1 /* Compilation switch flag definitions for GCC. 2 Copyright (C) 1987-2020 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 #if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS) 24 25 /* Names of debug_info_type, for error messages. */ 26 extern const char *const debug_type_names[]; 27 28 extern void strip_off_ending (char *, int); 29 extern int base_of_path (const char *path, const char **base_out); 30 31 /* Return true iff flags are set as if -ffast-math. */ 32 extern bool fast_math_flags_set_p (const struct gcc_options *); 33 extern bool fast_math_flags_struct_set_p (struct cl_optimization *); 34 35 36 /* Now the symbols that are set with `-f' switches. */ 37 38 /* True if printing into -fdump-final-insns= dump. */ 39 40 extern bool final_insns_dump_p; 41 42 43 /* Other basic status info about current function. */ 44 45 class target_flag_state 46 { 47 public: 48 /* Each falign-foo can generate up to two levels of alignment: 49 -falign-foo=N:M[:N2:M2] */ 50 align_flags x_align_loops; 51 align_flags x_align_jumps; 52 align_flags x_align_labels; 53 align_flags x_align_functions; 54 }; 55 56 extern class target_flag_state default_target_flag_state; 57 #if SWITCHABLE_TARGET 58 extern class target_flag_state *this_target_flag_state; 59 #else 60 #define this_target_flag_state (&default_target_flag_state) 61 #endif 62 63 #define align_loops (this_target_flag_state->x_align_loops) 64 #define align_jumps (this_target_flag_state->x_align_jumps) 65 #define align_labels (this_target_flag_state->x_align_labels) 66 #define align_functions (this_target_flag_state->x_align_functions) 67 68 /* Returns TRUE if generated code should match ABI version N or 69 greater is in use. */ 70 71 #define abi_version_at_least(N) \ 72 (flag_abi_version == 0 || flag_abi_version >= (N)) 73 74 /* Whether to emit an overflow warning whose code is C. */ 75 #define issue_strict_overflow_warning(c) (warn_strict_overflow >= (int) (c)) 76 77 #endif 78 79 #endif /* ! GCC_FLAGS_H */ 80