/*
 * Compiler specific macros.
 *
 * Copyright (C) 2013  Simon Ruderich
 *
 * This program 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 of the License, or
 * (at your option) any later version.
 *
 * This program 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef COMPILER_H
#define COMPILER_H 1

/* Prevent/force inlining. Used to improve performance. */
#undef __noinline
#undef __always_inline
#ifdef HAVE___ATTRIBUTE__
# define __noinline      __attribute__((noinline))
# define __always_inline __attribute__((always_inline))
#else
# define __noinline
# define __always_inline
#endif

/* Branch prediction information for the compiler. */
#ifdef HAVE___BUILTIN_EXPECT
# define likely(x)   __builtin_expect(!!(x), 1)
# define unlikely(x) __builtin_expect(!!(x), 0)
#else
# define likely(x)   x
# define unlikely(x) x
#endif

#endif