/usr/lib/gcc/x86_64-linux-gnu/4.8/plugin/include/predict.h is in gcc-4.8-plugin-dev 4.8.2-19ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | /* Definitions for branch prediction routines in the GNU compiler.
Copyright (C) 2001-2013 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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