The AVX versions of these instructions can take 3 operands, so we don't
need to force dst == src.

Bug: v8:9561
Change-Id: If346a05f7d599bf0d636263cafc3bc823c3b8452
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2515337Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70958}