gcc/

[pf3gnuchains/gcc-fork.git] / gcc / tree-optimize.c

diff --git a/gcc/tree-optimize.c b/gcc/tree-optimize.c
index e122f48..544d75d 100644 (file)
--- a/gcc/tree-optimize.c
+++ b/gcc/tree-optimize.c
@@ -1,12 +1,12 @@
 /* Top-level control of tree optimizations.
-   Copyright 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
    Contributed by Diego Novillo <dnovillo@redhat.com>
 
 This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
 any later version.
 
 GCC is distributed in the hope that it will be useful,
@@ -15,9 +15,8 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING.  If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 
 #include "config.h"
 #include "system.h"
@@ -208,13 +207,10 @@ struct tree_opt_pass pass_cleanup_cfg_post_optimizing =
 static unsigned int
 execute_free_datastructures (void)
 {
-  /* ??? This isn't the right place for this.  Worse, it got computed
-     more or less at random in various passes.  */
   free_dominance_info (CDI_DOMINATORS);
   free_dominance_info (CDI_POST_DOMINATORS);
 
-  /* Remove the ssa structures.  Do it here since this includes statement
-     annotations that need to be intact during disband_implicit_edges.  */
+  /* Remove the ssa structures.  */
   if (cfun->gimple_df)
     delete_tree_ssa ();
   return 0;
@@ -241,9 +237,6 @@ struct tree_opt_pass pass_free_datastructures =
 static unsigned int
 execute_free_cfg_annotations (void)
 {
-  /* Emit gotos for implicit jumps.  */
-  disband_implicit_edges ();
-
   /* And get rid of annotations we no longer need.  */
   delete_tree_cfg_annotations ();
 
@@ -394,7 +387,6 @@ tree_rest_of_compilation (tree fndecl)
 
   /* Initialize the RTL code for the function.  */
   current_function_decl = fndecl;
-  cfun = DECL_STRUCT_FUNCTION (fndecl);
   saved_loc = input_location;
   input_location = DECL_SOURCE_LOCATION (fndecl);
   init_function_start (fndecl);
@@ -417,7 +409,7 @@ tree_rest_of_compilation (tree fndecl)
   bitmap_obstack_release (NULL);
   
   DECL_SAVED_TREE (fndecl) = NULL;
-  cfun = 0;
+  set_cfun (NULL);
 
   /* If requested, warn about function definitions where the function will
      return a value (usually of some struct or union type) which itself will
@@ -435,10 +427,10 @@ tree_rest_of_compilation (tree fndecl)
            = TREE_INT_CST_LOW (TYPE_SIZE_UNIT (ret_type));
 
          if (compare_tree_int (TYPE_SIZE_UNIT (ret_type), size_as_int) == 0)
-           warning (0, "size of return value of %q+D is %u bytes",
+           warning (OPT_Wlarger_than_eq, "size of return value of %q+D is %u bytes",
                      fndecl, size_as_int);
          else
-           warning (0, "size of return value of %q+D is larger than %wd bytes",
+           warning (OPT_Wlarger_than_eq, "size of return value of %q+D is larger than %wd bytes",
                      fndecl, larger_than_size);
        }
     }