CbC/CbC_gcc: gcc/common.opt comparison

comparison gcc/common.opt @ 67:f6334be47118

update gcc from gcc-4.6-20100522 to gcc-4.6-20110318

author	nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date	Tue, 22 Mar 2011 17:18:12 +0900
parents	b7f97abdc517
children	04ced10e8804

comparison

equal deleted inserted replaced

-:65488c3d617d
+:f6334be47118
 ; Options for the language- and target-independent parts of the compiler.
-; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
 ; Free Software Foundation, Inc.
 ;
 ; This file is part of GCC.
 ;
 ; GCC is free software; you can redistribute it and/or modify it under
 ; See the GCC internals manual (options.texi) for a description of this file's format.
 ; Please try to keep this file in ASCII collating order.
+Variable
+int target_flags
+Variable
+int optimize
+Variable
+int optimize_size
+; Not used directly to control optimizations, only to save -Ofast
+; setting for "optimize" attributes.
+Variable
+int optimize_fast
+; 0 means straightforward implementation of complex divide acceptable.
+; 1 means wide ranges of inputs must work for complex divide.
+; 2 means C99-like requirements for complex multiply and divide.
+Variable
+int flag_complex_method = 1
+; Nonzero if subexpressions must be evaluated from left-to-right.
+Variable
+int flag_evaluation_order = 0
+; Language specific warning pass for unused results.
+Variable
+bool flag_warn_unused_result = false
+Variable
+int *param_values
+; Nonzero if we should write GIMPLE bytecode for link-time optimization.
+Variable
+int flag_generate_lto
+; True to 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, where N is 'larger_than_size'.
+Variable
+bool warn_larger_than
+Variable
+HOST_WIDE_INT larger_than_size
+; True to warn about any function whose frame size is larger
+; than N bytes.
+Variable
+bool warn_frame_larger_than
+Variable
+HOST_WIDE_INT frame_larger_than_size
+; Nonzero means we should be saving declaration info into a .X file.
+Variable
+int flag_gen_aux_info = 0
+; Nonzero if we are compiling code for a shared library, zero for
+; executable.
+Variable
+int flag_shlib
+; These two are really VEC(char_p,heap) *.
+Variable
+void *flag_instrument_functions_exclude_functions
+Variable
+void *flag_instrument_functions_exclude_files
+; Generic structs (e.g. templates not explicitly specialized)
+; may not have a compilation unit associated with them, and so
+; may need to be treated differently from ordinary structs.
+;
+; Structs only handled by reference (indirectly), will also usually
+; not need as much debugging information.
+Variable
+enum debug_struct_file debug_struct_ordinary[DINFO_USAGE_NUM_ENUMS] = { DINFO_STRUCT_FILE_ANY, DINFO_STRUCT_FILE_ANY, DINFO_STRUCT_FILE_ANY }
+Variable
+enum debug_struct_file debug_struct_generic[DINFO_USAGE_NUM_ENUMS] = { DINFO_STRUCT_FILE_ANY, DINFO_STRUCT_FILE_ANY, DINFO_STRUCT_FILE_ANY }
+; True if we should exit after parsing options.
+Variable
+bool exit_after_options
+; Type(s) of debugging information we are producing (if any).  See
+; flag-types.h for the definitions of the different possible types of
+; debugging information.
+Variable
+enum debug_info_type write_symbols = NO_DEBUG
+; Level of debugging information we are producing.  See flag-types.h
+; for the definitions of the different possible levels.
+Variable
+enum debug_info_levels debug_info_level = DINFO_LEVEL_NONE
+; Nonzero means use GNU-only extensions in the generated symbolic
+; debugging information.  Currently, this only has an effect when
+; write_symbols is set to DBX_DEBUG, XCOFF_DEBUG, or DWARF_DEBUG.
+Variable
+bool use_gnu_debug_info_extensions
+; Original value of maximum field alignment in bytes, specified via
+; -fpack-struct=<value>.
+Variable
+unsigned int initial_max_fld_align = TARGET_DEFAULT_PACK_STRUCT
+Variable
+enum vect_verbosity_levels user_vect_verbosity_level = MAX_VERBOSITY_LEVEL
+; Type of stack check.
+Variable
+enum stack_check_type flag_stack_check = NO_STACK_CHECK
+; -dA causes debug 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).
+; Currently, this switch is only used by dwarf2out.c; however, it is intended
+; to be a catchall for printing debug information in the assembler file.
+Variable
+int flag_debug_asm
+; -dP causes the rtl to be emitted as a comment in assembly.
+Variable
+int flag_dump_rtl_in_asm
+; Whether -da was passed (used only in handle_common_deferred_options).
+Variable
+bool flag_dump_all_passed
+; Other flags saying which kinds of debugging dump have been requested.
+Variable
+int rtl_dump_and_exit
+Variable
+int flag_print_asm_name
+Variable
+enum graph_dump_types graph_dump_format = no_graph
+; Name of top-level original source file (what was input to cpp).
+; This comes from the #-command at the beginning of the actual input.
+; If there isn't any there, then this is the cc1 input file name.
+Variable
+const char *main_input_filename
+; Pointer to base name in main_input_filename, with directories and a
+; single final extension removed, and the length of this base
+; name.
+Variable
+const char *main_input_basename
+Variable
+int main_input_baselength
+; Which options have been printed by --help.
+Variable
+char *help_printed
+; Which enums have been printed by --help.  0 = not printed, no
+; relevant options seen, 1 = relevant option seen, not yet printed, 2
+; = printed.
+Variable
+char *help_enum_printed
+; The number of columns for --help output.
+Variable
+unsigned int help_columns
+; Whether this options structure has been through finish_options
+Variable
+bool flag_opts_finished
+###
+Driver
+-assemble
+Driver Alias(S)
+-compile
+Driver Alias(c)
+-coverage
+Driver Alias(coverage)
+-debug
+Common Alias(g)
+-dump
+Common Separate Alias(d)
+-dump=
+Common Joined Alias(d)
+-dumpbase
+Common Separate Alias(dumpbase)
+-dumpdir
+Common Separate Alias(dumpdir)
+-entry
+Driver Separate Alias(e)
+-entry=
+Driver Joined Alias(e)
+-extra-warnings
+Common Warning Alias(Wextra)
+-for-assembler
+Driver Separate Alias(Xassembler)
+-for-assembler=
+Driver JoinedOrMissing Alias(Xassembler)
+-for-linker
+Driver Separate Alias(Xlinker)
+-for-linker=
+Driver JoinedOrMissing Alias(Xlinker)
+-force-link
+Driver Separate Alias(u)
+-force-link=
+Driver Joined Alias(u)
 -help
-Common
+Common Driver Var(help_flag)
 Display this information
 -help=
-Common Report Joined
+Common Driver Report Joined
 --help=<class>	Display descriptions of a specific class of options.  <class> is one or more of optimizers, target, warnings, undocumented, params
+-language
+Driver Separate Alias(x)
+-language=
+Driver Joined Alias(x)
+-library-directory
+Driver Separate Alias(L)
+-library-directory=
+Driver Joined Alias(L)
+-no-canonical-prefixes
+Driver Alias(no-canonical-prefixes)
+-no-standard-libraries
+Driver Alias(nostdlib)
+-no-warnings
+Common Alias(w)
+-optimize
+Common Alias(O)
+-output
+Common Driver Separate Alias(o) MissingArgError(missing filename after %qs)
+-output=
+Common Driver Joined Alias(o) MissingArgError(missing filename after %qs)
+-pass-exit-codes
+Driver Alias(pass-exit-codes)
+-pedantic
+Common Alias(pedantic)
+-pedantic-errors
+Common Alias(pedantic-errors)
+-pie
+Common Alias(pie)
+-pipe
+Driver Alias(pipe)
+-prefix
+Driver Separate Alias(B)
+-prefix=
+Driver JoinedOrMissing Alias(B)
+-preprocess
+Driver Alias(E)
+-print-file-name
+Driver Separate Alias(print-file-name=)
+-print-file-name=
+Driver JoinedOrMissing Alias(print-file-name=)
+-print-libgcc-file-name
+Driver Alias(print-libgcc-file-name)
+-print-multi-directory
+Driver Alias(print-multi-directory)
+-print-multi-lib
+Driver Alias(print-multi-lib)
+-print-multi-os-directory
+Driver Alias(print-multi-os-directory)
+-print-prog-name
+Driver Separate Alias(print-prog-name=)
+-print-prog-name=
+Driver JoinedOrMissing Alias(print-prog-name=)
+-print-search-dirs
+Driver Alias(print-search-dirs)
+-print-sysroot
+Driver Alias(print-sysroot)
+-print-sysroot-headers-suffix
+Driver Alias(print-sysroot-headers-suffix)
+-profile
+Common Alias(p)
+-save-temps
+Driver Alias(save-temps)
+-shared
+Common Alias(shared)
+-specs
+Driver Separate Alias(specs=)
+-specs=
+Driver Joined Alias(specs=)
+-static
+Driver Alias(static)
+-symbolic
+Driver Alias(symbolic)
 -target-help
-Common
+Common Driver
 Alias for --help=target
-;; The following four entries are to work around the gcc driver
+-time
-;; program's insatiable desire to turn options starting with a
+Driver Alias(time)
-;; double dash (--) into options starting with a dash f (-f).
+-verbose
+Driver Alias(v)
+;; The driver used to convert options such as --help into forms such
+;; as -fhelp; the following four entries are for compatibility with
+;; any direct uses of those (undocumented) -f forms
 fhelp
-Common Var(help_flag)
+Common Driver Alias(-help)
 fhelp=
-Common Joined
+Common Driver Joined Alias(-help=)
 ftarget-help
-Common
+Common Driver Alias(-target-help)
 fversion
-Common
+Common Driver Alias(-version)
 -param
 Common Separate
 --param <param>=<value>	Set parameter <param> to value.  See below for a complete list of parameters
+-param=
+Common Joined Alias(-param)
+-sysroot
+Driver Separate Alias(-sysroot=)
+-sysroot=
+Driver JoinedOrMissing
 -version
-Common
+Common Driver
-G
+B
-Common Joined Separate UInteger
+Driver Joined Separate
--G<number>	Put global and static data smaller than <number> bytes into a special section (on some targets)
+E
+Driver
+L
+Driver Joined Separate
+N
+Driver
 O
 Common JoinedOrMissing Optimization
 -O<number>	Set optimization level to <number>
 Os
 Common Optimization
 Optimize for space rather than speed
+Ofast
+Common Optimization
+Optimize for speed disregarding exact standards compliance
+Q
+Driver
+Qn
+Driver Negative(Qy)
+Qy
+Driver Negative(Qn)
+R
+Driver Joined Separate
+S
+Driver
+T
+Driver Joined Separate
+Tbss
+Driver Separate
+Tdata
+Driver Separate
+Ttext
+Driver Separate
 W
-Common RejectNegative Var(extra_warnings) Warning
+Common RejectNegative Warning Alias(Wextra)
 This switch is deprecated; use -Wextra instead
+Wa,
+Driver JoinedOrMissing
+Wl,
+Driver JoinedOrMissing
+Wp,
+Driver JoinedOrMissing
 Waggregate-return
 Common Var(warn_aggregate_return) Warning
 Warn about returning structures, unions or arrays
 Winline
 Common Var(warn_inline) Warning
 Warn when an inlined function cannot be inlined
 Wlarger-than-
-Common RejectNegative Joined UInteger Warning Undocumented
+Common RejectNegative Joined Warning Undocumented Alias(Wlarger-than=)
 Wlarger-than=
 Common RejectNegative Joined UInteger Warning
 -Wlarger-than=<number>	Warn if an object is larger than <number> bytes
 Wstrict-aliasing
 Common Warning
 Warn about code which might break strict aliasing rules
 Wstrict-aliasing=
-Common Joined UInteger Var(warn_strict_aliasing) Init(-1) Warning
+Common Joined RejectNegative UInteger Var(warn_strict_aliasing) Init(-1) Warning
 Warn about code which might break strict aliasing rules
 Wstrict-overflow
 Common Warning
 Warn about optimizations that assume that signed overflow is undefined
 Wstrict-overflow=
-Common Joined UInteger Var(warn_strict_overflow) Init(-1) Warning
+Common Joined RejectNegative UInteger Var(warn_strict_overflow) Init(-1) Warning
 Warn about optimizations that assume that signed overflow is undefined
 Wsuggest-attribute=const
 Common Var(warn_suggest_attribute_const) Warning
 Warn about functions which might be candidates for __attribute__((const))
 Wsuggest-attribute=pure
 Common Var(warn_suggest_attribute_pure) Warning
 Warn about functions which might be candidates for __attribute__((pure))
+Wsuggest-attribute=noreturn
+Common Var(warn_suggest_attribute_noreturn) Warning
+Warn about functions which might be candidates for __attribute__((noreturn))
 Wswitch
 Common Var(warn_switch) Warning
 Warn about enumerated switches, with no default, missing a case
 Wswitch-default
 Wsystem-headers
 Common Var(warn_system_headers) Warning
 Do not suppress warnings from system headers
+Wtrampolines
+Common Var(warn_trampolines) Warning
+Warn whenever a trampoline is generated
 Wtype-limits
 Common Var(warn_type_limits) Init(-1) Warning
 Warn if a comparison is always true or always false due to the limited range of the data type
 Wuninitialized
 Common Var(warn_uninitialized) Init(-1) Warning
 Warn about uninitialized automatic variables
 Wunreachable-code
-Common
+Common Ignore
 Does nothing. Preserved for backward compatibility.
 Wunused
 Common Var(warn_unused) Init(0) Warning
 Enable all -Wunused- warnings
 Wcoverage-mismatch
 Common Var(warn_coverage_mismatch) Init(1) Warning
 Warn in case profiles in -fprofile-use do not match
+Xassembler
+Driver Separate
+Xlinker
+Driver Separate
+Xpreprocessor
+Driver Separate
+Z
+Driver
 aux-info
-Common Separate
+Common Separate Var(aux_info_file_name)
 -aux-info <file>	Emit declaration information into <file>
 aux-info=
-Common Joined
+Common Joined Alias(aux-info)
 auxbase
-Common Separate
+Common Separate RejectDriver Var(aux_base_name)
 auxbase-strip
-Common Separate
+Common Separate RejectDriver
+coverage
+Driver
+c
+Driver
 d
 Common Joined
 -d<letters>	Enable dumps from specific passes of the compiler
 dumpbase
-Common Separate
+Common Separate Var(dump_base_name)
 -dumpbase <file>	Set the file basename to be used for dumps
 dumpdir
-Common Separate
+Common Separate Var(dump_dir_name)
 -dumpdir <dir>	Set the directory name to be used for dumps
+dumpmachine
+Driver
+dumpspecs
+Driver
+dumpversion
+Driver
+e
+Driver Joined Separate
+; This option has historically been passed down to the linker by an
+; accident of a %{e*} spec, so ensure it continues to be passed down
+; as a single option.  The supported option for this purpose is
+; -rdynamic.  See PR 47390.
+export-dynamic
+Driver Undocumented
 ; The version of the C++ ABI in use.  The following values are allowed:
 ;
 ; 0: The version of the ABI believed most conformant with the C++ ABI
 ;    specification.  This ABI may change as bugs are discovered and fixed.
 ;
 ; 3: The version of the ABI that fixes the missing underscore
 ;    in template non-type arguments of pointer type.
 ;
 ; 4: The version of the ABI that introduces unambiguous mangling of
-;    vector types.
+;    vector types.  First selectable in G++ 4.5.
+;
+; 5: The version of the ABI that ignores attribute const/noreturn
+;    in function pointer mangling, and corrects mangling of decltype and
+;    function parameters used in other parameters and the return type.
+;    First selectable in G++ 4.6.
 ;
 ; Additional positive integers will be assigned as new versions of
 ; the ABI become the default version of the ABI.
 fabi-version=
-Common Joined UInteger Var(flag_abi_version) Init(2)
+Common Joined RejectNegative UInteger Var(flag_abi_version) Init(2)
 falign-functions
 Common Report Var(align_functions,0) Optimization UInteger
 Align the start of functions
 falign-functions=
-Common RejectNegative Joined UInteger
+Common RejectNegative Joined UInteger Var(align_functions)
 falign-jumps
 Common Report Var(align_jumps,0) Optimization UInteger
 Align labels which are only reached by jumping
 falign-jumps=
-Common RejectNegative Joined UInteger
+Common RejectNegative Joined UInteger Var(align_jumps)
 falign-labels
 Common Report Var(align_labels,0) Optimization UInteger
 Align all labels
 falign-labels=
-Common RejectNegative Joined UInteger
+Common RejectNegative Joined UInteger Var(align_labels)
 falign-loops
-Common Report Var(align_loops) Optimization UInteger
+Common Report Var(align_loops,0) Optimization UInteger
 Align the start of loops
 falign-loops=
-Common RejectNegative Joined UInteger
+Common RejectNegative Joined UInteger Var(align_loops)
 fargument-alias
-Common
+Common Ignore
 Does nothing. Preserved for backward compatibility.
 fargument-noalias
-Common
+Common Ignore
 Does nothing. Preserved for backward compatibility.
 fargument-noalias-global
-Common
+Common Ignore
 Does nothing. Preserved for backward compatibility.
 fargument-noalias-anything
-Common
+Common Ignore
 Does nothing. Preserved for backward compatibility.
 fasynchronous-unwind-tables
 Common Report Var(flag_asynchronous_unwind_tables) Optimization
 Generate unwind tables that are exact at each instruction boundary
 fbtr-bb-exclusive
 Common Report Var(flag_btr_bb_exclusive) Optimization
 Restrict target load migration not to re-use registers in any basic block
 fcall-saved-
-Common Joined RejectNegative
+Common Joined RejectNegative Var(common_deferred_options) Defer
 -fcall-saved-<register>	Mark <register> as being preserved across functions
 fcall-used-
-Common Joined RejectNegative
+Common Joined RejectNegative Var(common_deferred_options) Defer
 -fcall-used-<register>	Mark <register> as being corrupted by function calls
 ; 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.
 fcheck-data-deps
 Common Report Var(flag_check_data_deps)
 Compare the results of several data dependence analyzers.
+fcombine-stack-adjustments
+Common Report Var(flag_combine_stack_adjustments) Optimization
+Looks for opportunities to reduce stack adjustments and stack references.
 fcommon
 Common Report Var(flag_no_common,0) Optimization
 Do not put uninitialized globals in the common section
+fcompare-debug
+Driver
+; Converted by the driver to -fcompare-debug= options.
 fcompare-debug=
-Common JoinedOrMissing RejectNegative Var(flag_compare_debug_opt)
+Common Driver JoinedOrMissing RejectNegative Var(flag_compare_debug_opt)
 -fcompare-debug[=<opts>]	Compile with and without e.g. -gtoggle, and compare the final-insns dump
 fcompare-debug-second
-Common RejectNegative Var(flag_compare_debug)
+Common Driver RejectNegative Var(flag_compare_debug)
 Run only the second compilation of -fcompare-debug
+fcompare-elim
+Common Report Var(flag_compare_elim_after_reload) Optimization
+Perform comparison elimination after register allocation has finished
 fconserve-stack
 Common Var(flag_conserve_stack) Optimization
 Do not perform optimizations increasing noticeably stack usage
 fcse-follow-jumps
 Common Report Var(flag_cse_follow_jumps) Optimization
 When running CSE, follow jumps to their targets
 fcse-skip-blocks
-Common
+Common Ignore
 Does nothing.  Preserved for backward compatibility.
 fcx-limited-range
-Common Report Var(flag_cx_limited_range) Optimization
+Common Report Var(flag_cx_limited_range) Optimization SetByCombined
 Omit range reduction step when performing complex division
 fcx-fortran-rules
 Common Report Var(flag_cx_fortran_rules) Optimization
 Complex multiplication and division follow Fortran rules
 fdata-sections
 Common Report Var(flag_data_sections) Optimization
 Place data items into their own section
 fdbg-cnt-list
-Common Report
+Common Report Var(common_deferred_options) Defer
 List all available debugging counters with their limits and counts.
 fdbg-cnt=
-Common RejectNegative Joined
+Common RejectNegative Joined Var(common_deferred_options) Defer
 -fdbg-cnt=<counter>:<limit>[,<counter>:<limit>,...]	Set the debug counter limit.
 fdebug-prefix-map=
-Common Joined RejectNegative
+Common Joined RejectNegative Var(common_deferred_options) Defer
 Map one directory name to another in debug information
 ; Nonzero for -fdefer-pop: don't pop args after each function call
 ; instead save them up to pop many calls' args with one insns.
 fdefer-pop
 fdelete-null-pointer-checks
 Common Report Var(flag_delete_null_pointer_checks) Init(1) Optimization
 Delete useless null pointer checks
+fdevirtualize
+Common Report Var(flag_devirtualize) Optimization
+Try to convert virtual calls to direct ones.
 fdiagnostics-show-location=
-Common Joined RejectNegative
+Common Joined RejectNegative Enum(diagnostic_prefixing_rule)
 -fdiagnostics-show-location=[once|every-line]	How often to emit source location at the beginning of line-wrapped diagnostics
+; Required for these enum values.
+SourceInclude
+pretty-print.h
+Enum
+Name(diagnostic_prefixing_rule) Type(int)
+EnumValue
+Enum(diagnostic_prefixing_rule) String(once) Value(DIAGNOSTICS_SHOW_PREFIX_ONCE)
+EnumValue
+Enum(diagnostic_prefixing_rule) String(every-line) Value(DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE)
 fdiagnostics-show-option
 Common Var(flag_diagnostics_show_option) Init(1)
 Amend appropriate diagnostic messages with the command line option that controls them
 fdump-
-Common Joined RejectNegative
+Common Joined RejectNegative Var(common_deferred_options) Defer
 -fdump-<type>	Dump various compiler internals to a file
+fdump-final-insns
+Driver RejectNegative
 fdump-final-insns=
 Common RejectNegative Joined Var(flag_dump_final_insns)
 -fdump-final-insns=filename	Dump to filename the insns at the end of translation
+fdump-go-spec=
+Common RejectNegative Joined Var(flag_dump_go_spec)
+-fdump-go-spec=filename	Write all declarations to file as Go code
 fdump-noaddr
 Common Report Var(flag_dump_noaddr)
 Suppress output of addresses in debugging dumps
 fdump-unnumbered
-Common Report Var(flag_dump_unnumbered) VarExists
+Common Report Var(flag_dump_unnumbered)
 Suppress output of instruction numbers, line number notes and addresses in debugging dumps
 fdump-unnumbered-links
-Common Report Var(flag_dump_unnumbered_links) VarExists
+Common Report Var(flag_dump_unnumbered_links)
 Suppress output of previous and next insn numbers in debugging dumps
 fdwarf2-cfi-asm
 Common Report Var(flag_dwarf2_cfi_asm) Init(HAVE_GAS_CFI_DIRECTIVE)
 Enable CFI tables via GAS assembler directives.
 fexpensive-optimizations
 Common Report Var(flag_expensive_optimizations) Optimization
 Perform a number of minor, expensive optimizations
 fexcess-precision=
-Common Joined RejectNegative
+Common Joined RejectNegative Enum(excess_precision) Var(flag_excess_precision_cmdline) Init(EXCESS_PRECISION_DEFAULT)
 -fexcess-precision=[fast|standard]	Specify handling of excess floating-point precision
+Enum
+Name(excess_precision) Type(enum excess_precision) UnknownError(unknown excess precision style %qs)
+EnumValue
+Enum(excess_precision) String(fast) Value(EXCESS_PRECISION_FAST)
+EnumValue
+Enum(excess_precision) String(standard) Value(EXCESS_PRECISION_STANDARD)
 ffast-math
 Common
 ffinite-math-only
-Common Report Var(flag_finite_math_only) Optimization
+Common Report Var(flag_finite_math_only) Optimization SetByCombined
 Assume no NaNs or infinities are generated
 ffixed-
-Common Joined RejectNegative
+Common Joined RejectNegative Var(common_deferred_options) Defer
 -ffixed-<register>	Mark <register> as being unavailable to the compiler
 ffloat-store
 Common Report Var(flag_float_store) Optimization
 Don't allocate floats and doubles in extended-precision registers
 fforce-addr
-Common
+Common Ignore
 Does nothing.  Preserved for backward compatibility.
 fforward-propagate
 Common Report Var(flag_forward_propagate) Optimization
 Perform a forward propagation pass on RTL
+ffp-contract=
+Common Joined RejectNegative Enum(fp_contract_mode) Var(flag_fp_contract_mode) Init(FP_CONTRACT_FAST)
+-ffp-contract=[off|on|fast] Perform floating-point expression contraction.
+Enum
+Name(fp_contract_mode) Type(enum fp_contract_mode) UnknownError(unknown floating point contraction style %qs)
+EnumValue
+Enum(fp_contract_mode) String(off) Value(FP_CONTRACT_OFF)
+; Not implemented, fall back to conservative FP_CONTRACT_OFF.
+EnumValue
+Enum(fp_contract_mode) String(on) Value(FP_CONTRACT_OFF)
+EnumValue
+Enum(fp_contract_mode) String(fast) Value(FP_CONTRACT_FAST)
 ; 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.
 ffunction-cse
 Enable Loop Interchange transformation
 floop-block
 Common Report Var(flag_loop_block) Optimization
 Enable Loop Blocking transformation
+floop-flatten
+Common Report Var(flag_loop_flatten) Optimization
+Enable Loop Flattening transformation
+fstrict-volatile-bitfields
+Common Report Var(flag_strict_volatile_bitfields) Init(-1)
+Force bitfield accesses to match their type width
 fguess-branch-probability
 Common Report Var(flag_guess_branch_prob) Optimization
 Enable guessing of branch probabilities
 Perform conversion of conditional jumps to branchless equivalents
 fif-conversion2
 Common Report Var(flag_if_conversion2) Optimization
 Perform conversion of conditional jumps to conditional execution
+ftree-loop-if-convert
+Common Report Var(flag_tree_loop_if_convert) Init(-1) Optimization
+Convert conditional jumps in innermost loops to branchless equivalents
+ftree-loop-if-convert-stores
+Common Report Var(flag_tree_loop_if_convert_stores) Optimization
+Also if-convert conditional jumps containing memory writes
 ; -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.
 finline-functions-called-once
 Common Report Var(flag_inline_functions_called_once) Init(1) Optimization
 Integrate functions called once into their callers
 finline-limit-
-Common RejectNegative Joined UInteger
+Common RejectNegative Joined Alias(finline-limit=)
 finline-limit=
 Common RejectNegative Joined UInteger
 -finline-limit=<number>	Limit the size of inlined functions to <number>
 Common Report Var(flag_ipa_struct_reorg)
 Perform structure layout optimizations based
 on profiling information.
 fira-algorithm=
-Common Joined RejectNegative
+Common Joined RejectNegative Enum(ira_algorithm) Var(flag_ira_algorithm) Init(IRA_ALGORITHM_CB)
 -fira-algorithm=[CB|priority] Set the used IRA algorithm
+Enum
+Name(ira_algorithm) Type(enum ira_algorithm) UnknownError(unknown IRA algorithm %qs)
+EnumValue
+Enum(ira_algorithm) String(CB) Value(IRA_ALGORITHM_CB)
+EnumValue
+Enum(ira_algorithm) String(priority) Value(IRA_ALGORITHM_PRIORITY)
 fira-region=
-Common Joined RejectNegative
+Common Joined RejectNegative Enum(ira_region) Var(flag_ira_region) Init(IRA_REGION_MIXED)
 -fira-region=[one|all|mixed] Set regions for IRA
-fira-coalesce
+Enum
-Common Report Var(flag_ira_coalesce) Init(0)
+Name(ira_region) Type(enum ira_region) UnknownError(unknown IRA region %qs)
-Do optimistic coalescing.
+EnumValue
+Enum(ira_region) String(one) Value(IRA_REGION_ONE)
+EnumValue
+Enum(ira_region) String(all) Value(IRA_REGION_ALL)
+EnumValue
+Enum(ira_region) String(mixed) Value(IRA_REGION_MIXED)
 fira-loop-pressure
 Common Report Var(flag_ira_loop_pressure)
 Use IRA based register pressure calculation
 in RTL loop optimizations.
 fira-share-spill-slots
 Common Report Var(flag_ira_share_spill_slots) Init(1)
 Share stack slots for spilled pseudo-registers.
 fira-verbose=
-Common RejectNegative Joined UInteger
+Common RejectNegative Joined UInteger Var(flag_ira_verbose) Init(5)
 -fira-verbose=<number>	Control IRA's level of diagnostic messages.
 fivopts
 Common Report Var(flag_ivopts) Init(1) Optimization
 Optimize induction variables on trees
 fleading-underscore
 Common Report Var(flag_leading_underscore) Init(-1)
 Give external symbols a leading underscore
 floop-optimize
+Common Ignore
+Does nothing.  Preserved for backward compatibility.
+flto
 Common
-Does nothing.  Preserved for backward compatibility.
-flto
-Common Var(flag_lto)
 Enable link-time optimization.
+flto=
+Common RejectNegative Joined Var(flag_lto)
+Link-time optimization with number of parallel jobs or jobserver.
+flto-partition=1to1
+Common Var(flag_lto_partition_1to1)
+Partition functions and vars at linktime based on object files they originate from
+flto-partition=balanced
+Common Var(flag_lto_partition_balanced)
+Partition functions and vars at linktime into approximately same sized buckets
+flto-partition=none
+Common Var(flag_lto_partition_none)
+Disable partioning and streaming
 ; The initial value of -1 comes from Z_DEFAULT_COMPRESSION in zlib.h.
 flto-compression-level=
-Common Joined UInteger Var(flag_lto_compression_level) Init(-1)
+Common Joined RejectNegative UInteger Var(flag_lto_compression_level) Init(-1)
 -flto-compression-level=<number>	Use zlib compression level <number> for IL
 flto-report
 Common Report Var(flag_lto_report) Init(0) Optimization
 Report various link-time optimization statistics
 fmath-errno
-Common Report Var(flag_errno_math) Init(1) Optimization
+Common Report Var(flag_errno_math) Init(1) Optimization SetByCombined
 Set errno after built-in math functions
+fmax-errors=
+Common Joined RejectNegative UInteger Var(flag_max_errors)
+-fmax-errors=<number>	Maximum number of errors to report
 fmem-report
 Common Report Var(mem_report)
 Report on permanent memory allocation
 fmerge-all-constants
 Common Report Var(flag_merge_constants,2) Init(1) Optimization
 Attempt to merge identical constants and constant variables
 fmerge-constants
-Common Report Var(flag_merge_constants,1) VarExists Optimization
+Common Report Var(flag_merge_constants,1) Optimization
 Attempt to merge identical constants across compilation units
 fmerge-debug-strings
 Common Report Var(flag_merge_debug_strings) Init(1)
 Attempt to merge identical debug strings across compilation units
 fmudflap
 Common RejectNegative Report Var(flag_mudflap)
 Add mudflap bounds-checking instrumentation for single-threaded program
 fmudflapth
-Common RejectNegative Report VarExists Var(flag_mudflap,2)
+Common RejectNegative Report Var(flag_mudflap,2)
 Add mudflap bounds-checking instrumentation for multi-threaded program
 fmudflapir
 Common RejectNegative Report Var(flag_mudflap_ignore_reads)
 Ignore read operations when inserting mudflap instrumentation
 foptimize-sibling-calls
 Common Report Var(flag_optimize_sibling_calls) Optimization
 Optimize sibling and tail recursive calls
+fpartial-inlining
+Common Report Var(flag_partial_inlining)
+Perform partial inlining
 fpre-ipa-mem-report
 Common Report Var(pre_ipa_mem_report)
 Report on memory allocation before interprocedural optimization
 fpost-ipa-mem-report
 fpack-struct=
 Common RejectNegative Joined UInteger Optimization
 -fpack-struct=<number>	Set initial maximum structure member alignment
 fpcc-struct-return
-Common Report Var(flag_pcc_struct_return,1) VarExists
+Common Report Var(flag_pcc_struct_return,1) Init(DEFAULT_PCC_STRUCT_RETURN)
 Return small aggregates in memory, not registers
 fpeel-loops
 Common Report Var(flag_peel_loops) Optimization
 Perform loop peeling
 fPIE
 Common Report Var(flag_pie,2)
 Generate position-independent code for executables if possible (large mode)
 fpic
-Common Report Var(flag_pic,1) VarExists
+Common Report Var(flag_pic,1)
 Generate position-independent code if possible (small mode)
 fpie
-Common Report Var(flag_pie,1) VarExists
+Common Report Var(flag_pie,1)
 Generate position-independent code for executables if possible (small mode)
 fplugin=
-Common Joined RejectNegative
+Common Joined RejectNegative Var(common_deferred_options) Defer
 Specify a plugin to load
 fplugin-arg-
-Common Joined RejectNegative
+Common Joined RejectNegative Var(common_deferred_options) Defer
 -fplugin-arg-<name>-<key>[=<value>]	Specify argument <key>=<value> for plugin <name>
 fpredictive-commoning
 Common Report Var(flag_predictive_commoning) Optimization
 Run predictive commoning optimization.
 fprefetch-loop-arrays
-Common Report Var(flag_prefetch_loop_arrays) Optimization
+Common Report Var(flag_prefetch_loop_arrays) Init(-1) Optimization
 Generate prefetch instructions, if available, for arrays in loops
 fprofile
 Common Report Var(profile_flag)
 Enable basic program profiling code
 fprofile-arcs
 Common Report Var(profile_arc_flag)
 Insert arc-based program profiling code
 fprofile-dir=
-Common Joined RejectNegative
+Common Joined RejectNegative Var(profile_data_prefix)
 Set the top-level directory for storing the profile data.
 The default is 'pwd'.
 fprofile-correction
 Common Report Var(flag_profile_correction)
 fprofile-values
 Common Report Var(flag_profile_values)
 Insert code to profile values of expressions
 frandom-seed
-Common
+Common Var(common_deferred_options) Defer
 frandom-seed=
-Common Joined RejectNegative
+Common Joined RejectNegative Var(common_deferred_options) Defer
 -frandom-seed=<string>	Make compile reproducible using <string>
 ; This switch causes the command line that was used to create an
 ; object file to be recorded into the object file.  The exact format
 ; of this recording is target and binary file format dependent.
 frecord-gcc-switches
 Common Report Var(flag_record_gcc_switches)
 Record gcc command line switches in the object file.
 freg-struct-return
-Common Report Var(flag_pcc_struct_return,0) VarExists Optimization
+Common Report Var(flag_pcc_struct_return,0) Optimization
 Return small aggregates in registers
 fregmove
 Common Report Var(flag_regmove) Optimization
 Enables a register move optimization
 freorder-functions
 Common Report Var(flag_reorder_functions) Optimization
 Reorder functions to improve code placement
 frerun-cse-after-loop
-Common Report Var(flag_rerun_cse_after_loop) Init(2) Optimization
+Common Report Var(flag_rerun_cse_after_loop) Optimization
 Add a common subexpression elimination pass after loop optimizations
 frerun-loop-opt
-Common
+Common Ignore
 Does nothing.  Preserved for backward compatibility.
 frounding-math
-Common Report Var(flag_rounding_math) Optimization
+Common Report Var(flag_rounding_math) Optimization SetByCombined
 Disable optimizations that assume default FP rounding behavior
 fsched-interblock
 Common Report Var(flag_schedule_interblock) Init(1) Optimization
 Enable scheduling across basic blocks
 fsched-spec-load-dangerous
 Common Report Var(flag_schedule_speculative_load_dangerous) Optimization
 Allow speculative motion of more loads
 fsched-verbose=
-Common RejectNegative Joined
+Common RejectNegative Joined UInteger Var(sched_verbose_param)
 -fsched-verbose=<number>	Set the verbosity level of the scheduler
 fsched2-use-superblocks
 Common Report Var(flag_sched2_use_superblocks) Optimization
 If scheduling post reload, do superblock scheduling
 fsched2-use-traces
-Common
+Common Ignore
 Does nothing.  Preserved for backward compatibility.
 fschedule-insns
 Common Report Var(flag_schedule_insns) Optimization
 Reschedule instructions before register allocation
 fsection-anchors
 Common Report Var(flag_section_anchors) Optimization
 Access data in the same section from shared anchor points
 fsee
-Common
+Common Ignore
 Does nothing.  Preserved for backward compatibility.
 fzee
 Common Report Var(flag_zee) Init(0)
 Eliminate redundant zero extensions on targets that support implicit extensions.
 fshow-column
-Common C ObjC C++ ObjC++ Report Var(flag_show_column) Init(1)
+Common Report Var(flag_show_column) Init(1)
 Show column numbers in diagnostics, when available.  Default on
 fsignaling-nans
-Common Report Var(flag_signaling_nans) Optimization
+Common Report Var(flag_signaling_nans) Optimization SetByCombined
 Disable optimizations observable by IEEE signaling NaNs
 fsigned-zeros
-Common Report Var(flag_signed_zeros) Init(1) Optimization
+Common Report Var(flag_signed_zeros) Init(1) Optimization SetByCombined
 Disable floating point optimizations that ignore the IEEE signedness of zero
 fsingle-precision-constant
 Common Report Var(flag_single_precision_constant) Optimization
 Convert floating point constants to single precision constants
 fsplit-ivs-in-unroller
 Common Report Var(flag_split_ivs_in_unroller) Init(1) Optimization
 Split lifetimes of induction variables when loops are unrolled
+fsplit-stack
+Common Report Var(flag_split_stack) Init(-1)
+Generate discontiguous stack frames
 fsplit-wide-types
 Common Report Var(flag_split_wide_types) Optimization
 Split wide types into independent registers
 fvariable-expansion-in-unroller
 fstack-check=
 Common Report RejectNegative Joined
 -fstack-check=[no|generic|specific]	Insert stack checking code into the program
 fstack-check
-Common Report
+Common Alias(fstack-check=, specific, no)
 Insert stack checking code into the program.  Same as -fstack-check=specific
 fstack-limit
-Common
+Common Var(common_deferred_options) Defer
 fstack-limit-register=
-Common RejectNegative Joined
+Common RejectNegative Joined Var(common_deferred_options) Defer
 -fstack-limit-register=<register>	Trap if the stack goes past <register>
 fstack-limit-symbol=
-Common RejectNegative Joined
+Common RejectNegative Joined Var(common_deferred_options) Defer
 -fstack-limit-symbol=<name>	Trap if the stack goes past symbol <name>
 fstack-protector
 Common Report Var(flag_stack_protect, 1)
 Use propolice as a stack protection method
 fstack-protector-all
-Common Report RejectNegative Var(flag_stack_protect, 2) VarExists
+Common Report RejectNegative Var(flag_stack_protect, 2)
 Use a stack protection method for every function
+fstack-usage
+Common RejectNegative Var(flag_stack_usage)
+Output stack usage information on a per-function basis
 fstrength-reduce
-Common
+Common Ignore
 Does nothing.  Preserved for backward compatibility.
 ; 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
 ftime-report
 Common Report Var(time_report)
 Report the time taken by each compiler pass
 ftls-model=
-Common Joined RejectNegative
+Common Joined RejectNegative Enum(tls_model) Var(flag_tls_default) Init(TLS_MODEL_GLOBAL_DYNAMIC)
 -ftls-model=[global-dynamic|local-dynamic|initial-exec|local-exec]	Set the default thread-local storage code generation model
+Enum
+Name(tls_model) Type(enum tls_model) UnknownError(unknown TLS model %qs)
+EnumValue
+Enum(tls_model) String(global-dynamic) Value(TLS_MODEL_GLOBAL_DYNAMIC)
+EnumValue
+Enum(tls_model) String(local-dynamic) Value(TLS_MODEL_LOCAL_DYNAMIC)
+EnumValue
+Enum(tls_model) String(initial-exec) Value(TLS_MODEL_INITIAL_EXEC)
+EnumValue
+Enum(tls_model) String(local-exec) Value(TLS_MODEL_LOCAL_EXEC)
 ftoplevel-reorder
 Common Report Var(flag_toplevel_reorder) Init(2) Optimization
 Reorder top level functions, variables, and asms
 ; Zero means that floating-point math operations cannot generate a
 ; (user-visible) trap.  This is the case, for example, in nonstop
 ; IEEE 754 arithmetic.
 ftrapping-math
-Common Report Var(flag_trapping_math) Init(1) Optimization
+Common Report Var(flag_trapping_math) Init(1) Optimization SetByCombined
 Assume floating-point operations can trap
 ftrapv
 Common Report Var(flag_trapv) Optimization
 Trap for signed overflow in addition, subtraction and multiplication
 ftree-ccp
 Common Report Var(flag_tree_ccp) Optimization
 Enable SSA-CCP optimization on trees
+ftree-bit-ccp
+Common Report Var(flag_tree_bit_ccp) Optimization
+Enable SSA-BIT-CCP optimization on trees
 ftree-store-ccp
-Common
+Common Ignore
 Does nothing.  Preserved for backward compatibility.
 ftree-ch
 Common Report Var(flag_tree_ch) Optimization
 Enable loop header copying on trees
 ftree-copy-prop
 Common Report Var(flag_tree_copy_prop) Optimization
 Enable copy propagation on trees
 ftree-store-copy-prop
-Common
+Common Ignore
 Does nothing.  Preserved for backward compatibility.
 ftree-cselim
 Common Report Var(flag_tree_cselim) Init(2) Optimization
 Transform condition stores into unconditional ones
 ftree-loop-distribution
 Common Report Var(flag_tree_loop_distribution) Optimization
 Enable loop distribution on trees
+ftree-loop-distribute-patterns
+Common Report Var(flag_tree_loop_distribute_patterns) Optimization
+Enable loop distribution for patterns transformed into a library call
 ftree-loop-im
 Common Report Var(flag_tree_loop_im) Init(1) Optimization
 Enable loop invariant motion on trees
 ftree-loop-linear
-Common Report Var(flag_tree_loop_linear) Optimization
+Common Alias(floop-interchange)
-Enable linear loop transforms on trees
+Enable loop interchange transforms.  Same as -floop-interchange
 ftree-loop-ivcanon
 Common Report Var(flag_tree_loop_ivcanon) Init(1) Optimization
 Create canonical induction variables in loops
 ftree-loop-optimize
 Common Report Var(flag_tree_loop_optimize) Init(1) Optimization
 Enable loop optimizations on tree level
 ftree-parallelize-loops=
-Common Report Joined UInteger Var(flag_tree_parallelize_loops) Init(1)
+Common Report Joined RejectNegative UInteger Var(flag_tree_parallelize_loops) Init(1)
 Enable automatic parallelization of loops
 ftree-phiprop
 Common Report Var(flag_tree_phiprop) Init(1) Optimization
 Enable hoisting loads from conditional pointers.
 ftree-reassoc
 Common Report Var(flag_tree_reassoc) Init(1) Optimization
 Enable reassociation on tree level
 ftree-salias
-Common
+Common Ignore
 Does nothing.  Preserved for backward compatibility.
 ftree-sink
 Common Report Var(flag_tree_sink) Optimization
 Enable SSA code sinking on trees
 ftree-sra
 Common Report Var(flag_tree_sra) Optimization
 Perform scalar replacement of aggregates
 ftree-ter
-Common Report Var(flag_tree_ter) Init(1) Optimization
+Common Report Var(flag_tree_ter) Optimization
 Replace temporary expressions in the SSA->normal pass
 ftree-lrs
 Common Report Var(flag_tree_live_range_split) Optimization
 Perform live range splitting during the SSA->normal pass
 funsafe-loop-optimizations
 Common Report Var(flag_unsafe_loop_optimizations) Optimization
 Allow loop optimizations to assume that the loops behave in normal way
 fassociative-math
-Common Report Var(flag_associative_math)
+Common Report Var(flag_associative_math) SetByCombined
 Allow optimization for floating-point arithmetic which may change the
 result of the operation due to rounding.
 freciprocal-math
-Common Report Var(flag_reciprocal_math)
+Common Report Var(flag_reciprocal_math) SetByCombined
 Same as -fassociative-math for expressions which include division.
 ; Nonzero means that unsafe floating-point math optimizations are allowed
 ; for the sake of speed.  IEEE compliance is not guaranteed, and operations
 ; are allowed to assume that their arguments and results are "normal"
 ; (e.g., nonnegative for SQRT).
 funsafe-math-optimizations
-Common Report Var(flag_unsafe_math_optimizations) Optimization
+Common Report Var(flag_unsafe_math_optimizations) Optimization SetByCombined
 Allow math optimizations that may violate IEEE or ISO standards
 funswitch-loops
 Common Report Var(flag_unswitch_loops) Optimization
 Perform loop unswitching
 Just generate unwind tables for exception handling
 fuse-linker-plugin
 Common Undocumented
+; Positive if we should track variables, negative if we should run
+; the var-tracking pass only to discard debug annotations, zero if
+; we're not to run it.  When flag_var_tracking == 2 (AUTODETECT_VALUE) it
+; will be set according to optimize, debug_info_level and debug_hooks
+; in process_options ().
 fvar-tracking
-Common Report Var(flag_var_tracking) VarExists Optimization
+Common Report Var(flag_var_tracking) Init(2) Optimization
 Perform variable tracking
+; Positive if we should track variables at assignments, negative if
+; we should run the var-tracking pass only to discard debug
+; annotations.  When flag_var_tracking_assignments ==
+; AUTODETECT_VALUE it will be set according to flag_var_tracking.
 fvar-tracking-assignments
-Common Report Var(flag_var_tracking_assignments) VarExists Optimization
+Common Report Var(flag_var_tracking_assignments) Init(2) Optimization
 Perform variable tracking by annotating assignments
+; Nonzero if we should toggle flag_var_tracking_assignments after
+; processing options and computing its default.  */
 fvar-tracking-assignments-toggle
-Common Report Var(flag_var_tracking_assignments_toggle) VarExists Optimization
+Common Report Var(flag_var_tracking_assignments_toggle) Optimization
 Toggle -fvar-tracking-assignments
 fvar-tracking-uninit
 Common Report Var(flag_var_tracking_uninit) Optimization
 Perform variable tracking and also tag variables that are uninitialized
 ftree-vect-loop-version
 Common Report Var(flag_tree_vect_loop_version) Init(1) Optimization
 Enable loop versioning when doing loop vectorization on trees
 ftree-vectorizer-verbose=
-Common RejectNegative Joined
+Common RejectNegative Joined UInteger
 -ftree-vectorizer-verbose=<number>	Set the verbosity level of the vectorizer
 ftree-scev-cprop
 Common Report Var(flag_tree_scev_cprop) Init(1) Optimization
 Enable copy propagation of scalar-evolution information.
 fverbose-asm
 Common Report Var(flag_verbose_asm)
 Add extra commentary to assembler output
 fvisibility=
-Common Joined RejectNegative
+Common Joined RejectNegative Enum(symbol_visibility) Var(default_visibility) Init(VISIBILITY_DEFAULT)
 -fvisibility=[default|internal|hidden|protected]	Set the default symbol visibility
+Enum
+Name(symbol_visibility) Type(enum symbol_visibility) UnknownError(unrecognized visibility value %qs)
+EnumValue
+Enum(symbol_visibility) String(default) Value(VISIBILITY_DEFAULT)
+EnumValue
+Enum(symbol_visibility) String(internal) Value(VISIBILITY_INTERNAL)
+EnumValue
+Enum(symbol_visibility) String(hidden) Value(VISIBILITY_HIDDEN)
+EnumValue
+Enum(symbol_visibility) String(protected) Value(VISIBILITY_PROTECTED)
 fvpt
 Common Report Var(flag_value_profile_transformations) Optimization
 Use expression value profiles in optimizations
 fweb
 Common Report Var(flag_web) Init(2) Optimization
 Construct webs and split unrelated uses of single variable
-fwhopr
-Common
-Enable partitioned link-time optimization
-fwhopr=
-Common RejectNegative UInteger Joined Var(flag_whopr)
-Enable partitioned link-time optimization with specified number of parallel jobs
 ftree-builtin-call-dce
 Common Report Var(flag_tree_builtin_call_dce) Init(0) Optimization
 Enable conditional dead code elimination for builtin calls
 fwhole-program
 gno-strict-dwarf
 Common RejectNegative Var(dwarf_strict,0) Init(-1)
 Emit DWARF additions beyond selected version
 gstrict-dwarf
-Common Report RejectNegative Var(dwarf_strict,1) VarExists
+Common Report RejectNegative Var(dwarf_strict,1)
 Don't emit DWARF additions beyond selected version
 gtoggle
 Common Report Var(flag_gtoggle)
 Toggle debug information generation
 gxcoff+
 Common JoinedOrMissing Negative(gcoff)
 Generate debug information in extended XCOFF format
+h
+Driver Joined Separate
 iplugindir=
 Common Joined Var(plugindir_string) Init(0)
 -iplugindir=<dir>	Set <dir> to be the default plugin directory
+l
+Driver Joined Separate
+n
+Driver
+no-canonical-prefixes
+Driver
+nodefaultlibs
+Driver
+nostartfiles
+Driver
+nostdlib
+Driver
 o
-Common Joined Separate
+Common Driver Joined Separate Var(asm_file_name) MissingArgError(missing filename after %qs)
 -o <file>	Place output into <file>
 p
 Common Var(profile_flag)
 Enable function profiling
+pass-exit-codes
+Driver Var(pass_exit_codes)
 pedantic
 Common Var(pedantic)
 Issue warnings needed for strict compliance to the standard
 pedantic-errors
-Common
+Common Var(flag_pedantic_errors)
 Like -pedantic but issue them as errors
+pg
+Driver
+pipe
+Driver Var(use_pipes)
+print-file-name=
+Driver JoinedOrMissing Var(print_file_name)
+print-libgcc-file-name
+Driver
+print-multi-directory
+Driver Var(print_multi_directory)
+print-multi-lib
+Driver Var(print_multi_lib)
+print-multi-os-directory
+Driver Var(print_multi_os_directory)
+print-prog-name=
+Driver JoinedOrMissing Var(print_prog_name)
+print-search-dirs
+Driver Var(print_search_dirs)
+print-sysroot
+Driver Var(print_sysroot)
+print-sysroot-headers-suffix
+Driver Var(print_sysroot_headers_suffix)
 quiet
-Common Var(quiet_flag)
+Common Var(quiet_flag) RejectDriver
 Do not display functions compiled or elapsed time
+r
+Driver
+s
+Driver
+save-temps
+Driver
+save-temps=
+Driver Joined
+t
+Driver
+time
+Driver Var(report_times)
+time=
+Driver JoinedOrMissing
+u
+Driver Joined Separate
+undef
+Driver
+; C option, but driver must not handle as "-u ndef".
+v
+Common Driver Var(verbose_flag)
+Enable verbose output
 version
-Common Var(version_flag)
+Common Var(version_flag) RejectDriver
 Display the compiler's version
 w
 Common Var(inhibit_warnings)
 Suppress warnings
+wrapper
+Driver Separate Var(wrapper_string)
+x
+Driver Joined Separate
 shared
 Common RejectNegative Negative(pie)
 Create a shared library
+shared-libgcc
+Driver
+specs
+Driver Separate Alias(specs=)
+specs=
+Driver Joined
+static
+Driver
+static-libgcc
+Driver
+static-libgfortran
+Driver
+; Documented for Fortran, but always accepted by driver.
+static-libstdc++
+Driver
+static-libgo
+Driver
+; Documented for Go, but always accepted by driver.
+symbolic
+Driver
 pie
 Common RejectNegative Negative(shared)
 Create a position independent executable
+z
+Driver Joined Separate
 ; This comment is to ensure we retain the blank line above.

Mercurial > hg > CbC > CbC_gcc

comparison gcc/common.opt @ 67:f6334be47118