bfin.c (bfin_discover_loop): When retrying fails, mark the loop as bad.

	* config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
	the loop as bad.

From-SVN: r144645

gcc/ChangeLog

+2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
+
+	* config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
+	the loop as bad.
+
 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
 
 	PR debug/39379

gcc/config/bfin/bfin.c

@@ -4362,6 +4362,12 @@ bfin_discover_loop (loop_info loop, basic_block tail_bb, rtx tail_insn)
 		      break;
 		    }
 		}
+	      if (!retry)
+		{
+		  if (dump_file)
+		    fprintf (dump_file, ";; No forwarder blocks found\n");
+		  loop->bad = 1;
+		}
 	    }
 	}
     }