Re: PAF: a Portable Assembly Language

From	anton@mips.complang.tuwien.ac.at (Anton Ertl)
Newsgroups	comp.lang.forth
Subject	Re: PAF: a Portable Assembly Language
Date	2015-01-26 12:01 +0000
Organization	Institut fuer Computersprachen, Technische Universitaet Wien
Message-ID	<2015Jan26.130141@mips.complang.tuwien.ac.at> (permalink)
References	<6fb13d8a-5d8e-44fe-a28e-a7d4a6e9eab6@googlegroups.com> <2015Jan25.160222@mips.complang.tuwien.ac.at> <afc57416-b5a3-47f5-8714-0542654373e4@googlegroups.com>

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Aliaksei Chapyzhenka <alex.drom@gmail.com> writes:
>> Not sure what you have in mind with "PAF wordlist"; implementing PAF
>> on top of Forth is mostly trivial (it is mostly Forth, after all), but
>>=20
>> 1) There are a few features that would be quite a bit of work: ABI
>> definitions and ABI calls, labels and gotos.
>>=20
>> 2) The entire point of PAF is to get rid of separate stacks and
>> separate stack pointers, to allow to put all stack items in registers
>> that fit, and use a common stack for the spilled stack items.
>> Implementing PAF on top of a conventional Forth would not achieve that
>> objective.
>
>Most assemblers that I know have fixed set of mnemonics and optionally a ma=
>cro-instruction facility. So some other compiler would have a clear target.=
> I was thinking that it worth maintaining a clear core list of words that e=
>very PAF back-end would know; end every high level language compiler can ta=
>rget.

Certainly, once PAF is implemented, it will have a fixed set of words,
and a macro facility derived from Forth.  But for now it's not
completely specified, and casting a specification in stone before
implementing it would be a bad idea: it's too easy to overlook
something important.

- anton
-- 
M. Anton Ertl  http://www.complang.tuwien.ac.at/anton/home.html
comp.lang.forth FAQs: http://www.complang.tuwien.ac.at/forth/faq/toc.html
     New standard: http://www.forth200x.org/forth200x.html
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Thread

PAF: a Portable Assembly Language Aliaksei Chapyzhenka <alex.drom@gmail.com> - 2015-01-23 10:01 -0800
  Re: PAF: a Portable Assembly Language hughaguilar96@gmail.com - 2015-01-23 20:26 -0800
    Re: PAF: a Portable Assembly Language Paul E Bennett <Paul_E.Bennett@topmail.co.uk> - 2015-01-24 13:48 +0000
      Re: PAF: a Portable Assembly Language Aliaksei Chapyzhenka <alex.drom@gmail.com> - 2015-01-24 11:42 -0800
        Re: PAF: a Portable Assembly Language anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-01-25 15:26 +0000
          Re: PAF: a Portable Assembly Language Aliaksei Chapyzhenka <alex.drom@gmail.com> - 2015-01-25 11:57 -0800
          Re: PAF: a Portable Assembly Language Paul E Bennett <Paul_E.Bennett@topmail.co.uk> - 2015-01-26 10:42 +0000
  Re: PAF: a Portable Assembly Language anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-01-25 15:02 +0000
    Re: PAF: a Portable Assembly Language Aliaksei Chapyzhenka <alex.drom@gmail.com> - 2015-01-25 11:49 -0800
      Re: PAF: a Portable Assembly Language anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-01-26 12:01 +0000
        Re: PAF: a Portable Assembly Language Aliaksei Chapyzhenka <alex.drom@gmail.com> - 2015-01-27 15:33 -0800
          Re: PAF: a Portable Assembly Language anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-01-30 15:37 +0000
    Re: PAF: a Portable Assembly Language Aliaksei Chapyzhenka <alex.drom@gmail.com> - 2015-01-25 11:54 -0800
    Re: PAF: a Portable Assembly Language hughaguilar96@gmail.com - 2015-01-25 20:54 -0800
      Re: PAF: a Portable Assembly Language anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-01-26 12:21 +0000
        Re: PAF: a Portable Assembly Language hughaguilar96@gmail.com - 2015-01-26 16:21 -0800
    Re: PAF: a Portable Assembly Language Aliaksei Chapyzhenka <alex.drom@gmail.com> - 2015-01-25 23:44 -0800
      Re: PAF: a Portable Assembly Language anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-01-26 12:25 +0000

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