https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102821#M69378 <STRONG>MinGW v3.4.2 32-bit Options - Group 1</STRONG> The following options are language-independent: --help Display this information --param <OBJECT><PARAM />=<VALUE> Set paramter <PARAM /> to value. See below for a complete list of parameters --target-help This switch lacks documentation --version This switch lacks documentation -G<NUMBER> Put global and static data smaller than <NUMBER> bytes into a special section (on some targets) -O<NUMBER> Set optimization level to <NUMBER> -Os Optimize for space rather than speed -W This switch is deprecated; use -Wextra instead -Waggregate-return Warn about returning structures, unions or arrays -Wcast-align Warn about pointer casts which increase alignment -Wdeprecated-declarations Warn about uses of __attribute__((deprecated)) declarations -Wdisabled-optimization Warn when an optimization pass is disabled -Werror Treat all warnings as errors -Wextra Print extra (possibly unwanted) warnings -Winline Warn when an inlined function cannot be inlined -Wlarger-than-<NUMBER> Warn if an object is larger than <NUMBER> bytes -Wmissing-noreturn Warn about functions which might be candidates for __attribute__((noreturn)) -Wpacked Warn when the packed attribute has no effect on struct layout -Wpadded Warn when padding is required to align structure members -Wshadow Warn when one local variable shadows another -Wstrict-aliasing Warn about code which might break strict aliasing rules -Wswitch Warn about enumerated switches, with no default, missing a case -Wswitch-default Warn about enumerated switches missing a "default:" statement -Wswitch-enum Warn about all enumerated switches missing a specific case -Wsystem-headers Do not suppress warnings from system headers -Wuninitialized Warn about uninitialized automatic variables -Wunreachable-code Warn about code that will never be executed -Wunused Enable all -Wunused- warnings -Wunused-function Warn when a function is unused -Wunused-label Warn when a label is unused -Wunused-parameter Warn when a function parameter is unused -Wunused-value Warn when an expression value is unused -Wunused-variable Warn when a variable is unused -aux-info <FILE> Emit declaration information into <FILE> -aux-info= This switch lacks documentation -auxbase This switch lacks documentation -auxbase-strip This switch lacks documentation -d<LETTERS> Enable dumps from specific passes of the compiler -dumpbase <FILE> Set the file basename to be used for dumps -fPIC This switch lacks documentation -fPIE This switch lacks documentation -fabi-version= This switch lacks documentation -falign-functions Align the start of functions -falign-functions= This switch lacks documentation -falign-jumps Align labels which are only reached by jumping -falign-jumps= This switch lacks documentation -falign-labels Align all labels -falign-labels= This switch lacks documentation -falign-loops Align the start of loops -falign-loops= This switch lacks documentation -fargument-alias Specify that arguments may alias each other and globals -fargument-noalias Assume arguments may alias globals but not each other -fargument-noalias-global Assume arguments alias neither each other nor globals -fasynchronous-unwind-tables Generate unwind tables that are exact at each instruction boundary -fbounds-check Generate code to check bounds before indexing arrays -fbranch-count-reg Replace add, compare, branch with branch on count register -fbranch-probabilities Use profiling information for branch probabilities -fbranch-target-load-optimize Perform branch target load optimization before prologue / epilogue threading -fbranch-target-load-optimize2 Perform branch target load optimization after prologue / epilogue threading -fcall-saved-<REGISTER> Mark <REGISTER> as being preserved across functions -fcall-used-<REGISTER> Mark <REGISTER> as being corrupted by function calls -fcaller-saves Save registers around function calls -fcommon Do not put uninitialized globals in the common section -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 -fcse-skip-blocks When running CSE, follow conditional jumps -fdata-sections Place data items into their own section -fdefer-pop Defer popping functions args from stack until later -fdelayed-branch Attempt to fill delay slots of branch instructions -fdelete-null-pointer-checks Delete useless null pointer checks -fdiagnostics-show-location=[once|every-line] How often to emit source location at the beginning of line-wrapped diagnostics -fdump-unnumbered Suppress output of instruction numbers and line number notes in debugging dumps -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 -fexceptions Enable exception handling -fexpensive-optimizations Perform a number of minor, expensive optimizations -ffast-math This switch lacks documentation -ffinite-math-only Assume no NaNs or infinities are generated -ffixed-<REGISTER> Mark <REGISTER> as being unavailable to the compiler -ffloat-store Do not store floats in registers -fforce-addr Copy memory address constants into registers before use -fforce-mem Copy memory operands into registers before use -ffunction-cse Allow function addresses to be held in registers -ffunction-sections Place each function into its own section -fgcse Perform global common subexpression elimination -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 -fguess-branch-probability Enable guessing of branch probabilities -fident Process #ident directives -fif-conversion Perform conversion of conditional jumps to branchless equivalents -fif-conversion2 Perform conversion of conditional jumps to conditional execution -finhibit-size-directive Do not generate .size directives -finline Pay attention to the "inline" keyword -finline-functions This switch lacks documentation -finline-limit- This switch lacks documentation -finline-limit=<NUMBER> Limit the size of inlined functions to <NUMBER> -finstrument-functions Instrument function entry and exit with profiling calls -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 -floop-optimize Perform loop optimizations -fmath-errno Set errno after built-in math functions -fmem-report Report on permanent memory allocation -fmerge-all-constants Attempt to merge identical constants and constant variables -fmerge-constants Attempt to merge identical constants across compilation units -fmessage-length=<NUMBER> Limit diagnostics to <NUMBER> characters per line. 0 suppresses line-wrapping -fmove-all-movables Force all loop invariant computations out of loops -fnew-ra Use graph-coloring register allocation -fnon-call-exceptions Support synchronous non-call exceptions -fold-unroll-all-loops Perform loop unrolling for all loops -fold-unroll-loops Perform loop unrolling when iteration count is known -fomit-frame-pointer When possible do not generate stack frames -foptimize-register-move Do the full register move optimization pass -foptimize-sibling-calls Optimize sibling and tail recursive calls -fpack-struct Pack structure members together without holes -fpcc-struct-return Return small aggregates in memory, not registers -fpeel-loops Perform loop peeling -fpeephole Enable machine specific peephole optimizations -fpeephole2 Enable an RTL peephole pass before sched2 -fpic Generate position-independent code if possible -fpie Generate position-independent code for executables if possible -fprefetch-loop-arrays Generate prefetch instructions, if available, for arrays in loops -fprofile Enable basic program profiling code -fprofile-arcs Insert arc-based program profiling code -fprofile-generate Enable common options for generating profile info for profile feedback directed optimizations -fprofile-use Enable common options for performing profile feedback directed optimizations -fprofile-values Insert code to profile values of expressions -frandom-seed This switch lacks documentation -frandom-seed=<STRING> Make compile reproducible using <STRING> -freduce-all-givs Strength reduce all loop general induction variables -freg-struct-return Return small aggregates in registers -fregmove Enables a register move optimization -frename-registers Perform a register renaming optimization pass -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 -frerun-loop-opt Run the loop optimizer twice -frounding-math Disable optimizations that assume default FP rounding behavior -fsched-interblock Enable scheduling across basic blocks -fsched-spec Allow speculative motion of non-loads -fsched-spec-load Allow speculative motion of some loads -fsched-spec-load-dangerous Allow speculative motion of more loads -fsched-stalled-insns Allow premature scheduling of queued insns -fsched-stalled-insns-dep Set dependence distance checking in premature scheduling of queued insns -fsched-stalled-insns-dep= -fsched-stalled-insns-dep=<NUMBER> Set dependence distance checking in premature scheduling of queued insns -fsched-stalled-insns= -fsched-stalled-insns=<NUMBER> Set number of queued insns that can be prematurely scheduled -fsched-verbose=<NUMBER> Set the verbosity level of the scheduler -fsched2-use-superblocks If scheduling post reload, do superblock scheduling -fsched2-use-traces If scheduling post reload, do trace scheduling -fschedule-insns Reschedule instructions before register allocation -fschedule-insns2 Reschedule instructions after register allocation -fshared-data Mark data as shared rather than private -fsignaling-nans Disable optimizations observable by IEEE signaling NaNs -fsingle-precision-constant Convert floating point constants to single precision constants -fstack-check Insert stack checking code into the program -fstack-limit This switch lacks documentation -fstack-limit-register=<REGISTER> Trap if the stack goes past <REGISTER> -fstack-limit-symbol=<NAME> Trap if the stack goes past symbol <NAME> -fstrength-reduce Perform strength reduction optimizations -fstrict-aliasing Assume strict aliasing rules apply -fsyntax-only Check for syntax errors, then stop -ftest-coverage Create data files needed by "gcov" -fthread-jumps Perform jump threading optimizations -ftime-report Report the time taken by each compiler pass -ftls-model=[global-dynamic|local-dynamic|initial-exec|local-exec] Set the default thread-local storage code generation model -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 -funit-at-a-time Compile whole compilation unit at a time -funroll-all-loops Perform loop unrolling for all loops -funroll-loops Perform loop unrolling when iteration count is known -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 -fverbose-asm Add extra commentary to assembler output -fvpt Use expression value profiles in optimizations -fweb Construct webs and split unrelated uses of single variable -fwrapv Assume signed arithmetic overflow wraps around -fwritable-strings Store strings in writable data section -fzero-initialized-in-bss Put zero initialized data in the bss section -g Generate debug information in default format -gcoff Generate debug information in COFF format -gdwarf-2 Generate debug information in DWARF v2 format -ggdb Generate debug information in default extended format -gstabs Generate debug information in STABS format -gstabs+ Generate debug information in extended STABS format -gvms Generate debug information in VMS format -gxcoff Generate debug information in XCOFF format -gxcoff+ Generate debug information in extended XCOFF format -m This switch lacks documentation -o <FILE> Place output into <FILE> -p Enable function profiling -pedantic Issue warnings needed for strict compliance to the standard -pedantic-errors Like -pedantic but issue them as errors -quiet Do not display functions compiled or elapsed time -version This switch lacks documentation -w Suppress warnings</FILE></FILE></NAME></NAME></REGISTER></REGISTER></NUMBER></NUMBER></NUMBER></STRING></STRING></NUMBER></NUMBER></NUMBER></NUMBER></REGISTER></REGISTER></REGISTER></REGISTER></REGISTER></REGISTER></FILE></LETTERS></FILE></FILE></NUMBER></NUMBER></NUMBER></NUMBER></NUMBER></NUMBER></VALUE></OBJECT> Wed, 10 Aug 2016 17:04:11 GMT SergeyKostrov 2016-08-10T17:04:11Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102795#M69352 <STRONG>*** Evolution of Command Line options of different C++ compilers ***</STRONG> <STRONG>[ Abstract ]</STRONG> Technical details on <STRONG>Evolution of Command Line options</STRONG> of different C++ compilers, more than 10, will be provided. Fri, 05 Aug 2016 18:40:56 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102795#M69352 SergeyKostrov 2016-08-05T18:40:56Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102796#M69353 I hope that the thread will be an invaluable source for software engineers, developers, researches on command line options of different C++ compilers. Mon, 08 Aug 2016 17:15:00 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102796#M69353 SergeyKostrov 2016-08-08T17:15:00Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102797#M69354 <STRONG>Borland C++ 5.5.1 for Win32 Copyright (c) 1993, 2000 Borland</STRONG> Syntax is: BCC32 [ options ] file<S> * = default; -x- = turn switch x off -3 * 80386 Instructions -4 80486 Instructions -5 Pentium Instructions -6 Pentium Pro Instructions -Ax Disable extensions -B Compile via assembly -C Allow nested comments -Dxxx Define macro -Exxx Alternate Assembler name -Hxxx Use pre-compiled headers -Ixxx Include files directory -K Default char is unsigned -Lxxx Libraries directory -M Generate link map -N Check stack overflow -Ox Optimizations -P Force C++ compile -R Produce browser info -RT * Generate RTTI -S Produce assembly output -Txxx Set assembler option -Uxxx Undefine macro -Vx Virtual table control -X Suppress autodep. output -aN Align on N bytes -b * Treat enums as integers -c Compile only -d Merge duplicate strings -exxx Executable file name -fxx Floating point options -gN Stop after N warnings -iN Max. identifier length -jN Stop after N errors -k * Standard stack frame -lx Set linker option -nxxx Output file directory -oxxx Object file name -p Pascal calls -tWxxx Create Windows app -u * Underscores on externs -v Source level debugging -wxxx Warning control -xxxx Exception handling -y Produce line number info -zxxx Set segment names</S> Mon, 08 Aug 2016 17:21:51 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102797#M69354 SergeyKostrov 2016-08-08T17:21:51Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102798#M69355 <STRONG>Icl v07.x.x 32-bit Options</STRONG> Intel(R) C++ Compiler Help ========================== usage: icl [options] file1 [file2 ...] [/link linker_options] where options represents zero or more compiler options fileN is a C/C++ source (.c .cc .cpp .cxx .i), assembly (.asm), object (.obj), static library (.lib), or other linkable file linker_options represents zero or more linker options Notes ----- 1. Most Microsoft* Visual C++* compiler options are supported; a warning is printed for most unsupported options. The precise behavior of performance options does not always match that of the Microsoft Visual C++ compiler. 2. Intel C++ compiler options may be placed in your icl.cfg file. 3. Most options beginning with /Q are specific to the Intel C++ compiler: (*I) indicates other options specific to the Intel C++ compiler (*M) indicates /Q options supported by the Microsoft Visual C++ compiler Compiler Option List -------------------- Performance ----------- /O1 optimize for maximum speed, but disable some optimizations which increase code size for a small speed benefit: /Gfsy /Ob1gysi- /O2 optimize for maximum speed (DEFAULT): /Gfsy /Ob1gyti /O3 optimize for maximum speed and enable high-level optimizations /Ox enable maximum optimizations: /Gs /Ob1gyti (same as /O2 without /Gfy) /Od disable optimizations; useful for selective optimizations (i.e. /Od /Og) /Ob<N> control inline expansion: n=0 disables inlining n=1 inline functions declared with __inline, and perform C++ inlining n=2 inline any function, at the compiler's discretion (same as /Qip) /Og enable global optimizations /Oi[-] enable/disable inline expansion of intrinsic functions /Op[-] enable/disable better floating-point precision /Os enable speed optimizations, but disable some optimizations which increase code size for small speed benefit (overrides /Ot) /Ot enable speed optimizations (overrides /Os) /Oy[-] enable/disable using EBP as general purpose register (no frame pointer) /Oa[-] assume no aliasing in program /Ow[-] assume no aliasing within functions, but assume aliasing across calls /G5 optimize for Pentium(R) processor /G6 optimize for Pentium(R) Pro, Pentium(R) II, and Pentium(R) III processors /G7 optimize for Pentium(R) 4 processor (DEFAULT) /GB same as /G6 /Qax<CODES> generate code specialized for processor extensions specified by <CODES> while also generating generic IA-32 code. <CODES> includes one or more of the following characters: i Pentium Pro and Pentium II processor instructions M MMX(TM) instructions K streaming SIMD extensions W Pentium(R) 4 New Instructions /Qx<CODES> generate specialized code to run exclusively on processors supporting the extensions indicated by <CODES> as described above. /arch:{SSE|SSE2} same as /QxK and /QxW respectively /GR[-] enable/disable C++ RTTI /GX[-] enable/disable C++ exception handling (/GX is same as /EHsc) /EHa enable asynchronous C++ exception handling model /EHs enable synchronous C++ exception handling model /EHc assume extern "C" functions do not throw exceptions /Gd make __cdecl the default calling convention /Gr make __fastcall the default calling convention /Gz make __stdcall the default calling convention /Ge enable stack checks for all functions /Gs<N> disable stack checks for functions with less than n bytes of locals /Gf enable string pooling optimization /GF enable read-only string pooling optimization /Gy separate functions for the linker (COMDAT) /GA optimize for Windows application (assume single-threaded app) /GS enable overflow security checks /GT enable fiber-safe thread local storage Advanced Performance -------------------- Enable and specify the scope of Interprocedural (IP) Optimizations: /Qip enable single-file IP optimizations (within files, same as /Ob2) /Qipo enable multi-file IP optimizations (between files) /Qipo_c generate a multi-file object file (ipo_out.obj) /Qipo_S generate a multi-file assembly file (ipo_out.asm) Modify the behavior of IP: /Qip_no_inlining disable full and partial inlining (requires /Qip or /Qipo) /Qip_no_pinlining disable partial inlining (requires /Qip or /Qipo) /Qipo_obj force generation of real object files (requires /Qipo) Other Advanced Performance Options: /Qunroll<N> set maximum number of times to unroll loops. Omit n to use default heuristics. Use n=0 to disable loop unroller. /Qprof_dir <D> specify directory for profiling output files (*.dyn and *.dpi) /Qprof_file <F> specify file name for profiling summary file /Qprof_gen<X> instrument program for profiling; with the x qualifier, extra information is gathered for use with the PROFORDER tool /Qprof_use enable use of profiling information during optimization /Qfnsplit[-] enable/disable function splitting (enabled with /Qprof_use) /Qpc32 set internal FPU precision to 24 bit significand /Qpc64 set internal FPU precision to 53 bit significand (DEFAULT) /Qpc80 set internal FPU precision to 64 bit significand /QIfist[-] enable/disable(DEFAULT) fast float-to-int conversions (*M) /Qrcd same as /QIfist /Qprec improve floating-point precision (speed impact less than /Op) /Qprec_div improve precision of FP divides (some speed impact) /Qfp_port round fp results at assignments &amp; casts (some speed impact) /Qsfalign8 may align stack for functions with 8 or 16 byte vars (DEFAULT) /Qsfalign16 may align stack for functions with 16 byte vars /Qsfalign force stack alignment for all functions /Qsfalign- disable stack alignment for all functions /Gh call __penter in function prolog; for custom user profiling /Qvec_report<N> control amount of vectorizer diagnostic information: n=0 no diagnostic information n=1 indicate vectorized loops (DEFAULT) n=2 indicate vectorized/non-vectorized loops n=3 indicate vectorized/non-vectorized loops and prohibiting data dependence information n=4 indicate non-vectorized loops n=5 indicate non-vectorized loops and prohibiting data dependence information /Qopt_report generate an optimization report to stderr /Qopt_report_file<FILE> specify the filename for the generated report /Qopt_report_level[level] specify the level of report verbosity (min|med|max) /Qopt_report_phase<NAME> specify the phase that reports are generated against /Qopt_report_routine<NAME> reports on routines containing the given name /Qopt_report_help display the optimization phases available for reporting /Qtcheck generate instrumentation to detect multi-threading bugs (requires Intel(R) Threading Tools; cannot be used with compiler alone) /Qopenmp enable the compiler to generate multi-threaded code based on the OpenMP directives /Qopenmp_profile link with instrumented OpenMP runtime library to generate OpenMP profiling information for use with the OpenMP component of the VTune(TM) Performance Analyzer /Qopenmp_stubs enables the user to compile OpenMP programs in sequential mode. The openmp directives are ignored and a stub OpenMP library is linked (sequential) /Qopenmp_report{0|1|2} control the OpenMP parallelizer diagnostic level /Qparallel enable the auto-parallelizer to generate multi-threaded code for loops that can be safely executed in parallel /Qpar_report{0|1|2|3} control the auto-parallelizer diagnostic level /Qpar_threshold<N> set threshold for the auto-parallelization of loops where n is an integer from 0 to 100 /Qansi_alias[-] enable/disable(DEFAULT) use of ANSI aliasing rules in optimizations; user asserts that the program adheres to these rules /Qcomplex_limited_range[-] enable/disable(DEFAULT) the use of the basic algebraic expansions of some complex arithmetic operations. This can allow for some performance improvement in programs which use a lot of complex arithmetic at the loss of some exponent range. Output, Debug, PCH ------------------ /c compile to object (.obj) only, do not link /S compile to assembly (.asm) only, do not link (*I) /FA[cs] produce assembly file with optional code or source annotations /Fa[file] name assembly file (or directory for multiple files; i.e. /FaMYDIR\) /Fo[file] name object file (or directory for multiple files; i.e. /FoMYDIR2\) /Fe<FILE> name executable file or directory /Fm[file] name map file or directory /Fp[file] name precompiled header file /Yc[hfile] create precompiled header file /Yu[hfile] use precompiled header file /YX enable automatic precompiled header file creation/usage /Y- ignore all other precompiled header file options /Qpchi[-] enable(DEFAULT)/disable PCH coexistence, to reduce build time /Qpch_compress specify compression of PCH files /Qpch_mem<N> preallocate <N> megabytes of memory for PCH creation /FD generate file dependencies /Fr[file] name source browser file (excludes local variable info) /FR[file] name extended source browser file /Quse_asm[-] enable/disable(DEFAULT) use of assembler to produce object files /GZ detect "release build" runtime errors in "debug build" code /RTC1 equivalent to /GZ or /RTCsu /RTCs enable stack frame runtime checks /RTCu report use of variable that was not initialized /Zd produce line number information in object file /Zi, /Z7 produce symbolic debug information in object file /ZI same as /Zi /Qinline_debug_info preserve the source position of inlined code instead of assigning the call-site source position to inlined code Preprocessor ------------ /C don't strip comments /D<NAME>[{=|#}<TEXT>] define macro /QA<NAME>[(val)] create an assertion 'name' having value 'val' /QA[-] remove all predefined macros /E preprocess to stdout /EP preprocess to stdout, omitting #line directives /EP /P preprocess to file, omitting #line directives /P preprocess to file /FI<FILE> force inclusion of file /I<DIR> add directory to include file search path /QH print include file order /QM generate makefile include dependencies; don't compile /QMM similar to /QM, but do not include system header files /QMG similar to /QM, but treat missing header files as generated files /QMD preprocess and compile, generating output file containing dependency information ending with extension .d /QMMD similar to /QMD, but do not include system header files /QMF<FILE> generate makefile dependency information in file (must specify /QM or /QMM) /QMX generate dependency file ending with extension .o.dep containing information used for the Intel wb tool /QdM output macro definitions in effect after preprocessing (use with -E) /U<NAME> remove predefined macro /u remove all predefined macros /X remove standard directories from include file search path Component Control ----------------- /Qoption,<STR>,<OPTS> pass options <OPTS> to tool specified by <STR> /Qlocation,<STR>,<DIR> set <DIR> as the location of tool specified by <STR> Language -------- /J change default char type to unsigned /noBool disable 'bool' keyword /Qc99[-] enable/disable(default) C99 support for C programs /Qms allow compilation of certain dubious sources /Qmspp[-] enable(DEFAULT)/disable Microsoft Visual C++ 6.0 Processor Pack binary compatibility /Qvc5 enable Visual C++ 5.0 compatibility /Qvc6 enable Visual C++ 6.0 compatibility (DEFAULT) /Qvc7 enable Visual Studio .NET 2002 compatibility /Qvc7.1 enable Visual Studio .NET 2003 compatibility /Qrestrict[-] enable/disable the 'restrict' keyword for disambiguating pointers /Za disable Microsoft Visual C++ compiler language extensions /Ze enable Microsoft Visual C++ compiler language extensions (DEFAULT) /Zg enable the generation of function prototypes /Zp<N> specify alignment constraint for structures (n=1,2,4,8,16) /Zs check source syntax only, do not compile /Zc:arg1[,arg2] specify standard conformance for the following arguments: forScope enforce standard behavior for initializers of for loops wchar_t specify that wchar_t is a native data type /vd{0|1} disable or enable hidden vtordisp field in C++ objects /vm<X> specify representation method for C++ pointers to members Compiler Diagnostics -------------------- /w disable all warnings /W0 print only errors /W1, /W2, /W3 print only errors and warnings (DEFAULT) /W4, /Wall print errors, warnings, and remarks /WX force warnings to be reported as errors /Wport issue portability diagnostics /Qwn<N> print a maximum of n errors /Qwd<L1>[,<L2>,...] disable diagnostics L1 through LN /Qwe<L1>[,<L2>,...] change severity of diagnostics L1 through LN to error /Qww<L1>[,<L2>,...] change severity of diagnostics L1 through LN to warning /Qwr<L1>[,<L2>,...] change severity of diagnostics L1 through LN to remark Miscellaneous ------------- /?, /help print this help message /H<N> limit length of external symbols to n characters /nologo do not display compiler version information /Tc<FILE> compile file as C source /Tp<FILE> compile file as C++ source /TC compile all source or unrecognized file types as C source files /TP compile all source or unrecognized file types as C++ source files /V<TEXT> embed version text in executable /Qsox[-] enable/disable(DEFAULT) saving of compiler options and version in the executable /Qlong_double enable 80-bit 'long double' /Qnobss_init disable placement of zero-initialized variables in BSS (use DATA) /QI0f[-] enable/disable patch for Pentium processor 0f erratum (*M) Linking/Linker -------------- /link specify that all following options are for the linker /F<N> set the stack reserve amount specified to the linker /LD, /LDd produce a DLL instead of an EXE ('d' = debug version) /MD, /MDd use dynamically-loaded, multithread C runtime /ML, /MLd use statically-loaded, single thread C runtime (/ML is DEFAULT) /MT, /MTd use statically-loaded, multithread C runtime /Zl omit library names from object file Copyright (C) 1985-2004, Intel Corporation. All rights reserved. * Other brands and names are the property of their respective owners.</N></TEXT></FILE></FILE></N></L2></L1></L2></L1></L2></L1></L2></L1></N></X></N></STR></DIR></DIR></STR></STR></OPTS></OPTS></STR></NAME></FILE></DIR></FILE></NAME></TEXT></NAME></N></N></FILE></N></NAME></NAME></FILE></N></X></F></D></N></N></CODES></CODES></CODES></CODES></CODES></N> Mon, 08 Aug 2016 17:25:00 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102798#M69355 SergeyKostrov 2016-08-08T17:25:00Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102799#M69356 <STRONG>Icl v08.x.x 32-bit Options</STRONG> Intel(R) C++ Compiler Help ========================== usage: icl [options] file1 [file2 ...] [/link linker_options] where options represents zero or more compiler options fileN is a C/C++ source (.c .cc .cpp .cxx .i), assembly (.asm), object (.obj), static library (.lib), or other linkable file linker_options represents zero or more linker options Notes ----- 1. Most Microsoft* Visual C++* compiler options are supported; a warning is printed for most unsupported options. The precise behavior of performance options does not always match that of the Microsoft Visual C++ compiler. 2. Intel C++ compiler options may be placed in your icl.cfg file. 3. Most options beginning with /Q are specific to the Intel C++ compiler: (*I) indicates other options specific to the Intel C++ compiler (*M) indicates /Q options supported by the Microsoft Visual C++ compiler Compiler Option List -------------------- Performance ----------- /O1 optimize for maximum speed, but disable some optimizations which increase code size for a small speed benefit: /Gfsy /Ob1gysi- /O2 optimize for maximum speed (DEFAULT): /Gfsy /Ob1gyti /O3 optimize for maximum speed and enable high-level optimizations /Ox enable maximum optimizations: /Gs /Ob1gyti (same as /O2 without /Gfy) /Od disable optimizations; useful for selective optimizations (i.e. /Od /Og) /fast enable /QxP /O3 /Qipo /Ob<N> control inline expansion: n=0 disables inlining n=1 inline functions declared with __inline, and perform C++ inlining n=2 inline any function, at the compiler's discretion (same as /Qip) /Og enable global optimizations /Oi[-] enable/disable inline expansion of intrinsic functions /Op[-] enable/disable better floating-point precision /Os enable speed optimizations, but disable some optimizations which increase code size for small speed benefit (overrides /Ot) /Ot enable speed optimizations (overrides /Os) /Oy[-] enable/disable using EBP as general purpose register (no frame pointer) /Oa[-] assume no aliasing in program /Ow[-] assume no aliasing within functions, but assume aliasing across calls /G5 optimize for Pentium(R) processor /G6 optimize for Pentium(R) Pro, Pentium(R) II, and Pentium(R) III processors /G7 optimize for Pentium(R) 4 processor (DEFAULT) /GB same as /G6 /Qax<CODES> generate code specialized for processors specified by <CODES> while also generating generic IA-32 code. <CODES> includes one or more of the following characters: K Intel Pentium III and compatible Intel processors W Intel Pentium 4 and compatible Intel processors N Intel Pentium 4 and compatible Intel processors P Intel Pentium 4 processors with SSE3 extensions B Intel Pentium M and compatible Intel processors /Qx<CODES> generate specialized code to run exclusively on processors indicated by <CODES> as described above. /arch:{SSE|SSE2} same as /QxK and /QxW respectively /GR[-] enable/disable C++ RTTI /GX[-] enable/disable C++ exception handling (/GX is same as /EHsc) /Qcxx_features enable standard C++ features (-GX -GR) /EHa enable asynchronous C++ exception handling model /EHs enable synchronous C++ exception handling model /EHc assume extern "C" functions do not throw exceptions /Gd make __cdecl the default calling convention /Gr make __fastcall the default calling convention /Gz make __stdcall the default calling convention /Ge enable stack checks for all functions /Gs<N> disable stack checks for functions with less than n bytes of locals /Gf enable string pooling optimization /GF enable read-only string pooling optimization /Gy separate functions for the linker (COMDAT) /GA optimize for Windows application (assume .exe) /GS[-] enable/disable(DEFAULT) overflow security checks /GT enable fiber-safe thread local storage Advanced Performance -------------------- Enable and specify the scope of Interprocedural (IP) Optimizations: /Qip enable single-file IP optimizations (within files, same as /Ob2) /Qipo<N> enable multi-file IP optimizations (between files) /Qipo_c generate a multi-file object file (ipo_out.obj) /Qipo_S generate a multi-file assembly file (ipo_out.asm) Modify the behavior of IP: /Qip_no_inlining disable full and partial inlining (requires /Qip or /Qipo) /Qip_no_pinlining disable partial inlining (requires /Qip or /Qipo) /Qipo_obj force generation of real object files (requires /Qipo) /Qipo_separate create one object file for every source file (overrides /Qipo<N>) Other Advanced Performance Options: /Qunroll<N> set maximum number of times to unroll loops. Omit n to use default heuristics. Use n=0 to disable loop unroller. /Qprof_dir <D> specify directory for profiling output files (*.dyn and *.dpi) /Qprof_file <F> specify file name for profiling summary file /Qprof_gen<X> instrument program for profiling; with the x qualifier, extra information is gathered for use with the PROFORDER tool /Qprof_use enable use of profiling information during optimization /Qfnsplit[-] enable/disable function splitting (enabled with /Qprof_use) /Qpc32 set internal FPU precision to 24 bit significand /Qpc64 set internal FPU precision to 53 bit significand (DEFAULT) /Qpc80 set internal FPU precision to 64 bit significand /QIfist[-] enable/disable(DEFAULT) fast float-to-int conversions (*M) /Qrcd same as /QIfist /Qprec improve floating-point precision (speed impact less than /Op) /Qprec_div improve precision of FP divides (some speed impact) /Qfp_port round fp results at assignments &amp; casts (some speed impact) /Qfpstkchk enable fp stack checking after every function/procedure call /Qsfalign8 may align stack for functions with 8 or 16 byte vars (DEFAULT) /Qsfalign16 may align stack for functions with 16 byte vars /Qsfalign force stack alignment for all functions /Qsfalign- disable stack alignment for all functions /Gh call __penter in function prolog; for custom user profiling /GH call __pexit in function epilog; for custom user profiling /Qprefetch[-] enable(DEFAULT)/disable prefetch insertion /Qvec_report<N> control amount of vectorizer diagnostic information: n=0 no diagnostic information n=1 indicate vectorized loops (DEFAULT) n=2 indicate vectorized/non-vectorized loops n=3 indicate vectorized/non-vectorized loops and prohibiting data dependence information n=4 indicate non-vectorized loops n=5 indicate non-vectorized loops and prohibiting data dependence information /Qopt_report generate an optimization report to stderr /Qopt_report_file<FILE> specify the filename for the generated report /Qopt_report_level[level] specify the level of report verbosity (min|med|max) /Qopt_report_phase<NAME> specify the phase that reports are generated against /Qopt_report_routine<NAME> reports on routines containing the given name /Qopt_report_help display the optimization phases available for reporting /Qtcheck generate instrumentation to detect multi-threading bugs (requires Intel(R) Threading Tools; cannot be used with compiler alone) /Qopenmp enable the compiler to generate multi-threaded code based on the OpenMP directives /Qopenmp_profile link with instrumented OpenMP runtime library to generate OpenMP profiling information for use with the OpenMP component of the VTune(TM) Performance Analyzer /Qopenmp_stubs enables the user to compile OpenMP programs in sequential mode. The openmp directives are ignored and a stub OpenMP library is linked (sequential) /Qopenmp_report{0|1|2} control the OpenMP parallelizer diagnostic level /Qparallel enable the auto-parallelizer to generate multi-threaded code for loops that can be safely executed in parallel /Qpar_report{0|1|2|3} control the auto-parallelizer diagnostic level /Qpar_threshold<N> set threshold for the auto-parallelization of loops where n is an integer from 0 to 100 /Qalias_args[-] enable(DEFAULT)/disable C/C++ rule that function arguments may be aliased; when disabling the rule, the user asserts that this is safe /Qansi_alias[-] enable/disable(DEFAULT) use of ANSI aliasing rules in optimizations; user asserts that the program adheres to these rules /Qcomplex_limited_range[-] enable/disable(DEFAULT) the use of the basic algebraic expansions of some complex arithmetic operations. This can allow for some performance improvement in programs which use a lot of complex arithmetic at the loss of some exponent range. Output, Debug, PCH ------------------ /c compile to object (.obj) only, do not link /S compile to assembly (.asm) only, do not link (*I) /FA[cs] produce assembly file with optional code or source annotations /Fa[file] name assembly file (or directory for multiple files; i.e. /FaMYDIR\) /Fo[file] name object file (or directory for multiple files; i.e. /FoMYDIR2\) /Fe<FILE> name executable file or directory /Fm[file] name map file or directory /Fp[file] name precompiled header file /Yc[hfile] create precompiled header file /Yu[hfile] use precompiled header file /YX enable automatic precompiled header file creation/usage /Y- ignore all other precompiled header file options /Qpchi[-] enable(DEFAULT)/disable PCH coexistence, to reduce build time /FD generate file dependencies /Fr[file] name source browser file (excludes local variable info) /FR[file] name extended source browser file /Quse_asm[-] enable/disable(DEFAULT) use of assembler to produce object files /GZ detect "release build" runtime errors in "debug build" code /RTC1 equivalent to /GZ or /RTCsu /RTCs enable stack frame runtime checks /RTCu report use of variable that was not initialized /Zd produce line number information in object file /Zi, /Z7 produce symbolic debug information in object file /ZI same as /Zi /Qinline_debug_info preserve the source position of inlined code instead of assigning the call-site source position to inlined code Preprocessor ------------ /C don't strip comments /D<NAME>[{=|#}<TEXT>] define macro /QA<NAME>[(val)] create an assertion 'name' having value 'val' /QA[-] remove all predefined macros /E preprocess to stdout /EP preprocess to stdout, omitting #line directives /EP /P preprocess to file, omitting #line directives /P preprocess to file /FI<FILE> force inclusion of file /I<DIR> add directory to include file search path /QH print include file order /QM generate makefile include dependencies; don't compile /QMM similar to /QM, but do not include system header files /QMG similar to /QM, but treat missing header files as generated files /QMD preprocess and compile, generating output file containing dependency information ending with extension .d /QMMD similar to /QMD, but do not include system header files /QMF<FILE> generate makefile dependency information in file (must specify /QM or /QMM) /QMT<TARGET> change the default target rule for dependency generation /QdM output macro definitions in effect after preprocessing (use with -E) /U<NAME> remove predefined macro /u remove all predefined macros /X remove standard directories from include file search path Component Control ----------------- /Qoption,<STR>,<OPTS> pass options <OPTS> to tool specified by <STR> /Qlocation,<STR>,<DIR> set <DIR> as the location of tool specified by <STR> Language -------- /J change default char type to unsigned /noBool disable 'bool' keyword /Qc99[-] enable/disable(default) C99 support for C programs /Qms<N> allow compilation of certain dubious sources n=0 disable Microsoft compatibility bugs n=1 enable most Microsoft compatibilities (DEFAULT) n=2 full Microsoft compatibility /Qmspp[-] enable(DEFAULT)/disable Microsoft Visual C++ 6.0 Processor Pack binary compatibility /Qvc6 enable Visual C++ 6.0 compatibility (DEFAULT) /Qvc7 enable Visual Studio .NET 2002 compatibility /Qvc7.1 enable Visual Studio .NET 2003 compatibility /Qrestrict[-] enable/disable the 'restrict' keyword for disambiguating pointers /Za disable Microsoft Visual C++ compiler language extensions /Ze enable Microsoft Visual C++ compiler language extensions (DEFAULT) /Zg enable the generation of function prototypes /Zp<N> specify alignment constraint for structures (n=1,2,4,8,16) /Zs check source syntax only, do not compile /Zc:arg1[,arg2] specify standard conformance for the following arguments: forScope enforce standard behavior for initializers of for loops wchar_t specify that wchar_t is a native data type /vd{0|1} disable or enable hidden vtordisp field in C++ objects /vm<X> specify representation method for C++ pointers to members Compiler Diagnostics -------------------- /w disable all warnings /W0 print only errors /W1, /W2, /W3 print only errors and warnings (DEFAULT) /W4, /Wall print errors, warnings, and remarks /WL print brief one-line diagnostics /WX force warnings to be reported as errors /Wcheck enable more strict diagnostics /Wport issue portability diagnostics /Qwn<N> print a maximum of n errors /Qwd<L1>[,<L2>,...] disable diagnostics L1 through LN /Qwe<L1>[,<L2>,...] change severity of diagnostics L1 through LN to error /Qww<L1>[,<L2>,...] change severity of diagnostics L1 through LN to warning /Qwr<L1>[,<L2>,...] change severity of diagnostics L1 through LN to remark Miscellaneous ------------- /?, /help print this help message /H<N> limit length of external symbols to n characters /nologo do not display compiler version information /Tc<FILE> compile file as C source /Tp<FILE> compile file as C++ source /TC compile all source or unrecognized file types as C source files /TP compile all source or unrecognized file types as C++ source files /V<TEXT> embed version text in executable /Qsox[-] enable/disable(DEFAULT) saving of compiler options and version in the executable /Qlong_double enable 80-bit 'long double' /Qnobss_init disable placement of zero-initialized variables in BSS (use DATA) /Qglobal-hoist[-] enable(DEFAULT)/disable external globals are load safe /showIncludes emit include file names Linking/Linker -------------- /link specify that all following options are for the linker /F<N> set the stack reserve amount specified to the linker /LD, /LDd produce a DLL instead of an EXE ('d' = debug version) /MD, /MDd use dynamically-loaded, multithread C runtime /ML, /MLd use statically-loaded, single thread C runtime (/ML is DEFAULT) /MT, /MTd use statically-loaded, multithread C runtime /Zl omit library names from object file Copyright (C) 1985-2005, Intel Corporation. All rights reserved. * Other brands and names are the property of their respective owners.</N></TEXT></FILE></FILE></N></L2></L1></L2></L1></L2></L1></L2></L1></N></X></N></N></STR></DIR></DIR></STR></STR></OPTS></OPTS></STR></NAME></TARGET></FILE></DIR></FILE></NAME></TEXT></NAME></FILE></N></NAME></NAME></FILE></N></X></F></D></N></N></N></N></CODES></CODES></CODES></CODES></CODES></N> Mon, 08 Aug 2016 17:27:41 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102799#M69356 SergeyKostrov 2016-08-08T17:27:41Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102800#M69357 <STRONG>Icl v12.1.x 32-bit Options</STRONG> Intel(R) C++ Compiler Help ========================== Intel(R) Compiler includes compiler options that optimize for instruction sets that are available in both Intel(R) and non-Intel microprocessors, but may perform additional optimizations for Intel microprocessors than for non-Intel microprocessors. In addition, certain compiler options for Intel(R) Compiler are reserved for Intel microprocessors. For a detailed description of these compiler options, including the instructions they implicate, please refer to "Intel(R) Compiler User and Reference Guides &gt; Compiler Options." usage: icl [options] file1 [file2 ...] [/link linker_options] where options represents zero or more compiler options fileN is a C/C++ source (.c .cc .cpp .cxx .i), assembly (.asm), object (.obj), static library (.lib), or other linkable file linker_options represents zero or more linker options Notes ----- 1. Most Microsoft* Visual C++* compiler options are supported; a warning is printed for most unsupported options. The precise behavior of performance options does not always match that of the Microsoft Visual C++ compiler. 2. Intel C++ compiler options may be placed in your icl.cfg file. 3. Most options beginning with /Q are specific to the Intel C++ compiler: (*I) indicates other options specific to the Intel C++ compiler (*M) indicates /Q options supported by the Microsoft Visual C++ compiler Compiler Option List -------------------- Optimization ------------ /O1 optimize for maximum speed, but disable some optimizations which increase code size for a small speed benefit /O2 optimize for maximum speed (DEFAULT) /O3 optimize for maximum speed and enable more aggressive optimizations that may not improve performance on some programs /Ox enable maximum optimizations (same as /O2) /Os enable speed optimizations, but disable some optimizations which increase code size for small speed benefit (overrides /Ot) /Ot enable speed optimizations (overrides /Os) /Od disable optimizations /Oi[-] enable/disable inline expansion of intrinsic functions /Oy[-] enable/disable using EBP as a general purpose register (no frame pointer) (i32 only) /fast enable /QxHOST /O3 /Qipo /Qprec-div- options set by /fast cannot be overridden with the exception of /QxHOST, list options separately to change behavior /Oa[-] assume no aliasing in program /Ow[-] assume no aliasing within functions, but assume aliasing across calls Code Generation --------------- /Qx<CODE> generate specialized code to run exclusively on processors indicated by <CODE> as described below SSE2 May generate Intel(R) SSE2 and SSE instructions for Intel processors. Optimizes for the Intel NetBurst(R) microarchitecture. SSE3 May generate Intel(R) SSE3, SSE2, and SSE instructions for Intel processors. Optimizes for the enhanced Pentium(R) M processor microarchitecture and Intel NetBurst(R) microarchitecture. SSSE3 May generate Intel(R) SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. Optimizes for the Intel(R) Core(TM) microarchitecture. SSE4.1 May generate Intel(R) SSE4 Vectorizing Compiler and Media Accelerator instructions for Intel processors. May generate Intel(R) SSSE3, SSE3, SSE2, and SSE instructions and it may optimize for Intel(R) 45nm Hi-k next generation Intel Core(TM) microarchitecture. SSE4.2 May generate Intel(R) SSE4 Efficient Accelerated String and Text Processing instructions supported by Intel(R) Core(TM) i7 processors. May generate Intel(R) SSE4 Vectorizing Compiler and Media Accelerator, Intel(R) SSSE3, SSE3, SSE2, and SSE instructions and it may optimize for the Intel(R) Core(TM) processor family. AVX May generate Intel(R) Advanced Vector Extensions (Intel(R) AVX), Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. Optimizes for a future Intel processor. CORE-AVX2 May generate Intel(R) Advanced Vector Extensions 2 (Intel(R) AVX2), Intel(R) AVX, SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. Optimizes for a future Intel processor. CORE-AVX-I May generate Intel(R) Advanced Vector Extensions (Intel(R) AVX), including instructions in Intel(R) Core 2(TM) processors in process technology smaller than 32nm, Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. Optimizes for a future Intel processor. SSSE3_ATOM May generate MOVBE instructions for Intel processors, depending on the setting of option /Qinstruction. May also generate Intel(R) SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. Optimizes for the Intel(R) Atom(TM) processor and Intel(R) Centrino(R) Atom(TM) Processor Technology. /QxHost generate instructions for the highest instruction set and processor available on the compilation host machine /Qax<CODE1>[,<CODE2>,...] generate code specialized for processors specified by <CODES> while also generating generic IA-32 instructions. <CODES> includes one or more of the following: SSE2 May generate Intel(R) SSE2 and SSE instructions for Intel processors. SSE3 May generate Intel(R) SSE3, SSE2, and SSE instructions for Intel processors. SSSE3 May generate Intel(R) SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. SSE4.1 May generate Intel(R) SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. SSE4.2 May generate Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. AVX May generate Intel(R) Advanced Vector Extensions (Intel(R) AVX), Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. CORE-AVX2 May generate Intel(R) Advanced Vector Extensions 2 (Intel(R) AVX2), Intel(R) AVX, SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. CORE-AVX-I May generate Intel(R) Advanced Vector Extensions (Intel(R) AVX), including instructions in Intel(R) Core 2(TM) processors in process technology smaller than 32nm, Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. /arch:<CODE> generate specialized code to optimize for processors indicated by <CODE> as described below SSE2 May generate Intel(R) SSE2 and SSE instructions SSE3 May generate Intel(R) SSE3, SSE2 and SSE instructions SSSE3 May generate Intel(R) SSSE3, SSE3, SSE2 and SSE instructions SSE4.1 May generate Intel(R) SSE4.1, SSSE3, SSE3, SSE2 and SSE instructions SSE4.2 May generate Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2 and SSE instructions AVX May generate Intel(R) AVX, SSE4.2, SSE4.1, SSSE3, SSE3, SSE2 and SSE instructions IA32 generate x86/x87 generic code that is compatible with IA-32 architecture. Disables any default extended instruction settings and any previously set extended instruction settings. SSE same as /arch:IA32 /Qinstruction:<KEYWORD> Refine instruction set output for the selected target processor [no]movbe - Do/do not generate MOVBE instructions with SSSE3_ATOM (requires /QxSSSE3_ATOM) /GR[-] enable/disable C++ RTTI /Qcxx-features enable standard C++ features (/GX /GR) /EHa enable asynchronous C++ exception handling model /EHs enable synchronous C++ exception handling model /EHc assume extern "C" functions do not throw exceptions /Qsafeseh[-] Registers exceptions for safe exception handling (DEFAULT) /Gd make __cdecl the default calling convention /Gr make __fastcall the default calling convention /Gz make __stdcall the default calling convention /Qregcall make __regcall the default calling convention /hotpatch[:n] generate padding bytes for function entries to enable image hotpatching. If specified, use 'n' as the padding. Interprocedural Optimization (IPO) ---------------------------------- /Qip[-] enable(DEFAULT)/disable single-file IP optimization within files /Qipo<N> enable multi-file IP optimization between files /Qipo-c generate a multi-file object file (ipo_out.obj) /Qipo-S generate a multi-file assembly file (ipo_out.asm) /Qip-no-inlining disable full and partial inlining /Qip-no-pinlining disable partial inlining /Qipo-separate create one object file for every source file (overrides /Qipo<N>) /Qipo-jobs<N> specify the number of jobs to be executed simultaneously during the IPO link phase Advanced Optimizations ---------------------- /Qunroll<N> set maximum number of times to unroll loops. Omit n to use default heuristics. Use n=0 to disable the loop unroller /Qunroll-aggressive[-] enables more aggressive unrolling heuristics /Qopt-args-in-regs:<KEYWORD> Determines whether calls to routines are optimized by passing arguments in registers instead of on the stack. keywords: none, seen(DEFAULT) /Qscalar-rep[-] enable(DEFAULT)/disable scalar replacement (requires /O3) /Qansi-alias[-] enable/disable(DEFAULT) use of ANSI aliasing rules optimizations; user asserts that the program adheres to these rules /Qansi-alias-check[-] enable(DEFAULT)/disable ANSI alias checking when using /Qansi-alias /Qcomplex-limited-range[-] enable/disable(DEFAULT) the use of the basic algebraic expansions of some complex arithmetic operations. This can allow for some performance improvement in programs which use a lot of complex arithmetic at the loss of some exponent range. /Qalias-const[-] enable/disable(DEFAULT) a heuristic stating that if two arguments to a function have pointer type, a pointer to const does not alias a pointer to non-const. Also known as the input/output buffer rule, it assumes that input and output buffer arguments do not overlap. /Qalias-args[-] enable(DEFAULT)/disable C/C++ rule that function arguments may be aliased; when disabling the rule, the user asserts that this is safe /Qopt-multi-version-aggressive[-] enables more aggressive multi-versioning to check for pointer aliasing and scalar replacement /Qopt-ra-region-strategy[:<KEYWORD>] select the method that the register allocator uses to partition each routine into regions routine - one region per routine block - one region per block trace - one region per trace loop - one region per loop default - compiler selects best option /Qvec[-] enables(DEFAULT)/disables vectorization /Qvec-guard-write[-] enables cache/bandwidth optimization for stores under conditionals within vector loops /Qvec-threshold<N> sets a threshold for the vectorization of loops based on the probability of profitable execution of the vectorized loop in parallel /Qopt-malloc-options:{0|1|2|3|4} specify malloc configuration parameters. Specifying a non-zero <N> value will cause alternate configuration parameters to be set for how malloc allocates and frees memory /Qopt-jump-tables:<ARG> control the generation of jump tables default - let the compiler decide when a jump table, a series of if-then-else constructs or a combination is generated large - generate jump tables up to a certain pre-defined size (64K entries) <N> - generate jump tables up to <N> in size use /Qopt-jump-tables- to lower switch statements as chains of if-then-else constructs /Qopt-block-factor:<N> specify blocking factor for loop blocking /Qfreestanding compile in a freestanding environment where the standard library may not be present /Qopt-streaming-stores:<ARG> specifies whether streaming stores are generated always - enables generation of streaming stores under the assumption that the application is memory bound auto - compiler decides when streaming stores are used (DEFAULT) never - disables generation of streaming stores /Qipp[:<ARG>] link some or all of the Intel(R) Integrated Performance Primitives (Intel(R) IPP) libraries and bring in the associated headers common - link using the main libraries set. This is the default value when /Qipp is specified crypto - link using the main libraries set and the crypto library gen - link using the main libraries set and the fixed size generated functions library /Qmkl[:<ARG>] link to the Intel(R) Math Kernel Library (Intel(R) MKL) and bring in the associated headers parallel - link using the threaded Intel(R) MKL libraries. This is the default when /Qmkl is specified sequential - link using the non-threaded Intel(R) MKL libraries cluster - link using the Intel(R) MKL Cluster libraries plus the sequential Intel(R) MKL libraries /Qtbb link to the Intel(R) Threading Building Blocks (Intel(R) TBB) libraries and bring in the associated headers /Qopt-subscript-in-range[-] assumes no overflows in the intermediate computation of the subscripts /Quse-intel-optimized-headers[-] take advantage of the optimized header files /Qcilk-serialize run a Cilk program as a C/C++ serialized program /Qvla[-] enable/disable(DEFAULT) Variable Length Arrays (C99 feature) /Qintel-extensions[-] enable(DEFAULT)/disable C/C++ language extensions such as array notation, Intel(R) Cilk(TM) Plus language extensions, and support for decimal floating-point types. /Qopt-matmul[-] replace matrix multiplication with calls to intrinsics and threading libraries for improved performance (DEFAULT at /O3 /Qparallel) /Qsimd[-] enables(DEFAULT)/disables vectorization using simd pragma /Qguide-opts:<ARG> tells the compiler to analyze certain code and generate recommendations that may improve optimizations /Qguide-file[:<FILENAME>] causes the results of guided auto-parallelization to be output to a file /Qguide-file-append[:<FILENAME>] causes the results of guided auto-parallelization to be appended to a file /Qguide[:<LEVEL>] lets you set a level (1 - 4) of guidance for auto-vectorization, auto-parallelization, and data transformation (DEFAULT is 4 when the option is specified) /Qguide-data-trans[:<LEVEL>] lets you set a level (1 - 4) of guidance for data transformation (DEFAULT is 4 when the option is specified) /Qguide-par[:<LEVEL>] lets you set a level (1 - 4) of guidance for auto-parallelization (DEFAULT is 4 when the option is specified) /Qguide-vec[:<LEVEL>] lets you set a level (1 - 4) of guidance for auto-vectorization (DEFAULT is 4 when the option is specified) /Qopt-mem-layout-trans[:<LEVEL>] controls the level of memory layout transformations performed by the compiler 0 - disable memory layout transformations (same as /Qopt-mem-layout-trans-) 1 - enable basic memory layout transformations 2 - enable more memory layout transformations (DEFAULT when the option is specified) 3 - enable aggressive memory layout transformations Profile Guided Optimization (PGO) --------------------------------- /Qprof-dir <DIR> specify directory for profiling output files (*.dyn and *.dpi) /Qprof-src-root <DIR> specify project root directory for application source files to enable relative path resolution during profile feedback on sources below that directory /Qprof-src-root-cwd specify the current directory as the project root directory for application source files to enable relative path resolution during profile feedback on sources below that directory /Qprof-src-dir[-] specify whether directory names of sources should be considered when looking up profile records within the .dpi file /Qprof-file <FILE> specify file name for profiling summary file /Qprof-data-order[-] enable/disable(DEFAULT) static data ordering with profiling /Qprof-func-order[-] enable/disable(DEFAULT) function ordering with profiling /Qprof-gen[:keyword] instrument program for profiling. Optional keyword may be srcpos or globdata /Qprof-gen- disable profiling instrumentation /Qprof-use[:<ARG>] enable use of profiling information during optimization weighted - invokes profmerge with -weighted option to scale data based on run durations [no]merge - enable(default)/disable the invocation of the profmerge tool /Qprof-use- disable use of profiling information during optimization /Qcov-gen instrument program for profiling /Qcov-dir <DIR> specify directory for profiling output files (*.dyn and *.dpi) /Qcov-file <FILE> specify file name for profiling summary file /Qfnsplit[-] enable/disable function splitting (enabled with /Qprof-use) /Qopt-prefetch[:n] enable levels of prefetch insertion, where 0 disables. n may be 0 through 4 inclusive. Default is 2. /Qopt-prefetch- disable(DEFAULT) prefetch insertion. Equivalent to /Qopt-prefetch:0 /Qinstrument-functions[-] determine whether function entry and exit points are instrumented /Qprof-hotness-threshold:<VAL> set the hotness threshold for function grouping and function ordering val indicates percentage of functions to be placed in hot region. This option requires /Qprof-use and /Qprof-func-order /Qprof-value-profiling:<ARG>[,<ARG>,...] limit value profiling none - inhibit all types of value profiling nodivide - inhibit value profiling of non-compile time constants used in division or remainder operations noindcall - inhibit value profiling of function addresses at indirect call sites /Qprofile-functions enable instrumentation in generated code for collecting function execution time profiles /Qprofile-loops:<ARG> enable instrumentation in generated code for collecting loop execution time profiles inner - instrument inner loops outer - instrument outer loops all - instrument all loops /Qprofile-loops-report:<ARG> Control the level of instrumentation inserted for reporting loop execution profiles 1 - report loop times 2 - report loop times and iteration counts Optimization Reports -------------------- /Qvec-report<N> control amount of vectorizer diagnostic information n=0 no diagnostic information n=1 indicate vectorized loops (DEFAULT when enabled) n=2 indicate vectorized/non-vectorized loops n=3 indicate vectorized/non-vectorized loops and prohibiting data dependence information n=4 indicate non-vectorized loops n=5 indicate non-vectorized loops and prohibiting data dependence information /Qopt-report[:n] generate an optimization report to stderr 0 disable optimization report output 1 minimum report output 2 medium output (DEFAULT when enabled) 3 maximum report output /Qopt-report-file:<FILE> specify the filename for the generated report /Qopt-report-phase:<PHASE> specify the phase that reports are generated against /Qopt-report-routine:<NAME> reports on routines containing the given name /Qopt-report-help display the optimization phases available for reporting /Qtcheck[:mode] enable analysis of threaded applications (requires Intel(R) Thread Checker; cannot be used with compiler alone) tci - instruments a program to perform a thread-count-independent analysis tcd - instruments a program to perform a thread-count-dependent analysis (DEFAULT when mode is not used) api - instruments a program at the api-imports level /Qtcollect[:<LIB>] inserts instrumentation probes calling the Intel(R) Trace Collector API. The library <LIB>.lib is linked in the default being VT.lib (requires Intel(R) Trace Collector) /Qtcollect-filter:file Enable or disable the instrumentation of specified functions. (requires Intel(R) Trace Collector) OpenMP* and Parallel Processing ------------------------------ /Qopenmp enable the compiler to generate multi-threaded code based on the OpenMP* directives (same as /openmp) /Qopenmp-stubs enables the user to compile OpenMP programs in sequential mode. The OpenMP directives are ignored and a stub OpenMP library is linked (sequential) /Qopenmp-report{0|1|2} control the OpenMP parallelizer diagnostic level /Qopenmp-lib:<VER> choose which OpenMP library version to link with compat - use the Microsoft compatible OpenMP run-time libraries (DEFAULT) /Qopenmp-task:<ARG> choose which OpenMP tasking model to support omp - support OpenMP 3.0 tasking (DEFAULT) intel - support Intel taskqueuing /Qopenmp-threadprivate:<VER> choose which threadprivate implementation to use compat - use the Microsoft compatible thread local storage legacy - use the Intel compatible implementation (DEFAULT) /Qparallel enable the auto-parallelizer to generate multi-threaded code for loops that can be safely executed in parallel /Qpar-report{0|1|2|3} control the auto-parallelizer diagnostic level /Qpar-threshold<N> set threshold for the auto-parallelization of loops where n is an integer from 0 to 100 /Qpar-runtime-control<N> Control parallelizer to generate runtime check code for effective automatic parallelization. n=0 no runtime check based auto-parallelization n=1 generate runtime check code under conservative mode (DEFAULT when enabled) n=2 generate runtime check code under heuristic mode n=3 generate runtime check code under aggressive mode /Qpar-schedule-static[:n] Specifies a scheduling algorithm for DO loop iteration. Divides iterations into contiguous pieces. Size n if specified, equal sized pieces if not. /Qpar-schedule-static_balanced[:n] Divides iterations into even-sized chunks. Size n if specified, equal sized pieces if not. /Qpar-schedule-static-steal[:n] Divides iterations into even-sized chunks, but allows threads to steal parts of chunks from neighboring threads /Qpar-schedule-dynamic[:n] Specifies a scheduling algorithm for DO loop iteration. Assigns iterations to threads in chunks dynamically. Chunk size is n iterations if specified, otherwise 1. /Qpar-schedule-guided[:n] Specifies a scheduling algorithm for DO loop iteration. Indicates a minimum number of iterations. If specified, n is the minimum number, otherwise 1. /Qpar-schedule-guided-analytical[:n] Divides iterations by using exponential distribution or dynamic distributions. /Qpar-schedule-runtime Specifies a scheduling algorithm for DO loop iteration. Defers the scheduling decision until runtime. /Qpar-schedule-auto Lets the compiler or run-time system determine the scheduling algorithm. /Qpar-adjust-stack<N> perform fiber-based main thread stack adjustment /Qpar-affinity=[<MODIFIER>,...]<TYPE>[,<PERMUTE>][,<OFFSET>] tune application performance by setting different thread affinity /Qpar-num-threads=<N> tune application performance by setting different number of threads /Qparallel-source-info[:n] enable(DEFAULT)/disable the emission of source location information for parallel code generation with OpenMP and auto-parallelization 0 - disable (same as /Qparallel-source-info-) 1 - emit routine name and line information (DEFAULT) 2 - emit path, file, routine name and line information Floating Point -------------- /fp:<NAME> enable <NAME> floating point model variation except[-] - enable/disable floating point semantics fast[=1|2] - enables more aggressive floating point optimizations precise - allows value-safe optimizations source - enables intermediates in source precision strict - enables /fp:precise /fp:except, disables contractions and enables pragma stdc fenv_access double - rounds intermediates in 53-bit (double) precision extended - rounds intermediates in 64-bit (extended) precision /Qfp-speculation:<MODE> enable floating point speculations with the following <MODE> conditions: fast - speculate floating point operations (DEFAULT) safe - speculate only when safe strict - same as off off - disables speculation of floating-point operations /Qpc32 set internal FPU precision to 24 bit significand /Qpc64 set internal FPU precision to 53 bit significand (DEFAULT) /Qpc80 set internal FPU precision to 64 bit significand /Qprec improve floating-point precision (speed impact less than /Op) /Qprec-sqrt[-] determine if certain square root optimizations are enabled /Qprec-div[-] improve precision of FP divides (some speed impact) /Qfast-transcendentals[-] generate a faster version of the transcendental functions /Qfp-port[-] round fp results at assignments and casts (some speed impact) /Qfp-stack-check enable fp stack checking after every function/procedure call /Qrcd rounding mode to enable fast float-to-int conversions /Qftz[-] enable/disable flush denormal results to zero /Qfma[-] enable/disable the combining of floating point multiplies and add/subtract operations /Qfp-trap:<ARG>[,<ARG>,...] control floating point traps at program start. <ARG> can be of the following values [no]divzero - [Do not] trap on division by zero [no]inexact - [Do not] trap on inexact result [no]invalid - [Do not] trap on invalid operation [no]overflow - [Do not] trap on overflow [no]underflow - [Do not] trap on underflow [no]denormal - [Do not] trap on denormal all - enable trap on all of the above none - trap on none of the above common - trap on most commonly used IEEE traps (invalid, division by zero, overflow) /Qfp-trap-all:<ARG>[,<ARG>,...] control floating point traps in every routine. <ARG> can be of the values specified in /Qfp-trap Inlining -------- /Ob<N> control inline expansion: n=0 disable inlining n=1 inline functions declared with __inline, and perform C++ inlining n=2 inline any function, at the compiler's discretion /Qinline-min-size:<N> set size limit for inlining small routines /Qinline-min-size- no size limit for inlining small routines /Qinline-max-size:<N> set size limit for inlining large routines /Qinline-max-size- no size limit for inlining large routines /Qinline-max-total-size:<N> maximum increase in size for inline function expansion /Qinline-max-total-size- no size limit for inline function expansion /Qinline-max-per-routine:<N> maximum number of inline instances in any function /Qinline-max-per-routine- no maximum number of inline instances in any function /Qinline-max-per-compile:<N> maximum number of inline instances in the current compilation /Qinline-max-per-compile- no maximum number of inline instances in the current compilation /Qinline-factor:<N> set inlining upper limits by n percentage /Qinline-factor- do not set set inlining upper limits /Qinline-forceinline treat inline routines as forceinline /Qinline-dllimport allow(DEFAULT)/disallow functions declared __declspec(dllimport) to be inlined /Qinline-calloc directs the compiler to inline calloc() calls as malloc()/memset() Output, Debug, PCH ------------------ /c compile to object (.obj) only, do not link /S compile to assembly (.asm) only, do not link /FAs produce assembly file with optional source annotations /FAc produce assembly file with optional code annotations /FA produce assembly file /Fa[file] name assembly file (or directory for multiple files; i.e. /FaMYDIR\) /Fo[file] name object file (or directory for multiple files; i.e. /FoMYDIR\) /Fe[file] name executable file or directory /Fp[file] name precompiled header file /Zi, /ZI, /Z7 produce symbolic debug information in object file (implies /Od when another optimization option is not explicitly set) /debug[:keyword] enable debug information and control output of enhanced debug information keywords: all, full, minimal, none, [no]inline-debug-info parallel [no]expr-source-pos /Qtrapuv trap uninitialized variables /RTCu report use of variable that was not initialized /RTC1 equivalent to /RTCsu /RTCs enable stack frame runtime checks /RTCc enable checks for converting to smaller types /Qmap-opts enable option mapping tool /Yc[file] create precompiled header file /Yu[file] use precompiled header file /Y- ignore all other precompiled header file options /Qpchi[-] enable(DEFAULT)/disable PCH coexistence, to reduce build time /FD generate file dependencies /FR[file] name extended source browser file Preprocessor ------------ /QA<NAME>[<VAL>] create an assertion <NAME> having value <VAL> /C do not strip comments /D<NAME>[{=|#}<TEXT>] define macro /U<NAME> remove predefined macro /E preprocess to stdout /EP preprocess to stdout, omitting #line directives /EP /P preprocess to file, omitting #line directives /P preprocess to file /u remove all predefined macros /FI<FILE> force inclusion of file /I<DIR> add directory to include file search path /X remove standard directories from include file search path /QH print include file order /QM generate makefile dependency information /QMM similar to /QM, but do not include system header files /QMG similar to /QM, but treat missing header files as generated files /QMD preprocess and compile, generating output file containing dependency information ending with extension .d /QMMD similar to /QMD, but do not include system header files /QMF<FILE> generate makefile dependency information in file (must specify /QM or /QMM) /QMT<TARGET> change the default target rule for dependency generation /QdM output macro definitions in effect after preprocessing (use with /E) /QdD same as /QdM, but output #define directives in preprocessed source /QdN same as /QdD, but #define directives contain only macro names Component Control ----------------- /Qoption,<TOOL>,<OPTS> pass options <OPTS> to tool specified by <TOOL> /Qlocation,<TOOL>,<DIR> set <DIR> as the location of tool specified by <TOOL> Language -------- /Qstd=<STD> enable language support for <STD>, as described below c99 enable C99 support for C programs c++0x enable preliminary support for some C++0x features /Za disable Microsoft Visual C++ compiler language extensions /Zg enable the generation of function prototypes /Zp<N> specify alignment constraint for structures where n=1,2,4,8,16. 16 is the default /Zc:arg1[,arg2] specify standard conformance for the following arguments: forScope[-] enforce standard compliance in for loop scope wchar_t[-] specify that wchar_t is a native data type auto[-] enforce compliance to the new standard meaning for auto /Zs perform syntax and semantic checking only (no object file produced) /vd{0|1} disable or enable hidden vtordisp field in C++ objects /vm<X> specify representation method for C++ pointers to members /J change default char type to unsigned /noBool suppresses the C++ bool, true, and false keywords /Qtemplate-depth<N> control the depth in which recursive templates are expanded /Qrestrict[-] enable/disable the 'restrict' keyword for disambiguating pointers /Qhelp-pragma output supported pragmas and their usage syntax Compiler Diagnostics -------------------- /w disable all warnings /W0 print only errors /W1, /W2, /W3 print only errors and warnings (DEFAULT) /W4, /Wall print errors, warnings and most remarks /W5 print all errors, warnings and remarks /WL print brief one-line diagnostics /WX force warnings to be reported as errors /Werror-all force warnings and currently enabled remarks to be reported as errors /Wcheck enable more strict diagnostics /Wport issue portability diagnostics /Qeffc++ enable effective C++ diagnostic warnings /Qwo<L1>[,<L2>,...] issue diagnostics L1 through LN only once /Wp64 print diagnostics for 64-bit porting /noerror-limit set no maximum number on error-level or fatal-level error messages /Qdiag-enable:<V1>[,<V2>,...] enable the specified diagnostics or diagnostic groups /Qdiag-disable:<V1>[,<V2>,...] disable the specified diagnostics or diagnostic groups where <VN> may be individual diagnostic numbers or group names. where group names include: sc<N> - perform source code analysis: n=1 for critical errors, n=2 for all errors and n=3 for all errors and warnings sc-include - perform source code analysis on include files sc-parallel<N> - perform analysis of parallelization in source code: n=1 for critical errors, n=2 for errors, n=3 for all errors and warnings thread - enable diagnostics to aid in thread-enabling source port-linux - enable diagnostics for Microsoft extensions that may cause errors when porting to Linux/MacOS warn - diagnostic messages that have "warning" severity level. error - diagnostic messages that have "error" severity level. remark - diagnostic messages that are remarks or comments. vec - diagnostic messages issued by the vectorizer. par - diagnostic messages issued by the auto-parallelizer openmp - diagnostic messages issued by the OpenMP* parallelizer. cpu-dispatch Specifies the CPU dispatch remarks. /Qdiag-error:<V1>[,<V2>,...] output the specified diagnostics or diagnostic groups as errors /Qdiag-warning:<V1>[,<V2>,...] output the specified diagnostics or diagnostic groups as warnings /Qdiag-remark:<V1>[,<V2>,...] output the the specified diagnostics or diagnostic groups as remarks /Qdiag-dump display the currently enabled diagnostic messages to stdout or to a specified diagnostic output file. /Qdiag-sc-dir:<DIR> <DIR> directory where diagnostics from Static security analysis are created, rather than current working directory. /Qdiag-file[:<FILE>] <FILE> where diagnostics are emitted to. Not specifying this causes messages to be output to stderr /Qdiag-file-append[:<FILE>] <FILE> where diagnostics are emitted to. When <FILE> already exists, output is appended to the file /Qdiag-id-numbers[-] enable(DEFAULT)/disable the diagnostic specifiers to be output in numeric form /Qdiag-error-limit:<NUM> specify the maximum number of errors emitted /Qdiag-once:<V1>[,<V2>,...] issue diagnostics v1 through vN only once Miscellaneous ------------- /nologo do not display compiler version information /Qsox[:<KEYWORD>[,keyword]] enable saving of compiler options, version and additional information in the executable. Use /Qsox- to disable(DEFAULT) profile - include profiling data inline - include inlining information /Qsave-temps store the intermediate files in current directory and name them based on the source file. Only saves files that are generated by default /Tc<FILE> compile file as C source /Tp<FILE> compile file as C++ source /TC<FILE> compile all source or unrecognized file types as C source files /TP<FILE> compile all source or unrecognized file types as C++ source files /showIncludes emit include file names /Qmultibyte-chars[-] provide support for multi-byte characters /MP[<N>] create multiple processes that can be used to compile large numbers of source files at the same time /bigobj generate objects with increased address capacity Data ---- /Zp<N> specify alignment constraint for structures (n=1,2,4,8,16 /Zp16 DEFAULT) /GS enable overflow security checks. /GS- disables (DEFAULT) /GF enable read-only string pooling optimization /GA optimize for Windows application (assume .exe) /GT enable fiber-safe thread local storage /Qsfalign8 may align stack for functions with 8 or 16 byte vars (DEFAULT) /Qsfalign16 may align stack for functions with 16 byte vars /Qsfalign force stack alignment for all functions /Qsfalign- disable stack alignment for all functions /Qfnalign[-] align the start of functions to an optimal machine-dependent value. When disabled (DEFAULT) align on a 2-byte boundary /Qfnalign:[2|16] align the start of functions on a 2 (DEFAULT) or 16 byte boundary /Qglobal-hoist[-] enable(DEFAULT)/disable external globals are load safe /Qkeep-static-consts[-] enable/disable(DEFAULT) emission of static const variables even when not referenced /Qlong-double enable 80-bit 'long double' /Qnobss-init disable placement of zero-initialized variables in BSS (use DATA) /Qzero-initialized-in-bss[-] put explicitly zero initialized variables into the DATA section instead of the BSS section /Qimf-absolute-error:value[:funclist] define the maximum allowable absolute error for math library function results /Qimf-accuracy-bits:bits[:funclist] define the relative error, measured by the number of correct bits, for math library function results /Qimf-arch-consistency:value[:funclist] ensures that the math library functions produce consistent results across different implementations of the same architecture /Qimf-max-error:ulps[:funclist] defines the maximum allowable relative error, measured in ulps, for math library function results /Qimf-precision:value[:funclist] defines the accuracy (precision) for math library functions Compatibility ------------- /Qms allow compilation of certain dubious sources n=0 disable Microsoft compatibility bugs n=1 enable most Microsoft compatibilities (DEFAULT) n=2 full Microsoft compatibility /Qvc<ARG> enable compatibility with a specific Microsoft Visual C++ version 8 - Visual Studio 2005 compatibility 9 - Visual Studio 2008 compatibility 10 - Visual Studio 2010 compatibility Linking/Linker -------------- /link specify that all options following '/link' are for the linker /F<N> set the stack reserve amount specified to the linker /LD<D> produce a DLL instead of an EXE ('d' = debug version) /MD<D> use dynamically-loaded, multithread C runtime /MT<D> use statically-linked, multithread C runtime (DEFAULT with Microsoft Visual Studio 2005 and later) /ML<D> use statically-linked, single thread C runtime (only valid in Microsoft Visual Studio 2003 environment) /Zl omit library names from object file Deprecated Options ------------------ /Qinline-debug-info use /debug:inline-debug-info /Gf use /GF /ML<D> upgrade to /MT<D> /Quse-asm No replacement /Qprof-genx use /Qprof-gen:srcpos /Qdiag-enable:sv[<N>] use /Qdiag-enable:sc[<N>] /Qdiag-enable:sv-include use /Qdiag-enable:sc-include /Qdiag-sv use /Qdiag-enable:sc[<N>] /Qdiag-sv-error use /Qdiag-disable:warning /Qdiag-sv-include use /Qdiag-enable:sc-include /Qdiag-sv-level No replacement /Qdiag-sv-sup use /Qdiag-disable:<V1>[,<V2>,...] /Qopenmp-link No replacement /Qopenmp-profile No replacement /Qtprofile No replacement /arch:SSE use /arch:IA32 /QxK upgrade to /arch:SSE2 /QaxK upgrade to /arch:SSE2 /QxW use /arch:SSE2 /QaxW use /arch:SSE2 /QxN use /QxSSE2 /QaxN use /QaxSSE2 /QxP use /QxSSE3 /QaxP use /QaxSSE3 /QxT use /QxSSSE3 /QaxT use /QaxSSSE3 /QxS use /QxSSE4.1 /QaxS use /QaxSSE4.1 /QxH use /QxSSE4.2 /QaxH use /QaxSSE4.2 /QxO use /arch:SSE3 /Qvc7.1 No replacement /QIfist use /Qrcd /QxSSE3_ATOM use /QxSSSE3_ATOM /Op use /fp:precise /Fr use /FR /GX use /EHsc /GZ use /RTC1 /H No replacement /QA- use /u /Qc99 use /Qstd=c99 /Qwn use /Qdiag-error-limit:<N> /Qwd use /Qdiag-disable /Qwe use /Qdiag-error /Qww use /Qdiag-warning /Qwr use /Qdiag-remark /Qwo use /Qdiag-once /Yd use /Zi, /ZI, /Z7 /Zd use /debug:minimal /Ze No replacement /Zg No replacement /help, /? [category] print full or category help message Valid categories include advanced - Advanced Optimizations codegen - Code Generation compatibility - Compatibility component - Component Control data - Data deprecated - Deprecated Options diagnostics - Compiler Diagnostics float - Floating Point help - Help inline - Inlining ipo - Interprocedural Optimization (IPO) language - Language link - Linking/Linker misc - Miscellaneous opt - Optimization output - Output pgo - Profile Guided Optimization (PGO) preproc - Preprocessor reports - Optimization Reports openmp - OpenMP and Parallel Processing Copyright (C) 1985-2012, Intel Corporation. All rights reserved. * Other names and brands may be claimed as the property of others.</N></V2></V1></N></N></N></D></D></D></D></D></D></N></ARG></N></N></FILE></FILE></FILE></FILE></KEYWORD></V2></V1></NUM></FILE></FILE></FILE></FILE></FILE></DIR></DIR></V2></V1></V2></V1></V2></V1></N></N></VN></V2></V1></V2></V1></L2></L1></N></X></N></STD></STD></TOOL></DIR></DIR></TOOL></TOOL></OPTS></OPTS></TOOL></TARGET></FILE></DIR></FILE></NAME></TEXT></NAME></VAL></NAME></VAL></NAME></N></N></N></N></N></N></N></ARG></ARG></ARG></ARG></ARG></ARG></MODE></MODE></NAME></NAME></N></OFFSET></PERMUTE></TYPE></MODIFIER></N></N></N></VER></ARG></VER></LIB></LIB></NAME></PHASE></FILE></N></ARG></ARG></ARG></ARG></VAL></FILE></DIR></ARG></FILE></DIR></DIR></LEVEL></LEVEL></LEVEL></LEVEL></LEVEL></FILENAME></FILENAME></ARG></ARG></ARG></ARG></N></N></N></ARG></N></N></KEYWORD></KEYWORD></N></N></N></N></KEYWORD></CODE></CODE></CODES></CODES></CODE2></CODE1></CODE></CODE> Mon, 08 Aug 2016 17:28:51 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102800#M69357 SergeyKostrov 2016-08-08T17:28:51Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102801#M69358 <STRONG>Icl v13.1.x 32-bit Options</STRONG> Intel(R) C++ Compiler Help ========================== Intel(R) Compiler includes compiler options that optimize for instruction sets that are available in both Intel(R) and non-Intel microprocessors, but may perform additional optimizations for Intel microprocessors than for non-Intel microprocessors. In addition, certain compiler options for Intel(R) Compiler are reserved for Intel microprocessors. For a detailed description of these compiler options, including the instructions they implicate, please refer to "Intel(R) Compiler User and Reference Guides &gt; Compiler Options." usage: icl [options] file1 [file2 ...] [/link linker_options] where options represents zero or more compiler options fileN is a C/C++ source (.c .cc .cpp .cxx .i), assembly (.asm), object (.obj), static library (.lib), or other linkable file linker_options represents zero or more linker options Notes ----- 1. Most Microsoft* Visual C++* compiler options are supported; a warning is printed for most unsupported options. The precise behavior of performance options does not always match that of the Microsoft Visual C++ compiler. 2. Intel C++ compiler options may be placed in your icl.cfg file. 3. Most options beginning with /Q are specific to the Intel C++ compiler: (*I) indicates other options specific to the Intel C++ compiler (*M) indicates /Q options supported by the Microsoft Visual C++ compiler Some options listed are only available on a specific system i32 indicates the feature is available on systems based on IA-32 architecture i64em indicates the feature is available on systems using Intel(R) 64 architecture Compiler Option List -------------------- Optimization ------------ /O1 optimize for maximum speed, but disable some optimizations which increase code size for a small speed benefit /O2 optimize for maximum speed (DEFAULT) /O3 optimize for maximum speed and enable more aggressive optimizations that may not improve performance on some programs /Ox enable maximum optimizations (same as /O2) /Os enable speed optimizations, but disable some optimizations which increase code size for small speed benefit (overrides /Ot) /Ot enable speed optimizations (overrides /Os) /Od disable optimizations /Oi[-] enable/disable inline expansion of intrinsic functions /Oy[-] enable/disable using EBP as a general purpose register (no frame pointer) (i32 only) /fast enable /QxHOST /O3 /Qipo /Qprec-div- options set by /fast cannot be overridden with the exception of /QxHOST, list options separately to change behavior /Oa[-] assume no aliasing in program /Ow[-] assume no aliasing within functions, but assume aliasing across calls Code Generation --------------- /Qx<CODE> generate specialized code to run exclusively on processors indicated by <CODE> as described below SSE2 May generate Intel(R) SSE2 and SSE instructions for Intel processors. Optimizes for the Intel NetBurst(R) microarchitecture. SSE3 May generate Intel(R) SSE3, SSE2, and SSE instructions for Intel processors. Optimizes for the enhanced Pentium(R) M processor microarchitecture and Intel NetBurst(R) microarchitecture. SSSE3 May generate Intel(R) SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. Optimizes for the Intel(R) Core(TM) microarchitecture. SSE4.1 May generate Intel(R) SSE4 Vectorizing Compiler and Media Accelerator instructions for Intel processors. May generate Intel(R) SSSE3, SSE3, SSE2, and SSE instructions and it may optimize for Intel(R) 45nm Hi-k next generation Intel Core(TM) microarchitecture. SSE4.2 May generate Intel(R) SSE4 Efficient Accelerated String and Text Processing instructions supported by Intel(R) Core(TM) i7 processors. May generate Intel(R) SSE4 Vectorizing Compiler and Media Accelerator, Intel(R) SSSE3, SSE3, SSE2, and SSE instructions and it may optimize for the Intel(R) Core(TM) processor family. AVX May generate Intel(R) Advanced Vector Extensions (Intel(R) AVX), Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. Optimizes for a future Intel processor. CORE-AVX2 May generate Intel(R) Advanced Vector Extensions 2 (Intel(R) AVX2), Intel(R) AVX, SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. Optimizes for a future Intel processor. CORE-AVX-I May generate Intel(R) Advanced Vector Extensions (Intel(R) AVX), including instructions in Intel(R) Core 2(TM) processors in process technology smaller than 32nm, Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. Optimizes for a future Intel processor. SSSE3_ATOM May generate MOVBE instructions for Intel processors, depending on the setting of option /Qinstruction. May also generate Intel(R) SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. Optimizes for the Intel(R) Atom(TM) processor and Intel(R) Centrino(R) Atom(TM) Processor Technology. /QxHost generate instructions for the highest instruction set and processor available on the compilation host machine /Qax<CODE1>[,<CODE2>,...] generate code specialized for processors specified by <CODES> while also generating generic IA-32 instructions. <CODES> includes one or more of the following: SSE2 May generate Intel(R) SSE2 and SSE instructions for Intel processors. SSE3 May generate Intel(R) SSE3, SSE2, and SSE instructions for Intel processors. SSSE3 May generate Intel(R) SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. SSE4.1 May generate Intel(R) SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. SSE4.2 May generate Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. AVX May generate Intel(R) Advanced Vector Extensions (Intel(R) AVX), Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. CORE-AVX2 May generate Intel(R) Advanced Vector Extensions 2 (Intel(R) AVX2), Intel(R) AVX, SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. CORE-AVX-I May generate Intel(R) Advanced Vector Extensions (Intel(R) AVX), including instructions in Intel(R) Core 2(TM) processors in process technology smaller than 32nm, Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. /arch:<CODE> generate specialized code to optimize for processors indicated by <CODE> as described below SSE2 May generate Intel(R) SSE2 and SSE instructions SSE3 May generate Intel(R) SSE3, SSE2 and SSE instructions SSSE3 May generate Intel(R) SSSE3, SSE3, SSE2 and SSE instructions SSE4.1 May generate Intel(R) SSE4.1, SSSE3, SSE3, SSE2 and SSE instructions SSE4.2 May generate Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2 and SSE instructions AVX May generate Intel(R) AVX, SSE4.2, SSE4.1, SSSE3, SSE3, SSE2 and SSE instructions IA32 generate x86/x87 generic code that is compatible with IA-32 architecture. Disables any default extended instruction settings and any previously set extended instruction settings. SSE same as /arch:IA32 /Qinstruction:<KEYWORD> Refine instruction set output for the selected target processor [no]movbe - Do/do not generate MOVBE instructions with SSSE3_ATOM (requires /QxSSSE3_ATOM) /GR[-] enable/disable C++ RTTI /Qcxx-features enable standard C++ features (/GX /GR) /EHa enable asynchronous C++ exception handling model /EHs enable synchronous C++ exception handling model /EHc assume extern "C" functions do not throw exceptions /Qsafeseh[-] Registers exceptions for safe exception handling (DEFAULT) /Gd make __cdecl the default calling convention /Gr make __fastcall the default calling convention /Gz make __stdcall the default calling convention /Qregcall make __regcall the default calling convention /hotpatch[:n] generate padding bytes for function entries to enable image hotpatching. If specified, use 'n' as the padding. /Qextend-arguments:[32|64] By default, unprototyped scalar integer arguments are passed in 32-bits (sign-extended if necessary). On Intel(R) 64, unprototyped scalar integer arguments may be extended to 64-bits. Interprocedural Optimization (IPO) ---------------------------------- /Qip[-] enable(DEFAULT)/disable single-file IP optimization within files /Qipo<N> enable multi-file IP optimization between files /Qipo-c generate a multi-file object file (ipo_out.obj) /Qipo-S generate a multi-file assembly file (ipo_out.asm) /Qip-no-inlining disable full and partial inlining /Qip-no-pinlining disable partial inlining /Qipo-separate create one object file for every source file (overrides /Qipo<N>) /Qipo-jobs<N> specify the number of jobs to be executed simultaneously during the IPO link phase Advanced Optimizations ---------------------- /Qunroll<N> set maximum number of times to unroll loops. Omit n to use default heuristics. Use n=0 to disable the loop unroller /Qunroll-aggressive[-] enables more aggressive unrolling heuristics /Qopt-args-in-regs:<KEYWORD> Determines whether calls to routines are optimized by passing arguments in registers instead of on the stack. keywords: none, seen(DEFAULT), all(Linux only) /Qscalar-rep[-] enable(DEFAULT)/disable scalar replacement (requires /O3) /Qansi-alias[-] enable/disable(DEFAULT) use of ANSI aliasing rules optimizations; user asserts that the program adheres to these rules /Qansi-alias-check[-] enable(DEFAULT)/disable ANSI alias checking when using /Qansi-alias /Qcomplex-limited-range[-] enable/disable(DEFAULT) the use of the basic algebraic expansions of some complex arithmetic operations. This can allow for some performance improvement in programs which use a lot of complex arithmetic at the loss of some exponent range. /Qalias-const[-] enable/disable(DEFAULT) a heuristic stating that if two arguments to a function have pointer type, a pointer to const does not alias a pointer to non-const. Also known as the input/output buffer rule, it assumes that input and output buffer arguments do not overlap. /Qalias-args[-] enable(DEFAULT)/disable C/C++ rule that function arguments may be aliased; when disabling the rule, the user asserts that this is safe /Qopt-multi-version-aggressive[-] enables more aggressive multi-versioning to check for pointer aliasing and scalar replacement /Qopt-ra-region-strategy[:<KEYWORD>] select the method that the register allocator uses to partition each routine into regions routine - one region per routine block - one region per block trace - one region per trace loop - one region per loop default - compiler selects best option /Qvec[-] enables(DEFAULT)/disables vectorization /Qvec-guard-write[-] enables cache/bandwidth optimization for stores under conditionals within vector loops /Qvec-threshold<N> sets a threshold for the vectorization of loops based on the probability of profitable execution of the vectorized loop in parallel /Qopt-malloc-options:{0|1|2|3|4} specify malloc configuration parameters. Specifying a non-zero <N> value will cause alternate configuration parameters to be set for how malloc allocates and frees memory /Qopt-jump-tables:<ARG> control the generation of jump tables default - let the compiler decide when a jump table, a series of if-then-else constructs or a combination is generated large - generate jump tables up to a certain pre-defined size (64K entries) <N> - generate jump tables up to <N> in size use /Qopt-jump-tables- to lower switch statements as chains of if-then-else constructs /Qopt-block-factor:<N> specify blocking factor for loop blocking /Qfreestanding compile in a freestanding environment where the standard library may not be present /Qopt-streaming-stores:<ARG> specifies whether streaming stores are generated always - enables generation of streaming stores under the assumption that the application is memory bound auto - compiler decides when streaming stores are used (DEFAULT) never - disables generation of streaming stores /Qipp[:<ARG>] link some or all of the Intel(R) Integrated Performance Primitives (Intel(R) IPP) libraries and bring in the associated headers common - link using the main libraries set. This is the default value when /Qipp is specified crypto - link using the main libraries set and the crypto library gen - link using the main libraries set and the fixed size generated functions library /Qipp-link:<ARG> choose whether to link with static or dynamic libraries to support Intel(R) Integrated Performance Primitives (Intel(R) IPP) dynamic - link using the dynamic libraries set. This is the default value when /Qipp is specified on Windows static - link using the static libraries set. This is the default value when /Qipp is specified on Linux static_thread - link using the optional threaded libraries set Note: these are provided in a separate install kit /Qmkl[:<ARG>] link to the Intel(R) Math Kernel Library (Intel(R) MKL) and bring in the associated headers parallel - link using the threaded Intel(R) MKL libraries. This is the default when /Qmkl is specified sequential - link using the non-threaded Intel(R) MKL libraries cluster - link using the Intel(R) MKL Cluster libraries plus the sequential Intel(R) MKL libraries /Qtbb link to the Intel(R) Threading Building Blocks (Intel(R) TBB) libraries and bring in the associated headers /Qopt-subscript-in-range[-] assumes no overflows in the intermediate computation of the subscripts /Quse-intel-optimized-headers[-] take advantage of the optimized header files /Qcilk-serialize run a Cilk program as a C/C++ serialized program /Qvla[-] enable/disable(DEFAULT) Variable Length Arrays (C99 feature) /Qintel-extensions[-] enable(DEFAULT)/disable C/C++ language extensions such as array notation, Intel(R) Cilk(TM) Plus language extensions, and support for decimal floating-point types. /Qopt-matmul[-] replace matrix multiplication with calls to intrinsics and threading libraries for improved performance (DEFAULT at /O3 /Qparallel) /Qsimd[-] enables(DEFAULT)/disables vectorization using simd pragma /Qguide-opts:<ARG> tells the compiler to analyze certain code and generate recommendations that may improve optimizations /Qguide-file[:<FILENAME>] causes the results of guide to be output to a file /Qguide-file-append[:<FILENAME>] causes the results of guide to be appended to a file /Qguide[:<LEVEL>] lets you set a level (1 - 4) of guidance for auto-vectorization, auto-parallelization, and data transformation (DEFAULT is 4 when the option is specified) /Qguide-data-trans[:<LEVEL>] lets you set a level (1 - 4) of guidance for data transformation (DEFAULT is 4 when the option is specified) /Qguide-par[:<LEVEL>] lets you set a level (1 - 4) of guidance for auto-parallelization (DEFAULT is 4 when the option is specified) /Qguide-vec[:<LEVEL>] lets you set a level (1 - 4) of guidance for auto-vectorization (DEFAULT is 4 when the option is specified) /Qguide-profile:&lt;[file|dir]&gt;[,[file|dir],...] specify a loop profiler data file (or set of files in a directory) when using the /Qguide option /Qopt-mem-layout-trans[:<LEVEL>] controls the level of memory layout transformations performed by the compiler 0 - disable memory layout transformations (same as /Qopt-mem-layout-trans-) 1 - enable basic memory layout transformations 2 - enable more memory layout transformations (DEFAULT when the option is specified) 3 - enable aggressive memory layout transformations /Qopt-prefetch[:n] enable levels of prefetch insertion, where 0 disables. n may be 0 through 4 inclusive. Default is 2. /Qopt-prefetch- disable(DEFAULT) prefetch insertion. Equivalent to /Qopt-prefetch:0 Profile Guided Optimization (PGO) --------------------------------- /Qprof-dir <DIR> specify directory for profiling output files (*.dyn and *.dpi) /Qprof-src-root <DIR> specify project root directory for application source files to enable relative path resolution during profile feedback on sources below that directory /Qprof-src-root-cwd specify the current directory as the project root directory for application source files to enable relative path resolution during profile feedback on sources below that directory /Qprof-src-dir[-] specify whether directory names of sources should be considered when looking up profile records within the .dpi file /Qprof-file <FILE> specify file name for profiling summary file /Qprof-data-order[-] enable/disable(DEFAULT) static data ordering with profiling /Qprof-func-order[-] enable/disable(DEFAULT) function ordering with profiling /Qprof-gen[:keyword] instrument program for profiling. Optional keyword may be srcpos or globdata /Qprof-gen- disable profiling instrumentation /Qprof-use[:<ARG>] enable use of profiling information during optimization weighted - invokes profmerge with -weighted option to scale data based on run durations [no]merge - enable(default)/disable the invocation of the profmerge tool /Qprof-use- disable use of profiling information during optimization /Qcov-gen instrument program for profiling /Qcov-dir <DIR> specify directory for profiling output files (*.dyn and *.dpi) /Qcov-file <FILE> specify file name for profiling summary file /Qfnsplit[-] enable/disable function splitting (enabled with /Qprof-use) /Qinstrument-functions[-] determine whether function entry and exit points are instrumented /Qprof-hotness-threshold:<VAL> set the hotness threshold for function grouping and function ordering val indicates percentage of functions to be placed in hot region. This option requires /Qprof-use and /Qprof-func-order /Qprof-value-profiling:<ARG>[,<ARG>,...] limit value profiling none - inhibit all types of value profiling nodivide - inhibit value profiling of non-compile time constants used in division or remainder operations noindcall - inhibit value profiling of function addresses at indirect call sites /Qprofile-functions enable instrumentation in generated code for collecting function execution time profiles /Qprofile-loops:<ARG> enable instrumentation in generated code for collecting loop execution time profiles inner - instrument inner loops outer - instrument outer loops all - instrument all loops /Qprofile-loops-report:<ARG> Control the level of instrumentation inserted for reporting loop execution profiles 1 - report loop times 2 - report loop times and iteration counts Optimization Reports -------------------- /Qvec-report<N> control amount of vectorizer diagnostic information n=0 no diagnostic information n=1 indicate vectorized loops (DEFAULT when enabled) n=2 indicate vectorized/non-vectorized loops n=3 indicate vectorized/non-vectorized loops and prohibiting data dependence information n=4 indicate non-vectorized loops n=5 indicate non-vectorized loops and prohibiting data dependence information n=6 indicate vectorized/non-vectorized loops with greater details and prohibiting data dependence information n=7 indicate vector code quality message ids and data values for vectorized loops /Qopt-report[:n] generate an optimization report to stderr 0 disable optimization report output 1 minimum report output 2 medium output (DEFAULT when enabled) 3 maximum report output /Qopt-report-file:<FILE> specify the filename for the generated report /Qopt-report-phase:<PHASE> specify the phase that reports are generated against /Qopt-report-routine:<NAME> reports on routines containing the given name /Qopt-report-help display the optimization phases available for reporting /Qtcheck[:mode] enable analysis of threaded applications (requires Intel(R) Thread Checker; cannot be used with compiler alone) tci - instruments a program to perform a thread-count-independent analysis tcd - instruments a program to perform a thread-count-dependent analysis (DEFAULT when mode is not used) api - instruments a program at the api-imports level /Qtcollect[:<LIB>] inserts instrumentation probes calling the Intel(R) Trace Collector API. The library <LIB>.lib is linked in the default being VT.lib (requires Intel(R) Trace Collector) /Qtcollect-filter:file Enable or disable the instrumentation of specified functions. (requires Intel(R) Trace Collector) OpenMP* and Parallel Processing ------------------------------ /Qopenmp enable the compiler to generate multi-threaded code based on the OpenMP* directives (same as /openmp) /Qopenmp-stubs enables the user to compile OpenMP programs in sequential mode. The OpenMP directives are ignored and a stub OpenMP library is linked (sequential) /Qopenmp-report{0|1|2} control the OpenMP parallelizer diagnostic level /Qopenmp-lib:<VER> choose which OpenMP library version to link with compat - use the Microsoft compatible OpenMP run-time libraries (DEFAULT) /Qopenmp-task:<ARG> choose which OpenMP tasking model to support omp - support OpenMP 3.0 tasking (DEFAULT) intel - support Intel taskqueuing /Qopenmp-threadprivate:<VER> choose which threadprivate implementation to use compat - use the Microsoft compatible thread local storage legacy - use the Intel compatible implementation (DEFAULT) /Qparallel enable the auto-parallelizer to generate multi-threaded code for loops that can be safely executed in parallel /Qpar-report{0|1|2|3} control the auto-parallelizer diagnostic level /Qpar-threshold<N> set threshold for the auto-parallelization of loops where n is an integer from 0 to 100 /Qpar-runtime-control<N> Control parallelizer to generate runtime check code for effective automatic parallelization. n=0 no runtime check based auto-parallelization n=1 generate runtime check code under conservative mode (DEFAULT when enabled) n=2 generate runtime check code under heuristic mode n=3 generate runtime check code under aggressive mode /Qpar-schedule-static[:n] Specifies a scheduling algorithm for DO loop iteration. Divides iterations into contiguous pieces. Size n if specified, equal sized pieces if not. /Qpar-schedule-static_balanced[:n] Divides iterations into even-sized chunks. Size n if specified, equal sized pieces if not. /Qpar-schedule-static-steal[:n] Divides iterations into even-sized chunks, but allows threads to steal parts of chunks from neighboring threads /Qpar-schedule-dynamic[:n] Specifies a scheduling algorithm for DO loop iteration. Assigns iterations to threads in chunks dynamically. Chunk size is n iterations if specified, otherwise 1. /Qpar-schedule-guided[:n] Specifies a scheduling algorithm for DO loop iteration. Indicates a minimum number of iterations. If specified, n is the minimum number, otherwise 1. /Qpar-schedule-guided-analytical[:n] Divides iterations by using exponential distribution or dynamic distributions. /Qpar-schedule-runtime Specifies a scheduling algorithm for DO loop iteration. Defers the scheduling decision until runtime. /Qpar-schedule-auto Lets the compiler or run-time system determine the scheduling algorithm. /Qpar-adjust-stack<N> perform fiber-based main thread stack adjustment /Qpar-affinity=[<MODIFIER>,...]<TYPE>[,<PERMUTE>][,<OFFSET>] tune application performance by setting different thread affinity /Qpar-num-threads=<N> tune application performance by setting different number of threads /Qparallel-source-info[:n] enable(DEFAULT)/disable the emission of source location information for parallel code generation with OpenMP and auto-parallelization 0 - disable (same as /Qparallel-source-info-) 1 - emit routine name and line information (DEFAULT) 2 - emit path, file, routine name and line information /Qpar same as /Qparallel Floating Point -------------- /fp:<NAME> enable <NAME> floating point model variation except[-] - enable/disable floating point semantics fast[=1|2] - enables more aggressive floating point optimizations precise - allows value-safe optimizations source - enables intermediates in source precision strict - enables /fp:precise /fp:except, disables contractions and enables pragma stdc fenv_access double - rounds intermediates in 53-bit (double) precision extended - rounds intermediates in 64-bit (extended) precision /Qfp-speculation:<MODE> enable floating point speculations with the following <MODE> conditions: fast - speculate floating point operations (DEFAULT) safe - speculate only when safe strict - same as off off - disables speculation of floating-point operations /Qpc32 set internal FPU precision to 24 bit significand /Qpc64 set internal FPU precision to 53 bit significand (DEFAULT) /Qpc80 set internal FPU precision to 64 bit significand /Qprec improve floating-point precision (speed impact less than /Op) /Qprec-sqrt[-] determine if certain square root optimizations are enabled /Qprec-div[-] improve precision of FP divides (some speed impact) /Qfast-transcendentals[-] generate a faster version of the transcendental functions /Qfp-port[-] round fp results at assignments and casts (some speed impact) /Qfp-stack-check enable fp stack checking after every function/procedure call /Qrcd rounding mode to enable fast float-to-int conversions /Qftz[-] enable/disable flush denormal results to zero /Qfma[-] enable/disable the combining of floating point multiplies and add/subtract operations /Qfp-trap:<ARG>[,<ARG>,...] control floating point traps at program start. <ARG> can be of the following values [no]divzero - [Do not] trap on division by zero [no]inexact - [Do not] trap on inexact result [no]invalid - [Do not] trap on invalid operation [no]overflow - [Do not] trap on overflow [no]underflow - [Do not] trap on underflow [no]denormal - [Do not] trap on denormal all - enable trap on all of the above none - trap on none of the above common - trap on most commonly used IEEE traps (invalid, division by zero, overflow) /Qfp-trap-all:<ARG>[,<ARG>,...] control floating point traps in every routine. <ARG> can be of the values specified in /Qfp-trap Inlining -------- /Ob<N> control inline expansion: n=0 disable inlining n=1 inline functions declared with __inline, and perform C++ inlining n=2 inline any function, at the compiler's discretion /Qinline-min-size:<N> set size limit for inlining small routines /Qinline-min-size- no size limit for inlining small routines /Qinline-max-size:<N> set size limit for inlining large routines /Qinline-max-size- no size limit for inlining large routines /Qinline-max-total-size:<N> maximum increase in size for inline function expansion /Qinline-max-total-size- no size limit for inline function expansion /Qinline-max-per-routine:<N> maximum number of inline instances in any function /Qinline-max-per-routine- no maximum number of inline instances in any function /Qinline-max-per-compile:<N> maximum number of inline instances in the current compilation /Qinline-max-per-compile- no maximum number of inline instances in the current compilation /Qinline-factor:<N> set inlining upper limits by n percentage /Qinline-factor- do not set set inlining upper limits /Qinline-forceinline treat inline routines as forceinline /Qinline-dllimport allow(DEFAULT)/disallow functions declared __declspec(dllimport) to be inlined /Qinline-calloc directs the compiler to inline calloc() calls as malloc()/memset() Output, Debug, PCH ------------------ /c compile to object (.obj) only, do not link /S compile to assembly (.asm) only, do not link /FAs produce assembly file with optional source annotations /FAc produce assembly file with optional code annotations /FA produce assembly file /Fa[file] name assembly file (or directory for multiple files; i.e. /FaMYDIR\) /Fo[file] name object file (or directory for multiple files; i.e. /FoMYDIR\) /Fe[file] name executable file or directory /Fp[file] name precompiled header file /Zi, /ZI, /Z7 produce symbolic debug information in object file (implies /Od when another optimization option is not explicitly set) /debug[:keyword] enable debug information and control output of enhanced debug information keywords: all, full, minimal, none, [no]inline-debug-info [no]expr-source-pos /Qtrapuv trap uninitialized variables /RTCu report use of variable that was not initialized /RTC1 equivalent to /RTCsu /RTCs enable stack frame runtime checks /RTCc enable checks for converting to smaller types /Qmap-opts enable option mapping tool /Yc[file] create precompiled header file /Yu[file] use precompiled header file /Y- ignore all other precompiled header file options /Qpchi[-] enable(DEFAULT)/disable PCH coexistence, to reduce build time /FD generate file dependencies /FR[file] name extended source browser file /Qcheck-pointers:<ARG> Specifies what type of bounds checking occurs. Possible values are: none - Disables bounds checking. This is the default. rw - Checks bounds for reads and writes through pointers. write - Checks bounds for writes through pointers only. This switch is only valid with Intel(R) Parallel Studio XE /Qcheck-pointers-dangling:<ARG> Specifies what type of dangling pointer checking occurs. Possible values are: none - Disables dangling pointer checking. This is the default. heap - Check dangling references on heap. stack - Check dangling references on stack. all - Check dangling references on both heap and stack. This switch is only valid with Intel(R) Parallel Studio XE /Qcheck-pointers-undimensioned[-] Bounds checking occurs for memory access through arrays that are declared without dimensions. This checking occurs for both dimensioned and undimensioned arrays. This switch is only valid with Intel(R) Parallel Studio XE Preprocessor ------------ /QA<NAME>[<VAL>] create an assertion <NAME> having value <VAL> /C do not strip comments /D<NAME>[{=|#}<TEXT>] define macro /U<NAME> remove predefined macro /E preprocess to stdout /EP preprocess to stdout, omitting #line directives /EP /P preprocess to file, omitting #line directives /P preprocess to file /u remove all predefined macros /FI<FILE> force inclusion of file /I<DIR> add directory to include file search path /X remove standard directories from include file search path /QH print include file order /QM generate makefile dependency information /QMM similar to /QM, but do not include system header files /QMG similar to /QM, but treat missing header files as generated files /QMD preprocess and compile, generating output file containing dependency information ending with extension .d /QMMD similar to /QMD, but do not include system header files /QMF<FILE> generate makefile dependency information in file (must specify /QM or /QMM) /QMT<TARGET> change the default target rule for dependency generation /QdM output macro definitions in effect after preprocessing (use with /E) /QdD same as /QdM, but output #define directives in preprocessed source /QdN same as /QdD, but #define directives contain only macro names Component Control ----------------- /Qoption,<TOOL>,<OPTS> pass options <OPTS> to tool specified by <TOOL> /Qlocation,<TOOL>,<DIR> set <DIR> as the location of tool specified by <TOOL> Language -------- /Qstd=<STD> enable language support for <STD>, as described below c99 enable C99 support for C programs c++11 enable C++11 experimental support for C++ programs c++0x same as c++11 /Za disable Microsoft Visual C++ compiler language extensions /Zg enable the generation of function prototypes /Zp<N> specify alignment constraint for structures where n=1,2,4,8,16. 16 is the default /Zc:arg1[,arg2] specify standard conformance for the following arguments: forScope[-] enforce standard compliance in for loop scope wchar_t[-] specify that wchar_t is a native data type auto[-] enforce compliance to the new standard meaning for auto /Zs perform syntax and semantic checking only (no object file produced) /vd{0|1} disable or enable hidden vtordisp field in C++ objects /vm<X> specify representation method for C++ pointers to members /J change default char type to unsigned /noBool suppresses the C++ bool, true, and false keywords /Qtemplate-depth<N> control the depth in which recursive templates are expanded /Qrestrict[-] enable/disable the 'restrict' keyword for disambiguating pointers /Qhelp-pragma output supported pragmas and their usage syntax /check:<KEYWORD>[,<KEYWORD>,...] check run-time conditions. keywords: [no]conversions, [no]stack, [no]uninit Compiler Diagnostics -------------------- /w disable all warnings /W0 print only errors /W1, /W2, /W3 print only errors and warnings (DEFAULT) /W4, /Wall print errors, warnings and most remarks /W5 print all errors, warnings and remarks /WL print brief one-line diagnostics /WX force warnings to be reported as errors /Werror-all force warnings and currently enabled remarks to be reported as errors /Wcheck enable more strict diagnostics /Wport issue portability diagnostics /Qeffc++ enable effective C++ diagnostic warnings /Qwo<L1>[,<L2>,...] issue diagnostics L1 through LN only once /Wp64 print diagnostics for 64-bit porting /Qdiag-enable:<V1>[,<V2>,...] enable the specified diagnostics or diagnostic groups /Qdiag-disable:<V1>[,<V2>,...] disable the specified diagnostics or diagnostic groups where <VN> may be individual diagnostic numbers or group names. where group names include: sc<N> - perform source code analysis: n=1 for critical errors, n=2 for all errors and n=3 for all errors and warnings sc- {full|concise|precise} - perform static analysis and determine the analysis mode. Full mode - attempts to find all program weaknesses, even at the expense of more false positives. Concise mode - attempts to reduce false positives somewhat more than reducing false negatives. Precise mode - attempts to avoid all false positives Default: full if /Qdiag-enable:sc{[1|2|3]} is present; otherwise None (static analysis diagnostics are disabled). sc-include - perform source code analysis on include files sc-single-file - This option tells static analysis to process each file individually. Default: OFF sc-enums - This option tells static analysis to treat enumeration variables as known values equal to any one of the associated enumeration literals. Default: OFF sc-parallel<N> - perform analysis of parallelization in source code: n=1 for critical errors, n=2 for errors, n=3 for all errors and warnings thread - enable diagnostics to aid in thread-enabling source port-linux - enable diagnostics for Microsoft extensions that may cause errors when porting to Linux/MacOS warn - diagnostic messages that have "warning" severity level. error - diagnostic messages that have "error" severity level. remark - diagnostic messages that are remarks or comments. vec - diagnostic messages issued by the vectorizer. par - diagnostic messages issued by the auto-parallelizer openmp - diagnostic messages issued by the OpenMP* parallelizer. cpu-dispatch Specifies the CPU dispatch remarks. /Qdiag-error:<V1>[,<V2>,...] output the specified diagnostics or diagnostic groups as errors /Qdiag-warning:<V1>[,<V2>,...] output the specified diagnostics or diagnostic groups as warnings /Qdiag-remark:<V1>[,<V2>,...] output the the specified diagnostics or diagnostic groups as remarks /Qdiag-dump display the currently enabled diagnostic messages to stdout or to a specified diagnostic output file. /Qdiag-sc-dir:<DIR> <DIR> directory where diagnostics from static analysis are created, rather than current working directory. /Qdiag-file[:<FILE>] <FILE> where diagnostics are emitted to. Not specifying this causes messages to be output to stderr /Qdiag-file-append[:<FILE>] <FILE> where diagnostics are emitted to. When <FILE> already exists, output is appended to the file /Qdiag-id-numbers[-] enable(DEFAULT)/disable the diagnostic specifiers to be output in numeric form /Qdiag-error-limit:<NUM> specify the maximum number of errors emitted /Qdiag-once:<V1>[,<V2>,...] issue diagnostics v1 through vN only once /Wpch-messages[-] enable(DEFAULT)/disable PCH information messages Miscellaneous ------------- /nologo do not display compiler version information /Qsox[:<KEYWORD>[,keyword]] enable saving of compiler options, version and additional information in the executable. Use /Qsox- to disable(DEFAULT) profile - include profiling data inline - include inlining information /Qsave-temps store the intermediate files in current directory and name them based on the source file. Only saves files that are generated by default /watch:<KEYWORD> tells the driver to output processing information keywords: all, none (same as /nowatch), [no]source, [no]cmd /nowatch suppress processing information output (DEFAULT) /Tc<FILE> compile file as C source /Tp<FILE> compile file as C++ source /TC<FILE> compile all source or unrecognized file types as C source files /TP<FILE> compile all source or unrecognized file types as C++ source files /showIncludes emit include file names /Qmultibyte-chars[-] provide support for multi-byte characters /MP[<N>] create multiple processes that can be used to compile large numbers of source files at the same time /bigobj generate objects with increased address capacity Data ---- /Zp<N> specify alignment constraint for structures (n=1,2,4,8,16 /Zp16 DEFAULT) /GS enable overflow security checks. /GS- disables (DEFAULT) /GF enable read-only string pooling optimization /GA optimize for Windows application (assume .exe) /GT enable fiber-safe thread local storage /Qsfalign8 may align stack for functions with 8 or 16 byte vars (DEFAULT) /Qsfalign16 may align stack for functions with 16 byte vars /Qsfalign force stack alignment for all functions /Qsfalign- disable stack alignment for all functions /Qfnalign[-] align the start of functions to an optimal machine-dependent value. When disabled (DEFAULT) align on a 2-byte boundary /Qfnalign:[2|16] align the start of functions on a 2 (DEFAULT) or 16 byte boundary /Qglobal-hoist[-] enable(DEFAULT)/disable external globals are load safe /Qkeep-static-consts[-] enable/disable(DEFAULT) emission of static const variables even when not referenced /Qlong-double enable 80-bit 'long double' /Qnobss-init disable placement of zero-initialized variables in BSS (use DATA) /Qzero-initialized-in-bss[-] put explicitly zero initialized variables into the DATA section instead of the BSS section /Qimf-absolute-error:value[:funclist] define the maximum allowable absolute error for math library function results value - a positive, floating-point number conforming to the format [digits][.digits][{e|E}[sign]digits] funclist - optional comma separated list of one or more math library functions to which the attribute should be applied /Qimf-accuracy-bits:bits[:funclist] define the relative error, measured by the number of correct bits, for math library function results bits - a positive, floating-point number funclist - optional comma separated list of one or more math library functions to which the attribute should be applied /Qimf-arch-consistency:value[:funclist] ensures that the math library functions produce consistent results across different implementations of the same architecture value - true or false funclist - optional comma separated list of one or more math library functions to which the attribute should be applied /Qimf-max-error:ulps[:funclist] defines the maximum allowable relative error, measured in ulps, for math library function results ulps - a positive, floating-point number conforming to the format [digits][.digits][{e|E}[sign]digits] funclist - optional comma separated list of one or more math library functions to which the attribute should be applied /Qimf-precision:value[:funclist] defines the accuracy (precision) for math library functions value - defined as one of the following values high - equivalent to max-error = 0.6 medium - equivalent to max-error = 4 (DEFAULT) low - equivalent to accuracy-bits = 11 (single precision); accuracy-bits = 26 (double precision) funclist - optional comma separated list of one or more math library functions to which the attribute should be applied Compatibility ------------- /Qms allow compilation of certain dubious sources n=0 disable Microsoft compatibility bugs n=1 enable most Microsoft compatibilities (DEFAULT) n=2 full Microsoft compatibility /Qvc<ARG> enable compatibility with a specific Microsoft* Visual Studio version 9 - Microsoft* Visual Studio 2008 compatibility 10 - Microsoft* Visual Studio 2010 compatibility 11 - Microsoft* Visual Studio 2012 compatibility /Qgcc-dialect:<VERSION> enable a limited gcc-compatible dialect on Windows. The gcc version may be specified as 440, 450 or 460. Example: /Qgcc-dialect:440 -&gt; gcc 4.4 compatibility Linking/Linker -------------- /link specify that all options following '/link' are for the linker /F<N> set the stack reserve amount specified to the linker /LD<D> produce a DLL instead of an EXE ('d' = debug version) /MD<D> use dynamically-loaded, multithread C runtime /MT<D> use statically-linked, multithread C runtime (DEFAULT with Microsoft Visual Studio 2005 and later) /ML<D> use statically-linked, single thread C runtime (only valid in Microsoft Visual Studio 2003 environment) /Zl omit library names from object file Deprecated Options ------------------ /Qinline-debug-info use /debug:inline-debug-info /Gf use /GF /ML<D> upgrade to /MT<D> /Quse-asm No replacement /Qprof-genx use /Qprof-gen:srcpos /Qdiag-enable:sv[<N>] use /Qdiag-enable:sc[<N>] /Qdiag-enable:sv-include use /Qdiag-enable:sc-include /Qdiag-sv use /Qdiag-enable:sc[<N>] /Qdiag-sv-error use /Qdiag-disable:warning /Qdiag-sv-include use /Qdiag-enable:sc-include /Qdiag-sv-level No replacement /Qdiag-sv-sup use /Qdiag-disable:<V1>[,<V2>,...] /Qtprofile No replacement /arch:SSE use /arch:IA32 /QxK upgrade to /arch:SSE2 /QaxK upgrade to /arch:SSE2 /QxW use /arch:SSE2 /QaxW use /arch:SSE2 /QxN use /QxSSE2 /QaxN use /QaxSSE2 /QxP use /QxSSE3 /QaxP use /QaxSSE3 /QxT use /QxSSSE3 /QaxT use /QaxSSSE3 /QxS use /QxSSE4.1 /QaxS use /QaxSSE4.1 /QxH use /QxSSE4.2 /QaxH use /QaxSSE4.2 /QxO use /arch:SSE3 /Qvc7.1 No replacement /QIfist use /Qrcd /QxSSE3_ATOM use /QxSSSE3_ATOM /Qrct No replacement /Op use /fp:precise /Fr use /FR /GX use /EHsc /GZ use /RTC1 /H No replacement /QA- use /u /Qc99 use /Qstd=c99 /Qwn use /Qdiag-error-limit:<N> /Qwd use /Qdiag-disable /Qwe use /Qdiag-error /Qww use /Qdiag-warning /Qwr use /Qdiag-remark /Qwo use /Qdiag-once /Yd use /Zi, /ZI, /Z7 /Zd use /debug:minimal /Ze No replacement /Zg No replacement /help, /? [category] print full or category help message Valid categories include advanced - Advanced Optimizations codegen - Code Generation compatibility - Compatibility component - Component Control data - Data deprecated - Deprecated Options diagnostics - Compiler Diagnostics float - Floating Point help - Help inline - Inlining ipo - Interprocedural Optimization (IPO) language - Language link - Linking/Linker misc - Miscellaneous opt - Optimization output - Output pgo - Profile Guided Optimization (PGO) preproc - Preprocessor reports - Optimization Reports openmp - OpenMP and Parallel Processing Copyright (C) 1985-2013, Intel Corporation. All rights reserved. * Other names and brands may be claimed as the property of others.</N></V2></V1></N></N></N></D></D></D></D></D></D></N></VERSION></ARG></N></N></FILE></FILE></FILE></FILE></KEYWORD></KEYWORD></V2></V1></NUM></FILE></FILE></FILE></FILE></FILE></DIR></DIR></V2></V1></V2></V1></V2></V1></N></N></VN></V2></V1></V2></V1></L2></L1></KEYWORD></KEYWORD></N></X></N></STD></STD></TOOL></DIR></DIR></TOOL></TOOL></OPTS></OPTS></TOOL></TARGET></FILE></DIR></FILE></NAME></TEXT></NAME></VAL></NAME></VAL></NAME></ARG></ARG></N></N></N></N></N></N></N></ARG></ARG></ARG></ARG></ARG></ARG></MODE></MODE></NAME></NAME></N></OFFSET></PERMUTE></TYPE></MODIFIER></N></N></N></VER></ARG></VER></LIB></LIB></NAME></PHASE></FILE></N></ARG></ARG></ARG></ARG></VAL></FILE></DIR></ARG></FILE></DIR></DIR></LEVEL></LEVEL></LEVEL></LEVEL></LEVEL></FILENAME></FILENAME></ARG></ARG></ARG></ARG></ARG></N></N></N></ARG></N></N></KEYWORD></KEYWORD></N></N></N></N></KEYWORD></CODE></CODE></CODES></CODES></CODE2></CODE1></CODE></CODE> Mon, 08 Aug 2016 17:29:56 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102801#M69358 SergeyKostrov 2016-08-08T17:29:56Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102802#M69359 <STRONG>Icl v13.1.x 64-bit Options</STRONG> Intel(R) C++ Compiler Help ========================== Intel(R) Compiler includes compiler options that optimize for instruction sets that are available in both Intel(R) and non-Intel microprocessors, but may perform additional optimizations for Intel microprocessors than for non-Intel microprocessors. In addition, certain compiler options for Intel(R) Compiler are reserved for Intel microprocessors. For a detailed description of these compiler options, including the instructions they implicate, please refer to "Intel(R) Compiler User and Reference Guides &gt; Compiler Options." usage: icl [options] file1 [file2 ...] [/link linker_options] where options represents zero or more compiler options fileN is a C/C++ source (.c .cc .cpp .cxx .i), assembly (.asm), object (.obj), static library (.lib), or other linkable file linker_options represents zero or more linker options Notes ----- 1. Most Microsoft* Visual C++* compiler options are supported; a warning is printed for most unsupported options. The precise behavior of performance options does not always match that of the Microsoft Visual C++ compiler. 2. Intel C++ compiler options may be placed in your icl.cfg file. 3. Most options beginning with /Q are specific to the Intel C++ compiler: (*I) indicates other options specific to the Intel C++ compiler (*M) indicates /Q options supported by the Microsoft Visual C++ compiler Some options listed are only available on a specific system i32 indicates the feature is available on systems based on IA-32 architecture i64em indicates the feature is available on systems using Intel(R) 64 architecture Compiler Option List -------------------- Optimization ------------ /O1 optimize for maximum speed, but disable some optimizations which increase code size for a small speed benefit /O2 optimize for maximum speed (DEFAULT) /O3 optimize for maximum speed and enable more aggressive optimizations that may not improve performance on some programs /Ox enable maximum optimizations (same as /O2) /Os enable speed optimizations, but disable some optimizations which increase code size for small speed benefit (overrides /Ot) /Ot enable speed optimizations (overrides /Os) /Od disable optimizations /Oi[-] enable/disable inline expansion of intrinsic functions /Oy[-] enable/disable using EBP as a general purpose register (no frame pointer) (i32 only) /fast enable /QxHOST /O3 /Qipo /Qprec-div- options set by /fast cannot be overridden with the exception of /QxHOST, list options separately to change behavior /Oa[-] assume no aliasing in program /Ow[-] assume no aliasing within functions, but assume aliasing across calls Code Generation --------------- /Qx<CODE> generate specialized code to run exclusively on processors indicated by <CODE> as described below SSE2 May generate Intel(R) SSE2 and SSE instructions for Intel processors. Optimizes for the Intel NetBurst(R) microarchitecture. SSE3 May generate Intel(R) SSE3, SSE2, and SSE instructions for Intel processors. Optimizes for the enhanced Pentium(R) M processor microarchitecture and Intel NetBurst(R) microarchitecture. SSSE3 May generate Intel(R) SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. Optimizes for the Intel(R) Core(TM) microarchitecture. SSE4.1 May generate Intel(R) SSE4 Vectorizing Compiler and Media Accelerator instructions for Intel processors. May generate Intel(R) SSSE3, SSE3, SSE2, and SSE instructions and it may optimize for Intel(R) 45nm Hi-k next generation Intel Core(TM) microarchitecture. SSE4.2 May generate Intel(R) SSE4 Efficient Accelerated String and Text Processing instructions supported by Intel(R) Core(TM) i7 processors. May generate Intel(R) SSE4 Vectorizing Compiler and Media Accelerator, Intel(R) SSSE3, SSE3, SSE2, and SSE instructions and it may optimize for the Intel(R) Core(TM) processor family. AVX May generate Intel(R) Advanced Vector Extensions (Intel(R) AVX), Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. Optimizes for a future Intel processor. CORE-AVX2 May generate Intel(R) Advanced Vector Extensions 2 (Intel(R) AVX2), Intel(R) AVX, SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. Optimizes for a future Intel processor. CORE-AVX-I May generate Intel(R) Advanced Vector Extensions (Intel(R) AVX), including instructions in Intel(R) Core 2(TM) processors in process technology smaller than 32nm, Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. Optimizes for a future Intel processor. SSSE3_ATOM May generate MOVBE instructions for Intel processors, depending on the setting of option /Qinstruction. May also generate Intel(R) SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. Optimizes for the Intel(R) Atom(TM) processor and Intel(R) Centrino(R) Atom(TM) Processor Technology. /QxHost generate instructions for the highest instruction set and processor available on the compilation host machine /Qax<CODE1>[,<CODE2>,...] generate code specialized for processors specified by <CODES> while also generating generic IA-32 instructions. <CODES> includes one or more of the following: SSE2 May generate Intel(R) SSE2 and SSE instructions for Intel processors. SSE3 May generate Intel(R) SSE3, SSE2, and SSE instructions for Intel processors. SSSE3 May generate Intel(R) SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. SSE4.1 May generate Intel(R) SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. SSE4.2 May generate Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel processors. AVX May generate Intel(R) Advanced Vector Extensions (Intel(R) AVX), Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. CORE-AVX2 May generate Intel(R) Advanced Vector Extensions 2 (Intel(R) AVX2), Intel(R) AVX, SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. CORE-AVX-I May generate Intel(R) Advanced Vector Extensions (Intel(R) AVX), including instructions in Intel(R) Core 2(TM) processors in process technology smaller than 32nm, Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2, and SSE instructions for Intel(R) processors. /arch:<CODE> generate specialized code to optimize for processors indicated by <CODE> as described below SSE2 May generate Intel(R) SSE2 and SSE instructions SSE3 May generate Intel(R) SSE3, SSE2 and SSE instructions SSSE3 May generate Intel(R) SSSE3, SSE3, SSE2 and SSE instructions SSE4.1 May generate Intel(R) SSE4.1, SSSE3, SSE3, SSE2 and SSE instructions SSE4.2 May generate Intel(R) SSE4.2, SSE4.1, SSSE3, SSE3, SSE2 and SSE instructions AVX May generate Intel(R) AVX, SSE4.2, SSE4.1, SSSE3, SSE3, SSE2 and SSE instructions /Qinstruction:<KEYWORD> Refine instruction set output for the selected target processor [no]movbe - Do/do not generate MOVBE instructions with SSSE3_ATOM (requires /QxSSSE3_ATOM) /GR[-] enable/disable C++ RTTI /Qcxx-features enable standard C++ features (/GX /GR) /EHa enable asynchronous C++ exception handling model /EHs enable synchronous C++ exception handling model /EHc assume extern "C" functions do not throw exceptions /Qsafeseh[-] Registers exceptions for safe exception handling (DEFAULT) /Qregcall make __regcall the default calling convention /hotpatch[:n] generate padding bytes for function entries to enable image hotpatching. If specified, use 'n' as the padding. /Qextend-arguments:[32|64] By default, unprototyped scalar integer arguments are passed in 32-bits (sign-extended if necessary). On Intel(R) 64, unprototyped scalar integer arguments may be extended to 64-bits. Interprocedural Optimization (IPO) ---------------------------------- /Qip[-] enable(DEFAULT)/disable single-file IP optimization within files /Qipo<N> enable multi-file IP optimization between files /Qipo-c generate a multi-file object file (ipo_out.obj) /Qipo-S generate a multi-file assembly file (ipo_out.asm) /Qip-no-inlining disable full and partial inlining /Qip-no-pinlining disable partial inlining /Qipo-separate create one object file for every source file (overrides /Qipo<N>) /Qipo-jobs<N> specify the number of jobs to be executed simultaneously during the IPO link phase Advanced Optimizations ---------------------- /Qunroll<N> set maximum number of times to unroll loops. Omit n to use default heuristics. Use n=0 to disable the loop unroller /Qunroll-aggressive[-] enables more aggressive unrolling heuristics /Qscalar-rep[-] enable(DEFAULT)/disable scalar replacement (requires /O3) /Qansi-alias[-] enable/disable(DEFAULT) use of ANSI aliasing rules optimizations; user asserts that the program adheres to these rules /Qansi-alias-check[-] enable(DEFAULT)/disable ANSI alias checking when using /Qansi-alias /Qcomplex-limited-range[-] enable/disable(DEFAULT) the use of the basic algebraic expansions of some complex arithmetic operations. This can allow for some performance improvement in programs which use a lot of complex arithmetic at the loss of some exponent range. /Qalias-const[-] enable/disable(DEFAULT) a heuristic stating that if two arguments to a function have pointer type, a pointer to const does not alias a pointer to non-const. Also known as the input/output buffer rule, it assumes that input and output buffer arguments do not overlap. /Qalias-args[-] enable(DEFAULT)/disable C/C++ rule that function arguments may be aliased; when disabling the rule, the user asserts that this is safe /Qopt-multi-version-aggressive[-] enables more aggressive multi-versioning to check for pointer aliasing and scalar replacement /Qopt-ra-region-strategy[:<KEYWORD>] select the method that the register allocator uses to partition each routine into regions routine - one region per routine block - one region per block trace - one region per trace loop - one region per loop default - compiler selects best option /Qvec[-] enables(DEFAULT)/disables vectorization /Qvec-guard-write[-] enables cache/bandwidth optimization for stores under conditionals within vector loops /Qvec-threshold<N> sets a threshold for the vectorization of loops based on the probability of profitable execution of the vectorized loop in parallel /Qopt-malloc-options:{0|1|2|3|4} specify malloc configuration parameters. Specifying a non-zero <N> value will cause alternate configuration parameters to be set for how malloc allocates and frees memory /Qopt-jump-tables:<ARG> control the generation of jump tables default - let the compiler decide when a jump table, a series of if-then-else constructs or a combination is generated large - generate jump tables up to a certain pre-defined size (64K entries) <N> - generate jump tables up to <N> in size use /Qopt-jump-tables- to lower switch statements as chains of if-then-else constructs /Qopt-block-factor:<N> specify blocking factor for loop blocking /Qfreestanding compile in a freestanding environment where the standard library may not be present /Qopt-streaming-stores:<ARG> specifies whether streaming stores are generated always - enables generation of streaming stores under the assumption that the application is memory bound auto - compiler decides when streaming stores are used (DEFAULT) never - disables generation of streaming stores /Qipp[:<ARG>] link some or all of the Intel(R) Integrated Performance Primitives (Intel(R) IPP) libraries and bring in the associated headers common - link using the main libraries set. This is the default value when /Qipp is specified crypto - link using the main libraries set and the crypto library gen - link using the main libraries set and the fixed size generated functions library /Qipp-link:<ARG> choose whether to link with static or dynamic libraries to support Intel(R) Integrated Performance Primitives (Intel(R) IPP) dynamic - link using the dynamic libraries set. This is the default value when /Qipp is specified on Windows static - link using the static libraries set. This is the default value when /Qipp is specified on Linux static_thread - link using the optional threaded libraries set Note: these are provided in a separate install kit /Qmkl[:<ARG>] link to the Intel(R) Math Kernel Library (Intel(R) MKL) and bring in the associated headers parallel - link using the threaded Intel(R) MKL libraries. This is the default when /Qmkl is specified sequential - link using the non-threaded Intel(R) MKL libraries cluster - link using the Intel(R) MKL Cluster libraries plus the sequential Intel(R) MKL libraries /Qtbb link to the Intel(R) Threading Building Blocks (Intel(R) TBB) libraries and bring in the associated headers /Qopt-subscript-in-range[-] assumes no overflows in the intermediate computation of the subscripts /Quse-intel-optimized-headers[-] take advantage of the optimized header files /Qcilk-serialize run a Cilk program as a C/C++ serialized program /Qvla[-] enable/disable(DEFAULT) Variable Length Arrays (C99 feature) /Qintel-extensions[-] enable(DEFAULT)/disable C/C++ language extensions such as array notation, Intel(R) Cilk(TM) Plus language extensions, and support for decimal floating-point types. /Qopt-matmul[-] replace matrix multiplication with calls to intrinsics and threading libraries for improved performance (DEFAULT at /O3 /Qparallel) /Qsimd[-] enables(DEFAULT)/disables vectorization using simd pragma /Qguide-opts:<ARG> tells the compiler to analyze certain code and generate recommendations that may improve optimizations /Qguide-file[:<FILENAME>] causes the results of guide to be output to a file /Qguide-file-append[:<FILENAME>] causes the results of guide to be appended to a file /Qguide[:<LEVEL>] lets you set a level (1 - 4) of guidance for auto-vectorization, auto-parallelization, and data transformation (DEFAULT is 4 when the option is specified) /Qguide-data-trans[:<LEVEL>] lets you set a level (1 - 4) of guidance for data transformation (DEFAULT is 4 when the option is specified) /Qguide-par[:<LEVEL>] lets you set a level (1 - 4) of guidance for auto-parallelization (DEFAULT is 4 when the option is specified) /Qguide-vec[:<LEVEL>] lets you set a level (1 - 4) of guidance for auto-vectorization (DEFAULT is 4 when the option is specified) /Qguide-profile:&lt;[file|dir]&gt;[,[file|dir],...] specify a loop profiler data file (or set of files in a directory) when using the /Qguide option /Qopt-mem-layout-trans[:<LEVEL>] controls the level of memory layout transformations performed by the compiler 0 - disable memory layout transformations (same as /Qopt-mem-layout-trans-) 1 - enable basic memory layout transformations 2 - enable more memory layout transformations (DEFAULT when the option is specified) 3 - enable aggressive memory layout transformations /Qopt-prefetch[:n] enable levels of prefetch insertion, where 0 disables. n may be 0 through 4 inclusive. Default is 2. /Qopt-prefetch- disable(DEFAULT) prefetch insertion. Equivalent to /Qopt-prefetch:0 Profile Guided Optimization (PGO) --------------------------------- /Qprof-dir <DIR> specify directory for profiling output files (*.dyn and *.dpi) /Qprof-src-root <DIR> specify project root directory for application source files to enable relative path resolution during profile feedback on sources below that directory /Qprof-src-root-cwd specify the current directory as the project root directory for application source files to enable relative path resolution during profile feedback on sources below that directory /Qprof-src-dir[-] specify whether directory names of sources should be considered when looking up profile records within the .dpi file /Qprof-file <FILE> specify file name for profiling summary file /Qprof-data-order[-] enable/disable(DEFAULT) static data ordering with profiling /Qprof-func-order[-] enable/disable(DEFAULT) function ordering with profiling /Qprof-gen[:keyword] instrument program for profiling. Optional keyword may be srcpos or globdata /Qprof-gen- disable profiling instrumentation /Qprof-use[:<ARG>] enable use of profiling information during optimization weighted - invokes profmerge with -weighted option to scale data based on run durations [no]merge - enable(default)/disable the invocation of the profmerge tool /Qprof-use- disable use of profiling information during optimization /Qcov-gen instrument program for profiling /Qcov-dir <DIR> specify directory for profiling output files (*.dyn and *.dpi) /Qcov-file <FILE> specify file name for profiling summary file /Qinstrument-functions[-] determine whether function entry and exit points are instrumented /Qprof-hotness-threshold:<VAL> set the hotness threshold for function grouping and function ordering val indicates percentage of functions to be placed in hot region. This option requires /Qprof-use and /Qprof-func-order /Qprof-value-profiling:<ARG>[,<ARG>,...] limit value profiling none - inhibit all types of value profiling nodivide - inhibit value profiling of non-compile time constants used in division or remainder operations noindcall - inhibit value profiling of function addresses at indirect call sites /Qprofile-functions enable instrumentation in generated code for collecting function execution time profiles /Qprofile-loops:<ARG> enable instrumentation in generated code for collecting loop execution time profiles inner - instrument inner loops outer - instrument outer loops all - instrument all loops /Qprofile-loops-report:<ARG> Control the level of instrumentation inserted for reporting loop execution profiles 1 - report loop times 2 - report loop times and iteration counts Optimization Reports -------------------- /Qvec-report<N> control amount of vectorizer diagnostic information n=0 no diagnostic information n=1 indicate vectorized loops (DEFAULT when enabled) n=2 indicate vectorized/non-vectorized loops n=3 indicate vectorized/non-vectorized loops and prohibiting data dependence information n=4 indicate non-vectorized loops n=5 indicate non-vectorized loops and prohibiting data dependence information n=6 indicate vectorized/non-vectorized loops with greater details and prohibiting data dependence information n=7 indicate vector code quality message ids and data values for vectorized loops /Qopt-report[:n] generate an optimization report to stderr 0 disable optimization report output 1 minimum report output 2 medium output (DEFAULT when enabled) 3 maximum report output /Qopt-report-file:<FILE> specify the filename for the generated report /Qopt-report-phase:<PHASE> specify the phase that reports are generated against /Qopt-report-routine:<NAME> reports on routines containing the given name /Qopt-report-help display the optimization phases available for reporting /Qtcheck[:mode] enable analysis of threaded applications (requires Intel(R) Thread Checker; cannot be used with compiler alone) tci - instruments a program to perform a thread-count-independent analysis tcd - instruments a program to perform a thread-count-dependent analysis (DEFAULT when mode is not used) api - instruments a program at the api-imports level /Qtcollect[:<LIB>] inserts instrumentation probes calling the Intel(R) Trace Collector API. The library <LIB>.lib is linked in the default being VT.lib (requires Intel(R) Trace Collector) /Qtcollect-filter:file Enable or disable the instrumentation of specified functions. (requires Intel(R) Trace Collector) OpenMP* and Parallel Processing ------------------------------ /Qopenmp enable the compiler to generate multi-threaded code based on the OpenMP* directives (same as /openmp) /Qopenmp-stubs enables the user to compile OpenMP programs in sequential mode. The OpenMP directives are ignored and a stub OpenMP library is linked (sequential) /Qopenmp-report{0|1|2} control the OpenMP parallelizer diagnostic level /Qopenmp-lib:<VER> choose which OpenMP library version to link with compat - use the Microsoft compatible OpenMP run-time libraries (DEFAULT) /Qopenmp-task:<ARG> choose which OpenMP tasking model to support omp - support OpenMP 3.0 tasking (DEFAULT) intel - support Intel taskqueuing /Qopenmp-threadprivate:<VER> choose which threadprivate implementation to use compat - use the Microsoft compatible thread local storage legacy - use the Intel compatible implementation (DEFAULT) /Qparallel enable the auto-parallelizer to generate multi-threaded code for loops that can be safely executed in parallel /Qpar-report{0|1|2|3} control the auto-parallelizer diagnostic level /Qpar-threshold<N> set threshold for the auto-parallelization of loops where n is an integer from 0 to 100 /Qpar-runtime-control<N> Control parallelizer to generate runtime check code for effective automatic parallelization. n=0 no runtime check based auto-parallelization n=1 generate runtime check code under conservative mode (DEFAULT when enabled) n=2 generate runtime check code under heuristic mode n=3 generate runtime check code under aggressive mode /Qpar-schedule-static[:n] Specifies a scheduling algorithm for DO loop iteration. Divides iterations into contiguous pieces. Size n if specified, equal sized pieces if not. /Qpar-schedule-static_balanced[:n] Divides iterations into even-sized chunks. Size n if specified, equal sized pieces if not. /Qpar-schedule-static-steal[:n] Divides iterations into even-sized chunks, but allows threads to steal parts of chunks from neighboring threads /Qpar-schedule-dynamic[:n] Specifies a scheduling algorithm for DO loop iteration. Assigns iterations to threads in chunks dynamically. Chunk size is n iterations if specified, otherwise 1. /Qpar-schedule-guided[:n] Specifies a scheduling algorithm for DO loop iteration. Indicates a minimum number of iterations. If specified, n is the minimum number, otherwise 1. /Qpar-schedule-guided-analytical[:n] Divides iterations by using exponential distribution or dynamic distributions. /Qpar-schedule-runtime Specifies a scheduling algorithm for DO loop iteration. Defers the scheduling decision until runtime. /Qpar-schedule-auto Lets the compiler or run-time system determine the scheduling algorithm. /Qpar-adjust-stack<N> perform fiber-based main thread stack adjustment /Qpar-affinity=[<MODIFIER>,...]<TYPE>[,<PERMUTE>][,<OFFSET>] tune application performance by setting different thread affinity /Qpar-num-threads=<N> tune application performance by setting different number of threads /Qparallel-source-info[:n] enable(DEFAULT)/disable the emission of source location information for parallel code generation with OpenMP and auto-parallelization 0 - disable (same as /Qparallel-source-info-) 1 - emit routine name and line information (DEFAULT) 2 - emit path, file, routine name and line information /Qpar same as /Qparallel Floating Point -------------- /fp:<NAME> enable <NAME> floating point model variation except[-] - enable/disable floating point semantics fast[=1|2] - enables more aggressive floating point optimizations precise - allows value-safe optimizations source - enables intermediates in source precision strict - enables /fp:precise /fp:except, disables contractions and enables pragma stdc fenv_access double - rounds intermediates in 53-bit (double) precision extended - rounds intermediates in 64-bit (extended) precision /Qfp-speculation:<MODE> enable floating point speculations with the following <MODE> conditions: fast - speculate floating point operations (DEFAULT) safe - speculate only when safe strict - same as off off - disables speculation of floating-point operations /Qpc32 set internal FPU precision to 24 bit significand /Qprec improve floating-point precision (speed impact less than /Op) /Qprec-sqrt[-] determine if certain square root optimizations are enabled /Qprec-div[-] improve precision of FP divides (some speed impact) /Qfast-transcendentals[-] generate a faster version of the transcendental functions /Qfp-port[-] round fp results at assignments and casts (some speed impact) /Qfp-stack-check enable fp stack checking after every function/procedure call /Qrcd rounding mode to enable fast float-to-int conversions /Qftz[-] enable/disable flush denormal results to zero /Qfma[-] enable/disable the combining of floating point multiplies and add/subtract operations /Qfp-trap:<ARG>[,<ARG>,...] control floating point traps at program start. <ARG> can be of the following values [no]divzero - [Do not] trap on division by zero [no]inexact - [Do not] trap on inexact result [no]invalid - [Do not] trap on invalid operation [no]overflow - [Do not] trap on overflow [no]underflow - [Do not] trap on underflow [no]denormal - [Do not] trap on denormal all - enable trap on all of the above none - trap on none of the above common - trap on most commonly used IEEE traps (invalid, division by zero, overflow) /Qfp-trap-all:<ARG>[,<ARG>,...] control floating point traps in every routine. <ARG> can be of the values specified in /Qfp-trap Inlining -------- /Ob<N> control inline expansion: n=0 disable inlining n=1 inline functions declared with __inline, and perform C++ inlining n=2 inline any function, at the compiler's discretion /Qinline-min-size:<N> set size limit for inlining small routines /Qinline-min-size- no size limit for inlining small routines /Qinline-max-size:<N> set size limit for inlining large routines /Qinline-max-size- no size limit for inlining large routines /Qinline-max-total-size:<N> maximum increase in size for inline function expansion /Qinline-max-total-size- no size limit for inline function expansion /Qinline-max-per-routine:<N> maximum number of inline instances in any function /Qinline-max-per-routine- no maximum number of inline instances in any function /Qinline-max-per-compile:<N> maximum number of inline instances in the current compilation /Qinline-max-per-compile- no maximum number of inline instances in the current compilation /Qinline-factor:<N> set inlining upper limits by n percentage /Qinline-factor- do not set set inlining upper limits /Qinline-forceinline treat inline routines as forceinline /Qinline-dllimport allow(DEFAULT)/disallow functions declared __declspec(dllimport) to be inlined /Qinline-calloc directs the compiler to inline calloc() calls as malloc()/memset() Output, Debug, PCH ------------------ /c compile to object (.obj) only, do not link /S compile to assembly (.asm) only, do not link /FAs produce assembly file with optional source annotations /FAc produce assembly file with optional code annotations /FA produce assembly file /Fa[file] name assembly file (or directory for multiple files; i.e. /FaMYDIR\) /Fo[file] name object file (or directory for multiple files; i.e. /FoMYDIR\) /Fe[file] name executable file or directory /Fp[file] name precompiled header file /Zi, /ZI, /Z7 produce symbolic debug information in object file (implies /Od when another optimization option is not explicitly set) /debug[:keyword] enable debug information and control output of enhanced debug information keywords: all, full, minimal, none, [no]inline-debug-info [no]expr-source-pos /Qtrapuv trap uninitialized variables /RTCu report use of variable that was not initialized /RTC1 equivalent to /RTCsu /RTCs enable stack frame runtime checks /RTCc enable checks for converting to smaller types /Qmap-opts enable option mapping tool /Yc[file] create precompiled header file /Yu[file] use precompiled header file /Y- ignore all other precompiled header file options /Qpchi[-] enable(DEFAULT)/disable PCH coexistence, to reduce build time /FD generate file dependencies /FR[file] name extended source browser file /Qcheck-pointers:<ARG> Specifies what type of bounds checking occurs. Possible values are: none - Disables bounds checking. This is the default. rw - Checks bounds for reads and writes through pointers. write - Checks bounds for writes through pointers only. This switch is only valid with Intel(R) Parallel Studio XE /Qcheck-pointers-dangling:<ARG> Specifies what type of dangling pointer checking occurs. Possible values are: none - Disables dangling pointer checking. This is the default. heap - Check dangling references on heap. stack - Check dangling references on stack. all - Check dangling references on both heap and stack. This switch is only valid with Intel(R) Parallel Studio XE /Qcheck-pointers-undimensioned[-] Bounds checking occurs for memory access through arrays that are declared without dimensions. This checking occurs for both dimensioned and undimensioned arrays. This switch is only valid with Intel(R) Parallel Studio XE Preprocessor ------------ /QA<NAME>[<VAL>] create an assertion <NAME> having value <VAL> /C do not strip comments /D<NAME>[{=|#}<TEXT>] define macro /U<NAME> remove predefined macro /E preprocess to stdout /EP preprocess to stdout, omitting #line directives /EP /P preprocess to file, omitting #line directives /P preprocess to file /u remove all predefined macros /FI<FILE> force inclusion of file /I<DIR> add directory to include file search path /X remove standard directories from include file search path /QH print include file order /QM generate makefile dependency information /QMM similar to /QM, but do not include system header files /QMG similar to /QM, but treat missing header files as generated files /QMD preprocess and compile, generating output file containing dependency information ending with extension .d /QMMD similar to /QMD, but do not include system header files /QMF<FILE> generate makefile dependency information in file (must specify /QM or /QMM) /QMT<TARGET> change the default target rule for dependency generation /QdM output macro definitions in effect after preprocessing (use with /E) /QdD same as /QdM, but output #define directives in preprocessed source /QdN same as /QdD, but #define directives contain only macro names Component Control ----------------- /Qoption,<TOOL>,<OPTS> pass options <OPTS> to tool specified by <TOOL> /Qlocation,<TOOL>,<DIR> set <DIR> as the location of tool specified by <TOOL> Language -------- /Qstd=<STD> enable language support for <STD>, as described below c99 enable C99 support for C programs c++11 enable C++11 experimental support for C++ programs c++0x same as c++11 /Za disable Microsoft Visual C++ compiler language extensions /Zg enable the generation of function prototypes /Zp<N> specify alignment constraint for structures where n=1,2,4,8,16. 16 is the default /Zc:arg1[,arg2] specify standard conformance for the following arguments: forScope[-] enforce standard compliance in for loop scope wchar_t[-] specify that wchar_t is a native data type auto[-] enforce compliance to the new standard meaning for auto /Zs perform syntax and semantic checking only (no object file produced) /vd{0|1} disable or enable hidden vtordisp field in C++ objects /vm<X> specify representation method for C++ pointers to members /J change default char type to unsigned /noBool suppresses the C++ bool, true, and false keywords /Qtemplate-depth<N> control the depth in which recursive templates are expanded /Qrestrict[-] enable/disable the 'restrict' keyword for disambiguating pointers /Qhelp-pragma output supported pragmas and their usage syntax /check:<KEYWORD>[,<KEYWORD>,...] check run-time conditions. keywords: [no]conversions, [no]stack, [no]uninit Compiler Diagnostics -------------------- /w disable all warnings /W0 print only errors /W1, /W2, /W3 print only errors and warnings (DEFAULT) /W4, /Wall print errors, warnings and most remarks /W5 print all errors, warnings and remarks /WL print brief one-line diagnostics /WX force warnings to be reported as errors /Werror-all force warnings and currently enabled remarks to be reported as errors /Wcheck enable more strict diagnostics /Wport issue portability diagnostics /Qeffc++ enable effective C++ diagnostic warnings /Qwo<L1>[,<L2>,...] issue diagnostics L1 through LN only once /Wp64 print diagnostics for 64-bit porting /Qdiag-enable:<V1>[,<V2>,...] enable the specified diagnostics or diagnostic groups /Qdiag-disable:<V1>[,<V2>,...] disable the specified diagnostics or diagnostic groups where <VN> may be individual diagnostic numbers or group names. where group names include: sc<N> - perform source code analysis: n=1 for critical errors, n=2 for all errors and n=3 for all errors and warnings sc- {full|concise|precise} - perform static analysis and determine the analysis mode. Full mode - attempts to find all program weaknesses, even at the expense of more false positives. Concise mode - attempts to reduce false positives somewhat more than reducing false negatives. Precise mode - attempts to avoid all false positives Default: full if /Qdiag-enable:sc{[1|2|3]} is present; otherwise None (static analysis diagnostics are disabled). sc-include - perform source code analysis on include files sc-single-file - This option tells static analysis to process each file individually. Default: OFF sc-enums - This option tells static analysis to treat enumeration variables as known values equal to any one of the associated enumeration literals. Default: OFF sc-parallel<N> - perform analysis of parallelization in source code: n=1 for critical errors, n=2 for errors, n=3 for all errors and warnings thread - enable diagnostics to aid in thread-enabling source port-linux - enable diagnostics for Microsoft extensions that may cause errors when porting to Linux/MacOS warn - diagnostic messages that have "warning" severity level. error - diagnostic messages that have "error" severity level. remark - diagnostic messages that are remarks or comments. vec - diagnostic messages issued by the vectorizer. par - diagnostic messages issued by the auto-parallelizer openmp - diagnostic messages issued by the OpenMP* parallelizer. cpu-dispatch Specifies the CPU dispatch remarks. /Qdiag-error:<V1>[,<V2>,...] output the specified diagnostics or diagnostic groups as errors /Qdiag-warning:<V1>[,<V2>,...] output the specified diagnostics or diagnostic groups as warnings /Qdiag-remark:<V1>[,<V2>,...] output the the specified diagnostics or diagnostic groups as remarks /Qdiag-dump display the currently enabled diagnostic messages to stdout or to a specified diagnostic output file. /Qdiag-sc-dir:<DIR> <DIR> directory where diagnostics from static analysis are created, rather than current working directory. /Qdiag-file[:<FILE>] <FILE> where diagnostics are emitted to. Not specifying this causes messages to be output to stderr /Qdiag-file-append[:<FILE>] <FILE> where diagnostics are emitted to. When <FILE> already exists, output is appended to the file /Qdiag-id-numbers[-] enable(DEFAULT)/disable the diagnostic specifiers to be output in numeric form /Qdiag-error-limit:<NUM> specify the maximum number of errors emitted /Qdiag-once:<V1>[,<V2>,...] issue diagnostics v1 through vN only once /Wpch-messages[-] enable(DEFAULT)/disable PCH information messages Miscellaneous ------------- /nologo do not display compiler version information /Qsox[:<KEYWORD>[,keyword]] enable saving of compiler options, version and additional information in the executable. Use /Qsox- to disable(DEFAULT) profile - include profiling data inline - include inlining information /Qsave-temps store the intermediate files in current directory and name them based on the source file. Only saves files that are generated by default /watch:<KEYWORD> tells the driver to output processing information keywords: all, none (same as /nowatch), [no]source, [no]cmd [no]mic-cmd /nowatch suppress processing information output (DEFAULT) /Tc<FILE> compile file as C source /Tp<FILE> compile file as C++ source /TC<FILE> compile all source or unrecognized file types as C source files /TP<FILE> compile all source or unrecognized file types as C++ source files /showIncludes emit include file names /Qmultibyte-chars[-] provide support for multi-byte characters /MP[<N>] create multiple processes that can be used to compile large numbers of source files at the same time /bigobj generate objects with increased address capacity Data ---- /Zp<N> specify alignment constraint for structures (n=1,2,4,8,16 /Zp16 DEFAULT) /GS enable overflow security checks. /GS- disables (DEFAULT) /GF enable read-only string pooling optimization /GA optimize for Windows application (assume .exe) /GT enable fiber-safe thread local storage /Qauto-ilp32 specify that the application cannot exceed a 32-bit address space (/Qipo<N> required) /Qpatchable-addresses generate code such that references to statically assigned addresses can be patched with arbitrary 64-bit addresses. /Qsfalign8 may align stack for functions with 8 or 16 byte vars (DEFAULT) /Qsfalign16 may align stack for functions with 16 byte vars /Qsfalign force stack alignment for all functions /Qsfalign- disable stack alignment for all functions /Qfnalign[-] align the start of functions to an optimal machine-dependent value. When disabled (DEFAULT) align on a 2-byte boundary /Qfnalign:[2|16] align the start of functions on a 2 (DEFAULT) or 16 byte boundary /homeparams force to store parameters passed in registers to the stack /Qglobal-hoist[-] enable(DEFAULT)/disable external globals are load safe /Qkeep-static-consts[-] enable/disable(DEFAULT) emission of static const variables even when not referenced /Qlong-double enable 80-bit 'long double' /Qnobss-init disable placement of zero-initialized variables in BSS (use DATA) /Qzero-initialized-in-bss[-] put explicitly zero initialized variables into the DATA section instead of the BSS section /Qimf-absolute-error:value[:funclist] define the maximum allowable absolute error for math library function results value - a positive, floating-point number conforming to the format [digits][.digits][{e|E}[sign]digits] funclist - optional comma separated list of one or more math library functions to which the attribute should be applied /Qimf-accuracy-bits:bits[:funclist] define the relative error, measured by the number of correct bits, for math library function results bits - a positive, floating-point number funclist - optional comma separated list of one or more math library functions to which the attribute should be applied /Qimf-arch-consistency:value[:funclist] ensures that the math library functions produce consistent results across different implementations of the same architecture value - true or false funclist - optional comma separated list of one or more math library functions to which the attribute should be applied /Qimf-max-error:ulps[:funclist] defines the maximum allowable relative error, measured in ulps, for math library function results ulps - a positive, floating-point number conforming to the format [digits][.digits][{e|E}[sign]digits] funclist - optional comma separated list of one or more math library functions to which the attribute should be applied /Qimf-precision:value[:funclist] defines the accuracy (precision) for math library functions value - defined as one of the following values high - equivalent to max-error = 0.6 medium - equivalent to max-error = 4 (DEFAULT) low - equivalent to accuracy-bits = 11 (single precision); accuracy-bits = 26 (double precision) funclist - optional comma separated list of one or more math library functions to which the attribute should be applied Compatibility ------------- /Qms allow compilation of certain dubious sources n=0 disable Microsoft compatibility bugs n=1 enable most Microsoft compatibilities (DEFAULT) n=2 full Microsoft compatibility /Qvc<ARG> enable compatibility with a specific Microsoft* Visual Studio version 9 - Microsoft* Visual Studio 2008 compatibility 10 - Microsoft* Visual Studio 2010 compatibility 11 - Microsoft* Visual Studio 2012 compatibility /Qgcc-dialect:<VERSION> enable a limited gcc-compatible dialect on Windows. The gcc version may be specified as 440, 450 or 460. Example: /Qgcc-dialect:440 -&gt; gcc 4.4 compatibility Linking/Linker -------------- /link specify that all options following '/link' are for the linker /F<N> set the stack reserve amount specified to the linker /LD<D> produce a DLL instead of an EXE ('d' = debug version) /MD<D> use dynamically-loaded, multithread C runtime /MT<D> use statically-linked, multithread C runtime (DEFAULT with Microsoft Visual Studio 2005 and later) /ML<D> use statically-linked, single thread C runtime (only valid in Microsoft Visual Studio 2003 environment) /Zl omit library names from object file Deprecated Options ------------------ /Qinline-debug-info use /debug:inline-debug-info /Gf use /GF /ML<D> upgrade to /MT<D> /Quse-asm No replacement /Qprof-genx use /Qprof-gen:srcpos /Qdiag-enable:sv[<N>] use /Qdiag-enable:sc[<N>] /Qdiag-enable:sv-include use /Qdiag-enable:sc-include /Qdiag-sv use /Qdiag-enable:sc[<N>] /Qdiag-sv-error use /Qdiag-disable:warning /Qdiag-sv-include use /Qdiag-enable:sc-include /Qdiag-sv-level No replacement /Qdiag-sv-sup use /Qdiag-disable:<V1>[,<V2>,...] /Qtprofile No replacement /arch:SSE use /arch:IA32 /QxK upgrade to /arch:SSE2 /QaxK upgrade to /arch:SSE2 /QxW use /arch:SSE2 /QaxW use /arch:SSE2 /QxN use /QxSSE2 /QaxN use /QaxSSE2 /QxP use /QxSSE3 /QaxP use /QaxSSE3 /QxT use /QxSSSE3 /QaxT use /QaxSSSE3 /QxS use /QxSSE4.1 /QaxS use /QaxSSE4.1 /QxH use /QxSSE4.2 /QaxH use /QaxSSE4.2 /QxO use /arch:SSE3 /Qvc7.1 No replacement /QIfist use /Qrcd /QxSSE3_ATOM use /QxSSSE3_ATOM /Qrct No replacement /Op use /fp:precise /Fr use /FR /GX use /EHsc /GZ use /RTC1 /H No replacement /QA- use /u /Qc99 use /Qstd=c99 /Qwn use /Qdiag-error-limit:<N> /Qwd use /Qdiag-disable /Qwe use /Qdiag-error /Qww use /Qdiag-warning /Qwr use /Qdiag-remark /Qwo use /Qdiag-once /Yd use /Zi, /ZI, /Z7 /Zd use /debug:minimal /Ze No replacement /Zg No replacement /help, /? [category] print full or category help message Valid categories include advanced - Advanced Optimizations codegen - Code Generation compatibility - Compatibility component - Component Control data - Data deprecated - Deprecated Options diagnostics - Compiler Diagnostics float - Floating Point help - Help inline - Inlining ipo - Interprocedural Optimization (IPO) language - Language link - Linking/Linker misc - Miscellaneous opt - Optimization output - Output pgo - Profile Guided Optimization (PGO) preproc - Preprocessor reports - Optimization Reports openmp - OpenMP and Parallel Processing Copyright (C) 1985-2013, Intel Corporation. All rights reserved. * Other names and brands may be claimed as the property of others.</N></V2></V1></N></N></N></D></D></D></D></D></D></N></VERSION></ARG></N></N></N></FILE></FILE></FILE></FILE></KEYWORD></KEYWORD></V2></V1></NUM></FILE></FILE></FILE></FILE></FILE></DIR></DIR></V2></V1></V2></V1></V2></V1></N></N></VN></V2></V1></V2></V1></L2></L1></KEYWORD></KEYWORD></N></X></N></STD></STD></TOOL></DIR></DIR></TOOL></TOOL></OPTS></OPTS></TOOL></TARGET></FILE></DIR></FILE></NAME></TEXT></NAME></VAL></NAME></VAL></NAME></ARG></ARG></N></N></N></N></N></N></N></ARG></ARG></ARG></ARG></ARG></ARG></MODE></MODE></NAME></NAME></N></OFFSET></PERMUTE></TYPE></MODIFIER></N></N></N></VER></ARG></VER></LIB></LIB></NAME></PHASE></FILE></N></ARG></ARG></ARG></ARG></VAL></FILE></DIR></ARG></FILE></DIR></DIR></LEVEL></LEVEL></LEVEL></LEVEL></LEVEL></FILENAME></FILENAME></ARG></ARG></ARG></ARG></ARG></N></N></N></ARG></N></N></KEYWORD></N></N></N></N></KEYWORD></CODE></CODE></CODES></CODES></CODE2></CODE1></CODE></CODE> Mon, 08 Aug 2016 17:30:53 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102802#M69359 SergeyKostrov 2016-08-08T17:30:53Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102803#M69360 <STRONG>Tcc v1.0.1 16-bit Options</STRONG> Turbo C++ Version 1.01 Copyright (c) 1990 Borland International Syntax is: TCC [ options ] file<S> * = default; -x- = turn switch x off -1 80186/286 Instructions -2 80286 Protected Mode Inst. -Ax Disable extensions -B Compile via assembly -C Allow nested comments -Dxxx Define macro -Exxx Alternate Assembler name -G Generate for speed -Ixxx Include files directory -K Default char is unsigned -Lxxx Libraries directory -M Generate link map -N Check stack overflow -O Optimize jumps -P Force C++ compile -Qxxx Memory usage control -S Produce assembly output -Txxx Set assembler option -Uxxx Undefine macro -Vx Virtual table control -X Suppress autodep. output -Yx Overlay control -Z Optimize register usage -a Generate word alignment -b * Treat enums as integers -c Compile only -d Merge duplicate strings -exxx Executable file name -fxx Floating point options -gN Stop after N warnings -iN Max. identifier length -jN Stop after N errors -k Standard stack frame -lx Set linker option -mx Set Memory Model -nxxx Output file directory -oxxx Object file name -p Pascal calls -r * Register variables -u * Underscores on externs -v Source level debugging -wxxx Warning control -y Produce line number info -zxxx Set segment names</S> Mon, 08 Aug 2016 17:32:23 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102803#M69360 SergeyKostrov 2016-08-08T17:32:23Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102804#M69361 <STRONG>Tcc v3.0.0 16-bit Options</STRONG> Turbo C++ Version 3.00 Copyright (c) 1992 Borland International Syntax is: TCC [ options ] file<S> * = default; -x- = turn switch x off -1 80186/286 Instructions -2 80286 Protected Mode Inst. -Ax Disable extensions -B Compile via assembly -C Allow nested comments -Dxxx Define macro -Exxx Alternate Assembler name -G Generate for speed -Ixxx Include files directory -K Default char is unsigned -Lxxx Libraries directory -M Generate link map -N Check stack overflow -O Optimize jumps -P Force C++ compile -Qxxx Memory usage control -S Produce assembly output -Txxx Set assembler option -Uxxx Undefine macro -Vx Virtual table control -X Suppress autodep. output -Yx Overlay control -Z Suppress register reloads -a Generate word alignment -b * Treat enums as integers -c Compile only -d Merge duplicate strings -exxx Executable file name -fxx Floating point options -gN Stop after N warnings -iN Max. identifier length -jN Stop after N errors -k Standard stack frame -lx Set linker option -mx Set Memory Model -nxxx Output file directory -oxxx Object file name -p Pascal calls -r * Register variables -u * Underscores on externs -v Source level debugging -wxxx Warning control -y Produce line number info -zxxx Set segment names</S> Mon, 08 Aug 2016 17:33:16 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102804#M69361 SergeyKostrov 2016-08-08T17:33:16Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102805#M69362 <STRONG>Open Watcom v1.9.0 32-bit Options</STRONG> Open Watcom C/C++32 Compile and Link Utility Version 1.9 Portions Copyright (c) 1988-2002 Sybase, Inc. All Rights Reserved. Source code is available under the Sybase Open Watcom Public License. See <A href="http://www.openwatcom.org/" target="_blank">http://www.openwatcom.org/</A> for details. Usage: wcl386 [options] file(s) Options: ( /option is also accepted ) -c compile only, no link -cc treat source files as C code -cc++ treat source files as C++ code -y ignore the WCL386 environment variable [ Processor options ] -3r 386 register calling conventions -5r Pentium register calling conv. -3s 386 stack calling conventions -5s Pentium stack calling conventions -4r 486 register calling conventions -6r Pentium Pro register call conven. -4s 486 stack calling conventions -6s Pentium Pro stack call conven. [ Floating-point processor options ] -fpc calls to floating-point library -fp2 generate 287 floating-point code -fpd enable Pentium FDIV check -fp3 generate 387 floating-point code -fpi inline 80x87 with emulation -fp5 optimize f-p for Pentium -fpi87 inline 80x87 -fp6 optimize f-p for Pentium Pro -fpr use old floating-point conventions [ Compiler options ] -bcl=<OS> compile and link for OS. -nm=<MODULE_NAME> set module name -bt=<OS> compile for target OS. -nt=<NAME> set text segment name -db generate browsing information -q operate quietly -e=<N> set error limit number -r save/restore segregs across calls -ecc set calling conv. to __cdecl -ri promote function args/rets to int -ecd set calling conv. to __stdcall -s remove stack overflow checks -ecf set calling conv. to __fastcall -sg generate calls to grow the stack -ecp set calling conv. to __pascal -st touch stack through SS first -ecr set calling conv. to __fortran -v output func declarations to .def -ecs set calling conv. to __syscall -vcap VC++ compat: alloca in arg lists -ecw set calling conv. to __watcall -w=<N> set warning level number -ee call epilogue hook routine -wcd=<N> disable warning message <N> -ef full paths in messages -wce=<N> enable warning message <N> -ei force enums to be type int -we treat all warnings as errors -em minimum base type for enum is int -wx set warning level to max -en emit routine names in the code -xr (C++) enable RTTI -ep[=<N>] call prologue hook routine -z{a,e} disable/enable extensions -eq do not display error messages -zc place strings in CODE segment -et P5 profiling -zd{f,p} DS floats vs DS pegged to DGROUP -ez generate PharLap EZ-OMF object -zdl load DS directly from DGROUP -fh=<FILE> pre-compiled headers -zf{f,p} FS floats vs FS pegged to seg -fhq[=<FILE>] fh without warnings -zg{f,p} GS floats vs GS pegged to seg -fhr (C++) only read PCH -zg function prototype using base type -fhw (C++) only write PCH -zk{0,0u,1,2,3,l} double-byte support -fhwe (C++) don't count PCH warnings -zku=<CODEPAGE> UNICODE support -fi=<FILE> force include of file -zl remove default library information -fo=<FILE> set object file name -zld remove file dependency information -fr=<FILE> set error file name -zm place functions in separate segments -ft (C++) check for 8.3 file names -zmf (C++) zm with near calls allowed -fx (C++) no check for 8.3 file names -zp{1,2,4,8,16} struct packing align. -g=<CODEGROUP> set code group name -zpw warning when padding a struct -hc codeview debug format -zq operate quietly -hd dwarf debug format -zs check syntax only -hw watcom debug format -zt<N> set data threshold -j change char default to signed -zu SS != DGROUP -m{f,s,m,c,l} memory model -zv (C++) enable virt. fun. removal opt -nc=<NAME> set CODE class name -zw generate code for MS Windows -nd=<NAME> set data segment name -zz remove @size from __stdcall func. [ Debugging options ] -d0 no debugging information -d2t (C++) d2 but without type names -d1{+} line number debugging info. -d3 debug info with unref'd type names -d2 full symbolic debugging info. -d3i (C++) d3 + inlines as COMDATs -d2i (C++) d2 + inlines as COMDATs -d3s (C++) d3 + inlines as statics -d2s (C++) d2 + inlines as statics [ Optimization options ] -oa relax alias checking -ol+ ol with loop unrolling -ob branch prediction -om generate inline math functions -oc disable call/ret optimization -on numerically unstable floating-point -od disable optimizations -oo continue compile when low on memory -oe[=num] expand functions inline -op improve floating-point consistency -of[+] generate traceable stack frames -or re-order instructions to avoid stalls -oh enable repeated optimizations -os optimize for space -oi inline intrinsic functions -ot optimize for time -oi+ (C++) oi with max inlining depth -ou ensure unique addresses for functions -ok control flow entry/exit seq. -ox maximum optimization (-obmiler -s) -ol perform loop optimizations [ C++ exception handling options ] -xd no exception handling -xs exception handling: balanced -xds no exception handling: space -xss exception handling: space -xdt no exception handling -xst exception handling: time [ Preprocessor options ] -d<NAME>[=text] define a macro -u<NAME> undefine macro name -d+ extend syntax of -d option -pil ignore #line directives -fo=<FILENAME> set object file name -p{c,l,w=<N>} preprocess source file -i=<DIRECTORY> include directory c -&gt; preserve comments -t=<N> (C++) # of spaces in tab stop l -&gt; insert #line directives -tp=<NAME> (C) set #pragma on( <NAME> w=<N> -&gt; wrap output at column n [ Linker options ] -bd build Dynamic link library -fm[=<MAP_FILE>] generate map file -bm build Multi-thread application -k<STACK_SIZE> set stack size -br build with dll run-time library -l=<OS> link for the specified OS -bw build default Windowing app. -x make names case sensitive -bcl=<OS> compile and link for OS. @<FILE> additional directive file -fd[=<FILE>[.lnk]] write directives -"<LINKER directives="">" -fe=<EXECUTABLE> name executable file</EXECUTABLE></LINKER></FILE></FILE></OS></OS></STACK_SIZE></MAP_FILE></N></NAME></NAME></N></DIRECTORY></N></FILENAME></NAME></NAME></NAME></NAME></N></CODEGROUP></FILE></FILE></FILE></CODEPAGE></FILE></FILE></N></N></N></N></N></N></N></NAME></OS></MODULE_NAME></OS> Mon, 08 Aug 2016 17:34:26 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102805#M69362 SergeyKostrov 2016-08-08T17:34:26Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102806#M69363 <STRONG>Open Watcom v2.0.0 32-bit Options</STRONG> Open Watcom C/C++ x86 32-bit Compile and Link Utility Version 2.0 beta Apr 2 2015 11:06:50 (32-bit) Copyright (c) 2002-2015 The Open Watcom Contributors. All Rights Reserved. Portions Copyright (c) 1988-2002 Sybase, Inc. All Rights Reserved. Source code is available under the Sybase Open Watcom Public License. See <A href="http://www.openwatcom.org/" target="_blank">http://www.openwatcom.org/</A> for details. Usage: wcl386 [options] file(s) Options: ( /option is also accepted ) -c compile only, no link -cc treat source files as C code -cc++ treat source files as C++ code -y ignore the WCL386 environment variable [ Processor options ] -3r 386 register calling conventions -5r Pentium register calling conv. -3s 386 stack calling conventions -5s Pentium stack calling conventions -4r 486 register calling conventions -6r Pentium Pro register call conven. -4s 486 stack calling conventions -6s Pentium Pro stack call conven. [ Floating-point processor options ] -fpc calls to floating-point library -fp2 generate 287 floating-point code -fpd enable Pentium FDIV check -fp3 generate 387 floating-point code -fpi inline 80x87 with emulation -fp5 optimize f-p for Pentium -fpi87 inline 80x87 -fp6 optimize f-p for Pentium Pro -fpr use old floating-point conventions [ Compiler options ] -bcl=<OS> compile and link for OS. -nt=<NAME> set text segment name -bt=<OS> compile for target OS. -q operate quietly -db generate browsing information -r save/restore segregs across calls -e=<N> set error limit number -ri promote function args/rets to int -ecc set calling conv. to __cdecl -s remove stack overflow checks -ecd set calling conv. to __stdcall -sg generate calls to grow the stack -ecf set calling conv. to __fastcall -st touch stack through SS first -ecp set calling conv. to __pascal -v output func declarations to .def -ecr set calling conv. to __fortran -vcap VC++ compat: alloca in arg lists -ecs set calling conv. to __syscall -w=<N> set warning level number -ecw set calling conv. to __watcall -wcd=<N> disable warning message <N> -ee call epilogue hook routine -wce=<N> enable warning message <N> -ef full paths in messages -we treat all warnings as errors -ei force enums to be type int -wx set warning level to max -em minimum base type for enum is int -x preprocessor ignores env.variables -en emit routine names in the code -xr (C++) enable RTTI -ep[=<N>] call prologue hook routine -z{a,e} disable/enable extensions -eq do not display error messages -zc place strings in CODE segment -et P5 profiling -zd{f,p} DS floats vs DS pegged to DGROUP -ez generate PharLap EZ-OMF object -zdl load DS directly from DGROUP -fh=<FILE> pre-compiled headers -zf{f,p} FS floats vs FS pegged to seg -fhq[=<FILE>] fh without warnings -zg{f,p} GS floats vs GS pegged to seg -fhr (C++) only read PCH -zg function prototype using base type -fhw (C++) only write PCH -zk{0,0u,1,2,3,l} double-byte support -fhwe (C++) don't count PCH warnings -zku=<CODEPAGE> UNICODE support -fi=<FILE> force include of file -zl remove default library information -fo=<FILE> set object file name -zld remove file dependency information -fr=<FILE> set error file name -zm place functions in separate segments -ft (C++) check for 8.3 file names -zmf (C++) zm with near calls allowed -fx (C++) no check for 8.3 file names -zp{1,2,4,8,16} struct packing align. -g=<CODEGROUP> set code group name -zpw warning when padding a struct -hc codeview debug format -zq operate quietly -hd dwarf debug format -zs check syntax only -hw watcom debug format -zt<N> set data threshold -j change char default to signed -zu SS != DGROUP -m{f,s,m,c,l} memory model -zv (C++) enable virt. fun. removal opt -nc=<NAME> set CODE class name -zw generate code for MS Windows -nd=<NAME> set data segment name -zz remove @size from __stdcall func. -nm=<MODULE_NAME> set module name [ Debugging options ] -d0 no debugging information -d2t (C++) d2 but without type names -d1{+} line number debugging info. -d3 debug info with unref'd type names -d2 full symbolic debugging info. -d3i (C++) d3 + inlines as COMDATs -d2i (C++) d2 + inlines as COMDATs -d3s (C++) d3 + inlines as statics -d2s (C++) d2 + inlines as statics [ Optimization options ] -oa relax alias checking -ol+ ol with loop unrolling -ob branch prediction -om generate inline math functions -oc disable call/ret optimization -on numerically unstable floating-point -od disable optimizations -oo continue compile when low on memory -oe[=num] expand functions inline -op improve floating-point consistency -of[+] generate traceable stack frames-or re-order instructions to avoid stalls -oh enable repeated optimizations -os optimize for space -oi inline intrinsic functions -ot optimize for time -oi+ (C++) oi with max inlining depth -ou ensure unique addresses for functions -ok control flow entry/exit seq. -ox maximum optimization (-obmiler -s) -ol perform loop optimizations [ C++ exception handling options ] -xd no exception handling -xs exception handling: balanced -xds no exception handling: space -xss exception handling: space -xdt no exception handling -xst exception handling: time [ Preprocessor options ] -d<NAME>[=text] define a macro -u<NAME> undefine macro name -d+ extend syntax of -d option -pil ignore #line directives -fo=<FILENAME> set object file name -p{c,l,w=<N>} preprocess source file -i=<DIRECTORY> include directory c -&gt; preserve comments -t=<N> (C++) # of spaces in tab stop l -&gt; insert #line directives -tp=<NAME> (C) set #pragma on( <NAME> w=<N> -&gt; wrap output at column n [ Linker options ] -bd build Dynamic link library -fe=<EXECUTABLE> name executable file -bm build Multi-thread application -fm[=<MAP_FILE>] generate map file -br build with dll run-time library -k<STACK_SIZE> set stack size -bw build default Windowing app. -l=<OS> link for the specified OS -bcl=<OS> compile and link for OS. @<FILE> additional directive file -fd[=<FILE>[.lnk]] write directives -"<LINKER directives="">"</LINKER></FILE></FILE></OS></OS></STACK_SIZE></MAP_FILE></EXECUTABLE></N></NAME></NAME></N></DIRECTORY></N></FILENAME></NAME></NAME></MODULE_NAME></NAME></NAME></N></CODEGROUP></FILE></FILE></FILE></CODEPAGE></FILE></FILE></N></N></N></N></N></N></N></OS></NAME></OS> Mon, 08 Aug 2016 17:35:31 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102806#M69363 SergeyKostrov 2016-08-08T17:35:31Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102807#M69364 <STRONG>Open Watcom v2.0.0 64-bit Options</STRONG> Open Watcom C/C++ x86 32-bit Compile and Link Utility Version 2.0 beta Apr 2 2015 10:17:07 (64-bit) Copyright (c) 2002-2015 The Open Watcom Contributors. All Rights Reserved. Portions Copyright (c) 1988-2002 Sybase, Inc. All Rights Reserved. Source code is available under the Sybase Open Watcom Public License. See <A href="http://www.openwatcom.org/" target="_blank">http://www.openwatcom.org/</A> for details. Usage: wcl386 [options] file(s) Options: ( /option is also accepted ) -c compile only, no link -cc treat source files as C code -cc++ treat source files as C++ code -y ignore the WCL386 environment variable [ Processor options ] -3r 386 register calling conventions -5r Pentium register calling conv. -3s 386 stack calling conventions -5s Pentium stack calling conventions -4r 486 register calling conventions -6r Pentium Pro register call conven. -4s 486 stack calling conventions -6s Pentium Pro stack call conven. [ Floating-point processor options ] -fpc calls to floating-point library -fp2 generate 287 floating-point code -fpd enable Pentium FDIV check -fp3 generate 387 floating-point code -fpi inline 80x87 with emulation -fp5 optimize f-p for Pentium -fpi87 inline 80x87 -fp6 optimize f-p for Pentium Pro -fpr use old floating-point conventions [ Compiler options ] -bcl=<OS> compile and link for OS. -nt=<NAME> set text segment name -bt=<OS> compile for target OS. -q operate quietly -db generate browsing information -r save/restore segregs across calls -e=<N> set error limit number -ri promote function args/rets to int -ecc set calling conv. to __cdecl -s remove stack overflow checks -ecd set calling conv. to __stdcall -sg generate calls to grow the stack -ecf set calling conv. to __fastcall -st touch stack through SS first -ecp set calling conv. to __pascal -v output func declarations to .def -ecr set calling conv. to __fortran -vcap VC++ compat: alloca in arg lists -ecs set calling conv. to __syscall -w=<N> set warning level number -ecw set calling conv. to __watcall -wcd=<N> disable warning message <N> -ee call epilogue hook routine -wce=<N> enable warning message <N> -ef full paths in messages -we treat all warnings as errors -ei force enums to be type int -wx set warning level to max -em minimum base type for enum is int -x preprocessor ignores env.variables -en emit routine names in the code -xr (C++) enable RTTI -ep[=<N>] call prologue hook routine -z{a,e} disable/enable extensions -eq do not display error messages -zc place strings in CODE segment -et P5 profiling -zd{f,p} DS floats vs DS pegged to DGROUP -ez generate PharLap EZ-OMF object -zdl load DS directly from DGROUP -fh=<FILE> pre-compiled headers -zf{f,p} FS floats vs FS pegged to seg -fhq[=<FILE>] fh without warnings -zg{f,p} GS floats vs GS pegged to seg -fhr (C++) only read PCH -zg function prototype using base type -fhw (C++) only write PCH -zk{0,0u,1,2,3,l} double-byte support -fhwe (C++) don't count PCH warnings -zku=<CODEPAGE> UNICODE support -fi=<FILE> force include of file -zl remove default library information -fo=<FILE> set object file name -zld remove file dependency information -fr=<FILE> set error file name -zm place functions in separate segments -ft (C++) check for 8.3 file names -zmf (C++) zm with near calls allowed -fx (C++) no check for 8.3 file names -zp{1,2,4,8,16} struct packing align. -g=<CODEGROUP> set code group name -zpw warning when padding a struct -hc codeview debug format -zq operate quietly -hd dwarf debug format -zs check syntax only -hw watcom debug format -zt<N> set data threshold -j change char default to signed -zu SS != DGROUP -m{f,s,m,c,l} memory model -zv (C++) enable virt. fun. removal opt -nc=<NAME> set CODE class name -zw generate code for MS Windows -nd=<NAME> set data segment name -zz remove @size from __stdcall func. -nm=<MODULE_NAME> set module name [ Debugging options ] -d0 no debugging information -d2t (C++) d2 but without type names -d1{+} line number debugging info. -d3 debug info with unref'd type names -d2 full symbolic debugging info. -d3i (C++) d3 + inlines as COMDATs -d2i (C++) d2 + inlines as COMDATs -d3s (C++) d3 + inlines as statics -d2s (C++) d2 + inlines as statics [ Optimization options ] -oa relax alias checking -ol+ ol with loop unrolling -ob branch prediction -om generate inline math functions -oc disable call/ret optimization -on numerically unstable floating-point -od disable optimizations -oo continue compile when low on memory -oe[=num] expand functions inline -op improve floating-point consistency -of[+] generate traceable stack frames -or re-order instructions to avoid stalls -oh enable repeated optimizations -os optimize for space -oi inline intrinsic functions -ot optimize for time -oi+ (C++) oi with max inlining depth -ou ensure unique addresses for functions -ok control flow entry/exit seq. -ox maximum optimization (-obmiler -s) -ol perform loop optimizations [ C++ exception handling options ] -xd no exception handling -xs exception handling: balanced -xds no exception handling: space -xss exception handling: space -xdt no exception handling -xst exception handling: time [ Preprocessor options ] -d<NAME>[=text] define a macro -u<NAME> undefine macro name -d+ extend syntax of -d option -pil ignore #line directives -fo=<FILENAME> set object file name -p{c,l,w=<N>} preprocess source file -i=<DIRECTORY> include directory c -&gt; preserve comments -t=<N> (C++) # of spaces in tab stop l -&gt; insert #line directives -tp=<NAME> (C) set #pragma on( <NAME> w=<N> -&gt; wrap output at column n [ Linker options ] -bd build Dynamic link library -fe=<EXECUTABLE> name executable file -bm build Multi-thread application -fm[=<MAP_FILE>] generate map file -br build with dll run-time library -k<STACK_SIZE> set stack size -bw build default Windowing app. -l=<OS> link for the specified OS -bcl=<OS> compile and link for OS. @<FILE> additional directive file -fd[=<FILE>[.lnk]] write directives -"<LINKER directives="">"</LINKER></FILE></FILE></OS></OS></STACK_SIZE></MAP_FILE></EXECUTABLE></N></NAME></NAME></N></DIRECTORY></N></FILENAME></NAME></NAME></MODULE_NAME></NAME></NAME></N></CODEGROUP></FILE></FILE></FILE></CODEPAGE></FILE></FILE></N></N></N></N></N></N></N></OS></NAME></OS> Mon, 08 Aug 2016 17:36:37 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102807#M69364 SergeyKostrov 2016-08-08T17:36:37Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102808#M69365 <STRONG>VS1998PE 32-bit Options</STRONG> C/C++ COMPILER OPTIONS -OPTIMIZATION- /O1 minimize space /Op[-] improve floating-pt consistency /O2 maximize speed /Os favor code space /Oa assume no aliasing /Ot favor code speed /Ob<N> inline expansion (default n=0) /Ow assume cross-function aliasing /Od disable optimizations (default) /Ox maximum opts. (/Ogityb1 /Gs) /Og enable global optimization /Oy[-] enable frame pointer omission /Oi enable intrinsic functions -CODE GENERATION- /G3 optimize for 80386 /Gy separate functions for linker /G4 optimize for 80486 /Ge force stack checking for all funcs /G5 optimize for Pentium /Gs[num] disable stack checking calls /G6 optimize for Pentium Pro /Gh enable hook function call /GB optimize for blended model (default) /GR[-] enable C++ RTTI /Gd __cdecl calling convention /GX[-] enable C++ EH (same as /EHsc) /Gr __fastcall calling convention /Gi[-] enable incremental compilation /Gz __stdcall calling convention /Gm[-] enable minimal rebuild /GA optimize for Windows Application /EHs enable synchronous C++ EH /GD optimize for Windows DLL /EHa enable asynchronous C++ EH /Gf enable string pooling /EHc extern "C" defaults to nothrow /GF enable read-only string pooling /QIfdiv[-] enable Pentium FDIV fix /GZ enable runtime debug checks /QI0f[-] enable Pentium 0x0f fix -OUTPUT FILES- /Fa[file] name assembly listing file /Fo<FILE> name object file /FA[sc] configure assembly listing /Fp<FILE> name precompiled header file /Fd[file] name .PDB file /Fr[file] name source browser file /Fe<FILE> name executable file /FR[file] name extended .SBR file /Fm[file] name map file -PREPROCESSOR- /C don't strip comments /FI<FILE> name forced include file /D<NAME>{=|#}<TEXT> define macro /U<NAME> remove predefined macro /E preprocess to stdout /u remove all predefined macros /EP preprocess to stdout, no #line /I<DIR> add to include search path /P preprocess to file /X ignore "standard places" -LANGUAGE- /Zi enable debugging information /Zl omit default library name in .OBJ /ZI enable Edit and Continue debug info /Zg generate function prototypes /Z7 enable old-style debug info /Zs syntax check only /Zd line number debugging info only /vd{0|1} disable/enable vtordisp /Zp<N> pack structs on n-byte boundary /vm<X> type of pointers to members /Za disable extensions (implies /Op) /noBool disable "bool" keyword /Ze enable extensions (default) -MISCELLANEOUS- /?, /help print this help message /V<STRING> set version string /c compile only, no link /w disable all warnings /H<NUM> max external name length /W<N> set warning level (default n=1) /J default char type is unsigned /WX treat warnings as errors /nologo suppress copyright message /Yc[file] create .PCH file /Tc<SOURCE file=""> compile file as .c /Yd put debug info in every .OBJ /Tp<SOURCE file=""> compile file as .cpp /Yu[file] use .PCH file /TC compile all files as .c /YX[file] automatic .PCH /TP compile all files as .cpp /Zm<N> max memory alloc (% of default) -LINKING- /MD link with MSVCRT.LIB /MDd link with MSVCRTD.LIB debug lib /ML link with LIBC.LIB /MLd link with LIBCD.LIB debug lib /MT link with LIBCMT.LIB /MTd link with LIBCMTD.LIB debug lib /LD Create .DLL /F<NUM> set stack size /LDd Create .DLL debug libary /link [linker options and libraries]</NUM></N></SOURCE></SOURCE></N></NUM></STRING></X></N></DIR></NAME></TEXT></NAME></FILE></FILE></FILE></FILE></N> Mon, 08 Aug 2016 17:38:29 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102808#M69365 SergeyKostrov 2016-08-08T17:38:29Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102809#M69366 <STRONG>PE</STRONG> stands for <STRONG>Professional Edition</STRONG> <STRONG>EE</STRONG> stands for <STRONG>Express Edition</STRONG> Mon, 08 Aug 2016 17:39:45 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102809#M69366 SergeyKostrov 2016-08-08T17:39:45Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102810#M69367 <STRONG>VS2005PE 32-bit Options</STRONG> C/C++ COMPILER OPTIONS -OPTIMIZATION- /O1 minimize space /O2 maximize speed /Ob<N> inline expansion (default n=0) /Od disable optimizations (default) /Og enable global optimization /Oi[-] enable intrinsic functions /Os favor code space /Ot favor code speed /Ox maximum optimizations /Oy[-] enable frame pointer omission -CODE GENERATION- /GF enable read-only string pooling /Gm[-] enable minimal rebuild /Gy[-] separate functions for linker /GS[-] enable security checks /GR[-] enable C++ RTTI /GX[-] enable C++ EH (same as /EHsc) /EHs enable C++ EH (no SEH exceptions) /EHa enable C++ EH (w/ SEH exceptions) /EHc extern "C" defaults to nothrow /fp:<EXCEPT> choose floating-point model: except[-] - consider floating-point exceptions when generating code fast - "fast" floating-point model; results are less predictable precise - "precise" floating-point model; results are predictable strict - "strict" floating-point model (implies /fp:except) /GL[-] enable link-time code generation /GA optimize for Windows Application /Ge force stack checking for all funcs /Gs[num] control stack checking calls /Gh enable _penter function call /GH enable _pexit function call /GT generate fiber-safe TLS accesses /RTC1 Enable fast checks (/RTCsu) /RTCc Convert to smaller type checks /RTCs Stack Frame runtime checking /RTCu Uninitialized local usage checks /clr[:option] compile for common language runtime, where option is: pure - produce IL-only output file (no native executable code) safe - produce IL-only verifiable output file oldSyntax - accept the Managed Extensions syntax from Visual C++ 2002/2003 initialAppDomain - enable initial AppDomain behavior of Visual C++ 2002 noAssembly - do not produce an assembly /Gd __cdecl calling convention /Gr __fastcall calling convention /Gz __stdcall calling convention /GZ Enable stack checks (/RTCs) /QIfist[-] use FIST instead of ftol() /hotpatch ensure function padding for hotpatchable images /arch:<SSE> minimum CPU architecture requirements, one of: SSE - enable use of instructions available with SSE enabled CPUs SSE2 - enable use of instructions available with SSE2 enabled CPUs -OUTPUT FILES- /Fa[file] name assembly listing file /FA[scu] configure assembly listing /Fd[file] name .PDB file /Fe<FILE> name executable file /Fm[file] name map file /Fo<FILE> name object file /Fp<FILE> name precompiled header file /Fr[file] name source browser file /FR[file] name extended .SBR file /doc[file] process XML documentation comments and optionally name the .xdc file -PREPROCESSOR- /AI<DIR> add to assembly search path /FU<FILE> forced using assembly/module /C don't strip comments /D<NAME>{=|#}<TEXT> define macro /E preprocess to stdout /EP preprocess to stdout, no #line /P preprocess to file /Fx merge injected code to file /FI<FILE> name forced include file /U<NAME> remove predefined macro /u remove all predefined macros /I<DIR> add to include search path /X ignore "standard places" -LANGUAGE- /Zi enable debugging information /Z7 enable old-style debug info /Zp<N> pack structs on n-byte boundary /Za disable extensions /Ze enable extensions (default) /Zl omit default library name in .OBJ /Zg generate function prototypes /Zs syntax check only /vd{0|1|2} disable/enable vtordisp /vm<X> type of pointers to members /Zc:arg1[,arg2] C++ language conformance, where arguments can be: forScope[-] - enforce Standard C++ for scoping rules wchar_t[-] - wchar_t is the native type, not a typedef /ZI enable Edit and Continue debug info /openmp enable OpenMP 2.0 language extensions -MISCELLANEOUS- @<FILE> options response file /?, /help print this help message /bigobj generate extended object format /c compile only, no link /errorReport:option Report internal compiler errors to Microsoft none - do not send report prompt - prompt to immediately send report queue - at next admin logon, prompt to send report (default) send - send report automatically /FC use full pathnames in diagnostics /H<NUM> max external name length /J default char type is unsigned /nologo suppress copyright message /showIncludes show include file names /Tc<SOURCE file=""> compile file as .c /Tp<SOURCE file=""> compile file as .cpp /TC compile all files as .c /TP compile all files as .cpp /V<STRING> set version string /w disable all warnings /wd<N> disable warning n /we<N> treat warning n as an error /wo<N> issue warning n once /w<L><N> set warning level 1-4 for n /W<N> set warning level (default n=1) /Wall enable all warnings /WL enable one line diagnostics /WX treat warnings as errors /Yc[file] create .PCH file /Yd put debug info in every .OBJ /Yl[sym] inject .PCH ref for debug lib /Yu[file] use .PCH file /Y- disable all PCH options /Zm<N> max memory alloc (% of default) /Wp64 enable 64 bit porting warnings -LINKING- /LD Create .DLL /LDd Create .DLL debug library /LN Create a .netmodule /F<NUM> set stack size /link [linker options and libraries] /MD link with MSVCRT.LIB /MT link with LIBCMT.LIB /MDd link with MSVCRTD.LIB debug lib /MTd link with LIBCMTD.LIB debug lib</NUM></N></N></N></L></N></N></N></STRING></SOURCE></SOURCE></NUM></FILE></X></N></DIR></NAME></FILE></TEXT></NAME></FILE></DIR></FILE></FILE></FILE></SSE></EXCEPT></N> Mon, 08 Aug 2016 17:40:39 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102810#M69367 SergeyKostrov 2016-08-08T17:40:39Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102811#M69368 <STRONG>VS2005PE 64-bit Options</STRONG> C/C++ COMPILER OPTIONS -OPTIMIZATION- /O1 minimize space /O2 maximize speed /Ob<N> inline expansion (default n=0) /Od disable optimizations (default) /Og enable global optimization /Oi[-] enable intrinsic functions /Os favor code space /Ot favor code speed /Ox maximum optimizations /favor:<BLEND> select processor to optimize for, one of: blend - a combination of optimizations for several different x64 processors AMD64 - 64-bit AMD processors EM64T - Intel Pentium processors supporting EM64T -CODE GENERATION- /GF enable read-only string pooling /Gm[-] enable minimal rebuild /Gy[-] separate functions for linker /GS[-] enable security checks /GR[-] enable C++ RTTI /GX[-] enable C++ EH (same as /EHsc) /EHs enable C++ EH (no SEH exceptions) /EHa enable C++ EH (w/ SEH exceptions) /EHc extern "C" defaults to nothrow /fp:<EXCEPT> choose floating-point model: except[-] - consider floating-point exceptions when generating code fast - "fast" floating-point model; results are less predictable precise - "precise" floating-point model; results are predictable strict - "strict" floating-point model (implies /fp:except) /GL[-] enable link-time code generation /GA optimize for Windows Application /Ge force stack checking for all funcs /Gs[num] control stack checking calls /Gh enable _penter function call /GH enable _pexit function call /GT generate fiber-safe TLS accesses /RTC1 Enable fast checks (/RTCsu) /RTCc Convert to smaller type checks /RTCs Stack Frame runtime checking /RTCu Uninitialized local usage checks /clr[:option] compile for common language runtime, where option is: pure - produce IL-only output file (no native executable code) safe - produce IL-only verifiable output file oldSyntax - accept the Managed Extensions syntax from Visual C++ 2002/2003 initialAppDomain - enable initial AppDomain behavior of Visual C++ 2002 noAssembly - do not produce an assembly /homeparams Force parameters passed in registers to be written to the stack /GZ Enable stack checks (/RTCs) -OUTPUT FILES- /Fa[file] name assembly listing file /FA[scu] configure assembly listing /Fd[file] name .PDB file /Fe<FILE> name executable file /Fm[file] name map file /Fo<FILE> name object file /Fp<FILE> name precompiled header file /Fr[file] name source browser file /FR[file] name extended .SBR file /doc[file] process XML documentation comments and optionally name the .xdc file -PREPROCESSOR- /AI<DIR> add to assembly search path /FU<FILE> forced using assembly/module /C don't strip comments /D<NAME>{=|#}<TEXT> define macro /E preprocess to stdout /EP preprocess to stdout, no #line /P preprocess to file /Fx merge injected code to file /FI<FILE> name forced include file /U<NAME> remove predefined macro /u remove all predefined macros /I<DIR> add to include search path /X ignore "standard places" -LANGUAGE- /Zi enable debugging information /Z7 enable old-style debug info /Zp<N> pack structs on n-byte boundary /Za disable extensions /Ze enable extensions (default) /Zl omit default library name in .OBJ /Zg generate function prototypes /Zs syntax check only /vd{0|1|2} disable/enable vtordisp /vm<X> type of pointers to members /Zc:arg1[,arg2] C++ language conformance, where arguments can be: forScope[-] - enforce Standard C++ for scoping rules wchar_t[-] - wchar_t is the native type, not a typedef /openmp enable OpenMP 2.0 language extensions -MISCELLANEOUS- @<FILE> options response file /?, /help print this help message /bigobj generate extended object format /c compile only, no link /errorReport:option Report internal compiler errors to Microsoft none - do not send report prompt - prompt to immediately send report queue - at next admin logon, prompt to send report (default) send - send report automatically /FC use full pathnames in diagnostics /H<NUM> max external name length /J default char type is unsigned /nologo suppress copyright message /showIncludes show include file names /Tc<SOURCE file=""> compile file as .c /Tp<SOURCE file=""> compile file as .cpp /TC compile all files as .c /TP compile all files as .cpp /V<STRING> set version string /w disable all warnings /wd<N> disable warning n /we<N> treat warning n as an error /wo<N> issue warning n once /w<L><N> set warning level 1-4 for n /W<N> set warning level (default n=1) /Wall enable all warnings /WL enable one line diagnostics /WX treat warnings as errors /Yc[file] create .PCH file /Yd put debug info in every .OBJ /Yl[sym] inject .PCH ref for debug lib /Yu[file] use .PCH file /Y- disable all PCH options /Zm<N> max memory alloc (% of default) /Wp64 enable 64 bit porting warnings -LINKING- /LD Create .DLL /LDd Create .DLL debug library /LN Create a .netmodule /F<NUM> set stack size /link [linker options and libraries] /MD link with MSVCRT.LIB /MT link with LIBCMT.LIB /MDd link with MSVCRTD.LIB debug lib /MTd link with LIBCMTD.LIB debug lib</NUM></N></N></N></L></N></N></N></STRING></SOURCE></SOURCE></NUM></FILE></X></N></DIR></NAME></FILE></TEXT></NAME></FILE></DIR></FILE></FILE></FILE></EXCEPT></BLEND></N> Mon, 08 Aug 2016 17:41:42 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102811#M69368 SergeyKostrov 2016-08-08T17:41:42Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102812#M69369 <STRONG>VS2008EE 32-bit Options</STRONG> C/C++ COMPILER OPTIONS -OPTIMIZATION- /O1 minimize space /O2 maximize speed /Ob<N> inline expansion (default n=0) /Od disable optimizations (default) /Og enable global optimization /Oi[-] enable intrinsic functions /Os favor code space /Ot favor code speed /Ox maximum optimizations /Oy[-] enable frame pointer omission -CODE GENERATION- /GF enable read-only string pooling /Gm[-] enable minimal rebuild /Gy[-] separate functions for linker /GS[-] enable security checks /GR[-] enable C++ RTTI /GX[-] enable C++ EH (same as /EHsc) /EHs enable C++ EH (no SEH exceptions) /EHa enable C++ EH (w/ SEH exceptions) /EHc extern "C" defaults to nothrow /fp:<EXCEPT> choose floating-point model: except[-] - consider floating-point exceptions when generating code fast - "fast" floating-point model; results are less predictable precise - "precise" floating-point model; results are predictable strict - "strict" floating-point model (implies /fp:except) /Qfast_transcendentals generate inline FP intrinsics even with /fp:except /GL[-] enable link-time code generation /GA optimize for Windows Application /Ge force stack checking for all funcs /Gs[num] control stack checking calls /Gh enable _penter function call /GH enable _pexit function call /GT generate fiber-safe TLS accesses /RTC1 Enable fast checks (/RTCsu) /RTCc Convert to smaller type checks /RTCs Stack Frame runtime checking /RTCu Uninitialized local usage checks /clr[:option] compile for common language runtime, where option is: pure - produce IL-only output file (no native executable code) safe - produce IL-only verifiable output file oldSyntax - accept the Managed Extensions syntax from Visual C++ 2002/2003 initialAppDomain - enable initial AppDomain behavior of Visual C++ 2002 noAssembly - do not produce an assembly /Gd __cdecl calling convention /Gr __fastcall calling convention /Gz __stdcall calling convention /GZ Enable stack checks (/RTCs) /QIfist[-] use FIST instead of ftol() /hotpatch ensure function padding for hotpatchable images /arch:<SSE> minimum CPU architecture requirements, one of: SSE - enable use of instructions available with SSE enabled CPUs SSE2 - enable use of instructions available with SSE2 enabled CPUs /Qimprecise_fwaits generate FWAITs only on "try" boundaries, not inside "try" -OUTPUT FILES- /Fa[file] name assembly listing file /FA[scu] configure assembly listing /Fd[file] name .PDB file /Fe<FILE> name executable file /Fm[file] name map file /Fo<FILE> name object file /Fp<FILE> name precompiled header file /Fr[file] name source browser file /FR[file] name extended .SBR file /doc[file] process XML documentation comments and optionally name the .xdc file -PREPROCESSOR- /AI<DIR> add to assembly search path /FU<FILE> forced using assembly/module /C don't strip comments /D<NAME>{=|#}<TEXT> define macro /E preprocess to stdout /EP preprocess to stdout, no #line /P preprocess to file /Fx merge injected code to file /FI<FILE> name forced include file /U<NAME> remove predefined macro /u remove all predefined macros /I<DIR> add to include search path /X ignore "standard places" -LANGUAGE- /Zi enable debugging information /Z7 enable old-style debug info /Zp<N> pack structs on n-byte boundary /Za disable extensions /Ze enable extensions (default) /Zl omit default library name in .OBJ /Zg generate function prototypes /Zs syntax check only /vd{0|1|2} disable/enable vtordisp /vm<X> type of pointers to members /Zc:arg1[,arg2] C++ language conformance, where arguments can be: forScope[-] - enforce Standard C++ for scoping rules wchar_t[-] - wchar_t is the native type, not a typedef /ZI enable Edit and Continue debug info /openmp enable OpenMP 2.0 language extensions -MISCELLANEOUS- @<FILE> options response file /?, /help print this help message /bigobj generate extended object format /c compile only, no link /errorReport:option Report internal compiler errors to Microsoft none - do not send report prompt - prompt to immediately send report queue - at next admin logon, prompt to send report (default) send - send report automatically /FC use full pathnames in diagnostics /H<NUM> max external name length /J default char type is unsigned /MP<N> use up to 'n' processes for compilation /nologo suppress copyright message /showIncludes show include file names /Tc<SOURCE file=""> compile file as .c /Tp<SOURCE file=""> compile file as .cpp /TC compile all files as .c /TP compile all files as .cpp /V<STRING> set version string /w disable all warnings /wd<N> disable warning n /we<N> treat warning n as an error /wo<N> issue warning n once /w<L><N> set warning level 1-4 for n /W<N> set warning level (default n=1) /Wall enable all warnings /WL enable one line diagnostics /WX treat warnings as errors /Yc[file] create .PCH file /Yd put debug info in every .OBJ /Yl[sym] inject .PCH ref for debug lib /Yu[file] use .PCH file /Y- disable all PCH options /Zm<N> max memory alloc (% of default) /Wp64 enable 64 bit porting warnings -LINKING- /LD Create .DLL /LDd Create .DLL debug library /LN Create a .netmodule /F<NUM> set stack size /link [linker options and libraries] /MD link with MSVCRT.LIB /MT link with LIBCMT.LIB /MDd link with MSVCRTD.LIB debug lib /MTd link with LIBCMTD.LIB debug lib</NUM></N></N></N></L></N></N></N></STRING></SOURCE></SOURCE></N></NUM></FILE></X></N></DIR></NAME></FILE></TEXT></NAME></FILE></DIR></FILE></FILE></FILE></SSE></EXCEPT></N> Mon, 08 Aug 2016 17:42:40 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102812#M69369 SergeyKostrov 2016-08-08T17:42:40Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102813#M69370 <STRONG>VS2008EE 64-bit Options</STRONG> Note: Microsoft did Not released a 64-bit version of VS 2008 Express Edition. Mon, 08 Aug 2016 17:44:26 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102813#M69370 SergeyKostrov 2016-08-08T17:44:26Z https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102814#M69371 <STRONG>VS2008PE 32-bit Options</STRONG> C/C++ COMPILER OPTIONS -OPTIMIZATION- /O1 minimize space /O2 maximize speed /Ob<N> inline expansion (default n=0) /Od disable optimizations (default) /Og enable global optimization /Oi[-] enable intrinsic functions /Os favor code space /Ot favor code speed /Ox maximum optimizations /Oy[-] enable frame pointer omission -CODE GENERATION- /GF enable read-only string pooling /Gm[-] enable minimal rebuild /Gy[-] separate functions for linker /GS[-] enable security checks /GR[-] enable C++ RTTI /GX[-] enable C++ EH (same as /EHsc) /EHs enable C++ EH (no SEH exceptions) /EHa enable C++ EH (w/ SEH exceptions) /EHc extern "C" defaults to nothrow /fp:<EXCEPT> choose floating-point model: except[-] - consider floating-point exceptions when generating code fast - "fast" floating-point model; results are less predictable precise - "precise" floating-point model; results are predictable strict - "strict" floating-point model (implies /fp:except) /Qfast_transcendentals generate inline FP intrinsics even with /fp:except /GL[-] enable link-time code generation /GA optimize for Windows Application /Ge force stack checking for all funcs /Gs[num] control stack checking calls /Gh enable _penter function call /GH enable _pexit function call /GT generate fiber-safe TLS accesses /RTC1 Enable fast checks (/RTCsu) /RTCc Convert to smaller type checks /RTCs Stack Frame runtime checking /RTCu Uninitialized local usage checks /clr[:option] compile for common language runtime, where option is: pure - produce IL-only output file (no native executable code) safe - produce IL-only verifiable output file oldSyntax - accept the Managed Extensions syntax from Visual C++ 2002/2003 initialAppDomain - enable initial AppDomain behavior of Visual C++ 2002 noAssembly - do not produce an assembly /Gd __cdecl calling convention /Gr __fastcall calling convention /Gz __stdcall calling convention /GZ Enable stack checks (/RTCs) /QIfist[-] use FIST instead of ftol() /hotpatch ensure function padding for hotpatchable images /arch:<SSE> minimum CPU architecture requirements, one of: SSE - enable use of instructions available with SSE enabled CPUs SSE2 - enable use of instructions available with SSE2 enabled CPUs /Qimprecise_fwaits generate FWAITs only on "try" boundaries, not inside "try" -OUTPUT FILES- /Fa[file] name assembly listing file /FA[scu] configure assembly listing /Fd[file] name .PDB file /Fe<FILE> name executable file /Fm[file] name map file /Fo<FILE> name object file /Fp<FILE> name precompiled header file /Fr[file] name source browser file /FR[file] name extended .SBR file /doc[file] process XML documentation comments and optionally name the .xdc file -PREPROCESSOR- /AI<DIR> add to assembly search path /FU<FILE> forced using assembly/module /C don't strip comments /D<NAME>{=|#}<TEXT> define macro /E preprocess to stdout /EP preprocess to stdout, no #line /P preprocess to file /Fx merge injected code to file /FI<FILE> name forced include file /U<NAME> remove predefined macro /u remove all predefined macros /I<DIR> add to include search path /X ignore "standard places" -LANGUAGE- /Zi enable debugging information /Z7 enable old-style debug info /Zp<N> pack structs on n-byte boundary /Za disable extensions /Ze enable extensions (default) /Zl omit default library name in .OBJ /Zg generate function prototypes /Zs syntax check only /vd{0|1|2} disable/enable vtordisp /vm<X> type of pointers to members /Zc:arg1[,arg2] C++ language conformance, where arguments can be: forScope[-] - enforce Standard C++ for scoping rules wchar_t[-] - wchar_t is the native type, not a typedef /ZI enable Edit and Continue debug info /openmp enable OpenMP 2.0 language extensions -MISCELLANEOUS- @<FILE> options response file /?, /help print this help message /bigobj generate extended object format /c compile only, no link /errorReport:option Report internal compiler errors to Microsoft none - do not send report prompt - prompt to immediately send report queue - at next admin logon, prompt to send report (default) send - send report automatically /FC use full pathnames in diagnostics /H<NUM> max external name length /J default char type is unsigned /MP<N> use up to 'n' processes for compilation /nologo suppress copyright message /showIncludes show include file names /Tc<SOURCE file=""> compile file as .c /Tp<SOURCE file=""> compile file as .cpp /TC compile all files as .c /TP compile all files as .cpp /V<STRING> set version string /w disable all warnings /wd<N> disable warning n /we<N> treat warning n as an error /wo<N> issue warning n once /w<L><N> set warning level 1-4 for n /W<N> set warning level (default n=1) /Wall enable all warnings /WL enable one line diagnostics /WX treat warnings as errors /Yc[file] create .PCH file /Yd put debug info in every .OBJ /Yl[sym] inject .PCH ref for debug lib /Yu[file] use .PCH file /Y- disable all PCH options /Zm<N> max memory alloc (% of default) /Wp64 enable 64 bit porting warnings -LINKING- /LD Create .DLL /LDd Create .DLL debug library /LN Create a .netmodule /F<NUM> set stack size /link [linker options and libraries] /MD link with MSVCRT.LIB /MT link with LIBCMT.LIB /MDd link with MSVCRTD.LIB debug lib /MTd link with LIBCMTD.LIB debug lib</NUM></N></N></N></L></N></N></N></STRING></SOURCE></SOURCE></N></NUM></FILE></X></N></DIR></NAME></FILE></TEXT></NAME></FILE></DIR></FILE></FILE></FILE></SSE></EXCEPT></N> Mon, 08 Aug 2016 17:45:18 GMT https://community.intel.com/t5/Software-Archive/Evolution-of-Command-Line-options-of-different-C-compilers/m-p/1102814#M69371 SergeyKostrov 2016-08-08T17:45:18Z