1 /* 2 * Copyright (C) 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved. 3 * Copyright (C) 2007-2009 Torch Mobile, Inc. 4 * Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved. 5 * Copyright (C) 2013 Samsung Electronics. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef WTF_CPU_h 30 #define WTF_CPU_h 31 32 #include "wtf/Compiler.h" 33 34 /* CPU() - the target CPU architecture */ 35 #define CPU(WTF_FEATURE) (defined WTF_CPU_##WTF_FEATURE && WTF_CPU_##WTF_FEATURE) 36 37 /* ==== CPU() - the target CPU architecture ==== */ 38 39 /* This defines CPU(BIG_ENDIAN) or nothing, as appropriate. */ 40 /* This defines CPU(32BIT) or CPU(64BIT), as appropriate. */ 41 42 /* CPU(X86) - i386 / x86 32-bit */ 43 #if defined(__i386__) \ 44 || defined(i386) \ 45 || defined(_M_IX86) \ 46 || defined(_X86_) \ 47 || defined(__THW_INTEL) 48 #define WTF_CPU_X86 1 49 #endif 50 51 /* CPU(X86_64) - AMD64 / Intel64 / x86_64 64-bit */ 52 #if defined(__x86_64__) \ 53 || defined(_M_X64) 54 #define WTF_CPU_X86_64 1 55 #define WTF_CPU_64BIT 1 56 #endif 57 58 /* CPU(ARM) - ARM, any version*/ 59 #define WTF_ARM_ARCH_AT_LEAST(N) (CPU(ARM) && defined(WTF_ARM_ARCH_VERSION) && WTF_ARM_ARCH_VERSION >= N) 60 61 #if defined(arm) \ 62 || defined(__arm__) \ 63 || defined(ARM) \ 64 || defined(_ARM_) 65 #define WTF_CPU_ARM 1 66 67 #if defined(__ARMEB__) 68 #define WTF_CPU_BIG_ENDIAN 1 69 70 #elif !defined(__ARM_EABI__) \ 71 && !defined(__EABI__) \ 72 && !defined(__VFP_FP__) \ 73 && !defined(_WIN32_WCE) \ 74 && !defined(ANDROID) 75 #define WTF_CPU_MIDDLE_ENDIAN 1 76 77 #endif 78 79 /* Set WTF_ARM_ARCH_VERSION */ 80 #if defined(__ARM_ARCH_4__) \ 81 || defined(__ARM_ARCH_4T__) \ 82 || defined(__MARM_ARMV4__) 83 #define WTF_ARM_ARCH_VERSION 4 84 85 #elif defined(__ARM_ARCH_5__) \ 86 || defined(__ARM_ARCH_5T__) \ 87 || defined(__MARM_ARMV5__) 88 #define WTF_ARM_ARCH_VERSION 5 89 90 #elif defined(__ARM_ARCH_5E__) \ 91 || defined(__ARM_ARCH_5TE__) \ 92 || defined(__ARM_ARCH_5TEJ__) 93 #define WTF_ARM_ARCH_VERSION 5 94 95 #elif defined(__ARM_ARCH_6__) \ 96 || defined(__ARM_ARCH_6J__) \ 97 || defined(__ARM_ARCH_6K__) \ 98 || defined(__ARM_ARCH_6Z__) \ 99 || defined(__ARM_ARCH_6ZK__) \ 100 || defined(__ARM_ARCH_6T2__) \ 101 || defined(__ARMV6__) 102 #define WTF_ARM_ARCH_VERSION 6 103 104 #elif defined(__ARM_ARCH_7A__) \ 105 || defined(__ARM_ARCH_7R__) \ 106 || defined(__ARM_ARCH_7S__) 107 #define WTF_ARM_ARCH_VERSION 7 108 109 /* MSVC sets _M_ARM */ 110 #elif defined(_M_ARM) 111 #define WTF_ARM_ARCH_VERSION _M_ARM 112 #else 113 #define WTF_ARM_ARCH_VERSION 0 114 115 #endif 116 117 /* Set WTF_THUMB_ARCH_VERSION */ 118 #if defined(__ARM_ARCH_4T__) 119 #define WTF_THUMB_ARCH_VERSION 1 120 121 #elif defined(__ARM_ARCH_5T__) \ 122 || defined(__ARM_ARCH_5TE__) \ 123 || defined(__ARM_ARCH_5TEJ__) 124 #define WTF_THUMB_ARCH_VERSION 2 125 126 #elif defined(__ARM_ARCH_6J__) \ 127 || defined(__ARM_ARCH_6K__) \ 128 || defined(__ARM_ARCH_6Z__) \ 129 || defined(__ARM_ARCH_6ZK__) \ 130 || defined(__ARM_ARCH_6M__) 131 #define WTF_THUMB_ARCH_VERSION 3 132 133 #elif defined(__ARM_ARCH_6T2__) \ 134 || defined(__ARM_ARCH_7__) \ 135 || defined(__ARM_ARCH_7A__) \ 136 || defined(__ARM_ARCH_7M__) \ 137 || defined(__ARM_ARCH_7R__) \ 138 || defined(__ARM_ARCH_7S__) 139 #define WTF_THUMB_ARCH_VERSION 4 140 141 #else 142 #define WTF_THUMB_ARCH_VERSION 0 143 #endif 144 145 146 /* CPU(ARM_THUMB2) - Thumb2 instruction set is available */ 147 #if !defined(WTF_CPU_ARM_THUMB2) 148 # if defined(thumb2) || defined(__thumb2__) \ 149 || ((defined(__thumb) || defined(__thumb__)) && WTF_THUMB_ARCH_VERSION == 4) 150 # define WTF_CPU_ARM_THUMB2 1 151 # elif WTF_ARM_ARCH_AT_LEAST(4) 152 # define WTF_CPU_ARM_THUMB2 0 153 # else 154 # error "Unsupported ARM architecture" 155 # endif 156 #endif /* !defined(WTF_CPU_ARM_THUMB2) */ 157 158 #if defined(__ARM_NEON__) && !defined(WTF_CPU_ARM_NEON) 159 #define WTF_CPU_ARM_NEON 1 160 #endif 161 162 #if CPU(ARM_NEON) && (!COMPILER(GCC) || GCC_VERSION_AT_LEAST(4, 7, 0)) 163 // All NEON intrinsics usage can be disabled by this macro. 164 #define HAVE_ARM_NEON_INTRINSICS 1 165 #endif 166 167 #if defined(__ARM_ARCH_7S__) 168 #define WTF_CPU_APPLE_ARMV7S 1 169 #endif 170 171 #if !defined(WTF_CPU_64BIT) 172 #define WTF_CPU_32BIT 1 173 #endif 174 175 #endif /* ARM */ 176 177 /* CPU(ARM64) - AArch64 64-bit */ 178 #if defined(__aarch64__) 179 #define WTF_CPU_ARM64 1 180 #define WTF_CPU_64BIT 1 181 #endif 182 183 /* This defines CPU(64BIT). */ 184 #if defined(__mips__) && (_MIPS_SIM == _ABI64) 185 #define WTF_CPU_64BIT 1 186 #endif 187 188 #endif /* WTF_CPU_h */ 189