1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -msse2" } */
       3  /* { dg-require-effective-target lp64 } */
       4  /* { dg-final { scan-assembler "movq\t%xmm0" } } */
       5  
       6  #include <emmintrin.h>
       7  __m128d reg;
       8  void set_lower(double b)
       9  {
      10    double v[2];
      11    _mm_store_pd(v, reg);
      12    v[0] = b;
      13    reg = _mm_load_pd(v);
      14  }