1/* Miscellaneous transactional memory support definitions.
2   Copyright (C) 2009-2020 Free Software Foundation, Inc.
3   Contributed by Richard Henderson <rth@redhat.com>
4   and Aldy Hernandez <aldyh@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_TRANS_MEM_H
23#define GCC_TRANS_MEM_H
24
25/* These defines must match the enumerations in libitm.h.  */
26#define PR_INSTRUMENTEDCODE	0x0001
27#define PR_UNINSTRUMENTEDCODE	0x0002
28#define PR_MULTIWAYCODE		(PR_INSTRUMENTEDCODE | PR_UNINSTRUMENTEDCODE)
29#define PR_HASNOXMMUPDATE	0x0004
30#define PR_HASNOABORT		0x0008
31#define PR_HASNOIRREVOCABLE	0x0020
32#define PR_DOESGOIRREVOCABLE	0x0040
33#define PR_HASNOSIMPLEREADS	0x0080
34#define PR_AWBARRIERSOMITTED	0x0100
35#define PR_RARBARRIERSOMITTED	0x0200
36#define PR_UNDOLOGCODE		0x0400
37#define PR_PREFERUNINSTRUMENTED	0x0800
38#define PR_EXCEPTIONBLOCK	0x1000
39#define PR_HASELSE		0x2000
40#define PR_READONLY		0x4000
41
42extern void compute_transaction_bits (void);
43extern bool is_tm_ending (gimple *);
44extern tree build_tm_abort_call (location_t, bool);
45extern bool is_tm_safe (const_tree);
46extern bool is_tm_pure (const_tree);
47extern bool is_tm_may_cancel_outer (tree);
48extern bool is_tm_ending_fndecl (tree);
49extern void record_tm_replacement (tree, tree);
50extern void tm_malloc_replacement (tree);
51
52#endif  // GCC_TRANS_MEM_H
53