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| author | Bryce McKinlay <bryce@waitaki.otago.ac.nz> | 2002-01-25 02:53:37 +0000 |
|---|---|---|
| committer | Bryce McKinlay <bryce@gcc.gnu.org> | 2002-01-25 02:53:37 +0000 |
| commit | 9fa5237cb7f4a63d9e98ba3db252531e35331872 (patch) | |
| tree | 7e945f1c5b17338b0ca5702853d57c8c99c75d75 /libjava | |
| parent | 6b016bf43679d66a235fbcf5b39b672732c19ac4 (diff) | |
| download | gcc-9fa5237cb7f4a63d9e98ba3db252531e35331872.zip gcc-9fa5237cb7f4a63d9e98ba3db252531e35331872.tar.gz gcc-9fa5237cb7f4a63d9e98ba3db252531e35331872.tar.bz2 | |
natObject.cc (X86 compare_and_swap): Use +m constraint.
2002-01-25 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
* java/lang/natObject.cc (X86 compare_and_swap): Use +m constraint.
From-SVN: r49198
Diffstat (limited to 'libjava')
| -rw-r--r-- | libjava/ChangeLog | 4 | ||||
| -rw-r--r-- | libjava/java/lang/natObject.cc | 5 |
2 files changed, 7 insertions, 2 deletions
diff --git a/libjava/ChangeLog b/libjava/ChangeLog index 7db8af5..8cef7e7 100644 --- a/libjava/ChangeLog +++ b/libjava/ChangeLog @@ -1,3 +1,7 @@ +2002-01-25 Bryce McKinlay <bryce@waitaki.otago.ac.nz> + + * java/lang/natObject.cc (X86 compare_and_swap): Use +m constraint. + 2002-01-24 Per Bothner <per@bothner.com> * verify.cc (is_assignable_from_slow): If target is an interface, diff --git a/libjava/java/lang/natObject.cc b/libjava/java/lang/natObject.cc index 816268c..bf38433 100644 --- a/libjava/java/lang/natObject.cc +++ b/libjava/java/lang/natObject.cc @@ -327,8 +327,9 @@ typedef size_t obj_addr_t; /* Integer type big enough for object */ { char result; __asm__ __volatile__("lock; cmpxchgl %2, %0; setz %1" - : "=m"(*(addr)), "=q"(result) - : "r" (new_val), "0"(*(addr)), "a"(old) : "memory"); + : "+m"(*(addr)), "=q"(result) + : "r" (new_val), "a"(old) + : "memory"); return (bool) result; } |