1 /* Communication between the Local Register Allocator (LRA) and
2    the rest of the compiler.
3    Copyright (C) 2010-2021 Free Software Foundation, Inc.
4    Contributed by Vladimir Makarov <vmakarov@redhat.com>.
5 
6 This file is part of GCC.
7 
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
11 version.
12 
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16 for more details.
17 
18 You should have received a copy of the GNU General Public License
19 along 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 
25 extern 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.  */
30 static inline enum reg_class
lra_get_allocno_class(int regno)31 lra_get_allocno_class (int regno)
32 {
33   resize_reg_info ();
34   return reg_allocno_class (regno);
35 }
36 
37 extern rtx lra_create_new_reg (machine_mode, rtx, enum reg_class,
38 			       const char *);
39 extern rtx lra_eliminate_regs (rtx, machine_mode, rtx);
40 extern void lra (FILE *);
41 extern void lra_init_once (void);
42 extern void lra_finish_once (void);
43 
44 #endif /* GCC_LRA_H */
45