Date: Wed, 12 Sep 2012 16:42:27 -0500 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Dimitry Andric <dim@FreeBSD.org> Cc: toolchain@FreeBSD.org, Tijl Coosemans <tijl@coosemans.org>, current@FreeBSD.org, Steve Kargl <sgk@troutmask.apl.washington.edu> Subject: Re: Clang as default compiler November 4th Message-ID: <505101C3.70203@freebsd.org> In-Reply-To: <504F5101.8090906@FreeBSD.org> 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> <504F5101.8090906@FreeBSD.org>
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On 09/11/12 09:56, Dimitry Andric wrote: > 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 > _______________________________________________ If true, this is a serious problem, especially for those of us who use FreeBSD in a scientific computing environment. -Nathan
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