/* 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. */
-/* 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;
+#ifndef GCC_CFGLAYOUT_H
+#define GCC_CFGLAYOUT_H
- /* These fields are used by bb-reorder pass. */
- int visited;
-} *reorder_block_def;
+#include "basic-block.h"
-#define RBI(BB) ((reorder_block_def) (BB)->aux)
+extern GTY(()) rtx cfg_layout_function_footer;
+extern GTY(()) rtx cfg_layout_function_header;
-extern rtx cfg_layout_function_footer;
-
-extern void cfg_layout_initialize (struct loops *);
+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 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 *,
+ basic_block);
+extern rtx duplicate_insn_chain (rtx, rtx);
+
+#endif /* GCC_CFGLAYOUT_H */