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Re: Floating point questions

To: "Andrew R. Baker" <>
Subject: Re: Floating point questions
From: Ralf Baechle <>
Date: Tue, 18 Jan 2000 04:53:34 +0100
Cc: Ralf Baechle <>, Linux SGI <>
In-reply-to: <>
References: <> <>
On Mon, Jan 17, 2000 at 09:41:01PM -0600, Andrew R. Baker wrote:

> > correct one just leaves all exceptions disabled.
> > 
> > Btw, C9x provides interfaces to manipulate the exception bits.
> OK, I'll just set my test progs to clear the enable bits.

It may be hairy but I think you'll have to deal with exception sooner
or later ...

> I was basing my assumptions on what the sparc fpu system looked like.  The
> code seems to infer that, in SMP, the fp emulator can be run for a process
> that is not 'current'.  I'll stick with the direct access method than (I
> like it better anyway).
> I am going to try and add the rest of the ops this week and put something
> out for people to look at.  Then I will clean it up some.  Is there any
> disadvantage to leaving this as a module?

At least as in CVS the module doesn't make sense except for debugging -
we don't have a mechanism for loading it on demand.


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