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: NHao Liu <hao.liu@arm.com>
Signed-off-by: NAlex Bennée <alex.bennee@linaro.org>
Reviewed-by: NClaudio Fontana <claudio.fontana@huawei.com>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Cc: qemu-stable@nongnu.org
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>