/* Basic block reordering routines for the GNU compiler.
- Copyright (C) 2000, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2003, 2004 Free Software Foundation, Inc.
This file is part of GCC.
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. */
+ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
-extern rtx cfg_layout_function_footer;
+#ifndef GCC_CFGLAYOUT_H
+#define GCC_CFGLAYOUT_H
-extern void cfg_layout_initialize (void);
+#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 void insn_locators_initialize (void);
+extern unsigned int 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 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 */