/************************************************************************* * Copyright (C) 2010-2011 Tavian Barnes * * * * This file is part of The Dimension Library. * * * * The Dimension Library is free software; you can redistribute it and/ * * or modify it under the terms of the GNU Lesser General Public License * * as published by the Free Software Foundation; either version 3 of the * * License, or (at your option) any later version. * * * * The Dimension 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 * * Lesser General Public License for more details. * * * * You should have received a copy of the GNU Lesser General Public * * License along with this program. If not, see * * . * *************************************************************************/ /** * @file * Internally-used compiler abstractions. */ #include #ifdef DMNSN_PROFILE #define dmnsn_likely(test) \ dmnsn_expect(!!(test), true, DMNSN_FUNC, __FILE__, __LINE__) #define dmnsn_unlikely(test) \ dmnsn_expect(!!(test), false, DMNSN_FUNC, __FILE__, __LINE__) #elif defined(__GNUC__) #define dmnsn_likely(test) __builtin_expect(!!(test), true) #define dmnsn_unlikely(test) __builtin_expect(!!(test), false) #else #define dmnsn_likely(test) (!!(test)) #define dmnsn_unlikely(test) (!!(test)) #endif #ifdef __GNUC__ #define DMNSN_HOT __attribute__((hot)) #define DMNSN_INTERNAL __attribute__((visibility("hidden"))) #define DMNSN_DESTRUCTOR __attribute__((destructor(102))) #define DMNSN_LATE_DESTRUCTOR __attribute__((destructor(101))) #else #define DMNSN_HOT #define DMNSN_INTERNAL #define DMNSN_DESTRUCTOR #define DMNSN_LATE_DESTRUCTOR #endif