Loop optimizer issues

[Diego Novillo]

On Tue, 2003-07-29 at 14:20, Zdenek Dvorak wrote:
> Hello,
> 
> > > I may do the merge from mainline anyway if you insist, but imo it does
> > > not help much.
> > 
> > Well I think that if it is not too much effort, it will at least allow
> > everyone to keep all options open.  And I would expect that a merge from
> > rtlopt to tree-ssa would be much easier to review if rtlopt was at least
> > up-to-date with mainline.
> 
> actually it would be a lot of work, mostly due to hookizing the cfg.
> Since I have not done almost any changes touching cfg, merging just the
> changes into tree-ssa is trivial.  The other way would be painful imo.
>
I don't get it.  Why would it be more painful for you to merge with
mainline than tree-ssa?  After all, outside the tree optimizers,
tree-ssa and mainline are almost identical.


Diego.