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21f1c577 | 1 | /* Definitions for branch prediction routines in the GNU compiler. |
79a490a9 | 2 | Copyright (C) 2001, 2003 Free Software Foundation, Inc. |
4db384c9 | 3 | |
1322177d | 4 | This file is part of GCC. |
4db384c9 | 5 | |
1322177d LB |
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. | |
4db384c9 | 10 | |
1322177d LB |
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. | |
4db384c9 JH |
15 | |
16 | You should have received a copy of the GNU General Public License | |
1322177d LB |
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. */ | |
4db384c9 | 20 | |
134d3a2e | 21 | #define DEF_PREDICTOR(ENUM, NAME, HITRATE, FLAGS) ENUM, |
4db384c9 JH |
22 | enum br_predictor |
23 | { | |
24 | #include "predict.def" | |
25 | ||
2ba84f36 | 26 | /* Upper bound on non-language-specific builtins. */ |
4db384c9 JH |
27 | END_PREDICTORS |
28 | }; | |
29 | #undef DEF_PREDICTOR | |
30 | enum prediction | |
31 | { | |
32 | NOT_TAKEN, | |
33 | TAKEN | |
34 | }; | |
35 | ||
969d70ca JH |
36 | /* Flags for NOTE_PREDICTION */ |
37 | #define IS_TAKEN 1 /* Predict edges to the block as taken. */ | |
38 | ||
79a490a9 AJ |
39 | extern void predict_insn_def (rtx, enum br_predictor, enum prediction); |
40 | extern void predict_insn (rtx, enum br_predictor, int); | |
4db384c9 | 41 | |
6614fd40 | 42 | /* Avoid unneeded dependency on basic_block.h. */ |
4db384c9 | 43 | #ifdef BASIC_BLOCK |
79a490a9 AJ |
44 | extern void predict_edge (edge, enum br_predictor, int); |
45 | extern void predict_edge_def (edge, enum br_predictor, enum prediction); | |
4db384c9 | 46 | #endif |