X87: [turbofan] Implemented the optional Float32RoundTruncate operator.

X87: [turbofan] Implemented the optional Float32RoundTruncate operator.

  port 19741ac977ea0fae9a01fb78356cb84d546629b8 (r32301)

  original commit message:
  The Float32RoundTruncate operator rounds float32 numbers towards zero.
  The operator is currently implemented on x64, ia32, arm, and arm64.

  Additionally I added support for the float32 vrintz, vrintn, and vrinta
  instructions to the arm simulator.

BUG=

Committed: https://crrev.com/d03dc2a1355cc44835721fc6c07423bd93af39ad
Cr-Commit-Position: refs/heads/master@{#32537}

[zhengxing.li, 2015-12-03 02:43:25]

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

[Weiliang, 2015-12-03 04:39:57]

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

[Weiliang, 2015-12-03 04:39:57]

lgtm

[commit-bot: I haz the power, 2015-12-03 04:40:07]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1493213002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1493213002/1

[commit-bot: I haz the power, 2015-12-03 05:19:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-03 05:20:08]

Description was changed from

==========
X87: [turbofan] Implemented the optional Float32RoundTruncate operator.

  port 19741ac977ea0fae9a01fb78356cb84d546629b8 (r32301)

  original commit message:
  The Float32RoundTruncate operator rounds float32 numbers towards zero.
  The operator is currently implemented on x64, ia32, arm, and arm64.

  Additionally I added support for the float32 vrintz, vrintn, and vrinta
  instructions to the arm simulator.

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

to

==========
X87: [turbofan] Implemented the optional Float32RoundTruncate operator.

  port 19741ac977ea0fae9a01fb78356cb84d546629b8 (r32301)

  original commit message:
  The Float32RoundTruncate operator rounds float32 numbers towards zero.
  The operator is currently implemented on x64, ia32, arm, and arm64.

  Additionally I added support for the float32 vrintz, vrintn, and vrinta
  instructions to the arm simulator.

BUG=

Committed: https://crrev.com/d03dc2a1355cc44835721fc6c07423bd93af39ad
Cr-Commit-Position: refs/heads/master@{#32537}
==========

[commit-bot: I haz the power, 2015-12-03 05:20:09]

Patchset 1 (id:??) landed as
https://crrev.com/d03dc2a1355cc44835721fc6c07423bd93af39ad
Cr-Commit-Position: refs/heads/master@{#32537}