Daily bump.
[official-gcc.git] / gcc / predict.h
blob17c2c948a88ffe2da7cf776a0d22094d9e6a642a
1 /* Definitions for branch prediction routines in the GNU compiler.
2 Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
4 This file is part of GCC.
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.
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.
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, 59 Temple Place - Suite 330, Boston, MA
19 02111-1307, USA. */
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 /* Flags for NOTE_PREDICTION */
40 #define IS_TAKEN 1 /* Predict edges to the block as taken. */
42 extern void predict_insn_def (rtx, enum br_predictor, enum prediction);
43 extern int counts_to_freqs (void);
45 #endif /* GCC_PREDICT_H */