Re: Intel vs AMD x86-64

[Mikael Pettersson]

Linus Torvalds writes:
 > 
 > Ok, 
 >  now that Intel has finally come clean about their x86-64 implementation
 > (see
 > 
 > 	http://www.intel.com/technology/64bitextensions/index.htm?iid=techtrends+spotlight_64bit
 > 
 > for full details), can somebody write up a list of differences? I know
 > there are people who have had access to the Intel docs for a while now,
 > and obviously Intel is too frigging proud to list the differences
 > explicitly.

>From what I can see from these docs, Intel's "IA-32e" is very very close
to the natural combination of P4 with AMD64. No hyperlink stuff, but
otherwise the same. The local APIC and performance counters should be
exactly as in P4 :-)

What about naming? IA-64 is taken, AMD64 is too specific, Intel's
"IA-32e" sounds too vague, and I find x86-64 / x86_64 difficult to type.
"x64" perhaps?
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