gcc/bb-reorder.h

   1 /* Basic block reordering routines for the GNU compiler.
   2    Copyright (C) 2000-2017 Free Software Foundation, Inc.
   3
   4    This file is part of GCC.
   5
   6    GCC is free software; you can redistribute it and/or modify it
   7    under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any later version.
  10
  11    GCC is distributed in the hope that it will be useful, but WITHOUT
  12    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  14    License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with GCC; see the file COPYING3.  If not see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef GCC_BB_REORDER
  21 #define GCC_BB_REORDER
  22
  23 /* Target-specific globals.  */
  24 struct target_bb_reorder {
  25   /* Length of unconditional jump instruction.  */
  26   int x_uncond_jump_length;
  27 };
  28
  29 extern struct target_bb_reorder default_target_bb_reorder;
  30 #if SWITCHABLE_TARGET
  31 extern struct target_bb_reorder *this_target_bb_reorder;
  32 #else
  33 #define this_target_bb_reorder (&default_target_bb_reorder)
  34 #endif
  35
  36 extern int get_uncond_jump_length (void);
  37
  38 extern void insert_section_boundary_note (void);
  39
  40 #endif