Valid register pairs are 0/2, 1/3, 4/6, 5/7, 8/10, 9/11, 12/14, 13/15.
R1/R2 always selects the lower number, so the current checks are not
correct as e.g. 2/4 could be selected as a pair.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180927130303.12236-9-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>