X87: [turbofan] Fewer gap moves for tail calls.

X87: [turbofan] Fewer gap moves for tail calls.

  port 51e992f147b0f3c3763947655844915294de10e5 (r32410)

  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.

BUG=

Committed: https://crrev.com/d0a3ad067c9a94020206a0a1b016820ab08ea7ac
Cr-Commit-Position: refs/heads/master@{#32440}

[zhengxing.li, 2015-12-01 02:40:14]

zhengxing.li@intel.com changed reviewers:
+ chunyang.dai@intel.com, danno@chromium.org, weiliang.lin@intel.com

[Weiliang, 2015-12-01 06:20:01]

The CQ bit was checked by weiliang.lin@intel.com

[Weiliang, 2015-12-01 06:20:01]

lgtm

[commit-bot: I haz the power, 2015-12-01 06:20:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1483063004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1483063004/1

[commit-bot: I haz the power, 2015-12-01 06:37:23]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-01 06:37:37]

Description was changed from

==========
X87: [turbofan] Fewer gap moves for tail calls.

  port 51e992f147b0f3c3763947655844915294de10e5 (r32410)

  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.

BUG=
==========

to

==========
X87: [turbofan] Fewer gap moves for tail calls.

  port 51e992f147b0f3c3763947655844915294de10e5 (r32410)

  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.

BUG=

Committed: https://crrev.com/d0a3ad067c9a94020206a0a1b016820ab08ea7ac
Cr-Commit-Position: refs/heads/master@{#32440}
==========

[commit-bot: I haz the power, 2015-12-01 06:37:38]

Patchset 1 (id:??) landed as
https://crrev.com/d0a3ad067c9a94020206a0a1b016820ab08ea7ac
Cr-Commit-Position: refs/heads/master@{#32440}