[turbofan] Lower to NumberAdd / NumberSubtract if type feedback is Number.

[turbofan] Lower to NumberAdd / NumberSubtract if type feedback is Number.

If JSAdd or JSSubtract has number feedback, there's no benefit to use
the speculative versions of NumberAdd and/or NumberSubtract. Relying on
the existing operators gives us some nice truncations instead, so let's
stick to that for now.

R=jarin@chromium.org

Committed: https://crrev.com/53d92c1c6b8595632da0887e845d03882cd1ee75
Cr-Commit-Position: refs/heads/master@{#36987}

[Jarin, 2016-06-14 13:17:18]

lgtm

[Jarin, 2016-06-14 13:17:30]

The CQ bit was checked by jarin@chromium.org

[commit-bot: I haz the power, 2016-06-14 13:17:38]

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

[commit-bot: I haz the power, 2016-06-14 13:17:39]

This CL has an open dependency (Issue 2065953002 Patch 1). Please resolve the
dependency and try again.
If you are sure that there is no real dependency, please use one of the options
listed in https://goo.gl/9Es4OR to land the CL.

[Jarin, 2016-06-14 13:24:33]

The CQ bit was checked by jarin@chromium.org

[commit-bot: I haz the power, 2016-06-14 13:24:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2063073004/1

[commit-bot: I haz the power, 2016-06-14 13:42:13]

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

[commit-bot: I haz the power, 2016-06-14 13:42:14]

Try jobs failed on following builders:
  v8_win_nosnap_shared_rel_ng on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_win_nosnap_shared_rel_ng...)
  v8_win_nosnap_shared_rel_ng_triggered on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_win_nosnap_shared_rel_ng...)

[Benedikt Meurer, 2016-06-15 05:19:16]

The CQ bit was checked by bmeurer@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-06-15 05:19:23]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2063073004/20001

[Benedikt Meurer, 2016-06-15 05:42:57]

The CQ bit was unchecked by bmeurer@chromium.org

[Benedikt Meurer, 2016-06-15 05:43:12]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2016-06-15 05:43:13]

The patchset sent to the CQ was uploaded after l-g-t-m from jarin@chromium.org
Link to the patchset: https://codereview.chromium.org/2063073004/#ps20001
(title: "REBASE and fix.")

[commit-bot: I haz the power, 2016-06-15 05:43:19]

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

[commit-bot: I haz the power, 2016-06-15 05:43:20]

This CL has an open dependency (Issue 2064953004 Patch 1). Please resolve the
dependency and try again.
If you are sure that there is no real dependency, please use one of the options
listed in https://goo.gl/9Es4OR to land the CL.

[Benedikt Meurer, 2016-06-15 06:47:39]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-06-15 06:47:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2063073004/20001

[commit-bot: I haz the power, 2016-06-15 06:50:05]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-06-15 06:53:01]

Description was changed from

==========
[turbofan] Lower to NumberAdd / NumberSubtract if type feedback is Number.

If JSAdd or JSSubtract has number feedback, there's no benefit to use
the speculative versions of NumberAdd and/or NumberSubtract. Relying on
the existing operators gives us some nice truncations instead, so let's
stick to that for now.

R=jarin@chromium.org
==========

to

==========
[turbofan] Lower to NumberAdd / NumberSubtract if type feedback is Number.

If JSAdd or JSSubtract has number feedback, there's no benefit to use
the speculative versions of NumberAdd and/or NumberSubtract. Relying on
the existing operators gives us some nice truncations instead, so let's
stick to that for now.

R=jarin@chromium.org

Committed: https://crrev.com/53d92c1c6b8595632da0887e845d03882cd1ee75
Cr-Commit-Position: refs/heads/master@{#36987}
==========

[commit-bot: I haz the power, 2016-06-15 06:53:03]

Patchset 2 (id:??) landed as
https://crrev.com/53d92c1c6b8595632da0887e845d03882cd1ee75
Cr-Commit-Position: refs/heads/master@{#36987}