re PR fortran/88376 (ICE in is_illegal_recursion, at fortran/resolve.c:1689)
[official-gcc.git] / gcc / flags.h
blob0ea1812d33e5efd3be1c853495bfbde2fc51f7ea
1 /* Compilation switch flag definitions for GCC.
2 Copyright (C) 1987-2019 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 struct target_flag_state
47 /* Each falign-foo can generate up to two levels of alignment:
48 -falign-foo=N:M[:N2:M2] */
49 align_flags x_align_loops;
50 align_flags x_align_jumps;
51 align_flags x_align_labels;
52 align_flags x_align_functions;
54 /* The excess precision currently in effect. */
55 enum excess_precision x_flag_excess_precision;
58 extern struct target_flag_state default_target_flag_state;
59 #if SWITCHABLE_TARGET
60 extern struct target_flag_state *this_target_flag_state;
61 #else
62 #define this_target_flag_state (&default_target_flag_state)
63 #endif
65 #define align_loops (this_target_flag_state->x_align_loops)
66 #define align_jumps (this_target_flag_state->x_align_jumps)
67 #define align_labels (this_target_flag_state->x_align_labels)
68 #define align_functions (this_target_flag_state->x_align_functions)
70 /* String representaions of the above options are available in
71 const char *str_align_foo. NULL if not set. */
73 #define flag_excess_precision \
74 (this_target_flag_state->x_flag_excess_precision)
76 /* Returns TRUE if generated code should match ABI version N or
77 greater is in use. */
79 #define abi_version_at_least(N) \
80 (flag_abi_version == 0 || flag_abi_version >= (N))
82 /* Whether to emit an overflow warning whose code is C. */
83 #define issue_strict_overflow_warning(c) (warn_strict_overflow >= (int) (c))
85 #endif
87 #endif /* ! GCC_FLAGS_H */