1/* Communication between the Local Register Allocator (LRA) and
2 the rest of the compiler.
3 Copyright (C) 2010-2017 Free Software Foundation, Inc.
4 Contributed by Vladimir Makarov <vmakarov@redhat.com>.
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify it under
9the terms of the GNU General Public License as published by the Free
10Software Foundation; either version 3, or (at your option) any later
11version.
12
13GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License
19along with GCC; see the file COPYING3. If not see
20<http://www.gnu.org/licenses/>. */
21
22#ifndef GCC_LRA_H
23#define GCC_LRA_H
24
25extern bool lra_simple_p;
26
27/* Return the allocno reg class of REGNO. If it is a reload pseudo,
28 the pseudo should finally get hard register of the allocno
29 class. */
30static inline enum reg_class
31lra_get_allocno_class (int regno)
32{
33 resize_reg_info ();
34 return reg_allocno_class (regno);
35}
36
37extern rtx lra_create_new_reg (machine_mode, rtx, enum reg_class,
38 const char *);
39extern rtx lra_eliminate_regs (rtx, machine_mode, rtx);
40extern void lra (FILE *);
41extern void lra_init_once (void);
42extern void lra_finish_once (void);
43
44#endif /* GCC_LRA_H */
45