This adds the following instructions. * Modulo Signed Word (modsw) * Modulo Unsigned Word (moduw) Change-Id: Id84ff46d0114ab859bd8616d3dcf22111cf3bda2 Signed-off-by: Sandipan Das <sandipan@linux.ibm.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/40909 Reviewed-by: Boris Shingarov <shingarov@labware.com> Maintainer: Boris Shingarov <shingarov@labware.com> Tested-by: kokoro <noreply+kokoro@google.com>