2010-04-12 Richard Guenther <rguenther@suse.de>

[pf3gnuchains/gcc-fork.git] / gcc / toplev.c

diff --git a/gcc/toplev.c b/gcc/toplev.c
index a789383..996bd90 100644 (file)
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -1796,6 +1796,12 @@ process_options (void)
     warn_unused_parameter = (warn_unused && extra_warnings);
   if (warn_unused_variable == -1)
     warn_unused_variable = warn_unused;
+  /* Wunused-but-set-parameter is enabled if both -Wunused -Wextra are
+     enabled.  */
+  if (warn_unused_but_set_parameter == -1)
+    warn_unused_but_set_parameter = (warn_unused && extra_warnings);
+  if (warn_unused_but_set_variable == -1)
+    warn_unused_but_set_variable = warn_unused;
   if (warn_unused_value == -1)
     warn_unused_value = warn_unused;
 
@@ -2191,8 +2197,8 @@ backend_init_target (void)
 
   /* We may need to recompute regno_save_code[] and regno_restore_code[]
      after a mode change as well.  */
-  if (flag_caller_saves)
-    init_caller_save ();
+  caller_save_initialized_p = false;
+
   expand_dummy_function_end ();
 }
 
@@ -2460,6 +2466,7 @@ toplev_main (int argc, char **argv)
 
   if (warningcount || errorcount)
     print_ignored_options ();
+  diagnostic_finish (global_dc);
 
   /* Invoke registered plugin callbacks if any.  */
   invoke_plugin_callbacks (PLUGIN_FINISH, NULL);