1  /* { dg-do run } */
       2  /* { dg-options "-mavx2 -O2" } */
       3  /* { dg-require-effective-target avx2 } */
       4  
       5  #include "avx2-check.h"
       6  #include <string.h>
       7  
       8  #define NUM 10
       9  
      10  #define MASK 0xf1
      11  
      12  static void
      13  init_permq (unsigned long long *src1, int seed)
      14  {
      15    int i, sign = 1;
      16  
      17    for (i = 0; i < 4; i++)
      18      {
      19        src1[i] = (i + seed) * (i + seed) * sign;
      20        sign = -sign;
      21      }
      22  }
      23  
      24  static void
      25  calc_permq (unsigned long long *src1, unsigned int mask,
      26  	    unsigned long long *dst)
      27  {
      28    int i, temp;
      29  
      30    for (i = 0; i < 4; i++)
      31      {
      32        temp = (mask >> (2 * i)) & 3;
      33        dst[i] = src1[temp];
      34      }
      35  }
      36  
      37  static void
      38  avx2_test (void)
      39  {
      40    union256i_q src1, dst;
      41    unsigned long long dst_ref[4];
      42    int i;
      43  
      44    for (i = 0; i < NUM; i++)
      45      {
      46        init_permq (src1.a, i);
      47  
      48        dst.x = _mm256_permute4x64_epi64 (src1.x, MASK);
      49        calc_permq (src1.a, MASK, dst_ref);
      50  
      51        if (check_union256i_q (dst, dst_ref))
      52  	abort ();
      53      }
      54  }