https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64225
ktkachov at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-12-08
Ever confirmed|0 |1
--- Comment #3 from ktkachov at gcc dot gnu.org ---
(In reply to ktkachov from comment #2)
> (In reply to Bernard Ogden from comment #1)
> > Created attachment 34218 [details]
> > -v output
>
> Hmm, I get the good sequence:
> ldr d1, .LC0
> fmul d1, d0, d1
> fmul d0, d1, d0
>
> with current FSF 4.8.4, 4.9.3 and latest 5.0 with just -O1 without having to
> specify -funsafe-math-optimisations or -ffast-math
Ah wait, sorry, I misread the report. The problem is that
-funsafe-math-optimisations introduces that call to pow instead of doing the
mults.
Confirmed.