gcc/gcc/bt-load.c

345 /* Create a new target register user structure, for a use in block BB,
346    instruction INSN.  Return the new user.  */
356   btr_user user = NULL;
370   user = XOBNEW (&migrate_btrl_obstack, struct btr_user_s);
371   user->bb = bb;
372   user->luid = insn_luid;
373   user->insn = insn;
374   user->use = use;
375   user->other_use_this_block = 0;
376   user->next = NULL;
377   user->n_reaching_defs = 0;
378   user->first_reaching_def = -1;
385       if (user->use)
387 		 REGNO (user->use));
390   return user;
419   btr_user user;
421   for (user = users_this_bb; user != NULL; user = user->next)
422     if (user->use && REGNO (user->use) == regno)
423       user->other_use_this_block = 1;
527 		  btr_user user;
531 		  for (user = info.users_this_bb; user != NULL;
532 		       user = user->next)
533 		    if (user->use)
534 		      user->other_use_this_block = 1;
543 		      btr_user user = new_btr_user (bb, insn_luid, insn);
545 		      use_array[insn_uid] = user;
546 		      if (user->use)
548 					  REGNO (user->use));
554 				&& refers_to_regno_p (reg, user->insn))
562 		      user->next = info.users_this_bb;
563 		      info.users_this_bb = user;
701 	      btr_user user = use_array[insn_uid];
711 	      if (user != NULL)
718 		  if (user->use)
722 		      btr_defset[REGNO (user->use) - first_btr]);
730 			    && refers_to_regno_p (reg, user->insn))
740 		      /* We now know that def reaches user.  */
747 		      user->n_reaching_defs++;
748 		      if (!user->use)
750 		      if (user->first_reaching_def != -1)
755 			  def_array[user->first_reaching_def]
763 			user->first_reaching_def = uid;
764 		      if (user->other_use_this_block)
766 		      user->next = def->uses;
767 		      def->uses = user;
837       btr_user user;
838       for (user = def->uses; user != NULL; user = user->next)
839 	if (BASIC_BLOCK_FOR_FN (cfun, bb) == user->bb)
1029       btr_user user;
1038       for (user = def->uses; user != NULL; user = user->next)
1040 			    def->bb, user->bb,
1042 			     || user->insn != BB_END (def->bb)
1043 			     || !JUMP_P (user->insn)));
1092 	  btr_user user;
1102 	  for (user = other_def->uses; user != NULL; user = user->next)
1104 				def->bb, user->bb,
1106 				 || user->insn != BB_END (def->bb)
1107 				 || !JUMP_P (user->insn)));
1119 	      user = other_def->uses;
1120 	      while (user != NULL)
1122 		  btr_user next = user->next;
1124 		  user->next = def->uses;
1125 		  def->uses = user;
1126 		  user = next;
1134 	      for (user = def->uses; user != NULL; user = user->next)
1135 		remove_note (user->insn,
1136 			     find_regno_note (user->insn, REG_DEAD,
1137 					      REGNO (user->use)));
1176   btr_user user;
1232   for (user = def->uses; user != NULL; user = user->next)
1239       if (GET_MODE (user->use) == GET_MODE (btr_rtx)
1240 	  || GET_MODE (user->use) == VOIDmode)
1243 	replacement_rtx = gen_rtx_REG (GET_MODE (user->use), btr);
1244       validate_replace_rtx (user->use, replacement_rtx, user->insn);
1245       user->use = replacement_rtx;
1295   btr_user user;
1331   for (user = def->uses; user != NULL; user = user->next)
1333       if (user->bb == def->bb
1334 	  && user->luid > def->luid
1335 	  && (def->luid + def_latency) > user->luid
1337 			    (def->luid + def_latency) - user->luid))