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SubjectRe: Pentium-M?
On Sun, 24 Aug 2003 22:20:13 +0200, Christian Axelsson <smiler@lanil.mine.nu> wrote:
>Hmm.. I have compiled my whole system with -march=pentium4 and yet not
>had a single breakage. Are you sure that this is p3?

Oh yes. The core is most definitely P6+tweaks and not NetBurst.
This can be deduced from facts like:
- CPUID family is 6 not 15
- performance counter architecture is like PIII with some minor
tweaks but definitely nothing like P4
- treated separately from NetBurst in code optimization manual

The reason compiling with -march=pentium4 doesn't break is that
the differences ISA-wise are almost nil.

/Mikael
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