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.
 /* 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
    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,
 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
 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"
 
 #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)
 {
 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);
 
   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;
   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)
 {
 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 ();
 
   /* 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;
 
   /* 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);
   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;
   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
 
   /* 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)
            = 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
                      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);
        }
     }
                      fndecl, larger_than_size);
        }
     }