gcc/gcc/bt-load.c

335 /* Create a new target register user structure, for a use in block BB,
336    instruction INSN.  Return the new user.  */
346   btr_user user = NULL;
360   user = obstack_alloc (&migrate_btrl_obstack, sizeof (struct btr_user_s));
361   user->bb = bb;
362   user->luid = insn_luid;
363   user->insn = insn;
364   user->use = use;
365   user->other_use_this_block = 0;
366   user->next = NULL;
367   user->n_reaching_defs = 0;
368   user->first_reaching_def = -1;
375       if (user->use)
377 		 REGNO (user->use));
380   return user;
409   btr_user user;
411   for (user = users_this_bb; user != NULL; user = user->next)
412     if (user->use && REGNO (user->use) == regno)
413       user->other_use_this_block = 1;
517 		  btr_user user;
521 		  for (user = info.users_this_bb; user != NULL;
522 		       user = user->next)
523 		    if (user->use)
524 		      user->other_use_this_block = 1;
533 		      btr_user user = new_btr_user (bb, insn_luid, insn);
535 		      use_array[insn_uid] = user;
536 		      if (user->use)
538 					  REGNO (user->use));
544 				&& refers_to_regno_p (reg, reg + 1, user->insn,
553 		      user->next = info.users_this_bb;
554 		      info.users_this_bb = user;
692 	      btr_user user = use_array[insn_uid];
702 	      if (user != NULL)
709 		  if (user->use)
713 		      btr_defset[REGNO (user->use) - first_btr]);
721 			    && refers_to_regno_p (reg, reg + 1, user->insn,
732 		      /* We now know that def reaches user.  */
739 		      user->n_reaching_defs++;
740 		      if (!user->use)
742 		      if (user->first_reaching_def != -1)
747 			  def_array[user->first_reaching_def]
755 			user->first_reaching_def = uid;
756 		      if (user->other_use_this_block)
758 		      user->next = def->uses;
759 		      def->uses = user;
826       btr_user user;
827       for (user = def->uses; user != NULL; user = user->next)
828 	if (BASIC_BLOCK (bb) == user->bb)
1019       btr_user user;
1028       for (user = def->uses; user != NULL; user = user->next)
1030 			    def->bb, user->bb,
1032 			     || user->insn != BB_END (def->bb)
1033 			     || !JUMP_P (user->insn)));
1082 	  btr_user user;
1092 	  for (user = other_def->uses; user != NULL; user = user->next)
1094 				def->bb, user->bb,
1096 				 || user->insn != BB_END (def->bb)
1097 				 || !JUMP_P (user->insn)));
1109 	      user = other_def->uses;
1110 	      while (user != NULL)
1112 		  btr_user next = user->next;
1114 		  user->next = def->uses;
1115 		  def->uses = user;
1116 		  user = next;
1124 	      for (user = def->uses; user != NULL; user = user->next)
1125 		remove_note (user->insn,
1126 			     find_regno_note (user->insn, REG_DEAD,
1127 					      REGNO (user->use)));
1166   btr_user user;
1222   for (user = def->uses; user != NULL; user = user->next)
1229       if (GET_MODE (user->use) == GET_MODE (btr_rtx)
1230 	  || GET_MODE (user->use) == VOIDmode)
1233 	replacement_rtx = gen_rtx_REG (GET_MODE (user->use), btr);
1234       replace_rtx (user->insn, user->use, replacement_rtx);
1235       user->use = replacement_rtx;
1285   btr_user user;
1321   for (user = def->uses; user != NULL; user = user->next)
1323       if (user->bb == def->bb
1324 	  && user->luid > def->luid
1325 	  && (def->luid + def_latency) > user->luid
1327 			    (def->luid + def_latency) - user->luid))