Messages in this thread | | | Date | Wed, 3 Jan 2007 12:44:10 +0000 | From | Alan <> | Subject | Re: kernel + gcc 4.1 = several problems |
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> > fixed. At that point an i686 kernel would contain i686 instructions and > > actually run on all i686 processors ending all the i586 pain for most > > users and distributions. > > Could you explain why CMOV is pointless now? Are there any benchmarks > proving that?
Take a look at the recent ffmpeg bits on the mplayer list for one example I have to hand - P4 cmov is pretty slow. The crypto folks find the same things.
Alan
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