Overview
| Comment: | Don't use the lahf instruction. Some early AMD64 CPUs don't support it. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
0272a8686f7caa0b0653164cae6048ad |
| User & Date: | js on 2010-12-05 21:32:28 |
| Other Links: | manifest | tags |
Context
|
2010-12-06
| ||
| 13:24 | Add -[description] to OFNumber. check-in: b965dad5f8 user: js tags: trunk | |
|
2010-12-05
| ||
| 21:32 |
Don't use the lahf instruction. Some early AMD64 CPUs don't support it. check-in: 0272a8686f user: js tags: trunk | |
| 12:32 | Make subclassing OFTCPSocket easier. check-in: efa6d95aad user: js tags: trunk | |
Changes
Modified src/atomic.h from [9f0732f9a3] to [c57a56dcf7].
| ︙ | ︙ | |||
495 496 497 498 499 500 501 502 503 | } return NO; #elif defined(OF_X86_ASM) || defined(OF_AMD64_ASM) int r; __asm__ ( "lock\n\t" "cmpxchg %2, %3\n\t" | > | < < | > | | 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 | } return NO; #elif defined(OF_X86_ASM) || defined(OF_AMD64_ASM) int r; __asm__ ( "xorl %0, %0\n\t" "lock\n\t" "cmpxchg %2, %3\n\t" "jne .1\n\t" "incl %0\n" ".1:" : "=&r"(r) : "a"(o), "r"(n), "m"(*p) ); return r; #elif defined(OF_HAVE_GCC_ATOMIC_OPS) return __sync_bool_compare_and_swap(p, o, n); #elif defined(OF_HAVE_OSATOMIC) |
| ︙ | ︙ | |||
524 525 526 527 528 529 530 |
if (*p == o) {
*p = n;
return YES;
}
return NO;
#elif defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
| | > | < < | > | | 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 |
if (*p == o) {
*p = n;
return YES;
}
return NO;
#elif defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
int r;
__asm__ (
"xorl %0, %0\n\t"
"lock\n\t"
"cmpxchg %2, %3\n\t"
"jne .1\n\t"
"incl %0\n"
".1:"
: "=&r"(r)
: "a"(o), "r"(n), "m"(*p)
);
return r;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_OSATOMIC)
|
| ︙ | ︙ | |||
556 557 558 559 560 561 562 |
if (*p == o) {
*p = n;
return YES;
}
return NO;
#elif defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
| | > | < < | > | | | 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 |
if (*p == o) {
*p = n;
return YES;
}
return NO;
#elif defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
int r;
__asm__ (
"xorl %0, %0\n\t"
"lock\n\t"
"cmpxchg %2, %3\n\t"
"jne .1\n\t"
"incl %0\n"
".1:"
: "=&r"(r)
: "a"(o), "r"(n), "m"(*p)
);
return r;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicCompareAndSwapPtrBarrier(o, n, p);
#endif
}
|