gcc/testsuite/gcc.target/i386/avx512f-ceil-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 extern double ceil (double);
  11
  12 #define NUM 64
  13
  14 static void
  15 __attribute__((__target__("fpmath=sse")))
  16 init_src (double *src)
  17 {
  18   int i, sign = 1;
  19   double f = rand ();
  20
  21   for (i = 0; i < NUM; i++)
  22     {
  23       src[i] = (i + 1) * f * M_PI * sign;
  24       if (i < (NUM / 2))
  25         {
  26           if ((i % 6) == 0)
  27             f = f * src[i];
  28         }
  29       else if (i == (NUM / 2))
  30         f = rand ();
  31       else if ((i % 6) == 0)
  32         f = 1 / (f * (i + 1) * src[i] * M_PI * sign);
  33       sign = -sign;
  34     }
  35 }
  36
  37 static void
  38 __attribute__((__target__("fpmath=387")))
  39 avx512f_test (void)
  40 {
  41   double a[NUM];
  42   int r[NUM];
  43   int i;
  44
  45   init_src (a);
  46
  47   for (i = 0; i < NUM; i++)
  48     r[i] = (int) ceil (a[i]);
  49
  50   /* check results:  */
  51   for (i = 0; i < NUM; i++)
  52     if (r[i] != (int) ceil (a[i]))
  53       abort();
  54 }