VC compiler VS compiler switch meaning and description



/O1 Minimized space Minimize spaces

/op[-] Improved floating point consistency improve floating-pt consistency/o2 Maximum speed maximize /os Preferred code space favor /oa assumes no alias assume no aliasing /ot preferred code speed favor /ob Inline expansion (default n=0) inline expansion (defaults n=0) /ow assumes crossover function alias assume Cross-function aliasing /od Disable Optimizations (defaults) disable optimizations (default) /ox maximize options.   (/OGITYB2/GS) Maximum opts. (/OGITYB1/GS) /og enabling global optimization enable globally optimization /oy[-] Enable frame pointer omit enable frame pointer omission /oi Enabling the built-in function enable intrinsic functions -code Generation- /g3 for 80386 optimization optimize for 80386 /g4 for 80486 optimization optimize for 80486 /gr[-] Enabling C + + RTTI enable C + + RTTI /g5 for Pentium optimization optimize for Pentium /g6 optimized for Pentium Pro optimize for Pentium Pro /gx[-] Enable C + + exception handling (same as/EHSC) enable C + + EH (same AS/EHSC) /EHs Enabling synchronous C + + exception handling enable synchronous C + + EH /gd optimized for Windows DLLs optimize for Windows DLLs /GB optimized for mixed models (default) optimize for blended model /EHa Enabling asynchronous C + + exception handling enable asynchronous C + + EH /gd __cdecl calling convention __cdecl calling convention /ehc extern "C" defaults to nothrow extern ' C ' defaults to Nothrow /gr __fastcall calling convention __fastcall calling convention /gi[-] Enabling incremental compilation enable incremental compilation /gz __stdcall Calling convention __stdcall calling convention /gm[-] Enabling minimal rebuild enable minimal rebuild /ga optimized for Windows applications optimize for Windows application /GF enabling string pooling enable strings pooling /qifdiv[-] Enabling Pentium FDIV repair enable Pentium FDIV fix /GF Enabling read-only string pooling enable Read-only string pooling /qi0f[-] Enabling Pentium 0x0f repair enable Pentium 0x0f fix /gy separating linker functions separate functions for linker /gz enabling runtime Debug check Enable runtime Debug checks /gh enable hook function call /ge force stack check on all functions checking for all Funcs /gs[num] Disable stack check call disable stack checking calls -Output file- /fa[file] Name the assembly list file name assembly listing files /fo named object file name /FA[SC] Configuring the Assembly list Configure assembly listing /fp naming precompiled header Files Name precompiled header file /fd[file] named. PDB file name. PDB file /fr[file] Name Source browser file name sources browser files /fe Name Executable name executable file /fr[file] name extension. SBR file name extended. SBR file /fm[file] Name map file name map files -Preprocessor- /FI naming mandatory include files name forced include file /C do not draw comments don ' t strip comments / u remove pre-defined macro remove predefined macro /d{=|#} Defining macros define Macro / u Remove all pre-defined macros remove all predefined macros / e directs preprocessing to standard output preprocess to stdout /I add a search path to the include file add to include search paths /EP directs preprocessing to standard output, without line number preprocess to stdout, no #line / x ignores "standard position" ignore "standardized places" / p preprocessing to file Preprocess -language- /zi Enabling debug information enable debugging information /zl ignored. The default library name in OBJ is omit in. OBJ /zi "Edit and Continue" enabled debug information enable Edit and Continue Debug Info /ZG generating function prototypes generate functions Prototypes /z7 enabling legacy Debugging information enable Old-style Debug Info /zs only syntax check syntax check only /zd only the line number of the debug information lines debugging info only /vd{0|1} disable/enable Vtordisp disable/enable vtordisp /zp[n] on N-byte boundaries packing structure pack structs on n-byte boundary /vm Pointer to member type of pointers to members /za Disabling extensions (alluding to/op) disable extensions (IMPLIES/OP) /nobool disables the "bool" keyword disable "bool" keyword /ze enabling Extensions (default) enable extensions -Miscellaneous- /?,/help Print this help message / c only compile, not link compile only, no link /w set warning levels (default n=1) Set warning level (defaults n=1) / H maximizes external name lengths max external name length the/j default char type is unsigned default char, type is unsigned /nologo Suppress copyright message suppress /WX the warning as error treat warnings as errors /TC compiles the file to. C compile as. C /yc[file] created. PCH file Create. PCH file /TP compile the file as. cpp compile files as. cpp /yd put debug information on each. In OBJ, put debug info in every. OBJ /TC compiles all files into. C Compile all file as. C /TP compiles all files into. cpp compile all file as. cpp /yu[file] use. PCH file use. PCH file / v Set version string set /yx[file] Automatic. PCH file Automatic. PCH /w Disable All warnings disable all warnings /zm Maximum memory allocation (default%) Max Memory Alloc (% of default) -Link- /MD and MSVCRT. LIB link with MSVCRT. LIB /MDd and MSVCRTD. The LIB debug library links link with MSVCRTD. Lib Debug Lib /ml and LIBC. LIB link with LIBC. LIB /MLd and LIBCD. The LIB debug library links link with LIBCD. Lib Debug Lib /MT and LIBCMT. LIB link with LIBCMT. LIB /MTd and LIBCMTD. The LIB debug library links link with LIBCMTD. Lib Debug Lib /LD created. DLL Create. DLL /F Set stack size set stacks size /ldd created. DLL Debug Library Create. DLL Debug Libary /LINK [linker options and libraries] [linker options and libraries]