Documentation for GNU compilers

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Option Index

GCC's command line options are indexed here without any initial - or --. Where an option has both positive and negative forms (such as -foption and -fno-option), relevant entries in the manual are indexed under the most appropriate form; it may sometimes be useful to look up both forms.

###: Overall Options
-dynamiclib: Darwin Options
-force_cpusubtype_ALL: Darwin Options
-fsplit-ivs-in-unroller: Optimize Options
-fvariable-expansion-in-unroller: Optimize Options
-gfull: Darwin Options
-gused: Darwin Options
-mone-byte-bool: Darwin Options
A: Preprocessor Options
all_load: Darwin Options
allowable_client: Darwin Options
ansi: Non-bugs
ansi: Other Builtins
ansi: Preprocessor Options
ansi: C Dialect Options
ansi: Standards
arch_errors_fatal: Darwin Options
aux-info: C Dialect Options
b: Target Options
B: Directory Options
bcopy-builtin: PDP-11 Options
bind_at_load: Darwin Options
bundle: Darwin Options
bundle_loader: Darwin Options
c: Link Options
C: Preprocessor Options
c: Overall Options
client_name: Darwin Options
combine: Overall Options
compatibility_version: Darwin Options
crossjumping: Optimize Options
current_version: Darwin Options
D: Preprocessor Options
d: Debugging Options
da: Debugging Options
dA: Debugging Options
dB: Debugging Options
db: Debugging Options
dC: Debugging Options
dc: Debugging Options
dD: Preprocessor Options
dD: Debugging Options
dd: Debugging Options
dE: Debugging Options
dead_strip: Darwin Options
dependency-file: Darwin Options
df: Debugging Options
dG: Debugging Options
dg: Debugging Options
dH: Debugging Options
dh: Debugging Options
dI: Preprocessor Options
di: Debugging Options
dj: Debugging Options
dk: Debugging Options
dL: Debugging Options
dl: Debugging Options
dM: Preprocessor Options
dm: Debugging Options
dM: Debugging Options
dm: Debugging Options
dN: Preprocessor Options
dN: Debugging Options
dn: Debugging Options
do: Debugging Options
dP: Debugging Options
dp: Debugging Options
dR: Debugging Options
dr: Debugging Options
dS: Debugging Options
ds: Debugging Options
dT: Debugging Options
dt: Debugging Options
dumpmachine: Debugging Options
dumpspecs: Debugging Options
dumpversion: Debugging Options
dv: Debugging Options
dV: Debugging Options
dw: Debugging Options
dx: Debugging Options
dy: Debugging Options
dylib_file: Darwin Options
dylinker_install_name: Darwin Options
dynamic: Darwin Options
dZ: Debugging Options
dz: Debugging Options
E: Link Options
E: Overall Options
EB: MIPS Options
EB: ARC Options
EL: MIPS Options
EL: ARC Options
exported_symbols_list: Darwin Options
F: Darwin Options
fabi-version: C++ Dialect Options
falign-functions: Optimize Options
falign-jumps: Optimize Options
falign-labels: Optimize Options
falign-loops: Optimize Options
fargument-alias: Code Gen Options
fargument-noalias: Code Gen Options
fargument-noalias-global: Code Gen Options
fasynchronous-unwind-tables: Code Gen Options
fbounds-check: Code Gen Options
fbounds-check: Optimize Options
fbranch-probabilities: Optimize Options
fbranch-target-load-optimize: Optimize Options
fbranch-target-load-optimize2: Optimize Options
fbtr-bb-exclusive: Optimize Options
fcall-saved: Interoperation
fcall-saved: Code Gen Options
fcall-used: Code Gen Options
fcaller-saves: Optimize Options
fcheck-new: C++ Dialect Options
fcommon: Variable Attributes
fcond-mismatch: C Dialect Options
fconserve-space: C++ Dialect Options
fconstant-string-class: Objective-C and Objective-C++ Dialect Options
fcse-follow-jumps: Optimize Options
fcse-skip-blocks: Optimize Options
fdata-sections: Optimize Options
fdelayed-branch: Optimize Options
fdelete-null-pointer-checks: Optimize Options
fdiagnostics-show-location: Language Independent Options
fdollars-in-identifiers: Interoperation
fdollars-in-identifiers: Preprocessor Options
fdump-class-hierarchy: Debugging Options
fdump-ipa: Debugging Options
fdump-rtl-all: Debugging Options
fdump-rtl-bbro: Debugging Options
fdump-rtl-bp: Debugging Options
fdump-rtl-btl: Debugging Options
fdump-rtl-bypass: Debugging Options
fdump-rtl-ce1: Debugging Options
fdump-rtl-ce2: Debugging Options
fdump-rtl-ce3: Debugging Options
fdump-rtl-cfg: Debugging Options
fdump-rtl-combine: Debugging Options
fdump-rtl-cse: Debugging Options
fdump-rtl-cse2: Debugging Options
fdump-rtl-dbr: Debugging Options
fdump-rtl-eh: Debugging Options
fdump-rtl-expand: Debugging Options
fdump-rtl-flow2: Debugging Options
fdump-rtl-gcse: Debugging Options
fdump-rtl-greg: Debugging Options
fdump-rtl-jump: Debugging Options
fdump-rtl-life: Debugging Options
fdump-rtl-loop: Debugging Options
fdump-rtl-loop2: Debugging Options
fdump-rtl-lreg: Debugging Options
fdump-rtl-mach: Debugging Options
fdump-rtl-peephole2: Debugging Options
fdump-rtl-postreload: Debugging Options
fdump-rtl-regmove: Debugging Options
fdump-rtl-rnreg: Debugging Options
fdump-rtl-sched: Debugging Options
fdump-rtl-sched2: Debugging Options
fdump-rtl-sibling: Debugging Options
fdump-rtl-sms: Debugging Options
fdump-rtl-stack: Debugging Options
fdump-rtl-tracer: Debugging Options
fdump-rtl-vartrack: Debugging Options
fdump-rtl-vpt: Debugging Options
fdump-rtl-web: Debugging Options
fdump-translation-unit: Debugging Options
fdump-tree: Debugging Options
fdump-tree-alias: Debugging Options
fdump-tree-all: Debugging Options
fdump-tree-ccp: Debugging Options
fdump-tree-cfg: Debugging Options
fdump-tree-ch: Debugging Options
fdump-tree-copyrename: Debugging Options
fdump-tree-dce: Debugging Options
fdump-tree-dom: Debugging Options
fdump-tree-dse: Debugging Options
fdump-tree-forwprop: Debugging Options
fdump-tree-fre: Debugging Options
fdump-tree-gimple: Debugging Options
fdump-tree-mudflap: Debugging Options
fdump-tree-nrv: Debugging Options
fdump-tree-phiopt: Debugging Options
fdump-tree-pre: Debugging Options
fdump-tree-sra: Debugging Options
fdump-tree-ssa: Debugging Options
fdump-tree-vcg: Debugging Options
fdump-tree-vect: Debugging Options
fdump-unnumbered: Debugging Options
feliminate-dwarf2-dups: Debugging Options
feliminate-unused-debug-symbols: Debugging Options
feliminate-unused-debug-types: Debugging Options
fexceptions: Code Gen Options
fexec-charset: Preprocessor Options
fexpensive-optimizations: Optimize Options
ffast-math: Optimize Options
ffinite-math-only: Optimize Options
ffix-and-continue: Darwin Options
ffixed: Code Gen Options
ffloat-store: Disappointments
ffloat-store: Optimize Options
ffor-scope: C++ Dialect Options
fforce-addr: Optimize Options
fforce-mem: Optimize Options
ffreestanding: Function Attributes
ffreestanding: Warning Options
ffreestanding: C Dialect Options
ffreestanding: Standards
ffunction-sections: Optimize Options
fgcse: Optimize Options
fgcse-after-reload: Optimize Options
fgcse-las: Optimize Options
fgcse-lm: Optimize Options
fgcse-sm: Optimize Options
fgnu-runtime: Objective-C and Objective-C++ Dialect Options
fhosted: C Dialect Options
filelist: Darwin Options
findirect-data: Darwin Options
finhibit-size-directive: Code Gen Options
finline-functions: Optimize Options
finline-limit: Optimize Options
finput-charset: Preprocessor Options
finstrument-functions: Function Attributes
finstrument-functions: Code Gen Options
fkeep-inline-functions: Inline
fkeep-inline-functions: Optimize Options
fkeep-static-consts: Optimize Options
flat_namespace: Darwin Options
fleading-underscore: Code Gen Options
floop-optimize: Optimize Options
floop-optimize2: Optimize Options
fmem-report: Debugging Options
fmessage-length: Language Independent Options
fmodulo-sched: Optimize Options
fmove-loop-invariants: Optimize Options
fms-extensions: Unnamed Fields
fms-extensions: C++ Dialect Options
fms-extensions: C Dialect Options
fmudflap: Optimize Options
fmudflapir: Optimize Options
fmudflapth: Optimize Options
fnew-ra: Optimize Options
fnext-runtime: Objective-C and Objective-C++ Dialect Options
fno-access-control: C++ Dialect Options
fno-asm: C Dialect Options
fno-branch-count-reg: Optimize Options
fno-builtin: Other Builtins
fno-builtin: Function Attributes
fno-builtin: Warning Options
fno-builtin: C Dialect Options
fno-common: Variable Attributes
fno-common: Code Gen Options
fno-const-strings: C++ Dialect Options
fno-cprop-registers: Optimize Options
fno-default-inline: Inline
fno-default-inline: Optimize Options
fno-default-inline: C++ Dialect Options
fno-defer-pop: Optimize Options
fno-elide-constructors: C++ Dialect Options
fno-enforce-eh-specs: C++ Dialect Options
fno-for-scope: C++ Dialect Options
fno-function-cse: Optimize Options
fno-gnu-keywords: C++ Dialect Options
fno-guess-branch-probability: Optimize Options
fno-ident: Code Gen Options
fno-implement-inlines: C++ Interface
fno-implement-inlines: C++ Dialect Options
fno-implicit-inline-templates: C++ Dialect Options
fno-implicit-templates: Template Instantiation
fno-implicit-templates: C++ Dialect Options
fno-inline: Optimize Options
fno-math-errno: Optimize Options
fno-nil-receivers: Objective-C and Objective-C++ Dialect Options
fno-nonansi-builtins: C++ Dialect Options
fno-operator-names: C++ Dialect Options
fno-optional-diags: C++ Dialect Options
fno-peephole: Optimize Options
fno-peephole2: Optimize Options
fno-rtti: C++ Dialect Options
fno-sched-interblock: Optimize Options
fno-sched-spec: Optimize Options
fno-show-column: Preprocessor Options
fno-signed-bitfields: C Dialect Options
fno-stack-limit: Code Gen Options
fno-threadsafe-statics: C++ Dialect Options
fno-trapping-math: Optimize Options
fno-unsigned-bitfields: C Dialect Options
fno-weak: C++ Dialect Options
fno-working-directory: Preprocessor Options
fno-zero-initialized-in-bss: Optimize Options
fnon-call-exceptions: Code Gen Options
fobjc-exceptions: Objective-C and Objective-C++ Dialect Options
fomit-frame-pointer: Optimize Options
foptimize-register-move: Optimize Options
foptimize-sibling-calls: Optimize Options
force_flat_namespace: Darwin Options
fpack-struct: Code Gen Options
fpcc-struct-return: Incompatibilities
fpcc-struct-return: Code Gen Options
fpch-deps: Preprocessor Options
fpch-preprocess: Preprocessor Options
fpeel-loops: Optimize Options
fpermissive: C++ Dialect Options
fPIC: Code Gen Options
fpic: Code Gen Options
fPIE: Code Gen Options
fpie: Code Gen Options
fprefetch-loop-arrays: Optimize Options
fpreprocessed: Preprocessor Options
fprofile-arcs: Other Builtins
fprofile-arcs: Debugging Options
fprofile-generate: Optimize Options
fprofile-use: Optimize Options
fprofile-values: Optimize Options
frandom-string: Debugging Options
freg-struct-return: Code Gen Options
fregmove: Optimize Options
frename-registers: Optimize Options
freorder-blocks: Optimize Options
freorder-blocks-and-partition: Optimize Options
freorder-functions: Optimize Options
freplace-objc-classes: Objective-C and Objective-C++ Dialect Options
frepo: Template Instantiation
frepo: C++ Dialect Options
frerun-cse-after-loop: Optimize Options
frerun-loop-opt: Optimize Options
frounding-math: Optimize Options
fsched-spec-load: Optimize Options
fsched-spec-load-dangerous: Optimize Options
fsched-stalled-insns: Optimize Options
fsched-stalled-insns-dep: Optimize Options
fsched-verbose: Debugging Options
fsched2-use-superblocks: Optimize Options
fsched2-use-traces: Optimize Options
fschedule-insns: Optimize Options
fschedule-insns2: Optimize Options
fscheduling-in-modulo-scheduled-loops: Optimize Options
fshared-data: Code Gen Options
fshort-double: Code Gen Options
fshort-enums: Non-bugs
fshort-enums: Type Attributes
fshort-enums: Structures unions enumerations and bit-fields implementation
fshort-enums: Code Gen Options
fshort-wchar: Code Gen Options
fsignaling-nans: Optimize Options
fsigned-bitfields: Non-bugs
fsigned-bitfields: C Dialect Options
fsigned-char: Characters implementation
fsigned-char: C Dialect Options
fsingle-precision-constant: Optimize Options
fspeculative-prefetching: Optimize Options
fstack-check: Code Gen Options
fstack-limit-register: Code Gen Options
fstack-limit-symbol: Code Gen Options
fstats: C++ Dialect Options
fstrength-reduce: Optimize Options
fstrict-aliasing: Optimize Options
fsyntax-only: Warning Options
ftabstop: Preprocessor Options
ftemplate-depth: C++ Dialect Options
ftest-coverage: Debugging Options
fthread-jumps: Optimize Options
ftime-report: Debugging Options
ftracer: Optimize Options
ftrapv: Code Gen Options
ftree-based-profiling: Debugging Options
funit-at-a-time: Optimize Options
funroll-all-loops: Optimize Options
funroll-loops: Non-bugs
funroll-loops: Optimize Options
funsafe-math-optimizations: Optimize Options
funsigned-bitfields: Non-bugs
funsigned-bitfields: Structures unions enumerations and bit-fields implementation
funsigned-bitfields: C Dialect Options
funsigned-char: Characters implementation
funsigned-char: C Dialect Options
funswitch-loops: Optimize Options
funwind-tables: Code Gen Options
fuse-cxa-atexit: C++ Dialect Options
fvar-tracking: Debugging Options
fverbose-asm: Code Gen Options
fvisibility: Code Gen Options
fvisibility-inlines-hidden: C++ Dialect Options
fvpt: Optimize Options
fweb: Optimize Options
fwide-exec-charset: Preprocessor Options
fworking-directory: Preprocessor Options
fwrapv: Code Gen Options
fzero-link: Objective-C and Objective-C++ Dialect Options
G: System V Options
G: RS/6000 and PowerPC Options
G: MIPS Options
G: M32R/D Options
g: Debugging Options
gcoff: Debugging Options
gdwarf-2: Debugging Options
gen-decls: Objective-C and Objective-C++ Dialect Options
ggdb: Debugging Options
gnu-ld: HPPA Options
gstabs: Debugging Options
gstabs+: Debugging Options
gvms: Debugging Options
gxcoff: Debugging Options
gxcoff+: Debugging Options
H: Preprocessor Options
headerpad_max_install_names: Darwin Options
help: Preprocessor Options
help: Overall Options
hp-ld: HPPA Options
I: Directory Options
I: Preprocessor Options
I-: Directory Options
I-: Preprocessor Options
idirafter: Preprocessor Options
if-conversion: Optimize Options
if-conversion2: Optimize Options
imacros: Preprocessor Options
image_base: Darwin Options
include: Preprocessor Options
init: Darwin Options
install_name: Darwin Options
iprefix: Preprocessor Options
iquote: Directory Options
iquote: Preprocessor Options
isystem: Preprocessor Options
iwithprefix: Preprocessor Options
iwithprefixbefore: Preprocessor Options
keep_private_externs: Darwin Options
L: Directory Options
l: Link Options
lobjc: Link Options
M: Preprocessor Options
m1: SH Options
m10: PDP-11 Options
m128bit-long-double: i386 and x86-64 Options
m16-bit: CRIS Options
m2: SH Options
m210: MCore Options
m3: SH Options
m31: S/390 and zSeries Options
m32: SPARC Options
m32: RS/6000 and PowerPC Options
m32: i386 and x86-64 Options
m32-bit: CRIS Options
m32032: NS32K Options
m32081: NS32K Options
m32332: NS32K Options
m32381: NS32K Options
m32532: NS32K Options
m32r: M32R/D Options
m32r2: M32R/D Options
m32rx: M32R/D Options
m340: MCore Options
m386: i386 and x86-64 Options
m3dnow: i386 and x86-64 Options
m3e: SH Options
m4: SH Options
m4-nofpu: SH Options
m4-single: SH Options
m4-single-only: SH Options
m40: PDP-11 Options
m45: PDP-11 Options
m486: i386 and x86-64 Options
m4a: SH Options
m4a-nofpu: SH Options
m4a-single: SH Options
m4a-single-only: SH Options
m4al: SH Options
m4byte-functions: MCore Options
m5200: M680x0 Options
m64: SPARC Options
m64: S/390 and zSeries Options
m64: RS/6000 and PowerPC Options
m64: i386 and x86-64 Options
m68000: M680x0 Options
m68020: M680x0 Options
m68020-40: M680x0 Options
m68020-60: M680x0 Options
m68030: M680x0 Options
m68040: M680x0 Options
m68060: M680x0 Options
m6811: M68hc1x Options
m6812: M68hc1x Options
m68881: M680x0 Options
m68hc11: M68hc1x Options
m68hc12: M68hc1x Options
m68hcs12: M68hc1x Options
m68S12: M68hc1x Options
m8-bit: CRIS Options
m96bit-long-double: i386 and x86-64 Options
mabi: ARM Options
mabi-mmixware: MMIX Options
mabi=32: MIPS Options
mabi=64: MIPS Options
mabi=altivec: RS/6000 and PowerPC Options
mabi=eabi: MIPS Options
mabi=gnu: MMIX Options
mabi=n32: MIPS Options
mabi=no-altivec: RS/6000 and PowerPC Options
mabi=no-spe: RS/6000 and PowerPC Options
mabi=o64: MIPS Options
mabi=spe: RS/6000 and PowerPC Options
mabicalls: MIPS Options
mabort-on-noreturn: ARM Options
mabshi: PDP-11 Options
mac0: PDP-11 Options
macc-4: FRV Options
macc-8: FRV Options
maccumulate-outgoing-args: i386 and x86-64 Options
mads: RS/6000 and PowerPC Options
maix-struct-return: RS/6000 and PowerPC Options
maix32: RS/6000 and PowerPC Options
maix64: RS/6000 and PowerPC Options
malign-300: H8/300 Options
malign-double: i386 and x86-64 Options
malign-int: M680x0 Options
malign-labels: FRV Options
malign-loops: M32R/D Options
malign-natural: RS/6000 and PowerPC Options
malign-power: RS/6000 and PowerPC Options
malloc-cc: FRV Options
malpha-as: DEC Alpha Options
maltivec: RS/6000 and PowerPC Options
mam33: MN10300 Options
maout: CRIS Options
mapcs: ARM Options
mapcs-frame: ARM Options
mapp-regs: V850 Options
mapp-regs: SPARC Options
march: S/390 and zSeries Options
march: MIPS Options
march: i386 and x86-64 Options
march: HPPA Options
march: CRIS Options
march: ARM Options
masm=dialect: i386 and x86-64 Options
mauto-incdec: M68hc1x Options
mauto-pic: IA-64 Options
mb: SH Options
mb-step: IA-64 Options
mbackchain: S/390 and zSeries Options
mbase-addresses: MMIX Options
mbcopy: PDP-11 Options
mbig: TMS320C3x/C4x Options
mbig: RS/6000 and PowerPC Options
mbig-endian: RS/6000 and PowerPC Options
mbig-endian: MCore Options
mbig-endian: IA-64 Options
mbig-endian: ARM Options
mbig-memory: TMS320C3x/C4x Options
mbig-switch: V850 Options
mbig-switch: HPPA Options
mbigtable: SH Options
mbit-align: RS/6000 and PowerPC Options
mbitfield: NS32K Options
mbitfield: M680x0 Options
mbk: TMS320C3x/C4x Options
mbranch-cheap: PDP-11 Options
mbranch-cost=number: M32R/D Options
mbranch-expensive: PDP-11 Options
mbranch-likely: MIPS Options
mbranch-predict: MMIX Options
mbuild-constants: DEC Alpha Options
mbwx: DEC Alpha Options
mc68000: M680x0 Options
mc68020: M680x0 Options
mcall-gnu: RS/6000 and PowerPC Options
mcall-linux: RS/6000 and PowerPC Options
mcall-netbsd: RS/6000 and PowerPC Options
mcall-prologues: AVR Options
mcall-solaris: RS/6000 and PowerPC Options
mcall-sysv: RS/6000 and PowerPC Options
mcall-sysv-eabi: RS/6000 and PowerPC Options
mcall-sysv-noeabi: RS/6000 and PowerPC Options
mcallee-super-interworking: ARM Options
mcaller-super-interworking: ARM Options
mcallgraph-data: MCore Options
mcc-init: CRIS Options
mcheck-zero-division: MIPS Options
mcirrus-fix-invalid-insns: ARM Options
mcix: DEC Alpha Options
mcmodel=embmedany: SPARC Options
mcmodel=kernel: i386 and x86-64 Options
mcmodel=large: i386 and x86-64 Options
mcmodel=medany: SPARC Options
mcmodel=medium: i386 and x86-64 Options
mcmodel=medlow: SPARC Options
mcmodel=medmid: SPARC Options
mcmodel=small: i386 and x86-64 Options
mcond-exec: FRV Options
mcond-move: FRV Options
mconst-align: CRIS Options
mconst16: Xtensa Options
mconstant-gp: IA-64 Options
mcpu: TMS320C3x/C4x Options
mcpu: SPARC Options
mcpu: RS/6000 and PowerPC Options
mcpu: i386 and x86-64 Options
mcpu: FRV Options
mcpu: DEC Alpha Options
mcpu: CRIS Options
mcpu: ARM Options
mcpu: ARC Options
mcpu32: M680x0 Options
MD: Preprocessor Options
mdalign: SH Options
mdata: ARC Options
mdata-align: CRIS Options
mdb: TMS320C3x/C4x Options
mdebug: S/390 and zSeries Options
mdebug: M32R/D Options
mdec-asm: PDP-11 Options
mdisable-callt: V850 Options
mdisable-fpregs: HPPA Options
mdisable-indexing: HPPA Options
mdiv: MCore Options
mdivide-breaks: MIPS Options
mdivide-traps: MIPS Options
mdouble: FRV Options
mdouble-float: MIPS Options
mdp-isr-reload: TMS320C3x/C4x Options
mdwarf2-asm: IA-64 Options
mdword: FRV Options
mdynamic-no-pic: RS/6000 and PowerPC Options
meabi: RS/6000 and PowerPC Options
mearly-stop-bits: IA-64 Options
melf: MMIX Options
melf: CRIS Options
melinux: CRIS Options
melinux-stacksize: CRIS Options
memb: RS/6000 and PowerPC Options
membedded-data: MIPS Options
mep: V850 Options
mepsilon: MMIX Options
mesa: S/390 and zSeries Options
metrax100: CRIS Options
metrax4: CRIS Options
mexplicit-relocs: MIPS Options
mexplicit-relocs: DEC Alpha Options
MF: Preprocessor Options
mfast-fix: TMS320C3x/C4x Options
mfast-indirect-calls: HPPA Options
mfaster-structs: SPARC Options
mfdpic: FRV Options
mfix: DEC Alpha Options
mfix-and-continue: Darwin Options
mfix-r4000: MIPS Options
mfix-r4400: MIPS Options
mfix-sb1: MIPS Options
mfix-vr4120: MIPS Options
mfixed-cc: FRV Options
mfixed-range: IA-64 Options
mfixed-range: HPPA Options
mfloat-abi: ARM Options
mfloat-gprs: RS/6000 and PowerPC Options
mfloat-ieee: DEC Alpha Options
mfloat-vax: DEC Alpha Options
mfloat32: PDP-11 Options
mfloat64: PDP-11 Options
mflush-func: MIPS Options
mflush-func=name: M32R/D Options
mflush-trap=number: M32R/D Options
mfmovd: SH Options
mfp: ARM Options
mfp-exceptions: MIPS Options
mfp-reg: DEC Alpha Options
mfp-rounding-mode: DEC Alpha Options
mfp-trap-mode: DEC Alpha Options
mfp32: MIPS Options
mfp64: MIPS Options
mfpe: ARM Options
mfpr-32: FRV Options
mfpr-64: FRV Options
mfpu: SPARC Options
mfpu: PDP-11 Options
mfpu: ARM Options
mfull-toc: RS/6000 and PowerPC Options
mfused-madd: Xtensa Options
mfused-madd: S/390 and zSeries Options
mfused-madd: RS/6000 and PowerPC Options
mfused-madd: MIPS Options
mg: VAX Options
MG: Preprocessor Options
mgas: HPPA Options
mgas: DEC Alpha Options
mgnu: VAX Options
mgnu-as: IA-64 Options
mgnu-ld: IA-64 Options
mgotplt: CRIS Options
mgp32: MIPS Options
mgp64: MIPS Options
mgpr-32: FRV Options
mgpr-64: FRV Options
mgprel-ro: FRV Options
mh: H8/300 Options
mhard-float: SPARC Options
mhard-float: S/390 and zSeries Options
mhard-float: RS/6000 and PowerPC Options
mhard-float: MIPS Options
mhard-float: FRV Options
mhard-float: ARM Options
mhard-quad-float: SPARC Options
mhardlit: MCore Options
mhimem: NS32K Options
mhitachi: SH Options
mieee: SH Options
mieee: DEC Alpha Options
mieee-compare: NS32K Options
mieee-conformant: DEC Alpha Options
mieee-fp: i386 and x86-64 Options
mieee-with-inexact: DEC Alpha Options
mimpure-text: SPARC Options
minit-stack: AVR Options
minline-all-stringops: i386 and x86-64 Options
minline-float-divide-max-throughput: IA-64 Options
minline-float-divide-min-latency: IA-64 Options
minline-int-divide-max-throughput: IA-64 Options
minline-int-divide-min-latency: IA-64 Options
minline-plt: FRV Options
minmax: M68hc1x Options
minsert-sched-nops: RS/6000 and PowerPC Options
mint16: PDP-11 Options
mint32: PDP-11 Options
mint32: H8/300 Options
mint64: MIPS Options
mint8: AVR Options
mips1: MIPS Options
mips16: MIPS Options
mips2: MIPS Options
mips3: MIPS Options
mips32: MIPS Options
mips32r2: MIPS Options
mips3d: MIPS Options
mips4: MIPS Options
mips64: MIPS Options
misel: RS/6000 and PowerPC Options
misize: SH Options
missue-rate=number: M32R/D Options
mjump-in-delay: HPPA Options
mknuthdiv: MMIX Options
ml: SH Options
mlarge-data: DEC Alpha Options
mlarge-text: DEC Alpha Options
mlibfuncs: MMIX Options
mlibrary-pic: FRV Options
mlinked-fp: FRV Op