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. */
24struct target_bb_reorder {
25 /* Length of unconditional jump instruction. */
26 int x_uncond_jump_length;
27};
28
29extern struct target_bb_reorder default_target_bb_reorder;
30#if SWITCHABLE_TARGET
31extern struct target_bb_reorder *this_target_bb_reorder;
32#else
33#define this_target_bb_reorder (&default_target_bb_reorder)
34#endif
35
36extern int get_uncond_jump_length (void);
37
38extern void insert_section_boundary_note (void);
39
40#endif
41