From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 88989 invoked by alias); 10 Jul 2015 16:23:41 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 88972 invoked by uid 89); 10 Jul 2015 16:23:41 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.4 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.2 X-HELO: e06smtp13.uk.ibm.com Received: from e06smtp13.uk.ibm.com (HELO e06smtp13.uk.ibm.com) (195.75.94.109) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (CAMELLIA256-SHA encrypted) ESMTPS; Fri, 10 Jul 2015 16:23:39 +0000 Received: from /spool/local by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 10 Jul 2015 17:23:35 +0100 Received: from d06dlp02.portsmouth.uk.ibm.com (9.149.20.14) by e06smtp13.uk.ibm.com (192.168.101.143) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Fri, 10 Jul 2015 17:23:35 +0100 X-MailFrom: uweigand@de.ibm.com X-RcptTo: gdb-patches@sourceware.org Received: from b06cxnps4076.portsmouth.uk.ibm.com (d06relay13.portsmouth.uk.ibm.com [9.149.109.198]) by d06dlp02.portsmouth.uk.ibm.com (Postfix) with ESMTP id 42C6B219004D for ; Fri, 10 Jul 2015 17:23:12 +0100 (BST) Received: from d06av12.portsmouth.uk.ibm.com (d06av12.portsmouth.uk.ibm.com [9.149.37.247]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t6AGNYo334930696 for ; Fri, 10 Jul 2015 16:23:34 GMT Received: from d06av12.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av12.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t6ANN5Mr024544 for ; Fri, 10 Jul 2015 17:23:06 -0600 Received: from oc7340732750.ibm.com (icon-9-164-191-106.megacenter.de.ibm.com [9.164.191.106]) by d06av12.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id t6ANN5qN024536; Fri, 10 Jul 2015 17:23:05 -0600 Received: by oc7340732750.ibm.com (Postfix, from userid 500) id 182E6B042; Fri, 10 Jul 2015 18:23:32 +0200 (CEST) Subject: Re: Several regressions and we branch soon. To: arnez@linux.vnet.ibm.com (Andreas Arnez) Date: Fri, 10 Jul 2015 16:23:00 -0000 From: "Ulrich Weigand" Cc: qiyaoltc@gmail.com (Yao Qi), dje@google.com (Doug Evans), brobecker@adacore.com (Joel Brobecker), gdb-patches@sourceware.org (gdb-patches) In-Reply-To: <87zj34j8kl.fsf@br87z6lw.de.ibm.com> from "Andreas Arnez" at Jul 10, 2015 06:12:10 PM MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <20150710162332.182E6B042@oc7340732750.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15071016-0013-0000-0000-000004A6E853 X-SW-Source: 2015-07/txt/msg00333.txt.bz2 Andreas Arnez wrote: > On Fri, Jul 10 2015, Yao Qi wrote: > GCC5 on ppc64le emits the ABI warning even in absence of "-mcpu=". > Again it should help to add "-Wno-psabi". Yes, for ppc64 we definitely should add -Wno-psabi. > Yes. But in this case no vector ABI is used, because that test machine > does not have a vector facility and because -march=native is not > supported by GCC (yet). Thus vector return values are not passed in > vector registers, but according to RETURN_VALUE_STRUCT_CONVENTION. And > then we hit the problem that displaying such return values is not > supported by GDB: https://sourceware.org/bugzilla/show_bug.cgi?id=8549 Hmm. Since this is a separate problem independent of vector support, maybe this test case should accept the failure to display struct return values, and pass the test (or maybe KFAIL?). Bye, Ulrich -- Dr. Ulrich Weigand GNU/Linux compilers and toolchain Ulrich.Weigand@de.ibm.com