Viewing file:  avx512f-vpermi2ps-2.c (1.43 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-O2 -mavx512f" } */
/* { dg-require-effective-target avx512f } */
#define AVX512F
#include "avx512f-helper.h"
#define SIZE (AVX512F_LEN / 32)
#include "avx512f-mask-type.h"
#include "math.h"
static void
CALC (float *dst, float *src1, int *ind, float *src2)
{
int i;
for (i = 0; i < SIZE; i++)
{
unsigned long long offset = ind[i] & (SIZE - 1);
unsigned long long cond = ind[i] & SIZE;
dst[i] = cond ? src2[offset] : src1[offset];
}
}
void
TEST (void)
{
int i, k;
UNION_TYPE (AVX512F_LEN,) s1, s2, res;
UNION_TYPE (AVX512F_LEN, i_d) ind;
float res_ref[SIZE];
union
{
float f;
int i;
} ind_copy[SIZE];
MASK_TYPE mask = MASK_VALUE;
for (i = 0; i < SIZE; i++)
{
/* Some of the integer indexes may be interpreted as floating point
values in mask-merge mode, that's why we use IND_COPY. */
ind.a[i] = ind_copy[i].i = 17 * (i << 1);
s1.a[i] = 42.5 * i + 1;
s2.a[i] = 22.5 * i;
res.a[i] = DEFAULT_VALUE;
}
CALC (res_ref, s1.a, ind.a, s2.a);
res.x = INTRINSIC (_mask2_permutex2var_ps) (s1.x, ind.x, mask, s2.x);
/* Standard MASK_MERGE cannot be used since VPERMI2PS in mask-merge mode
merges vectors of two different types (_m512 and __m512i). */
for (k = 0; k < SIZE; k++)
res_ref[k] = (mask & (1LL << k)) ? res_ref[k] : ind_copy[k].f;
if (UNION_CHECK (AVX512F_LEN,) (res, res_ref))
abort ();
}
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