Date: Fri, 23 Jul 1999 13:13:56 +1000 (EST) From: Douglas Thomas Crosher <dtc@scrooge.ee.swin.oz.au> To: cracauer@cons.org (Martin Cracauer) Cc: freebsd-current@freebsd.org Subject: Re: Proposed floating point changes (Re: Using float emulator on a system with FPU?) Message-ID: <199907230313.NAA17593@scrooge.ee.swin.oz.au> In-Reply-To: <19990723002908.A28851@cons.org> from "Martin Cracauer" at Jul 23, 99 00:29:08 am
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> + * The macro to choose one of these values does these steps: 1) Throw > + * away status word bits that cannot be masked. 2) Throw away the bits > + * currently masked in the control word, assuming the user isn't > + * interested in them anymore. 3) Reinsert status word bit 7 (stack Throwing away the status bits is rather restricting. This restriction could be avoided by passing back the status word within the third argument. A library function could be provided to implement your error code mapping while not limiting the kernel interface. Regards Douglas Crosher To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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