gcc/testsuite/gcc.target/i386/avx512f-vpermi2q-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 #include "math.h"
  12
  13 static void
  14 CALC (long long *dst, long long *src1, long long *ind, long long *src2)
  15 {
  16   int i;
  17
  18   for (i = 0; i < SIZE; i++)
  19     {
  20       unsigned long long offset = ind[i] & (SIZE - 1);
  21       unsigned long long cond = ind[i] & SIZE;
  22
  23       dst[i] = cond ? src2[offset] : src1[offset];
  24     }
  25 }
  26
  27 void
  28 TEST (void)
  29 {
  30   int i;
  31   UNION_TYPE (AVX512F_LEN, i_q) s1, s2, res, ind;
  32   long long res_ref[SIZE];
  33
  34   MASK_TYPE mask = MASK_VALUE;
  35
  36   for (i = 0; i < SIZE; i++)
  37     {
  38       ind.a[i] = DEFAULT_VALUE;
  39       s1.a[i] = 34 * i + 1;
  40       s2.a[i] = 34 * i;
  41
  42       res.a[i] = DEFAULT_VALUE;
  43     }
  44
  45   CALC (res_ref, s1.a, ind.a, s2.a);
  46
  47   res.x =
  48     INTRINSIC (_mask2_permutex2var_epi64) (s1.x, ind.x, mask, s2.x);
  49
  50   MASK_MERGE (i_q) (res_ref, mask, SIZE);
  51   if (UNION_CHECK (AVX512F_LEN, i_q) (res, res_ref))
  52     abort ();
  53 }