From: Dan Armak <ermak@netvision.net.il>
To: gentoo-dev@cvs.gentoo.org
Subject: [gentoo-dev] make.conf optimization flags for k6, athlon
Date: Fri Jul 13 14:36:02 2001 [thread overview]
Message-ID: <01071323350502.00707@localhost> (raw)
Hi all,
In make.conf we specify the optimization CXXFLAGS as follows:
# For Pentium and k6/2 machines
# -----------------------------
#CHOST="i586-pc-linux-gnu"
#CFLAGS="-mpentium -march=pentium -O3 -pipe"
#CXXFLAGS="-mpentium -march=pentium -O3 -pipe"
Why don't we use -march=k6 -mcpu=k6? Wouldn't that allow use of mmx and
3dnow, which a generic pentium doesn't have?
# For PII PIII and Athlon machines
# --------------------------------
#CHOST="i686-pc-linux-gnu"
#CFLAGS="-mpentiumpro -march=pentiumpro -O3 -pipe"
#CXXFLAGS="-mpentiumpro -march=pentiumpro -O3 -pipe"
The same here: I believe (though I'm not sure as I don't have an Athlon) that
the flags -mcpu=athlon -march=athlon might be of use.
Dan Armak
next reply other threads:[~2001-07-13 20:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-13 14:36 Dan Armak [this message]
2001-07-13 14:55 ` [gentoo-dev] make.conf optimization flags for k6, athlon Daniel Robbins
2001-07-13 15:00 ` Dan Armak
2001-07-13 15:38 ` Daniel Robbins
2001-07-14 1:11 ` Dan Armak
2001-07-14 2:12 ` Daniel Robbins
2001-07-14 3:28 ` Hendrik Visage
2001-07-14 4:04 ` Dan Armak
2001-07-14 18:56 ` Thomas Beaudry
2001-07-15 0:15 ` Dan Armak
2001-07-15 0:45 ` Thomas Beaudry
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