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 40