; Please try to keep this file in ASCII collating order.
+Variable
+int target_flags
+
+###
+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
-;; 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
O
Common JoinedOrMissing Optimization
Common Optimization
Optimize for space rather than speed
+Ofast
+Common Optimization
+Optimize for speed disregarding exact standards compliance
+
+S
+Driver
+
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
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
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
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_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
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
Warn about 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
+Xassembler
+Driver Separate
+
+Xlinker
+Driver Separate
+
+Xpreprocessor
+Driver Separate
+
aux-info
Common Separate
-aux-info <file> Emit declaration information into <file>
aux-info=
-Common Joined
+Common Joined Alias(aux-info)
auxbase
-Common Separate
+Common Separate RejectDriver
auxbase-strip
-Common Separate
+Common Separate RejectDriver
+
+coverage
+Driver
+
+c
+Driver
d
Common Joined
Common Separate
-dumpdir <dir> Set the directory name to be used for dumps
+dumpmachine
+Driver
+
+dumpspecs
+Driver
+
+dumpversion
+Driver
+
+e
+Driver Joined Separate
+
; 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
; 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
Common RejectNegative Joined UInteger
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_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
fconserve-stack
When running CSE, follow jumps to their targets
fcse-skip-blocks
-Common
+Common Ignore
Does nothing. Preserved for backward compatibility.
fcx-limited-range
Common Joined RejectNegative
-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
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
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_loop_block) Optimization
Enable Loop Blocking 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
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
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
Give external symbols a leading underscore
floop-optimize
-Common
+Common Ignore
Does nothing. Preserved for backward compatibility.
flto
; 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_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
-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
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
Add a common subexpression elimination pass after loop optimizations
frerun-loop-opt
-Common
+Common Ignore
Does nothing. Preserved for backward compatibility.
frounding-math
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
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_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 Report RejectNegative Var(flag_stack_protect, 2) VarExists
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.
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_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
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
Enable reassociation on tree level
ftree-salias
-Common
+Common Ignore
Does nothing. Preserved for backward compatibility.
ftree-sink
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 partitioned link-time optimization
fwhopr=
-Common RejectNegative UInteger Joined Var(flag_whopr)
-Enable partitioned link-time optimization with specified number of parallel jobs
+Common RejectNegative Joined Var(flag_whopr)
+Partitioned link-time optimization with number of parallel jobs or jobserver.
ftree-builtin-call-dce
Common Report Var(flag_tree_builtin_call_dce) Init(0) Optimization
Common Joined Var(plugindir_string) Init(0)
-iplugindir=<dir> Set <dir> to be the default plugin directory
+l
+Driver Joined Separate
+
+no-canonical-prefixes
+Driver
+
+nodefaultlibs
+Driver
+
+nostdlib
+Driver
+
o
-Common Joined Separate
+Common Driver Joined Separate 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
Common
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
+save-temps
+Driver
+
+save-temps=
+Driver Joined
+
+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
+Driver
+
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
+
+symbolic
+Driver
+
pie
Common RejectNegative Negative(shared)
Create a position independent executable
OSDN Git Service
