Author: Robert Hyatt
Date: 21:51:32 01/16/03
Go up one level in this thread
On January 16, 2003 at 20:21:12, Eugene Nalimov wrote: >Hardware. IA-64 instruction set includes "IA-32 compatibility mode". > >Thanks, >Eugene All that wasted chip space makes me want to puke... :) > >On January 16, 2003 at 20:11:38, Robert Hyatt wrote: > >>On January 16, 2003 at 20:01:32, Eugene Nalimov wrote: >> >>>Itanium (I and II) can natively execute x86 code. Performance is not great, but >>>often sufficient. I.e. it's possible to run some x86 program that was not ported >>>to the IA-64. >>> >>>For example, engineer can run natively compiled CAD package and x86 mail client >>>on the same system. >>> >>>Thanks, >>>Eugene >> >>is this with hardware or software emulation? IE the alpha had an emulator >>to execute old vax stuff. But it was horribly slow... >> >>I'm trying to think about how they could execute ia32 instructions which are >>so far different than ia64 it doesn't even make sense to talk about them at >>the same time... >> >> >> >>> >>>On January 16, 2003 at 19:45:02, Robert Hyatt wrote: >>> >>>>On January 16, 2003 at 19:37:27, Terry McCracken wrote: >>>> >>>>>On January 16, 2003 at 18:07:16, Anthony Cozzie wrote: >>>>> >>>>>>you do realize itanium != IA32, don't you? >>>>>> >>>>>>every indication is that fritz is wholly or partially written in assembly . . . >>>>>> >>>>>>anthony >>>>> >>>>>The Itanium is IA64 with backwards compatibility to run IA32 based programmes. >>>> >>>> >>>>Not the itaniums I am aware of. They are a completely new and incompatible >>>>architecture. >>>> >>>>AMD has announced a 64 bit processor with backward compatibility. But >>>>definitely not Itanium.
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