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From: koopman@a.gp.cs.cmu.edu (Philip Koopman)
Newsgroups: comp.lang.forth
Subject: Re: Whatever Happened to the C to Forth Compiler?
Summary: It was C to RTX assembler, not Forth
Keywords: Want one, is it available?
Message-ID: <11998@pt.cs.cmu.edu>
Date: 19 Feb 91 02:13:55 GMT
References: <1991Feb18.164344.25781@cbnewse.att.com>
Organization: Carnegie-Mellon University, CS/RI
Lines: 23

In article <1991Feb18.164344.25781@cbnewse.att.com>, cwpjr@cbnewse.att.com (clyde.w.jr.phillips) writes:
> If you have info on any product including the Haris compiler I'd like it.

The C compiler has existed for a while.  As I understand it,
a reasonably usable version (1.1) will be released soon,
just before they can the remaining software developer at
Harris.

But, this is a C to RTX assembly language compiler, NOT
a C to Forth compiler.  (There is a BIG difference --
the compiler makes use of special-purpose RTX registers,
and assumes the existence of a frame pointer with 
memory-resident stack indepenent of the data stack).
And, the code quality, while 
adequate, is not great (it is a one-pass compiler that
makes no attempt to keep things on the stack for later
use).  So, I'm willing to bet that it isn't terribly
useful for general-purpose C to Forth code translation.

  Phil Koopman                koopman@greyhound.ece.cmu.edu   Internet
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