Sergey Zaharchenko wrote: > Hello Oliver! > > Fri, Apr 13, 2007 at 04:52:45PM +0200 you wrote: > > Using cmpxchg8b with a lock prefix wouldn't be a good idea > > anyway. If I remember correctly, the lock cmpxchg8b > > combination was the cause of the infamous "F00F" bug of > > old Pentium processors. It causes them to freeze. > > AFAICT the bug only manifested itself when the instruction had an > invalid register operand: > > www.intel.com/support/processors/pentium/ppiie/ : Ah, that's good then. Thanks for the clarification! Best regards Oliver -- Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M. Handelsregister: Registergericht Muenchen, HRA 74606, Geschäftsfuehrung: secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün- chen, HRB 125758, Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart FreeBSD-Dienstleistungen, -Produkte und mehr: http://www.secnetix.de/bsd "And believe me, as a C++ programmer, I don't hesitate to question the decisions of language designers. After a decent amount of C++ exposure, Python's flaws seem ridiculously small." -- Ville VainioReceived on Fri Apr 13 2007 - 14:26:24 UTC
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