[pcsx_rearmed.git] / deps / libchdr / deps / zstd-1.5.5 / contrib / pzstd / utils / Likely.h

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 * All rights reserved.
 *
 * This source code is licensed under both the BSD-style license (found in the
 * LICENSE file in the root directory of this source tree) and the GPLv2 (found
 * in the COPYING file in the root directory of this source tree).
 */
 
/**
 * Compiler hints to indicate the fast path of an "if" branch: whether
 * the if condition is likely to be true or false.
 *
 * @author Tudor Bosman (tudorb@fb.com)
 */

#pragma once

#undef LIKELY
#undef UNLIKELY

#if defined(__GNUC__) && __GNUC__ >= 4
#define LIKELY(x) (__builtin_expect((x), 1))
#define UNLIKELY(x) (__builtin_expect((x), 0))
#else
#define LIKELY(x) (x)
#define UNLIKELY(x) (x)
#endif
Commit	Line	Data
648db22b	1	/*
	2	* Copyright (c) Meta Platforms, Inc. and affiliates.
	3	* All rights reserved.
	4	*
	5	* This source code is licensed under both the BSD-style license (found in the
	6	* LICENSE file in the root directory of this source tree) and the GPLv2 (found
	7	* in the COPYING file in the root directory of this source tree).
	8	*/
	9
	10	/**
	11	* Compiler hints to indicate the fast path of an "if" branch: whether
	12	* the if condition is likely to be true or false.
	13	*
	14	* @author Tudor Bosman (tudorb@fb.com)
	15	*/
	16
	17	#pragma once
	18
	19	#undef LIKELY
	20	#undef UNLIKELY
	21
	22	#if defined(__GNUC__) && __GNUC__ >= 4
	23	#define LIKELY(x) (__builtin_expect((x), 1))
	24	#define UNLIKELY(x) (__builtin_expect((x), 0))
	25	#else
	26	#define LIKELY(x) (x)
	27	#define UNLIKELY(x) (x)
	28	#endif