With just five cache registers, Liftoff can run out of memory on a
64bit shift. This CL solves this by using a parallel register move and
pinning less registers.

R=ahaas@chromium.org

Bug: chromium:894307
Change-Id: I91ed0fee00ceb452841e5d1bb10905be6702dcce
Reviewed-on: https://chromium-review.googlesource.com/c/1337580
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57552}