@item C++ Language Options
@xref{C++ Dialect Options,,Options Controlling C++ Dialect}.
@gccoptlist{--compile-std-module
--fabi-compat-version=@var{n} -fabi-version=@var{n}
+-fabi-compat-version=@var{n} -fabi-version=@var{n}
-fno-access-control -faligned-new=@r{[}@var{n}@r{]}
-fno-assume-sane-operators-new-delete
-fchar8_t -fcheck-new
-fzero-link
-gen-decls
-Wassign-intercept -Wno-property-assign-default
--Wno-protocol -Wobjc-root-class -Wselector
+-Wno-protocol -Wobjc-root-class -Wselector
-Wstrict-selector-match
-Wundeclared-selector}
@item Warning Options
@xref{Warning Options,,Options to Request or Suppress Warnings}.
@gccoptlist{-fsyntax-only -fmax-errors=@var{n} -Wpedantic
--pedantic-errors -fpermissive
+-pedantic-errors -fpermissive
-w -Wextra -Wall -Wabi=@var{n}
-Waddress -Wno-address-of-packed-member -Waggregate-return
-Walloc-size -Walloc-size-larger-than=@var{byte-size} -Walloc-zero
-Warith-conversion
-Warray-bounds -Warray-bounds=@var{n} -Warray-compare
-Warray-parameter -Warray-parameter=@var{n}
--Wno-attributes -Wattribute-alias=@var{n} -Wno-attribute-alias
+-Wno-attributes -Wattribute-alias=@var{n} -Wno-attribute-alias
-Wno-attribute-warning
-Wbidi-chars=@r{[}none@r{|}unpaired@r{|}any@r{|}ucn@r{]}
-Wbool-compare -Wbool-operation
-Wc11-c23-compat -Wc23-c2y-compat
-Wc++-compat -Wc++11-compat -Wc++14-compat -Wc++17-compat
-Wc++20-compat -Wc++26-compat
--Wno-c++11-extensions -Wno-c++14-extensions -Wno-c++17-extensions
+-Wno-c++11-extensions -Wno-c++14-extensions -Wno-c++17-extensions
-Wno-c++20-extensions -Wno-c++23-extensions
-Wcalloc-transposed-args -Wcannot-profile
-Wcast-align -Wcast-align=strict -Wcast-function-type -Wcast-qual
-Wnormalized=@r{[}none@r{|}id@r{|}nfc@r{|}nfkc@r{]}
-Wnull-dereference -Wno-odr
-Wopenacc-parallelism
--Wopenmp -Wopenmp-simd
+-Wopenmp -Wopenmp-simd
-Wno-overflow -Woverlength-strings -Wno-override-init-side-effects
-Wpacked -Wno-packed-bitfield-compat -Wpacked-not-aligned -Wpadded
-Wparentheses -Wno-pedantic-ms-format
-Wno-scalar-storage-order -Wsequence-point
-Wshadow -Wshadow=global -Wshadow=local -Wshadow=compatible-local
-Wno-shadow-ivar
--Wno-shift-count-negative -Wno-shift-count-overflow -Wshift-negative-value
--Wno-shift-overflow -Wshift-overflow=@var{n}
+-Wno-shift-count-negative -Wno-shift-count-overflow
+-Wshift-negative-value -Wno-shift-overflow -Wshift-overflow=@var{n}
-Wsign-compare -Wsign-conversion
-Wno-sizeof-array-argument
-Wsizeof-array-div
-Wstack-protector -Wstack-usage=@var{byte-size} -Wstrict-aliasing
-Wstrict-aliasing=@var{n} -Wstrict-overflow -Wstrict-overflow=@var{n}
-Wstring-compare
--Wno-stringop-overflow -Wno-stringop-overread
+-Wno-stringop-overflow -Wno-stringop-overread
-Wno-stringop-truncation -Wstrict-flex-arrays
-Wsuggest-attribute=@var{attribute-name}
-Wswitch -Wno-switch-bool -Wswitch-default -Wswitch-enum
}
@item C and Objective-C-only Warning Options
-@gccoptlist{-Wbad-function-cast -Wdeprecated-non-prototype -Wfree-labels
--Wmissing-declarations -Wmissing-parameter-name -Wmissing-parameter-type
--Wdeclaration-missing-parameter-type -Wmissing-prototypes
+@gccoptlist{-Wbad-function-cast -Wdeprecated-non-prototype -Wfree-labels
+-Wmissing-declarations -Wmissing-parameter-name -Wmissing-parameter-type
+-Wdeclaration-missing-parameter-type -Wmissing-prototypes
-Wmissing-variable-declarations
-Wmultiple-parameter-fwd-decl-lists
--Wnested-externs -Wold-style-declaration
--Wold-style-definition -Wstrict-prototypes -Wtraditional
--Wtraditional-conversion -Wdeclaration-after-statement -Wpointer-sign}
+-Wnested-externs -Wold-style-declaration
+-Wold-style-definition -Wstrict-prototypes -Wtraditional
+-Wtraditional-conversion -Wdeclaration-after-statement -Wpointer-sign}
@item Debugging Options
@xref{Debugging Options,,Options for Debugging Your Program}.
@gccoptlist{-g -g@var{level} -gdwarf -gdwarf-@var{version}
--gbtf -gctf -gctf@var{level}
+-gbtf -gctf -gctf@var{level}
-gno-prune-btf -ggdb -gno-record-gcc-switches
-gstrict-dwarf -gas-loc-support -gas-locview-support
-gcodeview -gcolumn-info -gdwarf32 -gdwarf64
-gno-statement-frontiers
-gno-variable-location-views -gvariable-location-views=incompat5
-ginternal-reset-location-views -ginline-points
--gvms -gz@r{[}=@var{type}@r{]}
+-gvms -gz@r{[}=@var{type}@r{]}
-gsplit-dwarf -gdescribe-dies
-fdebug-prefix-map=@var{old}=@var{new} -fdebug-types-section
-fno-eliminate-unused-debug-types
-falign-labels[=@var{n}[:@var{m}:[@var{n2}[:@var{m2}]]]]
-falign-loops[=@var{n}[:@var{m}:[@var{n2}[:@var{m2}]]]]
-fmin-function-alignment=[@var{n}]
--fno-allocation-dce -fallow-store-data-races
+-fno-allocation-dce -fallow-store-data-races
-fassociative-math -fauto-profile -fauto-profile[=@var{path}]
--fauto-profile-inlining -fauto-inc-dec -fbranch-probabilities
+-fauto-profile-inlining -fauto-inc-dec -fbranch-probabilities
-fcaller-saves
-fcombine-stack-adjustments -fconserve-stack
-ffold-mem-offsets
-fcse-follow-jumps -fcse-skip-blocks -fcx-fortran-rules
-fcx-limited-range -fcx-method
-fdata-sections -fdce -fdelayed-branch
--fdelete-null-pointer-checks -fdep-fusion -fdevirtualize
+-fdelete-null-pointer-checks -fdep-fusion -fdevirtualize
-fdevirtualize-speculatively -fdevirtualize-at-ltrans -fdse
-fearly-inlining -fexcess-precision=@var{style}
-fexpensive-optimizations -fext-dce
-ffast-math -ffat-lto-objects -ffinite-loops
-ffinite-math-only -ffloat-store
-fforward-propagate -ffp-contract=@var{style} -ffp-int-builtin-inexact
--ffunction-sections -ffuse-ops-with-volatile-access
+-ffunction-sections -ffuse-ops-with-volatile-access
-fgcse -fgcse-after-reload -fgcse-las -fgcse-lm -fgraphite-identity
-fgcse-sm -fhoist-adjacent-loads -fif-conversion
-fif-conversion2 -findirect-inlining
-finline-atomics -finline-functions -finline-functions-called-once
-finline-limit=@var{n} -finline-small-functions
-finline-stringops@r{[}=@var{fn}@r{]}
--fipa-modref -fipa-cp -fipa-cp-clone
+-fipa-modref -fipa-cp -fipa-cp-clone
-fipa-bit-cp -fipa-vrp -fipa-pta -fipa-profile -fipa-pure-const
--fipa-reference -fipa-reference-addressable -fipa-reorder-for-locality
+-fipa-reference -fipa-reference-addressable -fipa-reorder-for-locality
-fipa-sra -fipa-stack-alignment
-fipa-icf -fipa-icf-functions -fipa-icf-variables
-fira-algorithm=@var{algorithm}
--flate-combine-instructions -flifetime-dse -flive-patching=@var{level}
+-flate-combine-instructions -flifetime-dse -flive-patching=@var{level}
-fira-region=@var{region} -fira-hoist-pressure
-fira-loop-pressure -fno-ira-share-save-slots
-fno-ira-share-spill-slots
-fkeep-static-consts -flimit-function-alignment -flive-range-shrinkage
-floop-block -floop-interchange -floop-strip-mine
-floop-unroll-and-jam -floop-nest-optimize
--floop-parallelize-all -flra-remat -flto -flto-compression-level
+-floop-parallelize-all -flra-remat -flto -flto-compression-level=@var{n}
-flto-toplevel-asm-heuristics
--flto-partition=@var{alg} -flto-incremental=@var{path}
--flto-incremental-cache-size=@var{n} -fmalloc-dce -fmerge-all-constants
+-flto-partition=@var{alg} -flto-incremental=@var{path}
+-flto-incremental-cache-size=@var{n} -fmalloc-dce -fmerge-all-constants
-fmerge-constants -fmodulo-sched -fmodulo-sched-allow-regmoves
-fmove-loop-invariants -fmove-loop-stores -fno-branch-count-reg
-fno-defer-pop -fno-function-cse
-fpartial-inlining -fpeel-loops -fpredictive-commoning
-fprefetch-loop-arrays
-fprofile-correction
--fprofile-use -fprofile-use=@var{path} -fprofile-partial-training
--fprofile-values -fprofile-reorder-functions
+-fprofile-use -fprofile-use=@var{path} -fprofile-partial-training
+-fprofile-values -fprofile-reorder-functions
-freciprocal-math -free -frename-registers -freorder-blocks
-freorder-blocks-algorithm=@var{algorithm}
-freorder-blocks-and-partition -freorder-functions
-ftree-reassoc -ftree-scev-cprop -ftree-sink -ftree-slsr -ftree-sra
-ftree-switch-conversion -ftree-tail-merge
-ftree-ter -ftree-vectorize -ftree-vrp -ftrivial-auto-var-init
--funconstrained-commons -funit-at-a-time -funroll-all-loops
--funroll-loops -funsafe-math-optimizations -funswitch-loops
+-funconstrained-commons -funit-at-a-time -funroll-all-loops
+-funroll-loops -funsafe-math-optimizations -funswitch-loops
-fipa-ra -fvariable-expansion-in-unroller -fvect-cost-model -fvpt
--fweb -fwhole-program -fwpa -fuse-linker-plugin -fzero-call-used-regs
+-fweb -fwhole-program -fwpa -fuse-linker-plugin -fzero-call-used-regs
--param @var{name}=@var{value}
-O -O0 -O1 -O2 -O3 -Os -Ofast -Og -Oz --optimize}
-fprofile -fprofile-abs-path
-fprofile-dir=@var{path} -fprofile-generate -fprofile-generate=@var{path}
-fprofile-info-section -fprofile-info-section=@var{name}
--fprofile-note=@var{path} -fprofile-prefix-path=@var{path}
--fprofile-update=@var{method} -fprofile-filter-files=@var{regex}
+-fprofile-note=@var{path} -fprofile-prefix-path=@var{path}
+-fprofile-update=@var{method} -fprofile-filter-files=@var{regex}
-fprofile-exclude-files=@var{regex}
-fprofile-reproducible=@r{[}multithreaded@r{|}parallel-runs@r{|}serial@r{]}
-fsanitize=@var{style} -fsanitize-recover -fsanitize-recover=@var{style}
-fasan-shadow-offset=@var{number} -fsanitize-sections=@var{s1},@var{s2},...
-fsanitize-undefined-trap-on-error -fcf-protection
-fcf-protection=@r{[}full@r{|}branch@r{|}return@r{|}none@r{|}check@r{]}
--fharden-compares -fharden-conditional-branches -fhardened
+-fharden-compares -fharden-conditional-branches -fhardened
-fharden-control-flow-redundancy -fhardcfr-skip-leaf
-fhardcfr-check-exceptions -fhardcfr-check-returning-calls
-fhardcfr-check-noreturn-calls=@r{[}always@r{|}no-xthrow@r{|}nothrow@r{|}never@r{]}
-fdebug-cpp -fdirectives-only -fdollars-in-identifiers
-fexec-charset=@var{charset} -fextended-identifiers
-finput-charset=@var{charset}
--fmacro-prefix-map=@var{old}=@var{new} -fmax-include-depth=@var{depth}
+-fmacro-prefix-map=@var{old}=@var{new} -fmax-include-depth=@var{depth}
-fno-canonical-system-headers -fpch-deps -fpch-preprocess
-fpreprocessed -ftabstop=@var{width} -ftrack-macro-expansion
-fwide-exec-charset=@var{charset} -fworking-directory
@item Linker Options
@xref{Link Options,,Options for Linking}.
-@gccoptlist{@var{object-file-name} -flink-libatomic -fuse-ld=@var{linker} -l@var{library}
+@gccoptlist{@var{object-file-name} -flink-libatomic -fuse-ld=@var{linker} -l@var{library}
-nostartfiles -nodefaultlibs -nolibc -nostdlib -nostdlib++
-e @var{entry}
-pie -pthread -r -rdynamic
@item Picolibc Options
@xref{Picolibc Options,,Options for use with Picolibc}.
@gccoptlist{--oslib=@var{library} --crt0=@r{[}none@r{|}minimal@r{|}hosted@r{|}semihost@r{]}
---printf=@r{[}d@r{|}f@r{|}l@r{|}i@r{|}m@r{]} --scanf=@r{[}d@r{|}f@r{|}l@r{|}i@r{|}m@r{]}}
+--printf=@r{[}d@r{|}f@r{|}l@r{|}i@r{|}m@r{]} --scanf=@r{[}d@r{|}f@r{|}l@r{|}i@r{|}m@r{]}}
@item Code Generation Options
@xref{Code Gen Options,,Options for Code Generation Conventions}.
-fno-gnu-unique
-finhibit-size-directive -fcommon -fno-ident
-fpcc-struct-return -fpic -fPIC -fpie -fPIE -fno-plt
--fno-jump-tables -fno-bit-tests
+-fno-jump-tables -fno-bit-tests
-frecord-gcc-switches
-freg-struct-return -fshort-enums -fshort-wchar
-fverbose-asm -fpack-struct[=@var{n}]
-fleading-underscore -ftls-model=@var{model}
-fstack-reuse=@var{reuse_level}
--ftrampolines -ftrampoline-impl=@r{[}stack@r{|}heap@r{]}
--ftrapv -fwrapv
+-ftrampolines -ftrampoline-impl=@r{[}stack@r{|}heap@r{]}
+-ftrapv -fwrapv -fwrapv-pointer
-fvisibility=@r{[}default@r{|}internal@r{|}hidden@r{|}protected@r{]}
-fstrict-volatile-bitfields -fsync-libcalls
-fzero-init-padding-bits=@var{value}
-msplit-vecmove-early -m1reg-@var{reg}}
@emph{AMD GCN Options} (@ref{AMD GCN Options})
-@gccoptlist{-march=@var{gpu} -mtune=@var{gpu}
+@gccoptlist{-march=@var{gpu} -mtune=@var{gpu}
-mgang-private-size=@var{bytes}
-msram-ecc=@r{[}on@r{|}off@r{|}any@r{]}
-mxnack=@r{[}on@r{|}off@r{|}any@r{]}
@emph{C6X Options} (@ref{C6X Options})
@gccoptlist{-mbig-endian -mlittle-endian -march=@var{cpu}
--msim -msdata=@var{sdata-type} -mdsbt -mlong-calls}
+-msim -msdata=@var{sdata-type} -mdsbt -mlong-calls}
@emph{CRIS Options} (@ref{CRIS Options})
@gccoptlist{-mcpu=@var{cpu} -march=@var{cpu}
--mtune=@var{cpu} -mmax-stackframe=@var{n}
+-mtune=@var{cpu} -mmax-stackframe=@var{n}
-metrax4 -metrax100 -mpdebug -mcc-init -mno-side-effects
-mstack-align -mdata-align -mconst-align
-m32-bit -m16-bit -m8-bit -mno-prologue-epilogue
-mdsp -medsp -mvdsp
-mdiv -msmart -mhigh-registers -manchor
-mpushpop -mmultiple-stld -mconstpool -mstack-size -mccrt
--mbranch-cost=@var{n} -msched-prolog -msim}
+-mbranch-cost=@var{n} -msched-prolog -msim}
@emph{Cygwin and MinGW Options} (@ref{Cygwin and MinGW Options})
@gccoptlist{-mconsole -mcrtdll=@var{library} -mdll
projects / thirdparty / gcc.git / commitdiff
