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Re: List of simplifications we should perform
- To: dan at www dot cgsoftware dot com
- Subject: Re: List of simplifications we should perform
- From: "Kaveh R. Ghazi" <ghazi at caip dot rutgers dot edu>
- Date: Fri, 11 May 2001 17:18:06 -0400 (EDT)
- Cc: gcc at gcc dot gnu dot org
> It would be a nice beginner project, or even something for someone to
> do when bored, to keep this list somewhere, and check off what
> simplify-rtx does right now, and implement the rest in some random
> It is, after all, just math.
> Unless of course, we already do all of these, in which case, good.
> However, if we don't, it would be good to know exactly which ones we
> *don't do*, because adding simplifications to simplify_rtx is a good
> way to start to ease into dealing with RTL. It gives you a chance to
> manipulate RTL, and see direct results in your code, and it's not very
I think most of these are already done in fold-const.c on trees. How
much benefit is there in redoing all the opts on RTL? (Just curious,
I'm sure there is some benefit.)
Kaveh R. Ghazi Engagement Manager / Project Services
firstname.lastname@example.org Qwest Internet Solutions