Article View: comp.arch
Article #13602Re: 80386 32-Bit Multiply Problems?
From: greg
Date: Mon, 13 Apr 1987 01:34
Date: Mon, 13 Apr 1987 01:34
21 lines
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1513 bytes
In article <1447@leadsv.UUCP> trimble@leadsv.UUCP (Gary Trimble) writes: >The San Jose Mercury News today reported on "errors in the intel >32-bit chip when doingg a multiply of 32-bit value with another >32-bit value". > >The article inferred that the greatest impact would be on the Compaq >company who is shipping the largest number of 80386-based equipment >currently. [..] > 1) What IS the result of this operation? can someone post > a result (pure intellectual curiosity). [..] 3) can it be easily worked-around in a compiler 0.25 * :-) [ I can see it now 'the startup routine does a multiply and sees if the result is right. If so, it arranges for the multiply emulation trap to replace the INT ops with real multiply ops, and restart them..] -- ---------------------------------------------------------------------- Greg Smith University of Toronto UUCP: ..utzoo!utcsri!greg Have vAX, will hack...
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!utgpu!utcsri!greg From: greg@utcsri.UUCP Newsgroups: comp.arch,comp.sys.intel Subject: Re: 80386 32-Bit Multiply Problems? Message-ID: <4561@utcsri.UUCP> Date: Sun, 12-Apr-87 20:34:59 EST Article-I.D.: utcsri.4561 Posted: Sun Apr 12 20:34:59 1987 Date-Received: Sun, 12-Apr-87 22:35:27 EST References: <1447@leadsv.UUCP> Reply-To: greg@utcsri.UUCP (Gregory Smith) Organization: CSRI, University of Toronto Lines: 21 Keywords: Newsworthy (Local Press) Summary: hack it, dear liza... :-)