1  /* { dg-do compile } */
       2  /* { dg-options "-O -msse2" } */
       3  
       4  #include <emmintrin.h>
       5  
       6  double f(){
       7    __m128d x = _mm_set1_pd (0.);
       8    double r = 42;
       9    _mm_storeh_pd (&r, x);
      10    return r;
      11  }
      12  
      13  /* { dg-final { scan-assembler-not "unpckhpd" } } */