1 | /* Data structure definitions for common hooks. |
2 | Copyright (C) 2010-2024 Free Software Foundation, Inc. |
3 | |
4 | This program is free software; you can redistribute it and/or modify it |
5 | under the terms of the GNU General Public License as published by the |
6 | Free Software Foundation; either version 3, or (at your option) any |
7 | later version. |
8 | |
9 | This program is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | GNU General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU General Public License |
15 | along with this program; see the file COPYING3. If not see |
16 | <http://www.gnu.org/licenses/>. |
17 | |
18 | In other words, you are welcome to use, share and improve this program. |
19 | You are forbidden to forbid anyone else to use, share and improve |
20 | what you give them. Help stamp out software-hoarding! */ |
21 | |
22 | #ifndef GCC_COMMON_TARGET_H |
23 | #define GCC_COMMON_TARGET_H |
24 | |
25 | |
26 | /* Sets of optimization levels at which an option may be enabled by |
27 | default_options_optimization. */ |
28 | enum opt_levels |
29 | { |
30 | OPT_LEVELS_NONE, /* No levels (mark end of array). */ |
31 | OPT_LEVELS_ALL, /* All levels (used by targets to disable options |
32 | enabled in target-independent code). */ |
33 | OPT_LEVELS_0_ONLY, /* -O0 only. */ |
34 | OPT_LEVELS_1_PLUS, /* -O1 and above, including -Os and -Og. */ |
35 | OPT_LEVELS_1_PLUS_SPEED_ONLY, /* -O1 and above, but not -Os or -Og. */ |
36 | OPT_LEVELS_1_PLUS_NOT_DEBUG, /* -O1 and above, but not -Og. */ |
37 | OPT_LEVELS_2_PLUS, /* -O2 and above, including -Os. */ |
38 | OPT_LEVELS_2_PLUS_SPEED_ONLY, /* -O2 and above, but not -Os or -Og. */ |
39 | OPT_LEVELS_3_PLUS, /* -O3 and above. */ |
40 | OPT_LEVELS_3_PLUS_AND_SIZE, /* -O3 and above and -Os. */ |
41 | OPT_LEVELS_SIZE, /* -Os only. */ |
42 | OPT_LEVELS_FAST /* -Ofast only. */ |
43 | }; |
44 | |
45 | /* Description of options to enable by default at given levels. */ |
46 | struct default_options |
47 | { |
48 | /* The levels at which to enable the option. */ |
49 | enum opt_levels levels; |
50 | |
51 | /* The option index and argument or enabled/disabled sense of the |
52 | option, as passed to handle_generated_option. If ARG is NULL and |
53 | the option allows a negative form, the option is considered to be |
54 | passed in negative form when the optimization level is not one of |
55 | those in LEVELS (in order to handle changes to the optimization |
56 | level with the "optimize" attribute). */ |
57 | size_t opt_index; |
58 | const char *arg; |
59 | int value; |
60 | }; |
61 | |
62 | #define DEFHOOKPOD(NAME, DOC, TYPE, INIT) TYPE NAME; |
63 | #define DEFHOOK(NAME, DOC, TYPE, PARAMS, INIT) TYPE (* NAME) PARAMS; |
64 | #define DEFHOOK_UNDOC DEFHOOK |
65 | #define HOOKSTRUCT(FRAGMENT) FRAGMENT |
66 | |
67 | #include "common-target.def" |
68 | |
69 | extern struct gcc_targetm_common targetm_common; |
70 | |
71 | #endif /* GCC_C_TARGET_H */ |
72 | |