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Subject: Re: Determining location of LSB/MSB

Author: Gerd Isenberg

Date: 06:07:41 02/09/04

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On February 09, 2004 at 05:09:07, Renze Steenhuisen wrote:

>
>Hi there!
>
>does anyone know the fastest way to determine the lcoation of the Least/Most
>Significant Bit, and to clear that bit?
>
>In my case the most important platforms (at the moment) are Pentium III and IV.
>
>Thanks!

find lsb from CCC archives:

http://chessprogramming.org/cccsearch/ccc.php?art_id=265616

Walter Faxon's magic BitScan:
http://chessprogramming.org/cccsearch/ccc.php?art_id=272378

Matt Taylor's De Bruijn folding trick:
http://chessprogramming.org/cccsearch/ccc.php?art_id=305965

Gerd


>
>Renze

• Re: Determining location of LSB/MSB Bas Hamstra 07:57:15 02/10/04
  • Re: Determining location of LSB/MSB Gerd Isenberg 12:00:53 02/10/04
    • Re: Determining location of LSB/MSB Bas Hamstra 18:18:29 02/10/04
      • Re: Determining location of LSB/MSB Gerd Isenberg 22:10:31 02/10/04
  • Re: Determining location of LSB/MSB Vincent Diepeveen 08:28:48 02/10/04
    • Re: Determining location of LSB/MSB Bas Hamstra 18:35:03 02/10/04
    • Re: Determining location of LSB/MSB Bas Hamstra 18:20:57 02/10/04
    • Re: Determining location of LSB/MSB Robert Hyatt 09:45:33 02/10/04

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