Don't set DAZ on x86 in non-IEEE mode.

[magumagu]

I have no idea why we were using it in the first place; it doesn't match the behavior of PPC NI flag.

[delroth]

@dolphin-emu-bot rebuild

Build failed on Android, not sure why it's shown as success :-/

[Tilka]

To summarize the discussion on IRC: The Broadway spec says non-IEEE flushes both operands and results so in theory we would need DAZ and FTZ on x86. However, it also says that you can't use double-precision operands with single instructions which is what some games seem to be doing. So if disabling DAZ helps to emulate whatever the Broadway is actually doing I'd say go for it (as long as it doesn't break anything well-defined but so far that doesn't seem to be the case, @magumagu?).

[magumagu]

Disabling DAZ definitely gets us closer to doing the right thing, and it shouldn't break anything.

[neobrain]

Welp, let's cross some fingers that you're right.. :p