Subversion Repositories openrisc_2011-10-31

/* Definitions for branch prediction routines in the GNU compiler.

   Copyright (C) 2001, 2003, 2004, 2007, 2008 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 3, or (at your option) any later

version.

GCC is distributed in the hope that it will be useful, but WITHOUT ANY

WARRANTY; without even the implied warranty of 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

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

{

#include "predict.def"

  /* Upper bound on non-language-specific builtins.  */

  END_PREDICTORS

};

#undef DEF_PREDICTOR

enum prediction

{

   NOT_TAKEN,

   TAKEN

};

extern void predict_insn_def (rtx, enum br_predictor, enum prediction);

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);

extern void tree_estimate_probability (void);

extern void compute_function_frequency (void);

#endif  /* GCC_PREDICT_H */