Re: Quality of VAX compilers

"John Fredrickson" <jafred@verizon.net>
7 Jun 2006 23:18:28 -0400

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Quality of VAX compilers firefly@diku.dk (Peter \Firefly\Lund) (2006-06-03)
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From: "John Fredrickson" <jafred@verizon.net>
Newsgroups: comp.compilers
Date: 7 Jun 2006 23:18:28 -0400
Organization: Compilers Central
References: 06-06-009
Keywords: history, architecture

Peter,


I don't know much about the internals of the VAX compilers other than
they were all optimizing compilers that subscribed to the same calling
standard, enforced by the VMS operating system and the one
linker. That's why you could develop multiple modules of a software
system in multiple languages (VAX-BASIC, VAX-FOTRAN, VAX-COBOL, etc)
and link the object modules together into a single EXE file.


The VAX hardware and VMS Operating System were designed together and were a
beautiful system. Digital Equipment Corporation (DEC) did a good job
transitioning to Alpha and OpenVMS.


John Fredrickson


"Peter "Firefly" Lund" <firefly@diku.dk> wrote in message
>I seem to have acquired an acute fascination with the VAX architecture.


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