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Date:      Wed, 10 Jun 1998 14:41:20 +0200 (MET DST)
From:      Luigi Rizzo <luigi@labinfo.iet.unipi.it>
To:        luigi@labinfo.iet.unipi.it (Luigi Rizzo)
Cc:        current@FreeBSD.ORG
Subject:   Re: floating point usage within the kernel - howto ?
Message-ID:  <199806101241.OAA19820@labinfo.iet.unipi.it>
In-Reply-To: <199806101239.OAA19796@labinfo.iet.unipi.it> from "Luigi Rizzo" at Jun 10, 98 02:38:44 pm

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forgot to say, i don't expect this to be something portable across
architectures :)

	luigi

> a local user has a need to do some Floating Point computations within
> the kernel. I think this is not possible without explicitly
> saving&restoring the FP register around the task, is this correct ?
> And if this is true, is there any trick/asm routine to call to do the
> saving & restoring of the registers ?
> 
> 	thanks
> 	luigi
> -----------------------------+--------------------------------------
> Luigi Rizzo                  |  Dip. di Ingegneria dell'Informazione
> email: luigi@iet.unipi.it    |  Universita' di Pisa
> tel: +39-50-568533           |  via Diotisalvi 2, 56126 PISA (Italy)
> fax: +39-50-568522           |  http://www.iet.unipi.it/~luigi/
> _____________________________|______________________________________
> 


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