Port 6f521386

Original Commit Message:

    Create a macro-assembler helper function to enable code sharing between
    Liftoff and TurboFan.

R=zhin@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
BUG=
LOG=N

Change-Id: I3e72ad3a2d7dfdd9737a5acd2416741c1d486306
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2625880Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#72069}