1  /* { dg-do run } */
       2  /* { dg-options "-O2 -msse2" } */
       3  /* { dg-require-effective-target sse2 } */
       4  
       5  #include "sse2-check.h"
       6  
       7  #include <emmintrin.h>
       8  
       9  __m128d reg = { 2.0, 4.0 };
      10  
      11  void
      12  __attribute__((noinline))
      13  set_lower (double b)
      14  {
      15    double v[2];
      16    _mm_store_pd(v, reg);
      17    v[0] = b;
      18    reg = _mm_load_pd(v);
      19  }
      20  
      21  static void
      22  sse2_test (void)
      23  {
      24    set_lower (6.0);
      25  
      26    if (reg[1] != 4.0)
      27      __builtin_abort ();
      28  }