[turbofan] Don't lower to NumberModulus unless the inputs are numbers.

[turbofan] Don't lower to NumberModulus unless the inputs are numbers.

The IC for modulus is usually way faster than converting the inputs to
numbers and doing a Float64Mod on them.

R=jarin@chromium.org

Committed: https://crrev.com/daba339a84c75f5edac6f60eb079b563970260b9
Cr-Commit-Position: refs/heads/master@{#28787}

[Benedikt Meurer, 2015-06-03 09:48:52]

Hey Jaro,

This is the quick fix for JSModulus. Please take a look.

Thanks,
Benedikt

[Jarin, 2015-06-03 09:52:00]

lgtm

[Benedikt Meurer, 2015-06-03 10:29:40]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2015-06-03 10:29:41]

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/1170433002/#ps20001
(title: "Fix tests.")

[commit-bot: I haz the power, 2015-06-03 10:30:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1170433002/20001

[commit-bot: I haz the power, 2015-06-03 11:24:18]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-06-03 11:24:35]

Patchset 2 (id:??) landed as
https://crrev.com/daba339a84c75f5edac6f60eb079b563970260b9
Cr-Commit-Position: refs/heads/master@{#28787}