[PATCH, SPU] Improved __divdf3 routine

[trevor_smigiel@playstation.sony.com]

Hi Ulrich,

Yes, this is OK for mainline.

Trevor

* Ulrich Weigand <uweigand@de.ibm.com> [2009-03-25 13:35]:
> Hello,
> 
> this patch adds an optimized version of the divdf3 routine for
> the SPU.  It is fully vectorized, but even if used just for scalar
> operations, it is still more than twice as fast than the default
> routine.  In addition, it supports non-default rounding modes a lot
> better than the fp-bit.c implementation.
> 
> The implementation is taken from Dan Brokenshire's most current
> version of the SIMDmath library code.
> 
> Tested on spu-elf with no regressions.
> 
> OK for mainline?
> 
> Bye,
> Ulrich
>