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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [predict.h] - Rev 708

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/* Definitions for branch prediction routines in the GNU compiler.
   Copyright (C) 2001, 2003, 2004, 2007, 2008, 2010
   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);
extern void rebuild_frequencies (void);
 
#endif  /* GCC_PREDICT_H */
 

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