[lttv.git] / ltt / branches / poly / ltt / compiler.h

/* This file is part of the Linux Trace Toolkit trace reading library
 * Copyright (C) 2003-2004 Mathieu Desnoyers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License Version 2.1 as published by the Free Software Foundation.
 *
 * This 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 library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef COMPILER_H
#define COMPILER_H

/* Fast prediction if likely branches */
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
 
#endif //COMPILER_H
Commit	Line	Data
1d1df11d	1	/* This file is part of the Linux Trace Toolkit trace reading library
	2	* Copyright (C) 2003-2004 Mathieu Desnoyers
	3	*
	4	* This library is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU Lesser General Public
	6	* License Version 2.1 as published by the Free Software Foundation.
	7	*
	8	* This library is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	11	* Lesser General Public License for more details.
	12	*
	13	* You should have received a copy of the GNU Lesser General Public
	14	* License along with this library; if not, write to the
	15	* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	16	* Boston, MA 02111-1307, USA.
	17	*/
	18
	19	#ifndef COMPILER_H
	20	#define COMPILER_H
	21
	22	/* Fast prediction if likely branches */
	23	#define likely(x) __builtin_expect(!!(x), 1)
	24	#define unlikely(x) __builtin_expect(!!(x), 0)
	25
	26	#endif //COMPILER_H