SPARC fp_disabled exception

[Joel Sherrill]

Ingolf Steinbach wrote:
> 2008/8/6 Jiri Gaisler <jiri at gaisler.com>:
>   
>> If gcc cannot be fixed somehow, then the RTEMS_FLOATING_POINT
>> attribute must be global for the sparc port - either all or none
>> threads use the FPU.
>>     
>
> In addition to RTEMS /tasks/, interrupt service routines might be
> affected by this "optimization", too. AFAIK, there is nothing like
> RTEMS_FLOATING_POINT for ISRs.
>   
No there isn't.  We have discussed offline adding a
standard API service so the user could declare
an FPU context, save and then restore it under their
own control.
> Ingolf
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>   


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