dist/gcc/reorg.c

2394   rtx new_thread;
2425   new_thread = thread = try_split (PATTERN (thread), thread, 0);
2484 		      if (new_thread == trial)
2485 			new_thread = thread;
2493 		  new_thread = next_active_insn (trial);
2512 	      if (new_thread == old_trial)
2513 		new_thread = trial;
2526 	      if (new_thread == old_trial)
2527 		new_thread = trial;
2557 			  if (new_thread == trial)
2558 			    new_thread = thread;
2601 		    new_thread = next_active_insn (trial);
2614 		      while (new_thread && ! own_thread
2615 			     && ! insn_sets_resource_p (new_thread, &set, true)
2616 			     && ! insn_sets_resource_p (new_thread, &needed,
2618 			     && ! insn_references_resource_p (new_thread,
2621 				 = redundant_insn (new_thread, insn,
2627 			  update_reg_unused_notes (prior_insn, new_thread);
2628 			  new_thread
2629 			    = next_active_insn (as_a<rtx_insn *> (new_thread));
2692       if (thread_if_true && trial == new_thread)
2698 					&new_thread);
2701 	  if (own_thread && trial != new_thread)
2702 	    own_thread = own_thread_p (new_thread, new_thread, 0);
2718       && new_thread && !ANY_RETURN_P (new_thread)
2719       && NONJUMP_INSN_P (new_thread)
2720       && !RTX_FRAME_RELATED_P (new_thread)
2721       && GET_CODE (PATTERN (new_thread)) != ASM_INPUT
2722       && asm_noperands (PATTERN (new_thread)) < 0)
2727       /* We know "new_thread" is an insn due to NONJUMP_INSN_P (new_thread)
2729       trial = as_a <rtx_insn *> (new_thread);
2776 		  if (new_thread == trial)
2777 		    new_thread = thread;
2782 	    new_thread = next_active_insn (trial);
2799   if (new_thread != thread)
2806       if (new_thread && simplejump_or_return_p (new_thread)
2808 					      JUMP_LABEL (new_thread),
2810 	new_thread = follow_jumps (JUMP_LABEL (new_thread), insn,
2813       if (ANY_RETURN_P (new_thread))
2814 	label = find_end_label (new_thread);
2815       else if (LABEL_P (new_thread))
2816 	label = new_thread;
2818 	label = get_label_before (as_a <rtx_insn *> (new_thread),