gcc/predict.h

   1 /* This file contains the definitions and documentation for the
   2    builtins used in the GNU compiler.
   3    Copyright (C) 2001, 2003 Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   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 2, or (at your option) any later
  10 version.
  11
  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.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING.  If not, write to the Free
  19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  20 02111-1307, USA.  */
  21
  22 #define DEF_PREDICTOR(ENUM, NAME, HITRATE, FLAGS) ENUM,
  23 enum br_predictor
  24 {
  25 #include "predict.def"
  26
  27   /* Upper bound on non-language-specific builtins.  */
  28   END_PREDICTORS
  29 };
  30 #undef DEF_PREDICTOR
  31 enum prediction
  32 {
  33    NOT_TAKEN,
  34    TAKEN
  35 };
  36
  37 /* Flags for NOTE_PREDICTION */
  38 #define IS_TAKEN 1              /* Predict edges to the block as taken.  */
  39
  40 extern void predict_insn_def (rtx, enum br_predictor, enum prediction);
  41 extern void predict_insn (rtx, enum br_predictor, int);
  42
  43 /* Avoid unneeded dependency on basic_block.h  */
  44 #ifdef BASIC_BLOCK
  45 extern void predict_edge (edge, enum br_predictor, int);
  46 extern void predict_edge_def (edge, enum br_predictor, enum prediction);
  47 #endif