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) && 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 #else 37 #define NEVER_INLINE 38 #endif 39 #endif 40 41 #ifndef UNLIKELY 42 #if COMPILER(GCC) 43 #define UNLIKELY(x) __builtin_expect((x), 0) 44 #else 45 #define UNLIKELY(x) (x) 46 #endif 47 #endif 48 49 #ifndef LIKELY 50 #if COMPILER(GCC) 51 #define LIKELY(x) __builtin_expect((x), 1) 52 #else 53 #define LIKELY(x) (x) 54 #endif 55 #endif 56 57 #ifndef NO_RETURN 58 #if COMPILER(GCC) 59 #define NO_RETURN __attribute((__noreturn__)) 60 #else 61 #define NO_RETURN 62 #endif 63 #endif 64