PPC: [turbofan] Introduce DeoptimizeIf And DeoptimizeUnless common operators.

PPC: [turbofan] Introduce DeoptimizeIf And DeoptimizeUnless common operators.

Port c129aa4d39364bf78d93bec8c16811bfde040a37

Original commit message:
    These macro operators represent a conditional eager deoptimization exit
    without explicit branching, which greatly reduces overhead of both
    scheduling and register allocation, and thereby greatly reduces overall
    compilation time, esp. when there are a lot of eager deoptimization
    exits.

R=bmeurer@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/e1bed4f9369164351852d0fe70c4fb1e7f78cbec
Cr-Commit-Position: refs/heads/master@{#34267}

[MTBrandyberry, 2016-02-24 18:56:42]

The CQ bit was checked by mbrandy@us.ibm.com to run a CQ dry run

[commit-bot: I haz the power, 2016-02-24 18:56:46]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1730383002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1730383002/1

[commit-bot: I haz the power, 2016-02-24 19:19:37]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-02-24 19:19:38]

Dry run: This issue passed the CQ dry run.

[JoranSiu, 2016-02-24 22:34:20]

On 2016/02/24 19:19:38, commit-bot: I haz the power wrote:
> Dry run: This issue passed the CQ dry run.

lgtm

[MTBrandyberry, 2016-02-24 22:34:52]

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

[commit-bot: I haz the power, 2016-02-24 22:35:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1730383002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1730383002/1

[commit-bot: I haz the power, 2016-02-24 22:36:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-24 22:38:26]

Description was changed from

==========
PPC: [turbofan] Introduce DeoptimizeIf And DeoptimizeUnless common operators.

Port c129aa4d39364bf78d93bec8c16811bfde040a37

Original commit message:
    These macro operators represent a conditional eager deoptimization exit
    without explicit branching, which greatly reduces overhead of both
    scheduling and register allocation, and thereby greatly reduces overall
    compilation time, esp. when there are a lot of eager deoptimization
    exits.

R=bmeurer@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=
==========

to

==========
PPC: [turbofan] Introduce DeoptimizeIf And DeoptimizeUnless common operators.

Port c129aa4d39364bf78d93bec8c16811bfde040a37

Original commit message:
    These macro operators represent a conditional eager deoptimization exit
    without explicit branching, which greatly reduces overhead of both
    scheduling and register allocation, and thereby greatly reduces overall
    compilation time, esp. when there are a lot of eager deoptimization
    exits.

R=bmeurer@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/e1bed4f9369164351852d0fe70c4fb1e7f78cbec
Cr-Commit-Position: refs/heads/master@{#34267}
==========

[commit-bot: I haz the power, 2016-02-24 22:38:27]

Patchset 1 (id:??) landed as
https://crrev.com/e1bed4f9369164351852d0fe70c4fb1e7f78cbec
Cr-Commit-Position: refs/heads/master@{#34267}