Daily bump.
[official-gcc.git] / gcc / flags.h
blob59f45d2919c1421451af86e9827a75fdbb5d737f
1 /* Compilation switch flag definitions for GCC.
2 Copyright (C) 1987-2017 Free Software Foundation, Inc.
4 This file is part of GCC.
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.
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.
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/>. */
20 #ifndef GCC_FLAGS_H
21 #define GCC_FLAGS_H
23 #if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)
25 /* Names of debug_info_type, for error messages. */
26 extern const char *const debug_type_names[];
28 extern void strip_off_ending (char *, int);
29 extern int base_of_path (const char *path, const char **base_out);
31 /* Return true iff flags are set as if -ffast-math. */
32 extern bool fast_math_flags_set_p (const struct gcc_options *);
33 extern bool fast_math_flags_struct_set_p (struct cl_optimization *);
36 /* Now the symbols that are set with `-f' switches. */
38 /* True if printing into -fdump-final-insns= dump. */
40 extern bool final_insns_dump_p;
43 /* Other basic status info about current function. */
45 /* Target-dependent global state. */
46 struct target_flag_state {
47 /* Values of the -falign-* flags: how much to align labels in code.
48 0 means `use default', 1 means `don't align'.
49 For each variable, there is an _log variant which is the power
50 of two not less than the variable, for .align output. */
51 int x_align_loops_log;
52 int x_align_loops_max_skip;
53 int x_align_jumps_log;
54 int x_align_jumps_max_skip;
55 int x_align_labels_log;
56 int x_align_labels_max_skip;
57 int x_align_functions_log;
59 /* The excess precision currently in effect. */
60 enum excess_precision x_flag_excess_precision;
63 extern struct target_flag_state default_target_flag_state;
64 #if SWITCHABLE_TARGET
65 extern struct target_flag_state *this_target_flag_state;
66 #else
67 #define this_target_flag_state (&default_target_flag_state)
68 #endif
70 #define align_loops_log \
71 (this_target_flag_state->x_align_loops_log)
72 #define align_loops_max_skip \
73 (this_target_flag_state->x_align_loops_max_skip)
74 #define align_jumps_log \
75 (this_target_flag_state->x_align_jumps_log)
76 #define align_jumps_max_skip \
77 (this_target_flag_state->x_align_jumps_max_skip)
78 #define align_labels_log \
79 (this_target_flag_state->x_align_labels_log)
80 #define align_labels_max_skip \
81 (this_target_flag_state->x_align_labels_max_skip)
82 #define align_functions_log \
83 (this_target_flag_state->x_align_functions_log)
84 #define flag_excess_precision \
85 (this_target_flag_state->x_flag_excess_precision)
87 /* Returns TRUE if generated code should match ABI version N or
88 greater is in use. */
90 #define abi_version_at_least(N) \
91 (flag_abi_version == 0 || flag_abi_version >= (N))
93 /* Whether to emit an overflow warning whose code is C. */
94 #define issue_strict_overflow_warning(c) (warn_strict_overflow >= (int) (c))
96 #endif
98 #endif /* ! GCC_FLAGS_H */