From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id 2BA0D385840D for ; Sat, 8 Jan 2022 14:18:18 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 2BA0D385840D Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-621-sJ3wR_3rORKGuNgWObL4_g-1; Sat, 08 Jan 2022 09:18:14 -0500 X-MC-Unique: sJ3wR_3rORKGuNgWObL4_g-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C18891083F60; Sat, 8 Jan 2022 14:18:12 +0000 (UTC) Received: from tucnak.zalov.cz (unknown [10.2.16.169]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 709FD7E8C4; Sat, 8 Jan 2022 14:18:12 +0000 (UTC) Received: from tucnak.zalov.cz (localhost [127.0.0.1]) by tucnak.zalov.cz (8.16.1/8.16.1) with ESMTPS id 208EI9ZI1076338 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Sat, 8 Jan 2022 15:18:09 +0100 Received: (from jakub@localhost) by tucnak.zalov.cz (8.16.1/8.16.1/Submit) id 208EI8eb1076337; Sat, 8 Jan 2022 15:18:08 +0100 Date: Sat, 8 Jan 2022 15:18:07 +0100 From: Jakub Jelinek To: Thomas Koenig Cc: Michael Meissner , Segher Boessenkool , "fortran@gcc.gnu.org" , Peter Bergner , Bill Schmidt , gcc-patches@gcc.gnu.org, David Edelsohn Subject: Re: [power-ieee128] OPEN CONV Message-ID: <20220108141807.GV2646553@tucnak> Reply-To: Jakub Jelinek References: <20220107092202.GE2646553@tucnak> <28f0a876-7281-936d-f727-cb7067c052f9@netcologne.de> <20220107195220.GP2646553@tucnak> <332da363-1c64-e1bf-a05a-d412c600f580@netcologne.de> <20220107214813.GR2646553@tucnak> <124cfb8a-e3d0-207c-8dcb-bdfab29372cb@netcologne.de> <20220108110038.GS2646553@tucnak> <20220108111056.GT2646553@tucnak> <20220108140258.GU2646553@tucnak> <8aff0c01-1715-aa06-5823-ed92567c1ea6@netcologne.de> MIME-Version: 1.0 In-Reply-To: <8aff0c01-1715-aa06-5823-ed92567c1ea6@netcologne.de> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP 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: fortran@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Fortran mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 08 Jan 2022 14:18:19 -0000 On Sat, Jan 08, 2022 at 03:13:10PM +0100, Thomas Koenig wrote: > > On 08.01.22 15:02, Jakub Jelinek via Fortran wrote: > > Note, as for byteswapping, apparently it wasn't ever working right fox > > the IBM extended real(kind=16) and complex(kind=16). > > The lack of bug reports since the conversion feature was introduced in > 2006, more than 15 years ago, tells us something, I guess... powerpc64le was only introduced in GCC 4.8 in 2013, so slightly less than that, but still. Either nobody interchanges/shares fortran unformatted data between powerpc big and little endian, or if they do, they don't use real(kind=16) or complex(kind=16) in there... Jakub