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72 lines
2.7 KiB
C
72 lines
2.7 KiB
C
/* Data structure definitions for common hooks.
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Copyright (C) 2010-2019 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>.
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In other words, you are welcome to use, share and improve this program.
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You are forbidden to forbid anyone else to use, share and improve
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what you give them. Help stamp out software-hoarding! */
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#ifndef GCC_COMMON_TARGET_H
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#define GCC_COMMON_TARGET_H
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/* Sets of optimization levels at which an option may be enabled by
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default_options_optimization. */
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enum opt_levels
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{
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OPT_LEVELS_NONE, /* No levels (mark end of array). */
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OPT_LEVELS_ALL, /* All levels (used by targets to disable options
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enabled in target-independent code). */
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OPT_LEVELS_0_ONLY, /* -O0 only. */
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OPT_LEVELS_1_PLUS, /* -O1 and above, including -Os and -Og. */
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OPT_LEVELS_1_PLUS_SPEED_ONLY, /* -O1 and above, but not -Os or -Og. */
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OPT_LEVELS_1_PLUS_NOT_DEBUG, /* -O1 and above, but not -Og. */
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OPT_LEVELS_2_PLUS, /* -O2 and above, including -Os. */
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OPT_LEVELS_2_PLUS_SPEED_ONLY, /* -O2 and above, but not -Os or -Og. */
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OPT_LEVELS_3_PLUS, /* -O3 and above. */
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OPT_LEVELS_3_PLUS_AND_SIZE, /* -O3 and above and -Os. */
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OPT_LEVELS_SIZE, /* -Os only. */
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OPT_LEVELS_FAST /* -Ofast only. */
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};
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/* Description of options to enable by default at given levels. */
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struct default_options
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{
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/* The levels at which to enable the option. */
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enum opt_levels levels;
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/* The option index and argument or enabled/disabled sense of the
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option, as passed to handle_generated_option. If ARG is NULL and
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the option allows a negative form, the option is considered to be
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passed in negative form when the optimization level is not one of
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those in LEVELS (in order to handle changes to the optimization
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level with the "optimize" attribute). */
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size_t opt_index;
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const char *arg;
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int value;
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};
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#define DEFHOOKPOD(NAME, DOC, TYPE, INIT) TYPE NAME;
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#define DEFHOOK(NAME, DOC, TYPE, PARAMS, INIT) TYPE (* NAME) PARAMS;
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#define DEFHOOK_UNDOC DEFHOOK
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#define HOOKSTRUCT(FRAGMENT) FRAGMENT
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#include "common-target.def"
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extern struct gcc_targetm_common targetm_common;
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#endif /* GCC_C_TARGET_H */
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