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atomicity.h: Remove file.

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2008-05-13  David Daney  <ddaney@avtrex.com>

	* config/cpu/mips/atomicity.h: Remove file.
	* config/cpu/mips: Remove directory.
	* configure.host: Remove host specific handling for mips*-*-*.

From-SVN: r135268
This commit is contained in:
David Daney 2008-05-13 17:42:46 +00:00 • committed by David Daney
parent 899015a064
commit 9be33399ba
3 changed files with 6 additions and 95 deletions
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6
libstdc++-v3/ChangeLog
View file

@ -1,3 +1,9 @@
2008-05-13 David Daney <ddaney@avtrex.com>
* config/cpu/mips/atomicity.h: Remove file.
* config/cpu/mips: Remove directory.
* configure.host: Remove host specific handling for mips*-*-*.
2008-05-12 Stefano Soffia <soffia@cs.unipr.it>
Paolo Carlini <paolo.carlini@oracle.com>

86
libstdc++-v3/config/cpu/mips/atomicity.h
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@ -1,86 +0,0 @@
// Low-level functions for atomic operations: MIPS version -*- C++ -*-
// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006
// 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// 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 <ext/atomicity.h>
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
// NB: MIPS II or above required.
_Atomic_word
__attribute__ ((__unused__))
__exchange_and_add(volatile _Atomic_word* __mem, int __val)
{
_Atomic_word __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 %0,0(%2)\n\t"
"addu %1,%3,%0\n\t"
"sc %1,0(%2)\n\t"
".set pop\n\t"
"beqz %1,1b\n\t"
"/* End exchange & add */"
: "=&r"(__result), "=&r"(__tmp)
: "r"(__mem), "r"(__val)
: "memory" );
return __result;
}
void
__attribute__ ((__unused__))
__atomic_add(volatile _Atomic_word* __mem, int __val)
{
_Atomic_word __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 %0,0(%1)\n\t"
"addu %0,%2,%0\n\t"
"sc %0,0(%1)\n\t"
".set pop\n\t"
"beqz %0,1b\n\t"
"/* End atomic add */"
: "=&r"(__result)
: "r"(__mem), "r"(__val)
: "memory" );
}
_GLIBCXX_END_NAMESPACE

9
libstdc++-v3/configure.host
View file

@ -321,15 +321,6 @@ case "${host}" in
fi
esac
;;
mips*-*-*)
case "${host_os}" in
gnu* | linux* | irix*)
;;
*)
atomicity_dir="cpu/generic"
;;
esac
;;
powerpc*-*-darwin*)
port_specific_symbol_files="\$(srcdir)/../config/os/bsd/darwin/ppc-extra.ver"
;;