X87: [es6] Reintroduce the instanceof operator in the backends.

X87: [es6] Reintroduce the instanceof operator in the backends.

  port 551e0aa11bf4b97f9d38c4ce0c5aac89df0a773a (r36275)

  original commit message:
  This adds back the instanceof operator support in the backends and
  introduces a @@hasInstance protector cell on the isolate that guards the
  fast path for the InstanceOfStub. This way we recover the ~10%
  regression on Octane EarleyBoyer in Crankshaft and greatly improve
  TurboFan and Ignition performance of instanceof.

BUG=

Committed: https://crrev.com/529e333258e52295325c046f4157bd033d1f7de7
Cr-Commit-Position: refs/heads/master@{#36303}

[zhengxing.li, 2016-05-18 02:50:04]

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

[zhengxing.li, 2016-05-18 02:50:05]

PTAL, thanks!

[Weiliang, 2016-05-18 04:10:12]

lgtm

[zhengxing.li, 2016-05-18 05:16:40]

The CQ bit was checked by zhengxing.li@intel.com

[commit-bot: I haz the power, 2016-05-18 05:16:51]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1991663002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1991663002/1

[commit-bot: I haz the power, 2016-05-18 05:45:19]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-18 05:45:42]

Description was changed from

==========
X87: [es6] Reintroduce the instanceof operator in the backends.

  port 551e0aa11bf4b97f9d38c4ce0c5aac89df0a773a (r36275)

  original commit message:
  This adds back the instanceof operator support in the backends and
  introduces a @@hasInstance protector cell on the isolate that guards the
  fast path for the InstanceOfStub. This way we recover the ~10%
  regression on Octane EarleyBoyer in Crankshaft and greatly improve
  TurboFan and Ignition performance of instanceof.

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

to

==========
X87: [es6] Reintroduce the instanceof operator in the backends.

  port 551e0aa11bf4b97f9d38c4ce0c5aac89df0a773a (r36275)

  original commit message:
  This adds back the instanceof operator support in the backends and
  introduces a @@hasInstance protector cell on the isolate that guards the
  fast path for the InstanceOfStub. This way we recover the ~10%
  regression on Octane EarleyBoyer in Crankshaft and greatly improve
  TurboFan and Ignition performance of instanceof.

BUG=

Committed: https://crrev.com/529e333258e52295325c046f4157bd033d1f7de7
Cr-Commit-Position: refs/heads/master@{#36303}
==========

[commit-bot: I haz the power, 2016-05-18 05:45:43]

Patchset 1 (id:??) landed as
https://crrev.com/529e333258e52295325c046f4157bd033d1f7de7
Cr-Commit-Position: refs/heads/master@{#36303}