1  /* { dg-do run } */
       2  /* { dg-options "-O2 -ffast-math -ftree-vectorize -msse4.1" } */
       3  /* { dg-require-effective-target sse4 } */
       4  
       5  #ifndef CHECK_H
       6  #define CHECK_H "sse4_1-check.h"
       7  #endif
       8  
       9  #ifndef TEST
      10  #define TEST sse4_1_test
      11  #endif
      12  
      13  #include CHECK_H
      14  
      15  #define __NO_MATH_INLINES
      16  #include "math_m_pi.h"
      17  
      18  #define NUM 64
      19  
      20  static void
      21  __attribute__((__target__("fpmath=sse")))
      22  init_src (float *src)
      23  {
      24    int i, sign = 1;
      25    float f = rand ();
      26  
      27    for (i = 0; i < NUM; i++)
      28      {
      29        src[i] = (i + 1) * f * M_PI * sign;
      30        if (i < (NUM / 2))
      31  	{
      32            if ((i % 6) == 0)
      33  	    f = f * src[i];
      34          }
      35        else if (i == (NUM / 2))
      36  	f = rand ();
      37        else if ((i % 6) == 0)
      38  	f = 1 / (f * (i + 1) * src[i] * M_PI * sign);
      39        sign = -sign;
      40      }
      41  }
      42  
      43  static void
      44  __attribute__((__target__("fpmath=387")))
      45  TEST (void)
      46  {
      47    float a[NUM];
      48    float r[NUM];
      49    int i;
      50  
      51    init_src (a);
      52  
      53    for (i = 0; i < NUM; i++)
      54      r[i] = __builtin_floorf (a[i]);
      55  
      56    /* check results:  */
      57    for (i = 0; i < NUM; i++)
      58      if (r[i] != __builtin_floorf (a[i]))
      59        abort();
      60  }