1  /* Basic block reordering routines for the GNU compiler.
       2     Copyright (C) 2000-2023 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