https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70777
--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> --- On Mon, 25 Apr 2016, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70777 > > Jakub Jelinek <jakub at gcc dot gnu.org> changed: > > What |Removed |Added > ---------------------------------------------------------------------------- > CC| |jakub at gcc dot gnu.org > > --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- > Well, we could also optimize pow (x, 2) to x * x at expansion time. We did in the past but removed that "feature". We could also canonicalize to POWI instead (not losing the fact x * x didn't set errno, etc.).
