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Diffstat (limited to 'gcc/predict.h')
-rw-r--r-- | gcc/predict.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/predict.h b/gcc/predict.h new file mode 100644 index 0000000..89725250 --- /dev/null +++ b/gcc/predict.h @@ -0,0 +1,42 @@ +/* Definitions for branch prediction routines in the GNU compiler. + Copyright (C) 2001, 2003, 2004 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 +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 COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + +#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); + +#endif /* GCC_PREDICT_H */ |