From owner-freebsd-amd64@FreeBSD.ORG Fri Feb 17 19:55:35 2012 Return-Path: Delivered-To: freebsd-amd64@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5C09F1065670 for ; Fri, 17 Feb 2012 19:55:35 +0000 (UTC) (envelope-from peter@wemm.org) Received: from mail-iy0-f182.google.com (mail-iy0-f182.google.com [209.85.210.182]) by mx1.freebsd.org (Postfix) with ESMTP id 25C758FC17 for ; Fri, 17 Feb 2012 19:55:34 +0000 (UTC) Received: by iaeo4 with SMTP id o4so6373191iae.13 for ; Fri, 17 Feb 2012 11:55:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wemm.org; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=fraT5383WGjojhF173JZkvD6fqGnVBTnOi22GhZ1wM4=; b=Hhe3qzMDLYad4WjrkARTcy0hIO/qg+cwMSqwd63ChQ8iZz0pyAZotxBLOVtsvFaWKt rU/Gk+mRqFQNHrZfGbxQrzwQk0yPau32warkDHnzw93S6g/biNLQVrrMMmD/zZw/tKiY WvYYBF+IpBNRskr/fgPTsk3eTKu0W0VvhkQII= MIME-Version: 1.0 Received: by 10.50.178.8 with SMTP id cu8mr28819igc.12.1329507067718; Fri, 17 Feb 2012 11:31:07 -0800 (PST) Received: by 10.231.3.79 with HTTP; Fri, 17 Feb 2012 11:31:07 -0800 (PST) In-Reply-To: <4F3EA37F.9010207@speakeasy.org> References: <4F3EA37F.9010207@speakeasy.org> Date: Fri, 17 Feb 2012 11:31:07 -0800 Message-ID: From: Peter Wemm To: "Thomas D. Dean" Content-Type: text/plain; charset=ISO-8859-1 X-Gm-Message-State: ALoCoQlZWqgOaxakbllaqXUzDrjqo/WUTxnWX89jDlM+mzwQLqdjBOq7cK7jk78eQc96HQGIxI3V Cc: freebsd-amd64@freebsd.org Subject: Re: Gcc46 and 128 Bit Floating Point X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Feb 2012 19:55:35 -0000 On Fri, Feb 17, 2012 at 10:59 AM, Thomas D. Dean wrote: [..] > gcc46 is generating 80-bit floating point instructions. > > The gcc docs state gcc46 will generate 128-bit instructions. > > I can get gfortran46 to generate 128-bit instructions. > > How do I get gcc46 to generate 128-bit floating point instructions? "As of gcc 4.3, a quadruple precision is also supported on x86, but as the nonstandard type __float128 rather than long double." -- Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com; KI6FJV "All of this is for nothing if we don't go to the stars" - JMS/B5 "If Java had true garbage collection, most programs would delete themselves upon execution." -- Robert Sewell