gcc:

[pf3gnuchains/gcc-fork.git] / gcc / cfglayout.h

diff --git a/gcc/cfglayout.h b/gcc/cfglayout.h
index 0361dc6..42b12dd 100644 (file)
--- a/gcc/cfglayout.h
+++ b/gcc/cfglayout.h
@@ -1,11 +1,11 @@
 /* Basic block reordering routines for the GNU compiler.
-   Copyright (C) 2000, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2003, 2004, 2007 Free Software Foundation, Inc.
 
    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, but WITHOUT
@@ -14,35 +14,24 @@
    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, 59 Temple Place - Suite 330, Boston, MA
-   02111-1307, USA.  */
-
-/* Structure to hold information about the blocks during reordering.  */
-typedef struct reorder_block_def
-{
-  rtx header;
-  rtx footer;
-  basic_block next;
-  basic_block original;
-  /* Used by loop copying.  */
-  basic_block copy;
-  int duplicated;
-
-  /* These fields are used by bb-reorder pass.  */
-  int visited;
-} *reorder_block_def;
-
-extern rtx cfg_layout_function_footer;
-
-extern void cfg_layout_initialize (void);
+   along with GCC; see the file COPYING3.  If not see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef GCC_CFGLAYOUT_H
+#define GCC_CFGLAYOUT_H
+
+#include "basic-block.h"
+
+extern GTY(()) rtx cfg_layout_function_footer;
+extern GTY(()) rtx cfg_layout_function_header;
+
+extern void cfg_layout_initialize (unsigned int);
 extern void cfg_layout_finalize (void);
-extern bool cfg_layout_can_duplicate_bb_p (basic_block);
-extern basic_block cfg_layout_duplicate_bb (basic_block, edge);
-extern void insn_locators_initialize (void);
 extern void reemit_insn_block_notes (void);
 extern bool can_copy_bbs_p (basic_block *, unsigned);
 extern void copy_bbs (basic_block *, unsigned, basic_block *,
-                     edge *, unsigned, edge *, struct loop *);
-extern void cfg_layout_initialize_rbi (basic_block);
-extern bool scan_ahead_for_unlikely_executed_note (rtx);
+                     edge *, unsigned, edge *, struct loop *,
+                     basic_block);
+extern rtx duplicate_insn_chain (rtx, rtx);
+
+#endif /* GCC_CFGLAYOUT_H */