FEMU  原版 master 7e238cc
FEMU: Accurate, Scalable and Extensible NVMe SSD Emulator (FAST'18)
rte_branch_prediction.h
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1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2014 Intel Corporation
3  */
4 
10 #ifndef _RTE_BRANCH_PREDICTION_H_
11 #define _RTE_BRANCH_PREDICTION_H_
12 
23 #ifndef likely
24 #define likely(x) __builtin_expect(!!(x), 1)
25 #endif /* likely */
26 
37 #ifndef unlikely
38 #define unlikely(x) __builtin_expect(!!(x), 0)
39 #endif /* unlikely */
40 
41 #endif /* _RTE_BRANCH_PREDICTION_H_ */