[PATCH] powerpc: remove fpscr use from [kvm_]cvt_{fd,df}

[Michael Neuling]

> > Do some 32 bit processors need this? 
> > 
> > In 32 bit before the merge, we use to have code that did:
> > 
> >   #if defined(CONFIG_4xx) || defined(CONFIG_E500)
> >    #define cvt_fd without save/restore fpscr
> >   #else
> >    #define cvt_fd with save/restore fpscr
> >   #end if
> > 
> > Kumar; does this ring any bells?
> 
> I don't see anything in the various 440 docs I have at hand that would
> hint at lfd/stfs adffecting FPSCR.

The way the ifdefs are, it's the other way around.  4xx procs don't need
to save/restore fpscr and others do.

Mikey