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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 20
static void
init_pblendb (char *src1, char *src2, char *mask, int seed)
{
int i, sign = 1;
for (i = 0; i < 32; i++)
{
src1[i] = (i + seed) * (i + seed) * sign;
src2[i] = (i + seed + 20) * sign;
sign = -sign;
if (sign > 0)
mask[i] = 1 << 7;
else
mask[i] = 0;
}
}
static void
calc_pblendb (char *src1, char *src2, char *mask, char *dst)
{
int i;
memcpy (dst, src1, 32);
for (i = 0; i < 32; i++)
if (mask[i] & (1 << 7))
dst[i] = src2[i];
}
static void
avx2_test (void)
{
union256i_b src1, src2, mask, dst;
char dst_ref[32];
int i;
for (i = 0; i < NUM; i++)
{
init_pblendb (src1.a, src2.a, mask.a, i);
dst.x = _mm256_blendv_epi8 (src1.x, src2.x, mask.x);
calc_pblendb (src1.a, src2.a, mask.a, dst_ref);
if (check_union256i_b (dst, dst_ref))
abort ();
}
}
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