Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 243.83

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10:39 AM EST

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To: Magrathea who wrote (197883)	5/19/2006 11:31:05 AM
From: combjelly	Read Replies (1) of 275872

"A. x86-64 was designed to be compatible with x86-32. So it in no way implies Power+x86 is feasible." No, it doesn't. But if you look at the Power insruction set, you see that there isn't much that is different. After making allowances for different number of registers, you could decompose Power and x86-64 to similar uop sequences. "B. Did Itanium embed an x86 ever?" Sure it did. Only recently dropped it when emulation proved to be faster. "My concept is that a separate non-x86 HT linked chip runs the different ISA code." That could be done. The problem is that it needs OS support. So it depends on the cooperation of Microsoft.

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