From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 113028 invoked by alias); 13 Mar 2018 12:04:26 -0000 Mailing-List: contact gcc-help-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-help-owner@gcc.gnu.org Received: (qmail 113019 invoked by uid 89); 13 Mar 2018 12:04:25 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.1 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham version=3.3.2 spammy=H*f:sk:d4f213d, H*i:sk:d4f213d X-HELO: mail-it0-f49.google.com Received: from mail-it0-f49.google.com (HELO mail-it0-f49.google.com) (209.85.214.49) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 13 Mar 2018 12:04:24 +0000 Received: by mail-it0-f49.google.com with SMTP id j7-v6so15934283ita.3 for ; Tue, 13 Mar 2018 05:04:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=9I7+d2B2p0kC3Mgx6S+xT+VVapajcOPuRGvrnGwYTb8=; b=TBT+SbycXqqZBTRyu+d8XguMURIHhAEGlEESHqLqVPwjuPFBlrdq9XHGESRg6LoLMA cNJnSQSvJbXD7CwMJo3b6Td9XmsBnwyOh4uh2RhMnt3JvVRch+K7jNuFXFxLBXJfxCTW dMENOD4OmkFxUitcIO5H/VG8T3yTvfjeaN146WslVGGCINLNz49IWCzGOsCVmAp+1dRq nJ4iN1i3tXRCWRb8zH1l7LXCl2EjFx/HgHLL/wcuZbTwYkEbNLZ4TzvSiiDXqZ2RPey6 4aJjKN1+hl5BKzTJX+4FFWsmVhGztsJ0HxTHlzOmeSTnRVnwlZepNaJN3ov7Ex53e4b1 kwHQ== X-Gm-Message-State: AElRT7FL7xU65CxbIr35nH9IQwvYT/TGo7hUxvKL0lhr2O4Ytm5hETQs QQpesbG0ndhe3Us3LkS//A+3GeJxO3YaktYcHz8= X-Google-Smtp-Source: AG47ELvbZafDQxTYSUtlkRBwtPfWky8lvLMiYj2njlmcUYbmkTMhfbuROaeMsyEMsoobaKzo6hCVL9xE/5Xd3/2wbYo= X-Received: by 10.36.90.141 with SMTP id v135mr2176343ita.1.1520942662785; Tue, 13 Mar 2018 05:04:22 -0700 (PDT) MIME-Version: 1.0 Received: by 10.107.50.83 with HTTP; Tue, 13 Mar 2018 05:04:21 -0700 (PDT) In-Reply-To: References: From: Jonathan Wakely Date: Tue, 13 Mar 2018 12:04:00 -0000 Message-ID: Subject: Re: The new 128-bit floating point _Float128 per ISO/IEC/IEEE 60559:2011 ?? To: Dennis Clarke Cc: "gcc-help@gcc.gnu.org" Content-Type: text/plain; charset="UTF-8" X-IsSubscribed: yes X-SW-Source: 2018-03/txt/msg00037.txt.bz2 On 13 March 2018 at 02:47, Dennis Clarke wrote: > > > I did some digging and found that the new floating point types[1] really > only exist in a few architectures. Near as I can tell. However I have > yet to see them. Yet. Working on it. I am not sure if the Debian > packages for gcc allow them nor sure if the kernel config even has the > options yet. Certianly math emulation can be done but actual software > implementations of _Float128? I don't *yet* know. I have linux kernel > 4.15.9 on ppc64 however that won't suffice. Certainly won't work on > plain jane 32-bit x86 either regardless of kernel rev. The kernel has nothing to do with it, does it? The requirements are on GCC and glibc.