Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */
/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */
 
void abort (void);
 
int x[500][500];
int y[500];
int g_sum=0;
 
__attribute__((noinline))
void init (int i, int j)
{
  x[i][j]=1;
}
 
__attribute__((noinline))
void parloop (int N)
{
  int i, j;
  int sum;
 
  /* Outer loop reduction, outerloop is parallelized.  */ 
  sum=0;
  for (i = 0; i < N; i++)
  {
    for (j = 0; j < N; j++)
      y[i]=x[i][j];
    sum += y[i];
  }
  g_sum = sum;
}
 
int main(void)
{
  int i,j;
  for (i = 0; i < 500; i++) 
    for (j = 0; j < 500; j++)
      init(i, j);
 
  parloop(500);
 
  return 0;
}
 
 
/* Check that outer loop is parallelized.  */
/* { dg-final { scan-tree-dump-times "parallelizing outer loop" 1 "parloops" } } */
/* { dg-final { scan-tree-dump-times "parallelizing inner loop" 0 "parloops" } } */
/* { dg-final { scan-tree-dump-times "loopfn" 5 "optimized" } } */
/* { dg-final { cleanup-tree-dump "parloops" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */