X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Fconfig%2Fcpu%2Fpowerpc%2Fbits%2Fatomicity.h;fp=libstdc%2B%2B-v3%2Fconfig%2Fcpu%2Fpowerpc%2Fbits%2Fatomicity.h;h=0000000000000000000000000000000000000000;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=05addba57850a9096cc6d28de4ebf6dc5893ef3d;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/config/cpu/powerpc/bits/atomicity.h b/libstdc++-v3/config/cpu/powerpc/bits/atomicity.h deleted file mode 100644 index 05addba5..00000000 --- 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 */ -