1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
|
// Copyright 2017 Google LLC
//
// 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 CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_
#define CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_
////////////////////////////////////////////////////////////////////////////////
// Architectures
////////////////////////////////////////////////////////////////////////////////
#if defined(__pnacl__) || defined(__CLR_VER)
#define CPU_FEATURES_ARCH_VM
#endif
#if (defined(_M_IX86) || defined(__i386__)) && !defined(CPU_FEATURES_ARCH_VM)
#define CPU_FEATURES_ARCH_X86_32
#endif
#if (defined(_M_X64) || defined(__x86_64__)) && !defined(CPU_FEATURES_ARCH_VM)
#define CPU_FEATURES_ARCH_X86_64
#endif
#if defined(CPU_FEATURES_ARCH_X86_32) || defined(CPU_FEATURES_ARCH_X86_64)
#define CPU_FEATURES_ARCH_X86
#endif
#if (defined(__arm__) || defined(_M_ARM))
#define CPU_FEATURES_ARCH_ARM
#endif
#if (defined(__aarch64__) || defined(_M_ARM64))
#define CPU_FEATURES_ARCH_AARCH64
#endif
#if (defined(CPU_FEATURES_ARCH_AARCH64) || defined(CPU_FEATURES_ARCH_ARM))
#define CPU_FEATURES_ARCH_ANY_ARM
#endif
#if defined(__mips64)
#define CPU_FEATURES_ARCH_MIPS64
#endif
#if defined(__mips__) && !defined(__mips64) // mips64 also declares __mips__
#define CPU_FEATURES_ARCH_MIPS32
#endif
#if defined(CPU_FEATURES_ARCH_MIPS32) || defined(CPU_FEATURES_ARCH_MIPS64)
#define CPU_FEATURES_ARCH_MIPS
#endif
#if defined(__powerpc__)
#define CPU_FEATURES_ARCH_PPC
#endif
#if defined(__s390x__)
#define CPU_FEATURES_ARCH_S390X
#endif
#if defined(__riscv)
#define CPU_FEATURES_ARCH_RISCV
#endif
#if defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 32
#define CPU_FEATURES_ARCH_RISCV32
#endif
#if defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 64
#define CPU_FEATURES_ARCH_RISCV64
#endif
#if defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 128
#define CPU_FEATURES_ARCH_RISCV128
#endif
#if defined(__loongarch64)
#define CPU_FEATURES_ARCH_LOONGARCH
#endif
////////////////////////////////////////////////////////////////////////////////
// Os
////////////////////////////////////////////////////////////////////////////////
#if (defined(__freebsd__) || defined(__FreeBSD__))
#define CPU_FEATURES_OS_FREEBSD
#endif
#if defined(__ANDROID__)
#define CPU_FEATURES_OS_ANDROID
#endif
#if defined(__linux__) && !defined(CPU_FEATURES_OS_FREEBSD) && \
!defined(CPU_FEATURES_OS_ANDROID)
#define CPU_FEATURES_OS_LINUX
#endif
#if (defined(_WIN64) || defined(_WIN32))
#define CPU_FEATURES_OS_WINDOWS
#endif
#if (defined(__apple__) || defined(__APPLE__) || defined(__MACH__))
// From https://stackoverflow.com/a/49560690
#include "TargetConditionals.h"
#if defined(TARGET_OS_OSX)
#define CPU_FEATURES_OS_MACOS
#endif
#if defined(TARGET_OS_IPHONE)
// This is set for any non-Mac Apple products (IOS, TV, WATCH)
#define CPU_FEATURES_OS_IPHONE
#endif
#endif
////////////////////////////////////////////////////////////////////////////////
// Compilers
////////////////////////////////////////////////////////////////////////////////
#if defined(__clang__)
#define CPU_FEATURES_COMPILER_CLANG
#endif
#if defined(__GNUC__) && !defined(__clang__)
#define CPU_FEATURES_COMPILER_GCC
#endif
#if defined(_MSC_VER)
#define CPU_FEATURES_COMPILER_MSC
#endif
////////////////////////////////////////////////////////////////////////////////
// Cpp
////////////////////////////////////////////////////////////////////////////////
#if defined(__cplusplus)
#define CPU_FEATURES_START_CPP_NAMESPACE \
namespace cpu_features { \
extern "C" {
#define CPU_FEATURES_END_CPP_NAMESPACE \
} \
}
#else
#define CPU_FEATURES_START_CPP_NAMESPACE
#define CPU_FEATURES_END_CPP_NAMESPACE
#endif
////////////////////////////////////////////////////////////////////////////////
// Compiler flags
////////////////////////////////////////////////////////////////////////////////
// Use the following to check if a feature is known to be available at
// compile time. See README.md for an example.
#if defined(CPU_FEATURES_ARCH_X86)
#if defined(__AES__)
#define CPU_FEATURES_COMPILED_X86_AES 1
#else
#define CPU_FEATURES_COMPILED_X86_AES 0
#endif // defined(__AES__)
#if defined(__F16C__)
#define CPU_FEATURES_COMPILED_X86_F16C 1
#else
#define CPU_FEATURES_COMPILED_X86_F16C 0
#endif // defined(__F16C__)
#if defined(__BMI__)
#define CPU_FEATURES_COMPILED_X86_BMI 1
#else
#define CPU_FEATURES_COMPILED_X86_BMI 0
#endif // defined(__BMI__)
#if defined(__BMI2__)
#define CPU_FEATURES_COMPILED_X86_BMI2 1
#else
#define CPU_FEATURES_COMPILED_X86_BMI2 0
#endif // defined(__BMI2__)
#if (defined(__SSE__) || (_M_IX86_FP >= 1))
#define CPU_FEATURES_COMPILED_X86_SSE 1
#else
#define CPU_FEATURES_COMPILED_X86_SSE 0
#endif
#if (defined(__SSE2__) || (_M_IX86_FP >= 2))
#define CPU_FEATURES_COMPILED_X86_SSE2 1
#else
#define CPU_FEATURES_COMPILED_X86_SSE2 0
#endif
#if defined(__SSE3__)
#define CPU_FEATURES_COMPILED_X86_SSE3 1
#else
#define CPU_FEATURES_COMPILED_X86_SSE3 0
#endif // defined(__SSE3__)
#if defined(__SSSE3__)
#define CPU_FEATURES_COMPILED_X86_SSSE3 1
#else
#define CPU_FEATURES_COMPILED_X86_SSSE3 0
#endif // defined(__SSSE3__)
#if defined(__SSE4_1__)
#define CPU_FEATURES_COMPILED_X86_SSE4_1 1
#else
#define CPU_FEATURES_COMPILED_X86_SSE4_1 0
#endif // defined(__SSE4_1__)
#if defined(__SSE4_2__)
#define CPU_FEATURES_COMPILED_X86_SSE4_2 1
#else
#define CPU_FEATURES_COMPILED_X86_SSE4_2 0
#endif // defined(__SSE4_2__)
#if defined(__AVX__)
#define CPU_FEATURES_COMPILED_X86_AVX 1
#else
#define CPU_FEATURES_COMPILED_X86_AVX 0
#endif // defined(__AVX__)
#if defined(__AVX2__)
#define CPU_FEATURES_COMPILED_X86_AVX2 1
#else
#define CPU_FEATURES_COMPILED_X86_AVX2 0
#endif // defined(__AVX2__)
#endif // defined(CPU_FEATURES_ARCH_X86)
#if defined(CPU_FEATURES_ARCH_ANY_ARM)
#if defined(__ARM_NEON__)
#define CPU_FEATURES_COMPILED_ANY_ARM_NEON 1
#else
#define CPU_FEATURES_COMPILED_ANY_ARM_NEON 0
#endif // defined(__ARM_NEON__)
#endif // defined(CPU_FEATURES_ARCH_ANY_ARM)
#if defined(CPU_FEATURES_ARCH_MIPS)
#if defined(__mips_msa)
#define CPU_FEATURES_COMPILED_MIPS_MSA 1
#else
#define CPU_FEATURES_COMPILED_MIPS_MSA 0
#endif // defined(__mips_msa)
#if defined(__mips3d)
#define CPU_FEATURES_COMPILED_MIPS_MIPS3D 1
#else
#define CPU_FEATURES_COMPILED_MIPS_MIPS3D 0
#endif
#endif // defined(CPU_FEATURES_ARCH_MIPS)
#if defined(CPU_FEATURES_ARCH_RISCV)
#if defined(__riscv_e)
#define CPU_FEATURES_COMPILED_RISCV_E 1
#else
#define CPU_FEATURES_COMPILED_RISCV_E 0
#endif
#if defined(__riscv_i)
#define CPU_FEATURES_COMPILED_RISCV_I 1
#else
#define CPU_FEATURES_COMPILED_RISCV_I 0
#endif
#if defined(__riscv_m)
#define CPU_FEATURES_COMPILED_RISCV_M 1
#else
#define CPU_FEATURES_COMPILED_RISCV_M 0
#endif
#if defined(__riscv_a)
#define CPU_FEATURES_COMPILED_RISCV_A 1
#else
#define CPU_FEATURES_COMPILED_RISCV_A 0
#endif
#if defined(__riscv_f)
#define CPU_FEATURES_COMPILED_RISCV_F 1
#else
#define CPU_FEATURES_COMPILED_RISCV_F 0
#endif
#if defined(__riscv_d)
#define CPU_FEATURES_COMPILED_RISCV_D 1
#else
#define CPU_FEATURES_COMPILED_RISCV_D 0
#endif
#if defined(__riscv_q)
#define CPU_FEATURES_COMPILED_RISCV_Q 1
#else
#define CPU_FEATURES_COMPILED_RISCV_Q 0
#endif
#if defined(__riscv_c)
#define CPU_FEATURES_COMPILED_RISCV_C 1
#else
#define CPU_FEATURES_COMPILED_RISCV_C 0
#endif
#if defined(__riscv_v)
#define CPU_FEATURES_COMPILED_RISCV_V 1
#else
#define CPU_FEATURES_COMPILED_RISCV_V 0
#endif
#if defined(__riscv_zba)
#define CPU_FEATURES_COMPILED_RISCV_ZBA 1
#else
#define CPU_FEATURES_COMPILED_RISCV_ZBA 0
#endif
#if defined(__riscv_zbb)
#define CPU_FEATURES_COMPILED_RISCV_ZBB 1
#else
#define CPU_FEATURES_COMPILED_RISCV_ZBB 0
#endif
#if defined(__riscv_zbc)
#define CPU_FEATURES_COMPILED_RISCV_ZBC 1
#else
#define CPU_FEATURES_COMPILED_RISCV_ZBC 0
#endif
#if defined(__riscv_zbs)
#define CPU_FEATURES_COMPILED_RISCV_ZBS 1
#else
#define CPU_FEATURES_COMPILED_RISCV_ZBS 0
#endif
#if defined(__riscv_zfh)
#define CPU_FEATURES_COMPILED_RISCV_ZFH 1
#else
#define CPU_FEATURES_COMPILED_RISCV_ZFH 0
#endif
#if defined(__riscv_zfhmin)
#define CPU_FEATURES_COMPILED_RISCV_ZFHMIN 1
#else
#define CPU_FEATURES_COMPILED_RISCV_ZFHMIN 0
#endif
#if defined(__riscv_zknd)
#define CPU_FEATURES_COMPILED_RISCV_ZKND 1
#else
#define CPU_FEATURES_COMPILED_RISCV_ZKND 0
#endif
#if defined(__riscv_zkne)
#define CPU_FEATURES_COMPILED_RISCV_ZKNE 1
#else
#define CPU_FEATURES_COMPILED_RISCV_ZKNE 0
#endif
#if defined(__riscv_zknh)
#define CPU_FEATURES_COMPILED_RISCV_ZKNH 1
#else
#define CPU_FEATURES_COMPILED_RISCV_ZKNH 0
#endif
#if defined(__riscv_zksed)
#define CPU_FEATURES_COMPILED_RISCV_ZKSED 1
#else
#define CPU_FEATURES_COMPILED_RISCV_ZKSED 0
#endif
#if defined(__riscv_zksh)
#define CPU_FEATURES_COMPILED_RISCV_ZKSH 1
#else
#define CPU_FEATURES_COMPILED_RISCV_ZKSH 0
#endif
#if defined(__riscv_zkr)
#define CPU_FEATURES_COMPILED_RISCV_ZKR 1
#else
#define CPU_FEATURES_COMPILED_RISCV_ZKR 0
#endif
#endif // defined(CPU_FEATURES_ARCH_RISCV)
////////////////////////////////////////////////////////////////////////////////
// Utils
////////////////////////////////////////////////////////////////////////////////
// Communicates to the compiler that the block is unreachable
#if defined(CPU_FEATURES_COMPILER_CLANG) || defined(CPU_FEATURES_COMPILER_GCC)
#define CPU_FEATURES_UNREACHABLE() __builtin_unreachable()
#elif defined(CPU_FEATURES_COMPILER_MSC)
#define CPU_FEATURES_UNREACHABLE() __assume(0)
#else
#define CPU_FEATURES_UNREACHABLE()
#endif
// Communicates to the compiler that the function is now deprecated
#if defined(CPU_FEATURES_COMPILER_CLANG) || defined(CPU_FEATURES_COMPILER_GCC)
#define CPU_FEATURES_DEPRECATED(message) __attribute__((deprecated(message)))
#elif defined(CPU_FEATURES_COMPILER_MSC)
#define CPU_FEATURES_DEPRECATED(message) __declspec(deprecated(message))
#else
#define CPU_FEATURES_DEPRECATED(message)
#endif
#endif // CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_
|
