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/* { dg-do run } */

/* { dg-require-effective-target avx } */

/* { dg-options "-O2 -mavx" } */

#include "avx-check.h"

#ifndef IMM8

#  define IMM8 99

#endif

void static

avx_test ()

{

    union256d source1, source2, u;

    double  s1[4]={1, 2, 3, 4};

    double  s2[4]={5, 6, 7, 8};

    double   e[4];

    source1.x = _mm256_loadu_pd(s1);

    source2.x = _mm256_loadu_pd(s2);

    u.x = _mm256_permute2f128_pd(source1.x, source2.x, IMM8);

    if(IMM8 & 8) e[0] = e[1] = 0;

    else{

        e[0] = (IMM8 & 2 ? s2 : s1)[(IMM8 & 1) * 2];

        e[1] = (IMM8 & 2 ? s2 : s1)[(IMM8 & 1) * 2 + 1];

    }

    if(IMM8 & 128) e[3] = e[3] = 0;

    else{

        unsigned m = (IMM8 >> 4) & 3;

        e[2] = (m & 2 ? s2 : s1)[(m & 1) * 2];

        e[3] = (m & 2 ? s2 : s1)[(m & 1) * 2 + 1];

    }

   if (check_union256d (u, e))

     abort ();

}