1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -msse2" } */
       3  
       4  #include <emmintrin.h>
       5  
       6  __m128i
       7  foo1 (__m128i s1, __m128i s2)
       8  {
       9    return _mm_unpackhi_epi64 (s1, s2); 
      10  }
      11  
      12  __m128i
      13  foo2 (__m128i s1, __m128i s2)
      14  {
      15    return _mm_unpacklo_epi64 (s1, s2); 
      16  }
      17  
      18  /* { dg-final { scan-assembler "punpcklqdq" } } */
      19  /* { dg-final { scan-assembler "punpckhqdq" } } */