Overview
| Comment: | atomic.h: Work around a bug in GCC's inline asm. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
932bc09a315368709b3cf0f81af2d19b |
| User & Date: | js on 2012-07-10 22:39:51 |
| Other Links: | manifest | tags |
Context
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2012-07-11
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| 08:30 | exception.m: Fix a missing free. check-in: cc68082389 user: js tags: trunk | |
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2012-07-10
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| 22:39 | atomic.h: Work around a bug in GCC's inline asm. check-in: 932bc09a31 user: js tags: trunk | |
| 22:01 | New platforms list. check-in: 1d67417011 user: js tags: trunk | |
Changes
Modified PLATFORMS.md from [2ef92fe7db] to [83bcf0c182].
1 2 3 4 5 6 7 8 9 10 11 | Platforms ========= ObjFW is known to work on the following platforms, but should run on many others as well. Linux ----- * Architectures: x86, x86_64 | | | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | Platforms ========= ObjFW is known to work on the following platforms, but should run on many others as well. Linux ----- * Architectures: x86, x86_64 * Compilers: Clang 3.0-3.1, GCC 4.7.1 * Runtimes: ObjFW MacOS X ------- * OS versions: 10.7 |
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Modified src/atomic.h from [fe9035342d] to [cfff404a91].
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637 638 639 640 641 642 643 | __asm__ ( "xorl %0, %0\n\t" "lock\n\t" "cmpxchg %2, %3\n\t" "sete %b0\n\t" "movzbl %b0, %0" | | | 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 | __asm__ ( "xorl %0, %0\n\t" "lock\n\t" "cmpxchg %2, %3\n\t" "sete %b0\n\t" "movzbl %b0, %0" : "=&d"(r) /* use d instead of r due to gcc bug */ : "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) |
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668 669 670 671 672 673 674 | __asm__ ( "xorl %0, %0\n\t" "lock\n\t" "cmpxchg %2, %3\n\t" "sete %b0\n\t" "movzbl %b0, %0" | | | 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 | __asm__ ( "xorl %0, %0\n\t" "lock\n\t" "cmpxchg %2, %3\n\t" "sete %b0\n\t" "movzbl %b0, %0" : "=&d"(r) /* use d instead of r due to gcc bug */ : "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) |
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699 700 701 702 703 704 705 | __asm__ ( "xorl %0, %0\n\t" "lock\n\t" "cmpxchg %2, %3\n\t" "sete %b0\n\t" "movzbl %b0, %0" | | | 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 | __asm__ ( "xorl %0, %0\n\t" "lock\n\t" "cmpxchg %2, %3\n\t" "sete %b0\n\t" "movzbl %b0, %0" : "=&d"(r) /* use d instead of r due to gcc bug */ : "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 } |