* src/powerpc/aix_closure.S (ffi_closure_ASM): Adjust for Darwin64
[official-gcc.git] / gcc / predict.h
blob0d3124b16aa17a621c91507ff1deb3c4914393de
1 /* Definitions for branch prediction routines in the GNU compiler.
2 Copyright (C) 2001, 2003, 2004, 2007, 2008, 2010
3 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
10 version.
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #ifndef GCC_PREDICT_H
22 #define GCC_PREDICT_H
24 #define DEF_PREDICTOR(ENUM, NAME, HITRATE, FLAGS) ENUM,
25 enum br_predictor
27 #include "predict.def"
29 /* Upper bound on non-language-specific builtins. */
30 END_PREDICTORS
32 #undef DEF_PREDICTOR
33 enum prediction
35 NOT_TAKEN,
36 TAKEN
39 extern void predict_insn_def (rtx, enum br_predictor, enum prediction);
40 extern int counts_to_freqs (void);
41 extern void estimate_bb_frequencies (void);
42 extern const char *predictor_name (enum br_predictor);
43 extern tree build_predict_expr (enum br_predictor, enum prediction);
44 extern void tree_estimate_probability (void);
45 extern void compute_function_frequency (void);
46 extern void rebuild_frequencies (void);
48 #endif /* GCC_PREDICT_H */