1  /* { dg-do run } */
       2  /* { dg-require-effective-target sse4 } */
       3  /* { dg-options "-O2 -msse4.1" } */
       4  
       5  #include "sse4_1-check.h"
       6  
       7  #ifdef DEBUG
       8  #include <stdio.h>
       9  #endif
      10  
      11  #include <xmmintrin.h>
      12  
      13  static void
      14  __attribute__((noinline))
      15  test (float *v)
      16  {
      17    union
      18      {
      19        __m128 x;
      20        float f[4];
      21      } u;
      22    unsigned int i;
      23    
      24    u.x = _mm_set_ps (v[3], v[2], v[1], v[0]);
      25  
      26    for (i = 0; i < sizeof (u) / sizeof (v[0]); i++)
      27      if (v[i] != u.f[i])
      28        {
      29  #ifdef DEBUG
      30  	printf ("%i: %f != %f\n", i, v[i], u.f[i]);
      31  #endif
      32  	abort ();
      33        }
      34  }
      35  
      36  static void
      37  sse4_1_test (void)
      38  {
      39    float v[4] = { -3, 2, 1, 9 };
      40    test (v);
      41  }