1 /* Compilation switch flag definitions for GCC. 2 Copyright (C) 1987-2013 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 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. 10 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. 15 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/>. */ 19 20 #ifndef GCC_FLAGS_H 21 #define GCC_FLAGS_H 22 23 #include "flag-types.h" 24 #include "options.h" 25 26 #if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS) 27 28 /* Names of debug_info_type, for error messages. */ 29 extern const char *const debug_type_names[]; 30 31 extern void strip_off_ending (char *, int); 32 extern int base_of_path (const char *path, const char **base_out); 33 34 /* Return true iff flags are set as if -ffast-math. */ 35 extern bool fast_math_flags_set_p (const struct gcc_options *); 36 extern bool fast_math_flags_struct_set_p (struct cl_optimization *); 37 38 39 /* Now the symbols that are set with `-f' switches. */ 41 42 /* True if printing into -fdump-final-insns= dump. */ 43 44 extern bool final_insns_dump_p; 45 46 47 /* Other basic status info about current function. */ 49 50 /* Target-dependent global state. */ 51 struct target_flag_state { 52 /* Values of the -falign-* flags: how much to align labels in code. 53 0 means `use default', 1 means `don't align'. 54 For each variable, there is an _log variant which is the power 55 of two not less than the variable, for .align output. */ 56 int x_align_loops_log; 57 int x_align_loops_max_skip; 58 int x_align_jumps_log; 59 int x_align_jumps_max_skip; 60 int x_align_labels_log; 61 int x_align_labels_max_skip; 62 int x_align_functions_log; 63 64 /* The excess precision currently in effect. */ 65 enum excess_precision x_flag_excess_precision; 66 }; 67 68 extern struct target_flag_state default_target_flag_state; 69 #if SWITCHABLE_TARGET 70 extern struct target_flag_state *this_target_flag_state; 71 #else 72 #define this_target_flag_state (&default_target_flag_state) 73 #endif 74 75 #define align_loops_log \ 76 (this_target_flag_state->x_align_loops_log) 77 #define align_loops_max_skip \ 78 (this_target_flag_state->x_align_loops_max_skip) 79 #define align_jumps_log \ 80 (this_target_flag_state->x_align_jumps_log) 81 #define align_jumps_max_skip \ 82 (this_target_flag_state->x_align_jumps_max_skip) 83 #define align_labels_log \ 84 (this_target_flag_state->x_align_labels_log) 85 #define align_labels_max_skip \ 86 (this_target_flag_state->x_align_labels_max_skip) 87 #define align_functions_log \ 88 (this_target_flag_state->x_align_functions_log) 89 #define flag_excess_precision \ 90 (this_target_flag_state->x_flag_excess_precision) 91 92 /* Returns TRUE if generated code should match ABI version N or 93 greater is in use. */ 94 95 #define abi_version_at_least(N) \ 96 (flag_abi_version == 0 || flag_abi_version >= (N)) 97 98 /* Whether to emit an overflow warning whose code is C. */ 99 #define issue_strict_overflow_warning(c) (warn_strict_overflow >= (int) (c)) 100 101 #endif 102 103 #endif /* ! GCC_FLAGS_H */ 104
