Port 51e992f1

Original commit message:
    Restore frame pointer directly from stack rather than copying it and
    restoring. Also restore return address register directly on platforms that
    support it.

R=danno@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=v8:4076
LOG=n

Review URL: https://codereview.chromium.org/1490563002

Cr-Commit-Position: refs/heads/master@{#32422}