How to tell whether CPU supports x64?

[Chad Perrin]

On Thu, Mar 17, 2011 at 06:27:13PM -0500, Adam Vande More wrote:
> 
> yes that is correct, LM stands for Long Mode which indicates amd64 support.
> If your CPU doesn't list it, it's either a 32 bit only CPU, or it's a bug.

. . . or maybe it is a 64 bit CPU that is not x86_64/amd64 compatible.
Do IA-64 (Itanium), IBM POWER, and SPARC 64 bit processors use the same
Long Mode functionality?

-- 
Chad Perrin [ original content licensed OWL: http://owl.apotheon.org ]
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