These tests fail since instructions were implemented in Liftoff.
Problem was with NaN cases, where additional job has to be done on
MIPS r2, r1 and Longsoon.

Change-Id: Id02462aa08e79b03d66b5083b81f19dc1c88cc3e
Reviewed-on: https://chromium-review.googlesource.com/1015001Reviewed-by: Ivica Bogosavljevic <ivica.bogosavljevic@mips.com>
Commit-Queue: Ivica Bogosavljevic <ivica.bogosavljevic@mips.com>
Cr-Commit-Position: refs/heads/master@{#52647}