gcc/testsuite/gcc.target/i386/avx512f-floorf-sfix-vec-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -ffast-math -ftree-vectorize -mavx512f" } */
   3 /* { dg-require-effective-target avx512f } */
   4 /* { dg-skip-if "no M_PI" { vxworks_kernel } } */
   5
   6 #define __NO_MATH_INLINES
   7 #include <math.h>
   8 #include "avx512f-check.h"
   9
  10 #define NUM 64
  11
  12 static void
  13 __attribute__((__target__("fpmath=sse")))
  14 init_src (float *src)
  15 {
  16   int i, sign = 1;
  17   float f = rand ();
  18
  19   for (i = 0; i < NUM; i++)
  20     {
  21       src[i] = (i + 1) * f * M_PI * sign;
  22       if (i < (NUM / 2))
  23         {
  24           if ((i % 6) == 0)
  25             f = f * src[i];
  26         }
  27       else if (i == (NUM / 2))
  28         f = rand ();
  29       else if ((i % 6) == 0)
  30         f = 1 / (f * (i + 1) * src[i] * M_PI * sign);
  31       sign = -sign;
  32     }
  33 }
  34
  35 static void
  36 __attribute__((__target__("fpmath=387")))
  37 avx512f_test (void)
  38 {
  39   float a[NUM];
  40   int r[NUM];
  41   int i;
  42
  43   init_src (a);
  44
  45   for (i = 0; i < NUM; i++)
  46     r[i] = (int) floorf (a[i]);
  47
  48   /* check results:  */
  49   for (i = 0; i < NUM; i++)
  50     if (r[i] != (int) floorf (a[i]))
  51       abort();
  52 }