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c49a6962 | 1 | /* Data structure definitions for common hooks. |
99dee823 | 2 | Copyright (C) 2010-2021 Free Software Foundation, Inc. |
c49a6962 JM |
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 | ||
677f3fa8 JM |
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. */ | |
9745abfd RG |
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. */ | |
677f3fa8 | 37 | OPT_LEVELS_2_PLUS, /* -O2 and above, including -Os. */ |
9745abfd | 38 | OPT_LEVELS_2_PLUS_SPEED_ONLY, /* -O2 and above, but not -Os or -Og. */ |
677f3fa8 JM |
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 | ||
c49a6962 JM |
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 */ |