From owner-freebsd-current Sun Mar 23 11:35:34 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 32AA437B401 for ; Sun, 23 Mar 2003 11:35:33 -0800 (PST) Received: from mailout09.sul.t-online.com (mailout09.sul.t-online.com [194.25.134.84]) by mx1.FreeBSD.org (Postfix) with ESMTP id C674643FA3 for ; Sun, 23 Mar 2003 11:35:31 -0800 (PST) (envelope-from der_julian@web.de) Received: from fwd07.sul.t-online.de by mailout09.sul.t-online.com with smtp id 18xBFi-0000LL-06; Sun, 23 Mar 2003 20:35:30 +0100 Received: from jmmr.no-ip.com (520088592922-0001@[217.85.111.22]) by fmrl07.sul.t-online.com with esmtp id 18xBFR-0vzOSmC; Sun, 23 Mar 2003 20:35:13 +0100 Received: from jmmr.no-ip.com (blitz@localhost [127.0.0.1]) by jmmr.no-ip.com (8.12.8/8.12.8) with ESMTP id h2NJZ0N2095244 for ; Sun, 23 Mar 2003 20:35:03 +0100 (CET) (envelope-from der_julian@web.de) Received: (from blitz@localhost) by jmmr.no-ip.com (8.12.8/8.12.8/Submit) id h2NJYoex095239 for current@freebsd.org; Sun, 23 Mar 2003 20:34:50 +0100 (CET) (envelope-from der_julian@web.de) X-Authentication-Warning: jmmr.no-ip.com: blitz set sender to der_julian@web.de using -f Subject: Re: libm problem From: "Julian St." Reply-To: der_julian@web.de To: FreeBSD-current In-Reply-To: <20030323175659.GA2558@fourtytwo.brucec.backnet> References: <20030318173051.GA2322@f111.hadiko.de> <20030323070808.0d3f63c0.fearow@attbi.com> <20030323170244.GA1911@f111.hadiko.de> <200303231843.16545.michaelnottebrock@gmx.net> <20030323175659.GA2558@fourtytwo.brucec.backnet> Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Message-Id: <1048448088.91090.7.camel@jmmr.no-ip.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 Date: 23 Mar 2003 20:34:49 +0100 X-Sender: 520088592922-0001@t-dialin.net 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 Am So, 2003-03-23 um 18.56 schrieb Bruce Cran: > On Sun, Mar 23, 2003 at 06:43:16PM +0100, Michael Nottebrock wrote: > > > > Just out of curiousity, have you tried using -mfpmath=sse? I remember someone > > on this list claiming that the SSE fpa-code works much better than the i387 > > code which is used by default (even with -march=pentium4). > > > > I don't know if SSE code runs faster, but it defitely seems to fix bad > code generation when optimizing for athlon-xp architecture. For > example, -O2 -march=athlon-xp produces broken code, whereas -O2 > -march=athlon-xp -mfpmath=sse produces programs which work. Just out of curiosity: Is -O -march=athlon-xp affected, too, by broken code generation? Because thats what I use all the time. :) -- Julian Stecklina To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message