From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1RWi91-0007v3-5Z for garchives@archives.gentoo.org; Sat, 03 Dec 2011 05:28:15 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 9557421C059; Sat, 3 Dec 2011 05:28:04 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) by pigeon.gentoo.org (Postfix) with ESMTP id C97C821C03E for ; Sat, 3 Dec 2011 05:27:25 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp.gentoo.org (Postfix) with ESMTP id 58D511B4019 for ; Sat, 3 Dec 2011 05:27:25 +0000 (UTC) X-Virus-Scanned: by amavisd-new using ClamAV at gentoo.org X-Spam-Flag: NO X-Spam-Score: -5.37 X-Spam-Level: X-Spam-Status: No, score=-5.37 tagged_above=-999 required=5.5 tests=[AWL=0.033, BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RP_MATCHES_RCVD=-1.201, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=ham Received: from smtp.gentoo.org ([127.0.0.1]) by localhost (smtp.gentoo.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4BoAjPpsLMpv for ; Sat, 3 Dec 2011 05:27:18 +0000 (UTC) Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) by smtp.gentoo.org (Postfix) with ESMTP id D82531B4014 for ; Sat, 3 Dec 2011 05:27:16 +0000 (UTC) Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1RWi7y-0006rc-GO for gentoo-dev@gentoo.org; Sat, 03 Dec 2011 06:27:10 +0100 Received: from 71-17-69-121.yktn.hsdb.sasknet.sk.ca ([71.17.69.121]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 03 Dec 2011 06:27:10 +0100 Received: from dirtyepic by 71-17-69-121.yktn.hsdb.sasknet.sk.ca with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 03 Dec 2011 06:27:10 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: gentoo-dev@lists.gentoo.org From: Ryan Hill Subject: [gentoo-dev] Re: filter-mfpmath: has Gentoo out grown it ? Date: Fri, 2 Dec 2011 23:36:59 -0600 Message-ID: <20111202233659.44e4d466@gentoo.org> References: <201112021757.14135.vapier@gentoo.org> <4ED97D10.30002@gentoo.org> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-dev@lists.gentoo.org Reply-to: gentoo-dev@lists.gentoo.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/88WhX0hiJddOgnqYlBMCTKI"; protocol="application/pgp-signature" X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: 71-17-69-121.yktn.hsdb.sasknet.sk.ca X-Newsreader: Claws Mail 3.7.10 (GTK+ 2.24.8; x86_64-pc-linux-gnu) X-Archives-Salt: 2bb49f75-e250-4d59-a08e-b7f7cea0f83c X-Archives-Hash: 0406e30b1fc6e0b9a61af3239108555f --Sig_/88WhX0hiJddOgnqYlBMCTKI Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Fri, 02 Dec 2011 20:36:16 -0500 Mike Gilbert wrote: > I've never thought of -mfpmath=3Dsse as a "ricer" flag. If anything, it > should make floating point calculations more consistent. Not really. It's it's extremely target processor dependent and generally t= he defaults are the best settings. It can vary a lot based on the SSE instructions and number of registers available and the register allocator a= nd scheduler are optimized with that in mind. > The varying behavior between gcc versions seems like a possibly good > reason to not "support" it, but I'm not familiar with this. Has it > stabilized recently or is it still in flux? I'd say it's still in flux. The register allocator and instruction schedul= er were both rewritten for 4.4 and have seen a lot of work since then. --=20 fonts, gcc-porting, it makes no sense how it makes no sense toolchain, wxwidgets but i'll take it free anytime @ gentoo.org EFFD 380E 047A 4B51 D2BD C64F 8AA8 8346 F9A4 06= 62 --Sig_/88WhX0hiJddOgnqYlBMCTKI Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iEYEARECAAYFAk7ZtYcACgkQiqiDRvmkBmLZNACfbEmQCqdypocRut03hgJZJ9Sq FkUAnjZHXMAA5s6c21RkMQrbXDa7y7/0 =dgys -----END PGP SIGNATURE----- --Sig_/88WhX0hiJddOgnqYlBMCTKI--