regrename.c (regrename_optimize): Set regs_ever_live for all registers introduced as replacement.

	* regrename.c (regrename_optimize): Set regs_ever_live for all
	registers introduced as replacement.

From-SVN: r79825

gcc/ChangeLog

+2004-03-22  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* regrename.c (regrename_optimize): Set regs_ever_live for all
+	registers introduced as replacement.
+
 2004-03-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
 
 	PR middle-end/14470

gcc/regrename.c

@@ -345,6 +345,7 @@ regrename_optimize (void)
 
 	  do_replace (this, best_new_reg);
 	  tick[best_new_reg] = ++this_tick;
+	  regs_ever_live[best_new_reg] = 1;
 
 	  if (dump_file)
 	    fprintf (dump_file, ", renamed as %s\n", reg_names[best_new_reg]);