Guillaume Chatelet | 3cc8f31 | 2020-10-12 08:55:20 +0000 | [diff] [blame] | 1 | // Copyright 2017 Google LLC |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 2 | // |
| 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 | |
Guillaume Chatelet | 8e58ef0 | 2018-02-01 10:38:48 +0100 | [diff] [blame] | 15 | #ifndef CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_ |
| 16 | #define CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_ |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 17 | |
| 18 | //////////////////////////////////////////////////////////////////////////////// |
| 19 | // Architectures |
| 20 | //////////////////////////////////////////////////////////////////////////////// |
| 21 | |
Guillaume Chatelet | d864585 | 2019-01-16 14:02:24 +0100 | [diff] [blame] | 22 | #if defined(__pnacl__) || defined(__CLR_VER) |
| 23 | #define CPU_FEATURES_ARCH_VM |
| 24 | #endif |
| 25 | |
| 26 | #if (defined(_M_IX86) || defined(__i386__)) && !defined(CPU_FEATURES_ARCH_VM) |
| 27 | #define CPU_FEATURES_ARCH_X86_32 |
| 28 | #endif |
| 29 | |
| 30 | #if (defined(_M_X64) || defined(__x86_64__)) && !defined(CPU_FEATURES_ARCH_VM) |
| 31 | #define CPU_FEATURES_ARCH_X86_64 |
| 32 | #endif |
| 33 | |
| 34 | #if defined(CPU_FEATURES_ARCH_X86_32) || defined(CPU_FEATURES_ARCH_X86_64) |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 35 | #define CPU_FEATURES_ARCH_X86 |
| 36 | #endif |
| 37 | |
| 38 | #if (defined(__arm__) || defined(_M_ARM)) |
| 39 | #define CPU_FEATURES_ARCH_ARM |
| 40 | #endif |
| 41 | |
| 42 | #if defined(__aarch64__) |
| 43 | #define CPU_FEATURES_ARCH_AARCH64 |
| 44 | #endif |
| 45 | |
| 46 | #if (defined(CPU_FEATURES_ARCH_AARCH64) || defined(CPU_FEATURES_ARCH_ARM)) |
| 47 | #define CPU_FEATURES_ARCH_ANY_ARM |
| 48 | #endif |
| 49 | |
Guillaume Chatelet | d864585 | 2019-01-16 14:02:24 +0100 | [diff] [blame] | 50 | #if defined(__mips64) |
| 51 | #define CPU_FEATURES_ARCH_MIPS64 |
| 52 | #endif |
| 53 | |
| 54 | #if defined(__mips__) && !defined(__mips64) // mips64 also declares __mips__ |
Guillaume Chatelet | fc7efb4 | 2019-01-16 14:26:18 +0100 | [diff] [blame] | 55 | #define CPU_FEATURES_ARCH_MIPS32 |
| 56 | #endif |
| 57 | |
| 58 | #if defined(CPU_FEATURES_ARCH_MIPS32) || defined(CPU_FEATURES_ARCH_MIPS64) |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 59 | #define CPU_FEATURES_ARCH_MIPS |
| 60 | #endif |
| 61 | |
Rashmica Gupta | 3adafbf | 2018-04-23 10:46:47 +1000 | [diff] [blame] | 62 | #if defined(__powerpc__) |
| 63 | #define CPU_FEATURES_ARCH_PPC |
| 64 | #endif |
| 65 | |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 66 | //////////////////////////////////////////////////////////////////////////////// |
| 67 | // Os |
| 68 | //////////////////////////////////////////////////////////////////////////////// |
| 69 | |
| 70 | #if defined(__linux__) |
| 71 | #define CPU_FEATURES_OS_LINUX_OR_ANDROID |
| 72 | #endif |
| 73 | |
| 74 | #if defined(__ANDROID__) |
| 75 | #define CPU_FEATURES_OS_ANDROID |
| 76 | #endif |
| 77 | |
| 78 | #if (defined(_WIN64) || defined(_WIN32)) |
| 79 | #define CPU_FEATURES_OS_WINDOWS |
| 80 | #endif |
| 81 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 82 | #if (defined(__apple__) || defined(__APPLE__) || defined(__MACH__)) |
| 83 | #define CPU_FEATURES_OS_DARWIN |
| 84 | #endif |
| 85 | |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 86 | //////////////////////////////////////////////////////////////////////////////// |
| 87 | // Compilers |
| 88 | //////////////////////////////////////////////////////////////////////////////// |
| 89 | |
| 90 | #if defined(__clang__) |
| 91 | #define CPU_FEATURES_COMPILER_CLANG |
| 92 | #endif |
| 93 | |
| 94 | #if defined(__GNUC__) && !defined(__clang__) |
| 95 | #define CPU_FEATURES_COMPILER_GCC |
| 96 | #endif |
| 97 | |
| 98 | #if defined(_MSC_VER) |
| 99 | #define CPU_FEATURES_COMPILER_MSC |
| 100 | #endif |
| 101 | |
| 102 | //////////////////////////////////////////////////////////////////////////////// |
| 103 | // Cpp |
| 104 | //////////////////////////////////////////////////////////////////////////////// |
| 105 | |
| 106 | #if defined(__cplusplus) |
Guillaume Chatelet | e419573 | 2018-02-12 16:15:15 +0100 | [diff] [blame] | 107 | #define CPU_FEATURES_START_CPP_NAMESPACE \ |
Guillaume Chatelet | d864585 | 2019-01-16 14:02:24 +0100 | [diff] [blame] | 108 | namespace cpu_features { \ |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 109 | extern "C" { |
Guillaume Chatelet | e419573 | 2018-02-12 16:15:15 +0100 | [diff] [blame] | 110 | #define CPU_FEATURES_END_CPP_NAMESPACE \ |
Guillaume Chatelet | d864585 | 2019-01-16 14:02:24 +0100 | [diff] [blame] | 111 | } \ |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 112 | } |
| 113 | #else |
Guillaume Chatelet | e419573 | 2018-02-12 16:15:15 +0100 | [diff] [blame] | 114 | #define CPU_FEATURES_START_CPP_NAMESPACE |
| 115 | #define CPU_FEATURES_END_CPP_NAMESPACE |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 116 | #endif |
| 117 | |
| 118 | //////////////////////////////////////////////////////////////////////////////// |
| 119 | // Compiler flags |
| 120 | //////////////////////////////////////////////////////////////////////////////// |
| 121 | |
Guillaume Chatelet | d864585 | 2019-01-16 14:02:24 +0100 | [diff] [blame] | 122 | // Use the following to check if a feature is known to be available at |
| 123 | // compile time. See README.md for an example. |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 124 | #if defined(CPU_FEATURES_ARCH_X86) |
Guillaume Chatelet | a6d219b | 2020-01-28 20:36:57 +0100 | [diff] [blame] | 125 | |
| 126 | #if defined(__AES__) |
| 127 | #define CPU_FEATURES_COMPILED_X86_AES 1 |
| 128 | #else |
| 129 | #define CPU_FEATURES_COMPILED_X86_AES 0 |
| 130 | #endif // defined(__AES__) |
| 131 | |
| 132 | #if defined(__F16C__) |
| 133 | #define CPU_FEATURES_COMPILED_X86_F16C 1 |
| 134 | #else |
| 135 | #define CPU_FEATURES_COMPILED_X86_F16C 0 |
| 136 | #endif // defined(__F16C__) |
| 137 | |
| 138 | #if defined(__BMI__) |
| 139 | #define CPU_FEATURES_COMPILED_X86_BMI 1 |
| 140 | #else |
| 141 | #define CPU_FEATURES_COMPILED_X86_BMI 0 |
| 142 | #endif // defined(__BMI__) |
| 143 | |
| 144 | #if defined(__BMI2__) |
| 145 | #define CPU_FEATURES_COMPILED_X86_BMI2 1 |
| 146 | #else |
| 147 | #define CPU_FEATURES_COMPILED_X86_BMI2 0 |
| 148 | #endif // defined(__BMI2__) |
| 149 | |
| 150 | #if (defined(__SSE__) || (_M_IX86_FP >= 1)) |
| 151 | #define CPU_FEATURES_COMPILED_X86_SSE 1 |
| 152 | #else |
| 153 | #define CPU_FEATURES_COMPILED_X86_SSE 0 |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 154 | #endif |
| 155 | |
Guillaume Chatelet | a6d219b | 2020-01-28 20:36:57 +0100 | [diff] [blame] | 156 | #if (defined(__SSE2__) || (_M_IX86_FP >= 2)) |
| 157 | #define CPU_FEATURES_COMPILED_X86_SSE2 1 |
| 158 | #else |
| 159 | #define CPU_FEATURES_COMPILED_X86_SSE2 0 |
| 160 | #endif |
| 161 | |
| 162 | #if defined(__SSE3__) |
| 163 | #define CPU_FEATURES_COMPILED_X86_SSE3 1 |
| 164 | #else |
| 165 | #define CPU_FEATURES_COMPILED_X86_SSE3 0 |
| 166 | #endif // defined(__SSE3__) |
| 167 | |
| 168 | #if defined(__SSSE3__) |
| 169 | #define CPU_FEATURES_COMPILED_X86_SSSE3 1 |
| 170 | #else |
| 171 | #define CPU_FEATURES_COMPILED_X86_SSSE3 0 |
| 172 | #endif // defined(__SSSE3__) |
| 173 | |
| 174 | #if defined(__SSE4_1__) |
| 175 | #define CPU_FEATURES_COMPILED_X86_SSE4_1 1 |
| 176 | #else |
| 177 | #define CPU_FEATURES_COMPILED_X86_SSE4_1 0 |
| 178 | #endif // defined(__SSE4_1__) |
| 179 | |
| 180 | #if defined(__SSE4_2__) |
| 181 | #define CPU_FEATURES_COMPILED_X86_SSE4_2 1 |
| 182 | #else |
| 183 | #define CPU_FEATURES_COMPILED_X86_SSE4_2 0 |
| 184 | #endif // defined(__SSE4_2__) |
| 185 | |
| 186 | #if defined(__AVX__) |
| 187 | #define CPU_FEATURES_COMPILED_X86_AVX 1 |
| 188 | #else |
| 189 | #define CPU_FEATURES_COMPILED_X86_AVX 0 |
| 190 | #endif // defined(__AVX__) |
| 191 | |
| 192 | #if defined(__AVX2__) |
Corentin Le Molgat | ec6354f | 2020-01-29 08:11:59 +0100 | [diff] [blame] | 193 | #define CPU_FEATURES_COMPILED_X86_AVX2 1 |
Guillaume Chatelet | a6d219b | 2020-01-28 20:36:57 +0100 | [diff] [blame] | 194 | #else |
Corentin Le Molgat | ec6354f | 2020-01-29 08:11:59 +0100 | [diff] [blame] | 195 | #define CPU_FEATURES_COMPILED_X86_AVX2 0 |
Guillaume Chatelet | a6d219b | 2020-01-28 20:36:57 +0100 | [diff] [blame] | 196 | #endif // defined(__AVX2__) |
| 197 | |
| 198 | #endif // defined(CPU_FEATURES_ARCH_X86) |
| 199 | |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 200 | #if defined(CPU_FEATURES_ARCH_ANY_ARM) |
Guillaume Chatelet | a6d219b | 2020-01-28 20:36:57 +0100 | [diff] [blame] | 201 | #if defined(__ARM_NEON__) |
| 202 | #define CPU_FEATURES_COMPILED_ANY_ARM_NEON 1 |
| 203 | #else |
| 204 | #define CPU_FEATURES_COMPILED_ANY_ARM_NEON 0 |
| 205 | #endif // defined(__ARM_NEON__) |
| 206 | #endif // defined(CPU_FEATURES_ARCH_ANY_ARM) |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 207 | |
| 208 | #if defined(CPU_FEATURES_ARCH_MIPS) |
Guillaume Chatelet | a6d219b | 2020-01-28 20:36:57 +0100 | [diff] [blame] | 209 | #if defined(__mips_msa) |
| 210 | #define CPU_FEATURES_COMPILED_MIPS_MSA 1 |
| 211 | #else |
| 212 | #define CPU_FEATURES_COMPILED_MIPS_MSA 0 |
| 213 | #endif // defined(__mips_msa) |
| 214 | #endif // defined(CPU_FEATURES_ARCH_MIPS) |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 215 | |
Guillaume Chatelet | 8e58ef0 | 2018-02-01 10:38:48 +0100 | [diff] [blame] | 216 | #endif // CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_ |