gcc/testsuite/gcc.target/i386/avx512f-vscalefsd-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-mavx512f -O2" } */
   3 /* { dg-require-effective-target avx512f } */
   4
   5 #include <math.h>
   6 #include "avx512f-check.h"
   7
   8 #define SIZE (128 / 64)
   9
  10 static void
  11 compute_scalefsd (double *s1, double *s2, double *r)
  12 {
  13   r[0] = s1[0] * pow (2, floor (s2[0]));
  14   r[1] = s1[1];
  15 }
  16
  17 void static
  18 avx512f_test (void)
  19 {
  20   union128d res1, s1, s2;
  21   double res_ref[SIZE];
  22   int i;
  23
  24   for (i = 0; i < SIZE; i++)
  25     {
  26       s1.a[i] = 11.5 * (i + 1);
  27       s2.a[i] = 10.5 * (i + 1);
  28     }
  29
  30   res1.x = _mm_scalef_sd (s1.x, s2.x);
  31
  32   compute_scalefsd (s1.a, s2.a, res_ref);
  33
  34   if (check_union128d (res1, res_ref))
  35     abort ();
  36 }