Path: utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!rutgers!usc!zaphod.mps.ohio-state.edu!rpi!crdgw1!crdos1!davidsen
From: davidsen@crdos1.crd.ge.COM (Wm E Davidsen Jr)
Newsgroups: comp.arch
Subject: Re: Let's pretend
Keywords: Intel, 586, windows
Message-ID: <3068@crdos1.crd.ge.COM>
Date: 19 Dec 90 15:00:56 GMT
References: <3042@crdos1.crd.ge.COM> <1990Dec18.082623.16648@kithrup.COM> <3058@crdos1.crd.ge.COM> <1990Dec19.052338.3911@kithrup.COM>
Reply-To: davidsen@crdos1.crd.ge.com (bill davidsen)
Organization: GE Corp R&D Center, Schenectady NY
Lines: 13

In article <1990Dec19.052338.3911@kithrup.COM> sef@kithrup.COM (Sean Eric Fagan) writes:
| In article <3058@crdos1.crd.ge.COM> davidsen@crdos1.crd.ge.com (bill davidsen) writes:
| >  I think we can assume that the 586 will be a superset of the 486. Can
| >someone quantify what would be gained with more registers, say R0-R7?
| 
| Yep.  Optimization.  Take a look at code produced by either gcc or msc for
| the '386 some time.  Ever hear of the message, "infinite spill"?

  I meant what I said - "quantify" rather than qualify. Yes optimization
would be better and memory accesses would be down, but how much?
-- 
bill davidsen	(davidsen@crdos1.crd.GE.COM -or- uunet!crdgw1!crdos1!davidsen)
    VMS is a text-only adventure game. If you win you can use unix.