Re: Why RTL for GCC ?

dg@iesd.auc.dk (Dieter Gehrke)
17 Nov 90 13:22:41

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Related articles
Why RTL for GCC ? dlpress@hubcap.clemson.edu (1990-11-12)
Re: Why RTL for GCC ? mike@acc.stolaf.edu (1990-11-14)
Re: Why RTL for GCC ? mike@vlsivie.tuwien.ac.at (Michael K. Gschwind) (1990-11-15)
Re: Why RTL for GCC ? dg@iesd.auc.dk (1990-11-17)
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Newsgroups: comp.compilers,gnu.gcc.help
From: dg@iesd.auc.dk (Dieter Gehrke)
In-Reply-To: mike@vlsivie.tuwien.ac.at's message of 15 Nov 90 14:01:10 GMT
Organization: Mathematics and Computer Science, University of Aalborg
References: <11535@hubcap.clemson.edu> <9011151401.AA16023@tuvie.tuwien.ac.at>
Date: 17 Nov 90 13:22:41

In article <9011151401.AA16023@tuvie.tuwien.ac.at> mike@vlsivie.tuwien.ac.at (Michael K. Gschwind) writes:


> I think GCC was NOT derived from a compiler, but from a machine code
> optimizer written at the U. of Arizona. It's more natural to map machine
> instructions to RTL than quads.


Maybe so, but have you tried to map Transputer machine code to RTL?
The transputer is a stack machine, RTL is intended for register
machines.


-Dieter Gehrke (dg@iesd.auc.dk)
[How much optimization can one do for a stack machine anyway? There's no
obvious place to stash common subexpressions. -John]
--

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