arch-power: Add doubleword divide-extended instructions

This introduces 128-bit division helpers for adds the
following instructions.
  * Divide Doubleword Extended (divde[o][.])
  * Divide Doubleword Extended Unsigned (divdeu[o][.])

Change-Id: I3591d91f22df2dce74fed5147d5de2ce82a83642
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/40908
Reviewed-by: Boris Shingarov <shingarov@labware.com>
Maintainer: Boris Shingarov <shingarov@labware.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2 files changed