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Subject: Re: 64-bit processors

Author: leonid

Date: 12:45:19 01/19/01

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On January 15, 2001 at 20:15:17, Ralf Elvsén wrote:

>I looked ay the instruction set for the Itanium processor.
>As far as I could see there was no instruction to get the first/last
>bit set.
>
>Can someone with insight in processor design describe the
>considerations done by the designers when they decide to
>include or to not include such an instruction? (Assuming they
>are not chess programmers :)
>
>Is it possible to quantify how the "trouble" to include
>it scales with the number of bits? I.e. is it even less likely
>to be found in an 128-bit processor?
>
>Ralf

Hi!

I found some talking is going about 64 bits processor. I thought that maybe some
new 64 bits machine came out and I don't know about this. Went to the beginning
of this conversation and I am still not sure. Are there really some new 64 bits
processor or, at least, something dramatically new about next 64 bits CPU? I
have the impression that I wait for it for ever.

Thanks,
Leonid.



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