gcc/testsuite/gcc.target/i386/avx512cd-vplzcntq-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -mavx512cd" } */
   3 /* { dg-require-effective-target avx512cd } */
   4
   5 #define HAVE_512
   6 #define AVX512CD
   7
   8 #include "avx512f-helper.h"
   9
  10 #define SIZE (AVX512F_LEN / 64)
  11 #include "avx512f-mask-type.h"
  12 #include <strings.h>
  13
  14 static void
  15 CALC (long long *s, long long *r)
  16 {
  17   int i, res;
  18
  19   for (i = 0; i < SIZE; i++)
  20     {
  21       res = 0;
  22       while ((res < 64) && (((s[i] >> (63 - res)) & 1) == 0))
  23         ++res;
  24       r[i] = res;
  25     }
  26 }
  27
  28 void
  29 TEST (void)
  30 {
  31   UNION_TYPE (AVX512F_LEN, i_q) s, res1, res2, res3;
  32   long long res_ref[SIZE];
  33   MASK_TYPE mask = MASK_VALUE;
  34   int i;
  35
  36   for (i = 0; i < SIZE; i++)
  37     {
  38       s.a[i] = 12345678 * (i % 5);
  39       res1.a[i] = DEFAULT_VALUE;
  40       res2.a[i] = DEFAULT_VALUE;
  41       res3.a[i] = DEFAULT_VALUE;
  42     }
  43
  44   res1.x = INTRINSIC (_lzcnt_epi64) (s.x);
  45   res2.x = INTRINSIC (_mask_lzcnt_epi64) (res2.x, mask, s.x);
  46   res3.x = INTRINSIC (_maskz_lzcnt_epi64) (mask, s.x);
  47
  48   CALC (s.a, res_ref);
  49
  50   if (UNION_CHECK (AVX512F_LEN, i_q) (res1, res_ref))
  51     abort ();
  52
  53   MASK_MERGE (i_q) (res_ref, mask, SIZE);
  54   if (UNION_CHECK (AVX512F_LEN, i_q) (res2, res_ref))
  55     abort ();
  56
  57   MASK_ZERO (i_q) (res_ref, mask, SIZE);
  58   if (UNION_CHECK (AVX512F_LEN, i_q) (res3, res_ref))
  59     abort ();
  60 }