Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-lim-details" } */
 
int x;
int a[100];
 
struct a
{
  int X;
  int Y;
};
 
void bla(void);
 
void test1(void)
{
  unsigned i;
 
  /* We should perform store motion here.  */
  for (x = 0; x < 100; x++)
    a[x] = x;
}
 
void test2(void)
{
  unsigned i;
 
  /* But not here.  */
  for (x = 0; x < 100; x++)
    bla ();
}
 
void test3(struct a *A)
{
  unsigned i;
 
  /* But we should here (using base + offset analysis).  */
  for (i = 0; i < 100; i++)
    {
      A[5].X += i;
      A[5].Y += i;
    }
}
 
/* { dg-final { scan-tree-dump-times "Executing store motion of" 3 "lim1" } } */
/* { dg-final { cleanup-tree-dump "lim\[1-2\]" } } */