Mercurial > hg > CbC > CbC_gcc
view gcc/flags.h @ 125:2c7bdd5a49f6
supress return with no value, in function returning non-void warning on goto code segment in normal function
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Sun, 01 Apr 2018 14:05:45 +0900 |
parents | 04ced10e8804 |
children | 84e7813d76e9 |
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/* Compilation switch flag definitions for GCC. Copyright (C) 1987-2017 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. */ /* 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 */