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Index: gcc/config/rs6000/emmintrin.h
===================================================================
--- gcc/config/rs6000/emmintrin.h	(revision 265318)
+++ gcc/config/rs6000/emmintrin.h	(working copy)
@@ -85,7 +85,7 @@ typedef double __m128d __attribute__ ((__vector_si
 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 two value permute mask.  */
 #define _MM_SHUFFLE2(x,y) (((x) << 1) | (y))

 /* Create a vector with element 0 as F and the rest zero.  */
@@ -201,7 +201,7 @@ _mm_store_pd (double *__P, __m128d __A)
 extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_storeu_pd (double *__P, __m128d __A)
 {
-  *(__m128d *)__P = __A;
+  *(__m128d_u *)__P = __A;
 }

 /* Stores the lower DPFP value.  */
@@ -2175,7 +2175,7 @@ _mm_maskmoveu_si128 (__m128i __A, __m128i __B, cha
 {
   __v2du hibit = { 0x7f7f7f7f7f7f7f7fUL, 0x7f7f7f7f7f7f7f7fUL};
   __v16qu mask, tmp;
-  __m128i *p = (__m128i*)__C;
+  __m128i_u *p = (__m128i_u*)__C;

   tmp = (__v16qu)_mm_loadu_si128(p);
   mask = (__v16qu)vec_cmpgt ((__v16qu)__B, (__v16qu)hibit);
Index: gcc/config/rs6000/xmmintrin.h
===================================================================
--- gcc/config/rs6000/xmmintrin.h	(revision 265318)
+++ gcc/config/rs6000/xmmintrin.h	(working copy)
@@ -85,6 +85,10 @@
    vector types, and their scalar components.  */
 typedef float __m128 __attribute__ ((__vector_size__ (16), __may_alias__));

+/* Unaligned version of the same type.  */
+typedef float __m128_u __attribute__ ((__vector_size__ (16), __may_alias__,
+				       __aligned__ (1)));
+
 /* Internal data types for implementing the intrinsics.  */
 typedef float __v4sf __attribute__ ((__vector_size__ (16)));

@@ -172,7 +176,7 @@ _mm_store_ps (float *__P, __m128 __A)
 extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_storeu_ps (float *__P, __m128 __A)
 {
-  *(__m128 *)__P = __A;
+  *(__m128_u *)__P = __A;
 }

 /* Store four SPFP values in reverse order.  The address must be aligned.  */

From-SVN: r265389