[turbofan] Add support for %_MaxSmi and %_TypedArrayMaxSizeInHeap.

[turbofan] Add support for %_MaxSmi and %_TypedArrayMaxSizeInHeap.

These intrinsics are heavily used in typedarray.js and are part of the
reason why the typed array constructors are more than twice as slow in
TurboFan compared to Crankshaft.

R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2684193003
Cr-Commit-Position: refs/heads/master@{#43063}
Committed: https://chromium.googlesource.com/v8/v8/+/f68267aa276753b046439bd9f6e84dbe7d752b20

[Benedikt Meurer, 2017-02-09 12:24:44]

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

[commit-bot: I haz the power, 2017-02-09 12:24:51]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-02-09 12:50:46]

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

[commit-bot: I haz the power, 2017-02-09 12:50:47]

Dry run: This issue passed the CQ dry run.

[Jarin, 2017-02-09 14:23:15]

lgtm

https://codereview.chromium.org/2684193003/diff/1/src/compiler/js-intrinsic-l...
File src/compiler/js-intrinsic-lowering.h (right):

https://codereview.chromium.org/2684193003/diff/1/src/compiler/js-intrinsic-l...
src/compiler/js-intrinsic-lowering.h:65: // converted to proper
CodeStubAssembler based builtins.
Now I am wondering what Maps and Sets have to do with this.

[Benedikt Meurer, 2017-02-09 14:43:56]

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

[commit-bot: I haz the power, 2017-02-09 14:44:01]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Benedikt Meurer, 2017-02-09 14:44:07]

The CQ bit was unchecked by bmeurer@chromium.org

[Benedikt Meurer, 2017-02-09 14:44:10]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2017-02-09 14:44:10]

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/2684193003/#ps20001
(title: "Fix comment.")

[commit-bot: I haz the power, 2017-02-09 14:44:13]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-02-09 15:24:26]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1486651450117830,
"parent_rev": "b798b5212a0d16a910e2224bb3aa7b4b23f983f2", "commit_rev":
"f68267aa276753b046439bd9f6e84dbe7d752b20"}

[commit-bot: I haz the power, 2017-02-09 15:24:30]

Description was changed from

==========
[turbofan] Add support for %_MaxSmi and %_TypedArrayMaxSizeInHeap.

These intrinsics are heavily used in typedarray.js and are part of the
reason why the typed array constructors are more than twice as slow in
TurboFan compared to Crankshaft.

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

to

==========
[turbofan] Add support for %_MaxSmi and %_TypedArrayMaxSizeInHeap.

These intrinsics are heavily used in typedarray.js and are part of the
reason why the typed array constructors are more than twice as slow in
TurboFan compared to Crankshaft.

R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2684193003
Cr-Commit-Position: refs/heads/master@{#43063}
Committed:
https://chromium.googlesource.com/v8/v8/+/f68267aa276753b046439bd9f6e84dbe7d7...
==========

[commit-bot: I haz the power, 2017-02-09 15:24:31]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/v8/v8/+/f68267aa276753b046439bd9f6e84dbe7d7...