> > I see that flow no longer uses loop_depth when computing REG_N_REFS, > > > > That strikes me as wrong. Don't we want to give pseudos that are in loops > > preference over those that aren't? > On Thu, Mar 09, 2006 at 09:12:35AM +0100, Zdenek Dvorak wrote: > we have much more reliable heuristic based on profile information for > some time now.
Profile information isn't always available.