Using xxbrq we can reverse the order of indices in a
single instruction.

xxbrq is also implemented in the simulator in this CL.

Change-Id: I4744cefeec0a4e07b41fcb0d35de08ad42e55883
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2878573Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#74439}