rte_branch_prediction.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2010-2014 Intel Corporation
 */

#ifndef _RTE_BRANCH_PREDICTION_H_
#define _RTE_BRANCH_PREDICTION_H_

#ifdef __cplusplus
extern "C" {
#endif

#ifndef likely
#ifdef RTE_TOOLCHAIN_MSVC
#define likely(x)   (!!(x))
#else
#define likely(x)   __builtin_expect(!!(x), 1)
#endif
#endif /* likely */

#ifndef unlikely
#ifdef RTE_TOOLCHAIN_MSVC
#define unlikely(x) (!!(x))
#else
#define unlikely(x) __builtin_expect(!!(x), 0)
#endif
#endif /* unlikely */

#ifdef __cplusplus
}
#endif

#endif /* _RTE_BRANCH_PREDICTION_H_ */