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 4C660138334 for ; Sat, 31 Aug 2019 07:29:59 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id A4D62E0896; Sat, 31 Aug 2019 07:29:56 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 31C78E088D for ; Sat, 31 Aug 2019 07:29:56 +0000 (UTC) Received: from pomiot (c135-60.icpnet.pl [85.221.135.60]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: mgorny) by smtp.gentoo.org (Postfix) with ESMTPSA id 7C1EB34A755; Sat, 31 Aug 2019 07:29:54 +0000 (UTC) Message-ID: Subject: Re: [gentoo-dev] [PATCH 1/2] profiles/desc: descriptions for CPU_FLAGS_PPC use_expand From: =?UTF-8?Q?Micha=C5=82_G=C3=B3rny?= To: gentoo-dev@lists.gentoo.org Cc: Georgy Yakovlev Date: Sat, 31 Aug 2019 09:29:50 +0200 In-Reply-To: References: <20190831070342.28451-1-gyakovlev@gentoo.org> <20190831070342.28451-2-gyakovlev@gentoo.org> <422b3e12c06bc3c25c6cee74593dfce3dc39b8a8.camel@gentoo.org> Organization: Gentoo Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-WOMXjhieahH6FURBYuWz" User-Agent: Evolution 3.30.5 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 X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 X-Archives-Salt: 72b7cdf7-39dc-4ca1-a0ef-9f27ce5dfed9 X-Archives-Hash: c4e2aa5477998da472205f9c0715782a --=-WOMXjhieahH6FURBYuWz Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sat, 2019-08-31 at 00:19 -0700, Georgy Yakovlev wrote: > On 8/30/19 11:11 PM, Micha=C5=82 G=C3=B3rny wrote: > > On Sat, 2019-08-31 at 00:03 -0700, Georgy Yakovlev wrote: > > > > +altivec - Use the AltiVec instruction set > > > +vsx - Use the Vector Scalar Extension instruction set (POWER7 and la= ter) > > > +vsx3 - Use the Vector Scalar Extension v.3 instruction set (POWER9 a= nd later) > >=20 > > Do all those flags have real use cases in ::gentoo? I'd really prefer > > not having more 'unused flag' warnings ;-). > >=20 >=20 > yeah, I have mentioned possible users above and there are plenty I > haven't identified yet. patches to ebuilds will follow, I promise =3D) >=20 > for example x264 if built with proper flags gives a noticeable boost, > (at least 2x at encoding), totally worth it. >=20 > ppc will not have a lot of flags like on arm or x86, maybe a couple > more, but that's it for now. >=20 Just to be clear: we're not talking about -m compiler flags, are we?=20 'cause those should be handled via CFLAGS. --=20 Best regards, Micha=C5=82 G=C3=B3rny --=-WOMXjhieahH6FURBYuWz Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQGTBAABCgB9FiEEx2qEUJQJjSjMiybFY5ra4jKeJA4FAl1qIe5fFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEM3 NkE4NDUwOTQwOThEMjhDQzhCMjZDNTYzOUFEQUUyMzI5RTI0MEUACgkQY5ra4jKe JA47xQf/ai8DLcJUaUQY25JVxy+kMq4T0xPbvhdTSY81WEnWXni9dOt7362gE7O0 w6hfm9eFiJBomKCIbR4gpRXMqOEJ1wsL3oJ/3lFTByczQzkgn2Us1THBr6Wz1mk8 xd90GPlGulfS1+FqaeYtqzA2Ua1323zEZAWOhS/Fjs/cg1bRczPiXb5iJJw0PcxP CisTgwvbaHlPWG/M0dr+h8aqse1QL32Q/fz0sIWlw0Fgy+owlbUuwctjDeHorV3F 4nOLydKVdHp4ljcK0Zg+f8c+X8iXfgPhObc9bdOFH4Foj67ZnJpnnG3Ul3y5aJOF Fr+8oyimNG+sU4NVRxdSSIOEWbK8fQ== =Nl/c -----END PGP SIGNATURE----- --=-WOMXjhieahH6FURBYuWz--