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- /* Compilation switch flag definitions for GNU CC.
- Copyright (C) 1987 Free Software Foundation, Inc.
-
- This file is part of GNU CC.
-
- GNU CC is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY. No author or distributor
- accepts responsibility to anyone for the consequences of using it
- or for whether it serves any particular purpose or works at all,
- unless he says so in writing. Refer to the GNU CC General Public
- License for full details.
-
- Everyone is granted permission to copy, modify and redistribute
- GNU CC, but only under the conditions described in the
- GNU CC General Public License. A copy of this license is
- supposed to have been given to you along with GNU CC so you
- can know your rights and responsibilities. It should be in a
- file named COPYING. Among other things, the copyright notice
- and this notice must be preserved on all copies. */
-
- /* Name of the input .c file being compiled. */
- extern char *main_input_filename;
-
- /* 1 => write gdb debugging output (using symout.c).
- 2 => write dbx debugging output (using dbxout.c).
- 3 => write sdb debugging output (using sdbout.c). */
- enum debugger { NO_DEBUG = 0, GDB_DEBUG = 1, DBX_DEBUG = 2, SDB_DEBUG = 3,
- EXTENDED_DBX_DEBUG = 4 };
-
- extern enum debugger write_symbols;
-
- /* Nonzero means use GDB-only extensions of DBX format. */
- extern int use_gdb_dbx_extensions;
-
- /* Nonzero means do optimizations. -opt. */
-
- extern int optimize;
-
- /* Nonzero means do stupid register allocation. -noreg.
- This and `optimize' are controlled by different switches in cc1,
- but normally cc controls them both with the -O switch. */
-
- extern int obey_regdecls;
-
- /* Don't print functions as they are compiled and don't print
- times taken by the various passes. -quiet. */
-
- extern int quiet_flag;
-
- /* Don't print warning messages. -w. */
-
- extern int inhibit_warnings;
-
- /* Do print extra warnings (such as for uninitialized variables). -W. */
-
- extern int extra_warnings;
-
- /* Nonzero if generating code to do profiling. */
-
- extern int profile_flag;
-
- /* Nonzero for -pedantic switch: warn about anything
- that standard C forbids. */
-
- extern int pedantic;
-
- /* Nonzero means `$' can be in an identifier. */
-
- extern int dollars_in_ident;
-
- /* Now the symbols that are set with `-f' switches. */
-
- /* Nonzero for -fforce-mem: load memory value into a register
- before arithmetic on it. This makes better cse but slower compilation. */
-
- extern int flag_force_mem;
-
- /* Nonzero for -fforce-addr: load memory address into a register before
- reference to memory. This makes better cse but slower compilation. */
-
- extern int flag_force_addr;
-
- /* Nonzero for -fdefer-pop: don't pop args after each function call;
- instead save them up to pop many calls' args with one insns. */
-
- extern int flag_defer_pop;
-
- /* Nonzero for -ffloat-store: don't allocate floats and doubles
- in extended-precision registers. */
-
- extern int flag_float_store;
-
- /* Nonzero for -fcombine-regs:
- allow instruction combiner to combine an insn
- that just copies one reg to another. */
-
- extern int flag_combine_regs;
-
- /* Nonzero for -fwritable-strings:
- store string constants in data segment and don't uniquize them. */
-
- extern int flag_writable_strings;
-
- /* Nonzero means don't put addresses of constant functions in registers.
- Used for compiling the Unix kernel, where strange substitutions are
- done on the assembly output. */
-
- extern int flag_no_function_cse;
-
- /* Nonzero for -fomit-frame-pointer:
- don't make a frame pointer in simple functions that don't require one. */
-
- extern int flag_omit_frame_pointer;
-
- /* This isn't a flag, but everyone who needs flag_omit_frame_pointer
- also needs this.
- Nonzero means current function must be given a frame pointer.
- Set in stmt.c if anything is allocated on the stack there.
- Set in reload1.c if anything is allocated on the stack there. */
-
- extern int frame_pointer_needed;
-
- /* Nonzero to inhibit use of define_optimization peephole opts. */
-
- extern int flag_no_peephole;
-
- /* Nonzero means `char' should be signed. */
-
- extern int flag_signed_char;
-
- /* Nonzero means allow type mismatches in conditional expressions;
- just make their values `void'. */
-
- extern int flag_cond_mismatch;
-
- /* Nonzero means don't recognize the keyword `asm'. */
-
- extern int flag_no_asm;
-
- /* Nonzero means warn about implicit declarations. */
-
- extern int warn_implicit;
-
- /* Nonzero means warn about function definitions that default the return type
- or that use a null return and have a return-type other than void. */
-
- extern int warn_return_type;
-
- /* Nonzero means do some things the same way PCC does. */
-
- extern int flag_traditional;
-
- /* Nonzero means all references through pointers are volatile. */
-
- extern int flag_volatile;
-
- /* Nonzero means make functions that look like good inline candidates
- go inline. */
-
- extern int flag_inline_functions;
-
- /* Nonzero for -fkeep-inline-functions: even if we make a function
- go inline everywhere, keep its defintion around for debugging
- purposes. */
-
- extern int flag_keep_inline_functions;
-