Out of the six masks (for 64 bit value), three can be skipped because
the values are known to be within certain bounds.

R=jkummerow@chromium.org

Bug: v8:9810
Change-Id: I50c3bf2d374b14456aa0cbec076e894f25779151
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1910110Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64916}