http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54200
--- Comment #5 from rguenther at suse dot de <rguenther at suse dot de> 2012-08-09 08:05:51 UTC --- On Wed, 8 Aug 2012, pinskia at gcc dot gnu.org wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54200 > > --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-08-08 > 15:31:09 UTC --- > The other thing which copyrename helps is register allocation as it allows out > of ssa to coalesce some ssa names which could not do before. Yes, though that's a matter of adjusting what coalescing can coalesce (which is only limited to the sets it computes conflicts for)
