compiler.hh revision 12392
13938Ssaidi@eecs.umich.edu/* 212225Sgiacomo.travaglini@arm.com * Copyright (c) 2012,2017 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 4612225Sgiacomo.travaglini@arm.com#include <memory> 4712225Sgiacomo.travaglini@arm.com 489419Sandreas.hansson@arm.com// http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html 493938Ssaidi@eecs.umich.edu 5010291SAndreas.Sandberg@ARM.com#if defined(__GNUC__) // clang or gcc 5110291SAndreas.Sandberg@ARM.com# define M5_ATTR_NORETURN __attribute__((noreturn)) 5210291SAndreas.Sandberg@ARM.com# define M5_DUMMY_RETURN 5310291SAndreas.Sandberg@ARM.com# define M5_VAR_USED __attribute__((unused)) 5410291SAndreas.Sandberg@ARM.com# define M5_ATTR_PACKED __attribute__ ((__packed__)) 5510291SAndreas.Sandberg@ARM.com# define M5_NO_INLINE __attribute__ ((__noinline__)) 5610686SAndreas.Sandberg@ARM.com# define M5_DEPRECATED __attribute__((deprecated)) 5710686SAndreas.Sandberg@ARM.com# define M5_DEPRECATED_MSG(MSG) __attribute__((deprecated(MSG))) 5810291SAndreas.Sandberg@ARM.com#endif 5910104Smitch.hayenga@arm.com 6010104Smitch.hayenga@arm.com#if defined(__clang__) 6110291SAndreas.Sandberg@ARM.com# define M5_CLASS_VAR_USED M5_VAR_USED 6210104Smitch.hayenga@arm.com#else 6310291SAndreas.Sandberg@ARM.com# define M5_CLASS_VAR_USED 643938Ssaidi@eecs.umich.edu#endif 653938Ssaidi@eecs.umich.edu 6612392Sjason@lowepower.com// This can be removed once all compilers support C++17 6712392Sjason@lowepower.com#if defined __has_cpp_attribute 6812392Sjason@lowepower.com // Note: We must separate this if statement because GCC < 5.0 doesn't 6912392Sjason@lowepower.com // support the function-like syntax in #if statements. 7012392Sjason@lowepower.com #if __has_cpp_attribute(fallthrough) 7112392Sjason@lowepower.com #define M5_FALLTHROUGH [[fallthrough]] 7212392Sjason@lowepower.com #else 7312392Sjason@lowepower.com #define M5_FALLTHROUGH 7412392Sjason@lowepower.com #endif 7512392Sjason@lowepower.com#else 7612392Sjason@lowepower.com // Unsupported (and no warning) on GCC < 7. 7712392Sjason@lowepower.com #define M5_FALLTHROUGH 7812392Sjason@lowepower.com#endif 7912392Sjason@lowepower.com 8012225Sgiacomo.travaglini@arm.com// std::make_unique redefined for C++11 compilers 8112225Sgiacomo.travaglini@arm.comnamespace m5 8212225Sgiacomo.travaglini@arm.com{ 8312225Sgiacomo.travaglini@arm.com 8412225Sgiacomo.travaglini@arm.com#if __cplusplus == 201402L // C++14 8512225Sgiacomo.travaglini@arm.com 8612225Sgiacomo.travaglini@arm.comusing std::make_unique; 8712225Sgiacomo.travaglini@arm.com 8812225Sgiacomo.travaglini@arm.com#else // C++11 8912225Sgiacomo.travaglini@arm.com 9012225Sgiacomo.travaglini@arm.com/** Defining custom version of make_unique: m5::make_unique<>() */ 9112225Sgiacomo.travaglini@arm.comtemplate<typename T, typename... Args> 9212225Sgiacomo.travaglini@arm.comstd::unique_ptr<T> 9312225Sgiacomo.travaglini@arm.commake_unique( Args&&... constructor_args ) 9412225Sgiacomo.travaglini@arm.com{ 9512225Sgiacomo.travaglini@arm.com return std::unique_ptr<T>( 9612225Sgiacomo.travaglini@arm.com new T( std::forward<Args>(constructor_args)... ) 9712225Sgiacomo.travaglini@arm.com ); 9812225Sgiacomo.travaglini@arm.com} 9912225Sgiacomo.travaglini@arm.com 10012225Sgiacomo.travaglini@arm.com#endif // __cplusplus == 201402L 10112225Sgiacomo.travaglini@arm.com 10212225Sgiacomo.travaglini@arm.com} //namespace m5 10312225Sgiacomo.travaglini@arm.com 1043938Ssaidi@eecs.umich.edu#endif // __BASE_COMPILER_HH__ 105