SSE instructions which access 16 bytes of data from the memory
requires aligned access. So we force these instructions to be
registers, since we don't have the correct memory alignment yet.

Bug: v8:9198
Change-Id: I0f654efb95da26b1adc27022747ff45c4d6c5d04
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2500934Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70815}