toplev.c (lang_dependent_init): Call init_set_costs.

	* toplev.c (lang_dependent_init): Call init_set_costs.
	* loop-init.c (loop_optimizer_init): Do not call init_set_costs.

From-SVN: r121464

gcc/ChangeLog

+2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
+
+	* toplev.c (lang_dependent_init): Call init_set_costs.
+	* loop-init.c (loop_optimizer_init): Do not call init_set_costs.
+
 2007-02-01  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/30656

gcc/loop-init.c

@@ -42,15 +42,8 @@ loop_optimizer_init (unsigned flags)
 {
   edge e;
   edge_iterator ei;
-  static bool first_time = true;
   struct loops *loops;
 
-  if (first_time)
-    {
-      first_time = false;
-      init_set_costs ();
-    }
-
   gcc_assert (!current_loops);
   loops = XCNEW (struct loops);
 

gcc/toplev.c

@@ -1992,6 +1992,11 @@ lang_dependent_init (const char *name)
      provide a dummy function context for them.  */
   init_dummy_function_start ();
   init_expr_once ();
+
+  /* Although the actions of init_set_costs are language-independent,
+     it uses optabs, so we cannot call it from backend_init.  */
+  init_set_costs ();
+
   expand_dummy_function_end ();
 
   /* If dbx symbol table desired, initialize writing it and output the