Subversion Repositories openrisc_2011-10-31

/* { dg-require-effective-target size32plus } */
 
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#endif
 
#define N 200
 
int a[N][N];
int b[N][N];
 
static int __attribute__((noinline))
foo (void)
{
  int i, j;
  int res = 0;
 
  /* This loop nest should be blocked.  */
  for (j = 1; j < N; j++)
    for (i = 0; i < N; i++)
      a[i][j] = a[i][j-1] + b[i][j];
 
  for (i = 0; i < N; i++)
    res += a[i][i];
 
  return res;
}
 
extern void abort ();
 
int
main (void)
{
  int i, j, res;
 
  for (i = 0; i < N; i++)
    for (j = 0; j < N; j++)
      {
	a[i][j] = i + j;
	b[i][j] = i - j;
      }
 
  res = foo ();
 
#if DEBUG
  fprintf (stderr, "res = %d \n", res);
#endif
 
  if (res != 1333300)
    abort ();
 
  return 0;
}
 
/* { dg-final { scan-tree-dump-times "will be loop blocked" 1 "graphite" } } */
/* { dg-final { cleanup-tree-dump "graphite" } } */