Article View: comp.arch
Article #21519Re: 80486 vs. 68040 code size [really: how many regs]
From: Eric Green
Date: Fri, 02 Jun 1989 04:23
Date: Fri, 02 Jun 1989 04:23
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in article <4358@ficc.uu.net>, peter@ficc.uu.net (Peter da Silva) says:
> In article <1989May30.171335.473@utzoo.uucp>, henry@utzoo.uucp (Henry Spencer) writes:
>> Hal Hardenbergh may be the only person on Earth who's made a serious try
>> at using "small model" :-) on the 68000, but it does work.
> The Manx C compiler on the Amiga supports small model.
The Manx C compiler (on any 68K machine) supports "sort-of-small"
model. What Henry was talking about was "true" small model, where you
have 16 bit pointers. I.e. ALL data references are offset from a
register -- not just global data references -- i.e. malloc returns a
16-bit quantity.
--
Eric Lee Green P.O. Box 92191, Lafayette, LA 70509
..!{ames,decwrl,mit-eddie,osu-cis}!killer!elg (318)989-9849
"I have seen or heard 'designer of the 68000' attached to so many names that
I can only guess that the 68000 was produced by Cecil B. DeMille." -- Bcase
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!convex!killer!elg From: elg@killer.DALLAS.TX.US (Eric Green) Newsgroups: comp.arch Subject: Re: 80486 vs. 68040 code size [really: how many regs] Message-ID: <8253@killer.DALLAS.TX.US> Date: 2 Jun 89 04:23:09 GMT References: <4358@ficc.uu.net> Organization: The Unix(R) Connection, Dallas, Texas Lines: 17