Tests that pointed out error are
cctest/test-code-generator/FuzzAssembleMove and
cctest/test-multiple-return/ReturnLastValueFloat32
on big endian architecture.

Change-Id: I47eb5d3b3aeffef4531f7961e94c0ccd7dece191
Reviewed-on: https://chromium-review.googlesource.com/1078755Reviewed-by: Ivica Bogosavljevic <ivica.bogosavljevic@mips.com>
Commit-Queue: Ivica Bogosavljevic <ivica.bogosavljevic@mips.com>
Cr-Commit-Position: refs/heads/master@{#53455}