Re: [Linux-ia64] Multimedia Instructions

From: Dan Pop <Dan.Pop_at_cern.ch>
Date: 2000-10-21 10:25:56
On Fri, 20 Oct 2000, Mattox, Dave wrote:

> 2. Does anyone know if the 10 clock cycle penalty for a multimedia
> instruction result used in a different instruction type is just a quirk of
> the Itanium Chip or will this most likely be carried into future IA-64
> Chipsets? 

It's certainly an implementation detail of the Itanium, not a property
of the IA64 architecture.  Of course, only some Intel people have an
idea about what the penalty will be in the next implementation.

Dan
Received on Fri Oct 20 16:25:59 2000

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