OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.target/] [i386/] [avx2-i64gatherps-4.c] - Rev 848

Go to most recent revision | Compare with Previous | Blame | View Log

/* { dg-do run } */
/* { dg-require-effective-target avx2 } */
/* { dg-options "-O2 -mavx2" } */
 
#include <string.h>
#include "avx2-check.h"
 
static void
compute_i64gatherps (float *src,
		     float *s1,
		     long long *s2, float *mask, int scale, float *r)
{
  int i;
 
  for (i = 0; i < 2; ++i)
    if ((((int *) mask)[i] >> 31) & 1)
      r[i] = *(float *) (((unsigned char *) s1) + s2[i] * scale);
    else
      r[i] = src[i];
}
 
void static
avx2_test (void)
{
  int i;
  union128i_q idx;
  union128 res, src, mask;
  float s1[2], res_ref[4] = { 0 };
 
  for (i = 0; i < 2; ++i)
    {
      /* Set some stuff */
      s1[i] = 2.718281828459045 * (i + 1) * (i + 2);
 
      /* Set src as something different from s1 */
      src.a[i] = -s1[i];
 
      /* Mask out evens */
      ((int *) mask.a)[i] = i % 2 ? 0 : -1;
 
      /* About to gather in reverse order,
         divide by 2 to demonstrate scale */
      idx.a[i] = (8 - (i + 1) * 4) >> 1;
    }
 
  res.x = _mm_mask_i64gather_ps (src.x, s1, idx.x, mask.x, 2);
 
  compute_i64gatherps (src.a, s1, idx.a, mask.a, 2, res_ref);
 
  if (check_union128 (res, res_ref) != 0)
    abort ();
}
 

Go to most recent revision | Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.