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Mail Archives: djgpp/2000/03/11/15:21:45

From: Damian Yerrick <DONT DOT YOU DOT DAREd_yerrick AT hotmail DOT comSEND DOT SPAM>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: AMD processors and assembly language
Organization: Pin Eight Software http://pineight.8m.com/
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References: <01JMWIIY2ZT69ASSJ4 AT SLU DOT EDU>
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NNTP-Posting-Date: Sat, 11 Mar 2000 18:04:44 GMT
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Date: Sat, 11 Mar 2000 18:04:44 GMT
To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

On Sat, 11 Mar 2000 10:22:23 -0600 (CST), GAMMELJL AT SLU DOT EDU wrote:

>     In high precision arithmetic, the assembly language commands
>mul, div, and adc are essential.  In the 486 architecture, these
>commands are efficient.  In the alpha architecture, they do not exist.

WTF?  Compaq's Alpha doesn't have multiply, divide, and add?

>     AMD's 64-bit processors will follow the 486 architecture.  Intel's
>will follow the alpha architecture.

No.  The IA64 Merced Itanium chip is not a clone of the Alpha chip.

>As far as I am concerned, the AMD processor (code name sledgehammer)
>will be the processor of the future.  The Intel processor (code name
>Itanium ?) is, unfortunately, not the processor of the future.

IA64 is a VLIW (very long instruction word) instruction set that uses
three execution units.
Each instruction is 128 bits long:
5 bits: control
41 bits: instruction to be sent to processor A
41 bits: instruction to be sent to processor B
41 bits: instruction to be sent to processor C

>I am willing to donate genprec to djgpp (or delorie.com) if anyone
>is interested.

That'd be great!  Put it up on Simtel and tell DJ about it.

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