Re: Any new instructions in a i486?

Article View: comp.arch

Article #10733

#10733

From: Rick Kelly
Date: Mon, 21 Dec 1992 05:32

34 lines
1865 bytes

In article <WAYNE.92Dec20171036@backbone.uucp> wayne@backbone.uucp (Wayne Schlitt) writes:
>In article <9212200017.12@rmkhome.UUCP> rmk@rmkhome.UUCP (Rick Kelly) writes:
>
>< >(somebody)> NeXTStep is said to not run on the Cyrix 486 chips because
>< >(somebody)> "they are not real 486's".  No one has come up with a
>< >(somebody)> reliable reason _why_ NeXT doesn't think they are "real
>< >(somebody)> 486's" or why NeXTStep won't run on them.
>< >
>< >FUD, FUD. Ah Intel, Intel. :-)
>< 
>< 
>< I don't see where this has anything to do with Intel.  Cyrix decided that
>< they could make some money by cloning a best selling CPU chip.  Obviously,
>< they have missed something.  
>
>
>Well, from the info that has been posted so far, it looks more and
>more like it is NeXT that screwed something up and doesn't care about
>fixing it.  Chances are NeXTStep won't run on the Pentium either if it
>is that fragile.


Except they will fix any Pentium problems quickly.

Someone needs to drag out the logic analyzers.

Does GCC, which NeXT uses, have a "-i486" flag that causes some wierd
code optimization, or is this just my imagination?

NeXTStep for Intel seems to be the only dedicated 486 package around.

-- 

Rick Kelly	rmk@rmkhome.UUCP	unixland!rmkhome!rmk	rmk@frog.UUCP

Technical Details

Message-ID: <9212210032.13@rmkhome.UUCP>

Path:

arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!magnus.acs.ohio-state.edu!usenet.ins.cwru.edu!agate!linus!alliant!merk!rmkhome!rmk

References: <PCG.92Dec19162224@decb.aber.ac.uk> <9212200017.12@rmkhome.UUCP> <WAYNE.92Dec20171036@backbone.uucp>

Show Full Headers

Complete Article Headers

Newsgroups: comp.arch
Subject: Re: Any new instructions in a i486?
Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!magnus.acs.ohio-state.edu!usenet.ins.cwru.edu!agate!linus!alliant!merk!rmkhome!rmk
From: rmk@rmkhome.UUCP (Rick Kelly)
Organization: The Man With Ten Cats
Date: Mon, 21 Dec 1992 05:32:09 GMT
Reply-To: rmk@rmkhome.UUCP (Rick Kelly)
Message-ID: <9212210032.13@rmkhome.UUCP>
References: <PCG.92Dec19162224@decb.aber.ac.uk> <9212200017.12@rmkhome.UUCP> <WAYNE.92Dec20171036@backbone.uucp>
Lines: 34

Reply to Parent Message