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Newsgroups: comp.os.386bsd.questions Path: sserve!newshost.anu.edu.au!munnari.oz.au!constellation!convex!convex!cs.utexas.edu!howland.reston.ans.net!vixen.cso.uiuc.edu!usenet.ucs.indiana.edu!bigbang.astro.indiana.edu!pitts From: pitts@bigbang.astro.indiana.edu (Jim Pitts) Subject: Re: FPU in FreeBSD? Message-ID: <CGA75o.G9F@usenet.ucs.indiana.edu> Sender: news@usenet.ucs.indiana.edu (USENET News System) Nntp-Posting-Host: bigbang.astro.indiana.edu Organization: Indiana University Astrophysics, Bloomington, IN References: <2bo8s7$c0r@nic.lth.se> <almCG9C2t.C1q@netcom.com> Date: Wed, 10 Nov 1993 15:03:24 GMT Lines: 25 In article <almCG9C2t.C1q@netcom.com> alm@netcom.com (Andrew Moore) writes: >In article <2bo8s7$c0r@nic.lth.se> jh@efd.lth.se (Joergen Haegg) writes: >>I noticed that some files in gcc was compiled with -NOFPU. >>Does this mean that I don't use the FPU in my 486 DX2? >> >>What should I do to get maximum floating-point performance in FreeBSD >>and my own programs? >>Is it enough to add '-m486'? > >You must recompile the compiler without NOFPU. >It is being distributed this way to avoid bugs in the current math emulator. >(The new math emulator which works correctly is ready to be installed, >we are just trying to clear up the wording in the copyright.) I have a quick question: FreeBSD-1.0-RELEASE XFree86-2.0 Do these packages use the numeric processor by default? If not, is it worth the effort to recompile so that it -does- use the FPU? Jim