[RFC] Kill gen_sequence

Jan Hubicka jh@suse.cz
Thu Jun 6 14:10:00 GMT 2002


> "David S. Miller" <davem@redhat.com> writes:
> 
> > The idea of this patch is to eliminate usage of SEQUENCE rtl from
> > most of the compiler.  Usage remains in three areas:
> > 
> > 1) SSA.  It even hacks up the insns in the SEQUENCE array so
> >    that it's just the SETs.
> > 
> >    Maybe these bits can just be replaces with a parallel?
> 
> Why would it be using a SEQUENCE if it meant PARALLEL?

I assume the sequence is used for PHI operations. In that case I would
definitly vote to keep the linked list instead of array, since one needs
to add/remove these when modifying CFG. I guess that is the motivation
to keep SEQUENCE here.

Honza
> 
> -- 
> - Geoffrey Keating <geoffk@geoffk.org> <geoffk@redhat.com>



More information about the Gcc-patches mailing list