From owner-freebsd-current@FreeBSD.ORG Tue Sep 11 14:56:04 2012 Return-Path: Delivered-To: current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 0DDCD10656FD; Tue, 11 Sep 2012 14:56:03 +0000 (UTC) (envelope-from dim@FreeBSD.org) Received: from tensor.andric.com (tensor.andric.com [87.251.56.140]) by mx1.freebsd.org (Postfix) with ESMTP id BF4418FC12; Tue, 11 Sep 2012 14:56:02 +0000 (UTC) Received: from [IPv6:2001:7b8:3a7:0:897e:8083:4c98:946f] (unknown [IPv6:2001:7b8:3a7:0:897e:8083:4c98:946f]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by tensor.andric.com (Postfix) with ESMTPSA id 34D1C5C43; Tue, 11 Sep 2012 16:56:00 +0200 (CEST) Message-ID: <504F5101.8090906@FreeBSD.org> Date: Tue, 11 Sep 2012 16:56:01 +0200 From: Dimitry Andric Organization: The FreeBSD Project User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/20120905 Thunderbird/16.0 MIME-Version: 1.0 To: Tijl Coosemans References: <20120910211207.GC64920@lor.one-eyed-alien.net> <20120911104518.GF37286@deviant.kiev.zoral.com.ua> <20120911120649.GA52235@freebsd.org> <20120911132410.GA87126@troutmask.apl.washington.edu> <504F4645.4070900@FreeBSD.org> <504F4A6B.4010001@coosemans.org> In-Reply-To: <504F4A6B.4010001@coosemans.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: toolchain@FreeBSD.org, current@FreeBSD.org, Steve Kargl Subject: Re: Clang as default compiler November 4th X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Sep 2012 14:56:04 -0000 On 2012-09-11 16:27, Tijl Coosemans wrote:> On 11-09-2012 16:10, Dimitry Andric wrote: ... >> Yes, maths support, specifically precision, is admittedly still one of >> clang's (really llvm's) weaker points. It is currently not really a >> high priority item for upstream. >> >> This is obviously something that a certain part of our userbase will >> care a lot about, while most of the time they won't care so much about >> licensing or politics. So those people are probably better off using >> gcc for the time being. > > Does it affect the accuracy of libm functions? It seems to, at least in specific cases; Steve posted about this in an earlier thread on -current: http://docs.freebsd.org/cgi/mid.cgi?20120905221310.GA97847