emmintrin.h: Add _MM_SHUFFLE2.

gcc/ChangeLog:

2018-09-14  Carl Love  <cel@us.ibm.com>

	* config/rs6000/emmintrin.h: Add _MM_SHUFFLE2.
	* config/rs6000/xmmintrin.h: Add _MM_SHUFFLE.

From-SVN: r264317

gcc/ChangeLog

+2018-09-14  Carl Love  <cel@us.ibm.com>
+
+	* config/rs6000/emmintrin.h: Add _MM_SHUFFLE2.
+	* config/rs6000/xmmintrin.h: Add _MM_SHUFFLE.
+
 2018-09-14  Segher Boessenkool  <segher@kernel.crashing.org>
 
 	PR target/87224

gcc/config/rs6000/emmintrin.h

@@ -85,6 +85,9 @@ typedef double __m128d __attribute__ ((__vector_size__ (16), __may_alias__));
 typedef long long __m128i_u __attribute__ ((__vector_size__ (16), __may_alias__, __aligned__ (1)));
 typedef double __m128d_u __attribute__ ((__vector_size__ (16), __may_alias__, __aligned__ (1)));
 
+/* Define two value permute mask */
+#define _MM_SHUFFLE2(x,y) (((x) << 1) | (y))
+
 /* Create a vector with element 0 as F and the rest zero.  */
 extern __inline __m128d __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_set_sd (double __F)

gcc/config/rs6000/xmmintrin.h

@@ -57,6 +57,9 @@
 #ifndef _XMMINTRIN_H_INCLUDED
 #define _XMMINTRIN_H_INCLUDED
 
+/* Define four value permute mask */
+#define _MM_SHUFFLE(w,x,y,z) (((w) << 6) | ((x) << 4) | ((y) << 2) | (z))
+
 #include <altivec.h>
 
 /* Avoid collisions between altivec.h and strict adherence to C++ and