PPC: [turbofan] Fewer gap moves for tail calls

PPC: [turbofan] Fewer gap moves for tail calls

Port 51e992f147b0f3c3763947655844915294de10e5

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

Committed: https://crrev.com/e53f736dd6789341d4436a136d0f1b70e814d844
Cr-Commit-Position: refs/heads/master@{#32422}

[michael_dawson, 2015-11-30 21:35:05]

On 2015/11/30 21:06:57, mtbrandyberry wrote:

lgtm

[MTBrandyberry, 2015-11-30 22:12:51]

The CQ bit was checked by mbrandy@us.ibm.com

[commit-bot: I haz the power, 2015-11-30 22:12:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1490563002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1490563002/1

[commit-bot: I haz the power, 2015-11-30 22:33:24]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-30 22:33:39]

Description was changed from

==========
PPC: [turbofan] Fewer gap moves for tail calls

Port 51e992f147b0f3c3763947655844915294de10e5

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
==========

to

==========
PPC: [turbofan] Fewer gap moves for tail calls

Port 51e992f147b0f3c3763947655844915294de10e5

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

Committed: https://crrev.com/e53f736dd6789341d4436a136d0f1b70e814d844
Cr-Commit-Position: refs/heads/master@{#32422}
==========

[commit-bot: I haz the power, 2015-11-30 22:33:40]

Patchset 1 (id:??) landed as
https://crrev.com/e53f736dd6789341d4436a136d0f1b70e814d844
Cr-Commit-Position: refs/heads/master@{#32422}