Re: Compilers for systems programming (was: A C style compiler)

dwight@pentasoft.com (Dwight VandenBerghe)
12 May 1998 22:18:19 -0400

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Re: Compilers for systems programming (was: A C style compiler) ok@atlas.otago.ac.nz (Dr Richard A. O'Keefe) (1998-05-07)
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From: dwight@pentasoft.com (Dwight VandenBerghe)
Newsgroups: comp.compilers
Date: 12 May 1998 22:18:19 -0400
Organization: All USENET -- http://www.Supernews.com
References: 98-05-017 98-05-052
Keywords: history, practice

On 7 May 1998 17:07:53 -0400, "Dr Richard A. O'Keefe"
<ok@atlas.otago.ac.nz> wrote:


>...IBM's "systems programming" dialect of PL/I (PL/S, wasn't it?)


Yes. In the _really_ old days, at conferences sponsored by IBM,
we used to wear buttons that said


          PLeaSe!


because IBM wouldn't allow it out of the lab. It generated BAL (basic
assembler language) and interleaved the comments from the original
sources; IBM then distributed the generated BAL as their OS source to
their customers. We all wanted PL/S desperately; they never released
it, at least not by the end of my mainframe days, which was around
1978. Supposedly it was highly optimizing.


Dwight
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