1 /* Structures and prototypes common across the normal GCSE
2    implementation and the post-reload implementation.
3    Copyright (C) 1997-2018 Free Software Foundation, Inc.
4 
5 This file is part of GCC.
6 
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
10 version.
11 
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15 for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3.  If not see
19 <http://www.gnu.org/licenses/>.  */
20 
21 #ifndef GCC_GCSE_COMMON_H
22 #define GCC_GCSE_COMMON_H
23 
24 typedef vec<rtx_insn *> vec_rtx_heap;
25 struct modify_pair
26 {
27   rtx dest;                     /* A MEM.  */
28   rtx dest_addr;                /* The canonical address of `dest'.  */
29 };
30 
31 typedef vec<modify_pair> vec_modify_pair_heap;
32 
33 struct gcse_note_stores_info
34 {
35   rtx_insn *insn;
36   vec<modify_pair> *canon_mem_list;
37 };
38 
39 extern void compute_transp (const_rtx, int, sbitmap *, bitmap,
40 			    bitmap, vec<modify_pair> *);
41 extern void record_last_mem_set_info_common (rtx_insn *,
42 					     vec<rtx_insn *> *,
43 					     vec<modify_pair> *,
44 					     bitmap, bitmap);
45 
46 
47 #endif
48