From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dedi548.your-server.de (dedi548.your-server.de [85.10.215.148]) by sourceware.org (Postfix) with ESMTPS id 032B53858D20 for ; Tue, 15 Mar 2022 14:29:28 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 032B53858D20 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=embedded-brains.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=embedded-brains.de Received: from sslproxy02.your-server.de ([78.47.166.47]) by dedi548.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92.3) (envelope-from ) id 1nU8Av-0007mr-Id; Tue, 15 Mar 2022 15:29:25 +0100 Received: from [82.100.198.138] (helo=mail.embedded-brains.de) by sslproxy02.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nU8Av-0008uZ-Fj; Tue, 15 Mar 2022 15:29:25 +0100 Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 31D6C4800C5; Tue, 15 Mar 2022 15:29:25 +0100 (CET) Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id NnoHIdRKiojf; Tue, 15 Mar 2022 15:29:24 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id DA86C4800DB; Tue, 15 Mar 2022 15:29:24 +0100 (CET) X-Virus-Scanned: amavisd-new at zimbra.eb.localhost Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id EYQEwK_oMUXB; Tue, 15 Mar 2022 15:29:24 +0100 (CET) Received: from [10.10.171.10] (unknown [10.10.171.10]) by mail.embedded-brains.de (Postfix) with ESMTPSA id 8D64B4800C5; Tue, 15 Mar 2022 15:29:24 +0100 (CET) Message-ID: <1ca1030d-daea-01d1-9932-64eb2efb4aa6@embedded-brains.de> Date: Tue, 15 Mar 2022 15:29:23 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: [PATCH] rs6000: Improve .machine Content-Language: en-US To: Segher Boessenkool Cc: gcc-patches@gcc.gnu.org References: <20220310101125.GV614@gate.crashing.org> From: Sebastian Huber In-Reply-To: <20220310101125.GV614@gate.crashing.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Authenticated-Sender: smtp-embedded@poldinet.de X-Virus-Scanned: Clear (ClamAV 0.103.5/26482/Tue Mar 15 09:26:17 2022) X-Spam-Status: No, score=-4.9 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, NICE_REPLY_A, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Mar 2022 14:29:30 -0000 Hello Segher, On 10/03/2022 11:11, Segher Boessenkool wrote: > On Thu, Mar 10, 2022 at 09:25:21AM +0100, Sebastian Huber wrote: >> On 04/03/2022 17:51, Segher Boessenkool wrote: >>> This adds more correct .machine for most older CPUs. It should be >>> conservative in the sense that everything we handled before we handle= at >>> least as well now. This does not yet revamp the server CPU handling,= it >>> is too risky at this point in time. >>> >>> Tested on powerpc64-linux {-m32,-m64}. Also manually tested with all >>> -mcpu=3D, and the output of that passed through the GNU assembler. >>> >>> I plan to commit this later today. >> Could this be back ported to GCC 10 and 11? I would fix the following >> issue for -mcpu=3D405: >> >> Error: unrecognized opcode: `dlmzb.' > Good to hear! >=20 > Unfortunately there is PR104829 about this commit. I don't see how the > commit can break anything (that wasn't already broken); it's not clear > how it happens at all, and neither me nor colleagues could reproduce it > so far. >=20 > So I won't yet backport it, but first wait what happens here. now that the PR104829 is fixed could I back port Segher Boessenkool (2): rs6000: Improve .machine rs6000: Do not use rs6000_cpu for .machine ppc and ppc64 (PR104829) to GCC 10 and 11? --=20 embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.huber@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht M=C3=BCnchen Registernummer: HRB 157899 Vertretungsberechtigte Gesch=C3=A4ftsf=C3=BChrer: Peter Rasmussen, Thomas= D=C3=B6rfler Unsere Datenschutzerkl=C3=A4rung finden Sie hier: https://embedded-brains.de/datenschutzerklaerung/