diff options
| author | bo <bo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-10-01 09:02:08 +0000 |
|---|---|---|
| committer | bo <bo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-10-01 09:02:08 +0000 |
| commit | 903e4a93bbaba4c47265245b701cd260dfa5408e (patch) | |
| tree | 389bd16319910ee06d97fbe3bfaa98ef4c6079de /libjava/sysdep/x86-64 | |
| parent | af844b025f0ee335cafeafc2fe37994bf0fb9709 (diff) | |
| download | ppe42-gcc-903e4a93bbaba4c47265245b701cd260dfa5408e.tar.gz ppe42-gcc-903e4a93bbaba4c47265245b701cd260dfa5408e.zip | |
2002-09-30 Bo Thorsen <bo@suse.de>
* sysdep/x86-64/locks.h (compare_and_swap): Fix multilib support.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57682 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/sysdep/x86-64')
| -rw-r--r-- | libjava/sysdep/x86-64/locks.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libjava/sysdep/x86-64/locks.h b/libjava/sysdep/x86-64/locks.h index cb6be85951b..bad6de6dc6f 100644 --- a/libjava/sysdep/x86-64/locks.h +++ b/libjava/sysdep/x86-64/locks.h @@ -24,10 +24,17 @@ inline static bool compare_and_swap(volatile obj_addr_t *addr, obj_addr_t old, obj_addr_t new_val) { char result; +#ifdef __x86_64__ __asm__ __volatile__("lock; cmpxchgq %2, %0; setz %1" : "+m"(*(addr)), "=q"(result) : "r" (new_val), "a"(old) : "memory"); +#else + __asm__ __volatile__("lock; cmpxchgl %2, %0; setz %1" + : "+m"(*(addr)), "=q"(result) + : "r" (new_val), "a"(old) + : "memory"); +#endif return (bool) result; } |
