1 /* Definitions for branch prediction routines in the GNU compiler.
2    Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
3 
4 This file is part of GCC.
5 
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
9 version.
10 
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 for more details.
15 
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING.  If not, write to the Free
18 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301, USA.  */
20 
21 #ifndef GCC_PREDICT_H
22 #define GCC_PREDICT_H
23 
24 #define DEF_PREDICTOR(ENUM, NAME, HITRATE, FLAGS) ENUM,
25 enum br_predictor
26 {
27 #include "predict.def"
28 
29   /* Upper bound on non-language-specific builtins.  */
30   END_PREDICTORS
31 };
32 #undef DEF_PREDICTOR
33 enum prediction
34 {
35    NOT_TAKEN,
36    TAKEN
37 };
38 
39 extern void predict_insn_def (rtx, enum br_predictor, enum prediction);
40 extern int counts_to_freqs (void);
41 
42 #endif  /* GCC_PREDICT_H */
43