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|
#compdef gcc g++ cc c++ llvm-gcc llvm-g++ clang clang++ -value-,LDFLAGS,-default- -value-,CFLAGS,-default- -value-,CXXFLAGS,-default- -value-,CPPFLAGS,-default- -P gcc-* -P g++-* -P c++-*
local curcontext="$curcontext" state line ret=1 expl args args2 march
typeset -A opt_args
if [[ "$service" = -value-* ]]; then
compset -q
words=( fake "$words[@]" )
(( CURRENT++ ))
if [[ "$service" = *LDFLAGS ]]; then
args2=( '-R:runtime path:->rundir' )
else
args2=()
fi
else
args2=( '*:input file:_files -g "*.([cCmisSoak]|cc|cpp|cxx|ii|k[ih])(-.)"' )
fi
args=()
case $MACHTYPE in
m68*)
args=(
-m68000 -m68020 -m68020-40 -m68030 -m68040 -m68881
-mbitfield -mc68000 -mc68020 -mfpa -mnobitfield
-mrtd -mshort -msoft-float
)
;;
vax)
args=(
-mg -mgnu -munix
)
;;
c[1234]*)
args=(
-mc1 -mc2 -mc32 -mc34 -mc38
-margcount -mnoargcount
-mlong32 -mlong64
-mvolatile-cache -mvolatile-nocache
)
;;
amd290?0)
args=(
-m29000 -m29050 -mbw -mnbw -mdw -mndw
-mlarge -mnormal -msmall
-mkernel-registers -mno-reuse-arg-regs
-mno-stack-check -mno-storem-bug
-mreuse-arg-regs -msoft-float -mstack-check
-mstorem-bug -muser-registers
)
;;
arm)
args=(
-mapcs -m2 -m3 -m6 -mbsd -mxopen -mno-symrename
)
;;
m88k)
args=(
-m88000 -m88100 -m88110 -mbig-pic
-mcheck-zero-division -mhandle-large-shift
-midentify-revision -mno-check-zero-division
-mno-ocs-debug-info -mno-ocs-frame-position
-mno-optimize-arg-area -mno-serialize-volatile
-mno-underscores -mocs-debug-info
-mocs-frame-position -moptimize-arg-area
-mserialize-volatile -msvr3
-msvr4 -mtrap-large-shift -muse-div-instruction
-mversion-03.00 -mwarn-passed-structs
'-mshort-data--:maximum displacement:'
)
;;
rs6000|powerpc*)
args=(
'-mcpu=:CPU type:(rios1 rios2 rsc 501 603 604 power powerpc 403 common)'
-mpower -mno-power -mpower2 -mno-power2
-mpowerpc -mno-powerpc
-mpowerpc-gpopt -mno-powerpc-gpopt
-mpowerpc-gfxopt -mno-powerpc-gfxopt
-mnew-mnemonics -mno-new-mnemonics
-mfull-toc -mminimal-toc -mno-fop-in-toc -mno-sum-in-toc
-msoft-float -mhard-float -mmultiple -mno-multiple
-mstring -mno-string -mbit-align -mno-bit-align
-mstrict-align -mno-strict-align -mrelocatable -mno-relocatable
-mtoc -mno-toc -mtraceback -mno-traceback
-mlittle -mlittle-endian -mbig -mbig-endian
-mcall-aix -mcall-sysv -mprototype
)
;;
romp)
args=(
-mcall-lib-mul -mfp-arg-in-fpregs -mfp-arg-in-gregs
-mfull-fp-blocks -mhc-struct-return -min-line-mul
-mminimum-fp-blocks -mnohc-struct-return
)
;;
mips*)
args=(
'-mcpu=:CPU type:(r2000 r3000 r4000 r4400 r4600 r6000)'
-mabicalls -membedded-data
-membedded-pic -mfp32 -mfp64 -mgas -mgp32 -mgp64
-mgpopt -mhalf-pic -mhard-float -mint64 -mips1
-mips2 -mips3 -mlong64 -mlong-calls -mmemcpy
-mmips-as -mmips-tfile -mno-abicalls
-mno-embedded-data -mno-embedded-pic
-mno-gpopt -mno-long-calls
-mno-memcpy -mno-mips-tfile -mno-rnames -mno-stats
-mrnames -msoft-float
-m4650 -msingle-float -mmad
-mstats -EL -EB -nocpp
'-G:maximum size for small section objects:'
)
;;
i[3456]86|x86_64)
march="native i386 i486 i586 pentium pentium-mmx pentiumpro i686 pentium2 pentium3 pentium3m pentium-m pentium4 pentium4m prescott nocona core2 corei7 corei7-avx core-avx-i core-avx2 atom k6 k6-2 k6-3 athlon athlon-tbird athlon-4 athlon-xp athlon-mp k8 opteron athlon64 athlon-fx k8-sse3 opteron-sse3 athlon64-sse3 amdfam10 barcelona bdver1 bdver2 bdver3 btver1 btver2 winchip-c6 winchip2 c3 c3-2 geode"
args=(
'-mtune=-[tune code for CPU type]:CPU type:('"$march"')'
#'-mtune-ctrl=-[Fine grain control of tune features]:feature-list:' #for dev use only
'-march=-[generate instructions for CPU type]:CPU type:('"generic $march"')'
-mthreads
'-mreg-alloc=:default register allocation order:'
# arguments with options
'-mabi=-[Generate code that conforms to the given ABI]:abi:(ms sysv)'
'-maddress-mode=-[Use given address mode]:address mode:(short long)'
'-malign-data=-[Use the given data alignment]:type:(compat abi cacheline)'
'-malign-functions=-[Function starts are aligned to this power of 2]: **2 base for function alignment: '
'-malign-jumps=-[Jump targets are aligned to this power of 2]: **2 base for jump goal alignment: '
'-malign-loops=-[Loop code aligned to this power of 2]: **2 base for loop alignment: '
'-masm=-[Use given assembler dialect]:asm dialect:(att intel)'
'-mbranch-cost=-[Branches are this expensive (1-5, arbitrary units)]:branch cost (1-5): '
'-mcmodel=-[Use given x86-64 code model]:memory model:(32 small kernel medium large)'
'-mfpmath=-[Generate floating point mathematics using given instruction set]:FPU type:(387 sse sse,387 both)'
'-mfunction-return=-[Convert function return to call and return thunk]:choice:(keep thunk thunk-inline thunk-extern)'
'-mincoming-stack-boundary=-[Assume incoming stack aligned to this power of 2]:assumed size of boundary: '
'-mindirect-branch=-[Convert indirect call and jump to call and return thunks]:choice:(keep thunk thunk-inline thunk-extern)'
'-mlarge-data-threshold=-[Data greater than given threshold will go into .ldata section in x86-64 medium model]:threshold: '
'-mmem'{set,cpy}'-strategy=-[Specify memcpy expansion strategy when expected size is known]:strategy:'
'-mpreferred-stack-boundary=-[Attempt to keep stack aligned to this power of 2]:size of boundary: '
'-mrecip=-[Control generation of reciprocal estimates]::instruction:(all none div divf divd rsqrt rsqrtf rsqrtd)' #TODO comma separated and can have !
'-mregparm=-[Number of registers used to pass integer arguments]:number of integer argument registers: '
'-mstack-protector-guard=-[Use given stack-protector guard]:guard:(global tls)'
'-mstringop-strategy=-[Chose strategy to generate stringop using]:stringop strategy:(byte_loop libcall loop rep_4byte rep_8byte rep_byte unrolled_loop)'
'-mtls-dialect=-[Use given thread-local storage dialect]:TLS dialect:(gnu gnu2)'
'-mveclibabi=-[Vector library ABI to use]:vector library ABI:(acml svml)'
# arguments without options
'-m3dnow[Support 3DNow! built-in functions]'
'-m3dnowa[Support Athlon 3Dnow! built-in functions]'
'-m8bit-idiv[Expand 32bit/64bit integer divide into 8bit unsigned integer divide with run-time check]'
'-m16[Generate 16bit i386 code]'
'-m32[Generate 32bit i386 code]'
'-m64[Generate 64bit x86-64 code]'
'-m96bit-long-double[sizeof(long double) is 12]'
'-m128bit-long-double[sizeof(long double) is 16]'
'-m80387[Use hardware fp]'
'-mabm[Support code generation of Advanced Bit Manipulation (ABM) instructions]'
'-maccumulate-outgoing-args[Reserve space for outgoing arguments in the function prologue]'
'-madx[Support flag-preserving add-carry instructions]'
'-maes[Support AES built-in functions and code generation]'
'-malign-double[Align some doubles on dword boundary]'
'-malign-stringops[Align destination of the string operations]'
'-mandroid[Generate code for the Android platform]'
'-mavx2[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX and AVX2 built-in functions and code generation]'
'-mavx256-split-unaligned-load[Split 32-byte AVX unaligned load]'
'-mavx256-split-unaligned-store[Split 32-byte AVX unaligned store]'
'-mavx512bw[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2 and AVX512F and AVX512BW built- in functions and code generation]'
'-mavx512cd[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2 and AVX512F and AVX512CD built- in functions and code generation]'
'-mavx512dq[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2 and AVX512F and AVX512DQ built- in functions and code generation]'
'-mavx512er[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2 and AVX512F and AVX512ER built- in functions and code generation]'
'-mavx512f[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2 and AVX512F built-in functions and code generation]'
'-mavx512ifma[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2 and AVX512F and AVX512IFMA built-in functions and code generation]'
'-mavx512pf[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2 and AVX512F and AVX512PF built- in functions and code generation]'
'-mavx512vbmi[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2 and AVX512F and AVX512VBMI built-in functions and code generation]'
'-mavx512vl[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2 and AVX512F and AVX512VL built- in functions and code generation]'
'-mavx512vpopcntdq[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, AVX512F and AVX512VPOPCNTDQ built-in functions and code generation]'
'-mavx5124fmaps[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, AVX512F and AVX5124FMAPS built- in functions and code generation]'
'-mavx5124vnniw[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, AVX512F and AVX5124VNNIW built- in functions and code generation]'
'-mavx[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2 and AVX built-in functions and code generation]'
'-mbionic[Use Bionic C library]'
'-mbmi2[Support BMI2 built-in functions and code generation]'
'-mbmi[Support BMI built-in functions and code generation]'
'-mcld[Generate cld instruction in the function prologue]'
'-mclflushopt[Support CLFLUSHOPT instructions]'
'-mclwb[Support CLWB instruction]'
'-mclzero[Support CLZERO built-in functions and code generation]'
'-mcrc32[Support code generation of crc32 instruction]'
'-mcx16[Support code generation of cmpxchg16b instruction]'
'-mdispatch-scheduler[Do dispatch scheduling if processor is bdver1, bdver2, bdver3, bdver4 or znver1 and Haifa scheduling is selected]'
'-mf16c[Support F16C built-in functions and code generation]'
'-mfancy-math-387[Generate sin, cos, sqrt for FPU]'
'-mfentry[Emit profiling counter call at function entry before prologue]'
'-mfma4[Support FMA4 built-in functions and code generation]'
'-mfma[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX and FMA built-in functions and code generation]'
'-mforce-drap[Always use Dynamic Realigned Argument Pointer (DRAP) to realign stack]'
'-mfp-ret-in-387[Return values of functions in FPU registers]'
'-mfsgsbase[Support FSGSBASE built-in functions and code generation]'
'-mfxsr[Support FXSAVE and FXRSTOR instructions]'
'-mgeneral-regs-only[Generate code which uses only the general registers]'
'-mglibc[Use GNU C library]'
'-mhard-float[Use hardware fp]'
'-mhle[Support Hardware Lock Elision prefixes]'
'-miamcu[Generate code that conforms to Intel MCU psABI]'
'-mieee-fp[Use IEEE math for fp comparisons]'
'-mindirect-branch-register[Force indirect call and jump via register]'
'-minline-all-stringops[Inline all known string operations]'
'-minline-stringops-dynamically[Inline memset/memcpy string operations, but perform inline version only for small blocks]'
'-mlong-double-64[Use 64-bit long double]'
'-mlong-double-80[Use 80-bit long double]'
'-mlong-double-128[Use 128-bit long double]'
'-mlwp[Support LWP built-in functions and code generation]'
'-mlzcnt[Support LZCNT built-in function and code generation]'
'-mmitigate-rop[Attempt to avoid generating instruction sequences containing ret bytes]'
'-mmmx[Support MMX built-in functions]'
'-mmovbe[Support code generation of movbe instruction]'
'-mmpx[Support MPX code generation]'
'-mms-bitfields[Use native (MS) bitfield layout]'
'-mmusl[Use musl C library]'
'-mmwaitx[Support MWAITX and MONITORX built-in functions and code generation]'
'-mno-default[Clear all tune features]'
'-mno-sse4[Do not support SSE4.1 and SSE4.2 built-in functions and code generation]'
'-mnop-mcount[Generate mcount/__fentry__ calls as nops. To activate they need to be patched in]'
'-momit-leaf-frame-pointer[Omit the frame pointer in leaf functions]'
'-mpc32[Set 80387 floating-point precision to 32-bit]'
'-mpc64[Set 80387 floating-point precision to 64-bit]'
'-mpc80[Set 80387 floating-point precision to 80-bit]'
'-mpclmul[Support PCLMUL built-in functions and code generation]'
'-mpku[Support PKU built-in functions and code generation]'
'-mpopcnt[Support code generation of popcnt instruction]'
'-mprefer-avx128[Use 128-bit AVX instructions instead of 256-bit AVX instructions in the auto-vectorizer]'
'-mprefetchwt1[Support PREFETCHWT1 built-in functions and code generation]'
'-mprfchw[Support PREFETCHW instruction]'
'-mpush-args[Use push instructions to save outgoing arguments]'
'-mrdpid[Support RDPID built-in functions and code generation]'
'-mrdrnd[Support RDRND built-in functions and code generation]'
'-mrdseed[Support RDSEED instruction]'
'-mrecip[Generate reciprocals instead of divss and sqrtss]'
'-mrecord-mcount[Generate __mcount_loc section with all mcount or __fentry__ calls]'
'-mred-zone[Use red-zone in the x86-64 code]'
'-mrtd[Alternate calling convention]'
'-mrtm[Support RTM built-in functions and code generation]'
'-msahf[Support code generation of sahf instruction in 64bit x86-64 code]'
'-msgx[Support SGX built-in functions and code generation]'
'-msha[Support SHA1 and SHA256 built-in functions and code generation]'
'-mskip-rax-setup[Skip setting up RAX register when passing variable arguments]'
'-msoft-float[Do not use hardware fp]'
'-msse2[Support MMX, SSE and SSE2 built-in functions and code generation]'
'-msse2avx[Encode SSE instructions with VEX prefix]'
'-msse3[Support MMX, SSE, SSE2 and SSE3 built-in functions and code generation]'
'-msse4.1[Support MMX, SSE, SSE2, SSE3, SSSE3 and SSE4.1 built-in functions and code generation]'
'-msse4.2[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1 and SSE4.2 built-in functions and code generation]'
'-msse4[Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1 and SSE4.2 built-in functions and code generation]'
'-msse4a[Support MMX, SSE, SSE2, SSE3 and SSE4A built-in functions and code generation]'
'-msse[Support MMX and SSE built-in functions and code generation]'
'-msseregparm[Use SSE register passing conventions for SF and DF mode]'
'-mssse3[Support MMX, SSE, SSE2, SSE3 and SSSE3 built-in functions and code generation]'
'-mstack-arg-probe[Enable stack probing]'
'-mstackrealign[Realign stack in prologue]'
'-mstv[Disable Scalar to Vector optimization pass transforming 64-bit integer computations into a vector ones]'
'-mtbm[Support TBM built-in functions and code generation]'
'-mtls-direct-seg-refs[Use direct references against %gs when accessing tls data]'
'-muclibc[Use uClibc C library]'
'-mvect8-ret-in-mem[Return 8-byte vectors in memory]'
'-mvzeroupper[Generate vzeroupper instruction before a transfer of control flow out of the function]'
'-mx32[Generate 32bit x86-64 code]'
'-mxop[Support XOP built-in functions and code generation]'
'-mxsave[Support XSAVE and XRSTOR instructions]'
'-mxsavec[Support XSAVEC instructions]'
'-mxsaveopt[Support XSAVEOPT instruction]'
'-mxsaves[Support XSAVES and XRSTORS instructions]'
)
;;
hppa*)
args=(
-mdisable-fpregs -mdisable-indexing -mfast-indirect-calls
-mgas -mjump-in-delay -mlong-millicode-calls -mno-disable-fpregs
-mno-disable-indexing -mno-fast-indirect-calls -mno-gas
-mno-jump-in-delay -mno-millicode-long-calls
-mno-portable-runtime -mno-soft-float -msoft-float
-mpa-risc-1-0 -mpa-risc-1-1 -mportable-runtime
'-mschedule=:code scheduling constraints:(700 7100 7100LC)'
)
;;
i960)
args=(
-m{ka,kb,mc,ca,cf,sa,sb}
-masm-compat -mclean-linkage
-mcode-align -mcomplex-addr -mleaf-procedures
-mic-compat -mic2.0-compat -mic3.0-compat
-mintel-asm -mno-clean-linkage -mno-code-align
-mno-complex-addr -mno-leaf-procedures
-mno-old-align -mno-strict-align -mno-tail-call
-mnumerics -mold-align -msoft-float -mstrict-align
-mtail-call
)
;;
sparc)
args=(
-mapp-regs -mno-app-regs
-mfpu -mhard-float
-mno-fpu -msoft-float
-mhard-quad-float
-msoft-quad-float
-mno-unaligned-doubles
-munaligned-doubles
-mfaster-structs -mno-faster-structs
-mimpure-text
'-mcpu=:CPU type:(v7 cypress v8 supersparc sparclite f930 f934 hypersparc sparclite86x sparclet tsc701 v9 ultrasparc ultrasparc3)'
'-mtune=:CPU type:(cypress supersparc hypersparc f930 f934 sparclite86x tsc701 ultrasparc ultrasparc3)'
-mv8plus -mno-v8plus
-mvis -mno-vis
-mlittle-endian
-m32 -m64
'-mcmodel=:memory model:(medlow medmid medany embmedany)'
-mstack-bias -mno-stack-bias
-mv8
-mcypress -mepilogue -mflat
-mno-flat
-mno-epilogue
-msparclite -msupersparc
-mmedlow -mmedany
-mint32 -mint64 -mlong32 -mlong64
)
;;
alpha*)
args=(
-mfp-regs -mno-fp-regs -mno-soft-float
-msoft-float
)
;;
clipper)
args=(
-mc300 -mc400
)
;;
h8/300)
args=(
-mrelax -mh
)
;;
esac
if [[ "$service" = clang* ]]; then
args+=(
"-flto=-[generate output files suitable for link time optimization]::style:(full thin)"
-emit-llvm
"-Qunused-arguments[don't emit warning for unused driver arguments]"
--analyze
-fshow-column -fshow-source-location -fcaret-diagnostics -fdiagnostics-fixit-info
-fdiagnostics-parseable-fixits -fdiagnostics-print-source-range-info
-fprint-source-range-info -fdiagnostics-show-option -fmessage-length
"-nostdinc[Do not search standard system directories or compiler builtin directories for include files]"
"-nostdlibinc[Do not search standard system directories for include files]"
"-nobuiltininc[Do not search builtin directory for include files]"
"--help[Display this information]"
)
else
args+=(
'-flto=-[Enable link-time optimization]::jobs:'
'*--help=-[Display this information]:class:->help'
)
fi
local -a sanitizers
sanitizers=(
address alignment bool bounds enum float-cast-overflow float-divide-by-zero
integer-divide-by-zero memory nonnull-attribute null nullability-arg nullability-assign
nullability-return object-size pointer-overflow return unsigned-integer-overflow
returns-nonnull-attribute shift signed-integer-overflow unreachable vla-bound vptr
)
local -a languages
languages=(
c c-header cpp-output
c++ c++-header c++-cpp-output
objective-c objective-c-header objective-c-cpp-output
objective-c++ objective-c++-header objective-c++-cpp-output
assembler assembler-with-cpp
ada
f77 f77-cpp-input f95 f95-cpp-input
go
java
brig
none
)
# generic options (from --help)
args+=(
'-###[print commands to run this compilation]'
'-o:output file:_files -g "^*.(c|h|cc|C|cxx)(-.)"'
'-x[Specify the language of the following input files]:input file language:('"$languages"')'
'+e-:virtual function definitions in classes:((0\:only\ interface 1\:generate\ code))'
'-d-:dump:->dump'
'-g-::debugging information type or level:(0 1 2 3 gdb coff stabs stabs+ dwarf dwarf+ dwarf-2 dwarf-3 dwarf-4 xcoff xcoff+)'
'-O-::optimization level:((0 1 2 3 g\:optimize\ for\ debugging\ experience s\:optimize\ for\ space fast\:optimize\ for\ speed\ disregarding\ exact\ standards\ compliance))'
'*-M-::output dependencies:((M\:only\ user\ header\ files MD\:output\ to\ file G\:treat\ missing\ header\ files\ as\ generated))'
'*-A-:define assertion:'
'*-D-:define macro:'
'*-U-:undefine macro:'
'-C[do not discard comments during preprocess]'
'-CC[do not discard comments, including macro expansion]'
'-P[inhibit generation of linkemakers during preprocess]'
'-H[print name of each header file used]'
'-E[Preprocess only; do not compile, assemble or link]'
'-S[Compile only; do not assemble or link]'
'-c[Compile and assemble, but do not link]'
'*-Wp,-:preprocessor option:'
'*-Wl,-:linker option:'
'*-Xpreprocessor:preprocessor option:'
'*-Xlinker:linker option:'
'*-Xassembler:assembler option:'
'*-u:pretend symbol to be undefined:'
'*-Wa,-:assembler option:'
'*-l:library:->library'
'*-L-:library search path:_files -/'
'*-I-:header file search path:_files -/'
'-B-[Add <prefix> to the compiler'\''s search paths]:executable prefix:_files -/'
'-b:target machine:'
'-V:specify compiler version:'
'--version[Display compiler version information]'
'-print-file-name=-[Display the full path to library <library>]:library:->library'
'-print-prog-name=-[Display the full path to compiler component <program>]:program:'
'*-specs=-[Override built-in specs with the contents of <file>]:file:_files'
'-std=-[assume that the input sources are for specified standard]:standard:(c90 c89 iso9899\:1990 iso9899\:199409 c99 iso9899\:1999 c11 iso9899\:2011 gnu90 gnu89 gnu99 gnu11 c++98 c++03 gnu++98 gnu++03 c++11 gnu++11 c++1y gnu++1y c++14 gnu++14 c++1z gnu++1z c++17 iso9899\:2017 gnu++17 c++2a gnu++2a)'
'*-include:include file:_files -g \*.h\(-.\)'
'*-imacros:macro input file:_files -g \*.h\(-.\)'
'*-idirafter:second include path directory:_files -/'
'*-iprefix:prefix:_files'
'*-iwithprefix:second include path directory:_files -/'
'*-iwithprefixbefore:main include path directory:_files -/'
'*-isystem:second include path directory (system):_files -/'
'--sysroot=-[Use <directory> as the root directory for headers and libraries]:directory:_files -/'
'-pass-exit-codes[Exit with highest error code from a phase]'
'--target-help[Display target specific command line options]'
'-dumpspecs[Display all of the built in spec strings]'
'-dumpversion[Display the version of the compiler]'
'-dumpmachine[Display the compiler'\''s target processor]'
'-print-search-dirs[Display the directories in the compiler'\''s search path]'
'-print-libgcc-file-name[Display the name of the compiler'\''s companion library]'
'-print-multiarch[Display the target'\''s normalized GNU triplet, used as a component in the library path]'
'-print-multi-directory[Display the root directory for versions of libgcc]'
'-print-multi-lib[Display the mapping between command line options and multiple library search directories]'
'-print-multi-os-directory[Display the relative path to OS libraries]'
'-print-sysroot[Display the target libraries directory]'
'-print-sysroot-headers-suffix[Display the sysroot suffix used to find headers]'
'-save-stats=-[Save code generation statistics]:location:(cwd obj)'
'-save-temps[Do not delete intermediate files]'
'-no-canonical-prefixes[Do not canonicalize paths when building relative prefixes to other gcc components]'
'-pipe[Use pipes rather than intermediate files]'
'-pie[Create a position independent executable]'
'-shared[Create a shared library]'
'-time[Time the execution of each subprocess]'
)
# warnings (from --help=warnings), note some -W options are listed by --help=common instead
args+=(
# --help=warnings,^joined
'-W[This switch is deprecated; use -Wextra instead]'
'-Wabi-tag[Warn if a subobject has an abi_tag attribute that the complete object type does not have]'
'-Wabi[Warn about things that will change when compiling with an ABI-compliant compiler]'
'-Waddress[Warn about suspicious uses of memory addresses]'
'-Waggregate-return[Warn about returning structures, unions or arrays]'
'-Waggressive-loop-optimizations[Warn if a loop with constant number of iterations triggers undefined behavior]'
'-Waliasing[Warn about possible aliasing of dummy arguments]'
'-Walign-commons[Warn about alignment of COMMON blocks]'
'-Wall[Enable most warning messages]'
'-Walloc-zero[Warn for calls to allocation functions that specify zero bytes]'
'-Walloca[Warn on any use of alloca]'
'-Wampersand[Warn about missing ampersand in continued character constants]'
'-Wargument-mismatch[Warn about type and rank mismatches between arguments and parameters]'
'-Warray-bounds[Warn if an array is accessed out of bounds]'
'-Warray-temporaries[Warn about creation of array temporaries]'
'-Wassign-intercept[Warn whenever an Objective-C assignment is being intercepted by the garbage collector]'
'-Wattributes[Warn about inappropriate attribute usage]'
'-Wbad-function-cast[Warn about casting functions to incompatible types]'
'-Wbool-compare[Warn about boolean expression compared with an integer value different from true/false]'
'-Wbool-operation[Warn about certain operations on boolean expressions]'
'-Wbuiltin-declaration-mismatch[Warn when a built-in function is declared with the wrong signature]'
'-Wbuiltin-macro-redefined[Warn when a built-in preprocessor macro is undefined or redefined]'
'-Wc++-compat[Warn about C constructs that are not in the common subset of C and C++]'
'-Wc++0x-compat[Deprecated in favor of -Wc++11-compat]'
'-Wc++1z-compat[Warn about C++ constructs whose meaning differs between ISO C++ 2014 and (forthcoming) ISO C++ 201z(7?)]'
'-Wc++11-compat[Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 2011]'
'-Wc++14-compat[Warn about C++ constructs whose meaning differs between ISO C++ 2011 and ISO C++ 2014]'
'-Wc-binding-type[Warn if the type of a variable might be not interoperable with C]'
'-Wc90-c99-compat[Warn about features not present in ISO C90, but present in ISO C99]'
'-Wc99-c11-compat[Warn about features not present in ISO C99, but present in ISO C11]'
'-Wcast-align[Warn about pointer casts which increase alignment]'
'-Wcast-qual[Warn about casts which discard qualifiers]'
'-Wchar-subscripts[Warn about subscripts whose type is "char"]'
'-Wcharacter-truncation[Warn about truncated character expressions]'
'-Wchkp[Warn about memory access errors found by Pointer Bounds Checker]'
'-Wclobbered[Warn about variables that might be changed by "longjmp" or "vfork"]'
'-Wcomment[Warn about possibly nested block comments, and C++ comments spanning more than one physical line]'
'-Wcomments[Synonym for -Wcomment]'
'-Wcompare-reals[Warn about equality comparisons involving REAL or COMPLEX expressions]'
'-Wconditionally-supported[Warn for conditionally-supported constructs]'
'-Wconversion-extra[Warn about most implicit conversions]'
'-Wconversion-null[Warn for converting NULL from/to a non-pointer type]'
'-Wconversion[Warn for implicit type conversions that may change a value]'
'-Wcoverage-mismatch[Warn in case profiles in -fprofile-use do not match]'
'-Wcpp[Warn when a #warning directive is encountered]'
'-Wctor-dtor-privacy[Warn when all constructors and destructors are private]'
'-Wdangling-else[Warn about dangling else]'
'-Wdate-time[Warn about __TIME__, __DATE__ and __TIMESTAMP__ usage]'
'-Wdeclaration-after-statement[Warn when a declaration is found after a statement]'
'-Wdelete-incomplete[Warn when deleting a pointer to incomplete type]'
'-Wdelete-non-virtual-dtor[Warn about deleting polymorphic objects with non- virtual destructors]'
'-Wdeprecated-declarations[Warn about uses of __attribute__((deprecated)) declarations]'
'-Wdeprecated[Warn if a deprecated compiler feature, class, method, or field is used]'
'-Wdesignated-init[Warn about positional initialization of structs requiring designated initializers]'
'-Wdisabled-optimization[Warn when an optimization pass is disabled]'
'-Wdiscarded-array-qualifiers[Warn if qualifiers on arrays which are pointer targets are discarded]'
'-Wdiscarded-qualifiers[Warn if type qualifiers on pointers are discarded]'
'-Wdiv-by-zero[Warn about compile-time integer division by zero]'
'-Wdouble-promotion[Warn about implicit conversions from "float" to "double"]'
'-Weffc\+\+[Warn about violations of Effective C++ style rules]'
'-Wduplicate-decl-specifier[Warn when a declaration has duplicate const, volatile, restrict or _Atomic specifier]'
'-Wduplicated-branches[Warn about duplicated branches in if-else statements]'
'-Wduplicated-cond[Warn about duplicated conditions in an if-else-if chain]'
'-Weffc++[Warn about violations of Effective C++ style rules]'
'-Wempty-body[Warn about an empty body in an if or else statement]'
'-Wendif-labels[Warn about stray tokens after #else and #endif]'
'-Wenum-compare[Warn about comparison of different enum types]'
#this still exists but makes completing -Werror= less convenient
#'-Werror-implicit-function-declaration[This switch is deprecated; use -Werror=implicit-fun
'-Wexpansion-to-defined[Warn if "defined" is used outside #if]'
'-Wextra[Print extra (possibly unwanted) warnings]'
'-Wfloat-conversion[Warn for implicit type conversions that cause loss of floating point precision]'
'-Wfloat-equal[Warn if testing floating point numbers for equality]'
'-Wformat-contains-nul[Warn about format strings that contain NUL bytes]'
'-Wformat-extra-args[Warn if passing too many arguments to a function for its format string]'
'-Wformat-nonliteral[Warn about format strings that are not literals]'
'-Wformat-overflow[Warn about function calls with format strings that write past the end of the destination region]'
'-Wformat-security[Warn about possible security problems with format functions]'
'-Wformat-signedness[Warn about sign differences with format functions]'
'-Wformat-truncation[Warn about calls to snprintf and similar functions that truncate output. Same as -Wformat- truncation=1. Same as -Wformat-truncation=]'
'-Wformat-y2k[Warn about strftime formats yielding 2-digit years]'
'-Wformat-zero-length[Warn about zero-length formats]'
'-Wformat[Warn about printf/scanf/strftime/strfmon format string anomalies]'
'-Wframe-address[Warn when __builtin_frame_address or __builtin_return_address is used unsafely]'
'-Wfree-nonheap-object[Warn when attempting to free a non-heap object]'
'-Wfunction-elimination[Warn about function call elimination]'
'-Whsa[Warn when a function cannot be expanded to HSAIL]'
'-Wignored-attributes[Warn whenever attributes are ignored]'
'-Wignored-qualifiers[Warn whenever type qualifiers are ignored]'
'-Wimplicit-function-declaration[Warn about implicit function declarations]'
'-Wimplicit-int[Warn when a declaration does not specify a type]'
'-Wimplicit-interface[Warn about calls with implicit interface]'
'-Wimplicit-procedure[Warn about called procedures not explicitly declared]'
'-Wimplicit[Warn about implicit declarations]'
'-Wincompatible-pointer-types[Warn when there is a conversion between pointers that have incompatible types]'
'-Winherited-variadic-ctor[Warn about C++11 inheriting constructors when the base has a variadic constructor]'
'-Winit-self[Warn about variables which are initialized to themselves]'
'-Winline[Warn when an inlined function cannot be inlined]'
'-Wint-conversion[Warn about incompatible integer to pointer and pointer to integer conversions]'
'-Wint-in-bool-context[Warn for suspicious integer expressions in boolean context]'
'-Wint-to-pointer-cast[Warn when there is a cast to a pointer from an integer of a different size]'
'-Winteger-division[Warn about constant integer divisions with truncated results]'
'-Wintrinsic-shadow[Warn if a user-procedure has the same name as an intrinsic]'
'-Wintrinsics-std[Warn on intrinsics not part of the selected standard]'
'-Winvalid-memory-model[Warn when an atomic memory model parameter is known to be outside the valid range]'
'-Winvalid-offsetof[Warn about invalid uses of the "offsetof" macro]'
'-Winvalid-pch[Warn about PCH files that are found but not used]'
'-Wjump-misses-init[Warn when a jump misses a variable initialization]'
'-Wline-truncation[Warn about truncated source lines]'
'-Wliteral-suffix[Warn when a string or character literal is followed by a ud-suffix which does not begin with an underscore]'
'-Wlogical-not-parentheses[Warn when logical not is used on the left hand side operand of a comparison]'
'-Wlogical-op[Warn when a logical operator is suspiciously always evaluating to true or false]'
'-Wlong-long[Do not warn about using "long long" when -pedantic]'
'-Wlto-type-mismatch[During link time optimization warn about mismatched types of global declarations]'
'-Wmain[Warn about suspicious declarations of "main"]'
'-Wmaybe-uninitialized[Warn about maybe uninitialized automatic variables]'
'-Wmemset-elt-size[Warn about suspicious calls to memset where the third argument contains the number of elements not multiplied by the element size]'
'-Wmemset-transposed-args[Warn about suspicious calls to memset where the third argument is constant literal zero and the second is not]'
'-Wmisleading-indentation[Warn when the indentation of the code does not reflect the block structure]'
'-Wmissing-braces[Warn about possibly missing braces around initializers]'
'-Wmissing-declarations[Warn about global functions without previous declarations]'
'-Wmissing-field-initializers[Warn about missing fields in struct initializers]'
'-Wmissing-include-dirs[Warn about user-specified include directories that do not exist]'
'-Wmissing-parameter-type[Warn about function parameters declared without a type specifier in K&R-style functions]'
'-Wmissing-prototypes[Warn about global functions without prototypes]'
'-Wmudflap[Warn about constructs not instrumented by -fmudflap]'
'-Wmultichar[Warn about use of multi-character character constants]'
'-Wmultiple-inheritance[Warn on direct multiple inheritance]'
'-Wnamespaces[Warn on namespace definition]'
'-Wnarrowing[Warn about narrowing conversions within { } that are ill-formed in C++11]'
'-Wnested-externs[Warn about "extern" declarations not at file scope]'
'-Wnoexcept-type[Warn if C++1z noexcept function type will change the mangled name of a symbol]'
'-Wnoexcept[Warn when a noexcept expression evaluates to false even though the expression can''t actually throw]'
'-Wnon-template-friend[Warn when non-templatized friend functions are declared within a template]'
'-Wnon-virtual-dtor[Warn about non-virtual destructors]'
'-Wnonnull-compare[Warn if comparing pointer parameter with nonnull attribute with NULL]'
'-Wnonnull[Warn about NULL being passed to argument slots marked as requiring non-NULL]'
'-Wnull-dereference[Warn if dereferencing a NULL pointer may lead to erroneous or undefined behavior]'
'-Wodr[Warn about some C++ One Definition Rule violations during link time optimization]'
'-Wold-style-cast[Warn if a C-style cast is used in a program]'
'-Wold-style-declaration[Warn for obsolescent usage in a declaration]'
'-Wold-style-definition[Warn if an old-style parameter definition is used]'
'-Wopenmp-simd[Warn if a simd directive is overridden by the vectorizer cost model]'
'-Woverflow[Warn about overflow in arithmetic expressions]'
'-Woverlength-strings[Warn if a string is longer than the maximum portable length specified by the standard]'
'-Woverloaded-virtual[Warn about overloaded virtual function names]'
'-Woverride-init-side-effects[Warn about overriding initializers with side effects]'
'-Woverride-init[Warn about overriding initializers without side effects]'
'-Wpacked-bitfield-compat[Warn about packed bit-fields whose offset changed in GCC 4.4]'
'-Wpacked[Warn when the packed attribute has no effect on struct layout]'
'-Wpadded[Warn when padding is required to align structure members]'
'-Wparentheses[Warn about possibly missing parentheses]'
'-Wpedantic[Issue warnings needed for strict compliance to the standard]'
'-Wplacement-new[Warn for placement new expressions with undefined behavior. Same as -Wplacement-new=]'
'-Wpmf-conversions[Warn when converting the type of pointers to member functions]'
'-Wpointer-arith[Warn about function pointer arithmetic]'
'-Wpointer-compare[Warn when a pointer is compared with a zero character constant]'
'-Wpointer-sign[Warn when a pointer differs in signedness in an assignment]'
'-Wpointer-to-int-cast[Warn when a pointer is cast to an integer of a different size]'
'-Wpoison-system-directories[Warn for -I and -L options using system directories if cross compiling]'
'-Wpragmas[Warn about misuses of pragmas]'
'-Wproperty-assign-default[Warn if a property for an Objective-C object has no assign semantics specified]'
'-Wprotocol[Warn if inherited methods are unimplemented]'
'-Wreal-q-constant[Warn about real-literal-constants with '\'q\'' exponent-letter]'
'-Wrealloc-lhs-all[Warn when a left-hand-side variable is reallocated]'
'-Wrealloc-lhs[Warn when a left-hand-side array variable is reallocated]'
'-Wredundant-decls[Warn about multiple declarations of the same object]'
'-Wregister[Warn about uses of register storage specifier]'
'-Wreorder[Warn when the compiler reorders code]'
'-Wrestrict[Warn when an argument passed to a restrict- qualified parameter aliases with another argument]'
'-Wreturn-local-addr[Warn about returning a pointer/reference to a local or temporary variable]'
'-Wreturn-type[Warn whenever a function'\''s return type defaults to "int" (C), or about inconsistent return types (C++)]'
'-Wscalar-storage-order[Warn on suspicious constructs involving reverse scalar storage order]'
'-Wselector[Warn if a selector has multiple methods]'
'-Wsequence-point[Warn about possible violations of sequence point rules]'
'-Wshadow-ivar[Warn if a local declaration hides an instance variable]'
'-Wshadow[Warn when one variable shadows another. Same as -Wshadow=global]'
'-Wshift-count-negative[Warn if shift count is negative]'
'-Wshift-count-overflow[Warn if shift count >= width of type]'
'-Wshift-negative-value[Warn if left shifting a negative value]'
'-Wshift-overflow[Warn if left shift of a signed value overflows. Same as -Wshift-overflow=]'
'-Wsign-compare[Warn about signed-unsigned comparisons]'
'-Wsign-conversion[Warn for implicit type conversions between signed and unsigned integers]'
'-Wsign-promo[Warn when overload promotes from unsigned to signed]'
'-Wsized-deallocation[Warn about missing sized deallocation functions]'
'-Wsizeof-array-argument[Warn when sizeof is applied on a parameter declared as an array]'
'-Wsizeof-pointer-memaccess[Warn about suspicious length parameters to certain string functions if the argument uses sizeof]'
'-Wstack-protector[Warn when not issuing stack smashing protection for some reason]'
'-Wstrict-aliasing[Warn about code which might break strict aliasing rules]'
'-Wstrict-null-sentinel[Warn about uncasted NULL used as sentinel]'
'-Wstrict-overflow[Warn about optimizations that assume that signed overflow is undefined]'
'-Wstrict-prototypes[Warn about unprototyped function declarations]'
'-Wstrict-selector-match[Warn if type signatures of candidate methods do not match exactly]'
'-Wstringop-overflow[Warn about buffer overflow in string manipulation functions like memcpy and strcpy. Same as -Wstringop-overflow=]'
'-Wsubobject-linkage[Warn if a class type has a base or a field whose type uses the anonymous namespace or depends on a type with no linkage]'
'*-Wsuggest-attribute=-[warn about functions that might be candidates for attributes]:attribute:(pure const noreturn format)'
'-Wsuggest-final-methods[Warn about C++ virtual methods where adding final keyword would improve code quality]'
'-Wsuggest-final-types[Warn about C++ polymorphic types where adding final keyword would improve code quality]'
'-Wsuggest-override[Suggest that the override keyword be used when the declaration of a virtual function overrides another]'
'-Wsurprising[Warn about "suspicious" constructs]'
'-Wswitch-bool[Warn about switches with boolean controlling expression]'
'-Wswitch-default[Warn about enumerated switches missing a "default-" statement]'
'-Wswitch-enum[Warn about all enumerated switches missing a specific case]'
'-Wswitch-unreachable[Warn about statements between switch'\''s controlling expression and the first case]'
'-Wswitch[Warn about enumerated switches, with no default, missing a case]'
'-Wsync-nand[Warn when __sync_fetch_and_nand and __sync_nand_and_fetch built-in functions are used]'
'-Wsynth[Deprecated. This switch has no effect]'
'-Wsystem-headers[Do not suppress warnings from system headers]'
'-Wtabs[Permit nonconforming uses of the tab character]'
'-Wtarget-lifetime[Warn if the pointer in a pointer assignment might outlive its target]'
'-Wtautological-compare[Warn if a comparison always evaluates to true or false]'
'-Wtemplates[Warn on primary template declaration]'
'-Wterminate[Warn if a throw expression will always result in a call to terminate()]'
'-Wtraditional-conversion[Warn of prototypes causing type conversions different from what would happen in the absence of prototype]'
'-Wtraditional[Warn about features not present in traditional C]'
'-Wtrampolines[Warn whenever a trampoline is generated]'
'-Wtrigraphs[Warn if trigraphs are encountered that might affect the meaning of the program]'
'-Wtype-limits[Warn if a comparison is always true or always false due to the limited range of the data type]'
'-Wundeclared-selector[Warn about @selector()s without previously declared methods]'
'-Wundef[Warn if an undefined macro is used in an #if directive]'
'-Wundefined-do-loop[Warn about an invalid DO loop]'
'-Wunderflow[Warn about underflow of numerical constant expressions]'
'-Wuninitialized[Warn about uninitialized automatic variables]'
'-Wunknown-pragmas[Warn about unrecognized pragmas]'
'-Wunsafe-loop-optimizations[Warn if the loop cannot be optimized due to nontrivial assumptions]'
'-Wunsuffixed-float-constants[Warn about unsuffixed float constants]'
'-Wunused-but-set-parameter[Warn when a function parameter is only set, otherwise unused]'
'-Wunused-but-set-variable[Warn when a variable is only set, otherwise unused]'
'-Wunused-const-variable[Warn when a const variable is unused. Same as -Wunused-const-variable=]'
'-Wunused-dummy-argument[Warn about unused dummy arguments]'
'-Wunused-function[Warn when a function is unused]'
'-Wunused-label[Warn when a label is unused]'
'-Wunused-local-typedefs[Warn when typedefs locally defined in a function are not used]'
'-Wunused-macros[Warn about macros defined in the main file that are not used]'
'-Wunused-parameter[Warn when a function parameter is unused]'
'-Wunused-result[Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value]'
'-Wunused-value[Warn when an expression value is unused]'
'-Wunused-variable[Warn when a variable is unused]'
'-Wunused[Enable all -Wunused- warnings]'
'-Wuse-without-only[Warn about USE statements that have no ONLY qualifier]'
'-Wuseless-cast[Warn about useless casts]'
'-Wvarargs[Warn about questionable usage of the macros used to retrieve variable arguments]'
'-Wvariadic-macros[Warn about using variadic macros]'
'-Wvector-operation-performance[Warn when a vector operation is compiled outside the SIMD]'
'-Wvirtual-inheritance[Warn on direct virtual inheritance]'
'-Wvirtual-move-assign[Warn if a virtual base has a non-trivial move assignment operator]'
'-Wvla[Warn if a variable length array is used]'
'-Wvolatile-register-var[Warn when a register variable is declared volatile]'
'-Wwrite-strings[In C++, nonzero means warn about deprecated conversion from string literals to '\''char *'\''. In C, similar warning, except that the conversion is]'
'-Wzero-as-null-pointer-constant[Warn when a literal '\''0'\'' is used as null pointer]'
'-Wzerotrip[Warn about zero-trip DO loops]'
'-frequire-return-statement[Functions which return values must end with return statements]'
# --help=warnings,joined
'-Wabi=[Warn about things that change between the current -fabi-version and the specified version]:: '
'-Waligned-new=[Warn even if '\'new\'' uses a class member allocation function]:none|global|all: '
'-Walloc-size-larger-than=[Warn for calls to allocation functions that attempt to allocate objects larger than the specified number of bytes]:bytes: '
'-Walloca-larger-than=[Warn on unbounded uses of alloca, and on bounded uses of alloca whose bound can be larger than <number> bytes]:bytes: '
'-Warray-bounds=[Warn if an array is accessed out of bounds]:level:(1 2)'
'-Wformat-overflow=[Warn about function calls with format strings that write past the end of the destination region]:level:(1 2)'
'-Wformat-truncation=[Warn about calls to snprintf and similar functions that truncate output]:level:(1 2)'
'-Wformat=[Warn about printf/scanf/strftime/strfmon format string anomalies]:level:(1 2)'
'-Wframe-larger-than=[Warn if a function'\''s stack frame requires more than <number> bytes]:bytes: '
'-Wimplicit-fallthrough=[Warn when a switch case falls through]:level:(1 2 3 4 5)'
'-Wlarger-than=[Warn if an object is larger than <number> bytes]:bytes: '
'-Wnormalized=-[Warn about non-normalised Unicode strings]:normalization:((id\:allow\ some\ non-nfc\ characters\ that\ are\ valid\ identifiers nfc\:only\ allow\ NFC nfkc\:only\ allow\ NFKC none\:allow\ any\ normalization)): '
'-Wplacement-new=[Warn for placement new expressions with undefined behavior]:level:(1 2)'
'-Wshift-overflow=[Warn if left shift of a signed value overflows]:level:(1 2)'
'-Wstack-usage=[Warn if stack usage might be larger than specified amount]:bytes: '
'-Wstrict-aliasing=-[Warn about code which might break strict aliasing rules]:level of checking (higher is more accurate):(1 2 3)'
'-Wstrict-overflow=-[Warn about optimizations that assume that signed overflow is undefined]:level of checking (higher finds more cases):(1 2 3 4 5)'
'-Wstringop-overflow=[Under the control of Object Size type, warn about buffer overflow in string manipulation functions like memcpy and strcpy]:level:(1 2 3 4)'
'-Wunused-const-variable=[Warn when a const variable is unused]:level:(1 2)'
'-Wvla-larger-than=[Warn on unbounded uses of variable-length arrays, and on bounded uses of variable-length arrays whose bound can be larger than <number> bytes]:bytes: '
# -W options from --help=common,^warnings
'-Werror=-[Treat specified warning as error (or all if none specified)]::warning:->werror'
'-Wfatal-errors[Exit on the first error occurred]'
)
# clang specific warnings
if [[ "$service" = clang* ]]; then
args+=(
'-Wunreachable-code[Warn on code that will not be executed]'
'-Wunreachable-code-aggressive[Controls -Wunreachable-code, -Wunreachable-code-break, -Wunreachable-code-return]'
'-Wunreachable-code-break[Warn when break will never be executed]'
'-Wunreachable-code-loop-increment[Warn when loop will be executed only once]'
'-Wunreachable-code-return[Warn when return will not be executed]'
)
else
args+=(
'-Wunreachable-code[Does nothing. Preserved for backward compatibility]'
)
fi
# optimizers (from --help=optimizers), except for -O
args+=(
# --help=optimizers,^joined
'-faggressive-loop-optimizations[Aggressively optimize loops using language constraints]'
'-falign-functions[Align the start of functions]'
'-falign-jumps[Align labels which are only reached by jumping]'
'-falign-labels[Align all labels]'
'-falign-loops[Align the start of loops]'
'-fassociative-math[Allow optimization for floating-point arithmetic which may change the result of the operation due to rounding]'
'-fasynchronous-unwind-tables[Generate unwind tables that are exact at each instruction boundary]'
'-fauto-inc-dec[Generate auto-inc/dec instructions]'
'-fbranch-count-reg[Replace add, compare, branch with branch on count register]'
'-fbranch-probabilities[Use profiling information for branch probabilities]'
'-fbranch-target-load-optimize2[Perform branch target load optimization after prologue / epilogue threading]'
'-fbranch-target-load-optimize[Perform branch target load optimization before prologue / epilogue threading]'
'-fbtr-bb-exclusive[Restrict target load migration not to re-use registers in any basic block]'
'-fcaller-saves[Save registers around function calls]'
'-fcode-hoisting[Enable code hoisting]'
'-fcombine-stack-adjustments[Looks for opportunities to reduce stack adjustments and stack references]'
'-fcommon[Do not put uninitialized globals in the common section]'
'-fcompare-elim[Perform comparison elimination after register allocation has finished]'
'-fconserve-stack[Do not perform optimizations increasing noticeably stack usage]'
'-fcprop-registers[Perform a register copy-propagation optimization pass]'
'-fcrossjumping[Perform cross-jumping optimization]'
'-fcse-follow-jumps[When running CSE, follow jumps to their targets]'
'-fcx-fortran-rules[Complex multiplication and division follow Fortran rules]'
'-fcx-limited-range[Omit range reduction step when performing complex division]'
'-fdata-sections[Place data items into their own section]'
'-fdce[Use the RTL dead code elimination pass]'
'-fdefer-pop[Defer popping functions args from stack until later]'
'-fdelayed-branch[Attempt to fill delay slots of branch instructions]'
'-fdelete-dead-exceptions[Delete dead instructions that may throw exceptions]'
'-fdelete-null-pointer-checks[Delete useless null pointer checks]'
'-fdevirtualize-speculatively[Perform speculative devirtualization]'
'-fdevirtualize[Try to convert virtual calls to direct ones]'
'-fdse[Use the RTL dead store elimination pass]'
'-fearly-inlining[Perform early inlining]'
'-fexceptions[Enable exception handling]'
'-fexpensive-optimizations[Perform a number of minor, expensive optimizations]'
'-ffinite-math-only[Assume no NaNs or infinities are generated]'
'-ffloat-store[Don'\''t allocate floats and doubles in extended- precision registers]'
'-fforward-propagate[Perform a forward propagation pass on RTL]'
'-ffp-int-builtin-inexact[Allow built-in functions ceil, floor, round, trunc to raise "inexact" exceptions]'
'-ffunction-cse[Allow function addresses to be held in registers]'
'-fgcse-after-reload[Perform global common subexpression elimination after register allocation has finished]'
'-fgcse-las[Perform redundant load after store elimination in global common subexpression elimination]'
'-fgcse-lm[Perform enhanced load motion during global common subexpression elimination]'
'-fgcse-sm[Perform store motion after global common subexpression elimination]'
'-fgcse[Perform global common subexpression elimination]'
'-fgraphite-identity[Enable Graphite Identity transformation]'
'-fgraphite[Enable in and out of Graphite representation]'
'-fguess-branch-probability[Enable guessing of branch probabilities]'
'-fhoist-adjacent-loads[Enable hoisting adjacent loads to encourage generating conditional move instructions]'
'-fif-conversion2[Perform conversion of conditional jumps to conditional execution]'
'-fif-conversion[Perform conversion of conditional jumps to branchless equivalents]'
'-findirect-inlining[Perform indirect inlining]'
'-finline-atomics[Inline __atomic operations when a lock free instruction sequence is available]'
'-finline-functions-called-once[Integrate functions only required by their single caller]'
'-finline-functions[Integrate functions not declared "inline" into their callers when profitable]'
'-finline-small-functions[Integrate functions into their callers when code size is known not to grow]'
'-finline[Enable inlining of function declared "inline", disabling disables all inlining]'
'-fipa-bit-cp[Perform interprocedural bitwise constant propagation]'
'-fipa-cp-clone[Perform cloning to make Interprocedural constant propagation stronger]'
'-fipa-cp[Perform interprocedural constant propagation]'
'-fipa-icf-functions[Perform Identical Code Folding for functions]'
'-fipa-icf-variables[Perform Identical Code Folding for variables]'
'-fipa-icf[Perform Identical Code Folding for functions and read-only variables]'
'-fipa-profile[Perform interprocedural profile propagation]'
'-fipa-pta[Perform interprocedural points-to analysis]'
'-fipa-pure-const[Discover pure and const functions]'
'-fipa-ra[Use caller save register across calls if possible]'
'-fipa-reference[Discover readonly and non addressable static variables]'
'-fipa-sra[Perform interprocedural reduction of aggregates]'
'-fipa-vrp[Perform IPA Value Range Propagation]'
'-fira-hoist-pressure[Use IRA based register pressure calculation in RTL hoist optimizations]'
'-fira-loop-pressure[Use IRA based register pressure calculation in RTL loop optimizations]'
'-fira-share-save-slots[Share slots for saving different hard registers]'
'-fira-share-spill-slots[Share stack slots for spilled pseudo-registers]'
'-fisolate-erroneous-paths-attribute[Detect paths that trigger erroneous or undefined behavior due to a null value being used in a way forbidden by a returns_nonnull or]'
'-fisolate-erroneous-paths-dereference[Detect paths that trigger erroneous or undefined behavior due to dereferencing a null pointer. Isolate those paths from the main]'
'-fivopts[Optimize induction variables on trees]'
'-fjump-tables[Use jump tables for sufficiently large switch statements]'
'-flifetime-dse[Tell DSE that the storage for a C++ object is dead when the constructor starts and when the destructor finishes]'
'-flive-range-shrinkage[Relief of register pressure through live range shrinkage]'
'-floop-nest-optimize[Enable the loop nest optimizer]'
'-floop-parallelize-all[Mark all loops as parallel]'
'-flra-remat[Do CFG-sensitive rematerialization in LRA]'
'-fmath-errno[Set errno after built-in math functions]'
'-fmerge-all-constants[Attempt to merge identical constants and constant variables]'
'-fmerge-constants[Attempt to merge identical constants across compilation units]'
'-fmodulo-sched-allow-regmoves[Perform SMS based modulo scheduling with register moves allowed]'
'-fmodulo-sched[Perform SMS based modulo scheduling before the first scheduling pass]'
'-fmove-loop-invariants[Move loop invariant computations out of loops]'
'-fno-threadsafe-statics[Do not generate thread-safe code for initializing local statics]'
'-fnon-call-exceptions[Support synchronous non-call exceptions]'
'-fnothrow-opt[Treat a throw() exception specification as noexcept to improve code size]'
'-fomit-frame-pointer[When possible do not generate stack frames]'
'-fopt-info[Enable all optimization info dumps on stderr]'
'-foptimize-sibling-calls[Optimize sibling and tail recursive calls]'
'-foptimize-strlen[Enable string length optimizations on trees]'
'-fpack-struct[Pack structure members together without holes]'
'-fpartial-inlining[Perform partial inlining]'
'-fpeel-loops[Perform loop peeling]'
'-fpeephole2[Enable an RTL peephole pass before sched2]'
'-fpeephole[Enable machine specific peephole optimizations]'
'-fplt[Use PLT for PIC calls (-fno-plt- load the address from GOT at call site)]'
'-fpredictive-commoning[Run predictive commoning optimization]'
'-fprefetch-loop-arrays[Generate prefetch instructions, if available, for arrays in loops]'
'-fprintf-return-value[Treat known sprintf return values as constants]'
'-freciprocal-math[Same as -fassociative-math for expressions which include division]'
'-freg-struct-return[Return small aggregates in registers]'
'-frename-registers[Perform a register renaming optimization pass]'
'-freorder-blocks-and-partition[Reorder basic blocks and partition into hot and cold sections]'
'-freorder-blocks[Reorder basic blocks to improve code placement]'
'-freorder-functions[Reorder functions to improve code placement]'
'-frerun-cse-after-loop[Add a common subexpression elimination pass after loop optimizations]'
'-freschedule-modulo-scheduled-loops[Enable/Disable the traditional scheduling in loops that already passed modulo scheduling]'
'-frounding-math[Disable optimizations that assume default FP rounding behavior]'
'-frtti[Generate run time type descriptor information]'
'-fsched-critical-path-heuristic[Enable the critical path heuristic in the scheduler]'
'-fsched-dep-count-heuristic[Enable the dependent count heuristic in the scheduler]'
'-fsched-group-heuristic[Enable the group heuristic in the scheduler]'
'-fsched-interblock[Enable scheduling across basic blocks]'
'-fsched-last-insn-heuristic[Enable the last instruction heuristic in the scheduler]'
'-fsched-pressure[Enable register pressure sensitive insn scheduling]'
'-fsched-rank-heuristic[Enable the rank heuristic in the scheduler]'
'-fsched-spec-insn-heuristic[Enable the speculative instruction heuristic in the scheduler]'
'-fsched-spec-load-dangerous[Allow speculative motion of more loads]'
'-fsched-spec-load[Allow speculative motion of some loads]'
'-fsched-spec[Allow speculative motion of non-loads]'
'-fsched-stalled-insns-dep[Set dependence distance checking in premature scheduling of queued insns]'
'-fsched-stalled-insns[Allow premature scheduling of queued insns]'
'-fsched2-use-superblocks[If scheduling post reload, do superblock scheduling]'
'-fschedule-fusion[Perform a target dependent instruction fusion optimization pass]'
'-fschedule-insns2[Reschedule instructions after register allocation]'
'-fschedule-insns[Reschedule instructions before register allocation]'
'-fsection-anchors[Access data in the same section from shared anchor points]'
'-fsel-sched-pipelining-outer-loops[Perform software pipelining of outer loops during selective scheduling]'
'-fsel-sched-pipelining[Perform software pipelining of inner loops during selective scheduling]'
'-fsel-sched-reschedule-pipelined[Reschedule pipelined regions without pipelining]'
'-fselective-scheduling2[Run selective scheduling after reload]'
'-fselective-scheduling[Schedule instructions using selective scheduling algorithm]'
'-fshort-enums[Use the narrowest integer type possible for enumeration types]'
'-fshort-wchar[Force the underlying type for "wchar_t" to be "unsigned short"]'
'-fshrink-wrap-separate[Shrink-wrap parts of the prologue and epilogue separately]'
'-fshrink-wrap[Emit function prologues only before parts of the function that need it, rather than at the top of the function]'
'-fsignaling-nans[Disable optimizations observable by IEEE signaling NaNs]'
'-fsigned-zeros[Disable floating point optimizations that ignore the IEEE signedness of zero]'
'-fsingle-precision-constant[Convert floating point constants to single precision constants]'
'-fsplit-ivs-in-unroller[Split lifetimes of induction variables when loops are unrolled]'
'-fsplit-loops[Perform loop splitting]'
'-fsplit-paths[Split paths leading to loop backedges]'
'-fsplit-wide-types[Split wide types into independent registers]'
'-fssa-backprop[Enable backward propagation of use properties at the SSA level]'
'-fssa-phiopt[Optimize conditional patterns using SSA PHI nodes]'
'-fstack-protector-all[Use a stack protection method for every function]'
'-fstack-protector-explicit[Use stack protection method only for functions with the stack_protect attribute]'
'-fstack-protector-strong[Use a smart stack protection method for certain functions]'
'-fstack-protector[Use propolice as a stack protection method]'
'-fstdarg-opt[Optimize amount of stdarg registers saved to stack at start of function]'
'-fstore-merging[Merge adjacent stores]'
'-fstrict-aliasing[Assume strict aliasing rules apply]'
'-fstrict-enums[Assume that values of enumeration type are always within the minimum range of that type]'
'-fstrict-overflow[Treat signed overflow as undefined]'
'-fstrict-volatile-bitfields[Force bitfield accesses to match their type width]'
'-fthread-jumps[Perform jump threading optimizations]'
'-ftracer[Perform superblock formation via tail duplication]'
'-ftrapping-math[Assume floating-point operations can trap]'
'-ftrapv[Trap for signed overflow in addition, subtraction and multiplication]'
'-ftree-bit-ccp[Enable SSA-BIT-CCP optimization on trees]'
'-ftree-builtin-call-dce[Enable conditional dead code elimination for builtin calls]'
'-ftree-ccp[Enable SSA-CCP optimization on trees]'
'-ftree-ch[Enable loop header copying on trees]'
'-ftree-coalesce-vars[Enable SSA coalescing of user variables]'
'-ftree-copy-prop[Enable copy propagation on trees]'
'-ftree-cselim[Transform condition stores into unconditional ones]'
'-ftree-dce[Enable SSA dead code elimination optimization on trees]'
'-ftree-dominator-opts[Enable dominator optimizations]'
'-ftree-dse[Enable dead store elimination]'
'-ftree-forwprop[Enable forward propagation on trees]'
'-ftree-fre[Enable Full Redundancy Elimination (FRE) on trees]'
'-ftree-loop-distribute-patterns[Enable loop distribution for patterns transformed into a library call]'
'-ftree-loop-distribution[Enable loop distribution on trees]'
'-ftree-loop-if-convert[Convert conditional jumps in innermost loops to branchless equivalents]'
'-ftree-loop-im[Enable loop invariant motion on trees]'
'-ftree-loop-ivcanon[Create canonical induction variables in loops]'
'-ftree-loop-optimize[Enable loop optimizations on tree level]'
'-ftree-loop-vectorize[Enable loop vectorization on trees]'
'-ftree-lrs[Perform live range splitting during the SSA- >normal pass]'
'-ftree-partial-pre[In SSA-PRE optimization on trees, enable partial- partial redundancy elimination]'
'-ftree-phiprop[Enable hoisting loads from conditional pointers]'
'-ftree-pre[Enable SSA-PRE optimization on trees]'
'-ftree-pta[Perform function-local points-to analysis on trees]'
'-ftree-reassoc[Enable reassociation on tree level]'
'-ftree-scev-cprop[Enable copy propagation of scalar-evolution information]'
'-ftree-sink[Enable SSA code sinking on trees]'
'-ftree-slp-vectorize[Enable basic block vectorization (SLP) on trees]'
'-ftree-slsr[Perform straight-line strength reduction]'
'-ftree-sra[Perform scalar replacement of aggregates]'
'-ftree-switch-conversion[Perform conversions of switch initializations]'
'-ftree-tail-merge[Enable tail merging on trees]'
'-ftree-ter[Replace temporary expressions in the SSA->normal pass]'
'-ftree-vectorize[Enable vectorization on trees]'
'-ftree-vrp[Perform Value Range Propagation on trees]'
'-funconstrained-commons[Assume common declarations may be overridden with ones with a larger trailing array]'
'-funroll-all-loops[Perform loop unrolling for all loops]'
'-funroll-loops[Perform loop unrolling when iteration count is known]'
'-funsafe-loop-optimizations[Allow loop optimizations to assume that the loops behave in normal way]'
'-funsafe-math-optimizations[Allow math optimizations that may violate IEEE or ISO standards]'
'-funswitch-loops[Perform loop unswitching]'
'-funwind-tables[Just generate unwind tables for exception handling]'
'-fvar-tracking-assignments-toggle[Toggle -fvar-tracking-assignments]'
'-fvar-tracking-assignments[Perform variable tracking by annotating assignments]'
'-fvar-tracking-uninit[Perform variable tracking and also tag variables that are uninitialized]'
'-fvar-tracking[Perform variable tracking]'
'-fvariable-expansion-in-unroller[Apply variable expansion when loops are unrolled]'
'-fvpt[Use expression value profiles in optimizations]'
'-fweb[Construct webs and split unrelated uses of single variable]'
'-fwhole-program[Perform whole program optimizations]'
'-fwrapv[Assume signed arithmetic overflow wraps around]'
# --help=optimizers,joined
'-ffp-contract=[Perform floating-point expression contraction]:style:(off on fast)'
'-fira-algorithm=[Set the used IRA algorithm]:algorithm:(cb priority)'
'-fira-region=[Set regions for IRA]:region:(one all mixed)'
'-fpack-struct=[Set initial maximum structure member alignment]:alignment (power of 2): '
'-freorder-blocks-algorithm=[Set the used basic block reordering algorithm]:algorithm:(simple stc)'
'-fsched-stalled-insns-dep=[Set dependence distance checking in premature scheduling of queued insns]:insns:'
'-fsched-stalled-insns=[Set number of queued insns that can be prematurely scheduled]:insns:'
'-fsimd-cost-model=[Specifies the vectorization cost model for code marked with a simd directive]:model:(unlimited dynamic cheap)'
'-fstack-reuse=[Set stack reuse level for local variables]:level:(all named_vars none)'
'-ftree-parallelize-loops=[Enable automatic parallelization of loops]'
'-fvect-cost-model=[Specifies the cost model for vectorization]:model:(unlimited dynamic cheap)'
)
# More linker options, from gcc man pages
args+=(
'-nostartfiles[Do not use the standard system startup files when linking]'
'-nodefaultlibs[Do not use the standard system libraries when linking]'
'-nostdlib[Do not use standard system startup files or libraries when linking]'
'-rdynamic[Pass the flag -export-dynamic to the ELF linker, on targets that support it]'
'-s[Remove all symbol table and relocation information from the executable]'
'-static[On systems that support dynamic linking, this prevents linking with the shared libraries]'
'-shared-libgcc[Force shared libgcc]'
'-static-libgcc[Force static libgcc]'
'-symbolic[Bind references to global symbols when building a shared object]'
'-T:linker script:_files'
)
# other common options, gcc --help=warnings --help=optimizers --help=common|sed 1,/language-independent/d
args+=(
# | grep -v ::
'--help[Display this information]'
'--no-warnings[Same as -w]'
'--optimize[Same as -O]'
'--output[Same as -o]'
'--param[Set parameter <param> to value. See manpage for a complete list of parameters]:name=value'
'--verbose[Same as -v]'
'--version[Display version information]'
'-aux-info[Emit declaration information into <file>]:file:_files'
'-dumpbase[Set the file basename to be used for dumps]:file:_files'
'-dumpdir[Set the directory name to be used for dumps]:file:_files -/'
'-fPIC[Generate position-independent code if possible (large mode)]'
'-fPIE[Generate position-independent code for executables if possible (large mode)]'
'-fassociative-math[Allow optimization for floating-point arithmetic which may change the result of the operation due to rounding]'
'-fauto-inc-dec[Generate auto-inc/dec instructions]'
'-fbounds-check[Generate code to check bounds before indexing arrays]'
'-fcall-saved--[Mark <register> as being preserved across functions]:register'
'-fcall-used--[Mark <register> as being corrupted by function calls]:register'
'-fcheck-data-deps[Compare the results of several data dependence analyzers]'
'-fcompare-debug-second[Run only the second compilation of -fcompare-debug]'
'-fcompare-debug=-[Compile with and without e.g. -gtoggle, and compare the final-insns dump]:opts:' #TODO: complete gcc options here
'-fdbg-cnt-list[List all available debugging counters with their limits and counts]'
'-fdbg-cnt=-[,<counter>-<limit>,...) Set the debug counter limit]:counter\:limit,...: ' #TODO: gcc -fdbg-cnt-list -x c /dev/null -o /dev/null -c
'-fdebug-types-section[Output .debug_types section when using DWARF v4 debuginfo]'
'-fdelete-dead-exceptions[Delete dead instructions that may throw exceptions]'
'-fdiagnostics-color=-[Colorize diagnostics]::color:(never always auto)'
'-fdiagnostics-generate-patch[Print fix-it hints to stderr in unified diff format]'
'-fdiagnostics-parseable-fixits[Print fixit hints in machine-readable form]'
'-fdiagnostics-show-caret[Show the source line with a caret indicating the column]'
'-fdiagnostics-show-location=-[How often to emit source location at the beginning of line-wrapped diagnostics]:source location:(once every-line)'
'-fdiagnostics-show-option[Amend appropriate diagnostic messages with the command line option that controls them]'
#not meant for end users
#'-fdisable--pass=-[disables an optimization pass]:range1+range2: '
#'-fdisable-[disables an optimization pass]'
#'-fenable--pass=-[enables an optimization pass]:range1+range2: '
#'-fenable-[enables an optimization pass]'
#'-fdump-<type>[Dump various compiler internals to a file]'
'-fdump-final-insns=-[Dump to filename the insns at the end of translation]:filename:_files'
'-fdump-go-spec=-[Write all declarations to file as Go code]:filename:_files'
'-fdump-noaddr[Suppress output of addresses in debugging dumps]'
'-fdump-passes[Dump optimization passes]'
'-fdump-unnumbered-links[Suppress output of previous and next insn numbers in debugging dumps]'
'-fdump-unnumbered[Suppress output of instruction numbers, line number notes and addresses in debugging dumps]'
'-fdwarf2-cfi-asm[Enable CFI tables via GAS assembler directives]'
'-feliminate-dwarf2-dups[Perform DWARF2 duplicate elimination]'
'-feliminate-unused-debug-symbols[Perform unused type elimination in debug info]'
'-feliminate-unused-debug-types[Perform unused type elimination in debug info]'
'-femit-class-debug-always[Do not suppress C++ class debug information]'
'-fexcess-precision=-[Specify handling of excess floating-point precision]:precision handling:(fast standard)'
'-ffast-math[Sets -fno-math-errno, -funsafe-math-optimizations, -ffinite-math-only, -fno-rounding-math, -fno-signaling-nans and -fcx-limited-range]'
'-ffat-lto-objects[Output lto objects containing both the intermediate language and binary output]'
'-ffixed--[Mark <register> as being unavailable to the compiler]:register'
'-ffunction-cse[Allow function addresses to be held in registers]'
'-ffunction-sections[Place each function into its own section]'
'-fgnu-tm[Enable support for GNU transactional memory]'
'-fgraphite[Enable in and out of Graphite representation]'
'-fident[Process #ident directives]'
'-findirect-inlining[Perform indirect inlining]'
'-finhibit-size-directive[Do not generate .size directives]'
'-finline-limit=-[Limit the size of inlined functions to <number>]:number: '
'-finstrument-functions[Instrument function entry and exit with profiling calls]'
'-fira-loop-pressure[Use IRA based register pressure calculation in RTL loop optimizations]'
'-fira-share-save-slots[Share slots for saving different hard registers]'
'-fira-share-spill-slots[Share stack slots for spilled pseudo-registers]'
'-fira-verbose=-[Control IRA'\''s level of diagnostic messages]:verbosity: '
'-fkeep-inline-functions[Generate code for functions even if they are fully inlined]'
'-fkeep-static-consts[Emit static const variables even if they are not used]'
'-fleading-underscore[Give external symbols a leading underscore]'
'-flto-compression-level=-[Use specified zlib compression level for IL]:compression level: '
'-flto-odr-type-merging[Merge C++ types using One Definition Rule]'
'-flto-partition=-[Partition symbols and vars at linktime based on object files they originate from]:partitioning algorithm:(1to1 balanced max one none)'
'-flto-report[Report various link-time optimization statistics]'
'-fmax-errors=-[Maximum number of errors to report]:errors: '
'-fmem-report-wpa[Report on permanent memory allocation in WPA only]'
'-fmem-report[Report on permanent memory allocation]'
'-fmerge-debug-strings[Attempt to merge identical debug strings across compilation units]'
'-fmessage-length=-[Limit diagnostics to <number> characters per line. 0 suppresses line-wrapping]:length: '
'-fmodulo-sched-allow-regmoves[Perform SMS based modulo scheduling with register moves allowed]'
'-fopt-info-type=-[Dump compiler optimization details]:filename:_files'
'-fopt-info[Dump compiler optimization details]'
'-fpartial-inlining[Perform partial inlining]'
'-fpcc-struct-return[Return small aggregates in memory, not registers]'
'-fpic[Generate position-independent code if possible (small mode)]'
'-fpie[Generate position-independent code for executables if possible (small mode)]'
'-fplugin-arg--[Specify argument <key>=<value> for plugin <name>]:-fplugin-arg-name-key=value: ' #TODO
'-fpost-ipa-mem-report[Report on memory allocation before interprocedural optimization]'
'-fpre-ipa-mem-report[Report on memory allocation before interprocedural optimization]'
'-fprofile-arcs[Insert arc-based program profiling code]'
'-fprofile-correction[Enable correction of flow inconsistent profile data input]'
'-fprofile-generate[Enable common options for generating profile info for profile feedback directed optimizations]'
'-fprofile-report[Report on consistency of profile]'
'-fprofile-use[Enable common options for performing profile feedback directed optimizations]'
'-fprofile-values[Insert code to profile values of expressions]'
'-fprofile[Enable basic program profiling code]'
'-frandom-seed=-[Use <string> as random seed]:seed: '
'-freciprocal-math[Same as -fassociative-math for expressions which include division]'
'-frecord-gcc-switches[Record gcc command line switches in the object file]'
'-free[Turn on Redundant Extensions Elimination pass]'
"-fsanitize=-[Enable AddressSanitizer, a memory error detector]:style:($sanitizers)"
'-fsched-stalled-insns-dep=-[Set dependence distance checking in premature scheduling of queued insns]:instructions: '
'-fsched-stalled-insns=-[Set number of queued insns that can be prematurely scheduled]:instructions: '
'-fsched-verbose=-[Set the verbosity level of the scheduler]:verbosity: '
'-fshow-column[Show column numbers in diagnostics, when available]'
'-fsplit-stack[Generate discontiguous stack frames]'
'-fstack-check=-[Insert stack checking code into the program. -fstack-check=specific if to argument given]:type:(none generic specific)'
'-fstack-limit-register=-[Trap if the stack goes past <register>]:register: '
'-fstack-limit-symbol=-[Trap if the stack goes past symbol <name>]:name: '
'-fno-stack-limit'
'-fstack-protector-all[Use a stack protection method for every function]'
'-fstack-protector[Use propolice as a stack protection method]'
'-fstack-usage[Output stack usage information on a per-function basis]'
'-fstrict-overflow[Treat signed overflow as undefined]'
'-fstrict-volatile-bitfields[Force bitfield accesses to match their type width]'
'-fsync-libcalls[Implement __atomic operations via libcalls to legacy __sync functions]'
'-fsyntax-only[Check for syntax errors, then stop]'
'-ftest-coverage[Create data files needed by "gcov"]'
'-ftime-report[Report the time taken by each compiler pass]'
'-ftls-model=-[Set the default thread-local storage code generation model]:TLS model:(global-dynamic local-dynamic initial-exec local-exec)'
'-ftracer[Perform superblock formation via tail duplication]'
'-ftree-loop-linear[Enable loop interchange transforms. Same as -floop-interchange]'
'-fuse-ld=-[Use the specified linker instead of the default linker]:linker:(bfd gold)'
'-fuse-linker-plugin[Use linker plugin during link-time optimization]'
'-fverbose-asm[Add extra commentary to assembler output]'
'-fvisibility=-[Set the default symbol visibility]:visibility:(default internal hidden protected)'
'-fzero-initialized-in-bss[Put zero initialized data in the bss section]'
'-gno-pubnames[Don'\''t generate DWARF pubnames and pubtypes sections]'
'-gno-record-gcc-switches[Don'\''t record gcc command line switches in DWARF DW_AT_producer]'
'-gno-split-dwarf[Don'\''t generate debug information in separate .dwo files]'
'-gno-strict-dwarf[Emit DWARF additions beyond selected version]'
'-gpubnames[Generate DWARF pubnames and pubtypes sections]'
'-grecord-gcc-switches[Record gcc command line switches in DWARF DW_AT_producer]'
'-gsplit-dwarf[Generate debug information in separate .dwo files]'
'-gstrict-dwarf[Don'\''t emit DWARF additions beyond selected version]'
'-gtoggle[Toggle debug information generation]'
'-gvms[Generate debug information in VMS format]'
'-imultiarch[Set <dir> to be the multiarch include subdirectory]:directory:_files -/' #XXX not in manpage
'-iplugindir=-[Set <dir> to be the default plugin directory]:directory:_files -/'
'(-pg)-p[Enable function profiling for prof]'
'(-p)-pg[Enable function profiling for gprof]'
'-pedantic-errors[Like -pedantic but issue them as errors]'
'-pedantic[Issue all mandatory diagnostics in the C standard]'
'-quiet[Do not display functions compiled or elapsed time]'
'-v[Enable verbose output]'
'-version[Display the compiler'\''s version]'
'-w[Suppress warnings]'
# | grep ::
'-fabi-version=-[Use version <n> of the C++ ABI (default: 2)]:ABI version:(1 2 3 4 5 6)'
'-fdebug-prefix-map=-[Map one directory name to another in debug information]:/old/dir=/new/dir:->dirtodir'
'-ffp-contract=-[Perform floating- point expression contraction (default: fast)]:style:(on off fast)'
'-finstrument-functions-exclude-file-list=-[Do not instrument functions listed in files]:comma-separated file list:->commafiles'
'-finstrument-functions-exclude-function-list=-[Do not instrument listed functions]:comma-separated list of syms: '
'-fira-algorithm=-[Set the used IRA algorithm]:algorithm:(priority CB)'
'-fira-region=-[Set regions for IRA]:region:(all mixed one)'
'-fplugin=-[Specify a plugin to load]:plugin: ' # TODO: complete plugins?
'-fprofile-dir=-[Set the top-level directory for storing the profile data]:profile directory:_files -/'
'-fstack-reuse=-[Set stack reuse level for local variables]:reuse-level:(all named_vars none)'
'-ftree-parallelize-loops=-[Enable automatic parallelization of loops]:threads: '
)
# How to mostly autogenerate the above stuff:
# joinhelplines() { sed '$!N;s/^\( -.*\)\n \s*\([^-]\)/\1 \2/;P;D' }
# gcc-x86() { gcc --help=target,\^undocumented | joinhelplines | joinhelplines }
# compdef _gnu_generic gcc-x86
# printf '%s\n' ${(onq-)_args_cache_gcc_x86}
_arguments -C -M 'L:|-{fWm}no-=-{fWm} r:|[_-]=* r:|=*' \
"$args[@]" \
"$args2[@]" && ret=0
case "$state" in
dump)
_values -s '' 'dump information' \
'M[only macro definitions]' \
'N[macro names]' \
'D[macro definitions and normal output]' \
'y[debugging information during parsing]' \
'r[after RTL generation]' \
'x[only generate RTL]' \
'j[after jump optimization]' \
's[after CSE]' \
'L[after loop optimization]' \
't[after second CSE pass]' \
'f[after flow analysis]' \
'c[after instruction combination]' \
'S[after first instruction scheduling pass]' \
'l[after local register allocation]' \
'g[after global register allocation]' \
'R[after second instruction scheduling pass]' \
'J[after last jump optimization]' \
'd[after delayed branch scheduling]' \
'k[after conversion from registers to stack]' \
'a[all dumps]' \
'm[print memory usage statistics]' \
'p[annotate assembler output]' && ret=0
;;
library)
_wanted libraries expl library \
compadd - ${^=LD_LIBRARY_PATH:-/usr/lib /usr/local/lib}/lib*.(a|so*)(:t:fr:s/lib//) && ret=0
;;
rundir)
compset -P '*:'
compset -S ':*'
_files -/ -S/ -r '\n\t\- /:' "$@" && ret=0
;;
help)
_values -s , 'help' \
optimizers warnings target params common \
c c++ objc objc++ lto ada adascil adawhy fortran go java \
{\^,}undocumented {\^,}joined {\^,}separate \
&& ret=0
;;
dirtodir)
compset -P '*='
_files -/ && ret=0
;;
commafiles)
compset -P '*,'
_files && ret=0
;;
esac
return ret
|