/* 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 . */ #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 */