Option Summary (Using the GNU Compiler Collection (GCC)) (2024)

See Machine-Dependent Options.

AArch64 Options

-mabi=name -mbig-endian -mlittle-endian-mgeneral-regs-only-mcmodel=tiny -mcmodel=small -mcmodel=large-mstrict-align -mno-strict-align-momit-leaf-frame-pointer-mtls-dialect=desc -mtls-dialect=traditional-mtls-size=size-mfix-cortex-a53-835769 -mfix-cortex-a53-843419-mlow-precision-recip-sqrt -mlow-precision-sqrt -mlow-precision-div-mpc-relative-literal-loads-msign-return-address=scope-mbranch-protection=none|standard|pac-ret[+leaf+b-key]|bti-mharden-sls=opts-march=name -mcpu=name -mtune=name-moverride=string -mverbose-cost-dump-mstack-protector-guard=guard -mstack-protector-guard-reg=sysreg-mstack-protector-guard-offset=offset -mtrack-speculation-moutline-atomics -mearly-ldp-fusion -mlate-ldp-fusion

Adapteva Epiphany Options

-mhalf-reg-file -mprefer-short-insn-regs-mbranch-cost=num -mcmove -mnops=num -msoft-cmpsf-msplit-lohi -mpost-inc -mpost-modify -mstack-offset=num-mround-nearest -mlong-calls -mshort-calls -msmall16-mfp-mode=mode -mvect-double -max-vect-align=num-msplit-vecmove-early -m1reg-reg

AMD GCN Options

-march=gpu -mtune=gpu -mstack-size=bytes

ARC Options

-mbarrel-shifter -mjli-always-mcpu=cpu -mA6 -mARC600 -mA7 -mARC700-mdpfp -mdpfp-compact -mdpfp-fast -mno-dpfp-lrsr-mea -mno-mpy -mmul32x16 -mmul64 -matomic-mnorm -mspfp -mspfp-compact -mspfp-fast -msimd -msoft-float -mswap-mcrc -mdsp-packa -mdvbf -mlock -mmac-d16 -mmac-24 -mrtsc -mswape-mtelephony -mxy -misize -mannotate-align -marclinux -marclinux_prof-mlong-calls -mmedium-calls -msdata -mirq-ctrl-saved-mrgf-banked-regs -mlpc-width=width -G num-mvolatile-cache -mtp-regno=regno-malign-call -mauto-modify-reg -mbbit-peephole -mno-brcc-mcase-vector-pcrel -mcompact-casesi -mno-cond-exec -mearly-cbranchsi-mexpand-adddi -mindexed-loads -mlra -mlra-priority-none-mlra-priority-compact -mlra-priority-noncompact -mmillicode-mmixed-code -mq-class -mRcq -mRcw -msize-level=level-mtune=cpu -mmultcost=num -mcode-density-frame-munalign-prob-threshold=probability -mmpy-option=multo-mdiv-rem -mcode-density -mll64 -mfpu=fpu -mrf16 -mbranch-index

ARM Options

-mapcs-frame -mno-apcs-frame-mabi=name-mapcs-stack-check -mno-apcs-stack-check-mapcs-reentrant -mno-apcs-reentrant-mgeneral-regs-only-msched-prolog -mno-sched-prolog-mlittle-endian -mbig-endian-mbe8 -mbe32-mfloat-abi=name-mfp16-format=name-mthumb-interwork -mno-thumb-interwork-mcpu=name -march=name -mfpu=name-mtune=name -mprint-tune-info-mstructure-size-boundary=n-mabort-on-noreturn-mlong-calls -mno-long-calls-msingle-pic-base -mno-single-pic-base-mpic-register=reg-mnop-fun-dllimport-mpoke-function-name-mthumb -marm -mflip-thumb-mtpcs-frame -mtpcs-leaf-frame-mcaller-super-interworking -mcallee-super-interworking-mtp=name -mtls-dialect=dialect-mword-relocations-mfix-cortex-m3-ldrd-mfix-cortex-a57-aes-1742098-mfix-cortex-a72-aes-1655431-munaligned-access-mneon-for-64bits-mslow-flash-data-masm-syntax-unified-mrestrict-it-mverbose-cost-dump-mpure-code-mcmse-mfix-cmse-cve-2021-35465-mstack-protector-guard=guard -mstack-protector-guard-offset=offset-mfdpic-mbranch-protection=none|standard|pac-ret[+leaf][+bti]|bti[+pac-ret[+leaf]]

AVR Options

-mmcu=mcu -mabsdata -maccumulate-args-mbranch-cost=cost -mfuse-add=level-mcall-prologues -mgas-isr-prologues -mint8 -mflmap-mdouble=bits -mlong-double=bits-mn_flash=size -mno-interrupts-mmain-is-OS_task -mrelax -mrmw -mstrict-X -mtiny-stack-mrodata-in-ram -mfract-convert-truncate-mshort-calls -mskip-bug -nodevicelib -nodevicespecs-Waddr-space-convert -Wmisspelled-isr

Blackfin Options

-mcpu=cpu[-sirevision]-msim -momit-leaf-frame-pointer -mno-omit-leaf-frame-pointer-mspecld-anomaly -mno-specld-anomaly -mcsync-anomaly -mno-csync-anomaly-mlow-64k -mno-low64k -mstack-check-l1 -mid-shared-library-mno-id-shared-library -mshared-library-id=n-mleaf-id-shared-library -mno-leaf-id-shared-library-msep-data -mno-sep-data -mlong-calls -mno-long-calls-mfast-fp -minline-plt -mmulticore -mcorea -mcoreb -msdram-micplb

C6X Options

-mbig-endian -mlittle-endian -march=cpu-msim -msdata=sdata-type

CRIS Options

-mcpu=cpu -march=cpu-mtune=cpu -mmax-stack-frame=n-metrax4 -metrax100 -mpdebug -mcc-init -mno-side-effects-mstack-align -mdata-align -mconst-align-m32-bit -m16-bit -m8-bit -mno-prologue-epilogue-melf -maout -sim -sim2-mmul-bug-workaround -mno-mul-bug-workaround

C-SKY Options

-march=arch -mcpu=cpu-mbig-endian -EB -mlittle-endian -EL-mhard-float -msoft-float -mfpu=fpu -mdouble-float -mfdivdu-mfloat-abi=name-melrw -mistack -mmp -mcp -mcache -msecurity -mtrust-mdsp -medsp -mvdsp-mdiv -msmart -mhigh-registers -manchor-mpushpop -mmultiple-stld -mconstpool -mstack-size -mccrt-mbranch-cost=n -mcse-cc -msched-prolog -msim

Darwin Options

-all_load -allowable_client -arch -arch_errors_fatal-arch_only -bind_at_load -bundle -bundle_loader-client_name -compatibility_version -current_version-dead_strip-dependency-file -dylib_file -dylinker_install_name-dynamic -dynamiclib -exported_symbols_list-filelist -flat_namespace -force_cpusubtype_ALL-force_flat_namespace -headerpad_max_install_names-iframework-image_base -init -install_name -keep_private_externs-multi_module -multiply_defined -multiply_defined_unused-noall_load -no_dead_strip_inits_and_terms -nodefaultrpaths-nofixprebinding -nomultidefs -noprebind -noseglinkedit-pagezero_size -prebind -prebind_all_twolevel_modules-private_bundle -read_only_relocs -sectalign-sectobjectsymbols -whyload -seg1addr-sectcreate -sectobjectsymbols -sectorder-segaddr -segs_read_only_addr -segs_read_write_addr-seg_addr_table -seg_addr_table_filename -seglinkedit-segprot -segs_read_only_addr -segs_read_write_addr-single_module -static -sub_library -sub_umbrella-twolevel_namespace -umbrella -undefined-unexported_symbols_list -weak_reference_mismatches-whatsloaded -F -gused -gfull -mmacosx-version-min=version-mkernel -mone-byte-bool

DEC Alpha Options

-mno-fp-regs -msoft-float-mieee -mieee-with-inexact -mieee-conformant-mfp-trap-mode=mode -mfp-rounding-mode=mode-mtrap-precision=mode -mbuild-constants-mcpu=cpu-type -mtune=cpu-type-mbwx -mmax -mfix -mcix-mfloat-vax -mfloat-ieee-mexplicit-relocs -msmall-data -mlarge-data-msmall-text -mlarge-text-mmemory-latency=time

eBPF Options

-mbig-endian -mlittle-endian-mframe-limit=bytes -mxbpf -mco-re -mno-co-re -mjmpext-mjmp32 -malu32 -mv3-atomics -mbswap -msdiv -msmov -mcpu=version-masm=dialect -minline-memops-threshold=bytes

FR30 Options

FT32 Options

-msim -mlra -mnodiv -mft32b -mcompress -mnopm

FRV Options

-mgpr-32 -mgpr-64 -mfpr-32 -mfpr-64-mhard-float -msoft-float-malloc-cc -mfixed-cc -mdword -mno-dword-mdouble -mno-double-mmedia -mno-media -mmuladd -mno-muladd-mfdpic -minline-plt -mgprel-ro -multilib-library-pic-mlinked-fp -mlong-calls -malign-labels-mlibrary-pic -macc-4 -macc-8-mpack -mno-pack -mno-eflags -mcond-move -mno-cond-move-moptimize-membar -mno-optimize-membar-mscc -mno-scc -mcond-exec -mno-cond-exec-mvliw-branch -mno-vliw-branch-mmulti-cond-exec -mno-multi-cond-exec -mnested-cond-exec-mno-nested-cond-exec -mtomcat-stats-mTLS -mtls-mcpu=cpu

GNU/Linux Options

-mglibc -muclibc -mmusl -mbionic -mandroid-tno-android-cc -tno-android-ld

H8/300 Options

-mrelax -mh -ms -mn -mexr -mno-exr -mint32 -malign-300

HPPA Options

-march=architecture-type-matomic-libcalls -mbig-switch-mcaller-copies -mdisable-fpregs -mdisable-indexing-mordered -mfast-indirect-calls -mgas -mgnu-ld -mhp-ld-mfixed-range=register-range-mcoherent-ldcw -mjump-in-delay -mlinker-opt -mlong-calls-mlong-load-store -mno-atomic-libcalls -mno-disable-fpregs-mno-disable-indexing -mno-fast-indirect-calls -mno-gas-mno-jump-in-delay -mno-long-load-store-mno-portable-runtime -mno-soft-float-mno-space-regs -msoft-float -mpa-risc-1-0-mpa-risc-1-1 -mpa-risc-2-0 -mportable-runtime-mschedule=cpu-type -mspace-regs -msoft-mult -msio -mwsio-munix=unix-std -nolibdld -static -threads

IA-64 Options

-mbig-endian -mlittle-endian -mgnu-as -mgnu-ld -mno-pic-mvolatile-asm-stop -mregister-names -msdata -mno-sdata-mconstant-gp -mauto-pic -mfused-madd-minline-float-divide-min-latency-minline-float-divide-max-throughput-mno-inline-float-divide-minline-int-divide-min-latency-minline-int-divide-max-throughput-mno-inline-int-divide-minline-sqrt-min-latency -minline-sqrt-max-throughput-mno-inline-sqrt-mdwarf2-asm -mearly-stop-bits-mfixed-range=register-range -mtls-size=tls-size-mtune=cpu-type -milp32 -mlp64-msched-br-data-spec -msched-ar-data-spec -msched-control-spec-msched-br-in-data-spec -msched-ar-in-data-spec -msched-in-control-spec-msched-spec-ldc -msched-spec-control-ldc-msched-prefer-non-data-spec-insns -msched-prefer-non-control-spec-insns-msched-stop-bits-after-every-cycle -msched-count-spec-in-critical-path-msel-sched-dont-check-control-spec -msched-fp-mem-deps-zero-cost-msched-max-memory-insns-hard-limit -msched-max-memory-insns=max-insns

LM32 Options

-mbarrel-shift-enabled -mdivide-enabled -mmultiply-enabled-msign-extend-enabled -muser-enabled

LoongArch Options

-march=arch-type -mtune=tune-type -mabi=base-abi-type-mfpu=fpu-type -msimd=simd-type-msoft-float -msingle-float -mdouble-float -mlsx -mno-lsx -mlasx -mno-lasx-mbranch-cost=n -mcheck-zero-division -mno-check-zero-division-mcond-move-int -mno-cond-move-int-mcond-move-float -mno-cond-move-float-memcpy -mno-memcpy -mstrict-align -mno-strict-align-mmax-inline-memcpy-size=n-mexplicit-relocs=style -mexplicit-relocs -mno-explicit-relocs-mdirect-extern-access -mno-direct-extern-access-mcmodel=code-model -mrelax -mpass-mrelax-to-as-mrecip -mrecip=opt -mfrecipe -mno-frecipe -mdiv32 -mno-div32-mlam-bh -mno-lam-bh -mlamcas -mno-lamcas -mld-seq-sa -mno-ld-seq-sa-mtls-dialect=opt

M32R/D Options

-m32r2 -m32rx -m32r-mdebug-malign-loops -mno-align-loops-missue-rate=number-mbranch-cost=number-mmodel=code-size-model-type-msdata=sdata-type-mno-flush-func -mflush-func=name-mno-flush-trap -mflush-trap=number-G num

M32C Options

-mcpu=cpu -msim -memregs=number

M680x0 Options

-march=arch -mcpu=cpu -mtune=tune-m68000 -m68020 -m68020-40 -m68020-60 -m68030 -m68040-m68060 -mcpu32 -m5200 -m5206e -m528x -m5307 -m5407-mcfv4e -mbitfield -mno-bitfield -mc68000 -mc68020-mnobitfield -mrtd -mno-rtd -mdiv -mno-div -mshort-mno-short -mhard-float -m68881 -msoft-float -mpcrel-malign-int -mstrict-align -msep-data -mno-sep-data-mshared-library-id=n -mid-shared-library -mno-id-shared-library-mxgot -mno-xgot -mlong-jump-table-offsets

MCore Options

-mhardlit -mno-hardlit -mdiv -mno-div -mrelax-immediates-mno-relax-immediates -mwide-bitfields -mno-wide-bitfields-m4byte-functions -mno-4byte-functions -mcallgraph-data-mno-callgraph-data -mslow-bytes -mno-slow-bytes -mno-lsim-mlittle-endian -mbig-endian -m210 -m340 -mstack-increment

MicroBlaze Options

-msoft-float -mhard-float -msmall-divides -mcpu=cpu-mmemcpy -mxl-soft-mul -mxl-soft-div -mxl-barrel-shift-mxl-pattern-compare -mxl-stack-check -mxl-gp-opt -mno-clearbss-mxl-multiply-high -mxl-float-convert -mxl-float-sqrt-mbig-endian -mlittle-endian -mxl-reorder -mxl-mode-app-model-mpic-data-is-text-relative

MIPS Options

-EL -EB -march=arch -mtune=arch-mips1 -mips2 -mips3 -mips4 -mips32 -mips32r2 -mips32r3 -mips32r5-mips32r6 -mips64 -mips64r2 -mips64r3 -mips64r5 -mips64r6-mips16 -mno-mips16 -mflip-mips16-minterlink-compressed -mno-interlink-compressed-minterlink-mips16 -mno-interlink-mips16-mabi=abi -mabicalls -mno-abicalls-mshared -mno-shared -mplt -mno-plt -mxgot -mno-xgot-mgp32 -mgp64 -mfp32 -mfpxx -mfp64 -mhard-float -msoft-float-mno-float -msingle-float -mdouble-float-modd-spreg -mno-odd-spreg-mabs=mode -mnan=encoding-mdsp -mno-dsp -mdspr2 -mno-dspr2-mmcu -mmno-mcu-meva -mno-eva-mvirt -mno-virt-mxpa -mno-xpa-mcrc -mno-crc-mginv -mno-ginv-mmicromips -mno-micromips-mmsa -mno-msa-mloongson-mmi -mno-loongson-mmi-mloongson-ext -mno-loongson-ext-mloongson-ext2 -mno-loongson-ext2-mfpu=fpu-type-msmartmips -mno-smartmips-mpaired-single -mno-paired-single -mdmx -mno-mdmx-mips3d -mno-mips3d -mmt -mno-mt -mllsc -mno-llsc-mlong64 -mlong32 -msym32 -mno-sym32-Gnum -mlocal-sdata -mno-local-sdata-mextern-sdata -mno-extern-sdata -mgpopt -mno-gopt-membedded-data -mno-embedded-data-muninit-const-in-rodata -mno-uninit-const-in-rodata-mcode-readable=setting-msplit-addresses -mno-split-addresses-mexplicit-relocs -mno-explicit-relocs-mexplicit-relocs=release-mcheck-zero-division -mno-check-zero-division-mdivide-traps -mdivide-breaks-mload-store-pairs -mno-load-store-pairs-mstrict-align -mno-strict-align-mno-unaligned-access -munaligned-access-mmemcpy -mno-memcpy -mlong-calls -mno-long-calls-mmad -mno-mad -mimadd -mno-imadd -mfused-madd -mno-fused-madd -nocpp-mfix-24k -mno-fix-24k-mfix-r4000 -mno-fix-r4000 -mfix-r4400 -mno-fix-r4400-mfix-r5900 -mno-fix-r5900-mfix-r10000 -mno-fix-r10000 -mfix-rm7000 -mno-fix-rm7000-mfix-vr4120 -mno-fix-vr4120-mfix-vr4130 -mno-fix-vr4130 -mfix-sb1 -mno-fix-sb1-mflush-func=func -mno-flush-func-mbranch-cost=num -mbranch-likely -mno-branch-likely-mcompact-branches=policy-mfp-exceptions -mno-fp-exceptions-mvr4130-align -mno-vr4130-align -msynci -mno-synci-mlxc1-sxc1 -mno-lxc1-sxc1 -mmadd4 -mno-madd4-mrelax-pic-calls -mno-relax-pic-calls -mmcount-ra-address-mframe-header-opt -mno-frame-header-opt

MMIX Options

-mlibfuncs -mno-libfuncs -mepsilon -mno-epsilon -mabi=gnu-mabi=mmixware -mzero-extend -mknuthdiv -mtoplevel-symbols-melf -mbranch-predict -mno-branch-predict -mbase-addresses-mno-base-addresses -msingle-exit -mno-single-exit

MN10300 Options

-mmult-bug -mno-mult-bug-mno-am33 -mam33 -mam33-2 -mam34-mtune=cpu-type-mreturn-pointer-on-d0-mno-crt0 -mrelax -mliw -msetlb

Moxie Options

-meb -mel -mmul.x -mno-crt0

MSP430 Options

-msim -masm-hex -mmcu= -mcpu= -mlarge -msmall -mrelax-mwarn-mcu-mcode-region= -mdata-region=-msilicon-errata= -msilicon-errata-warn=-mhwmult= -minrt -mtiny-printf -mmax-inline-shift=

NDS32 Options

-mbig-endian -mlittle-endian-mreduced-regs -mfull-regs-mcmov -mno-cmov-mext-perf -mno-ext-perf-mext-perf2 -mno-ext-perf2-mext-string -mno-ext-string-mv3push -mno-v3push-m16bit -mno-16bit-misr-vector-size=num-mcache-block-size=num-march=arch-mcmodel=code-model-mctor-dtor -mrelax

Nios II Options

-G num -mgpopt=option -mgpopt -mno-gpopt-mgprel-sec=regexp -mr0rel-sec=regexp-mel -meb-mno-bypass-cache -mbypass-cache-mno-cache-volatile -mcache-volatile-mno-fast-sw-div -mfast-sw-div-mhw-mul -mno-hw-mul -mhw-mulx -mno-hw-mulx -mno-hw-div -mhw-div-mcustom-insn=N -mno-custom-insn-mcustom-fpu-cfg=name-mhal -msmallc -msys-crt0=name -msys-lib=name-march=arch -mbmx -mno-bmx -mcdx -mno-cdx

Nvidia PTX Options

-m64 -mmainkernel -moptimize

OpenRISC Options

-mboard=name -mnewlib -mhard-mul -mhard-div-msoft-mul -msoft-div-msoft-float -mhard-float -mdouble-float -munordered-float-mcmov -mror -mrori -msext -msfimm -mshftimm-mcmodel=code-model

PDP-11 Options

-mfpu -msoft-float -mac0 -mno-ac0 -m40 -m45 -m10-mint32 -mno-int16 -mint16 -mno-int32-msplit -munix-asm -mdec-asm -mgnu-asm -mlra

PowerPC OptionsSee RS/6000 and PowerPC Options.

PRU Options

-mmcu=mcu -minrt -mno-relax -mloop-mabi=variant

RISC-V Options

-mbranch-cost=N-instruction-mplt -mno-plt-mabi=ABI-string-mfdiv -mno-fdiv-mfence-tso -mno-fence-tso-mdiv -mno-div-misa-spec=ISA-spec-string-march=ISA-string-mtune=processor-string-mpreferred-stack-boundary=num-msmall-data-limit=N-bytes-msave-restore -mno-save-restore-mshorten-memrefs -mno-shorten-memrefs-mstrict-align -mno-strict-align-mcmodel=medlow -mcmodel=medany -mcmodel=large-mexplicit-relocs -mno-explicit-relocs-mrelax -mno-relax-mriscv-attribute -mno-riscv-attribute-malign-data=type-mbig-endian -mlittle-endian-mstack-protector-guard=guard -mstack-protector-guard-reg=reg-mstack-protector-guard-offset=offset-mcsr-check -mno-csr-check-mmovcc -mno-movcc-minline-atomics -mno-inline-atomics-minline-strlen -mno-inline-strlen-minline-strcmp -mno-inline-strcmp-minline-strncmp -mno-inline-strncmp-mtls-dialect=desc -mtls-dialect=trad

RL78 Options

-msim -mmul=none -mmul=g13 -mmul=g14 -mallregs-mcpu=g10 -mcpu=g13 -mcpu=g14 -mg10 -mg13 -mg14-m64bit-doubles -m32bit-doubles -msave-mduc-in-interrupts

RS/6000 and PowerPC Options

-mcpu=cpu-type-mtune=cpu-type-mcmodel=code-model-mpowerpc64-maltivec -mno-altivec-mpowerpc-gpopt -mno-powerpc-gpopt-mpowerpc-gfxopt -mno-powerpc-gfxopt-mmfcrf -mno-mfcrf -mpopcntb -mno-popcntb -mpopcntd -mno-popcntd-mfprnd -mno-fprnd-mcmpb -mno-cmpb -mhard-dfp -mno-hard-dfp-mfull-toc -mminimal-toc -mno-fp-in-toc -mno-sum-in-toc-m64 -m32 -mxl-compat -mno-xl-compat -mpe-malign-power -malign-natural-msoft-float -mhard-float -mmultiple -mno-multiple-mupdate -mno-update-mavoid-indexed-addresses -mno-avoid-indexed-addresses-mfused-madd -mno-fused-madd -mbit-align -mno-bit-align-mstrict-align -mno-strict-align -mrelocatable-mno-relocatable -mrelocatable-lib -mno-relocatable-lib-mtoc -mno-toc -mlittle -mlittle-endian -mbig -mbig-endian-mdynamic-no-pic -mswdiv -msingle-pic-base-mprioritize-restricted-insns=priority-msched-costly-dep=dependence_type-minsert-sched-nops=scheme-mcall-aixdesc -mcall-eabi -mcall-freebsd-mcall-linux -mcall-netbsd -mcall-openbsd-mcall-sysv -mcall-sysv-eabi -mcall-sysv-noeabi-mtraceback=traceback_type-maix-struct-return -msvr4-struct-return-mabi=abi-type -msecure-plt -mbss-plt-mlongcall -mno-longcall -mpltseq -mno-pltseq-mblock-move-inline-limit=num-mblock-compare-inline-limit=num-mblock-compare-inline-loop-limit=num-mno-block-ops-unaligned-vsx-mstring-compare-inline-limit=num-misel -mno-isel-mvrsave -mno-vrsave-mmulhw -mno-mulhw-mdlmzb -mno-dlmzb-mprototype -mno-prototype-msim -mmvme -mads -myellowknife -memb -msdata-msdata=opt -mreadonly-in-sdata -mvxworks -G num-mrecip -mrecip=opt -mno-recip -mrecip-precision-mno-recip-precision-mveclibabi=type -mfriz -mno-friz-mpointers-to-nested-functions -mno-pointers-to-nested-functions-msave-toc-indirect -mno-save-toc-indirect-mpower8-fusion -mno-mpower8-fusion-mcrypto -mno-crypto -mhtm -mno-htm-mquad-memory -mno-quad-memory-mquad-memory-atomic -mno-quad-memory-atomic-mcompat-align-parm -mno-compat-align-parm-mfloat128 -mno-float128 -mfloat128-hardware -mno-float128-hardware-mgnu-attribute -mno-gnu-attribute-mstack-protector-guard=guard -mstack-protector-guard-reg=reg-mstack-protector-guard-offset=offset -mprefixed -mno-prefixed-mpcrel -mno-pcrel -mmma -mno-mmma -mrop-protect -mno-rop-protect-mprivileged -mno-privileged

RX Options

-m64bit-doubles -m32bit-doubles -fpu -nofpu-mcpu=-mbig-endian-data -mlittle-endian-data-msmall-data-msim -mno-sim-mas100-syntax -mno-as100-syntax-mrelax-mmax-constant-size=-mint-register=-mpid-mallow-string-insns -mno-allow-string-insns-mjsr-mno-warn-multiple-fast-interrupts-msave-acc-in-interrupts

S/390 and zSeries Options

-mtune=cpu-type -march=cpu-type-mhard-float -msoft-float -mhard-dfp -mno-hard-dfp-mlong-double-64 -mlong-double-128-mbackchain -mno-backchain -mpacked-stack -mno-packed-stack-msmall-exec -mno-small-exec -mmvcle -mno-mvcle-m64 -m31 -mdebug -mno-debug -mesa -mzarch-mhtm -mvx -mzvector-mtpf-trace -mno-tpf-trace -mtpf-trace-skip -mno-tpf-trace-skip-mfused-madd -mno-fused-madd-mwarn-framesize -mwarn-dynamicstack -mstack-size -mstack-guard-mhotpatch=halfwords,halfwords

SH Options

-m1 -m2 -m2e-m2a-nofpu -m2a-single-only -m2a-single -m2a-m3 -m3e-m4-nofpu -m4-single-only -m4-single -m4-m4a-nofpu -m4a-single-only -m4a-single -m4a -m4al-mb -ml -mdalign -mrelax-mbigtable -mfmovd -mrenesas -mno-renesas -mnomacsave-mieee -mno-ieee -mbitops -misize -minline-ic_invalidate -mpadstruct-mprefergot -musermode -multcost=number -mdiv=strategy-mdivsi3_libfunc=name -mfixed-range=register-range-maccumulate-outgoing-args-matomic-model=atomic-model-mbranch-cost=num -mzdcbranch -mno-zdcbranch-mcbranch-force-delay-slot-mfused-madd -mno-fused-madd -mfsca -mno-fsca -mfsrra -mno-fsrra-mpretend-cmove -mtas

Solaris 2 Options

-mclear-hwcap -mno-clear-hwcap -mimpure-text -mno-impure-text-pthreads

SPARC Options

-mcpu=cpu-type-mtune=cpu-type-mcmodel=code-model-mmemory-model=mem-model-m32 -m64 -mapp-regs -mno-app-regs-mfaster-structs -mno-faster-structs -mflat -mno-flat-mfpu -mno-fpu -mhard-float -msoft-float-mhard-quad-float -msoft-quad-float-mstack-bias -mno-stack-bias-mstd-struct-return -mno-std-struct-return-munaligned-doubles -mno-unaligned-doubles-muser-mode -mno-user-mode-mv8plus -mno-v8plus -mvis -mno-vis-mvis2 -mno-vis2 -mvis3 -mno-vis3-mvis4 -mno-vis4 -mvis4b -mno-vis4b-mcbcond -mno-cbcond -mfmaf -mno-fmaf -mfsmuld -mno-fsmuld-mpopc -mno-popc -msubxc -mno-subxc-mfix-at697f -mfix-ut699 -mfix-ut700 -mfix-gr712rc-mlra -mno-lra

System V Options

-Qy -Qn -YP,paths -Ym,dir

V850 Options

-mlong-calls -mno-long-calls -mep -mno-ep-mprolog-function -mno-prolog-function -mspace-mtda=n -msda=n -mzda=n-mapp-regs -mno-app-regs-mdisable-callt -mno-disable-callt-mv850e2v3 -mv850e2 -mv850e1 -mv850es-mv850e -mv850 -mv850e3v5-mloop-mrelax-mlong-jumps-msoft-float-mhard-float-mgcc-abi-mrh850-abi-mbig-switch

VAX Options

-munix -mgnu -md -md-float -mg -mg-float -mlra

Visium Options

-mdebug -msim -mfpu -mno-fpu -mhard-float -msoft-float-mcpu=cpu-type -mtune=cpu-type -msv-mode -muser-mode

VMS Options

-mvms-return-codes -mdebug-main=prefix -mmalloc64-mpointer-size=size

VxWorks Options

-mrtp -msmp -non-static -Bstatic -Bdynamic-Xbind-lazy -Xbind-now

x86 Options

-mtune=cpu-type -march=cpu-type-mtune-ctrl=feature-list -mdump-tune-features -mno-default-mfpmath=unit-masm=dialect -mno-fancy-math-387-mno-fp-ret-in-387 -m80387 -mhard-float -msoft-float-mno-wide-multiply -mrtd -malign-double-mpreferred-stack-boundary=num-mincoming-stack-boundary=num-mcld -mcx16 -msahf -mmovbe -mcrc32 -mmwait-mrecip -mrecip=opt-mvzeroupper -mprefer-avx128 -mprefer-vector-width=opt-mpartial-vector-fp-math-mmove-max=bits -mstore-max=bits-mnoreturn-no-callee-saved-registers-mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -msse4 -mavx-mavx2 -mavx512f -mavx512cd -mavx512vl-mavx512bw -mavx512dq -mavx512ifma -mavx512vbmi -msha -maes-mpclmul -mfsgsbase -mrdrnd -mf16c -mfma -mpconfig -mwbnoinvd-mptwrite -mclflushopt -mclwb -mxsavec -mxsaves-msse4a -m3dnow -m3dnowa -mpopcnt -mabm -mbmi -mtbm -mfma4 -mxop-madx -mlzcnt -mbmi2 -mfxsr -mxsave -mxsaveopt -mrtm -mhle -mlwp-mmwaitx -mclzero -mpku -mthreads -mgfni -mvaes -mwaitpkg-mshstk -mmanual-endbr -mcet-switch -mforce-indirect-call-mavx512vbmi2 -mavx512bf16 -menqcmd-mvpclmulqdq -mavx512bitalg -mmovdiri -mmovdir64b -mavx512vpopcntdq-mavx512vnni -mprfchw -mrdpid-mrdseed -msgx -mavx512vp2intersect -mserialize -mtsxldtrk-mamx-tile -mamx-int8 -mamx-bf16 -muintr -mhreset -mavxvnni-mavx512fp16 -mavxifma -mavxvnniint8 -mavxneconvert -mcmpccxadd -mamx-fp16-mprefetchi -mraoint -mamx-complex -mavxvnniint16 -msm3 -msha512 -msm4 -mapxf-musermsr -mavx10.1 -mavx10.1-256 -mavx10.1-512 -mevex512-mcldemote -mms-bitfields -mno-align-stringops -minline-all-stringops-minline-stringops-dynamically -mstringop-strategy=alg-mkl -mwidekl-mmemcpy-strategy=strategy -mmemset-strategy=strategy-mpush-args -maccumulate-outgoing-args -m128bit-long-double-m96bit-long-double -mlong-double-64 -mlong-double-80 -mlong-double-128-mregparm=num -msseregparm-mveclibabi=type -mvect8-ret-in-mem-mpc32 -mpc64 -mpc80 -mdaz-ftz -mstackrealign-momit-leaf-frame-pointer -mno-red-zone -mno-tls-direct-seg-refs-mcmodel=code-model -mabi=name -maddress-mode=mode-m32 -m64 -mx32 -m16 -miamcu -mlarge-data-threshold=num-msse2avx -mfentry -mrecord-mcount -mnop-mcount -m8bit-idiv-minstrument-return=type -mfentry-name=name -mfentry-section=name-mavx256-split-unaligned-load -mavx256-split-unaligned-store-malign-data=type -mstack-protector-guard=guard-mstack-protector-guard-reg=reg-mstack-protector-guard-offset=offset-mstack-protector-guard-symbol=symbol-mgeneral-regs-only -mcall-ms2sysv-xlogues -mrelax-cmpxchg-loop-mindirect-branch=choice -mfunction-return=choice-mindirect-branch-register -mharden-sls=choice-mindirect-branch-cs-prefix -mneeded -mno-direct-extern-access-munroll-only-small-loops -mlam=choice

x86 Windows Options

Cygwin and MinGW Options

-mconsole -mcrtdll=library -mdll-mnop-fun-dllimport -mthread-municode -mwin32 -mwindows -fno-set-stack-executable

Xstormy16 Options

-msim

Xtensa Options

-mconst16 -mno-const16-mfused-madd -mno-fused-madd-mforce-no-pic-mserialize-volatile -mno-serialize-volatile-mtext-section-literals -mno-text-section-literals-mauto-litpools -mno-auto-litpools-mtarget-align -mno-target-align-mlongcalls -mno-longcalls-mabi=abi-type-mextra-l32r-costs=cycles-mstrict-align -mno-strict-align

zSeries OptionsSee S/390 and zSeries Options.

Option Summary (Using the GNU Compiler Collection (GCC)) (2024)
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