xref: /dragonfly/contrib/gcc-8.0/gcc/gcse-common.h (revision 38fd1498)
1*38fd1498Szrj /* Structures and prototypes common across the normal GCSE
2*38fd1498Szrj    implementation and the post-reload implementation.
3*38fd1498Szrj    Copyright (C) 1997-2018 Free Software Foundation, Inc.
4*38fd1498Szrj 
5*38fd1498Szrj This file is part of GCC.
6*38fd1498Szrj 
7*38fd1498Szrj GCC is free software; you can redistribute it and/or modify it under
8*38fd1498Szrj the terms of the GNU General Public License as published by the Free
9*38fd1498Szrj Software Foundation; either version 3, or (at your option) any later
10*38fd1498Szrj version.
11*38fd1498Szrj 
12*38fd1498Szrj GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13*38fd1498Szrj WARRANTY; without even the implied warranty of MERCHANTABILITY or
14*38fd1498Szrj FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15*38fd1498Szrj for more details.
16*38fd1498Szrj 
17*38fd1498Szrj You should have received a copy of the GNU General Public License
18*38fd1498Szrj along with GCC; see the file COPYING3.  If not see
19*38fd1498Szrj <http://www.gnu.org/licenses/>.  */
20*38fd1498Szrj 
21*38fd1498Szrj #ifndef GCC_GCSE_COMMON_H
22*38fd1498Szrj #define GCC_GCSE_COMMON_H
23*38fd1498Szrj 
24*38fd1498Szrj typedef vec<rtx_insn *> vec_rtx_heap;
25*38fd1498Szrj struct modify_pair
26*38fd1498Szrj {
27*38fd1498Szrj   rtx dest;                     /* A MEM.  */
28*38fd1498Szrj   rtx dest_addr;                /* The canonical address of `dest'.  */
29*38fd1498Szrj };
30*38fd1498Szrj 
31*38fd1498Szrj typedef vec<modify_pair> vec_modify_pair_heap;
32*38fd1498Szrj 
33*38fd1498Szrj struct gcse_note_stores_info
34*38fd1498Szrj {
35*38fd1498Szrj   rtx_insn *insn;
36*38fd1498Szrj   vec<modify_pair> *canon_mem_list;
37*38fd1498Szrj };
38*38fd1498Szrj 
39*38fd1498Szrj extern void compute_transp (const_rtx, int, sbitmap *, bitmap,
40*38fd1498Szrj 			    bitmap, vec<modify_pair> *);
41*38fd1498Szrj extern void record_last_mem_set_info_common (rtx_insn *,
42*38fd1498Szrj 					     vec<rtx_insn *> *,
43*38fd1498Szrj 					     vec<modify_pair> *,
44*38fd1498Szrj 					     bitmap, bitmap);
45*38fd1498Szrj 
46*38fd1498Szrj 
47*38fd1498Szrj #endif
48