A new patch for floating point conditional mov on PPo

[H.J. Lu]

> 
> It's also not clear to me why you require a HI mode scratch register
> when it appears that output_int_test_compare_fcmov only uses it in
> QI mode.
> 

But the FP comparison needs a HI mode scratch register. It may be
easier to do the same for int comparison. I don't think HI or
QI will make a difference for register pressure.

-- 
H.J. Lu (hjl@gnu.org)