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authorJing Yu <jingyu@google.com>2009-11-05 15:11:04 -0800
committerJing Yu <jingyu@google.com>2009-11-05 15:11:04 -0800
commitdf62c1c110e8532b995b23540b7e3695729c0779 (patch)
treedbbd4cbdb50ac38011e058a2533ee4c3168b0205 /gcc-4.3.1/gcc/predict.h
parent8d401cf711539af5a2f78d12447341d774892618 (diff)
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Check in gcc sources for prebuilt toolchains in Eclair.
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+/* Definitions for branch prediction routines in the GNU compiler.
+ Copyright (C) 2001, 2003, 2004, 2007 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);
+
+#endif /* GCC_PREDICT_H */