1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef SRC_TRACE_BASE_OPTIMIZE_H 17 #define SRC_TRACE_BASE_OPTIMIZE_H 18 19 #if defined(__GNUC__) || defined(__clang__) 20 #define TS_LIKELY(_x) __builtin_expect(!!(_x), 1) 21 #define TS_UNLIKELY(_x) __builtin_expect(!!(_x), 0) 22 #else 23 #define TS_LIKELY(_x) (_x) 24 #define TS_UNLIKELY(_x) (_x) 25 #endif 26 #if defined(__clang__) 27 #define TS_INLINE __attribute__((__always_inline__)) 28 #define TS_NO_INLINE __attribute__((__noinline__)) 29 #else 30 #define TS_INLINE 31 #define TS_NO_INLINE 32 #endif 33 #endif 34