Alphabetical Option List

Developer Guide and Reference

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ID 767251

Date 10/31/2024

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Visible to Intel only — GUID: GUID-F1391F3A-D995-4EBE-BBDA-9A07D601C2F3

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Alphabetical Option List

The following table lists current compiler options in alphabetical order.

NOTE:

Several Clang compiler options are supported for the ifx compiler, such as some of the -fprofile options. We do not document these options. For more information about Clang options, see the Clang documentation.

The Clang -fprofile options replace the functionality of the previous [Q]prof options, which are no longer supported.

4Nportlib, 4Yportlib	Determines whether the compiler links to the library of portability routines.
align	Tells the compiler how to align certain data items.
allow	Determines whether the compiler allows certain behaviors.
altparam	Allows alternate syntax (without parentheses) for PARAMETER statements.
ansi-alias, Qansi-alias	Tells the compiler to assume certain rules of the Fortran standard regarding aliasing and array bounds.
arch	Tells the compiler which features it may target, including which instruction sets it may generate.
assume	Tells the compiler to make certain assumptions.
auto	Causes all local, non-SAVEd variables to be allocated to the runtime stack.
auto-scalar, Qauto-scalar	Causes scalar variables of intrinsic types INTEGER, REAL, COMPLEX, and LOGICAL that do not have the SAVE attribute to be allocated to the runtime stack.
ax, Qax	Tells the compiler to generate multiple, feature-specific auto-dispatch code paths for Intel® processors if there is a performance benefit.
B	Specifies a directory that can be used to find include files, libraries, and executables.
Bdynamic	Enables dynamic linking of libraries at runtime.
Bstatic	Enables static linking of a user's library.
Bsymbolic	Binds references to all global symbols in a program to the definitions within a user's shared library.
Bsymbolic-functions	Binds references to all global function symbols in a program to the definitions within a user's shared library.
c	Causes the compiler to generate an object only and not link.
ccdefault	Specifies the type of carriage control used when a file is displayed at a terminal screen.
check	Checks for certain conditions at runtime.
coarray, Qcoarray	Enables the coarray feature.
coarray-config-file, Qcoarray-config-file	Specifies the name of a Message Passing Interface (MPI) configuration file.
coarray-num-images, Qcoarray-num-images	Specifies the default number of images that can be used to run a coarray executable.
convert	Specifies the format of unformatted files containing numeric data.
cxxlib	Determines whether the compiler links using the C++ runtime libraries provided by gcc.
D	Defines a symbol name that can be associated with an optional value.
dbglibs	Tells the linker to search for unresolved references in a debug runtime library.
debug (Linux*)	Enables or disables generation of debugging information.
debug (Windows*)	Enables or disables generation of debugging information.
debug-parameters	Tells the compiler to generate debug information for PARAMETERs used in a program.
device-math-lib	Enables or disables certain device libraries.
diag, Qdiag	Controls the display of diagnostic information during compilation.
diag-dump, Qdiag-dump	Tells the compiler to print all enabled diagnostic messages.
diag-error-limit, Qdiag-error-limit	Specifies the maximum number of errors allowed before compilation stops.
diag-file, Qdiag-file	Causes the results of diagnostic analysis to be output to a file.
diag-file-append, Qdiag-file-append	Causes the results of diagnostic analysis to be appended to a file.
d-lines, Qd-lines	Compiles debug statements.
dll	Specifies that a program should be linked as a dynamic-link (DLL) library.
double-size	Specifies the default KIND for DOUBLE PRECISION and DOUBLE COMPLEX declarations, constants, functions, and intrinsics.
dryrun	Specifies that driver tool commands should be shown but not executed.
dumpmachine	Displays the target machine and operating system configuration.
dynamic-linker	Specifies a dynamic linker other than the default.
dyncom, Qdyncom	Enables dynamic allocation of common blocks at runtime.
E	Causes the preprocessor to send output to stdout.
EP	Causes the preprocessor to send output to stdout, omitting #line directives.
exe	Specifies the name for a built program or dynamic-link library.
extend-source	Specifies the length of the statement field in a fixed-form source file.
extfor	Specifies file extensions to be processed by the compiler as Fortran files.
extfpp	Specifies file extensions to be recognized as a file to be preprocessed by the Fortran preprocessor.
extlnk	Specifies file extensions to be passed directly to the linker.
F (Windows*)	Specifies the stack reserve amount for the program.
f66	Tells the compiler to apply FORTRAN 66 semantics.
f77rtl	Tells the compiler to use the runtime behavior of FORTRAN 77.
Fa	Specifies that an assembly listing file should be generated.
FA	Produces an assembly listing without source or machine code annotations.
falias, Oa	Specifies whether or not a procedure call may have hidden aliases of local variables not supplied as actual arguments.
falign-functions, Qfnalign	Tells the compiler to align procedures on an optimal byte boundary.
fast	Maximizes speed across the entire program.
fasynchronous-unwind-tables	Determines whether unwind information is precise at an instruction boundary or at a call boundary.
fcf-protection, Qcf-protection	Enables Intel® Control-Flow Enforcement Technology (Intel® CET) protection, which defends your program from certain attacks that exploit vulnerabilities. This option offers preliminary support for Intel® CET.
fcommon	Determines whether the compiler treats common symbols as global definitions.
fexceptions	Enables exception handling table generation.
ffp-accuracy	Lets you specify the required accuracy (precision) for floating-point operations and library calls.
fimf-absolute-error, Qimf-absolute-error	Defines the maximum allowable absolute error for math library function results.
fimf-accuracy-bits, Qimf-accuracy-bits	Defines the relative error for math library function results, including division and square root.
fimf-arch-consistency, Qimf-arch-consistency	Ensures that the math library functions produce consistent results across different microarchitectural implementations of the same architecture.
fimf-domain-exclusion, Qimf-domain-exclusion	Indicates the input arguments domain on which math functions must provide correct results.
fimf-max-error, Qimf-max-error	Defines the maximum allowable relative error for math library function results, including division and square root.
fimf-precision, Qimf-precision	Lets you specify a level of accuracy (precision) that the compiler should use when determining which math library functions to use.
fimf-use-svml, Qimf-use-svml	Instructs the compiler to use the Short Vector Math Library (SVML) rather than the Intel® Fortran Compiler Math Library (LIBM) to implement math library functions.
finline	Tells the compiler to inline functions declared with !DIR$ ATTRIBUTES FORCEINLINE.
finline-functions	Enables function inlining for single file compilation.
finstrument-functions, Qinstrument-functions	Determines whether routine entry and exit points are instrumented.
fiopenmp, Qiopenmp	Enables recognition of OpenMP* features and tells the parallelizer to generate multi-threaded code based on OpenMP* directives. Provides the ability to offload to a GPU when -fopenmp-targets (or /Qopenmp-targets) is also specified.
fixed	Specifies source files are in fixed format.
flink-huge-device-code	Tells the compiler to place device code later in the linked binary. This is to prevent 32-bit PC-relative relocations between surrounding Executable and Linkable Format (ELF) sections when the device code is larger than 2GB.
fltconsistency	Enables improved floating-point consistency.
flto	Enables whole program link time optimization (LTO).
fma, Qfma	Determines whether the compiler generates fused multiply-add (FMA) instructions if such instructions exist on the target processor.
fmaintain-32-byte-stack-align, Qmaintain-32-byte-stack-align	Tells the compiler to realign the stack to 32-byte if stack alignment is uncertain for functions with external linkage, and retain 32-byte alignment for other functions.
fmath-errno	Tells the compiler that errno can be reliably tested after calls to standard math library functions.
fmerge-debug-strings	Causes the compiler to pool strings used in debugging information.
fomit-frame-pointer	Determines whether EBP is used as a general-purpose register in optimizations.
fopenmp, Qopenmp	Enables recognition of OpenMP* features and tells the parallelizer to generate multi-threaded code based on OpenMP* directives.
fopenmp-concurrent-host-device-compile, Qopenmp-concurrent-host-device-compile	Enables parallel compilation of host and target compilation steps when performing OpenMP* offload compilations. This is an experimental feature.
fopenmp-declare-target-scalar-defaultmap, Qopenmp-declare-target-scalar-defaultmap	Determines which implicit data-mapping/sharing rules are applied for a scalar variable referenced in a TARGET directive.
fopenmp-default-allocator, Qopenmp-default-allocator	Tells the compiler that all ALLOCATE statements should be treated as though there were an explicit OpenMP ALLOCATE directive that preceded them.
fopenmp-device-code-split, Qopenmp-device-code-split	Enables parallel compilation of SPIR-V* kernels for OpenMP offload Ahead-Of-Time compilation.
fopenmp-device-lib	Enables or disables certain device libraries for an OpenMP* target.
fopenmp-do-concurrent-maptype-modifier, Qopenmp-do-concurrent-maptype-modifier	Lets you specify the data movement for variables referenced inside the DO CONCURRENT region when it is auto-offloaded.
fopenmp-max-parallel-link-jobs, Qopenmp-max-parallel-link-jobs	Determines the maximum number of parallel actions to be performed during device linking steps, where applicable.
fopenmp-offload-mandatory, Qopenmp-offload-mandatory	Instructs the compiler to only generate a device version of OpenMP* TARGET regions.
fopenmp-target-buffers, Qopenmp-target-buffers	Enables a way to overcome the problem where some OpenMP* offload SPIR-V* devices produce incorrect code when a target object is larger than 4GB.
fopenmp-target-default-sub-group-size, Qopenmp-target-default-sub-group-size	Lets you specify a default sub-group size globally for single program multiple data (SPMD) kernels that are generated for OpenMP* target constructs when offloading to SPIR64-based devices.
fopenmp-target-do-concurrent, Qopenmp-target-do-concurrent	Determines whether a DO CONCURRENT construct is automatically converted into an OpenMP* TARGET region.
fopenmp-target-loopopt, Qopenmp-target-loopopt	Enables the loop optimizer and auto-vectorization for OpenMP* offloading device compilation when option O2 or higher is set or specified.
fopenmp-target-simd, Qopenmp-target-simd	Enables OpenMP* SIMD loop vectorization for OpenMP offloading device compilation when option level O2 or higher is set or specified.
fopenmp-targets, Qopenmp-targets	Enables offloading to a specified GPU target if OpenMP* features have been enabled.
foptimize-sibling-calls	Determines whether the compiler optimizes tail recursive calls.
fortlib	Tells the C/C++ compiler driver to link to the Fortran libraries. This option is primarily used by C/C++ for mixed-language programming.
fpconstant	Tells the compiler that single-precision constants assigned to double-precision variables should be evaluated in double precision.
fpe	Allows some control over floating-point exception handling for the main program at runtime.
fpe-all	Allows some control over floating-point exception handling for each routine in a program at runtime.
fpic	Determines whether the compiler generates position-independent code.
fpie	Tells the compiler to generate position-independent code. The generated code can only be linked into executables.
fp-model, fp	Controls the semantics of floating-point calculations.
fpp	Runs the Fortran preprocessor on source files before compilation.
fpp-name	Lets you specify an alternate preprocessor to use with Fortran.
fpreview-breaking-changes	Lets a user tell the compiler that they are willing to give up backward compatibility guarantees and lets the compiler enable new backward breaking changes that will appear in the next major release.
fprofile-ml-use	Enables the use of a pre-trained machine learning model to predict branch execution probabilities driving profile-guided optimizations.
fprotect-parens, Qprotect-parens	Determines whether the optimizer honors parentheses when floating-point expressions are evaluated.
fpscomp	Controls whether certain aspects of the runtime system and semantic language features within the compiler are compatible with Intel® Fortran or Microsoft* Fortran PowerStation.
fp-speculation, Qfp-speculation	Tells the compiler the mode in which to speculate on floating-point operations.
free	Specifies source files are in free format.
fsanitize	Enables the specified code sanitizer to detect certain issues at runtime.
fstack-protector	Enables or disables stack overflow security checks for certain (or all) routines.
fstack-security-check	Determines whether the compiler generates code that detects some buffer overruns.
fstrict-overflow, Qstrict-overflow	Determines whether strict overflow is enabled for signed addition, subtraction, and multiplication wrap arounds using twos-complement representation.
fsycl	Enables linking Fortran object files with DPC++ SYCL-based object files.
fsycl-dead-args-optimization	Enables elimination of DPC++ dead kernel arguments.
fsycl-device-code-split	Specifies a SYCL* device code module assembly.
fsycl-device-lib	Enables or disables certain device libraries for a SYCL* target.
fsycl-instrument-device-code	Enables or disables linking of the Instrumentation and Tracing Technology (ITT) device libraries for VTune™.
fsycl-targets	Tells the compiler to generate code for specified device targets. This option is only valid for linking against SYCL-based objects.
ftarget-compile-fast	Tells the compiler to perform less aggressive optimizations to reduce compilation time at the expense of generating less optimal target code. This is an experimental feature.
ftarget-register-alloc-mode	Specifies a register allocation mode for specific hardware for use by supported target backends.
ftrapuv, Qtrapuv	Initializes stack local variables to an unusual value to aid error detection.
ftz, Qftz	Flushes subnormal results to zero.
fuse-ld	Tells the compiler to use a different linker instead of the default linker, which is ld on Linux and link on Windows.
fvec-allow-scalar-stores, Qvec-allow-scalar-stores	Ensures vectorization of an explicit simd loop.
fvec-peel-loops, Qvec-peel-loops	Enables peel loop vectorization.
fvec-remainder-loops, Qvec-remainder-loops	Enables remainder loop vectorization.
fvec-with-mask, Qvec-with-mask	Enables vectorization for short trip-count loops with masking.
fverbose-asm	Produces an assembly listing with compiler comments, including options and version information.
fvisibility	Specifies the default visibility for global symbols or the visibility for symbols in a file.
fzero-initialized-in-bss, Qzero-initialized-in-bss	Determines whether the compiler places in the DATA section any variables explicitly initialized with zeros.
g	Tells the compiler to generate a level of debugging information in the object file.
gcc-name	Lets you specify the name of the GCC compiler that should be used to set up the link-time environment, including the location of standard libraries.
gdwarf	Lets you specify a DWARF Version format when generating debug information.
Ge	Enables stack-checking for all functions. This is a deprecated option.
gen-dep	Tells the compiler to generate build dependencies for the current compilation.
gen-depformat	Specifies the form for the output generated when option gen-dep is specified.
gen-depshow	Determines whether certain features are excluded from dependency analysis. Currently, it only applies to intrinsic modules.
gen-interfaces	Tells the compiler to generate an interface block for each routine in a source file.
GF	Enables read-only string-pooling optimization.
global-hoist, Qglobal-hoist	Enables certain optimizations that can move memory loads to a point earlier in the program execution than where they appear in the source.
grecord-gcc-switches	Causes the command line options that were used to invoke the compiler to be appended to the DW_AT_producer attribute in DWARF debugging information.
GS	Determines whether the compiler generates code that detects some buffer overruns.
Gs	Lets you control the threshold at which the stack checking routine is called or not called.
gsplit-dwarf	Creates a separate object file containing DWARF debug information.
guard	Enables the control flow protection mechanism.
gxx-name	Lets you specify the name of the g++ compiler that should be used to set up the link-time environment, including the location of standard libraries.
heap-arrays	Puts automatic arrays and arrays created for temporary computations on the heap instead of the stack.
help	Displays all supported compiler options or supported compiler options within a specified category of options.
I	Specifies an additional directory for the include path.
idirafter	Adds a directory to the second include file search path.
iface	Specifies the default calling convention and argument-passing convention for an application.
init, Qinit	Lets you initialize a class of variables to zero or to various numeric exceptional values.
inline	Specifies the level of inline function expansion.
inline-forceinline, Qinline-forceinline	Tells the compiler to treat inline routines as forceinline.
inline-level, Ob	Specifies the level of inline function expansion.
intconstant	Tells the compiler to use FORTRAN 77 semantics to determine the kind parameter for integer constants.
integer-size	Specifies the default KIND for integer and logical variables.
intel-freestanding	Lets you compile in the absence of a gcc environment.
intel-freestanding-target-os	Lets you specify the target operating system for compilation.
ipo, Qipo	Enables interprocedural optimization between files.
isystem	Specifies a directory to add to the start of the system include path.
l	Tells the linker to search for a specified library when linking.
L	Tells the linker to search for libraries in a specified directory before searching the standard directories.
libdir	Controls whether linker options for search libraries are included in object files generated by the compiler.
libs	Tells the compiler which type of runtime library to link to.
link	Passes user-specified options directly to the linker at compile time.
list	Tells the compiler to create a listing of the source file.
list-line-len	Specifies the line length for the listing generated when option list is specified.
list-page-len	Specifies the page length for the listing generated when option list is specified.
logo	Displays the compiler version information.
m	Tells the compiler which features it may target, including which instruction set architecture (ISA) it may generate.
m64, Qm64	Tells the compiler to generate code for a specific architecture. It is a legacy option that is deprecated, and it will be removed in a future release.
m80387	Specifies whether the compiler can use x87 instructions.
map	Tells the linker to generate a link map file.
march	Tells the compiler to generate code for processors that support certain features.
masm	Tells the compiler to generate the assembler output file using a selected dialect.
mauto-arch, Qauto-arch	Tells the compiler to generate multiple, feature-specific auto-dispatch code paths for x86 architecture processors if there is a performance benefit.
mbranches-within-32B-boundaries, Qbranches-within-32B-boundaries	Tells the compiler to align branches and fused branches on 32-byte boundaries for better performance.
mcmodel	Tells the compiler to use a specific memory model to generate code and store data.
MD	Tells the linker to search for unresolved references in a multithreaded, dynamic-link runtime library.
mno-gather, Qgather-	Disables the generation of gather instructions in auto-vectorization.
mno-scatter, Qscatter-	Disables the generation of scatter instructions in auto-vectorization.
module	Specifies the directory where module files should be placed when created and where they should be searched for.
momit-leaf-frame-pointer	Determines whether the frame pointer is omitted or kept in leaf functions.
MT	Tells the linker to search for unresolved references in a multithreaded, static runtime library.
mtune, tune	Performs optimizations for specific processors but does not cause extended instruction sets to be used (unlike -march).
multiple-processes, MP	Creates multiple processes that can be used to compile large numbers of source files at the same time.
names	Specifies how source code identifiers and external names are interpreted.
nodefaultlibs	Prevents the compiler from using standard libraries when linking.
nofor-main	Specifies that the main program is not written in Fortran.
no-intel-lib, Qno-intel-lib	Disables linking to specified Intel® libraries, or to all Intel® libraries.
nolib-inline	Disables inline expansion of standard library or intrinsic functions.
nolibsycl	Disables linking of the SYCL* runtime library.
nostartfiles	Prevents the compiler from using standard startup files when linking.
nostdlib	Prevents the compiler from using standard libraries and startup files when linking.
O	Specifies the code optimization for applications.
o	Specifies the name for an output file.
object	Specifies the name for an object file.
Od	Disables all optimizations.
Ofast	Sets certain aggressive options to improve the speed of your application.
Os	Enables optimizations that do not increase code size; it produces smaller code size than O2.
Ot	Enables all speed optimizations.
pad, Qpad	Enables the changing of the variable and array memory layout.
pad-source, Qpad-source	Specifies padding for fixed-form source records.
parallel, Qparallel	Tells the compiler to attempt to generate multithreaded code for DO CONCURRENT loops.
pc, Qpc	Enables control of floating-point significand precision.
pie	Determines whether the compiler generates position-independent code that will be linked into an executable.
prec-div, Qprec-div	Improves precision of floating-point divides.
preprocess-only	Causes the Fortran preprocessor to send output to a file.
print-multi-lib	Prints information about where system libraries should be found.
pthread	Tells the compiler to use pthreads library for multithreading support.
Qinstall	Specifies the root directory where the compiler installation was performed.
Qlocation	Specifies the directory for supporting tools.
qmkl, Qmkl	Tells the compiler to link to certain libraries in the Intel® oneAPI Math Kernel Library ( oneMKL ). On Windows systems, you must specify this option at compile time.
qmkl-ilp64, Qmkl-ilp64	Tells the compiler to link to the ILP64-specific version of the Intel® oneAPI Math Kernel Library ( oneMKL). On Windows systems, you must specify this option at compile time.
qmkl-sycl-impl, Qmkl-sycl-impl	Lets you link to one or more specific Intel® oneAPI Math Kernel Library (oneMKL) SYCL libraries.
qopenmp, Qopenmp	You can substitute the option named -qopenmp for option -fopenmp or -fiopenmp, and you can substitute the option named /Qopenmp for option /Qiopenmp.
qopenmp-link	Controls whether the compiler links to static or dynamic OpenMP* runtime libraries.
qopenmp-simd, Qopenmp-simd	Enables or disables OpenMP* SIMD compilation.
qopenmp-stubs, Qopenmp-stubs	Enables compilation of OpenMP* programs in sequential mode.
qopenmp-threadprivate, Qopenmp-threadprivate	Lets you specify an OpenMP* threadprivate implementation.
qopt-dword-index-for-array-of-structs, Qopt-dword-index-for-array-of-structs	Lets the compiler use dword indexes to access elements of arrays of structs that do not exceed a specified number of bytes.
qopt-dynamic-align, Qopt-dynamic-align	Enables or disables dynamic data alignment optimizations.
qopt-for-throughput, Qopt-for-throughput	Determines how the compiler optimizes for throughput depending on whether the program is to run in single-job or multi-job mode.
Qoption	Passes options to a specified tool.
qopt-matmul, Qopt-matmul	Enables or disables a compiler-generated Matrix Multiply (matmul) library call.
qopt-mem-layout-trans, Qopt-mem-layout-trans	Controls the level of memory layout transformations performed by the compiler.
qopt-multiple-gather-scatter-by-shuffles, Qopt-multiple-gather-scatter-by-shuffles	Enables or disables the optimization for multiple adjacent gather/scatter type vector memory references.
qopt-prefetch, Qopt-prefetch	Enables or disables prefetch insertion optimization.
qopt-prefetch-distance, Qopt-prefetch-distance	Specifies the prefetch distance to be used for compiler-generated prefetches inside loops.
qopt-prefetch-loads-only, /Qopt-prefetch-loads-only	Specifies that the compiler should only prefetch for loads inside the loop and ignore the stores, if any.
qopt-report, Qopt-report	Enables the generation of a YAML file that includes optimization transformation information.
qopt-report-file, Qopt-report-file	Specifies whether the output for the generated optimization report goes to a file, stderr, or stdout.
qopt-report-names, Qopt-report-names	Specifies whether mangled or unmangled names should appear in the optimization report.
qopt-report-phase, Qopt-report-phase	Specifies one or more optimizer phases for which optimization reports are generated.
qopt-report-stdout, Qopt-report-stdout	Specifies that the generated report should go to stdout.
qopt-streaming-stores, Qopt-streaming-stores	Enables generation of streaming stores for optimization.
qopt-zmm-usage, Qopt-zmm-usage	Defines a level of zmm registers usage.
qoverride-limits, Qoverride-limits	Lets you override certain internal compiler limits that are intended to prevent excessive memory usage or compile times for very large, complex compilation units.
real-size	Specifies the default KIND for real and complex declarations, constants, functions, and intrinsics.
recursive	Tells the compiler that all routines should be compiled for possible recursive execution.
reentrancy	Tells the compiler to generate reentrant code to support a multithreaded application.
S	Causes the compiler to compile to an assembly file only and not link.
safe-cray-ptr, Qsafe-cray-ptr	Tells the compiler that Cray* pointers do not alias other variables.
save, Qsave	Causes variables to be placed in static memory.
save-temps, Qsave-temps	Tells the compiler to save intermediate files created during compilation.
shared	Tells the compiler to produce a dynamic shared object instead of an executable.
shared-intel	Causes Intel-provided libraries to be linked in dynamically.
shared-libgcc	Links the GNU libgcc library dynamically.
show	Controls the contents of the listing generated when option list is specified.
stand	Tells the compiler to issue compile-time messages for nonstandard language elements.
standard-realloc-lhs	Determines whether the compiler uses the current Fortran Standard rules or the old Fortran 2003 rules when interpreting assignment statements.
standard-semantics	Determines whether the current Fortran Standard behavior of the compiler is fully implemented.
static	Prevents linking with shared libraries.
static-intel	Causes Intel-provided libraries to be linked in statically.
static-libgcc	Links the GNU libgcc library statically.
static-libstdc++	Links the GNU libstdc++ library statically.
syntax-only	Tells the compiler to check only for correct syntax.
sysroot	Specifies the root directory where headers and libraries are located.
T	Tells the linker to read link commands from a file.
Tf	Tells the compiler to compile the file as a Fortran source file.
threads	Tells the linker to search for unresolved references in a multithreaded runtime library.
traceback	Tells the compiler to generate extra information in the object file to provide source file traceback information when a severe error occurs at runtime.
U	Undefines any definition currently in effect for the specified symbol .
u (Windows*)	Undefines all previously defined preprocessor values.
undef	Disables all predefined symbols .
unroll, Qunroll	Tells the compiler the maximum number of times to unroll loops.
v	Specifies that driver tool commands should be displayed and executed.
vec, Qvec	Enables or disables vectorization.
vec-threshold, Qvec-threshold	Sets a threshold for the vectorization of loops.
vecabi, Qvecabi	Determines which vector function application binary interface (ABI) the compiler uses to create or call vector functions.
vms	Causes the runtime system to behave like HP* Fortran on OpenVMS* Alpha systems and VAX* systems (VAX FORTRAN*).
Wa	Passes options to the assembler for processing.
warn	Specifies diagnostic messages to be issued by the compiler.
watch	Tells the compiler to display certain information to the console output window.
WB	Turns a compile-time bounds check into a warning.
what	Tells the compiler to display its detailed version string.
winapp	Tells the compiler to create a graphics or Fortran Windows application and link against the most commonly used libraries.
Wl	Passes options to the linker for processing.
Wp	Passes options to the preprocessor.
wrap-margin	Provides a way to disable the right margin wrapping that occurs in Fortran list-directed output.
X	Removes standard directories from the include file search path.
x, Qx	Tells the compiler which processor features it may target, including which instruction sets and optimizations it may generate.
xHost, QxHost	Tells the compiler to generate instructions for the highest instruction set available on the compilation host processor.
Xlinker	Passes a linker option directly to the linker.
Xopenmp-target	Enables options to be passed to the specified tool in the device compilation tool chain for the OpenMP* target.
Xsycl-target	Enables options to be passed to the specified tool in the device compilation tool chain for the SYCL* target.
zero, Qzero	Initializes to zero variables of intrinsic type INTEGER, REAL, COMPLEX, or LOGICAL that are not yet initialized. This is a deprecated option. The replacement option is /Qinit:[no]zero or -init=[no]zero.
Zi, Z7	Tells the compiler to generate full debugging information in either an object (.obj) file or a project database (PDB) file.

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Alphabetical Option List