Especially on ia32 and x64, shifts with immediate generate much shorter
and more efficient code.

R=jkummerow@chromium.org

Bug: v8:9919
Change-Id: I33acf287d5eb6fc5c4d39a295f410557348a4f19
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1899770Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64780}