Re: [RFA] Merge tree SSA into GCC 3.1 [patch]

[Diego Novillo <dnovillo at redhat dot com>]

On Tue, 16 Oct 2001, Richard Henderson wrote:

> On Sat, Oct 13, 2001 at 03:35:37AM -0400, Diego Novillo wrote:
> > I would like to propose including the tree SSA framework in GCC
> > 3.1.  The implementation is starting to stabilize a bit and
> > merging it into the trunk will probably accelerate development of
> > new analyses and transformations based on it.
> 
> Hmm.  Given that the only user-visible feature here is better support
> for -Wuninitialized, I think we're probably better served by delaying
> this until gcc 3.2 when we ought to have actual optimizations to go
> with it.
> 
Sure.  I've been thinking it over and it would actually be better
for me to keep it in the branch for a little while longer.  That
way, I don't really need to go through the full approval process
for every change I make to the infrastructure.

> The main infrastructure change I'd like to see in gcc 3.2 is to have
> all front ends do functions-as-trees, and remove the old rtl inliner.
> 
Agreed.  In particular I would like to see Fortran use it.  There
are several high-level transformations that should benefit
Fortran quite a bit.


Diego.