Author: Russell Reagan
Date: 22:40:45 07/09/03
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On July 09, 2003 at 13:57:06, Gerd Isenberg wrote: >I don't know the itanium2 instructions set - may be there is some "leading" zero >count or some fast int to float conversion, where you can pass a single isolated >bit as int and get the position from the float exponent. >Anyway there is still Walter Faxon's magic c-routine. Eugene Nalimov posted here in the past a routine that will run branchless in 8-9 cycles on an Itanium.
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