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Re: [tree-ssa] Work around for an unfortunate fold-const vs.tree-optimizer interaction
- From: Andrew MacLeod <amacleod at redhat dot com>
- To: Richard Henderson <rth at redhat dot com>
- Cc: Diego Novillo <dnovillo at redhat dot com>, gcc mailing list <gcc at gcc dot gnu dot org>
- Date: 10 Nov 2003 17:44:56 -0500
- Subject: Re: [tree-ssa] Work around for an unfortunate fold-const vs.tree-optimizer interaction
- References: <Pine.LNX.4.44.0311061149050.12964-100000@www.eyesopen.com><87vfpxcink.fsf@egil.codesourcery.com> <1068154239.7012.40.camel@p4><1068499376.3247.3.camel@frodo.toronto.redhat.com> <20031110223918.GA26708@redhat.com>
On Mon, 2003-11-10 at 17:39, Richard Henderson wrote:
> On Mon, Nov 10, 2003 at 04:22:56PM -0500, Diego Novillo wrote:
> > This would be a big change, for sure, but since all the data flow
> > information is there...
>
> Except it's not. You have no idea how the backend is going to
> expand stuff. And, more's the point, there's a reason why rtl
> ssa turned out to be so hard.
>
Yeah, lets just leave everything seperate and let the expanders deal
with GENERIC...
Andrew