| 1 | /* |
| 2 | * Copyright (C) 2005, 2007, 2008 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Library General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This library is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Library General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Library General Public License |
| 15 | * along with this library; see the file COPYING.LIB. If not, write to |
| 16 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 17 | * Boston, MA 02110-1301, USA. |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | #include "Platform.h" |
| 22 | |
| 23 | #ifndef ALWAYS_INLINE |
| 24 | #if COMPILER(GCC) && defined(NDEBUG) && !COMPILER(MINGW) |
| 25 | #define ALWAYS_INLINE inline __attribute__((__always_inline__)) |
| 26 | #elif (COMPILER(MSVC) || COMPILER(RVCT)) && defined(NDEBUG) |
| 27 | #define ALWAYS_INLINE __forceinline |
| 28 | #else |
| 29 | #define ALWAYS_INLINE inline |
| 30 | #endif |
| 31 | #endif |
| 32 | |
| 33 | #ifndef NEVER_INLINE |
| 34 | #if COMPILER(GCC) |
| 35 | #define NEVER_INLINE __attribute__((__noinline__)) |
| 36 | #elif COMPILER(RVCT) |
| 37 | #define NEVER_INLINE __declspec(noinline) |
| 38 | #else |
| 39 | #define NEVER_INLINE |
| 40 | #endif |
| 41 | #endif |
| 42 | |
| 43 | #ifndef UNLIKELY |
| 44 | #if COMPILER(GCC) |
| 45 | #define UNLIKELY(x) __builtin_expect((x), 0) |
| 46 | #else |
| 47 | #define UNLIKELY(x) (x) |
| 48 | #endif |
| 49 | #endif |
| 50 | |
| 51 | #ifndef LIKELY |
| 52 | #if COMPILER(GCC) |
| 53 | #define LIKELY(x) __builtin_expect((x), 1) |
| 54 | #else |
| 55 | #define LIKELY(x) (x) |
| 56 | #endif |
| 57 | #endif |
| 58 | |
| 59 | #ifndef NO_RETURN |
| 60 | #if COMPILER(GCC) |
| 61 | #define NO_RETURN __attribute((__noreturn__)) |
| 62 | #elif COMPILER(RVCT) |
| 63 | #define NO_RETURN __declspec(noreturn) |
| 64 | #else |
| 65 | #define NO_RETURN |
| 66 | #endif |
| 67 | #endif |
| 68 | |