Count Leading Zeros (cntlzw)

From: "Kostas" <kostast@xxxxxxxx>
Date: Mon, 29 Aug 2005 13:42:54 +0300

I wanted to use this function -which is part of the PowerPC assembly
language- in a x86 architecture (prefered an Athlon).
This function calculates the leading zeros of a word.
I need this function to be really fast, so i thought to ask the basm group
:)

How should it be best implemented in order to be best optimised?

Thanks in advance
Kostas

.

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Re: Count Leading Zeros (cntlzw)
... Kostas wrote: ... language- in a x86 architecture (prefered an Athlon). ... This function calculates the leading zeros of a word. ...
(borland.public.delphi.language.basm)
Re: Count Leading Zeros (cntlzw)
... > language- in a x86 architecture (prefered an Athlon). ... Reverse) functions ... Prev by Date: ...
(borland.public.delphi.language.basm)
Re: Count Leading Zeros (cntlzw)
... language- in a x86 architecture (prefered an Athlon). ... This function calculates the leading zeros of a word. ... mov cx,15 bsr ax,ax sub cx,ax mov ax,cx ...
(borland.public.delphi.language.basm)
Re: Count Leading Zeros (cntlzw)
... Kostas ... > language- in a x86 architecture (prefered an Athlon). ... Prev by Date: ...
(borland.public.delphi.language.basm)