arm-none-eabi-gcc --help=joined
>arm-none-eabi-gcc --help=joined
>arm-none-eabi-gcc --help=joined
The following options take joined arguments:
--assert= Same as -A. Use the latter option instead.
--define-macro= Same as -D. Use the latter option instead.
--dump= Same as -d. Use the latter option instead.
--help=<class> Display descriptions of a specific class of
options. <class> is one or more of optimizers,
target, warnings, undocumented, params.
--imacros= Same as -imacros. Use the latter option instead.
--include-directory-after= Same as -idirafter. Use the latter option
instead.
--include-directory= Same as -I. Use the latter option instead.
--include-prefix= Same as -iprefix. Use the latter option instead.
--include-with-prefix-after= Same as -iwithprefix. Use the latter option
instead.
--include-with-prefix-before= Same as -iwithprefixbefore. Use the latter
option instead.
--include-with-prefix= Same as -iwithprefix. Use the latter option
instead.
--include= Same as -include. Use the latter option instead.
--output-class-directory= This option lacks documentation.
--output-pch= This option lacks documentation.
--output= Same as -o. Use the latter option instead.
--param= Same as --param. Use the latter option instead.
--resource= This option lacks documentation.
--undefine-macro= Same as -U. Use the latter option instead.
-A<question>=<answer> Assert the <answer> to <question>. Putting '-'
before <question> disables the <answer> to
<question>.
-D<macro>[=<val>] Define a <macro> with <val> as its value. If
just <macro> is given, <val> is taken to be 1.
-F <dir> Add <dir> to the end of the main framework
include path.
-I <dir> Add <dir> to the end of the main include path.
-J<directory> Put MODULE files in 'directory'.
-L This option lacks documentation.
-MF <file> Write dependency output to the given file.
-MQ <target> Add a MAKE-quoted target.
-MT <target> Add an unquoted target.
-O<number> Set optimization level to <number>.
-U<macro> Undefine <macro>.
-Wabi= Warn about things that change between the current
-fabi-version and the specified version.
-Warray-bounds= Warn if an array is accessed out of bounds.
-Werror= Treat specified warning as error.
-Wformat= Warn about printf/scanf/strftime/strfmon format
string anomalies.
-Wframe-larger-than=<number> Warn if a function's stack frame requires more
than <number> bytes.
-Wlarger-than- Same as -Wlarger-than=. Use the latter option
instead.
-Wlarger-than=<number> Warn if an object is larger than <number> bytes.
-Wnormalized=<none|id|nfc|nfkc> Warn about non-normalised Unicode strings.
-Wplacement-new= Warn for placement new expressions with undefined
behavior.
-Wshift-overflow= Warn if left shift of a signed value overflows.
-Wstack-usage= Warn if stack usage might be larger than
specified amount.
-Wstrict-aliasing= Warn about code which might break strict aliasing
rules.
-Wstrict-overflow= Warn about optimizations that assume that signed
overflow is undefined.
-Wunused-const-variable= Warn when a const variable is unused.
-aux-info= Same as -aux-info. Use the latter option instead.
-cpp= This option lacks documentation.
-d<letters> Enable dumps from specific passes of the compiler.
--CLASSPATH Deprecated; use --classpath instead. Same as
-fclasspath=.
-fRTS= Select the runtime.
-fabi-compat-version= The version of the C++ ABI used for -Wabi
warnings and link compatibility aliases.
-fabi-version= The version of the C++ ABI in use.
-fada-spec-parent= -fada-spec-parent=unit Dump Ada specs as child
units of given parent.
-falign-functions= This option lacks documentation.
-falign-jumps= This option lacks documentation.
-falign-labels= This option lacks documentation.
-falign-loops= This option lacks documentation.
-fasan-shadow-offset=<number> Use custom shadow memory offset.
-fassume-compiled= This option lacks documentation.
-fauto-profile= Use sample profile information for call graph
node weights. The profile file is specified in
the argument.
-fblas-matmul-limit=<n> Size of the smallest matrix for which matmul will
use BLAS.
--bootclasspath=<path> Replace system path.
-fbuiltin- This option lacks documentation.
-fcall-saved-<register> Mark <register> as being preserved across
functions.
-fcall-used-<register> Mark <register> as being corrupted by function
calls.
-fcheck=[...] Specify which runtime checks are to be performed.
--classpath=<path> Set class path.
-fcoarray=<none|single|lib> Specify which coarray parallelization should be
used.
-fcompare-debug[=<opts>] Compile with and without e.g. -gtoggle, and
compare the final-insns dump.
-fcompile-resource= This option lacks documentation.
-fconst-string-class=<name> Use class <name> for constant strings.
-fconstexpr-depth=<number> Specify maximum constexpr recursion depth.
-fconvert= -fconvert=<big-endian|little-endian|native|swap>
The endianness used for unformatted files.
-fdbg-cnt=<counter>:<limit>[,<counter>:<limit>,...] Set the debug counter
limit.
-fdebug-prefix-map= Map one directory name to another in debug
information.
-fdiagnostics-color=[never|always|auto] Colorize diagnostics.
-fdiagnostics-show-location=[once|every-line] How often to emit source
location at the beginning of line-wrapped
diagnostics.
-fdisable- -fdisable-[tree|rtl|ipa]-<pass>=range1+range2
disables an optimization pass.
-fdisable-assertions= This option lacks documentation.
-fdump-<type> Dump various compiler internals to a file.
-fdump-final-insns=filename Dump to filename the insns at the end of
translation.
-fdump-go-spec=filename Write all declarations to file as Go code.
-femit-struct-debug-detailed=<spec-list> Detailed reduced debug info for
structs.
-fenable- -fenable-[tree|rtl|ipa]-<pass>=range1+range2
enables an optimization pass.
-fenable-assertions= This option lacks documentation.
--encoding=<encoding> Choose input encoding (defaults from your locale).
-fexcess-precision=[fast|standard] Specify handling of excess floating-point
precision.
-fexec-charset=<cset> Convert all strings and character constants to
character set <cset>.
--extdirs=<path> Set the extension directory path.
-ffixed-<register> Mark <register> as being unavailable to the
compiler.
-ffixed-line-length-<n> Use n as character line width in fixed mode.
-ffp-contract= -ffp-contract=[off|on|fast] Perform floating-
point expression contraction.
-ffpe-summary=[...] Print summary of floating point exceptions.
-ffpe-trap=[...] Stop on following floating point exceptions.
-ffree-line-length-<n> Use n as character line width in free mode.
-fgnat-encodings=[all|gdb|minimal] Select the balance between GNAT encodings
and standard DWARF emitted in the debug
information
-fgo-dump-<type> Dump Go frontend internal information.
-fgo-optimize-<type> Turn on optimization passes in the frontend.
-fgo-pkgpath=<string> Set Go package path.
-fgo-prefix=<string> Set package-specific prefix for exported Go names.
-fgo-relative-import-path= -fgo-relative-import-path=<path> Treat a relative
import as relative to path.
-fhelp= Same as --help=. Use the latter option instead.
-finit-character=<n> Initialize local character variables to ASCII
value n.
-finit-integer=<n> Initialize local integer variables to n.
-finit-logical=<true|false> Initialize local logical variables.
-finit-real=<zero|snan|nan|inf|-inf> Initialize local real variables.
-finline-limit- Same as -finline-limit=. Use the latter option
instead.
-finline-limit=<number> Limit the size of inlined functions to <number>.
-finline-matmul-limit=<n> Specify the size of the largest matrix for which
matmul will be inlined.
-finput-charset=<cset> Specify the default character set for source
files.
-finstrument-functions-exclude-file-list= -finstrument-functions-exclude-file-
list=filename,... Do not instrument functions
listed in files.
-finstrument-functions-exclude-function-list= -finstrument-functions-exclude-
function-list=name,... Do not instrument listed
functions.
-fintrinsic-modules-path= Specify where to find the compiled intrinsic
modules.
-fira-algorithm= -fira-algorithm=[CB|priority] Set the used IRA
algorithm.
-fira-region= -fira-region=[one|all|mixed] Set regions for IRA.
-fira-verbose=<number> Control IRA's level of diagnostic messages.
-fvisibility=[private|protected|public|package] Set the default symbol
visibility.
-flifetime-dse= This option lacks documentation.
-flinker-output= Set linker output type (used internally during
LTO optimization)
-flto-compression-level=<number> Use zlib compression level <number> for IL.
-flto-partition= Specify the algorithm to partition symbols and
vars at linktime.
-flto= Link-time optimization with number of parallel
jobs or jobserver.
-fltrans-output-list= Specify a file to which a list of files output by
LTRANS is written.
-fmax-array-constructor=<n> Maximum number of objects in an array constructor.
-fmax-errors=<number> Maximum number of errors to report.
-fmax-identifier-length=<n> Maximum identifier length.
-fmax-stack-var-size=<n> Size in bytes of the largest array that will be
put on the stack.
-fmax-subrecord-length=<n> Maximum length for subrecords.
-fmessage-length=<number> Limit diagnostics to <number> characters per
line. 0 suppresses line-wrapping.
-fname-mangling-version- This option lacks documentation. Uses of this
option are diagnosed.
-fobjc-abi-version= Specify which ABI to use for Objective-C family
code and meta-data generation.
-foffload-abi= -foffload-abi=[lp64|ilp32] Set the ABI to use
in an offload compiler.
-foffload= -foffload=<targets>=<options> Specify offloading
targets and options for them.
-fopenacc-dim= Specify default OpenACC compute dimensions.
-fopt-info[-<type>=filename] Dump compiler optimization details.
-foutput-class-dir= This option lacks documentation.
-fpack-struct=<number> Set initial maximum structure member alignment.
-fplugin-arg-<name>-<key>[=<value>] Specify argument <key>=<value> for plugin
<name>.
-fplugin= Specify a plugin to load.
-fprofile-dir= Set the top-level directory for storing the
profile data. The default is 'pwd'.
-fprofile-generate= Enable common options for generating profile info
for profile feedback directed optimizations, and
set -fprofile-dir=.
-fprofile-use= Enable common options for performing profile
feedback directed optimizations, and set
-fprofile-dir=.
-frandom-seed=<string> Make compile reproducible using <string>.
-freorder-blocks-algorithm= -freorder-blocks-algorithm=[simple|stc] Set the
used basic block reordering algorithm.
-fresolution= The resolution file.
-fsanitize-recover= After diagnosing undefined behavior attempt to
continue execution.
-fsanitize-sections=<sec1,sec2,...> Sanitize global variables in user-defined
sections.
-fsanitize= Select what to sanitize.
-fsched-stalled-insns-dep=<number> Set dependence distance checking in
premature scheduling of queued insns.
-fsched-stalled-insns=<number> Set number of queued insns that can be
prematurely scheduled.
-fsched-verbose=<number> Set the verbosity level of the scheduler.
-fsimd-cost-model= Specifies the vectorization cost model for code
marked with a simd directive.
-fsource-filename= This option lacks documentation.
-fsource= Set the source language version.
-fsso-struct=[big-endian|little-endian] Set the default scalar storage order.
-fstack-check=[no|generic|specific] Insert stack checking code into the
program.
-fstack-limit-register=<register> Trap if the stack goes past <register>.
-fstack-limit-symbol=<name> Trap if the stack goes past symbol <name>.
-fstack-reuse= -fstack-reuse=[all|named_vars|none] Set stack
reuse level for local variables.
-ftabstop=<number> Distance between tab stops for column reporting.
-ftarget= Set the target VM version.
-ftemplate-backtrace-limit= Set the maximum number of template instantiation
notes for a single warning or error.
-ftemplate-depth- Same as -ftemplate-depth=. Use the latter option
instead.
-ftemplate-depth=<number> Specify maximum template instantiation depth.
-ftls-model=[global-dynamic|local-dynamic|initial-exec|local-exec] Set the
default thread-local storage code generation
model.
-ftrack-macro-expansion This option lacks documentation.
-ftrack-macro-expansion= -ftrack-macro-expansion=<0|1|2> Track locations
of tokens coming from macro expansion and display
them in error messages.
-ftree-parallelize-loops= Enable automatic parallelization of loops.
-ftree-vectorizer-verbose= Does nothing. Preserved for backward
compatibility.
-fvect-cost-model= Specifies the cost model for vectorization.
-fvisibility=[default|internal|hidden|protected] Set the default symbol
visibility.
-fvtable-verify= Validate vtable pointers before using them.
-fwide-exec-charset=<cset> Convert all wide strings and character constants
to character set <cset>.
-fwpa= Whole program analysis (WPA) mode with number of
parallel jobs specified.
-g Generate debug information in default format.
-gant Catch typos.
-gcoff Generate debug information in COFF format.
-gdwarf Generate debug information in default version of
DWARF format.
-gdwarf- Generate debug information in DWARF v2 (or later)
format.
-ggdb Generate debug information in default extended
format.
-gnat<options> Specify options to GNAT.
-gstabs Generate debug information in STABS format.
-gstabs+ Generate debug information in extended STABS
format.
-gvms Generate debug information in VMS format.
-gxcoff Generate debug information in XCOFF format.
-gxcoff+ Generate debug information in extended XCOFF
format.
-gz=<format> Generate compressed debug sections in format
<format>.
-idirafter <dir> Add <dir> to the end of the system include path.
-imacros <file> Accept definition of macros in <file>.
-imultiarch <dir> Set <dir> to be the multiarch include
subdirectory.
-imultilib <dir> Set <dir> to be the multilib include subdirectory.
-include <file> Include the contents of <file> before other files.
-iplugindir=<dir> Set <dir> to be the default plugin directory.
-iprefix <path> Specify <path> as a prefix for next two options.
-iquote <dir> Add <dir> to the end of the quote include path.
-isysroot <dir> Set <dir> to be the system root directory.
-isystem <dir> Add <dir> to the start of the system include path.
-iwithprefix <dir> Add <dir> to the end of the system include path.
-iwithprefixbefore <dir> Add <dir> to the end of the main include path.
-mabi= Specify an ABI.
-march= Specify the name of the target architecture.
-mcpu= Specify the name of the target CPU.
-mfloat-abi= Specify if floating point hardware should be used.
-mfp16-format= Specify the __fp16 floating-point format.
-mfpu= Specify the name of the target floating point
hardware/format.
-mpic-register= Specify the register to be used for PIC
addressing.
-mstructure-size-boundary= Specify the minimum bit alignment of structures.
-mtls-dialect= Specify thread local storage scheme.
-mtp= Specify how to access the thread pointer.
-mtune= Tune code for the given processor.
-o <file> Place output into <file>.
Known ARM ABIs (for use with the -mabi= option):
aapcs aapcs-linux apcs-gnu atpcs iwmmxt
Known ARM architectures (for use with the -march= option):
armv2 armv2a armv3 armv3m armv4 armv4t armv5 armv5e armv5t armv5te armv6
armv6-m armv6j armv6k armv6kz armv6s-m armv6t2 armv6z armv6zk armv7 armv7-a
armv7-m armv7-r armv7e-m armv7ve armv8-a armv8-a+crc armv8-m.base
armv8-m.main armv8-m.main+dsp armv8.1-a armv8.1-a+crc iwmmxt iwmmxt2 native
Known __fp16 formats (for use with the -mfp16-format= option):
alternative ieee none
Known ARM FPUs (for use with the -mfpu= option):
crypto-neon-fp-armv8 fp-armv8 fpv4-sp-d16 fpv5-d16 fpv5-sp-d16 neon
neon-fp-armv8 neon-fp16 neon-vfpv4 vfp vfp3 vfpv3 vfpv3-d16 vfpv3-d16-fp16
vfpv3-fp16 vfpv3xd vfpv3xd-fp16 vfpv4 vfpv4-d16
Valid arguments to -mtp=:
auto cp15 soft
Known floating-point ABIs (for use with the -mfloat-abi= option):
hard soft softfp
Known ARM CPUs (for use with the -mcpu= and -mtune= options):
arm1020e arm1020t arm1022e arm1026ej-s arm10e arm10tdmi arm1136j-s
arm1136jf-s arm1156t2-s arm1156t2f-s arm1176jz-s arm1176jzf-s arm2 arm250
arm3 arm6 arm60 arm600 arm610 arm620 arm7 arm70 arm700 arm700i arm710
arm7100 arm710c arm710t arm720 arm720t arm740t arm7500 arm7500fe arm7d
arm7di arm7dm arm7dmi arm7m arm7tdmi arm7tdmi-s arm8 arm810 arm9 arm920
arm920t arm922t arm926ej-s arm940t arm946e-s arm966e-s arm968e-s arm9e
arm9tdmi cortex-a12 cortex-a15 cortex-a15.cortex-a7 cortex-a17
cortex-a17.cortex-a7 cortex-a32 cortex-a35 cortex-a5 cortex-a53 cortex-a57
cortex-a57.cortex-a53 cortex-a7 cortex-a72 cortex-a72.cortex-a53 cortex-a8
cortex-a9 cortex-m0 cortex-m0.small-multiply cortex-m0plus
cortex-m0plus.small-multiply cortex-m1 cortex-m1.small-multiply cortex-m23
cortex-m3 cortex-m33 cortex-m4 cortex-m7 cortex-r4 cortex-r4f cortex-r5
cortex-r7 cortex-r8 ep9312 exynos-m1 fa526 fa606te fa626 fa626te fa726te
fmp626 generic-armv7-a iwmmxt iwmmxt2 marvell-pj4 mpcore mpcorenovfp native
qdf24xx strongarm strongarm110 strongarm1100 strongarm1110 xgene1 xscale
TLS dialect to use:
gnu gnu2
