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Re: LLVM and Forth

From anton@mips.complang.tuwien.ac.at (Anton Ertl)
Newsgroups comp.lang.forth
Subject Re: LLVM and Forth
Date 2017-04-01 14:57 +0000
Organization Institut fuer Computersprachen, Technische Universitaet Wien
Message-ID <2017Apr1.165752@mips.complang.tuwien.ac.at> (permalink)
References <21153661-abf5-4958-82c7-e3c442b45cb9@googlegroups.com>

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krishna.myneni@ccreweb.org writes:
>Question: 
>
>Are there any existing Forth systems built from the LLVM tools (link below)?

AFAIK no.

> What advantages might LLVM provide for a low-level language such as Forth?

None that justify the disadvantages.

The advantages are that there LLVM has at least two targets (some ARM
architecture and some Intel architecture).

The disadvantages are:

  - It compiles slowly.

  - It's oriented towards nasal demon C, the dialect of C that's
    currently popular with C compiler maintainers.  As a consequence,

    - You have to divide your program into (the LLVM representation
      of) C functions, that call each other with C calling
      conventions.  There has been one attempt to use a different
      calling convention, but that's apparently very difficult.

    - If you lie down with dogs, you get up with fleas.  I expect that
      your compiler can easily become possessed by nasal demons (i.e.,
      compile programs differently than what you and the programmer
      intended).

- 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
   EuroForth 2016: http://www.euroforth.org/ef16/

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Thread

LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-01 06:36 -0700
  Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-01 14:57 +0000
    Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-01 11:55 -0700
      Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-02 15:24 +0000
  Re: LLVM and Forth rickman <gnuarm@gmail.com> - 2017-04-01 11:21 -0400
    Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-01 11:57 -0700
      Re: LLVM and Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-02 04:02 -0500
        Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-02 06:35 -0700
          Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-02 14:41 +0000
          Re: LLVM and Forth minforth@arcor.de - 2017-04-03 01:09 -0700
            Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-03 05:32 -0700
              Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-03 13:52 +0000
                Re: LLVM and Forth minforth@arcor.de - 2017-04-03 07:59 -0700
                Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-03 16:08 +0000
                Re: LLVM and Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-03 12:22 -0500
                Re: LLVM and Forth Paul Rubin <no.email@nospam.invalid> - 2017-04-03 20:10 -0700
                Re: LLVM and Forth minforth@arcor.de - 2017-04-03 22:19 -0700
                Re: LLVM and Forth albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-04-04 16:12 +0200
                Re: LLVM and Forth Walter Banks <walter@bytecraft.com> - 2017-04-05 17:27 -0400
            Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-03 14:29 +0000
          Re: LLVM and Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-03 03:17 -0500
            Re: LLVM and Forth minforth@arcor.de - 2017-04-03 05:04 -0700
            Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-03 12:55 +0000
              Re: LLVM and Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-03 10:08 -0500
                Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-03 17:05 +0000
                Re: LLVM and Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-04 11:29 -0500
                Re: LLVM and Forth albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-04-04 19:11 +0200
                Re: LLVM and Forth Paul Rubin <no.email@nospam.invalid> - 2017-04-04 21:29 -0700
                Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-05 15:01 +0000
                Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-05 18:42 +0100
                Re: LLVM and Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-06 04:01 -0500
                Re: LLVM and Forth Spiros Bousbouras <spibou@gmail.com> - 2017-04-06 18:48 +0000
                Re: LLVM and Forth Joel Rees <joel.rees@gmail.com> - 2017-04-06 18:42 -0700
                Re: LLVM and Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-07 04:02 -0500
                Re: LLVM and Forth Joel Rees <joel.rees@gmail.com> - 2017-04-08 21:18 -0700
                Re: LLVM and Forth Spiros Bousbouras <spibou@gmail.com> - 2017-04-08 22:43 +0000
                Re: LLVM and Forth Joel Rees <joel.rees@gmail.com> - 2017-04-08 20:54 -0700
                Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-09 14:53 +0000
                Re: LLVM and Forth Spiros Bousbouras <spibou@gmail.com> - 2017-04-10 00:38 +0000
                Re: LLVM and Forth James Kuyper <jameskuyper@verizon.net> - 2017-04-09 22:46 -0400
                Re: LLVM and Forth Robert Wessel <robertwessel2@yahoo.com> - 2017-04-09 22:27 -0500
                Re: LLVM and Forth Spiros Bousbouras <spibou@gmail.com> - 2017-04-10 12:36 +0000
                Re: LLVM and Forth Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-04-10 14:09 +0100
                Re: LLVM and Forth Spiros Bousbouras <spibou@gmail.com> - 2017-04-10 13:07 +0000
                Re: LLVM and Forth Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-04-10 16:18 +0100
                Re: LLVM and Forth "James R. Kuyper" <jameskuyper@verizon.net> - 2017-04-10 11:51 -0400
                Re: LLVM and Forth Spiros Bousbouras <spibou@gmail.com> - 2017-04-12 21:32 +0000
                Re: LLVM and Forth "James R. Kuyper" <jameskuyper@verizon.net> - 2017-04-12 18:29 -0400
                Re: LLVM and Forth hughaguilar96@gmail.com - 2017-04-12 15:29 -0700
                Re: LLVM and Forth albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-04-13 02:55 +0200
                Re: LLVM and Forth Joel Rees <joel.rees@gmail.com> - 2017-04-10 18:38 -0700
                Re: LLVM and Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-10 11:54 -0500
                Re: LLVM and Forth Paul Rubin <no.email@nospam.invalid> - 2017-04-10 10:17 -0700
              Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-03 17:02 +0100
              Re: LLVM and Forth hughaguilar96@gmail.com - 2017-04-03 10:03 -0700
            Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-04 03:25 -0700
              Re: LLVM and Forth Spiros Bousbouras <spibou@gmail.com> - 2017-04-04 11:24 +0000
                Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-04 04:55 -0700
                Re: LLVM and Forth Spiros Bousbouras <spibou@gmail.com> - 2017-04-04 12:28 +0000
                Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-04 16:16 +0000
              Re: LLVM and Forth albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-04-04 15:38 +0200
                Re: LLVM and Forth albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-04-04 16:06 +0200
                Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-04 17:57 -0700
                Re: LLVM and Forth Rod Pemberton <NeedNotReplyHere@xrsevnneqk.cem> - 2017-04-05 00:44 -0400
                Re: LLVM and Forth minforth@arcor.de - 2017-04-05 00:00 -0700
                Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-05 08:47 -0700
                Re: LLVM and Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-05 11:04 -0500
                Re: LLVM and Forth john <anon@example.com> - 2017-04-05 18:04 +0100
                Re: LLVM and Forth hughaguilar96@gmail.com - 2017-04-05 13:04 -0700
                Re: LLVM and Forth Paul Rubin <no.email@nospam.invalid> - 2017-04-05 18:20 -0700
                Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-05 20:14 -0700
                Re: LLVM and Forth Spiros Bousbouras <spibou@gmail.com> - 2017-04-06 12:33 +0000
                Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-06 10:49 -0700
                Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-06 18:55 +0100
                Re: LLVM and Forth Spiros Bousbouras <spibou@gmail.com> - 2017-04-06 20:41 +0000
                Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-06 21:47 +0100
                Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-06 21:56 +0100
                Re: LLVM and Forth Rod Pemberton <NeedNotReplyHere@xrsevnneqk.cem> - 2017-04-06 23:59 -0400
                Re: LLVM and Forth Joel Rees <joel.rees@gmail.com> - 2017-04-06 17:10 -0700
                Re: LLVM and Forth Rod Pemberton <NeedNotReplyHere@xrsevnneqk.cem> - 2017-04-07 03:33 -0400
                Re: LLVM and Forth Spiros Bousbouras <spibou@gmail.com> - 2017-04-08 22:48 +0000
                Re: LLVM and Forth Rod Pemberton <NeedNotReplyHere@xrsevnneqk.cem> - 2017-04-09 15:06 -0400
                Re: LLVM and Forth Joel Rees <joel.rees@gmail.com> - 2017-04-08 22:45 -0700
                Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-09 14:27 +0000
                Re: LLVM and Forth Joel Rees <joel.rees@gmail.com> - 2017-04-09 21:26 -0700
                Re: LLVM and Forth Rod Pemberton <NeedNotReplyHere@xrsevnneqk.cem> - 2017-04-09 13:35 -0400
                Re: LLVM and Forth Paul Rubin <no.email@nospam.invalid> - 2017-04-09 14:07 -0700
                Re: LLVM and Forth minforth@arcor.de - 2017-04-05 12:16 -0700
                Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-05 20:27 -0700
                Re: LLVM and Forth Rod Pemberton <NeedNotReplyHere@xrsevnneqk.cem> - 2017-04-06 05:24 -0400
                Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-06 03:26 -0700
                Re: LLVM and Forth minforth@arcor.de - 2017-04-06 04:05 -0700
                Re: LLVM and Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-06 06:50 -0500
                Re: LLVM and Forth Rod Pemberton <NeedNotReplyHere@xrsevnneqk.cem> - 2017-04-06 05:23 -0400
                Re: LLVM and Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-06 04:44 -0500
                Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-06 10:57 +0100
                Re: LLVM and Forth peter.m.falth@gmail.com - 2017-04-05 05:29 -0700
                Re: LLVM and Forth "Rudy Velthuis" <newsgroups@rvelthuis.de> - 2017-04-14 02:04 +0000
                Re: LLVM and Forth albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-04-15 14:03 +0200
                Re: LLVM and Forth "Rudy Velthuis" <newsgroups@rvelthuis.de> - 2017-04-16 00:44 +0000
                Re: LLVM and Forth alex@rivadpm.com - 2017-04-16 05:53 -0700
                Re: LLVM and Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-16 15:43 +0000
                Re: LLVM and Forth "Rudy Velthuis" <newsgroups@rvelthuis.de> - 2017-04-16 22:27 +0000
                Re: LLVM and Forth albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-04-18 02:45 +0200
                Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-18 18:26 +0100
                Re: LLVM and Forth albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-04-20 19:51 +0200
                Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-20 19:08 +0100
                Re: LLVM and Forth albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-04-20 20:42 +0200
                Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-20 20:29 +0100
                Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-20 20:48 +0100
                Re: LLVM and Forth "Rudy Velthuis" <newsgroups@rvelthuis.de> - 2017-04-21 11:49 +0000
          Re: LLVM and Forth Rod Pemberton <NeedNotReplyHere@xrsevnneqk.cem> - 2017-04-03 20:39 -0400
  Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-02 21:15 +0100
    Re: LLVM and Forth hughaguilar96@gmail.com - 2017-04-02 15:18 -0700
      Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-03 13:07 +0100
        Re: LLVM and Forth hughaguilar96@gmail.com - 2017-04-03 09:45 -0700
          Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-03 22:52 +0100
            Re: LLVM and Forth hughaguilar96@gmail.com - 2017-04-03 15:25 -0700
              Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-06 09:35 +0100
      Re: LLVM and Forth antispam@math.uni.wroc.pl - 2017-04-06 01:36 +0000
        Re: LLVM and Forth minforth@arcor.de - 2017-04-05 22:00 -0700
          Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-06 09:52 +0100
        Re: LLVM and Forth hughaguilar96@gmail.com - 2017-04-06 20:15 -0700
    Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-03 05:20 -0700
      Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-03 17:11 +0100
  Re: LLVM and Forth Alex <alex@rivadpm.com> - 2017-04-06 17:43 +0100
    Re: LLVM and Forth krishna.myneni@ccreweb.org - 2017-04-06 10:53 -0700

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