[putting the pxor after the loop helps performance, but makes the fn bigger
peter@cordes.ca**20080315060359] {
hunk ./rshift.asm 135
-	C seems to make no diff where we put pxor, so move it to function start if that helps alignment
-	pxor	%xmm6, %xmm6		C we need this for later, in L(out).
hunk ./rshift.asm 173
+	C seems to make no diff where we put pxor, so move it to function start if that helps alignment
+	pxor	%xmm6, %xmm6		C we need this for later, in L(out).
}