Add a testcase for broken x arithmetic sequences.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4681 c046a42c-6fe2-441c-8c8c-71466251a162

tests/cris/check_xarith.s

@@ -42,5 +42,31 @@
 	nop
 	fail
 1:
+
+	;; test for broken X sequence, run it several times.
+	moveq	8, $r0
+1:
+	moveq	0, $r3
+	move.d	$r0, $r1
+	andq	1, $r1
+	lslq	4, $r1
+	moveq	1, $r2
+	or.d	$r1, $r2
+	ba	2f
+	move	$r2, $ccs
+2:
+	addq	0, $r3
+	move.d	$r0, $r4
+	move.d	$r1, $r5
+	move.d	$r2, $r6
+	move.d	$r3, $r7
+	lsrq	4, $r1
+	move.d	$r1, $r8
+	xor	$r1, $r3
+	checkr3	0
+	subq	1, $r0
+	bne	1b
+	nop
+
 	pass
 	quit