From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 45810 invoked by alias); 25 Sep 2017 21:23:40 -0000 Mailing-List: contact fortran-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: fortran-owner@gcc.gnu.org Received: (qmail 45785 invoked by uid 89); 25 Sep 2017 21:23:39 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=3.5 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,RP_MATCHES_RCVD,STOCK_QUOTE_BODY autolearn=no version=3.3.2 spammy=dje.gcc@gmail.com, djegccgmailcom, U*dje.gcc, sk:dje.gcc X-Spam-User: qpsmtpd, 3 recipients X-HELO: troutmask.apl.washington.edu Received: from troutmask.apl.washington.edu (HELO troutmask.apl.washington.edu) (128.95.76.21) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 25 Sep 2017 21:23:38 +0000 Received: from troutmask.apl.washington.edu (localhost [127.0.0.1]) by troutmask.apl.washington.edu (8.15.2/8.15.2) with ESMTPS id v8PLNaNS044332 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 25 Sep 2017 14:23:36 -0700 (PDT) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.15.2/8.15.2/Submit) id v8PLNZM3044331; Mon, 25 Sep 2017 14:23:35 -0700 (PDT) (envelope-from sgk) Date: Mon, 25 Sep 2017 21:23:00 -0000 From: Steve Kargl To: Janus Weil Cc: David Edelsohn , Janne Blomqvist , Fortran List , GCC Patches Subject: Re: [Patch, Fortran] PR 82143: add a -fdefault-real-16 flag Message-ID: <20170925212335.GA44284@troutmask.apl.washington.edu> Reply-To: sgk@troutmask.apl.washington.edu References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.7.2 (2016-11-26) X-IsSubscribed: yes X-SW-Source: 2017-09/txt/msg00107.txt.bz2 On Mon, Sep 25, 2017 at 11:14:42PM +0200, Janus Weil wrote: > 2017-09-25 17:07 GMT+02:00 David Edelsohn : > > promotion_3.f90 and promotion_4.f90 are failing on at least PowerPC > > and AArch64. Are these new tests limited to x86 or some long double > > assumptions? > > These tests require the availability of a 10- or 16-byte-wide REAL > type, respectively. I have to admit that I do not have a complete > overview of which targets in GCC's wide portfolio provide such a type. > > It seems that REAL(16) is supported via libquadmath on 32-bit x86, > x86-64 and Itanium at least. I'm not sure about REAL(10). > > Targets that do not support such a type probably need to be XFAILed. > Janus, I think you can control with a dg option dg-require-effective-target fortran_large_real See, for example, gfortran.dg/random_3.f90 -- Steve 20170425 https://www.youtube.com/watch?v=VWUpyCsUKR4 20161221 https://www.youtube.com/watch?v=IbCHE-hONow