Author: Robert Hyatt
Date: 06:58:55 09/22/01
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On September 22, 2001 at 04:10:46, Tom Kerrigan wrote: >On September 21, 2001 at 23:03:36, Robert Hyatt wrote: > >>On September 21, 2001 at 20:42:34, Eugene Nalimov wrote: >> >>>GCC uses CMOVs. MSVC does not. So you can see yourself that CMOVs only hurts :-) >>> >>>Eugene >> >>:) I assume you mean "hurts portability among processors" and not "hurts >>speed?" :) > >Probably both, if you consider the P5 a processor that you might want to "port" >to, and the P6's brain-dead implementation of CMOV. > >-Tom I'm not sure what you mean by "brain dead". It does eliminate the branch misprediction problem nicely. The idea came from the alpha.
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