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Index: libpthread/sysdeps/i386/bits/memory.h
===================================================================
RCS file: /cvsroot/hurd/hurd/libpthread/sysdeps/i386/bits/memory.h,v
retrieving revision 1.3
diff -u -p -r1.3 memory.h
--- libpthread/sysdeps/i386/bits/memory.h 1 Jul 2008 11:43:17 -0000 1.3
+++ libpthread/sysdeps/i386/bits/memory.h 2 Aug 2008 20:38:31 -0000
@@ -28,7 +28,7 @@ __memory_barrier (void)
/* Any lock'ed instruction will do. We just do a simple
increment. */
- __asm__ __volatile ("lock; incl %0" : "=m" (i) : "m" (i));
+ __asm__ __volatile ("lock; incl %0" : "=m" (i) : "m" (i) : "memory");
}
/* Prevent read reordering across this function. */
Index: libthreads/i386/cthreads.h
===================================================================
RCS file: /cvsroot/hurd/hurd/libthreads/i386/cthreads.h,v
retrieving revision 1.3
diff -u -p -r1.3 cthreads.h
--- libthreads/i386/cthreads.h 3 Mar 2007 23:57:37 -0000 1.3
+++ libthreads/i386/cthreads.h 2 Aug 2008 20:38:32 -0000
@@ -98,14 +98,14 @@ typedef volatile int spin_lock_t;
({ register int _u__ ; \
__asm__ volatile("xorl %0, %0; \n\
xchgl %0, %1" \
- : "=&r" (_u__), "=m" (*(p)) ); \
+ : "=&r" (_u__), "=m" (*(p)) :: "memory" ); \
0; })
#define spin_try_lock(p)\
(!({ boolean_t _r__; \
__asm__ volatile("movl $1, %0; \n\
xchgl %0, %1" \
- : "=&r" (_r__), "=m" (*(p)) ); \
+ : "=&r" (_r__), "=m" (*(p)) :: "memory" ); \
_r__; }))
#define cthread_sp() \
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