Ejemplos de bitmap_and_or en C++ (Cpp)

Ejemplo n.º 1

Archivo: lcm.c Proyecto: Droufte/gcc

static void
compute_farthest (struct edge_list *edge_list, int n_exprs,
		  sbitmap *st_avout, sbitmap *st_avin, sbitmap *st_antin,
		  sbitmap *kill, sbitmap *farthest)
{
  int x, num_edges;
  basic_block pred, succ;

  num_edges = NUM_EDGES (edge_list);

  auto_sbitmap difference (n_exprs), temp_bitmap (n_exprs);
  for (x = 0; x < num_edges; x++)
    {
      pred = INDEX_EDGE_PRED_BB (edge_list, x);
      succ = INDEX_EDGE_SUCC_BB (edge_list, x);
      if (succ == EXIT_BLOCK_PTR_FOR_FN (cfun))
	bitmap_copy (farthest[x], st_avout[pred->index]);
      else
	{
	  if (pred == ENTRY_BLOCK_PTR_FOR_FN (cfun))
	    bitmap_clear (farthest[x]);
	  else
	    {
	      bitmap_and_compl (difference, st_avout[pred->index],
				  st_antin[succ->index]);
	      bitmap_not (temp_bitmap, st_avin[succ->index]);
	      bitmap_and_or (farthest[x], difference,
				    kill[succ->index], temp_bitmap);
	    }
	}
    }
}

Ejemplo n.º 2

Archivo: lcm.c Proyecto: krnowak/gcc

static void
compute_earliest (struct edge_list *edge_list, int n_exprs, sbitmap *antin,
		  sbitmap *antout, sbitmap *avout, sbitmap *kill,
		  sbitmap *earliest)
{
  sbitmap difference, temp_bitmap;
  int x, num_edges;
  basic_block pred, succ;

  num_edges = NUM_EDGES (edge_list);

  difference = sbitmap_alloc (n_exprs);
  temp_bitmap = sbitmap_alloc (n_exprs);

  for (x = 0; x < num_edges; x++)
    {
      pred = INDEX_EDGE_PRED_BB (edge_list, x);
      succ = INDEX_EDGE_SUCC_BB (edge_list, x);
      if (pred == ENTRY_BLOCK_PTR_FOR_FN (cfun))
	bitmap_copy (earliest[x], antin[succ->index]);
      else
	{
	  if (succ == EXIT_BLOCK_PTR_FOR_FN (cfun))
	    bitmap_clear (earliest[x]);
	  else
	    {
	      bitmap_and_compl (difference, antin[succ->index],
				  avout[pred->index]);
	      bitmap_not (temp_bitmap, antout[pred->index]);
	      bitmap_and_or (earliest[x], difference,
				    kill[pred->index], temp_bitmap);
	    }
	}
    }

  sbitmap_free (temp_bitmap);
  sbitmap_free (difference);
}