http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54146
--- Comment #56 from rguenther at suse dot de <rguenther at suse dot de> 2012-08-21 07:55:14 UTC --- On Mon, 20 Aug 2012, steven at gcc dot gnu.org wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54146 > > Steven Bosscher <steven at gcc dot gnu.org> changed: > > What |Removed |Added > ---------------------------------------------------------------------------- > Status|NEW |RESOLVED > Resolution| |WONTFIX > > --- Comment #55 from Steven Bosscher <steven at gcc dot gnu.org> 2012-08-20 > 19:30:34 UTC --- > The remaining problem areas are all liveness calculation routines that are > essentially inherent quadratic problems: DF liveness, IRA liveness, and > out-of-SSA liveness. > > I think it would be good to deprecate the flatten attribute... It still can be useful I think, if only for creating testcases with arbitrary large functions ;)
