From 49c65434500d0bcd66bb0f3cea11b0fe1da6e130 Mon Sep 17 00:00:00 2001 From: Ramana Radhakrishnan Date: Tue, 19 May 2015 12:47:50 +0000 Subject: [PATCH] Add cpu_defines.h for ARM. 2015-05-17 Ramana Radhakrishnan * configure.host: Define cpu_defines_dir for ARM. * config/cpu/arm/cpu_defines.h: New file. From-SVN: r223361 --- libstdc++-v3/ChangeLog | 5 +++ libstdc++-v3/config/cpu/arm/cpu_defines.h | 40 +++++++++++++++++++++++ libstdc++-v3/configure.host | 3 ++ 3 files changed, 48 insertions(+) create mode 100644 libstdc++-v3/config/cpu/arm/cpu_defines.h diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index c8f14d00469..f548264ef85 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,8 @@ +2015-05-17 Ramana Radhakrishnan + + * configure.host: Define cpu_defines_dir for ARM. + * config/cpu/arm/cpu_defines.h: New file. + 2015-05-17 François Dumont * include/bits/unordered_map.h (unordered_map, unordered_multimap): Add diff --git a/libstdc++-v3/config/cpu/arm/cpu_defines.h b/libstdc++-v3/config/cpu/arm/cpu_defines.h new file mode 100644 index 00000000000..a7f5f9a3914 --- /dev/null +++ b/libstdc++-v3/config/cpu/arm/cpu_defines.h @@ -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 +// . + +/** @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 diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host index a349ce3dbd9..465a40a437e 100644 --- a/libstdc++-v3/configure.host +++ b/libstdc++-v3/configure.host @@ -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 ;; -- 2.30.2