[turbofan] Avoid unnecessary tagging of floating point values.

[turbofan] Avoid unnecessary tagging of floating point values.

Replace ChangeFloat64ToTagged(ChangeTaggedToFloat64(x)) with x in the
SimplifiedOperatorReducer.

R=jarin@chromium.org

Committed: https://crrev.com/df5976c9f91b69b27c9e64414386916775ca7a12
Cr-Commit-Position: refs/heads/master@{#35488}

[Jarin, 2016-04-14 11:18:16]

lgtm

[Benedikt Meurer, 2016-04-14 11:18:57]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-04-14 11:19:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1883023003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1883023003/1

[commit-bot: I haz the power, 2016-04-14 11:44:06]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-14 11:45:31]

Description was changed from

==========
[turbofan] Avoid unnecessary tagging of floating point values.

Replace ChangeFloat64ToTagged(ChangeTaggedToFloat64(x)) with x in the
SimplifiedOperatorReducer.

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

to

==========
[turbofan] Avoid unnecessary tagging of floating point values.

Replace ChangeFloat64ToTagged(ChangeTaggedToFloat64(x)) with x in the
SimplifiedOperatorReducer.

R=jarin@chromium.org

Committed: https://crrev.com/df5976c9f91b69b27c9e64414386916775ca7a12
Cr-Commit-Position: refs/heads/master@{#35488}
==========

[commit-bot: I haz the power, 2016-04-14 11:45:31]

Patchset 1 (id:??) landed as
https://crrev.com/df5976c9f91b69b27c9e64414386916775ca7a12
Cr-Commit-Position: refs/heads/master@{#35488}