/cris/atomicity.h')
| -rw-r--r-- | config/cpu/cris/atomicity.h | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/config/cpu/cris/atomicity.h b/config/cpu/cris/atomicity.h deleted file mode 100644 index 2fc1a8c..0000000 --- a/config/cpu/cris/atomicity.h +++ /dev/null @@ -1,78 +0,0 @@ -// Low-level functions for atomic operations: CRIS version -*- C++ -*- - -// Copyright (C) 2001, 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 - -// This entity must not cross a page boundary. -typedef int _Atomic_word __attribute__ ((__aligned__ (4))); - -static inline _Atomic_word -__attribute__ ((__unused__)) -__exchange_and_add (_Atomic_word* __mem, int __val) -{ - int __tmp; - _Atomic_word __result; - -#if (__CRIS_arch_version >= 10) - __asm__ __volatile__ (" clearf \n" - "0: \n" - " move.d %4,%2 \n" - " move.d [%3],%0 \n" - " add.d %0,%2 \n" - " ax \n" - " move.d %2,[%3] \n" - " bwf 0b \n" - " clearf \n" - : "=&r" (__result), "=m" (*__mem), "=&r" (__tmp) - : "r" (__mem), "g" (__val), "m" (*__mem)); -#else - __asm__ __volatile__ (" move $ccr,$r9 \n" - " di \n" - " move.d %4,%2 \n" - " move.d [%3],%0 \n" - " add.d %0,%2 \n" - " move.d %2,[%3] \n" - " move $r9,$ccr \n" - : "=&r" (__result), "=m" (*__mem), "=&r" (__tmp) - : "r" (__mem), "g" (__val), "m" (*__mem) - : "r9"); -#endif - - return __result; -} - -static inline void -__attribute__ ((__unused__)) -__atomic_add (_Atomic_word* __mem, int __val) -{ - __exchange_and_add (__mem, __val); -} - -#endif /* atomicity.h */ |