adding the DG tests.

2017-07-21  Steven Munroe  <munroesj@gcc.gnu.org>

	* gcc.target/powerpc/mmx-check.h: New file.
	* gcc.target/powerpc/mmx-packs.c: New file.
	* gcc.target/powerpc/mmx-packssdw-1.c: New file.
	* gcc.target/powerpc/mmx-packsswb-1.c: New file.
	* gcc.target/powerpc/mmx-packuswb-1.c: New file.
	* gcc.target/powerpc/mmx-paddb-1.c: New file.
	* gcc.target/powerpc/mmx-paddd-1.c: New file.
	* gcc.target/powerpc/mmx-paddsb-1.c: New file.
	* gcc.target/powerpc/mmx-paddsw-1.c: New file.
	* gcc.target/powerpc/mmx-paddusb-1.c: New file.
	* gcc.target/powerpc/mmx-paddusw-1.c: New file.
	* gcc.target/powerpc/mmx-paddw-1.c: New file.
	* gcc.target/powerpc/mmx-pcmpeqb-1.c: New file.
	* gcc.target/powerpc/mmx-pcmpeqd-1.c: New file.
	* gcc.target/powerpc/mmx-pcmpeqw-1.c: New file.
	* gcc.target/powerpc/mmx-pcmpgtb-1.c: New file.
	* gcc.target/powerpc/mmx-pcmpgtd-1.c: New file.
	* gcc.target/powerpc/mmx-pcmpgtw-1.c: New file.
	* gcc.target/powerpc/mmx-pmaddwd-1.c: New file.
	* gcc.target/powerpc/mmx-pmulhw-1.c: New file.
	* gcc.target/powerpc/mmx-pmullw-1.c: New file.
	* gcc.target/powerpc/mmx-pslld-1.c: New file.
	* gcc.target/powerpc/mmx-psllw-1.c: New file.
	* gcc.target/powerpc/mmx-psrad-1.c: New file.
	* gcc.target/powerpc/mmx-psraw-1.c: New file.
	* gcc.target/powerpc/mmx-psrld-1.c: New file.
	* gcc.target/powerpc/mmx-psrlw-1.c: New file.
	* gcc.target/powerpc/mmx-psubb-2.c: New file.
	* gcc.target/powerpc/mmx-psubd-2.c: New file.
	* gcc.target/powerpc/mmx-psubsb-1.c: New file.
	* gcc.target/powerpc/mmx-psubsw-1.c: New file.
	* gcc.target/powerpc/mmx-psubusb-1.c: New file.
	* gcc.target/powerpc/mmx-psubusw-1.c: New file.
	* gcc.target/powerpc/mmx-psubw-2.c: New file.
	* gcc.target/powerpc/mmx-punpckhbw-1.c: New file.
	* gcc.target/powerpc/mmx-punpckhdq-1.c: New file.
	* gcc.target/powerpc/mmx-punpckhwd-1.c: New file.
	* gcc.target/powerpc/mmx-punpcklbw-1.c: New file.
	* gcc.target/powerpc/mmx-punpckldq-1.c: New file.
	* gcc.target/powerpc/mmx-punpcklwd-1.c: New file.

From-SVN: r250432