Messages in this thread | | | Date | Sat, 21 Nov 1998 22:40:03 -0600 (CST) | From | Chris Zwilling <> | Subject | Re: Intel microcode fixes [OFF-TOPIC] |
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On 21 Nov 1998, H. Peter Anvin wrote:
> Followup to: <XFMail.981120103023.simon@koala.ie> > By author: Simon Kenyon <simon@koala.ie> > In newsgroup: linux.dev.kernel > > > > i think that was a bad example to pick > > the floating point bug was (i believe) caused by crosstalk > > no amount of re-microcoding could have fixed that! > > > > No; it was improper optimization (at the logic level) of the division table. >
It left off the last three entries of the FDIV lookup array (it should have been 011 but was programmed as 000) ;)
;-----------------------------------------; ; ; Chris Zwilling ; Don't let people drive you crazy ; chris@cloudnet.com ; when you know it's in walking distance ; System Administrator ; ; 320.240.8243 ;-----------------------------------------;
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