gcc/bb-reorder.h

   1 /* Basic block reordering routines for the GNU compiler.
   2    Copyright (C) 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010
   3    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
   8    under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3, or (at your option)
  10    any later version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  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/>.  */
  20
  21 #ifndef GCC_BB_REORDER
  22 #define GCC_BB_REORDER
  23
  24 /* Target-specific globals.  */
  25 struct target_bb_reorder {
  26   /* Length of unconditional jump instruction.  */
  27   int x_uncond_jump_length;
  28 };
  29
  30 extern GTY(()) struct target_bb_reorder default_target_bb_reorder;
  31 #if SWITCHABLE_TARGET
  32 extern struct target_bb_reorder *this_target_bb_reorder;
  33 #else
  34 #define this_target_bb_reorder (&default_target_bb_reorder)
  35 #endif
  36
  37 extern int get_uncond_jump_length (void);
  38
  39 #endif