; 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, 2012
; Free Software Foundation, Inc.
;
; This file is part of GCC.
; 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
+
+; True if this is the lto front end. This is used to disable gimple
+; generation and lowering passes that are normally run on the output
+; of a front end. These passes must be bypassed for lto since they
+; have already been done before the gimple was written.
+Variable
+bool in_lto_p = false
+
+; 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
+
+; True if stack usage information needs to be computed.
+Variable
+bool flag_stack_usage_info = false
+
+; -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
+Driver 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
+Driver 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
-;; program's insatiable desire to turn options starting with a
-;; double dash (--) into options starting with a dash f (-f).
+-time
+Driver Alias(time)
+
+-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
-Common Joined Separate UInteger
--G<number> Put global and static data smaller than <number> bytes into a special section (on some targets)
+B
+Driver Joined Separate
+
+E
+Driver
+
+L
+Driver Joined Separate
+
+N
+Driver
O
Common JoinedOrMissing Optimization
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
+
+Tbss=
+Driver Joined
+
+Tdata
+Driver Separate
+
+Tdata=
+Driver Joined
+
+Ttext
+Driver Separate
+
+Ttext=
+Driver Joined
+
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
Common RejectNegative Joined UInteger
-Wframe-larger-than=<number> Warn if a function's stack frame requires more than <number> bytes
+Wfree-nonheap-object
+Common Var(warn_free_nonheap_object) Init(1) Warning
+Warn when attempting to free a non-heap object
+
Winline
Common Var(warn_inline) Warning
Warn when an inlined function cannot be inlined
+Winvalid-memory-model
+Common Var(warn_invalid_memory_model) Init(1) Warning
+Warn when an atomic memory model parameter is known to be outside the valid range.
+
Wlarger-than-
-Common RejectNegative Joined UInteger Warning Undocumented
+Common RejectNegative Joined Warning Undocumented Alias(Wlarger-than=)
Wlarger-than=
Common RejectNegative Joined UInteger Warning
Common Var(warn_missing_noreturn) Warning
Warn about functions which might be candidates for __attribute__((noreturn))
-Wmudflap
-Common Var(warn_mudflap) Init(1) Warning
-Warn about constructs not instrumented by -fmudflap
-
Woverflow
Common Var(warn_overflow) Init(1) Warning
Warn about overflow in arithmetic expressions
Common Var(warn_stack_protect) Warning
Warn when not issuing stack smashing protection for some reason
+Wstack-usage=
+Common Joined RejectNegative UInteger Var(warn_stack_usage) Init(-1) Warning
+Warn if stack usage might be larger than specified amount
+
Wstrict-aliasing
Common Warning
Warn about code which might break strict aliasing rules
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
Common Var(warn_uninitialized) Init(-1) Warning
Warn about uninitialized automatic variables
+Wmaybe-uninitialized
+Common Var(warn_maybe_uninitialized) Warning
+Warn about maybe uninitialized automatic variables
+
Wunreachable-code
-Common
+Common Ignore
Does nothing. Preserved for backward compatibility.
Wunused
Common Var(warn_coverage_mismatch) Init(1) Warning
Warn in case profiles in -fprofile-use do not match
+Wvector-operation-performance
+Common Var(warn_vector_operation_performance) Warning
+Warn when a vector operation is compiled outside the SIMD
+
+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
; 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.
+;
+; 6: The version of the ABI that doesn't promote scoped enums to int and
+; changes the mangling of template argument packs, const/static_cast,
+; prefix ++ and --, and a class scope function used as a template
+; argument.
+; First selectable in G++ 4.7.
;
; Additional positive integers will be assigned as new versions of
; the ABI become the default version of the ABI.
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
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
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
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
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
+fdebug-types-section
+Common Report Var(flag_debug_types_section) Init(1)
+Output .debug_types section when using DWARF v4 debuginfo.
+
; 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
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
+fdisable-
+Common Joined RejectNegative Var(common_deferred_options) Defer
+-fdisable-[tree|rtl|ipa]-<pass>=range1+range2 disables an optimization pass
+
+fenable-
+Common Joined RejectNegative Var(common_deferred_options) Defer
+-fenable-[tree|rtl|ipa]-<pass>=range1+range2 enables an optimization pass
+
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-passes
+Common Var(flag_dump_passes) Init(0)
+Dump optimization passes
+
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_emit_class_debug_always) Init(0)
Do not suppress C++ class debug information.
-fenable-icf-debug
-Common Report Var(flag_enable_icf_debug)
-Generate debug information to support Identical Code Folding (ICF)
-
fexceptions
Common Report Var(flag_exceptions) Optimization
Enable exception handling
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
+ffat-lto-objects
+Common Var(flag_fat_lto_objects) Init(1)
+Output lto objects containing both the intermediate language and binary output.
+
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
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.
Common Report Var(flag_loop_block) Optimization
Enable Loop Blocking transformation
+fgnu-tm
+Common Report Var(flag_tm)
+Enable support for GNU transactional memory
+
+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
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
Common Report Var(flag_indirect_inlining)
Perform indirect inlining
-; 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.
+; General flag to enable inlining. Specifying -fno-inline will disable
+; all inlining apart from always-inline functions.
finline
Common Report Var(flag_no_inline,0) Init(0)
-Pay attention to the \"inline\" keyword
+Enable inlining of function declared \"inline\", disabling disables all inlining
finline-small-functions
Common Report Var(flag_inline_small_functions) Optimization
-Integrate simple functions into their callers when code size is known to not growth
+Integrate functions into their callers when code size is known not to grow
finline-functions
Common Report Var(flag_inline_functions) Optimization
-Integrate simple functions into their callers
+Integrate functions not declared \"inline\" into their callers when profitable
finline-functions-called-once
-Common Report Var(flag_inline_functions_called_once) Init(1) Optimization
-Integrate functions called once into their callers
+Common Report Var(flag_inline_functions_called_once) Optimization
+Integrate functions only required by their single caller
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>
+finline-atomics
+Common Report Var(flag_inline_atomics) Init(1) Optimization
+Inline __atomic operations when a lock free instruction sequence is available.
+
finstrument-functions
Common Report Var(flag_instrument_function_entry_exit)
Instrument function entry and exit with profiling calls
on profiling information.
fipa-struct-reorg
-Common Report Var(flag_ipa_struct_reorg)
-Perform structure layout optimizations based
-on profiling information.
+Common Ignore
+Does nothing. Preserved for backward compatibility.
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_AUTODETECT)
-fira-region=[one|all|mixed] Set regions for IRA
-fira-coalesce
-Common Report Var(flag_ira_coalesce) Init(0)
-Do optimistic coalescing.
+Enum
+Name(ira_region) Type(enum ira_region) UnknownError(unknown IRA region %qs)
+
+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)
Give external symbols a leading underscore
floop-optimize
-Common
+Common Ignore
Does nothing. Preserved for backward compatibility.
flto
-Common Var(flag_lto)
+Common
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 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
+Common Report Var(flag_lto_report) Init(0)
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
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_move_loop_invariants) Init(1) Optimization
Move loop invariant computations out of loops
-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)
-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
-
fdce
Common Var(flag_dce) Init(1) Optimization
Use the RTL dead code elimination pass
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
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
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
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'.
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
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
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
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
If scheduling post reload, do superblock scheduling
fsched2-use-traces
-Common
+Common Ignore
Does nothing. Preserved for backward compatibility.
fschedule-insns
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.
+Common Ignore
+Does nothing. Preserved for backward compatibility.
+
+free
+Common Report Var(flag_ree) Init(0)
+Turn on Redundant Extensions Elimination pass.
fshow-column
Common Report Var(flag_show_column) Init(1)
Show column numbers in diagnostics, when available. Default on
+fshrink-wrap
+Common Report Var(flag_shrink_wrap) Optimization
+Emit function prologues only before parts of the function that need it,
+rather than at the top of the function.
+
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_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
-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
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.
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
; (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_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
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_dom) Optimization
Enable dominator optimizations
+ftree-tail-merge
+Common Report Var(flag_tree_tail_merge) Optimization
+Enable tail merging on trees
+
ftree-dse
Common Report Var(flag_tree_dse) Optimization
Enable dead store elimination
Common Report Var(flag_tree_fre) Optimization
Enable Full Redundancy Elimination (FRE) on trees
+foptimize-strlen
+Common Report Var(flag_optimize_strlen) Optimization
+Enable string length optimizations on trees
+
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
-Enable linear loop transforms on trees
+Common Alias(floop-interchange)
+Enable loop interchange transforms. Same as -floop-interchange
ftree-loop-ivcanon
Common Report Var(flag_tree_loop_ivcanon) Init(1) Optimization
Enable reassociation on tree level
ftree-salias
-Common
+Common Ignore
Does nothing. Preserved for backward compatibility.
ftree-sink
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
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
; 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
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
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
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
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
Common JoinedOrMissing
Generate debug information in default extended format
+gno-record-gcc-switches
+Common RejectNegative Var(dwarf_record_gcc_switches,0) Init(0)
+Don't record gcc command line switches in DWARF DW_AT_producer.
+
+grecord-gcc-switches
+Common RejectNegative Var(dwarf_record_gcc_switches,1)
+Record gcc command line switches in DWARF DW_AT_producer.
+
gstabs
Common JoinedOrMissing Negative(gstabs+)
Generate debug information in STABS format
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 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)
+Driver 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)
+Driver RejectNegative Negative(shared)
Create a position independent executable
+z
+Driver Joined Separate
+
; This comment is to ensure we retain the blank line above.
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