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Lines 538-571
const char *host_detect_local_cpu (int argc, const char **argv)
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| 538 |
cpu = "pentium"; |
538 |
cpu = "pentium"; |
| 539 |
break; |
539 |
break; |
| 540 |
case PROCESSOR_PENTIUMPRO: |
540 |
case PROCESSOR_PENTIUMPRO: |
| 541 |
if (model == 28) |
541 |
switch (model) |
| 542 |
cpu = "atom"; |
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|
| 543 |
else if (model >= 28 && l2sizekb < 2048) |
| 544 |
/* Assume it's a small core if there's less than 2MB cache */ |
| 545 |
cpu = "atom"; |
| 546 |
else if (has_longmode) |
| 547 |
cpu = "core2"; |
| 548 |
else if (arch) |
| 549 |
{ |
542 |
{ |
| 550 |
if (has_sse3) |
543 |
case 0x1c: |
| 551 |
/* It is Core Duo. */ |
544 |
case 0x26: |
| 552 |
cpu = "pentium-m"; |
545 |
/* Atom. */ |
| 553 |
else if (has_sse2) |
546 |
cpu = "atom"; |
| 554 |
/* It is Pentium M. */ |
547 |
break; |
| 555 |
cpu = "pentium-m"; |
548 |
case 0x1a: |
| 556 |
else if (has_sse) |
549 |
case 0x1e: |
| 557 |
/* It is Pentium III. */ |
550 |
case 0x1f: |
| 558 |
cpu = "pentium3"; |
551 |
case 0x2e: |
| 559 |
else if (has_mmx) |
552 |
/* FIXME: Optimize for Nehalem. */ |
| 560 |
/* It is Pentium II. */ |
553 |
cpu = "core2"; |
| 561 |
cpu = "pentium2"; |
554 |
break; |
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|
555 |
case 0x25: |
| 556 |
case 0x2f: |
| 557 |
/* FIXME: Optimize for Westmere. */ |
| 558 |
cpu = "core2"; |
| 559 |
break; |
| 560 |
case 0x17: |
| 561 |
case 0x1d: |
| 562 |
/* Penryn. FIXME: -mtune=core2 is slower than -mtune=generic */ |
| 563 |
cpu = "core2"; |
| 564 |
break; |
| 565 |
case 0x0f: |
| 566 |
/* Merom. FIXME: -mtune=core2 is slower than -mtune=generic */ |
| 567 |
cpu = "core2"; |
| 568 |
break; |
| 569 |
default: |
| 570 |
if (arch) |
| 571 |
{ |
| 572 |
if (has_ssse3) |
| 573 |
/* If it is an unknown CPU with SSSE3, assume Core 2. */ |
| 574 |
cpu = "core2"; |
| 575 |
else if (has_sse3) |
| 576 |
/* It is Core Duo. */ |
| 577 |
cpu = "pentium-m"; |
| 578 |
else if (has_sse2) |
| 579 |
/* It is Pentium M. */ |
| 580 |
cpu = "pentium-m"; |
| 581 |
else if (has_sse) |
| 582 |
/* It is Pentium III. */ |
| 583 |
cpu = "pentium3"; |
| 584 |
else if (has_mmx) |
| 585 |
/* It is Pentium II. */ |
| 586 |
cpu = "pentium2"; |
| 587 |
else |
| 588 |
/* Default to Pentium Pro. */ |
| 589 |
cpu = "pentiumpro"; |
| 590 |
} |
| 562 |
else |
591 |
else |
| 563 |
/* Default to Pentium Pro. */ |
592 |
/* For -mtune, we default to -mtune=generic. */ |
| 564 |
cpu = "pentiumpro"; |
593 |
cpu = "generic"; |
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|
594 |
break; |
| 565 |
} |
595 |
} |
| 566 |
else |
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|
| 567 |
/* For -mtune, we default to -mtune=generic. */ |
| 568 |
cpu = "generic"; |
| 569 |
break; |
596 |
break; |
| 570 |
case PROCESSOR_PENTIUM4: |
597 |
case PROCESSOR_PENTIUM4: |
| 571 |
if (has_sse3) |
598 |
if (has_sse3) |
