[PATCH, rs6000] Rev 2, 1/2 Add x86 MMX <mmintrin,h> intrinsics to GCC PPC64LE target

[Segher Boessenkool]

Hi!

On Mon, Jul 17, 2017 at 02:15:00PM -0500, Steven Munroe wrote:
> Correct the problems Segher found in review and added a changes to deal
> with the fallout from the __builtin_cpu_supports warning for older
> distros.
> 
> Tested on P8 LE and P6/P7/P8 BE. No new tests failures.
> 
> ./gcc/ChangeLog:
> 
> 2017-07-17  Steven Munroe  <munroesj@gcc.gnu.org>
> 
> 	* config.gcc (powerpc*-*-*): Add mmintrin.h.
> 	* config/rs6000/mmintrin.h: New file.
> 	* config/rs6000/x86intrin.h [__ALTIVEC__]: Include mmintrin.h.

Okay for trunk.  Thanks,


Segher