Adds support for the bextr/shlx/sarx/shrx instructions

Change-Id: Iba7ccdf43847acdff7360926611adbcc5e66df96
Reviewed-on: https://chromium-review.googlesource.com/806364
Reviewed-by: Chris Hamilton <chrisha@chromium.org>
Commit-Queue: S├ębastien Marchand <sebmarchand@chromium.org>
2 files changed