From: Alex Bennée <alex.bennee@linaro.org>
Date: Wed, 16 Apr 2014 11:29:39 +0000 (+0100)
Subject: target-arm: A64: fix unallocated test of scalar SQXTUN
X-Git-Tag: qemu-xen-4.5.0-rc1^2~95
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=fb039011ff6ec049ee05cb1e99abe86c241c0125;p=qemu-upstream-4.5-testing.git

target-arm: A64: fix unallocated test of scalar SQXTUN

The test for the U bit was incorrectly inverted in the scalar case of SQXTUN.
This doesn't affect the vector case as the U bit is used to select XTN(2).

Reported-by: Hao Liu <hao.liu@arm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit e44a90c59697cf98e05619fbb6f77a403d347495)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---

diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c
index 9175e4879..a78036661 100644
--- a/target-arm/translate-a64.c
+++ b/target-arm/translate-a64.c
@@ -7455,7 +7455,7 @@ static void disas_simd_scalar_two_reg_misc(DisasContext *s, uint32_t insn)
         }
         break;
     case 0x12: /* SQXTUN */
-        if (u) {
+        if (!u) {
             unallocated_encoding(s);
             return;
         }