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/* Compilation switch flag definitions for GCC.
Copyright (C) 1987-2018 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_FLAGS_H
#define GCC_FLAGS_H
#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)
/* Names of debug_info_type, for error messages. */
extern const char *const debug_type_names[];
extern void strip_off_ending (char *, int);
extern int base_of_path (const char *path, const char **base_out);
/* Return true iff flags are set as if -ffast-math. */
extern bool fast_math_flags_set_p (const struct gcc_options *);
extern bool fast_math_flags_struct_set_p (struct cl_optimization *);
/* Now the symbols that are set with `-f' switches. */
/* True if printing into -fdump-final-insns= dump. */
extern bool final_insns_dump_p;
/* Other basic status info about current function. */
/* Align flags tuple with alignment in log form and with a maximum skip. */
struct align_flags_tuple
{
/* Values of the -falign-* flags: how much to align labels in code.
log is "align to 2^log" (so 0 means no alignment).
maxskip is the maximum allowed amount of padding to insert. */
int log;
int maxskip;
};
/* Target-dependent global state. */
struct align_flags
{
align_flags_tuple levels[2];
};
struct target_flag_state
{
/* Each falign-foo can generate up to two levels of alignment:
-falign-foo=N:M[:N2:M2] */
align_flags x_align_loops;
align_flags x_align_jumps;
align_flags x_align_labels;
align_flags x_align_functions;
/* The excess precision currently in effect. */
enum excess_precision x_flag_excess_precision;
};
extern struct target_flag_state default_target_flag_state;
#if SWITCHABLE_TARGET
extern struct target_flag_state *this_target_flag_state;
#else
#define this_target_flag_state (&default_target_flag_state)
#endif
#define state_align_loops (this_target_flag_state->x_align_loops)
#define state_align_jumps (this_target_flag_state->x_align_jumps)
#define state_align_labels (this_target_flag_state->x_align_labels)
#define state_align_functions (this_target_flag_state->x_align_functions)
#define align_loops_log (state_align_loops.levels[0].log)
#define align_jumps_log (state_align_jumps.levels[0].log)
#define align_labels_log (state_align_labels.levels[0].log)
#define align_functions_log (state_align_functions.levels[0].log)
#define align_loops_max_skip (state_align_loops.levels[0].maxskip)
#define align_jumps_max_skip (state_align_jumps.levels[0].maxskip)
#define align_labels_max_skip (state_align_labels.levels[0].maxskip)
#define align_functions_max_skip (state_align_functions.levels[0].maxskip)
#define align_loops_value (align_loops_max_skip + 1)
#define align_jumps_value (align_jumps_max_skip + 1)
#define align_labels_value (align_labels_max_skip + 1)
#define align_functions_value (align_functions_max_skip + 1)
/* String representaions of the above options are available in
const char *str_align_foo. NULL if not set. */
#define flag_excess_precision \
(this_target_flag_state->x_flag_excess_precision)
/* Returns TRUE if generated code should match ABI version N or
greater is in use. */
#define abi_version_at_least(N) \
(flag_abi_version == 0 || flag_abi_version >= (N))
/* Whether to emit an overflow warning whose code is C. */
#define issue_strict_overflow_warning(c) (warn_strict_overflow >= (int) (c))
#endif
#endif /* ! GCC_FLAGS_H */
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