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Diffstat (limited to 'contrib/gcc/flags.h')
| -rw-r--r-- | contrib/gcc/flags.h | 540 |
1 files changed, 0 insertions, 540 deletions
diff --git a/contrib/gcc/flags.h b/contrib/gcc/flags.h deleted file mode 100644 index a3cc073383e3..000000000000 --- a/contrib/gcc/flags.h +++ /dev/null @@ -1,540 +0,0 @@ -/* Compilation switch flag definitions for GNU CC. - Copyright (C) 1987, 88, 94-98, 1999 Free Software Foundation, Inc. - -This file is part of GNU CC. - -GNU CC 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 2, or (at your option) -any later version. - -GNU CC 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 GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* Name of the input .c file being compiled. */ -extern char *main_input_filename; - -enum debug_info_type -{ - NO_DEBUG, /* Write no debug info. */ - DBX_DEBUG, /* Write BSD .stabs for DBX (using dbxout.c). */ - SDB_DEBUG, /* Write COFF for (old) SDB (using sdbout.c). */ - DWARF_DEBUG, /* Write Dwarf debug info (using dwarfout.c). */ - DWARF2_DEBUG, /* Write Dwarf v2 debug info (using dwarf2out.c). */ - XCOFF_DEBUG /* Write IBM/Xcoff debug info (using dbxout.c). */ -}; - -/* Specify which kind of debugging info to generate. */ -extern enum debug_info_type write_symbols; - -enum debug_info_level -{ - DINFO_LEVEL_NONE, /* Write no debugging info. */ - DINFO_LEVEL_TERSE, /* Write minimal info to support tracebacks only. */ - DINFO_LEVEL_NORMAL, /* Write info for all declarations (and line table). */ - DINFO_LEVEL_VERBOSE /* Write normal info plus #define/#undef info. */ -}; - -/* Specify how much debugging info to generate. */ -extern enum debug_info_level debug_info_level; - -/* Nonzero means use GNU-only extensions in the generated symbolic - debugging information. */ -extern int use_gnu_debug_info_extensions; - -/* Nonzero means do optimizations. -opt. */ - -extern int optimize; - -/* Nonzero means optimize for size. -Os. */ - -extern int optimize_size; - -/* Nonzero means do stupid register allocation. -noreg. - Currently, this is 1 if `optimize' is 0. */ - -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 to warn about unused local variables. */ - -extern int warn_unused; - -/* Nonzero means warn if inline function is too large. */ - -extern int warn_inline; - -/* Nonzero to warn about variables used before they are initialized. */ - -extern int warn_uninitialized; - -/* Zero if unknown pragmas are ignored - One if the compiler should warn about an unknown pragma not in - a system include file. - Greater than one if the compiler should warn for all unknown - pragmas. */ - -extern int warn_unknown_pragmas; - -/* Nonzero means warn about all declarations which shadow others. */ - -extern int warn_shadow; - -/* Warn if a switch on an enum fails to have a case for every enum value. */ - -extern int warn_switch; - -/* 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 warn about pointer casts that increase the required - alignment of the target type (and might therefore lead to a crash - due to a misaligned access). */ - -extern int warn_cast_align; - -/* Nonzero means warn that dbx info for template class methods isn't fully - supported yet. */ - -extern int warn_template_debugging; - -/* Nonzero means warn about any identifiers that match in the first N - characters. The value N is in `id_clash_len'. */ - -extern int warn_id_clash; -extern unsigned id_clash_len; - -/* Nonzero means warn about any objects definitions whose size is larger - than N bytes. Also want about function definitions whose returned - values are larger than N bytes. The value N is in `larger_than_size'. */ - -extern int warn_larger_than; -extern unsigned larger_than_size; - -/* Warn if a function returns an aggregate, - since there are often incompatible calling conventions for doing this. */ - -extern int warn_aggregate_return; - -/* Nonzero if generating code to do profiling. */ - -extern int profile_flag; - -/* Nonzero if generating code to do profiling on the basis of basic blocks. */ - -extern int profile_block_flag; - -/* Nonzero if generating code to profile program flow graph arcs. */ - -extern int profile_arc_flag; - -/* Nonzero if generating info for gcov to calculate line test coverage. */ - -extern int flag_test_coverage; - -/* Nonzero indicates that branch taken probabilities should be calculated. */ - -extern int flag_branch_probabilities; - -/* Nonzero for -pedantic switch: warn about anything - that standard C forbids. */ - -extern int pedantic; - -/* Temporarily suppress certain warnings. - This is set while reading code from a system header file. */ - -extern int in_system_header; - -/* Nonzero for -dp: annotate the assembly with a comment describing the - pattern and alternative used. */ - -extern int flag_print_asm_name; - -/* Now the symbols that are set with `-f' switches. */ - -/* Nonzero means `char' should be signed. */ - -extern int flag_signed_char; - -/* Nonzero means give an enum type only as many bytes as it needs. */ - -extern int flag_short_enums; - -/* Nonzero for -fcaller-saves: allocate values in regs that need to - be saved across function calls, if that produces overall better code. - Optional now, so people can test it. */ - -extern int flag_caller_saves; - -/* Nonzero for -fpcc-struct-return: return values the same way PCC does. */ - -extern int flag_pcc_struct_return; - -/* 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 enables strength-reduction in loop.c. */ - -extern int flag_strength_reduce; - -/* Nonzero enables loop unrolling in unroll.c. Only loops for which the - number of iterations can be calculated at compile-time (UNROLL_COMPLETELY, - UNROLL_MODULO) or at run-time (preconditioned to be UNROLL_MODULO) are - unrolled. */ - -extern int flag_unroll_loops; - -/* Nonzero enables loop unrolling in unroll.c. All loops are unrolled. - This is generally not a win. */ - -extern int flag_unroll_all_loops; - -/* Nonzero forces all invariant computations in loops to be moved - outside the loop. */ - -extern int flag_move_all_movables; - -/* Nonzero forces all general induction variables in loops to be - strength reduced. */ - -extern int flag_reduce_all_givs; - -/* Nonzero for -fcse-follow-jumps: - have cse follow jumps to do a more extensive job. */ - -extern int flag_cse_follow_jumps; - -/* Nonzero for -fcse-skip-blocks: - have cse follow a branch around a block. */ - -extern int flag_cse_skip_blocks; - -/* Nonzero for -fexpensive-optimizations: - perform miscellaneous relatively-expensive optimizations. */ -extern int flag_expensive_optimizations; - -/* 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; - -/* Nonzero to inhibit use of define_optimization peephole opts. */ - -extern int flag_no_peephole; - -/* Nonzero means all references through pointers are volatile. */ - -extern int flag_volatile; - -/* Nonzero means treat all global and extern variables as volatile. */ - -extern int flag_volatile_global; - -/* Nonzero means treat all static variables as volatile. */ - -extern int flag_volatile_static; - -/* Nonzero allows GCC to violate some IEEE or ANSI rules regarding math - operations in the interest of optimization. For example it allows - GCC to assume arguments to sqrt are nonnegative numbers, allowing - faster code for sqrt to be generated. */ - -extern int flag_fast_math; - -/* Nonzero means the front end generally wants `errno' maintained by math - operations, like built-in SQRT, unless overridden by flag_fast_math. */ - -extern int flag_errno_math; - -/* 0 means straightforward implementation of complex divide acceptable. - 1 means wide ranges of inputs must work for complex divide. - 2 means C9X-like requirements for complex divide (not yet implemented). */ - -extern int flag_complex_divide_method; - -/* Nonzero means to run loop optimizations twice. */ - -extern int flag_rerun_loop_opt; - -/* 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 definition around for debugging - purposes. */ - -extern int flag_keep_inline_functions; - -/* Nonzero means that functions declared `inline' will be treated - as `static'. Prevents generation of zillions of copies of unused - static inline functions; instead, `inlines' are written out - only when actually used. Used in conjunction with -g. Also - does the right thing with #pragma interface. */ - -extern int flag_no_inline; - -/* Nonzero if we are only using compiler to check syntax errors. */ - -extern int flag_syntax_only; - -/* Nonzero means we should save auxiliary info into a .X file. */ - -extern int flag_gen_aux_info; - -/* Nonzero means make the text shared if supported. */ - -extern int flag_shared_data; - -/* flag_schedule_insns means schedule insns within basic blocks (before - local_alloc). - flag_schedule_insns_after_reload means schedule insns after - global_alloc. */ - -extern int flag_schedule_insns; -extern int flag_schedule_insns_after_reload; - -#ifdef HAIFA -/* The following flags have effect only for scheduling before register - allocation: - - flag_schedule_interblock means schedule insns accross basic blocks. - flag_schedule_speculative means allow speculative motion of non-load insns. - flag_schedule_speculative_load means allow speculative motion of some - load insns. - flag_schedule_speculative_load_dangerous allows speculative motion of more - load insns. */ - -extern int flag_schedule_interblock; -extern int flag_schedule_speculative; -extern int flag_schedule_speculative_load; -extern int flag_schedule_speculative_load_dangerous; -#endif /* HAIFA */ - -/* flag_on_branch_count_reg means try to replace add-1,compare,branch tupple - by a cheaper branch, on a count register. */ -extern int flag_branch_on_count_reg; - - -/* Nonzero means put things in delayed-branch slots if supported. */ - -extern int flag_delayed_branch; - -/* Nonzero means suppress output of instruction numbers and line number - notes in debugging dumps. */ - -extern int flag_dump_unnumbered; - -/* Nonzero means pretend it is OK to examine bits of target floats, - even if that isn't true. The resulting code will have incorrect constants, - but the same series of instructions that the native compiler would make. */ - -extern int flag_pretend_float; - -/* Nonzero means change certain warnings into errors. - Usually these are warnings about failure to conform to some standard. */ - -extern int flag_pedantic_errors; - -/* Nonzero means generate position-independent code. - This is not fully implemented yet. */ - -extern int flag_pic; - -/* Nonzero means generate extra code for exception handling and enable - exception handling. */ - -extern int flag_exceptions; - -/* Nonzero means use the new model for exception handling. Replaces - -DNEW_EH_MODEL as a compile option. */ - -extern int flag_new_exceptions; - -/* Nonzero means don't place uninitialized global data in common storage - by default. */ - -extern int flag_no_common; - -/* -finhibit-size-directive inhibits output of .size for ELF. - This is used only for compiling crtstuff.c, - and it may be extended to other effects - needed for crtstuff.c on other systems. */ -extern int flag_inhibit_size_directive; - -/* Nonzero means place each function into its own section on those platforms - which support arbitrary section names and unlimited numbers of sections. */ - -extern int flag_function_sections; - -/* ... and similar for data. */ - -extern int flag_data_sections; - -/* -fverbose-asm causes extra commentary information to be produced in - the generated assembly code (to make it more readable). This option - is generally only of use to those who actually need to read the - generated assembly code (perhaps while debugging the compiler itself). - -fno-verbose-asm, the default, causes the extra information - to not be added and is useful when comparing two assembler files. */ - -extern int flag_verbose_asm; - -/* -dA causes debug information to be produced in - the generated assembly code (to make it more readable). This option - is generally only of use to those who actually need to read the - generated assembly code (perhaps while debugging the compiler itself). - Currently, this switch is only used by dwarfout.c; however, it is intended - to be a catchall for printing debug information in the assembler file. */ - -extern int flag_debug_asm; - -/* -fgnu-linker specifies use of the GNU linker for initializations. - -fno-gnu-linker says that collect will be used. */ -extern int flag_gnu_linker; - -/* Tag all structures with __attribute__(packed) */ -extern int flag_pack_struct; - -/* This flag is only tested if alias checking is enabled. - 0 if pointer arguments may alias each other. True in C. - 1 if pointer arguments may not alias each other but may alias - global variables. - 2 if pointer arguments may not alias each other and may not - alias global variables. True in Fortran. - The value is ignored if flag_alias_check is 0. */ -extern int flag_argument_noalias; - -/* Nonzero if we should do (language-dependent) alias analysis. - Typically, this analysis will assume that expressions of certain - types do not alias expressions of certain other types. Only used - if alias analysis (in general) is enabled. */ -extern int flag_strict_aliasing; - -/* Emit code to check for stack overflow; also may cause large objects - to be allocated dynamically. */ -extern int flag_stack_check; - -/* Do the full regmove optimization pass. */ -extern int flag_regmove; - -/* Instrument functions with calls at entry and exit, for profiling. */ -extern int flag_instrument_function_entry_exit; - -/* Other basic status info about current function. */ - -/* 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; - -/* Set nonzero if jump_optimize finds that control falls through - at the end of the function. */ - -extern int can_reach_end; - -/* Nonzero if function being compiled receives nonlocal gotos - from nested functions. */ - -extern int current_function_has_nonlocal_label; - -/* Nonzero if function being compiled has nonlocal gotos to parent - function. */ - -extern int current_function_has_nonlocal_goto; - -/* Nonzero if this function has a computed goto. - - It is computed during find_basic_blocks or during stupid life - analysis. */ - -extern int current_function_has_computed_jump; - -/* Nonzero if GCC must add code to check memory access (used by Checker). */ - -extern int flag_check_memory_usage; - -/* Nonzero if GCC must prefix function names (used with - flag_check_memory_usage). */ - -extern int flag_prefix_function_name; -/* Nonzero if the current function is a thunk, so we should try to cut - corners where we can. */ -extern int current_function_is_thunk; - -/* Value of the -G xx switch, and whether it was passed or not. */ -extern int g_switch_value; -extern int g_switch_set; - -/* Value of the -finline-limit flag. */ - -extern int inline_max_insns; - -/* Nonzero if we dump in VCG format, not plain text. */ -extern int dump_for_graph; - -/* Selection of the graph form. */ -enum graph_dump_types -{ - no_graph = 0, - vcg -}; -extern enum graph_dump_types graph_dump_format; - -/* Nonzero means ignore `#ident' directives. 0 means handle them. - On SVR4 targets, it also controls whether or not to emit a - string identifying the compiler. */ - -extern int flag_no_ident; |