From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.62) (envelope-from ) id 1Gwm6H-0006nI-Lk for garchives@archives.gentoo.org; Tue, 19 Dec 2006 21:02:14 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.8/8.13.8) with SMTP id kBJKwQw9020560; Tue, 19 Dec 2006 20:58:26 GMT Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.175]) by robin.gentoo.org (8.13.8/8.13.8) with ESMTP id kBJKuLBD009846 for ; Tue, 19 Dec 2006 20:56:22 GMT Received: by ug-out-1314.google.com with SMTP id z38so1837397ugc for ; Tue, 19 Dec 2006 12:56:21 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=googlemail.com; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=ScyGZ7BDsc21uclAVqAPEY1X9zQUb7CwMkYsvNMQo90nMKF6KJiJv9mkROHD9s33pmPl3k+6m8h/NDmeQ/BT/b71epyX8Yk7l2bdI8r7q/FbKLTSHb91q7BJ59odUFpqhTL20T/nSGMHpw6nzpBKZqSuDB0lj5E2aJaN3nyxsxw= Received: by 10.82.127.15 with SMTP id z15mr1253097buc.1166561781093; Tue, 19 Dec 2006 12:56:21 -0800 (PST) Received: by 10.82.146.8 with HTTP; Tue, 19 Dec 2006 12:56:21 -0800 (PST) Message-ID: Date: Tue, 19 Dec 2006 21:56:21 +0100 From: Jakob To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] CFLAGS Core2Duo In-Reply-To: <200612191413.14259.bss03@volumehost.net> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200612191336.57134.bss03@volumehost.net> <200612191413.14259.bss03@volumehost.net> X-Archives-Salt: 2a7f341c-cf8e-41a0-913a-b71fe654763a X-Archives-Hash: 1e9c382a81613aa6fffc6422860b3b86 On 12/19/06, Boyd Stephen Smith Jr. wrote: > On Tuesday 19 December 2006 13:48, Jakob wrote > about 'Re: [gentoo-user] CFLAGS Core2Duo': > > Thaks for the quick reply. > > On http://gentoo-wiki.com/Safe_Cflags they say for 32bit use: > > CFLAGS="-march=prescott -O2 -pipe -fomit-frame-pointer" > > Is this wat you meant for better -march settings? > > Specifically, I meant that -march=prescott is probably better > than -march=pentium-m. If you use Konqueror, hit x86-64 Options >; or just use your favorite infotext reader to look at the > x86(_64) machine specific options, so you are generating code tuned > particularly to your processor. > > > I was confused by the GWN because they didnt say its for 64bit only. > > Well, a lot of people assume that buying a 64-bit processor means you > actually want to use the extra bits (and registers). Of course, it's > getting harder and harder to buy a non-64 bit chip. > > -- > "If there's one thing we've established over the years, > it's that the vast majority of our users don't have the slightest > clue what's best for them in terms of package stability." > -- Gentoo Developer Ciaran McCreesh > > > Its funny till yesterday I didnt even know It supports 64bit ;-) I think I will change to -march=prescott and stick with 32bit. do I have to run emerge -avuD world after changing to -march=prescott? -- gentoo-user@gentoo.org mailing list