Mark the yes/no result of comparisons as int or uint instead of float.
Mark the dx9 address register as integer instead of float.

Reduces  float<->int conversions.
Fix checking for MOVC with a single-component conditional

Did not affect correctness, but caused more if statements to be
generated than necessary. Improves tests\ps3\fxaa and
tests\ps3\ParallaxOcclusionMapping.