[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>
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