On Thu, 2005-02-24 at 22:28 +0100, Steven Bosscher wrote: > On Thursday 24 February 2005 21:59, Andrew Pinski wrote: > > On Feb 24, 2005, at 3:55 PM, Tarun Kawatra wrote: > > > Actually I am trying to extend PRE implementation so that it performs > > > strength reduction as well. it requires multiplication expressions to > > > get into hash table. > > > > Why do you want to do that? > > Strength reduction is done already in loop.c. > > First, that's a different kind of strength reduction. Second, > we'd like to blow away loop.c so replacing it would not be a > bad thing ;-) But the kind of strength reduction PRE can do > is something different. Didn't Dan already have patches for > that in the old tree SSAPRE, and some ideas on how to do it > in GVN-PRE?
yes and yes. :)
