compiler.hh revision 10291
13938Ssaidi@eecs.umich.edu/* 29419Sandreas.hansson@arm.com * Copyright (c) 2012 ARM Limited 39419Sandreas.hansson@arm.com * All rights reserved 49419Sandreas.hansson@arm.com * 59419Sandreas.hansson@arm.com * The license below extends only to copyright in the software and shall 69419Sandreas.hansson@arm.com * not be construed as granting a license to any other intellectual 79419Sandreas.hansson@arm.com * property including but not limited to intellectual property relating 89419Sandreas.hansson@arm.com * to a hardware implementation of the functionality of the software 99419Sandreas.hansson@arm.com * licensed hereunder. You may use the software subject to the license 109419Sandreas.hansson@arm.com * terms below provided that you ensure that this notice is replicated 119419Sandreas.hansson@arm.com * unmodified and in its entirety in all distributions of the software, 129419Sandreas.hansson@arm.com * modified or unmodified, in source code or in binary form. 139419Sandreas.hansson@arm.com * 143938Ssaidi@eecs.umich.edu * Copyright (c) 2006 The Regents of The University of Michigan 153938Ssaidi@eecs.umich.edu * All rights reserved. 163938Ssaidi@eecs.umich.edu * 173938Ssaidi@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 183938Ssaidi@eecs.umich.edu * modification, are permitted provided that the following conditions are 193938Ssaidi@eecs.umich.edu * met: redistributions of source code must retain the above copyright 203938Ssaidi@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 213938Ssaidi@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 223938Ssaidi@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 233938Ssaidi@eecs.umich.edu * documentation and/or other materials provided with the distribution; 243938Ssaidi@eecs.umich.edu * neither the name of the copyright holders nor the names of its 253938Ssaidi@eecs.umich.edu * contributors may be used to endorse or promote products derived from 263938Ssaidi@eecs.umich.edu * this software without specific prior written permission. 273938Ssaidi@eecs.umich.edu * 283938Ssaidi@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 293938Ssaidi@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 303938Ssaidi@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 313938Ssaidi@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 323938Ssaidi@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 333938Ssaidi@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 343938Ssaidi@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 353938Ssaidi@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 363938Ssaidi@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 373938Ssaidi@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 383938Ssaidi@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 393938Ssaidi@eecs.umich.edu * 403938Ssaidi@eecs.umich.edu * Authors: Ali Saidi 413938Ssaidi@eecs.umich.edu */ 423938Ssaidi@eecs.umich.edu 433938Ssaidi@eecs.umich.edu#ifndef __BASE_COMPILER_HH__ 443938Ssaidi@eecs.umich.edu#define __BASE_COMPILER_HH__ 453938Ssaidi@eecs.umich.edu 4610291SAndreas.Sandberg@ARM.com// gcc C++11 status: http://gcc.gnu.org/projects/cxx0x.html 4710291SAndreas.Sandberg@ARM.com// clang C++11 status: http://clang.llvm.org/cxx_status.html 489419Sandreas.hansson@arm.com// http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html 493938Ssaidi@eecs.umich.edu 5010291SAndreas.Sandberg@ARM.com/* Support for override control (final/override) */ 5110291SAndreas.Sandberg@ARM.com#undef M5_COMP_HAS_OVERRIDE_CONTROL 5210291SAndreas.Sandberg@ARM.com 5310291SAndreas.Sandberg@ARM.com#if defined(__GNUC__) && !defined(__clang__) /* Check for gcc */ 5410291SAndreas.Sandberg@ARM.com 5510291SAndreas.Sandberg@ARM.com# define M5_GCC_VERSION(maj, min) \ 5610291SAndreas.Sandberg@ARM.com (__GNUC__ > (maj) || (__GNUC__ == (maj) && __GNUC_MINOR__ >= (min))) 5710291SAndreas.Sandberg@ARM.com 5810291SAndreas.Sandberg@ARM.com# define M5_COMP_HAS_OVERRIDE_CONTROL M5_GCC_VERSION(4, 7) 5910291SAndreas.Sandberg@ARM.com 6010291SAndreas.Sandberg@ARM.com#elif defined(__clang__) /* Check for clang */ 6110291SAndreas.Sandberg@ARM.com 6210291SAndreas.Sandberg@ARM.com# define M5_COMP_HAS_OVERRIDE_CONTROL __has_feature(cxx_override_control) 6310291SAndreas.Sandberg@ARM.com 6410291SAndreas.Sandberg@ARM.com#else 6510291SAndreas.Sandberg@ARM.com# error "Need to define compiler options in base/compiler.hh" 6610291SAndreas.Sandberg@ARM.com#endif 6710291SAndreas.Sandberg@ARM.com 6810291SAndreas.Sandberg@ARM.com 6910291SAndreas.Sandberg@ARM.com#if M5_COMP_HAS_OVERRIDE_CONTROL 7010291SAndreas.Sandberg@ARM.com# define M5_ATTR_FINAL final 7110291SAndreas.Sandberg@ARM.com# define M5_ATTR_OVERRIDE override 7210291SAndreas.Sandberg@ARM.com#else 7310291SAndreas.Sandberg@ARM.com# define M5_ATTR_FINAL 7410291SAndreas.Sandberg@ARM.com# define M5_ATTR_OVERRIDE 7510291SAndreas.Sandberg@ARM.com#endif 7610291SAndreas.Sandberg@ARM.com 7710291SAndreas.Sandberg@ARM.com#if defined(__GNUC__) // clang or gcc 7810291SAndreas.Sandberg@ARM.com# define M5_ATTR_NORETURN __attribute__((noreturn)) 7910291SAndreas.Sandberg@ARM.com# define M5_DUMMY_RETURN 8010291SAndreas.Sandberg@ARM.com# define M5_VAR_USED __attribute__((unused)) 8110291SAndreas.Sandberg@ARM.com# define M5_ATTR_PACKED __attribute__ ((__packed__)) 8210291SAndreas.Sandberg@ARM.com# define M5_NO_INLINE __attribute__ ((__noinline__)) 8310291SAndreas.Sandberg@ARM.com#endif 8410104Smitch.hayenga@arm.com 8510104Smitch.hayenga@arm.com#if defined(__clang__) 8610291SAndreas.Sandberg@ARM.com# define M5_CLASS_VAR_USED M5_VAR_USED 8710104Smitch.hayenga@arm.com#else 8810291SAndreas.Sandberg@ARM.com# define M5_CLASS_VAR_USED 893938Ssaidi@eecs.umich.edu#endif 903938Ssaidi@eecs.umich.edu 913938Ssaidi@eecs.umich.edu#endif // __BASE_COMPILER_HH__ 92