Index: i386/atomicity.h
===================================================================
RCS file: /cvs/gcc/gcc/libstdc++-v3/config/cpu/i386/atomicity.h,v
retrieving revision 1.5
diff -u -d -b -w -u -p -r1.5 atomicity.h
--- i386/atomicity.h	29 Apr 2003 21:57:39 -0000	1.5
+++ i386/atomicity.h	24 May 2003 20:45:01 -0000
@@ -51,7 +51,7 @@ __exchange_and_add (volatile _Atomic_wor
 
   /* obtain the atomic exchange/add spin lock */
   do {
-    __asm__ __volatile__ ("xchgl %0,%1"
+    __asm__ __volatile__ ("xchg{l} {%0,%1|%1,%0}"
 			  : "+m" (__Atomicity_lock<0>::_S_atomicity_lock),
 			    "+r" (__tmp));
   } while (__tmp);
Index: i486/atomicity.h
===================================================================
RCS file: /cvs/gcc/gcc/libstdc++-v3/config/cpu/i486/atomicity.h,v
retrieving revision 1.2
diff -u -d -b -w -u -p -r1.2 atomicity.h
--- i486/atomicity.h	2 Jan 2003 22:48:20 -0000	1.2
+++ i486/atomicity.h	24 May 2003 20:45:01 -0000
@@ -37,7 +37,7 @@ __attribute__ ((__unused__))
 __exchange_and_add (volatile _Atomic_word *__mem, int __val)
 {
   register _Atomic_word __result;
-  __asm__ __volatile__ ("lock; xaddl %0,%1"
+  __asm__ __volatile__ ("lock; xadd{l} {%0,%1|%1,%0}"
 			: "=r" (__result), "+m" (*__mem) 
                         : "0" (__val)
                         : "memory");
@@ -48,7 +48,7 @@ static inline void
 __attribute__ ((__unused__))
 __atomic_add (volatile _Atomic_word* __mem, int __val)
 {
-  __asm__ __volatile__ ("lock; addl %1,%0"
+  __asm__ __volatile__ ("lock; add{l} {%1,%0|%0,%1}"
 			: "+m" (*__mem) : "ir" (__val) : "memory");
 }