Re: History and evolution of compilers

rweaver@ix.netcom.com (Richard Weaver )
14 Oct 1997 00:33:20 -0400

          From comp.compilers

Related articles
[5 earlier articles]
Re: History and evolution of compilers mkent@acm.org (Mike Kent) (1997-10-02)
Re: History and evolution of compilers henry@zoo.toronto.edu (Henry Spencer) (1997-10-02)
Re: History and evolution of compilers ludemann@inxight.com (Peter Ludemann) (1997-10-08)
Re: History and evolution of compilers cbbrowne@hex.net (1997-10-10)
Re: History and evolution of compilers mark@hubcap.clemson.edu (1997-10-10)
Re: History and evolution of compilers norman@kbss.bt.co.uk (Norman Hilton) (1997-10-10)
Re: History and evolution of compilers rweaver@ix.netcom.com (1997-10-14)
Re: History and evolution of compilers mslamm@pluto.mscc.huji.ac.il (1997-10-14)
Re: History and evolution of compilers preston@tera.com (1997-10-16)
Re: History and evolution of compilers gray@harlequin.co.uk (1997-10-17)
Re: History and evolution of compilers mck@pobox.com (Michael McKernan) (1997-11-02)
Re: History and evolution of compilers johnrn@ibm.net (1997-11-03)
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From: rweaver@ix.netcom.com (Richard Weaver )
Newsgroups: comp.compilers
Date: 14 Oct 1997 00:33:20 -0400
Organization: Netcom
References: 97-09-130 97-10-008 97-10-017 97-10-033 97-10-049
Keywords: history
X-NETCOM-Date: Mon Oct 13 12:25:24 AM CDT 1997

>>The moderator wrote:
>>> Fortran IV did get two compilers on the 360 series, Fortran G which was
>>> fast and generated rotten code, and Fortran H which produced very good
>>> code. -John]
>>
>>As I recall, the Fortran G code wasn't "rotten"; in most cases it was
>>acceptable (maybe you're thinking about the WATFOR/WATFIV compilers).
>>Wirth's Algol-W compiler produced code of about Fortran G's quality;
>>and it ran as fast as the WATFIV compiler.
..snip


Fortran G was written by another company (I've forgotten the name) in
the POP language, for IBM. There was a technology transfer from that
company to several existing (or merged/absorbed) companies, sometimes
by people leaving the original company and founding their own company.


Should you be able to locate/identify those people, your history will
have solid lines (this came from there) as opposed to dashed lines (the
concepts used here may have been based on concepts first used there).


Good luck
Dick W
--


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