Date: Sat, 19 Sep 2009 15:19:57 -0700 (PDT) From: Barney Cordoba <barney_cordoba@yahoo.com> To: freebsd-current@freebsd.org, Ivan Voras <ivoras@freebsd.org> Subject: Re: SSE register return with SSE disabled on AMD64 Message-ID: <507613.41733.qm@web63907.mail.re1.yahoo.com> In-Reply-To: <h93ga5$frd$1@ger.gmane.org>
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--- On Sat, 9/19/09, Ivan Voras <ivoras@freebsd.org> wrote:
> From: Ivan Voras <ivoras@freebsd.org>
> Subject: Re: SSE register return with SSE disabled on AMD64
> To: freebsd-current@freebsd.org
> Date: Saturday, September 19, 2009, 4:52 PM
> Barney Cordoba wrote:
> > What causes the error:
> >
> > "SSE register return with SSE disabled"
> >
> > Im getting it with seemingly simple math. Its in a
> module so I can
> > change the switches.
>
> Module, as in "kernel module"? Floating point math, and I
> believe by
> extension SSE and others, are not allowed in the kernel.
>
Yes, Kernel Module
It only seems to affect division, and it works fine in 32 bit mode,
so I don't think its floating point in general. Is there an emulator
function or something?
Barney
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