/* Compilation switch flag definitions for GCC.
   Copyright (C) 1987, 1988, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002,
   2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
   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

#include "flag-types.h"
#include "options.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.  */

/* Target-dependent global state.  */
struct target_flag_state {
  /* Values of the -falign-* flags: how much to align labels in code.
     0 means `use default', 1 means `don't align'.
     For each variable, there is an _log variant which is the power
     of two not less than the variable, for .align output.  */
  int x_align_loops_log;
  int x_align_loops_max_skip;
  int x_align_jumps_log;
  int x_align_jumps_max_skip;
  int x_align_labels_log;
  int x_align_labels_max_skip;
  int x_align_functions_log;

  /* 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 align_loops_log \
  (this_target_flag_state->x_align_loops_log)
#define align_loops_max_skip \
  (this_target_flag_state->x_align_loops_max_skip)
#define align_jumps_log \
  (this_target_flag_state->x_align_jumps_log)
#define align_jumps_max_skip \
  (this_target_flag_state->x_align_jumps_max_skip)
#define align_labels_log \
  (this_target_flag_state->x_align_labels_log)
#define align_labels_max_skip \
  (this_target_flag_state->x_align_labels_max_skip)
#define align_functions_log \
  (this_target_flag_state->x_align_functions_log)
#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 */