1 /* Compilation switch flag definitions for GCC.
2 Copyright (C) 1987, 1988, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002,
3 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
4 Free Software Foundation, Inc.
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
25 #include "flag-types.h"
28 #if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)
30 /* Names of debug_info_type, for error messages. */
31 extern const char *const debug_type_names
[];
33 extern void strip_off_ending (char *, int);
34 extern int base_of_path (const char *path
, const char **base_out
);
36 /* Nonzero means use UPC extensions in the generated symbolic
37 debugging information (DWARF2 only). */
38 extern int use_upc_dwarf2_extensions
;
40 /* Return true iff flags are set as if -ffast-math. */
41 extern bool fast_math_flags_set_p (const struct gcc_options
*);
42 extern bool fast_math_flags_struct_set_p (struct cl_optimization
*);
45 /* Now the symbols that are set with `-f' switches. */
47 /* True if printing into -fdump-final-insns= dump. */
49 extern bool final_insns_dump_p
;
52 /* Other basic status info about current function. */
54 /* Target-dependent global state. */
55 struct target_flag_state
{
56 /* Values of the -falign-* flags: how much to align labels in code.
57 0 means `use default', 1 means `don't align'.
58 For each variable, there is an _log variant which is the power
59 of two not less than the variable, for .align output. */
60 int x_align_loops_log
;
61 int x_align_loops_max_skip
;
62 int x_align_jumps_log
;
63 int x_align_jumps_max_skip
;
64 int x_align_labels_log
;
65 int x_align_labels_max_skip
;
66 int x_align_functions_log
;
68 /* The excess precision currently in effect. */
69 enum excess_precision x_flag_excess_precision
;
72 extern struct target_flag_state default_target_flag_state
;
74 extern struct target_flag_state
*this_target_flag_state
;
76 #define this_target_flag_state (&default_target_flag_state)
79 #define align_loops_log \
80 (this_target_flag_state->x_align_loops_log)
81 #define align_loops_max_skip \
82 (this_target_flag_state->x_align_loops_max_skip)
83 #define align_jumps_log \
84 (this_target_flag_state->x_align_jumps_log)
85 #define align_jumps_max_skip \
86 (this_target_flag_state->x_align_jumps_max_skip)
87 #define align_labels_log \
88 (this_target_flag_state->x_align_labels_log)
89 #define align_labels_max_skip \
90 (this_target_flag_state->x_align_labels_max_skip)
91 #define align_functions_log \
92 (this_target_flag_state->x_align_functions_log)
93 #define flag_excess_precision \
94 (this_target_flag_state->x_flag_excess_precision)
96 /* Nonzero if we dump in VCG format, not plain text. */
97 extern int dump_for_graph
;
99 /* Returns TRUE if generated code should match ABI version N or
100 greater is in use. */
102 #define abi_version_at_least(N) \
103 (flag_abi_version == 0 || flag_abi_version >= (N))
105 /* Whether to emit an overflow warning whose code is C. */
106 #define issue_strict_overflow_warning(c) (warn_strict_overflow >= (int) (c))
110 #endif /* ! GCC_FLAGS_H */