gcc/testsuite/gcc.target/i386/avx512f-vrcp14pd-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -mavx512f" } */
   3 /* { dg-require-effective-target avx512f } */
   4
   5 #define AVX512F
   6
   7 #include "avx512f-helper.h"
   8
   9 #define SIZE (AVX512F_LEN / 64)
  10 #include "avx512f-mask-type.h"
  11
  12 static void
  13 CALC (double *s, double *r)
  14 {
  15   int i;
  16
  17   for (i = 0; i < SIZE; i++)
  18     {
  19       r[i] = 1.0 / s[i];
  20     }
  21 }
  22
  23 void
  24 TEST (void)
  25 {
  26   UNION_TYPE (AVX512F_LEN, d) s, res1, res2, res3;
  27   MASK_TYPE mask = MASK_VALUE;
  28   double res_ref[SIZE];
  29   int i, sign = 1;
  30
  31   for (i = 0; i < SIZE; i++)
  32     {
  33       s.a[i] = 123.456 * (i + 2000) * sign;
  34       res2.a[i] = DEFAULT_VALUE;
  35       sign = -sign;
  36     }
  37
  38   res1.x = INTRINSIC (_rcp14_pd) (s.x);
  39   res2.x = INTRINSIC (_mask_rcp14_pd) (res2.x, mask, s.x);
  40   res3.x = INTRINSIC (_maskz_rcp14_pd) (mask, s.x);
  41
  42   CALC (s.a, res_ref);
  43
  44   if (UNION_ROUGH_CHECK (AVX512F_LEN, d) (res1, res_ref, 0.0001))
  45     abort ();
  46
  47   MASK_MERGE (d) (res_ref, mask, SIZE);
  48   if (UNION_ROUGH_CHECK (AVX512F_LEN, d) (res2, res_ref, 0.0001))
  49     abort ();
  50
  51   MASK_ZERO (d) (res_ref, mask, SIZE);
  52   if (UNION_ROUGH_CHECK (AVX512F_LEN, d) (res3, res_ref, 0.0001))
  53     abort ();
  54 }