X87: [turbofan] Implemented the optional Float32RoundDown operator.

X87: [turbofan] Implemented the optional Float32RoundDown operator.

  port 74434403f6d3e8a367992ce672bf112dd3955554 (r32261)

  original commit message:
  I implemented the optional Float32RoundDown operator on x64, ia32, arm,
  and arm64.

  For arm I also had to adjust the simulator.

BUG=

Committed: https://crrev.com/ed679e528067f04023c5e861a769715a8fc51e47
Cr-Commit-Position: refs/heads/master@{#32492}

[zhengxing.li, 2015-12-02 07:12:44]

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

[Weiliang, 2015-12-02 07:41:47]

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

[Weiliang, 2015-12-02 07:41:48]

lgtm

[commit-bot: I haz the power, 2015-12-02 07:41:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1490113003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1490113003/1

[commit-bot: I haz the power, 2015-12-02 08:02:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-02 08:03:26]

Description was changed from

==========
X87: [turbofan] Implemented the optional Float32RoundDown operator.

  port 74434403f6d3e8a367992ce672bf112dd3955554 (r32261)

  original commit message:
  I implemented the optional Float32RoundDown operator on x64, ia32, arm,
  and arm64.

  For arm I also had to adjust the simulator.

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

to

==========
X87: [turbofan] Implemented the optional Float32RoundDown operator.

  port 74434403f6d3e8a367992ce672bf112dd3955554 (r32261)

  original commit message:
  I implemented the optional Float32RoundDown operator on x64, ia32, arm,
  and arm64.

  For arm I also had to adjust the simulator.

BUG=

Committed: https://crrev.com/ed679e528067f04023c5e861a769715a8fc51e47
Cr-Commit-Position: refs/heads/master@{#32492}
==========

[commit-bot: I haz the power, 2015-12-02 08:03:26]

Patchset 1 (id:??) landed as
https://crrev.com/ed679e528067f04023c5e861a769715a8fc51e47
Cr-Commit-Position: refs/heads/master@{#32492}