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29bd1808 | 1 | /* Definitions for computing resource usage of specific insns. |
fbd26352 | 2 | Copyright (C) 1999-2019 Free Software Foundation, Inc. |
29bd1808 | 3 | |
f12b58b3 | 4 | This file is part of GCC. |
29bd1808 | 5 | |
f12b58b3 | 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 | |
8c4c00c1 | 8 | Software Foundation; either version 3, or (at your option) any later |
f12b58b3 | 9 | version. |
29bd1808 | 10 | |
f12b58b3 | 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. | |
29bd1808 | 15 | |
16 | You should have received a copy of the GNU General Public License | |
8c4c00c1 | 17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ | |
29bd1808 | 19 | |
bcf3c70d | 20 | #ifndef GCC_RESOURCE_H |
21 | #define GCC_RESOURCE_H | |
22 | ||
29bd1808 | 23 | /* Macro to clear all resources. */ |
24 | #define CLEAR_RESOURCE(RES) \ | |
e1ed78c8 | 25 | do { (RES)->memory = (RES)->volatil = (RES)->cc = 0; \ |
29bd1808 | 26 | CLEAR_HARD_REG_SET ((RES)->regs); } while (0) |
27 | ||
88b5b080 | 28 | /* The resources used by a given insn. */ |
29bd1808 | 29 | struct resources |
30 | { | |
31 | char memory; /* Insn sets or needs a memory location. */ | |
29bd1808 | 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 | ||
d2137327 | 37 | /* The kinds of rtl mark_*_resources will consider */ |
38 | enum mark_resource_type | |
39 | { | |
40 | MARK_SRC_DEST = 0, | |
fbb30aa4 | 41 | MARK_SRC_DEST_CALL = 1 |
d2137327 | 42 | }; |
43 | ||
c2c03a95 | 44 | extern void mark_target_live_regs (rtx_insn *, rtx, struct resources *); |
3ad4992f | 45 | extern void mark_set_resources (rtx, struct resources *, int, |
46 | enum mark_resource_type); | |
10a15ee4 | 47 | extern void mark_referenced_resources (rtx, struct resources *, bool); |
2cf26c51 | 48 | extern void clear_hashed_info_for_insn (rtx_insn *); |
49 | extern void incr_ticks_for_insn (rtx_insn *); | |
10a15ee4 | 50 | extern void mark_end_of_function_resources (rtx, bool); |
2cf26c51 | 51 | extern void init_resource_info (rtx_insn *); |
3ad4992f | 52 | extern void free_resource_info (void); |
bcf3c70d | 53 | |
54 | #endif /* GCC_RESOURCE_H */ |