[PATCH][mips] Add Octeon cnMips instructions mtmX and mtpX

[Daniel Sanders]

LGTM.

> -----Original Message-----
> From: Kai Nacke [mailto:kai.nacke at redstar.de]
> Sent: 31 March 2014 18:04
> To: llvm-commits; Daniel Sanders
> Subject: [PATCH][mips] Add Octeon cnMips instructions mtmX and mtpX
> 
> Hi all!
> 
> This patch adds the mentioned Octeon cnMips instructions. Requires my
> previous Octeon patch to apply cleanly. Test cases included.
> 
> Please review.
> 
> Regards,
> Kai