1 | /* Definitions for computing resource usage of specific insns. |
2 | Copyright (C) 1999-2023 Free Software Foundation, Inc. |
3 | |
4 | This file is part of GCC. |
5 | |
6 | GCC is free software; you can redistribute it and/or modify it under |
7 | the terms of the GNU General Public License as published by the Free |
8 | Software Foundation; either version 3, or (at your option) any later |
9 | version. |
10 | |
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
14 | for more details. |
15 | |
16 | You should have received a copy of the GNU General Public License |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ |
19 | |
20 | #ifndef GCC_RESOURCE_H |
21 | #define GCC_RESOURCE_H |
22 | |
23 | /* Macro to clear all resources. */ |
24 | #define CLEAR_RESOURCE(RES) \ |
25 | do { (RES)->memory = (RES)->volatil = (RES)->cc = 0; \ |
26 | CLEAR_HARD_REG_SET ((RES)->regs); } while (0) |
27 | |
28 | /* The resources used by a given insn. */ |
29 | struct resources |
30 | { |
31 | char memory; /* Insn sets or needs a memory location. */ |
32 | char volatil; /* Insn sets or needs a volatile memory loc. */ |
33 | char cc; /* Insn sets or needs the condition codes. */ |
34 | HARD_REG_SET regs; /* Which registers are set or needed. */ |
35 | }; |
36 | |
37 | /* The kinds of rtl mark_*_resources will consider */ |
38 | enum mark_resource_type |
39 | { |
40 | MARK_SRC_DEST = 0, |
41 | MARK_SRC_DEST_CALL = 1 |
42 | }; |
43 | |
44 | extern void mark_target_live_regs (rtx_insn *, rtx, struct resources *); |
45 | extern void mark_set_resources (rtx, struct resources *, int, |
46 | enum mark_resource_type); |
47 | extern void mark_referenced_resources (rtx, struct resources *, bool); |
48 | extern void clear_hashed_info_for_insn (rtx_insn *); |
49 | extern void clear_hashed_info_until_next_barrier (rtx_insn *); |
50 | extern void incr_ticks_for_insn (rtx_insn *); |
51 | extern void mark_end_of_function_resources (rtx, bool); |
52 | extern void init_resource_info (rtx_insn *); |
53 | extern void free_resource_info (void); |
54 | |
55 | #endif /* GCC_RESOURCE_H */ |
56 | |