On Fri, Jun 25, 2010 at 01:08:23PM +0200, Segher Boessenkool wrote:

quoted

-		stw%U0%X0 %L2,%1"
-	: "=m" (*ptep), "=m" (*((unsigned char *)ptep+4))
+		stw%U1%X1 %L2,%1"
+	: "=m<>" (*ptep), "=m<>" (*((unsigned char *)ptep+4))
 	: "r" (pte) : "memory");

This still isn't correct -- the constraint says that a byte
is written, but the insn changes a word.  Probably should just
be ptep[1] ?

Yeah.

	Jakub