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locks.h: Don't use in/out memory constraints.

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2004-01-16  Andrew Haley  <aph@redhat.com>

	* sysdep/x86-64/locks.h: Don't use in/out memory constraints.
	* sysdep/i386/locks.h: Likewise.

From-SVN: r75982
This commit is contained in:
Andrew Haley 2004-01-16 17:25:26 +00:00 • committed by Andrew Haley
parent b27317b552
commit a3fe7b56f3
3 changed files with 11 additions and 6 deletions
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5
libjava/ChangeLog
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@ -1,3 +1,8 @@
2004-01-16 Andrew Haley <aph@redhat.com>
* sysdep/x86-64/locks.h: Don't use in/out memory constraints.
* sysdep/i386/locks.h: Likewise.
2004-01-16 Fernando Nasser <fnasser@redhat.com>
* java/awt/EventDispatchThread.java (run): Stop running when

4
libjava/sysdep/i386/locks.h
View file

@ -25,8 +25,8 @@ compare_and_swap(volatile obj_addr_t *addr,
{
char result;
__asm__ __volatile__("lock; cmpxchgl %2, %0; setz %1"
: "+m"(*(addr)), "=q"(result)
: "r" (new_val), "a"(old)
: "=m"(*addr), "=q"(result)
: "r" (new_val), "a"(old), "m"(*addr)
: "memory");
return (bool) result;
}

8
libjava/sysdep/x86-64/locks.h
View file

@ -26,13 +26,13 @@ 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)
: "=m"(*(addr)), "=q"(result)
: "r" (new_val), "a"(old), "m"(*addr)
: "memory");
#else
__asm__ __volatile__("lock; cmpxchgl %2, %0; setz %1"
: "+m"(*(addr)), "=q"(result)
: "r" (new_val), "a"(old)
: "=m"(*(addr)), "=q"(result)
: "r" (new_val), "a"(old), "m"(*addr)
: "memory");
#endif
return (bool) result;