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Add cpu_defines.h for ARM.

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2015-05-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* configure.host: Define cpu_defines_dir for ARM.
	* config/cpu/arm/cpu_defines.h: New file.

From-SVN: r223361
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Ramana Radhakrishnan 2015-05-19 12:47:50 +00:00 committed by Ramana Radhakrishnan
parent bdafd67926
commit 49c6543450
3 changed files with 48 additions and 0 deletions
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5
libstdc++-v3/ChangeLog
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@ -1,3 +1,8 @@
2015-05-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
* configure.host: Define cpu_defines_dir for ARM.
* config/cpu/arm/cpu_defines.h: New file.
2015-05-17 François Dumont <fdumont@gcc.gnu.org>
* include/bits/unordered_map.h (unordered_map, unordered_multimap): Add

40
libstdc++-v3/config/cpu/arm/cpu_defines.h Normal file
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@ -0,0 +1,40 @@
// Specific definitions for generic platforms -*- C++ -*-
// Copyright (C) 2015 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 3, 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.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file bits/cpu_defines.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{iosfwd}
*/
#ifndef _GLIBCXX_CPU_DEFINES
#define _GLIBCXX_CPU_DEFINES 1
// Integer divide instructions don't trap on ARM.
#ifdef __ARM_ARCH_EXT_IDIV__
#define __glibcxx_integral_traps false
#else
#define __glibcxx_integral_traps true
#endif
#endif

3
libstdc++-v3/configure.host
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@ -143,6 +143,9 @@ cpu_include_dir=cpu/${try_cpu}
# Set specific CPU overrides for cpu_defines_dir. Most can just use generic.
# THIS TABLE IS SORTED. KEEP IT THAT WAY.
case "${host_cpu}" in
arm*)
cpu_defines_dir=cpu/arm
;;
powerpc* | rs6000)
cpu_defines_dir=cpu/powerpc
;;