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Date:      Mon, 27 Mar 2006 13:05:13 -0600
From:      "Nikolas Britton" <nikolas.britton@gmail.com>
To:        freebsd-stable@freebsd.org
Subject:   -march=pentium2 + -mtune=pentium4 faster then -march=pentium4?
Message-ID:  <ef10de9a0603271105v3f68bd69q883e853366fb36d@mail.gmail.com>

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Why does GCC produce faster code using "-march=3Dpentium2
-mtune=3Dpentium4" on a Pentium 4 chip versus plain -march=3Dpentium4?

Try it...

CPUTYPE=3Dpentium2
CFLAGS+=3D -mtune=3Dpentium4
COPTFLAGS+=3D -mtune=3Dpentium4



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BSD Podcasts @ http://bsdtalk.blogspot.com/



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