Add a testcase for broken x arithmetic sequences.

[qemu] / tests / cris / check_xarith.s

diff --git a/tests/cris/check_xarith.s b/tests/cris/check_xarith.s
index d0356ab..80038b2 100644 (file)
--- a/tests/cris/check_xarith.s
+++ b/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