thorpej@zembu.com wrote

>> On Mon, May 29, 2000 at 06:23:57PM -0700, Tohru Nishimura wrote:
>> 
>>  > - MDP_FPUSED flag is not turned on for FPA-less processors like Vr4100
>>  >   and TX3900 even when processes execute FP insns.
>> 
>> ..but I assume that the state left by the emulated insns is still
>> stored in the PCB?

Ah, yes it is.

For Vr4100/TX3900 pcb_fpregs[] store works as software simulated FP
registers, and they are always available regardless the existence of
FPA.  MDP_FPUSED flag _is_ for delayed lazy FPA context switch, which
is not applicable for FPA-less processors. 

Tohru Nishimura