1  /* { dg-do run } */
       2  /* { dg-options "-O2 -ffast-math -ftree-vectorize -msse4.1" } */
       3  /* { dg-require-effective-target sse4 } */
       4  /* { dg-require-effective-target c99_runtime } */
       5  
       6  #ifndef CHECK_H
       7  #define CHECK_H "sse4_1-check.h"
       8  #endif
       9  
      10  #ifndef TEST
      11  #define TEST sse4_1_test
      12  #endif
      13  
      14  #include CHECK_H
      15  
      16  #define __NO_MATH_INLINES
      17  #include "math_m_pi.h"
      18  
      19  #define NUM 64
      20  
      21  static void
      22  __attribute__((__target__("fpmath=sse")))
      23  init_src (float *src)
      24  {
      25    int i, sign = 1;
      26    float f = rand ();
      27  
      28    for (i = 0; i < NUM; i++)
      29      {
      30        src[i] = (i + 1) * f * M_PI * sign;
      31        if (i < (NUM / 2))
      32  	{
      33            if ((i % 6) == 0)
      34  	    f = f * src[i];
      35          }
      36        else if (i == (NUM / 2))
      37  	f = rand ();
      38        else if ((i % 6) == 0)
      39  	f = 1 / (f * (i + 1) * src[i] * M_PI * sign);
      40        sign = -sign;
      41      }
      42  }
      43  
      44  static void
      45  __attribute__((__target__("fpmath=387")))
      46  TEST (void)
      47  {
      48    float a[NUM];
      49    int r[NUM];
      50    int i;
      51  
      52    init_src (a);
      53  
      54    for (i = 0; i < NUM; i++)
      55      r[i] = (int) __builtin_floorf (a[i]);
      56  
      57    /* check results:  */
      58    for (i = 0; i < NUM; i++)
      59      if (r[i] != (int) __builtin_floorf (a[i]))
      60        abort();
      61  }