PPC: [turbofan] Fixed the second return value of TryTruncateFloatXXToUint64.

PPC: [turbofan] Fixed the second return value of TryTruncateFloatXXToUint64.

Port 0794c3c9b9a05b4fa95df2f7ec68d17e2b012611

Original commit message:
    As required by the spec, the second return value now returns success
    also for the range between 0 and -1 where the conversion results in 0.

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

Committed: https://crrev.com/98cf73104fedcbf21bb00a7ee4a99bf7871e18e2
Cr-Commit-Position: refs/heads/master@{#32972}

[MTBrandyberry, 2015-12-18 16:38:37]

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

[commit-bot: I haz the power, 2015-12-18 16:38:44]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1538893002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1538893002/1

[JoranSiu, 2015-12-18 17:46:42]

On 2015/12/18 16:38:45, mtbrandyberry wrote:

lgtm

[commit-bot: I haz the power, 2015-12-18 18:33:06]

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

[commit-bot: I haz the power, 2015-12-18 18:33:09]

Dry run: This issue passed the CQ dry run.

[MTBrandyberry, 2015-12-18 19:13:36]

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

[commit-bot: I haz the power, 2015-12-18 19:13:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1538893002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1538893002/1

[commit-bot: I haz the power, 2015-12-18 19:14:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-18 19:15:06]

Description was changed from

==========
PPC: [turbofan] Fixed the second return value of TryTruncateFloatXXToUint64.

Port 0794c3c9b9a05b4fa95df2f7ec68d17e2b012611

Original commit message:
    As required by the spec, the second return value now returns success
    also for the range between 0 and -1 where the conversion results in 0.

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

to

==========
PPC: [turbofan] Fixed the second return value of TryTruncateFloatXXToUint64.

Port 0794c3c9b9a05b4fa95df2f7ec68d17e2b012611

Original commit message:
    As required by the spec, the second return value now returns success
    also for the range between 0 and -1 where the conversion results in 0.

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

Committed: https://crrev.com/98cf73104fedcbf21bb00a7ee4a99bf7871e18e2
Cr-Commit-Position: refs/heads/master@{#32972}
==========

[commit-bot: I haz the power, 2015-12-18 19:15:07]

Patchset 1 (id:??) landed as
https://crrev.com/98cf73104fedcbf21bb00a7ee4a99bf7871e18e2
Cr-Commit-Position: refs/heads/master@{#32972}