From owner-freebsd-stable  Mon May  7 16:25: 6 2001
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From: "Juha Saarinen" <juha@saarinen.org>
To: "Nuno Teixeira" <nuno.mailinglists@pt-quorum.com>,
	"Guilherme Oliveira" <guilherme@nortenet.pt>
Cc: "FreeBSD Stable" <freebsd-stable@FreeBSD.ORG>
Subject: RE: CFLAGS Optimization
Date: Tue, 8 May 2001 11:24:27 +1200
Message-ID: <KPECIILENDDLPCNIMLOFAEMOCDAA.juha@saarinen.org>
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:: > Nuno Teixeira wrote:
:: > >
:: > > [i586]:
:: > > CFLAGS='-O3 -mcpu=pentium -march=pentium -ffast-math -funroll-loops
:: > > - -fomit-frame-pointer -fforce-mem -fforce-addr -malign-double
:: > > - -fno-exceptions'


-O2/-O3 turn on -fforce-mem;
-march implies -mcpu;
-fno-exceptions doesn't make anything run faster, and could break some C++
code;

I've had bad experience with any optflags above -O on FreeBSD.

-- Juha


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