Implementations are added to macro-assembler to be shared between
liftoff and code generator.

Change-Id: I945e312b45d87e021ffd64948bdfd69d0642fb83
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3387608Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#78630}