contrib/gcc/reorg.c

2518   rtx new_thread;
2547   new_thread = thread = try_split (PATTERN (thread), thread, 0);
2605 		      if (new_thread == trial)
2606 			new_thread = thread;
2614 		  new_thread = next_active_insn (trial);
2630 	      if (new_thread == old_trial)
2631 		new_thread = trial;
2649 	      if (new_thread == old_trial)
2650 		new_thread = trial;
2682 			  if (new_thread == trial)
2683 			    new_thread = thread;
2700 		    new_thread = next_active_insn (trial);
2713 		      while (new_thread && ! own_thread
2714 			     && ! insn_sets_resource_p (new_thread, &set, 1)
2715 			     && ! insn_sets_resource_p (new_thread, &needed, 1)
2716 			     && ! insn_references_resource_p (new_thread,
2719 				 = redundant_insn (new_thread, insn,
2725 			  update_reg_unused_notes (prior_insn, new_thread);
2726 			  new_thread = next_active_insn (new_thread);
2788       if (thread_if_true && trial == new_thread)
2795 					    &new_thread);
2798 	  if (own_thread && trial != new_thread)
2799 	    own_thread = own_thread_p (new_thread, new_thread, 0);
2816   if (delay_list == 0 && likely && new_thread
2817       && NONJUMP_INSN_P (new_thread)
2818       && GET_CODE (PATTERN (new_thread)) != ASM_INPUT
2819       && asm_noperands (PATTERN (new_thread)) < 0)
2821       rtx pat = PATTERN (new_thread);
2825       trial = new_thread;
2872 		  if (new_thread == trial)
2873 		    new_thread = thread;
2878 	    new_thread = next_active_insn (trial);
2895   if (new_thread != thread)
2901       if (new_thread && JUMP_P (new_thread)
2902 	  && (simplejump_p (new_thread)
2903 	      || GET_CODE (PATTERN (new_thread)) == RETURN)
2905 					      JUMP_LABEL (new_thread),
2907 	new_thread = follow_jumps (JUMP_LABEL (new_thread));
2909       if (new_thread == 0)
2911       else if (LABEL_P (new_thread))
2912 	label = new_thread;
2914 	label = get_label_before (new_thread);