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SubjectRe: PPro compile
   Date: 	Thu, 12 Sep 1996 11:49:28 -0400 (EDT)
From: "Andrew E. Mileski" <>

> Can I ask this dumb question. If , as Intel claims, the PPro performs
> better on 386 code then 486-Pentium code, why does the kernel compile
> with m486 rather than m386?

I've never seen such a claim.

Intel has claimed that 32-bit unsegmented code runs faster though.

One reason that 486-optimized code might be less efficient is that
just about everything is aligned on a 16 byte boundary, so the code's

Robert Krawitz <>

Member of the League for Programming Freedom -- mail
Tall Clubs International -- or 1-800-521-2512

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