text: /* { dg-do run } */
  /* { dg-options "-O2 -mavx512f" } */
  /* { dg-require-effective-target avx512f } */
  
  #define AVX512F
  
  #include "avx512f-helper.h"
  
  #define SIZE (AVX512F_LEN / 64)
  #include "avx512f-mask-type.h"
  
  void static
  CALC (double *s, double *r)
  {
    int i;
  
    for (i = 0; i < SIZE/2; i++)
      {
        r[2 * i] = s[2 * i];
        r[2 * i + 1] = s[2 * i];
      }
  }
  
  void
  TEST (void)
  {
    UNION_TYPE (AVX512F_LEN, d) s, res1, res2, res3;
    MASK_TYPE mask = MASK_VALUE;
    double res_ref[SIZE];
    int i;
  
    for (i = 0; i < SIZE; i++)
      {
        s.a[i] = i * 123.2 + 32.6;
        res2.a[i] = DEFAULT_VALUE;
      }
  
    res1.x = INTRINSIC (_movedup_pd) (s.x);
    res2.x = INTRINSIC (_mask_movedup_pd) (res2.x, mask, s.x);
    res3.x = INTRINSIC (_maskz_movedup_pd) (mask, s.x);
  
    CALC (s.a, res_ref);
  
    if (UNION_CHECK (AVX512F_LEN, d) (res1, res_ref))
      abort ();
  
    MASK_MERGE (d) (res_ref, mask, SIZE);
    if (UNION_CHECK (AVX512F_LEN, d) (res2, res_ref))
      abort ();
  
    MASK_ZERO (d) (res_ref, mask, SIZE);
    if (UNION_CHECK (AVX512F_LEN, d) (res3, res_ref))
      abort ();
  }
  