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/* Copyright (C) 2007-2010 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* 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
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef __UTIL_OPTIMIZE_H__
#define __UTIL_OPTIMIZE_H__
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
*/
#if CPPCHECK==1
#define likely
#define unlikely
#else
#ifndef likely
#define likely(expr) __builtin_expect(!!(expr), 1)
#endif
#ifndef unlikely
#define unlikely(expr) __builtin_expect(!!(expr), 0)
#endif
#endif
/** from http://en.wikipedia.org/wiki/Memory_ordering
*
* C Compiler memory barrier
*/
#define cc_barrier() __asm__ __volatile__("": : :"memory")
/** from http://gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc/Atomic-Builtins.html
*
* Hardware memory barrier
*/
#define hw_barrier() __sync_synchronize()
#endif /* __UTIL_OPTIMIZE_H__ */
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