[PATCH](ping) Fix PR15911, VRP for && and ||

[Richard Guenther]

On Sun, 22 Oct 2006, Richard Guenther wrote:

> On Sun, 22 Oct 2006, Diego Novillo wrote:
> 
> > Richard Guenther wrote on 10/22/06 09:57:
> > 
> > > 2006-04-25  Jeff Law  <law@redhat.com>
> > >  Richard Guenther  <rguenther@suse.de>
> > > 
> > >  PR tree-optimization/15911
> > >  * tree-vrp.c (extract_code_and_val_from_cond): New function.
> > >  (register_edge_assert_for_1): Likewise.
> > >  (register_edge_assert_for): Handle &&/&/||/| in conditionals.
> > >  (find_conditional_asserts): Adjust for new function signature.
> > >  (find_assert_locations): Likewise.
> > >  
> > Has this changed since May?
> 
> No, apart from the added documentation of a return value you noticed
> back then.
> 
> > > +       /* We cannot handle float types at all and will ICE in
> > > + 	 various ways down from compare_values.  */
> > >
> > May be not.  This comment still needs fixing.  s/We cannot/VRP does not/ 
> >  Not handling float types is done on purpose.
> 
> Yeah.
> 
> > If nothing else changed, OK with that fix.

We're ICEing building aermod.f90 from Polyhedron due to this patch -
I'm investigating.

Richard.

--
Richard Guenther <rguenther@suse.de>
Novell / SUSE Labs