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/* { dg-do run } */
/* { dg-options "-mavx512f -O2" } */
/* { dg-require-effective-target avx512f } */
#include "avx512f-check.h"
#define SCALE 2
static void
compute_gatherdps (float *res, __mmask16 m16, int *idx,
float *src, int scale, float *r)
{
int i;
for (i = 0; i < 16; i++)
{
if (m16 & (1 << i))
r[i] = *(float *) (((unsigned char *) src) + idx[i] * scale);
else
r[i] = res[i];
}
}
static void
avx512f_test (void)
{
int i;
union512 res;
union512i_d idx;
float src[16];
float res_ref[16];
__mmask16 m16 = 0xBC5D;
res.x = _mm512_setzero_ps();
for (i = 0; i < 16; i++)
{
src[i] = 2.718281828459045 * (i + 1) * (i + 2);
/* About to gather in reverse order,
divide by 2 to demonstrate scale */
idx.a[i] = (64 - (i + 1) * 4) >> 1;
}
res.x = _mm512_mask_i32gather_ps (res.x, m16, idx.x, src, SCALE);
compute_gatherdps (res.a, m16, idx.a, src, SCALE, res_ref);
if (check_union512 (res, res_ref))
abort ();
res.x = _mm512_i32gather_ps (idx.x, src, SCALE);
compute_gatherdps (res.a, 0xFFFF, idx.a, src, SCALE, res_ref);
if (check_union512 (res, res_ref))
abort ();
}
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