[oe] Add Intel Core 2 machine support (prescott and nocona)

[Khem Raj]

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Leon Woestenberg wrote:
> Hello,
> 
> I would like to add support for Intel's Core 2 processors, in both 32
> and 64 bit mode.
> 
> I am wondering what namespace to use for the PACKAGE ARCHs?
> 
> Given all the options[*], I think "x86-prescott" and "x86_64-nocona"
> are suitable:
> 
> x86_64-prescott= x86_32-core = x86_32-core2
> x86_64-nocona = x86_64-core2
> 
> The naming is a bit to long to suite my taste, maybe prescott and
> nocona are enough?
> 
> I would like some input on this before I commit anything and pollute
> the namespace.
> 
> Regards,

I would suggest just add conf/machine/core2.conf and another
conf/machine/tune-core2.inc file to have the special gcc flags.  I would
not add it as a separate arch but stick with x86. To me it sounds more
confusing to have x86 and core separated out into two different basic
arches.

Just my 2 cents.

- -Khem

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