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Re: wip-rtl, solstice edition

From: Ludovic Courtès
Subject: Re: wip-rtl, solstice edition
Date: Fri, 29 Jun 2012 14:02:50 +0200
User-agent: Gnus/5.130005 (Ma Gnus v0.5) Emacs/24.1 (gnu/linux)


Noah Lavine <address@hidden> skribis:

> I sent another email recently about different ways to make the JITter
> understand all of the bytecode, but at the time, I thought I would
> have to parse the C definition of the VM and generate the JITter from
> that in order for it to be merged into Guile. I never got over that
> hurdle. If we are willing to generate both the VM and the JITter from
> another source, it's possible that I could revive my old JIT branch.

I think it could be beneficial in terms of hackability and maintenance
to have instructions defined as slightly abstracted s-exps.  Now, if
it’s only used to generate vm-engine.c & co., it’s probably too much
work for what it’s worth.

> However, I'm still not sure if that's the best way there. Having the
> assembler written in Scheme gives you an easier path towards
> all-Scheme native compilation, which you'd probably want for an AOT
> compiler.

Yeah, especially since it could easily be used at run-time too.


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