1  /* { dg-do run } */
       2  /* { dg-require-effective-target arm_neon_hw } */
       3  /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details" } */
       4  /* { dg-add-options "arm_neon" } */
       5  
       6  extern void abort ();
       7  
       8  #define N 16
       9  float a[N] = {-0.1f, -3.2f, -6.3f, -9.4f,
      10  	      -12.5f, -15.6f, -18.7f, -21.8f,
      11  	      24.9f, 27.1f, 30.2f, 33.3f,
      12  	      36.4f, 39.5f, 42.6f, 45.7f};
      13  float b[N] = {-1.2f, 3.4f, -5.6f, 7.8f,
      14  	      -9.0f, 1.0f, -2.0f, 3.0f,
      15  	      -4.0f, -5.0f, 6.0f, 7.0f,
      16  	      -8.0f, -9.0f, 10.0f, 11.0f};
      17  float r[N];
      18  
      19  int
      20  main (void)
      21  {
      22    int i;
      23  
      24    for (i = 0; i < N; i++)
      25      r[i] = __builtin_copysignf (a[i], b[i]);
      26  
      27    /* check results:  */
      28    for (i = 0; i < N; i++)
      29      if (r[i] != __builtin_copysignf (a[i], b[i]))
      30        abort ();
      31  
      32    return 0;
      33  }
      34  
      35  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */