From owner-freebsd-current Fri Feb 28 17:54:25 2003 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D769F37B401 for ; Fri, 28 Feb 2003 17:54:23 -0800 (PST) Received: from heron.mail.pas.earthlink.net (heron.mail.pas.earthlink.net [207.217.120.189]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4B26F43FA3 for ; Fri, 28 Feb 2003 17:54:23 -0800 (PST) (envelope-from tlambert2@mindspring.com) Received: from pool0169.cvx21-bradley.dialup.earthlink.net ([209.179.192.169] helo=mindspring.com) by heron.mail.pas.earthlink.net with asmtp (SSLv3:RC4-MD5:128) (Exim 3.33 #1) id 18owCj-0001d3-00; Fri, 28 Feb 2003 17:54:22 -0800 Message-ID: <3E60127B.B6408504@mindspring.com> Date: Fri, 28 Feb 2003 17:52:59 -0800 From: Terry Lambert X-Mailer: Mozilla 4.79 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: Bryan Liesner Cc: current@FreeBSD.ORG Subject: Re: -O2 considered harmful References: <20030226172500.Q42451@gravy.kishka.net> <20030228215121.GA68936@dragon.nuxi.com> <20030228172849.L41410@gravy.kishka.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-ELNK-Trace: b1a02af9316fbb217a47c185c03b154d40683398e744b8a40c2ad6743e3631d53ced77b296f49883350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > > > I have seen this as well, using -O2 -march=athlon-xp. > > > The generated assembler tried to stuff -129 into a single byte. > > > > What about just trying -march=athlon? The only difference is the SSE > > support, which is quite new and may have latent bugs anyway. > > I didn't try that, but i did not get that error using: > -O2 -march=athlon-xp -mmmx -msse -m3dnow -mfpmath=sse > to compile the xc/ tree Is it just me, or does this whole discussion boil down to something like "How can I overclock my compiler?"? -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message