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Compiler Options Listed by Category

This article contains a categorical list of compiler options. For an alphabetical list, see Compiler Options Listed Alphabetically.





Creates small code.


Creates fast code.


Controls inline expansion.


Disables optimization.


Uses global optimizations.


Generates intrinsic functions.


Favors small code.


Favors fast code.


Uses maximum optimization (/Ob2gity /Gs).


Omits frame pointer. (x86 only)

Code Generation




Use SSE or SSE2 instructions in code generation. (x86 only)


Increases the number of addressable sections in an .obj file.


Produces an output file to run on the common language runtime.


Specifies the model of exception handling.


Produces code that is optimized for a specific x64 architecture or for the specifics of micro-architectures in both the AMD64 and Extended Memory 64 Technology (EM64T) architectures.


Specifies floating-point behavior.


Uses the __cdecl calling convention. (x86 only)


Activates stack probes.


Enables string pooling.


Calls hook function _penter.


Calls hook function _pexit.


Enables whole program optimization.


Enables minimal rebuild.


Enables run-time type information (RTTI).


Uses the __fastcall calling convention. (x86 only)


Controls stack probes.


Supports fiber safety for data allocated by using static thread-local storage.


Enables synchronous exception handling.


Enables function-level linking.


Uses the __stdcall calling convention. (x86 only)


Creates a multithreaded DLL by using MSVCRT.lib.


Creates a debug multithreaded DLL by using MSVCRTD.lib.


Creates a multithreaded executable file by using LIBCMT.lib.


Creates a debug multithreaded executable file by using LIBCMTD.lib.


Generates fast transcendentals.


Removes fwait commands inside try blocks.


Enables automatic parallelization of loops that are marked with the #pragma loop() directive.

/Qvec-report (Auto-Vectorizer Reporting Level)

Enables reporting levels for automatic vectorization.


Produces an output file to run on the Windows Runtime.

Output Files




Configures an assembly listing file.


Creates an assembly listing file.


Renames program database file.


Renames the executable file.


Specifies the preprocessed output file name.


Creates a mapfile.


Creates an object file.


Specifies a precompiled header file name.


Generates browser files.


Merges injected code with the source file.





Checks buffer security.


Same as /RTC1


Forces parameters passed in registers to be written to their locations on the stack upon function entry. This compiler option is only for the x64 compilers (native and cross compile).


Enables run-time error checking.


Detects 64-bit portability problems.


Places complete debugging information in all object files.


Injects a PCH reference when creating a debug library.


Generates C 7.0–compatible debugging information.


Generates complete debugging information.


Includes debug information in a program database compatible with Edit and Continue. (x86 only)





Specifies a directory to search to resolve file references passed to the #using directive.


Preserves comments during preprocessing.


Defines constants and macros.


Copies preprocessor output to standard output.


Copies preprocessor output to standard output.


Preprocesses the specified include file.


Forces the use of a file name, as if it had been passed to the #using directive.


Searches a directory for include files.


Writes preprocessor output to a file.


Removes a predefined macro.


Removes all predefined macros.


Ignores the standard include directory.





Enables #pragma omp in source code.


Suppresses or enables hidden vtordisp class members.


Uses best base for pointers to members.


Uses full generality for pointers to members.


Declares multiple inheritance.


Declares single inheritance.


Declares virtual inheritance.


Selects how the volatile keyword is interpreted.


Disables language extensions.


Specifies standard behavior under /Ze.


Enables language extensions.


Generates function prototypes.


Removes the default library name from the .obj file.


Packs structure members.


Checks syntax only.





Sets stack size.


Creates a dynamic-link library.


Creates a debug dynamic-link library.


Creates an MSIL module.


Passes the specified option to LINK.


Compiles to create a multithreaded DLL, by using MSVCRT.lib.


Compiles to create a debug multithreaded DLL, by using MSVCRTD.lib.


Compiles to create a multithreaded executable file, by using LIBCMT.lib.


Compiles to create a debug multithreaded executable file, by using LIBCMTD.lib.

Precompiled Header




Ignores all other precompiled-header compiler options in the current build.


Creates a precompiled header file.


Places complete debugging information in all object files.


Uses a precompiled header file during build.





Lists the compiler options.


Specifies a response file.


Enables code analysis.


Compiles without linking.


Processes documentation comments to an XML file.


Enables you to provide internal compiler error (ICE) information directly to the Visual C++ team.


Displays the full path of source code files passed to cl.exe in diagnostic text.


Restricts the length of external (public) names.


Lists the compiler options.


Creates a hotpatchable image.


Changes the default char type.


The compiler and linker will create a binary that can be executed in the Windows kernel.


Builds multiple source files concurrently.


Suppresses display of sign-on banner.


Suppresses the call of the helper function _ftol when a conversion from a floating-point type to an integral type is required. (x86 only)


Does not generate sequences of instructions that give unexpected results, according to the errata for the B CPU stepping. (IPF only)


Does not generate sequences of instructions that give unexpected results, according to the errata for the C CPU stepping. (IPF only)


Do not use upper 96 floating-point registers. (IPF only)


Generates an image with position dependent code (IPF only).


Enhances performance for programs that do not create functions at runtime. (IPF only)


Enables additional security features and warnings.


Displays a list of all include files during compilation.


Specifies a C source file.


Specifies a C++ source file.


Sets the version string.


Enables all warnings, including warnings that are disabled by default.


Sets warning level.


Disables all warnings.


Enables one-line diagnostics for error and warning messages when compiling C++ source code from the command line.


Specifies the precompiled header memory allocation limit.