[ast-optimizer-branch] Simplification of Simple grammar

[Diego Novillo]

On Wed, 2002-03-27 at 10:44, Sebastian Pop wrote:
> On Wed, Mar 27, 2002 at 04:26:48PM +0100, Jan Hubicka wrote:
> > 
> > Just note that code that will "higher" loops to well behaved FOR loops
> > (like fortran DO loops do have) with iteration counter going from 0 to end
> > would help a lot to the new loop unrolling code on cfg-branch, so we will
> > not need to do so dificult analysis as old loop unrolling does.
> > 
> 
> So what about keeping FOR_STMTs and transform other loop structures into FOR_STMTs ?
> 
Yes.  Loop canonicalization is another pass we should do before loop
optimizations.  We should really flush the TODO list into a web page.


Diego.