Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/i386/driver-i386.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
rev | line source |
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0 | 1 /* Subroutines for the gcc driver. |
131 | 2 Copyright (C) 2006-2018 Free Software Foundation, Inc. |
0 | 3 |
4 This file is part of GCC. | |
5 | |
6 GCC is free software; you can redistribute it and/or modify | |
7 it under the terms of the GNU General Public License as published by | |
8 the Free Software Foundation; either version 3, or (at your option) | |
9 any later version. | |
10 | |
11 GCC is distributed in the hope that it will be useful, | |
12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 GNU General Public License for more details. | |
15 | |
16 You should have received a copy of the GNU General Public License | |
17 along with GCC; see the file COPYING3. If not see | |
18 <http://www.gnu.org/licenses/>. */ | |
19 | |
131 | 20 #define IN_TARGET_CODE 1 |
21 | |
0 | 22 #include "config.h" |
23 #include "system.h" | |
24 #include "coretypes.h" | |
25 #include "tm.h" | |
26 | |
27 const char *host_detect_local_cpu (int argc, const char **argv); | |
28 | |
111 | 29 #if defined(__GNUC__) && (__GNUC__ >= 5 || !defined(__PIC__)) |
0 | 30 #include "cpuid.h" |
31 | |
32 struct cache_desc | |
33 { | |
34 unsigned sizekb; | |
35 unsigned assoc; | |
36 unsigned line; | |
37 }; | |
38 | |
39 /* Returns command line parameters that describe size and | |
40 cache line size of the processor caches. */ | |
41 | |
42 static char * | |
43 describe_cache (struct cache_desc level1, struct cache_desc level2) | |
44 { | |
45 char size[100], line[100], size2[100]; | |
46 | |
47 /* At the moment, gcc does not use the information | |
48 about the associativity of the cache. */ | |
49 | |
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50 snprintf (size, sizeof (size), |
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51 "--param l1-cache-size=%u ", level1.sizekb); |
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52 snprintf (line, sizeof (line), |
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53 "--param l1-cache-line-size=%u ", level1.line); |
0 | 54 |
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55 snprintf (size2, sizeof (size2), |
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56 "--param l2-cache-size=%u ", level2.sizekb); |
0 | 57 |
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58 return concat (size, line, size2, NULL); |
0 | 59 } |
60 | |
61 /* Detect L2 cache parameters using CPUID extended function 0x80000006. */ | |
62 | |
63 static void | |
64 detect_l2_cache (struct cache_desc *level2) | |
65 { | |
66 unsigned eax, ebx, ecx, edx; | |
67 unsigned assoc; | |
68 | |
69 __cpuid (0x80000006, eax, ebx, ecx, edx); | |
70 | |
71 level2->sizekb = (ecx >> 16) & 0xffff; | |
72 level2->line = ecx & 0xff; | |
73 | |
74 assoc = (ecx >> 12) & 0xf; | |
75 if (assoc == 6) | |
76 assoc = 8; | |
77 else if (assoc == 8) | |
78 assoc = 16; | |
79 else if (assoc >= 0xa && assoc <= 0xc) | |
80 assoc = 32 + (assoc - 0xa) * 16; | |
81 else if (assoc >= 0xd && assoc <= 0xe) | |
82 assoc = 96 + (assoc - 0xd) * 32; | |
83 | |
84 level2->assoc = assoc; | |
85 } | |
86 | |
87 /* Returns the description of caches for an AMD processor. */ | |
88 | |
89 static const char * | |
90 detect_caches_amd (unsigned max_ext_level) | |
91 { | |
92 unsigned eax, ebx, ecx, edx; | |
93 | |
94 struct cache_desc level1, level2 = {0, 0, 0}; | |
95 | |
96 if (max_ext_level < 0x80000005) | |
97 return ""; | |
98 | |
99 __cpuid (0x80000005, eax, ebx, ecx, edx); | |
100 | |
101 level1.sizekb = (ecx >> 24) & 0xff; | |
102 level1.assoc = (ecx >> 16) & 0xff; | |
103 level1.line = ecx & 0xff; | |
104 | |
105 if (max_ext_level >= 0x80000006) | |
106 detect_l2_cache (&level2); | |
107 | |
108 return describe_cache (level1, level2); | |
109 } | |
110 | |
111 /* Decodes the size, the associativity and the cache line size of | |
112 L1/L2 caches of an Intel processor. Values are based on | |
113 "Intel Processor Identification and the CPUID Instruction" | |
114 [Application Note 485], revision -032, December 2007. */ | |
115 | |
116 static void | |
117 decode_caches_intel (unsigned reg, bool xeon_mp, | |
118 struct cache_desc *level1, struct cache_desc *level2) | |
119 { | |
120 int i; | |
121 | |
122 for (i = 24; i >= 0; i -= 8) | |
123 switch ((reg >> i) & 0xff) | |
124 { | |
125 case 0x0a: | |
126 level1->sizekb = 8; level1->assoc = 2; level1->line = 32; | |
127 break; | |
128 case 0x0c: | |
129 level1->sizekb = 16; level1->assoc = 4; level1->line = 32; | |
130 break; | |
111 | 131 case 0x0d: |
132 level1->sizekb = 16; level1->assoc = 4; level1->line = 64; | |
133 break; | |
134 case 0x0e: | |
135 level1->sizekb = 24; level1->assoc = 6; level1->line = 64; | |
136 break; | |
137 case 0x21: | |
138 level2->sizekb = 256; level2->assoc = 8; level2->line = 64; | |
139 break; | |
140 case 0x24: | |
141 level2->sizekb = 1024; level2->assoc = 16; level2->line = 64; | |
142 break; | |
0 | 143 case 0x2c: |
144 level1->sizekb = 32; level1->assoc = 8; level1->line = 64; | |
145 break; | |
146 case 0x39: | |
147 level2->sizekb = 128; level2->assoc = 4; level2->line = 64; | |
148 break; | |
149 case 0x3a: | |
150 level2->sizekb = 192; level2->assoc = 6; level2->line = 64; | |
151 break; | |
152 case 0x3b: | |
153 level2->sizekb = 128; level2->assoc = 2; level2->line = 64; | |
154 break; | |
155 case 0x3c: | |
156 level2->sizekb = 256; level2->assoc = 4; level2->line = 64; | |
157 break; | |
158 case 0x3d: | |
159 level2->sizekb = 384; level2->assoc = 6; level2->line = 64; | |
160 break; | |
161 case 0x3e: | |
162 level2->sizekb = 512; level2->assoc = 4; level2->line = 64; | |
163 break; | |
164 case 0x41: | |
165 level2->sizekb = 128; level2->assoc = 4; level2->line = 32; | |
166 break; | |
167 case 0x42: | |
168 level2->sizekb = 256; level2->assoc = 4; level2->line = 32; | |
169 break; | |
170 case 0x43: | |
171 level2->sizekb = 512; level2->assoc = 4; level2->line = 32; | |
172 break; | |
173 case 0x44: | |
174 level2->sizekb = 1024; level2->assoc = 4; level2->line = 32; | |
175 break; | |
176 case 0x45: | |
177 level2->sizekb = 2048; level2->assoc = 4; level2->line = 32; | |
178 break; | |
111 | 179 case 0x48: |
180 level2->sizekb = 3072; level2->assoc = 12; level2->line = 64; | |
181 break; | |
0 | 182 case 0x49: |
183 if (xeon_mp) | |
184 break; | |
185 level2->sizekb = 4096; level2->assoc = 16; level2->line = 64; | |
186 break; | |
187 case 0x4e: | |
188 level2->sizekb = 6144; level2->assoc = 24; level2->line = 64; | |
189 break; | |
190 case 0x60: | |
191 level1->sizekb = 16; level1->assoc = 8; level1->line = 64; | |
192 break; | |
193 case 0x66: | |
194 level1->sizekb = 8; level1->assoc = 4; level1->line = 64; | |
195 break; | |
196 case 0x67: | |
197 level1->sizekb = 16; level1->assoc = 4; level1->line = 64; | |
198 break; | |
199 case 0x68: | |
200 level1->sizekb = 32; level1->assoc = 4; level1->line = 64; | |
201 break; | |
202 case 0x78: | |
203 level2->sizekb = 1024; level2->assoc = 4; level2->line = 64; | |
204 break; | |
205 case 0x79: | |
206 level2->sizekb = 128; level2->assoc = 8; level2->line = 64; | |
207 break; | |
208 case 0x7a: | |
209 level2->sizekb = 256; level2->assoc = 8; level2->line = 64; | |
210 break; | |
211 case 0x7b: | |
212 level2->sizekb = 512; level2->assoc = 8; level2->line = 64; | |
213 break; | |
214 case 0x7c: | |
215 level2->sizekb = 1024; level2->assoc = 8; level2->line = 64; | |
216 break; | |
217 case 0x7d: | |
218 level2->sizekb = 2048; level2->assoc = 8; level2->line = 64; | |
219 break; | |
220 case 0x7f: | |
221 level2->sizekb = 512; level2->assoc = 2; level2->line = 64; | |
222 break; | |
111 | 223 case 0x80: |
224 level2->sizekb = 512; level2->assoc = 8; level2->line = 64; | |
225 break; | |
0 | 226 case 0x82: |
227 level2->sizekb = 256; level2->assoc = 8; level2->line = 32; | |
228 break; | |
229 case 0x83: | |
230 level2->sizekb = 512; level2->assoc = 8; level2->line = 32; | |
231 break; | |
232 case 0x84: | |
233 level2->sizekb = 1024; level2->assoc = 8; level2->line = 32; | |
234 break; | |
235 case 0x85: | |
236 level2->sizekb = 2048; level2->assoc = 8; level2->line = 32; | |
237 break; | |
238 case 0x86: | |
239 level2->sizekb = 512; level2->assoc = 4; level2->line = 64; | |
240 break; | |
241 case 0x87: | |
242 level2->sizekb = 1024; level2->assoc = 8; level2->line = 64; | |
243 | |
244 default: | |
245 break; | |
246 } | |
247 } | |
248 | |
249 /* Detect cache parameters using CPUID function 2. */ | |
250 | |
251 static void | |
252 detect_caches_cpuid2 (bool xeon_mp, | |
253 struct cache_desc *level1, struct cache_desc *level2) | |
254 { | |
255 unsigned regs[4]; | |
256 int nreps, i; | |
257 | |
258 __cpuid (2, regs[0], regs[1], regs[2], regs[3]); | |
259 | |
260 nreps = regs[0] & 0x0f; | |
261 regs[0] &= ~0x0f; | |
262 | |
263 while (--nreps >= 0) | |
264 { | |
265 for (i = 0; i < 4; i++) | |
266 if (regs[i] && !((regs[i] >> 31) & 1)) | |
267 decode_caches_intel (regs[i], xeon_mp, level1, level2); | |
268 | |
269 if (nreps) | |
270 __cpuid (2, regs[0], regs[1], regs[2], regs[3]); | |
271 } | |
272 } | |
273 | |
274 /* Detect cache parameters using CPUID function 4. This | |
275 method doesn't require hardcoded tables. */ | |
276 | |
277 enum cache_type | |
278 { | |
279 CACHE_END = 0, | |
280 CACHE_DATA = 1, | |
281 CACHE_INST = 2, | |
282 CACHE_UNIFIED = 3 | |
283 }; | |
284 | |
285 static void | |
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286 detect_caches_cpuid4 (struct cache_desc *level1, struct cache_desc *level2, |
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287 struct cache_desc *level3) |
0 | 288 { |
289 struct cache_desc *cache; | |
290 | |
291 unsigned eax, ebx, ecx, edx; | |
292 int count; | |
293 | |
294 for (count = 0;; count++) | |
295 { | |
296 __cpuid_count(4, count, eax, ebx, ecx, edx); | |
297 switch (eax & 0x1f) | |
298 { | |
299 case CACHE_END: | |
300 return; | |
301 case CACHE_DATA: | |
302 case CACHE_UNIFIED: | |
303 { | |
304 switch ((eax >> 5) & 0x07) | |
305 { | |
306 case 1: | |
307 cache = level1; | |
308 break; | |
309 case 2: | |
310 cache = level2; | |
311 break; | |
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312 case 3: |
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313 cache = level3; |
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314 break; |
0 | 315 default: |
316 cache = NULL; | |
317 } | |
318 | |
319 if (cache) | |
320 { | |
321 unsigned sets = ecx + 1; | |
322 unsigned part = ((ebx >> 12) & 0x03ff) + 1; | |
323 | |
324 cache->assoc = ((ebx >> 22) & 0x03ff) + 1; | |
325 cache->line = (ebx & 0x0fff) + 1; | |
326 | |
327 cache->sizekb = (cache->assoc * part | |
328 * cache->line * sets) / 1024; | |
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329 } |
0 | 330 } |
331 default: | |
332 break; | |
333 } | |
334 } | |
335 } | |
336 | |
337 /* Returns the description of caches for an Intel processor. */ | |
338 | |
339 static const char * | |
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340 detect_caches_intel (bool xeon_mp, unsigned max_level, |
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341 unsigned max_ext_level, unsigned *l2sizekb) |
0 | 342 { |
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343 struct cache_desc level1 = {0, 0, 0}, level2 = {0, 0, 0}, level3 = {0, 0, 0}; |
0 | 344 |
345 if (max_level >= 4) | |
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346 detect_caches_cpuid4 (&level1, &level2, &level3); |
0 | 347 else if (max_level >= 2) |
348 detect_caches_cpuid2 (xeon_mp, &level1, &level2); | |
349 else | |
350 return ""; | |
351 | |
352 if (level1.sizekb == 0) | |
353 return ""; | |
354 | |
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355 /* Let the L3 replace the L2. This assumes inclusive caches |
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356 and single threaded program for now. */ |
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357 if (level3.sizekb) |
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358 level2 = level3; |
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359 |
0 | 360 /* Intel CPUs are equipped with AMD style L2 cache info. Try this |
361 method if other methods fail to provide L2 cache parameters. */ | |
362 if (level2.sizekb == 0 && max_ext_level >= 0x80000006) | |
363 detect_l2_cache (&level2); | |
364 | |
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365 *l2sizekb = level2.sizekb; |
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366 |
0 | 367 return describe_cache (level1, level2); |
368 } | |
369 | |
370 /* This will be called by the spec parser in gcc.c when it sees | |
371 a %:local_cpu_detect(args) construct. Currently it will be called | |
372 with either "arch" or "tune" as argument depending on if -march=native | |
373 or -mtune=native is to be substituted. | |
374 | |
375 It returns a string containing new command line parameters to be | |
376 put at the place of the above two options, depending on what CPU | |
377 this is executed. E.g. "-march=k8" on an AMD64 machine | |
378 for -march=native. | |
379 | |
380 ARGC and ARGV are set depending on the actual arguments given | |
381 in the spec. */ | |
382 | |
383 const char *host_detect_local_cpu (int argc, const char **argv) | |
384 { | |
385 enum processor_type processor = PROCESSOR_I386; | |
386 const char *cpu = "i386"; | |
387 | |
388 const char *cache = ""; | |
389 const char *options = ""; | |
390 | |
391 unsigned int eax, ebx, ecx, edx; | |
392 | |
393 unsigned int max_level, ext_level; | |
394 | |
395 unsigned int vendor; | |
396 unsigned int model, family; | |
397 | |
398 unsigned int has_sse3, has_ssse3, has_cmpxchg16b; | |
399 unsigned int has_cmpxchg8b, has_cmov, has_mmx, has_sse, has_sse2; | |
400 | |
401 /* Extended features */ | |
402 unsigned int has_lahf_lm = 0, has_sse4a = 0; | |
403 unsigned int has_longmode = 0, has_3dnowp = 0, has_3dnow = 0; | |
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404 unsigned int has_movbe = 0, has_sse4_1 = 0, has_sse4_2 = 0; |
111 | 405 unsigned int has_popcnt = 0, has_aes = 0, has_avx = 0, has_avx2 = 0; |
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406 unsigned int has_pclmul = 0, has_abm = 0, has_lwp = 0; |
111 | 407 unsigned int has_fma = 0, has_fma4 = 0, has_xop = 0; |
408 unsigned int has_bmi = 0, has_bmi2 = 0, has_tbm = 0, has_lzcnt = 0; | |
409 unsigned int has_hle = 0, has_rtm = 0, has_sgx = 0; | |
131 | 410 unsigned int has_pconfig = 0, has_wbnoinvd = 0; |
111 | 411 unsigned int has_rdrnd = 0, has_f16c = 0, has_fsgsbase = 0; |
412 unsigned int has_rdseed = 0, has_prfchw = 0, has_adx = 0; | |
413 unsigned int has_osxsave = 0, has_fxsr = 0, has_xsave = 0, has_xsaveopt = 0; | |
414 unsigned int has_avx512er = 0, has_avx512pf = 0, has_avx512cd = 0; | |
415 unsigned int has_avx512f = 0, has_sha = 0, has_prefetchwt1 = 0; | |
416 unsigned int has_clflushopt = 0, has_xsavec = 0, has_xsaves = 0; | |
417 unsigned int has_avx512dq = 0, has_avx512bw = 0, has_avx512vl = 0; | |
418 unsigned int has_avx512vbmi = 0, has_avx512ifma = 0, has_clwb = 0; | |
419 unsigned int has_mwaitx = 0, has_clzero = 0, has_pku = 0, has_rdpid = 0; | |
420 unsigned int has_avx5124fmaps = 0, has_avx5124vnniw = 0; | |
131 | 421 unsigned int has_gfni = 0, has_avx512vbmi2 = 0; |
422 unsigned int has_avx512bitalg = 0; | |
423 unsigned int has_shstk = 0; | |
424 unsigned int has_avx512vnni = 0, has_vaes = 0; | |
425 unsigned int has_vpclmulqdq = 0; | |
426 unsigned int has_movdiri = 0, has_movdir64b = 0; | |
427 unsigned int has_waitpkg = 0; | |
428 unsigned int has_cldemote = 0; | |
0 | 429 |
430 bool arch; | |
431 | |
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432 unsigned int l2sizekb = 0; |
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433 |
0 | 434 if (argc < 1) |
435 return NULL; | |
436 | |
437 arch = !strcmp (argv[0], "arch"); | |
438 | |
439 if (!arch && strcmp (argv[0], "tune")) | |
440 return NULL; | |
441 | |
442 max_level = __get_cpuid_max (0, &vendor); | |
443 if (max_level < 1) | |
444 goto done; | |
445 | |
446 __cpuid (1, eax, ebx, ecx, edx); | |
447 | |
448 model = (eax >> 4) & 0x0f; | |
449 family = (eax >> 8) & 0x0f; | |
111 | 450 if (vendor == signature_INTEL_ebx |
451 || vendor == signature_AMD_ebx) | |
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452 { |
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453 unsigned int extended_model, extended_family; |
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454 |
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455 extended_model = (eax >> 12) & 0xf0; |
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456 extended_family = (eax >> 20) & 0xff; |
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457 if (family == 0x0f) |
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458 { |
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459 family += extended_family; |
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460 model += extended_model; |
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461 } |
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462 else if (family == 0x06) |
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463 model += extended_model; |
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464 } |
0 | 465 |
466 has_sse3 = ecx & bit_SSE3; | |
467 has_ssse3 = ecx & bit_SSSE3; | |
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468 has_sse4_1 = ecx & bit_SSE4_1; |
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469 has_sse4_2 = ecx & bit_SSE4_2; |
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470 has_avx = ecx & bit_AVX; |
111 | 471 has_osxsave = ecx & bit_OSXSAVE; |
0 | 472 has_cmpxchg16b = ecx & bit_CMPXCHG16B; |
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473 has_movbe = ecx & bit_MOVBE; |
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474 has_popcnt = ecx & bit_POPCNT; |
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475 has_aes = ecx & bit_AES; |
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476 has_pclmul = ecx & bit_PCLMUL; |
111 | 477 has_fma = ecx & bit_FMA; |
478 has_f16c = ecx & bit_F16C; | |
479 has_rdrnd = ecx & bit_RDRND; | |
480 has_xsave = ecx & bit_XSAVE; | |
0 | 481 |
482 has_cmpxchg8b = edx & bit_CMPXCHG8B; | |
483 has_cmov = edx & bit_CMOV; | |
484 has_mmx = edx & bit_MMX; | |
111 | 485 has_fxsr = edx & bit_FXSAVE; |
0 | 486 has_sse = edx & bit_SSE; |
487 has_sse2 = edx & bit_SSE2; | |
488 | |
111 | 489 if (max_level >= 7) |
490 { | |
491 __cpuid_count (7, 0, eax, ebx, ecx, edx); | |
492 | |
493 has_bmi = ebx & bit_BMI; | |
494 has_sgx = ebx & bit_SGX; | |
495 has_hle = ebx & bit_HLE; | |
496 has_rtm = ebx & bit_RTM; | |
497 has_avx2 = ebx & bit_AVX2; | |
498 has_bmi2 = ebx & bit_BMI2; | |
499 has_fsgsbase = ebx & bit_FSGSBASE; | |
500 has_rdseed = ebx & bit_RDSEED; | |
501 has_adx = ebx & bit_ADX; | |
502 has_avx512f = ebx & bit_AVX512F; | |
503 has_avx512er = ebx & bit_AVX512ER; | |
504 has_avx512pf = ebx & bit_AVX512PF; | |
505 has_avx512cd = ebx & bit_AVX512CD; | |
506 has_sha = ebx & bit_SHA; | |
507 has_clflushopt = ebx & bit_CLFLUSHOPT; | |
508 has_clwb = ebx & bit_CLWB; | |
509 has_avx512dq = ebx & bit_AVX512DQ; | |
510 has_avx512bw = ebx & bit_AVX512BW; | |
511 has_avx512vl = ebx & bit_AVX512VL; | |
512 has_avx512ifma = ebx & bit_AVX512IFMA; | |
513 | |
514 has_prefetchwt1 = ecx & bit_PREFETCHWT1; | |
515 has_avx512vbmi = ecx & bit_AVX512VBMI; | |
516 has_pku = ecx & bit_OSPKE; | |
131 | 517 has_avx512vbmi2 = ecx & bit_AVX512VBMI2; |
518 has_avx512vnni = ecx & bit_AVX512VNNI; | |
111 | 519 has_rdpid = ecx & bit_RDPID; |
520 has_gfni = ecx & bit_GFNI; | |
131 | 521 has_vaes = ecx & bit_VAES; |
522 has_vpclmulqdq = ecx & bit_VPCLMULQDQ; | |
523 has_avx512bitalg = ecx & bit_AVX512BITALG; | |
524 has_movdiri = ecx & bit_MOVDIRI; | |
525 has_movdir64b = ecx & bit_MOVDIR64B; | |
526 has_cldemote = ecx & bit_CLDEMOTE; | |
111 | 527 |
528 has_avx5124vnniw = edx & bit_AVX5124VNNIW; | |
529 has_avx5124fmaps = edx & bit_AVX5124FMAPS; | |
530 | |
531 has_shstk = ecx & bit_SHSTK; | |
131 | 532 has_pconfig = edx & bit_PCONFIG; |
533 has_waitpkg = ecx & bit_WAITPKG; | |
111 | 534 } |
535 | |
536 if (max_level >= 13) | |
537 { | |
538 __cpuid_count (13, 1, eax, ebx, ecx, edx); | |
539 | |
540 has_xsaveopt = eax & bit_XSAVEOPT; | |
541 has_xsavec = eax & bit_XSAVEC; | |
542 has_xsaves = eax & bit_XSAVES; | |
543 } | |
544 | |
0 | 545 /* Check cpuid level of extended features. */ |
546 __cpuid (0x80000000, ext_level, ebx, ecx, edx); | |
547 | |
111 | 548 if (ext_level >= 0x80000001) |
0 | 549 { |
550 __cpuid (0x80000001, eax, ebx, ecx, edx); | |
551 | |
552 has_lahf_lm = ecx & bit_LAHF_LM; | |
553 has_sse4a = ecx & bit_SSE4a; | |
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554 has_abm = ecx & bit_ABM; |
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555 has_lwp = ecx & bit_LWP; |
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556 has_fma4 = ecx & bit_FMA4; |
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557 has_xop = ecx & bit_XOP; |
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558 has_tbm = ecx & bit_TBM; |
111 | 559 has_lzcnt = ecx & bit_LZCNT; |
560 has_prfchw = ecx & bit_PRFCHW; | |
0 | 561 |
562 has_longmode = edx & bit_LM; | |
563 has_3dnowp = edx & bit_3DNOWP; | |
564 has_3dnow = edx & bit_3DNOW; | |
111 | 565 has_mwaitx = ecx & bit_MWAITX; |
566 } | |
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567 |
111 | 568 if (ext_level >= 0x80000008) |
569 { | |
570 __cpuid (0x80000008, eax, ebx, ecx, edx); | |
571 has_clzero = ebx & bit_CLZERO; | |
131 | 572 has_wbnoinvd = ebx & bit_WBNOINVD; |
111 | 573 } |
574 | |
575 /* Get XCR_XFEATURE_ENABLED_MASK register with xgetbv. */ | |
576 #define XCR_XFEATURE_ENABLED_MASK 0x0 | |
577 #define XSTATE_FP 0x1 | |
578 #define XSTATE_SSE 0x2 | |
579 #define XSTATE_YMM 0x4 | |
580 #define XSTATE_OPMASK 0x20 | |
581 #define XSTATE_ZMM 0x40 | |
582 #define XSTATE_HI_ZMM 0x80 | |
583 | |
584 #define XCR_AVX_ENABLED_MASK \ | |
585 (XSTATE_SSE | XSTATE_YMM) | |
586 #define XCR_AVX512F_ENABLED_MASK \ | |
587 (XSTATE_SSE | XSTATE_YMM | XSTATE_OPMASK | XSTATE_ZMM | XSTATE_HI_ZMM) | |
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588 |
111 | 589 if (has_osxsave) |
590 asm (".byte 0x0f; .byte 0x01; .byte 0xd0" | |
591 : "=a" (eax), "=d" (edx) | |
592 : "c" (XCR_XFEATURE_ENABLED_MASK)); | |
593 else | |
594 eax = 0; | |
595 | |
596 /* Check if AVX registers are supported. */ | |
597 if ((eax & XCR_AVX_ENABLED_MASK) != XCR_AVX_ENABLED_MASK) | |
598 { | |
599 has_avx = 0; | |
600 has_avx2 = 0; | |
601 has_fma = 0; | |
602 has_fma4 = 0; | |
603 has_f16c = 0; | |
604 has_xop = 0; | |
605 has_xsave = 0; | |
606 has_xsaveopt = 0; | |
607 has_xsaves = 0; | |
608 has_xsavec = 0; | |
609 } | |
610 | |
611 /* Check if AVX512F registers are supported. */ | |
612 if ((eax & XCR_AVX512F_ENABLED_MASK) != XCR_AVX512F_ENABLED_MASK) | |
613 { | |
614 has_avx512f = 0; | |
615 has_avx512er = 0; | |
616 has_avx512pf = 0; | |
617 has_avx512cd = 0; | |
618 has_avx512dq = 0; | |
619 has_avx512bw = 0; | |
620 has_avx512vl = 0; | |
0 | 621 } |
622 | |
623 if (!arch) | |
624 { | |
111 | 625 if (vendor == signature_AMD_ebx |
626 || vendor == signature_CENTAUR_ebx | |
627 || vendor == signature_CYRIX_ebx | |
628 || vendor == signature_NSC_ebx) | |
0 | 629 cache = detect_caches_amd (ext_level); |
111 | 630 else if (vendor == signature_INTEL_ebx) |
0 | 631 { |
632 bool xeon_mp = (family == 15 && model == 6); | |
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633 cache = detect_caches_intel (xeon_mp, max_level, |
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634 ext_level, &l2sizekb); |
0 | 635 } |
636 } | |
637 | |
111 | 638 if (vendor == signature_AMD_ebx) |
0 | 639 { |
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640 unsigned int name; |
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641 |
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642 /* Detect geode processor by its processor signature. */ |
111 | 643 if (ext_level >= 0x80000002) |
19
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644 __cpuid (0x80000002, name, ebx, ecx, edx); |
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645 else |
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646 name = 0; |
0 | 647 |
111 | 648 if (name == signature_NSC_ebx) |
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649 processor = PROCESSOR_GEODE; |
111 | 650 else if (has_movbe && family == 22) |
651 processor = PROCESSOR_BTVER2; | |
652 else if (has_clzero) | |
653 processor = PROCESSOR_ZNVER1; | |
654 else if (has_avx2) | |
655 processor = PROCESSOR_BDVER4; | |
656 else if (has_xsaveopt) | |
657 processor = PROCESSOR_BDVER3; | |
658 else if (has_bmi) | |
659 processor = PROCESSOR_BDVER2; | |
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660 else if (has_xop) |
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661 processor = PROCESSOR_BDVER1; |
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662 else if (has_sse4a && has_ssse3) |
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663 processor = PROCESSOR_BTVER1; |
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664 else if (has_sse4a) |
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665 processor = PROCESSOR_AMDFAM10; |
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|
666 else if (has_sse2 || has_longmode) |
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|
667 processor = PROCESSOR_K8; |
111 | 668 else if (has_3dnowp && family == 6) |
0 | 669 processor = PROCESSOR_ATHLON; |
19
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|
670 else if (has_mmx) |
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|
671 processor = PROCESSOR_K6; |
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672 else |
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|
673 processor = PROCESSOR_PENTIUM; |
0 | 674 } |
111 | 675 else if (vendor == signature_CENTAUR_ebx) |
676 { | |
677 processor = PROCESSOR_GENERIC; | |
678 | |
679 switch (family) | |
680 { | |
681 default: | |
682 /* We have no idea. */ | |
683 break; | |
684 | |
685 case 5: | |
686 if (has_3dnow || has_mmx) | |
687 processor = PROCESSOR_I486; | |
688 break; | |
689 | |
690 case 6: | |
691 if (has_longmode) | |
692 processor = PROCESSOR_K8; | |
693 else if (model >= 9) | |
694 processor = PROCESSOR_PENTIUMPRO; | |
695 else if (model >= 6) | |
696 processor = PROCESSOR_I486; | |
697 } | |
698 } | |
0 | 699 else |
700 { | |
701 switch (family) | |
702 { | |
703 case 4: | |
704 processor = PROCESSOR_I486; | |
705 break; | |
706 case 5: | |
707 processor = PROCESSOR_PENTIUM; | |
708 break; | |
709 case 6: | |
710 processor = PROCESSOR_PENTIUMPRO; | |
711 break; | |
712 case 15: | |
713 processor = PROCESSOR_PENTIUM4; | |
714 break; | |
715 default: | |
716 /* We have no idea. */ | |
111 | 717 processor = PROCESSOR_GENERIC; |
0 | 718 } |
719 } | |
720 | |
721 switch (processor) | |
722 { | |
723 case PROCESSOR_I386: | |
724 /* Default. */ | |
725 break; | |
726 case PROCESSOR_I486: | |
111 | 727 if (arch && vendor == signature_CENTAUR_ebx) |
728 { | |
729 if (model >= 6) | |
730 cpu = "c3"; | |
731 else if (has_3dnow) | |
732 cpu = "winchip2"; | |
733 else | |
734 /* Assume WinChip C6. */ | |
735 cpu = "winchip-c6"; | |
736 } | |
737 else | |
738 cpu = "i486"; | |
0 | 739 break; |
740 case PROCESSOR_PENTIUM: | |
741 if (arch && has_mmx) | |
742 cpu = "pentium-mmx"; | |
743 else | |
744 cpu = "pentium"; | |
745 break; | |
746 case PROCESSOR_PENTIUMPRO: | |
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747 switch (model) |
0 | 748 { |
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749 case 0x1c: |
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750 case 0x26: |
111 | 751 /* Bonnell. */ |
752 cpu = "bonnell"; | |
753 break; | |
754 case 0x37: | |
755 case 0x4a: | |
756 case 0x4d: | |
757 case 0x5a: | |
758 case 0x5d: | |
759 /* Silvermont. */ | |
760 cpu = "silvermont"; | |
761 break; | |
131 | 762 case 0x5c: |
763 case 0x5f: | |
764 /* Goldmont. */ | |
765 cpu = "goldmont"; | |
766 break; | |
767 case 0x7a: | |
768 /* Goldmont Plus. */ | |
769 cpu = "goldmont-plus"; | |
770 break; | |
111 | 771 case 0x0f: |
772 /* Merom. */ | |
773 case 0x17: | |
774 case 0x1d: | |
775 /* Penryn. */ | |
776 cpu = "core2"; | |
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|
777 break; |
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|
778 case 0x1a: |
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779 case 0x1e: |
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780 case 0x1f: |
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781 case 0x2e: |
67
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782 /* Nehalem. */ |
111 | 783 cpu = "nehalem"; |
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784 break; |
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785 case 0x25: |
67
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786 case 0x2c: |
63
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787 case 0x2f: |
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788 /* Westmere. */ |
111 | 789 cpu = "westmere"; |
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790 break; |
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791 case 0x2a: |
111 | 792 case 0x2d: |
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793 /* Sandy Bridge. */ |
111 | 794 cpu = "sandybridge"; |
795 break; | |
796 case 0x3a: | |
797 case 0x3e: | |
798 /* Ivy Bridge. */ | |
799 cpu = "ivybridge"; | |
800 break; | |
801 case 0x3c: | |
802 case 0x3f: | |
803 case 0x45: | |
804 case 0x46: | |
805 /* Haswell. */ | |
806 cpu = "haswell"; | |
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807 break; |
111 | 808 case 0x3d: |
809 case 0x47: | |
810 case 0x4f: | |
811 case 0x56: | |
812 /* Broadwell. */ | |
813 cpu = "broadwell"; | |
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814 break; |
111 | 815 case 0x4e: |
816 case 0x5e: | |
817 /* Skylake. */ | |
818 case 0x8e: | |
819 case 0x9e: | |
820 /* Kaby Lake. */ | |
821 cpu = "skylake"; | |
822 break; | |
131 | 823 case 0x55: |
824 /* Skylake with AVX-512. */ | |
825 cpu = "skylake-avx512"; | |
826 break; | |
111 | 827 case 0x57: |
828 /* Knights Landing. */ | |
829 cpu = "knl"; | |
830 break; | |
131 | 831 case 0x66: |
832 /* Cannon Lake. */ | |
833 cpu = "cannonlake"; | |
834 break; | |
111 | 835 case 0x85: |
131 | 836 /* Knights Mill. */ |
111 | 837 cpu = "knm"; |
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838 break; |
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839 default: |
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840 if (arch) |
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841 { |
111 | 842 /* This is unknown family 0x6 CPU. */ |
131 | 843 /* Assume Ice Lake Server. */ |
844 if (has_wbnoinvd) | |
845 cpu = "icelake-server"; | |
846 /* Assume Ice Lake. */ | |
847 else if (has_gfni) | |
848 cpu = "icelake-client"; | |
849 /* Assume Cannon Lake. */ | |
850 else if (has_avx512vbmi) | |
851 cpu = "cannonlake"; | |
852 /* Assume Knights Mill. */ | |
111 | 853 else if (has_avx5124vnniw) |
854 cpu = "knm"; | |
131 | 855 /* Assume Knights Landing. */ |
856 else if (has_avx512er) | |
857 cpu = "knl"; | |
858 /* Assume Skylake with AVX-512. */ | |
859 else if (has_avx512f) | |
860 cpu = "skylake-avx512"; | |
111 | 861 /* Assume Skylake. */ |
862 else if (has_clflushopt) | |
863 cpu = "skylake"; | |
864 /* Assume Broadwell. */ | |
865 else if (has_adx) | |
866 cpu = "broadwell"; | |
867 else if (has_avx2) | |
868 /* Assume Haswell. */ | |
869 cpu = "haswell"; | |
870 else if (has_avx) | |
871 /* Assume Sandy Bridge. */ | |
872 cpu = "sandybridge"; | |
873 else if (has_sse4_2) | |
874 { | |
131 | 875 if (has_gfni) |
876 /* Assume Tremont. */ | |
877 cpu = "tremont"; | |
878 else if (has_sgx) | |
879 /* Assume Goldmont Plus. */ | |
880 cpu = "goldmont-plus"; | |
881 else if (has_xsave) | |
882 /* Assume Goldmont. */ | |
883 cpu = "goldmont"; | |
884 else if (has_movbe) | |
111 | 885 /* Assume Silvermont. */ |
886 cpu = "silvermont"; | |
887 else | |
888 /* Assume Nehalem. */ | |
889 cpu = "nehalem"; | |
890 } | |
891 else if (has_ssse3) | |
892 { | |
893 if (has_movbe) | |
894 /* Assume Bonnell. */ | |
895 cpu = "bonnell"; | |
896 else | |
897 /* Assume Core 2. */ | |
898 cpu = "core2"; | |
899 } | |
900 else if (has_longmode) | |
901 /* Perhaps some emulator? Assume x86-64, otherwise gcc | |
902 -march=native would be unusable for 64-bit compilations, | |
903 as all the CPUs below are 32-bit only. */ | |
904 cpu = "x86-64"; | |
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905 else if (has_sse3) |
111 | 906 { |
907 if (vendor == signature_CENTAUR_ebx) | |
908 /* C7 / Eden "Esther" */ | |
909 cpu = "c7"; | |
910 else | |
911 /* It is Core Duo. */ | |
912 cpu = "pentium-m"; | |
913 } | |
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914 else if (has_sse2) |
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915 /* It is Pentium M. */ |
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916 cpu = "pentium-m"; |
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917 else if (has_sse) |
111 | 918 { |
919 if (vendor == signature_CENTAUR_ebx) | |
920 { | |
921 if (model >= 9) | |
922 /* Eden "Nehemiah" */ | |
923 cpu = "nehemiah"; | |
924 else | |
925 cpu = "c3-2"; | |
926 } | |
927 else | |
928 /* It is Pentium III. */ | |
929 cpu = "pentium3"; | |
930 } | |
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931 else if (has_mmx) |
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932 /* It is Pentium II. */ |
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933 cpu = "pentium2"; |
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934 else |
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935 /* Default to Pentium Pro. */ |
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936 cpu = "pentiumpro"; |
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937 } |
0 | 938 else |
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939 /* For -mtune, we default to -mtune=generic. */ |
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940 cpu = "generic"; |
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941 break; |
0 | 942 } |
943 break; | |
944 case PROCESSOR_PENTIUM4: | |
945 if (has_sse3) | |
946 { | |
947 if (has_longmode) | |
948 cpu = "nocona"; | |
949 else | |
950 cpu = "prescott"; | |
951 } | |
952 else | |
953 cpu = "pentium4"; | |
954 break; | |
955 case PROCESSOR_GEODE: | |
956 cpu = "geode"; | |
957 break; | |
958 case PROCESSOR_K6: | |
959 if (arch && has_3dnow) | |
960 cpu = "k6-3"; | |
961 else | |
962 cpu = "k6"; | |
963 break; | |
964 case PROCESSOR_ATHLON: | |
965 if (arch && has_sse) | |
966 cpu = "athlon-4"; | |
967 else | |
968 cpu = "athlon"; | |
969 break; | |
970 case PROCESSOR_K8: | |
111 | 971 if (arch) |
972 { | |
973 if (vendor == signature_CENTAUR_ebx) | |
974 { | |
975 if (has_sse4_1) | |
976 /* Nano 3000 | Nano dual / quad core | Eden X4 */ | |
977 cpu = "nano-3000"; | |
978 else if (has_ssse3) | |
979 /* Nano 1000 | Nano 2000 */ | |
980 cpu = "nano"; | |
981 else if (has_sse3) | |
982 /* Eden X2 */ | |
983 cpu = "eden-x2"; | |
984 else | |
985 /* Default to k8 */ | |
986 cpu = "k8"; | |
987 } | |
988 else if (has_sse3) | |
989 cpu = "k8-sse3"; | |
990 else | |
991 cpu = "k8"; | |
992 } | |
0 | 993 else |
111 | 994 /* For -mtune, we default to -mtune=k8 */ |
0 | 995 cpu = "k8"; |
996 break; | |
997 case PROCESSOR_AMDFAM10: | |
998 cpu = "amdfam10"; | |
999 break; | |
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1000 case PROCESSOR_BDVER1: |
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1001 cpu = "bdver1"; |
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1002 break; |
111 | 1003 case PROCESSOR_BDVER2: |
1004 cpu = "bdver2"; | |
1005 break; | |
1006 case PROCESSOR_BDVER3: | |
1007 cpu = "bdver3"; | |
1008 break; | |
1009 case PROCESSOR_BDVER4: | |
1010 cpu = "bdver4"; | |
1011 break; | |
1012 case PROCESSOR_ZNVER1: | |
1013 cpu = "znver1"; | |
1014 break; | |
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1015 case PROCESSOR_BTVER1: |
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1016 cpu = "btver1"; |
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1017 break; |
111 | 1018 case PROCESSOR_BTVER2: |
1019 cpu = "btver2"; | |
1020 break; | |
0 | 1021 |
1022 default: | |
1023 /* Use something reasonable. */ | |
1024 if (arch) | |
1025 { | |
1026 if (has_ssse3) | |
1027 cpu = "core2"; | |
1028 else if (has_sse3) | |
1029 { | |
1030 if (has_longmode) | |
1031 cpu = "nocona"; | |
1032 else | |
1033 cpu = "prescott"; | |
1034 } | |
111 | 1035 else if (has_longmode) |
1036 /* Perhaps some emulator? Assume x86-64, otherwise gcc | |
1037 -march=native would be unusable for 64-bit compilations, | |
1038 as all the CPUs below are 32-bit only. */ | |
1039 cpu = "x86-64"; | |
0 | 1040 else if (has_sse2) |
1041 cpu = "pentium4"; | |
1042 else if (has_cmov) | |
1043 cpu = "pentiumpro"; | |
1044 else if (has_mmx) | |
1045 cpu = "pentium-mmx"; | |
1046 else if (has_cmpxchg8b) | |
1047 cpu = "pentium"; | |
1048 } | |
1049 else | |
1050 cpu = "generic"; | |
1051 } | |
1052 | |
1053 if (arch) | |
1054 { | |
111 | 1055 const char *mmx = has_mmx ? " -mmmx" : " -mno-mmx"; |
1056 const char *mmx3dnow = has_3dnow ? " -m3dnow" : " -mno-3dnow"; | |
1057 const char *sse = has_sse ? " -msse" : " -mno-sse"; | |
1058 const char *sse2 = has_sse2 ? " -msse2" : " -mno-sse2"; | |
1059 const char *sse3 = has_sse3 ? " -msse3" : " -mno-sse3"; | |
1060 const char *ssse3 = has_ssse3 ? " -mssse3" : " -mno-ssse3"; | |
1061 const char *sse4a = has_sse4a ? " -msse4a" : " -mno-sse4a"; | |
1062 const char *cx16 = has_cmpxchg16b ? " -mcx16" : " -mno-cx16"; | |
1063 const char *sahf = has_lahf_lm ? " -msahf" : " -mno-sahf"; | |
1064 const char *movbe = has_movbe ? " -mmovbe" : " -mno-movbe"; | |
1065 const char *aes = has_aes ? " -maes" : " -mno-aes"; | |
1066 const char *sha = has_sha ? " -msha" : " -mno-sha"; | |
1067 const char *pclmul = has_pclmul ? " -mpclmul" : " -mno-pclmul"; | |
1068 const char *popcnt = has_popcnt ? " -mpopcnt" : " -mno-popcnt"; | |
1069 const char *abm = has_abm ? " -mabm" : " -mno-abm"; | |
1070 const char *lwp = has_lwp ? " -mlwp" : " -mno-lwp"; | |
1071 const char *fma = has_fma ? " -mfma" : " -mno-fma"; | |
1072 const char *fma4 = has_fma4 ? " -mfma4" : " -mno-fma4"; | |
1073 const char *xop = has_xop ? " -mxop" : " -mno-xop"; | |
1074 const char *bmi = has_bmi ? " -mbmi" : " -mno-bmi"; | |
131 | 1075 const char *pconfig = has_pconfig ? " -mpconfig" : " -mno-pconfig"; |
1076 const char *wbnoinvd = has_wbnoinvd ? " -mwbnoinvd" : " -mno-wbnoinvd"; | |
111 | 1077 const char *sgx = has_sgx ? " -msgx" : " -mno-sgx"; |
1078 const char *bmi2 = has_bmi2 ? " -mbmi2" : " -mno-bmi2"; | |
1079 const char *tbm = has_tbm ? " -mtbm" : " -mno-tbm"; | |
1080 const char *avx = has_avx ? " -mavx" : " -mno-avx"; | |
1081 const char *avx2 = has_avx2 ? " -mavx2" : " -mno-avx2"; | |
1082 const char *sse4_2 = has_sse4_2 ? " -msse4.2" : " -mno-sse4.2"; | |
1083 const char *sse4_1 = has_sse4_1 ? " -msse4.1" : " -mno-sse4.1"; | |
1084 const char *lzcnt = has_lzcnt ? " -mlzcnt" : " -mno-lzcnt"; | |
1085 const char *hle = has_hle ? " -mhle" : " -mno-hle"; | |
1086 const char *rtm = has_rtm ? " -mrtm" : " -mno-rtm"; | |
1087 const char *rdrnd = has_rdrnd ? " -mrdrnd" : " -mno-rdrnd"; | |
1088 const char *f16c = has_f16c ? " -mf16c" : " -mno-f16c"; | |
1089 const char *fsgsbase = has_fsgsbase ? " -mfsgsbase" : " -mno-fsgsbase"; | |
1090 const char *rdseed = has_rdseed ? " -mrdseed" : " -mno-rdseed"; | |
1091 const char *prfchw = has_prfchw ? " -mprfchw" : " -mno-prfchw"; | |
1092 const char *adx = has_adx ? " -madx" : " -mno-adx"; | |
1093 const char *fxsr = has_fxsr ? " -mfxsr" : " -mno-fxsr"; | |
1094 const char *xsave = has_xsave ? " -mxsave" : " -mno-xsave"; | |
1095 const char *xsaveopt = has_xsaveopt ? " -mxsaveopt" : " -mno-xsaveopt"; | |
1096 const char *avx512f = has_avx512f ? " -mavx512f" : " -mno-avx512f"; | |
1097 const char *avx512er = has_avx512er ? " -mavx512er" : " -mno-avx512er"; | |
1098 const char *avx512cd = has_avx512cd ? " -mavx512cd" : " -mno-avx512cd"; | |
1099 const char *avx512pf = has_avx512pf ? " -mavx512pf" : " -mno-avx512pf"; | |
1100 const char *prefetchwt1 = has_prefetchwt1 ? " -mprefetchwt1" : " -mno-prefetchwt1"; | |
1101 const char *clflushopt = has_clflushopt ? " -mclflushopt" : " -mno-clflushopt"; | |
1102 const char *xsavec = has_xsavec ? " -mxsavec" : " -mno-xsavec"; | |
1103 const char *xsaves = has_xsaves ? " -mxsaves" : " -mno-xsaves"; | |
1104 const char *avx512dq = has_avx512dq ? " -mavx512dq" : " -mno-avx512dq"; | |
1105 const char *avx512bw = has_avx512bw ? " -mavx512bw" : " -mno-avx512bw"; | |
1106 const char *avx512vl = has_avx512vl ? " -mavx512vl" : " -mno-avx512vl"; | |
1107 const char *avx512ifma = has_avx512ifma ? " -mavx512ifma" : " -mno-avx512ifma"; | |
1108 const char *avx512vbmi = has_avx512vbmi ? " -mavx512vbmi" : " -mno-avx512vbmi"; | |
1109 const char *avx5124vnniw = has_avx5124vnniw ? " -mavx5124vnniw" : " -mno-avx5124vnniw"; | |
131 | 1110 const char *avx512vbmi2 = has_avx512vbmi2 ? " -mavx512vbmi2" : " -mno-avx512vbmi2"; |
1111 const char *avx512vnni = has_avx512vnni ? " -mavx512vnni" : " -mno-avx512vnni"; | |
111 | 1112 const char *avx5124fmaps = has_avx5124fmaps ? " -mavx5124fmaps" : " -mno-avx5124fmaps"; |
1113 const char *clwb = has_clwb ? " -mclwb" : " -mno-clwb"; | |
1114 const char *mwaitx = has_mwaitx ? " -mmwaitx" : " -mno-mwaitx"; | |
1115 const char *clzero = has_clzero ? " -mclzero" : " -mno-clzero"; | |
1116 const char *pku = has_pku ? " -mpku" : " -mno-pku"; | |
1117 const char *rdpid = has_rdpid ? " -mrdpid" : " -mno-rdpid"; | |
1118 const char *gfni = has_gfni ? " -mgfni" : " -mno-gfni"; | |
1119 const char *shstk = has_shstk ? " -mshstk" : " -mno-shstk"; | |
131 | 1120 const char *vaes = has_vaes ? " -mvaes" : " -mno-vaes"; |
1121 const char *vpclmulqdq = has_vpclmulqdq ? " -mvpclmulqdq" : " -mno-vpclmulqdq"; | |
1122 const char *avx512bitalg = has_avx512bitalg ? " -mavx512bitalg" : " -mno-avx512bitalg"; | |
1123 const char *movdiri = has_movdiri ? " -mmovdiri" : " -mno-movdiri"; | |
1124 const char *movdir64b = has_movdir64b ? " -mmovdir64b" : " -mno-movdir64b"; | |
1125 const char *waitpkg = has_waitpkg ? " -mwaitpkg" : " -mno-waitpkg"; | |
1126 const char *cldemote = has_cldemote ? " -mcldemote" : " -mno-cldemote"; | |
111 | 1127 options = concat (options, mmx, mmx3dnow, sse, sse2, sse3, ssse3, |
1128 sse4a, cx16, sahf, movbe, aes, sha, pclmul, | |
1129 popcnt, abm, lwp, fma, fma4, xop, bmi, sgx, bmi2, | |
131 | 1130 pconfig, wbnoinvd, |
111 | 1131 tbm, avx, avx2, sse4_2, sse4_1, lzcnt, rtm, |
1132 hle, rdrnd, f16c, fsgsbase, rdseed, prfchw, adx, | |
1133 fxsr, xsave, xsaveopt, avx512f, avx512er, | |
1134 avx512cd, avx512pf, prefetchwt1, clflushopt, | |
1135 xsavec, xsaves, avx512dq, avx512bw, avx512vl, | |
1136 avx512ifma, avx512vbmi, avx5124fmaps, avx5124vnniw, | |
131 | 1137 clwb, mwaitx, clzero, pku, rdpid, gfni, shstk, |
1138 avx512vbmi2, avx512vnni, vaes, vpclmulqdq, | |
1139 avx512bitalg, movdiri, movdir64b, waitpkg, cldemote, | |
1140 NULL); | |
0 | 1141 } |
1142 | |
1143 done: | |
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1144 return concat (cache, "-m", argv[0], "=", cpu, options, NULL); |
0 | 1145 } |
1146 #else | |
1147 | |
111 | 1148 /* If we are compiling with GCC where %EBX register is fixed, then the |
1149 driver will just ignore -march and -mtune "native" target and will leave | |
1150 to the newly built compiler to generate code for its default target. */ | |
0 | 1151 |
111 | 1152 const char *host_detect_local_cpu (int, const char **) |
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1153 { |
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1154 return NULL; |
0 | 1155 } |
1156 #endif /* __GNUC__ */ |