From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id C1B25138330 for ; Sun, 4 Sep 2016 17:48:31 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 3789521C07F; Sun, 4 Sep 2016 17:48:22 +0000 (UTC) Received: from ironport2-out.teksavvy.com (ironport2-out.teksavvy.com [206.248.154.181]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 31BEB21C043 for ; Sun, 4 Sep 2016 17:48:20 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0CCCQCJI6tX/1Xo92hDGikBAYMaVny7IySFcwSBYT0QAQEBAQEBAV0nhGAEOxwoNxMhBSUkE4gpCA4toRSgDSwFkmOCLwWZPIE2hGeIa4Ffh3IXhWWQLDUfghIcgWggMgEBhyoBAQE X-IPAS-Result: A0CCCQCJI6tX/1Xo92hDGikBAYMaVny7IySFcwSBYT0QAQEBAQEBAV0nhGAEOxwoNxMhBSUkE4gpCA4toRSgDSwFkmOCLwWZPIE2hGeIa4Ffh3IXhWWQLDUfghIcgWggMgEBhyoBAQE X-IronPort-AV: E=Sophos;i="5.28,500,1464667200"; d="scan'208";a="271273820" Received: from 104-247-232-85.cpe.teksavvy.com (HELO waltdnes.org) ([104.247.232.85]) by smtp.teksavvy.com with SMTP; 04 Sep 2016 13:48:19 -0400 Received: by waltdnes.org (sSMTP sendmail emulation); Sun, 04 Sep 2016 13:48:19 -0400 From: waltdnes@waltdnes.org Date: Sun, 4 Sep 2016 13:48:19 -0400 To: Gentoo Users List Subject: [gentoo-user] Former gcc "-march=atom" flag is now "-march=bonnell" Message-ID: <20160904174818.GA4737@waltdnes.org> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-Archives-Salt: d0eda3c4-51eb-4633-9bdb-c47071fa287d X-Archives-Hash: ff0597047b433a2a1da7c8f1cbf7c504 https://gcc.gnu.org/gcc-4.9/changes.html states... > Optimizing for other Intel microarchitectures have been renamed to > -march=nehalem, westmere, sandybridge, ivybridge, haswell, bonnell. My ancient Atom netbook identifies as "bonnell". [aa1][waltdnes][~] gcc -c -Q -march=native --help=target | grep -i march= -march= bonnell According to a post on the Arch forum gcc ignores "-march=atom"... https://bbs.archlinux.org/viewtopic.php?pid=1423395#p1423395 This is very important if you're trying to optimize for an Atom netbook. -- Walter Dnes I don't run "desktop environments"; I run useful applications