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Subject: Re: FirstOne for Linux

Author: Robert Hyatt

Date: 14:23:58 03/29/03

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On March 29, 2003 at 09:00:22, Sune Fischer wrote:

>I'm trying to compile my program with GCC, and the assembler parts are causing
>me some problems.
>
>I couldn't find any assembler versions of FirstOne and PopCount in Crafty.
>Are the table versions in C much slower?

Did you look at X86.s?

That's where they are.

As far as popcnt goes, I think the simple loop is best, at least it is
for Crafty.





>
>I mostly need PopCount for sparsely populated boards, perhaps the C loops are OK
>for this?
>
>I would really like both 32 and 64 bit versions of FirstOne, so if someone can
>post them or point me to where I can find them it would be great.
>
>thx,
>-S.



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