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comparison gcc/config/i386/driver-i386.c @ 19:58ad6c70ea60

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update gcc from 4.4.0 to 4.4.1.
author kent@firefly.cr.ie.u-ryukyu.ac.jp
date Thu, 24 Sep 2009 13:21:57 +0900
parents a06113de4d67
children 77e2b8dfacca
comparison
equal deleted inserted replaced
18:33936f7f2835 19:58ad6c70ea60
334 } 334 }
335 335
336 enum vendor_signatures 336 enum vendor_signatures
337 { 337 {
338 SIG_INTEL = 0x756e6547 /* Genu */, 338 SIG_INTEL = 0x756e6547 /* Genu */,
339 SIG_AMD = 0x68747541 /* Auth */, 339 SIG_AMD = 0x68747541 /* Auth */
340 };
341
342 enum processor_signatures
343 {
340 SIG_GEODE = 0x646f6547 /* Geod */ 344 SIG_GEODE = 0x646f6547 /* Geod */
341 }; 345 };
342 346
343 /* This will be called by the spec parser in gcc.c when it sees 347 /* This will be called by the spec parser in gcc.c when it sees
344 a %:local_cpu_detect(args) construct. Currently it will be called 348 a %:local_cpu_detect(args) construct. Currently it will be called
372 unsigned int has_cmpxchg8b, has_cmov, has_mmx, has_sse, has_sse2; 376 unsigned int has_cmpxchg8b, has_cmov, has_mmx, has_sse, has_sse2;
373 377
374 /* Extended features */ 378 /* Extended features */
375 unsigned int has_lahf_lm = 0, has_sse4a = 0; 379 unsigned int has_lahf_lm = 0, has_sse4a = 0;
376 unsigned int has_longmode = 0, has_3dnowp = 0, has_3dnow = 0; 380 unsigned int has_longmode = 0, has_3dnowp = 0, has_3dnow = 0;
381 unsigned int has_sse4_1 = 0, has_sse4_2 = 0;
382 unsigned int has_popcnt = 0, has_aes = 0, has_avx = 0;
383 unsigned int has_pclmul = 0;
377 384
378 bool arch; 385 bool arch;
379 386
380 if (argc < 1) 387 if (argc < 1)
381 return NULL; 388 return NULL;
395 model = (eax >> 4) & 0x0f; 402 model = (eax >> 4) & 0x0f;
396 family = (eax >> 8) & 0x0f; 403 family = (eax >> 8) & 0x0f;
397 404
398 has_sse3 = ecx & bit_SSE3; 405 has_sse3 = ecx & bit_SSE3;
399 has_ssse3 = ecx & bit_SSSE3; 406 has_ssse3 = ecx & bit_SSSE3;
407 has_sse4_1 = ecx & bit_SSE4_1;
408 has_sse4_2 = ecx & bit_SSE4_2;
409 has_avx = ecx & bit_AVX;
400 has_cmpxchg16b = ecx & bit_CMPXCHG16B; 410 has_cmpxchg16b = ecx & bit_CMPXCHG16B;
411 has_popcnt = ecx & bit_POPCNT;
412 has_aes = ecx & bit_AES;
413 has_pclmul = ecx & bit_PCLMUL;
401 414
402 has_cmpxchg8b = edx & bit_CMPXCHG8B; 415 has_cmpxchg8b = edx & bit_CMPXCHG8B;
403 has_cmov = edx & bit_CMOV; 416 has_cmov = edx & bit_CMOV;
404 has_mmx = edx & bit_MMX; 417 has_mmx = edx & bit_MMX;
405 has_sse = edx & bit_SSE; 418 has_sse = edx & bit_SSE;
431 } 444 }
432 } 445 }
433 446
434 if (vendor == SIG_AMD) 447 if (vendor == SIG_AMD)
435 { 448 {
436 processor = PROCESSOR_PENTIUM; 449 unsigned int name;
437 450
438 if (has_mmx) 451 /* Detect geode processor by its processor signature. */
452 if (ext_level > 0x80000001)
453 __cpuid (0x80000002, name, ebx, ecx, edx);
454 else
455 name = 0;
456
457 if (name == SIG_GEODE)
458 processor = PROCESSOR_GEODE;
459 else if (has_sse4a)
460 processor = PROCESSOR_AMDFAM10;
461 else if (has_sse2 || has_longmode)
462 processor = PROCESSOR_K8;
463 else if (has_3dnowp)
464 processor = PROCESSOR_ATHLON;
465 else if (has_mmx)
439 processor = PROCESSOR_K6; 466 processor = PROCESSOR_K6;
440 if (has_3dnowp) 467 else
441 processor = PROCESSOR_ATHLON; 468 processor = PROCESSOR_PENTIUM;
442 if (has_sse2 || has_longmode) 469 }
443 processor = PROCESSOR_K8;
444 if (has_sse4a)
445 processor = PROCESSOR_AMDFAM10;
446 }
447 else if (vendor == SIG_GEODE)
448 processor = PROCESSOR_GEODE;
449 else 470 else
450 { 471 {
451 switch (family) 472 switch (family)
452 { 473 {
453 case 4: 474 case 4:
574 { 595 {
575 if (has_cmpxchg16b) 596 if (has_cmpxchg16b)
576 options = concat (options, "-mcx16 ", NULL); 597 options = concat (options, "-mcx16 ", NULL);
577 if (has_lahf_lm) 598 if (has_lahf_lm)
578 options = concat (options, "-msahf ", NULL); 599 options = concat (options, "-msahf ", NULL);
600 if (has_aes)
601 options = concat (options, "-maes ", NULL);
602 if (has_pclmul)
603 options = concat (options, "-mpclmul ", NULL);
604 if (has_popcnt)
605 options = concat (options, "-mpopcnt ", NULL);
606 if (has_avx)
607 options = concat (options, "-mavx ", NULL);
608 else if (has_sse4_2)
609 options = concat (options, "-msse4.2 ", NULL);
610 else if (has_sse4_1)
611 options = concat (options, "-msse4.1 ", NULL);
579 } 612 }
580 613
581 done: 614 done:
582 return concat (cache, "-m", argv[0], "=", cpu, " ", options, NULL); 615 return concat (cache, "-m", argv[0], "=", cpu, " ", options, NULL);
583 } 616 }