In other words:

pentium4m is for the mobile version of the Pentium 4; see
http://www.intel.com/products/processor/mobilepentium4/

Pentium-m is for the Pentium M series, a completely different processor from
the Pentium 4 series. See
http://www.intel.com/products/processor/pentiumm/index.htm

-----Original Message-----
From: Luca Botti [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, November 02, 2005 7:45 AM
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] -mtune for P4M (dothan)


WRONG!

dothan is not a P4M, it is a Pentium-M, like the previous, 1mb 2nd level
cache 
version.

So you should apply the pentium3 + sse options for gcc 3.3, or 
-march=pentium-m for gcc 3.4 and upper.

The pentium4m is just a cut-down version of pentium4.




Alle Tuesday 1 November 2005 16:09, Qian Qiao ha scritto:
> Hi,
>
> Trying to install gentoo on a notebook with a P4M (dothan), wondering
> what -mtune should I go for, the GCC manual says:
>
> pentium-m
> Low power version of Intel Pentium3 CPU with MMX, SSE and SSE2
> instruction set support. Used by Centrino notebooks.
>
> pentium4, pentium4m
> Intel Pentium4 CPU with MMX, SSE and SSE2 instruction set support.
>
> So shall I choose pentium-m? or pentium4m?
>
> TIA
>
> -- Joe
>
> --
> There are 3 kinds of people in the world:
> Those who can count, and those who can't.
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