view gcc/testsuite/gcc.dg/vect/vect-31-big-array.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
line wrap: on
line source

/* { dg-require-effective-target vect_int } */

#include <stdarg.h>
#include "tree-vect.h"

#define N 256

struct t{
  int k[N];
  int l;
};

struct s{
  char a;	/* aligned */
  char b[N-1];  /* unaligned (offset 1B) */
  char c[N];    /* aligned (offset NB) */
  struct t d;   /* aligned (offset 2NB) */
  struct t e;   /* unaligned (offset 2N+4N+4 B) */
};

__attribute__ ((noinline))
int main1 ()
{
  int i;
  struct s tmp;

  /* unaligned */
  for (i = 0; i < N/2; i++)
    {
      tmp.b[i] = 5;
    }

  /* check results:  */
  for (i = 0; i <N/2; i++)
    {
      if (tmp.b[i] != 5)
        abort ();
    }

  /* aligned */
  for (i = 0; i < N/2; i++)
    {
      tmp.c[i] = 6;
    }

  /* check results:  */
  for (i = 0; i <N/2; i++)
    {
      if (tmp.c[i] != 6)
        abort ();
    }

  /* aligned */
  for (i = 0; i < N/2; i++)
    {
      tmp.d.k[i] = 7;
    }

  /* check results:  */
  for (i = 0; i <N/2; i++)
    {
      if (tmp.d.k[i] != 7)
        abort ();
    }

  /* unaligned */
  for (i = 0; i < N/2; i++)
    {
      tmp.e.k[i] = 8;
    }

  /* check results:  */
  for (i = 0; i <N/2; i++)
    {
      if (tmp.e.k[i] != 8)
        abort ();
    }

  return 0;
}

int main (void)
{
  check_vect ();

  return main1 ();
}

/* { dg-final { scan-tree-dump-times "vectorized 4 loops" 1 "vect" } } */