| /* |
| * Copyright 2014 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef COBALT_BASE_COMPILER_H_ |
| #define COBALT_BASE_COMPILER_H_ |
| |
| #if defined(STARBOARD) |
| #include "starboard/configuration.h" |
| #define LIKELY SB_LIKELY |
| #define UNLIKELY SB_UNLIKELY |
| #else |
| |
| // Macro for hinting that an expression is likely to be true. |
| #if !defined(LIKELY) |
| #if defined(__GNUC__) |
| #define LIKELY(x) __builtin_expect(!!(x), 1) |
| #elif defined(_MSC_VER) |
| #define LIKELY(x) (x) |
| #else |
| #error unsupported compiler |
| #endif // defined(__GNUC__) |
| #endif // !defined(LIKELY) |
| |
| // Macro for hinting that an expression is likely to be false. |
| #if !defined(UNLIKELY) |
| #if defined(__GNUC__) |
| #define UNLIKELY(x) __builtin_expect(!!(x), 0) |
| #elif defined(_MSC_VER) |
| #define UNLIKELY(x) (x) |
| #else |
| #error unsupported compiler |
| #endif // defined(__GNUC__) |
| #endif // !defined(UNLIKELY) |
| |
| #endif // defined(STARBOARD) |
| |
| #endif // COBALT_BASE_COMPILER_H_ |