http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46590
--- Comment #30 from rguenther at suse dot de <rguenther at suse dot de> 2012-08-23 07:13:13 UTC --- On Wed, 22 Aug 2012, stevenb.gcc at gmail dot com wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46590 > > --- Comment #29 from stevenb.gcc at gmail dot com <stevenb.gcc at gmail dot > com> 2012-08-22 17:33:00 UTC --- > > I thought that loop header copying wouldn't need to insert new PHI nodes > > and thus can do with TODO_update_ssa_no_phi if we are in loop-closed SSA > > form, > > but appearantly that is not the case (I didn't inverstigate further here, > > but possibly that's just because virtual operands are not in loop-closed > > SSA form). > > I'll experiment with VOPs in LC-SSA. You might have seen the patch I posted - it passed testing and I will install it today.
