/* Definitions for branch prediction routines in the GNU compiler.
- Copyright (C) 2001, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2001, 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) any later
+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 ANY
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. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef GCC_PREDICT_H
+#define GCC_PREDICT_H
#define DEF_PREDICTOR(ENUM, NAME, HITRATE, FLAGS) ENUM,
enum br_predictor
TAKEN
};
-/* Flags for NOTE_PREDICTION */
-#define IS_TAKEN 1 /* Predict edges to the block as taken. */
-
extern void predict_insn_def (rtx, enum br_predictor, enum prediction);
-extern void predict_insn (rtx, enum br_predictor, int);
+extern int counts_to_freqs (void);
+extern void estimate_bb_frequencies (void);
+extern const char *predictor_name (enum br_predictor);
+extern tree build_predict_expr (enum br_predictor, enum prediction);
-/* Avoid unneeded dependency on basic_block.h. */
-#ifdef BASIC_BLOCK
-extern void predict_edge (edge, enum br_predictor, int);
-extern void predict_edge_def (edge, enum br_predictor, enum prediction);
-#endif
+#endif /* GCC_PREDICT_H */