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/* { dg-do run } */
/* { dg-options "-mavx2 -O2" } */
/* { dg-require-effective-target avx2 } */
#include "avx2-check.h"
#include <string.h>
#define NUM 10
static void
init_permd (int *src1, int *src2, int seed)
{
int i, sign = 1;
for (i = 0; i < 8; i++)
{
src1[i] = (i + seed) * (i + seed) * sign;
src2[i] = (i + seed + 20) * sign;
sign = -sign;
}
}
static void
calc_permd (int *src1, int *src2, int *dst)
{
int i;
unsigned temp;
memcpy (dst, src1, 32);
for (i = 0; i < 8; i++)
{
temp = src2[i];
dst[i] = src1[temp & 7];
}
}
static void
avx2_test (void)
{
union256i_d src1, src2, dst;
int dst_ref[8];
int i;
for (i = 0; i < NUM; i++)
{
init_permd (src1.a, src2.a, i);
dst.x = _mm256_permutevar8x32_epi32 (src1.x, src2.x);
calc_permd (src1.a, src2.a, dst_ref);
if (check_union256i_d (dst, dst_ref))
abort ();
}
}
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