contrib/gcc/df-core.c

332   struct dataflow *dflow;
341   dflow = df->problems_by_index[problem->id];
342   if (dflow)
343     return dflow;
346   dflow = XCNEW (struct dataflow);
347   dflow->flags = flags;
348   dflow->df = df;
349   dflow->problem = problem;
350   df->problems_in_order[df->num_problems_defined++] = dflow;
351   df->problems_by_index[dflow->problem->id] = dflow;
353   return dflow;
361 df_set_flags (struct dataflow *dflow, int mask)
363   int old_flags = dflow->flags;
365   gcc_assert (!(mask & (~dflow->problem->changeable_flags)));
367   dflow->flags |= mask;
376 df_clear_flags (struct dataflow *dflow, int mask)
378   int old_flags = dflow->flags;
380   gcc_assert (!(mask & (~dflow->problem->changeable_flags)));
382   dflow->flags &= !mask;
403 	      struct dataflow *dflow = df->problems_in_order[p];
404 	      if (dflow->problem->reset_fun)
405 		dflow->problem->reset_fun (dflow, df->blocks_to_analyze);
406 	      else if (dflow->problem->free_bb_fun)
416 			  dflow->problem->free_bb_fun
417 			    (dflow, bb, df_get_bb_info (dflow, bb_index));
418 			  df_set_bb_info (dflow, bb_index, NULL);
437 		  struct dataflow *dflow = df->problems_in_order[p];
438 		  if (dflow->problem->reset_fun)
449 		      dflow->problem->reset_fun (dflow, blocks_to_reset);
482       struct dataflow *dflow = df->problems_in_order[i];
483       if (dflow->problem->free_bb_fun)
484 	dflow->problem->free_bb_fun
485 	  (dflow, bb, df_get_bb_info (dflow, bb_index));
755 df_analyze_problem (struct dataflow *dflow,
762   if (dflow->problem->alloc_fun)
763     dflow->problem->alloc_fun (dflow, blocks_to_scan, blocks_to_init);
769   if (dflow->problem->local_compute_fun)
770     dflow->problem->local_compute_fun (dflow, blocks_to_consider, blocks_to_scan);
773   if (dflow->problem->dataflow_fun)
774     dflow->problem->dataflow_fun (dflow, blocks_to_consider, blocks_to_init,
778   if (dflow->problem->finalize_fun)
779     dflow->problem->finalize_fun (dflow, blocks_to_consider);
854 df_get_bb_info (struct dataflow *dflow, unsigned int index)
856   return (struct df_scan_bb_info *) dflow->block_info[index];
863 df_set_bb_info (struct dataflow *dflow, unsigned int index,
866   dflow->block_info[index] = bb_info;
884       struct dataflow *dflow = df->problems_in_order[p];
885       if (dflow->problem->free_bb_fun)
887 	  df_grow_bb_info (dflow);
888 	  memcpy (problem_temps, dflow->block_info, size);
896 	      df_set_bb_info (dflow, i, problem_temps[bb->index]);
900 	  memset (dflow->block_info + i, 0,
909 		dflow->problem->free_bb_fun
910 		  (dflow, bb, problem_temps[i]);
942       struct dataflow *dflow = df->problems_in_order[p];
943       if (dflow->block_info)
947 	  df_grow_bb_info (dflow);
951 	  temp = df_get_bb_info (dflow, old_index);
952 	  df_set_bb_info (dflow, old_index,
953 			  df_get_bb_info (dflow, new_block->index));
954 	  df_set_bb_info (dflow, new_block->index, temp);