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Re: SSA usage question
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
- Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Mon, 07 Jun 2004 13:00:09 -0400
- Subject: Re: SSA usage question
- Organization: Red Hat Canada
- References: <10406071654.AA11190@vlsi1.ultra.nyu.edu>
On Mon, 2004-06-07 at 12:54, Richard Kenner wrote:
> > But it can be constant. Is it worth filling in these fields even in
> > the constant case?
>
> Yes, we do need the information. If the constants come from something
> like:
>
> x = 3
> v = 8
> ... a[i,x,v]
>
> No, I meant the usual case where TYPE_MIN_VALUE is integer_zero_node.
> Should this be copied into the ARRAY_REF too?
>
Yes. We already need to expose these things as part of the IL. Might
as well be consistent.
Diego.