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Subject: Re: Mixing 0x88 and bitboards

Author: Bo Persson

Date: 13:54:09 06/26/02

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On June 25, 2002 at 20:00:47, Dieter Buerssner wrote:

>On June 25, 2002 at 19:46:20, Robert Hyatt wrote:
>
>>The issue is this:  how many instructions to do task x?  For bitboards, the
>>instruction count on a 32 bit machine jumps by a factor of two unless shifts
>>are being done where it goes up even further.
>
>Why should it go up further for shifts?

Because it is difficult to shift over the 32 bit boundary between two registers.

>
>Dieter

Bo Persson
bop2@telia.com



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