Re: [Tack-devel] back-end tables, assemblers, and front-ends

[Gregory T. (t. K. <gt...@di...>]

At 2:43 PM -0400 7/19/06, David Given wrote:
>As for whether the optimiser's sufficiently smart to be able to cope with
>complex pipelines --- beats me. I haven't gone into that part of the system
>yet, and am not terribly knowledgeable about the whole topic.

What (if any) are your long term plans with ACK?

>If I were to make an educated guess, I'd suggest that anything involving
>instruction reordering would have to go into the target optimiser; judging by
>the way ncg tables work, I don't think you'd have much mileage in trying to
>come up with a table that could do it directly.

Ok.  It occurs to me that ACK was written before there was extensive pipelining in CPUs.  It also seems to me that a stack-based virtual machine isn't going to be aware of pipelining.  

>LLgen doesn't really have much of a tree, but it would certainly be
>interesting to find out whether pm works at all. It ought to, but I haven't
>actually tried it yet. (It's still under development too, alas.)
>
>As soon as I have everything working on my Linux box I need to test on SF's
>build farm.

Sounds good.  I look forward to working with the new stuff, just to have a common base to work from.

thanks,
tim

Gregory T. (tim) Kelly
Owner
Dialectronics.com

P.O. Box 606
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