> I think that for nios2 the correct entry is probably "SCpd", but the
> descriptions of some of the things in the table are too terse for me to
> be 100% sure that's correct.  E.g., the nios2 architecture doesn't
> include the concept of "condition codes" at all, so how many registers
> they might occupy seems irrelevant.

I think 'C' is the correct setting in this case.  The 'p' letter has been 
toggled so it can be removed for nios2 and I think that 'b' can be added.

I have installed the attached patch for nios2.

Thanks for the feedback.

-- 
Eric Botcazou