Date: Mon, 7 Feb 2011 02:57:47 +0100 (CET) From: Gerald Pfeifer <gerald@pfeifer.com> To: David Schultz <das@freebsd.org> Cc: "Pedro F. Giffuni" <giffunip@yahoo.com>, freebsd-toolchain@freebsd.org Subject: Re: -fno-math-errno by default Message-ID: <alpine.LNX.2.00.1102070248110.8943@gerinyyl> In-Reply-To: <20110206221335.GA76984@zim.MIT.EDU> References: <alpine.LNX.2.00.1102062007490.8943@gerinyyl> <20110206221335.GA76984@zim.MIT.EDU>
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On Sun, 6 Feb 2011, David Schultz wrote: > That is correct. Basically nobody sets errno in the math library > anymore, except for compatibility with old apps written for the > System V math library. BSD never has and never will. IEEE 754 > floating point exception flags are much saner and faster. Thanks for the confirmation, David! > I submitted a change request to gcc about 2.5 years ago: > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37073 Uh, that's not good. That is, you did the right thing, just Loren as the upstream FreeBSD maintainer must have missed it somehow. I'll see what I can do about it. (I also checked, and this plus the one on -mfancy-math-387 are the only open issues from someone @freebsd.org.) Gerald
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