Date: Thu, 2 Jan 97 15:28:43 +0100 From: cracauer@wavehh.hanse.de (Martin Cracauer) To: bde@zeta.ORG.AU Cc: freebsd-current@freebsd.org Subject: Re: i586-optimized copyin/out still broken Message-ID: <9701021428.AA25876@wavehh.hanse.de> References: <199612281235.XAA17631@godzilla.zeta.org.au>
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Bruce Evans wrote: >>bde 96/12/28 04:18:46 >> >> Modified: sys/i386/isa npx.c >> Log: >> Disabled i586-optimized copyin and copyout again. The fault handler >> is still broken - it doesn't restore the floating point state. >> >> 2.2-BETA users should disable it using npx0 flags 0x04 the same as >> 2.2-ALPHA users should have. >> >> Revision Changes Path >> 1.35 +3 -1 src/sys/i386/isa/npx.c >Already disabled in in 2.2 too. Could this problem result in NaN being produced at wrong places. I filled a PR (2142) about it, maybe it could be closed then. Martin -- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Martin_Cracauer@wavehh.hanse.de http://cracauer.cons.org Fax.: +4940 5228536 "As far as I'm concerned, if something is so complicated that you can't ex- plain it in 10 seconds, then it's probably not worth knowing anyway"- Calvin
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