gcc/testsuite/gcc.target/i386/avx512er-vrcp28pd-2.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx512er } */
   3 /* { dg-options "-O2 -mavx512er" } */
   4
   5 #include "avx512er-check.h"
   6 #include "avx512f-mask-type.h"
   7 #include "avx512f-helper.h"
   8
   9 void static
  10 compute_vrcp28pd (double *s, double *r)
  11 {
  12   int i;
  13   for (i = 0; i < 8; i++)
  14     r[i] = 1.0 / s[i];
  15 }
  16
  17 void static
  18 avx512er_test (void)
  19 {
  20   union512d src, res1, res2, res3;
  21   __mmask8 mask = MASK_VALUE;
  22   double res_ref[8];
  23   int i;
  24
  25   for (i = 0; i < 8; i++)
  26     {
  27       src.a[i] = 179.345 - 6.5645 * i;
  28       res2.a[i] = DEFAULT_VALUE;
  29     }
  30
  31   res1.x = _mm512_rcp28_pd (src.x);
  32   res2.x = _mm512_mask_rcp28_pd (res2.x, mask, src.x);
  33   res3.x = _mm512_maskz_rcp28_pd (mask, src.x);
  34
  35   compute_vrcp28pd (src.a, res_ref);
  36
  37   if (check_rough_union512d (res1, res_ref, 0.0001))
  38     abort ();
  39
  40   MASK_MERGE (d) (res_ref, mask, 8);
  41   if (check_rough_union512d (res2, res_ref, 0.0001))
  42     abort ();
  43
  44   MASK_ZERO (d) (res_ref, mask, 8);
  45   if (check_rough_union512d (res3, res_ref, 0.0001))
  46     abort ();
  47 }