atomicity.h (__exchange_and_add): Add "memory" clobber to inline assembly statement.

	* config/cpu/s390/atomicity.h (__exchange_and_add): Add "memory"
	clobber to inline assembly statement.

From-SVN: r97728

libstdc++-v3/ChangeLog

+2005-04-06  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* config/cpu/s390/atomicity.h (__exchange_and_add): Add "memory"
+	clobber to inline assembly statement.
+
 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
 
 	* acinclude.m4 (_GLIBCXX_USE_LONG_LONG,

libstdc++-v3/config/cpu/s390/atomicity.h

@@ -43,7 +43,8 @@ namespace __gnu_cxx
 			  "   cs    %0,%1,0(%3)\n"
 			  "   jl    0b"
 			  : "=&d" (__old_val), "=&d" (__new_val), "=m" (*__mem)
-			  : "a" (__mem), "d" (__val), "m" (*__mem) : "cc");
+			  : "a" (__mem), "d" (__val), "m" (*__mem)
+			  : "cc", "memory");
     return __old_val;
   }