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From: Eyal Ben-Avraham <eyal@dsp.co.il>
Subject: Re: Ada and Automotive Industry
Date: 1996/11/28
Message-ID: <57jh0l$k1p@news.NetVision.net.il>#1/1
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references: <b127cc$f381c.17e@marius> <5743un$muj@news.nyu.edu>
 <57airn$7d0@olcs.olcs.com> <57cvl3$uqc@news.nyu.edu>
to: kenner@lab.ultra.nyu.edu
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Date: 1996-11-28T00:00:00+00:00
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Hi,

kenner@lab.ultra.nyu.edu (Richard Kenner) wrote:
>In article <57airn$7d0@olcs.olcs.com> otto@olcs.com (Otto Lind) writes:
>>"somewhat tricky"?  I challenge you or anyone else to do a port of gcc to
>>a processor with an extremely small register set without having to
>>substantially modify the generic code in the reload modules.  If you know
>>of any gcc port which supports a processor which has one accumulator and
>>two (or one) index registers, I would be interested in seeing it.
>
>The DSP1610 is fairly much like that.

I agree with Otto Lind. Alltough gcc's RTL, optimization passes, and local/
global register allocation are great. The reload phase is inadequate
for accumulatr based machines (the
SMALL_REGISTER_CLASSES/CLASS_LIKELY_SPILLED_P
macros are not enough).

Eyal.