Viewing file:  avx512f-i32scatterd512-2.c (1.04 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do run } */
/* { dg-options "-mavx512f -O2" } */
/* { dg-require-effective-target avx512f } */
#include "avx512f-check.h"
#define SCALE 2
static void
compute_scatterdd (__mmask16 m16, int *idx,
int *src, int scale, int *r)
{
int i;
for (i = 0; i < 16; i++)
{
if (m16 & (1 << i))
*(int *) (((unsigned char *) r) + idx[i] * scale) = src[i];
}
}
static void
avx512f_test (void)
{
int i;
union512i_d src, idx;
int res[16] = { 0 };
int res_ref[16] = { 0 };
__mmask16 m16 = 0xBC5D;
for (i = 0; i < 16; i++)
{
src.a[i] = 1973 * (i + 1) * (i + 2);
/* About to gather in reverse order,
divide by 2 to demonstrate scale */
idx.a[i] = (64 - (i + 1) * 4) >> 1;
}
_mm512_mask_i32scatter_epi32 (res, m16, idx.x, src.x, SCALE);
compute_scatterdd (m16, idx.a, src.a, SCALE, res_ref);
if (checkVi (res, res_ref, 16))
abort ();
_mm512_i32scatter_epi32 (res, idx.x, src.x, SCALE);
compute_scatterdd (0xFFFF, idx.a, src.a, SCALE, res_ref);
if (checkVi (res, res_ref, 16))
abort ();
}
|
