Alphabetical List of Compiler Options

The following table lists all the current compiler options in alphabetical order.

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 run-time 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 run-time stack.
ax, Qax	Tells the compiler to generate multiple, feature-specific auto-dispatch code paths for Intel® processors if there is a performance benefit.
Bdynamic	Enables dynamic linking of libraries at run time.
bigobj	Increases the number of sections that an object file can contain.
bintext	Places a text string into the object file (.obj) being generated by the compiler.
B	Specifies a directory that can be used to find include files, libraries, and executables.
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.
ccdefault	Specifies the type of carriage control used when a file is displayed at a terminal screen.
check	Checks for certain conditions at run time.
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.
complex-limited-range, Qcomplex-limited-range	Determines whether the use of basic algebraic expansions of some arithmetic operations involving data of type COMPLEX is enabled.
convert	Specifies the format of unformatted files containing numeric data.
c	Prevents linking.
cxxlib	Determines whether the compiler links using the C++ run-time libraries provided by gcc.
dbglibs	Tells the linker to search for unresolved references in a debug run-time library.
D	Defines a symbol name that can be associated with an optional value.
debug (Linux* and OS X*)	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.
diag, Qdiag	Controls the display of diagnostic information during compilation.
diag-dump, Qdiag-dump	Tells the compiler to print all enabled diagnostic messages and stop compilation.
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.
diag-id-numbers, Qdiag-id-numbers	Determines whether the compiler displays diagnostic messages by using their ID number values.
diag-once, Qdiag-once	Tells the compiler to issue one or more diagnostic messages only once.
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.
dynamiclib	Invokes the libtool command to generate dynamic libraries.
dynamic-linker	Specifies a dynamic linker other than the default.
dyncom, Qdyncom	Enables dynamic allocation of common blocks at run time.
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 (OS X*)	Adds a framework directory to the head of an include file search path.
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 run-time behavior of FORTRAN 77.
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.
falign-loops, Qalign-loops	Aligns loops to a power-of-two byte boundary.
falign-stack	Tells the compiler the stack alignment to use on entry to routines.
Fa	Specifies that an assembly listing file should be generated.
FA	Specifies the contents of an assembly listing file.
fast	Maximizes speed across the entire program.
fast-transcendentals, Qfast-transcendentals	Enables the compiler to replace calls to transcendental functions with faster but less precise implementations.
fasynchronous-unwind-tables	Determines whether unwind information is precise at an instruction boundary or at a call boundary.
fcode-asm	Produces an assembly listing with machine code annotations.
fcommon	Determines whether the compiler treats common symbols as global definitions.
Fd	Lets you specify a name for a program database (PDB) file created by the compiler.
feliminate-unused-debug-types, Qeliminate-unused-debug-types	Controls the debug information emitted for types declared in a compilation unit.
fexceptions	Enables exception handling table generation.
ffat-lto-objects	Determines whether a fat link-time optimization (LTO) object, containing both intermediate language and object code, is generated during an interprocedural optimization compilation (-c –ipo).
ffnalias, Ow	Determines whether aliasing is assumed within functions.
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.
finline-functions	Enables function inlining for single file compilation.
finline-limit	Lets you specify the maximum size of a function to be inlined.
finline	Tells the compiler to inline functions declared with !DIR$ ATTRIBUTES FORCEINLINE .
finstrument-functions, Qinstrument-functions	Determines whether routine entry and exit points are instrumented.
fixed	Specifies source files are in fixed format.
fkeep-static-consts, Qkeep-static-consts	Tells the compiler to preserve allocation of variables that are not referenced in the source.
fltconsistency	Enables improved floating-point consistency.
fma, Qfma	Determines whether the compiler generates fused multiply-add (FMA) instructions if such instructions exist on the target processor.
fmath-errno	Tells the compiler that errno can be reliably tested after calls to standard math library functions.
fmerge-constants	Determines whether the compiler and linker attempt to merge identical constants (string constants and floating-point constants) across compilation units.
fmerge-debug-strings	Causes the compiler to pool strings used in debugging information.
fminshared	Specifies that a compilation unit is a component of a main program and should not be linked as part of a shareable object.
fmpc-privatize	Enables or disables privatization of all static data for the MultiProcessor Computing environment (MPC) unified parallel runtime.
fnsplit, Qfnsplit	Enables function splitting.
fomit-frame-pointer, Oy	Determines whether EBP is used as a general-purpose register in optimizations.
foptimize-sibling-calls	Determines whether the compiler optimizes tail recursive calls.
fpconstant	Tells the compiler that single-precision constants assigned to double-precision variables should be evaluated in double precision.
fpe-all	Allows some control over floating-point exception handling for each routine in a program at run-time.
fpe	Allows some control over floating-point exception handling for the main program at run-time.
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-name	Lets you specify an alternate preprocessor to use with Fortran.
fp-port, Qfp-port	Rounds floating-point results after floating-point operations.
fpp	Runs the Fortran preprocessor on source files before compilation.
fprotect-parens, Qprotect-parens	Determines whether the optimizer honors parentheses when expressions are evaluated.
fpscomp	Controls whether certain aspects of the run-time 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.
fp-stack-check, Qfp-stack-check	Tells the compiler to generate extra code after every function call to ensure that the floating-point stack is in the expected state.
free	Specifies source files are in free format.
fsource-asm	Produces an assembly listing with source code annotations.
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.
ftrapuv, Qtrapuv	Initializes stack local variables to an unusual value to aid error detection.
ftz, Qftz	Flushes denormal results to zero.
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.
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. The replacement option is /Gs0.
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-dep	Tells the compiler to generate build dependencies for the current compilation.
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.
g	Tells the compiler to generate full debugging information in the object file.
guard	Enables the control flow protection mechanism.
guide, Qguide	Lets you set a level of guidance for auto-vectorization, auto parallelism, and data transformation.
guide-data-trans, Qguide-data-trans	Lets you set a level of guidance for data transformation.
guide-file, Qguide-file	Causes the results of guided auto parallelism to be output to a file.
guide-file-append, Qguide-file-append	Causes the results of guided auto parallelism to be appended to a file.
guide-opts, Qguide-opts	Tells the compiler to analyze certain code and generate recommendations that may improve optimizations.
guide-par, Qguide-par	Lets you set a level of guidance for auto parallelism.
guide-profile, Qguide-profile	Specifies a loop profiler data file (or a set of files) when used with option -guide or /Qguide.
guide-vec, Qguide-vec	Lets you set a level of guidance for auto-vectorization.
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 available compiler options or a category of compiler options.
homeparams	Tells the compiler to store parameters passed in registers to the stack.
hotpatch	Tells the compiler to prepare a routine for hotpatching.
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-factor, Qinline-factor	Specifies the percentage multiplier that should be applied to all inlining options that define upper limits.
inline-forceinline, Qinline-forceinline	Instructs the compiler to force inlining of functions suggested for inlining whenever the compiler is capable doing so.
inline-level, Ob	Specifies the level of inline function expansion.
inline-max-per-compile, Qinline-max-per-compile	Specifies the maximum number of times inlining may be applied to an entire compilation unit.
inline-max-per-routine, Qinline-max-per-routine	Specifies the maximum number of times the inliner may inline into a particular routine.
inline-max-size, Qinline-max-size	Specifies the lower limit for the size of what the inliner considers to be a large routine.
inline-max-total-size, Qinline-max-total-size	Specifies how much larger a routine can normally grow when inline expansion is performed.
inline-min-size, Qinline-min-size	Specifies the upper limit for the size of what the inliner considers to be a small routine.
inline	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.
ip, Qip	Determines whether additional interprocedural optimizations for single-file compilation are enabled.
ip-no-inlining, Qip-no-inlining	Disables full and partial inlining enabled by interprocedural optimization options.
ip-no-pinlining, Qip-no-pinlining	Disables partial inlining enabled by interprocedural optimization options.
ipo, Qipo	Enables interprocedural optimization between files.
ipo-c, Qipo-c	Tells the compiler to optimize across multiple files and generate a single object file.
ipo-jobs, Qipo-jobs	Specifies the number of commands (jobs) to be executed simultaneously during the link phase of Interprocedural Optimization (IPO).
ipo-S, Qipo-S	Tells the compiler to optimize across multiple files and generate a single assembly file.
ipo-separate, Qipo-separate	Tells the compiler to generate one object file for every source file.
I	Specifies an additional directory for the include path.
isystem	Specifies a directory to add to the start of the system include path.
libdir	Controls whether linker options for search libraries are included in object files generated by the compiler.
libs	Tells the compiler which type of run-time library to link to.
link	Passes user-specified options directly to the linker at compile time.
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.
list	Tells the compiler to create a listing of the source file.
logo	Displays the compiler version information.
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.
m32, m64, Qm32, Qm64	Tells the compiler to generate code for a specific architecture.
m80387	Specifies whether the compiler can use x87 instructions.
map-opts, Qmap-opts	Maps one or more compiler options to their equivalent on a different operating system.
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.
mcmodel	Tells the compiler to use a specific memory model to generate code and store data.
MDs	Tells the linker to search for unresolved references in a single-threaded, dynamic-link run-time library. This is a deprecated option. There is no replacement option.
MD	Tells the linker to search for unresolved references in a multithreaded, dynamic-link run-time library.
mdynamic-no-pic	Generates code that is not position-independent but has position-independent external references.
minstruction, Qinstruction	Determines whether MOVBE instructions are generated for certain Intel processors.
mkl, Qmkl	Tells the compiler to link to certain libraries in the Intel® Math Kernel Library (Intel® MKL). On Windows systems, you must specify this option at compile time.
mmic, Qmic	Builds an application that runs natively on Intel® 64 architecture targeting the Intel® Xeon Phi™ coprocessor x100 product family (formerly code name Knights Corner) .
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.
mp1, Qprec	Improves floating-point precision and consistency.
mstringop-inline-threshold, Qstringop-inline-threshold	Tells the compiler to not inline calls to buffer manipulation functions such as memcpy and memset when the number of bytes the functions handle are known at compile time and greater than the specified value.
mstringop-strategy, Qstringop-strategy	Lets you override the internal decision heuristic for the particular algorithm used when implementing buffer manipulation functions such as memcpy and memset.
m	Tells the compiler which features it may target, including which instruction sets it may generate.
MT	Tells the linker to search for unresolved references in a multithreaded, static run-time library.
mtune, tune	Performs optimizations for specific processors.
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.
no-bss-init, Qnobss-init	Tells the compiler to place in the DATA section any uninitialized variables and explicitly zero-initialized variables.
nodefaultlibs	Prevents the compiler from using standard libraries when linking.
nofor-main	Specifies that the main program is not written in Fortran.
nolib-inline	Disables inline expansion of standard library or intrinsic functions.
nostartfiles	Prevents the compiler from using standard startup files when linking.
nostdlib	Prevents the compiler from using standard libraries and startup files when linking.
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.
O	Specifies the code optimization for applications.
o	Specifies the name for an output file.
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.
par-affinity, Qpar-affinity	Specifies thread affinity.
parallel, Qparallel	Tells the auto-parallelizer to generate multithreaded code for loops that can be safely executed in parallel.
parallel-source-info, Qparallel-source-info	Enables or disables source location emission when OpenMP* or auto-parallelism code is generated.
par-num-threads, Qpar-num-threads	Specifies the number of threads to use in a parallel region.
par-runtime-control, Qpar-runtime-control	Generates code to perform run-time checks for loops that have symbolic loop bounds.
par-schedule, Qpar-schedule	Lets you specify a scheduling algorithm for loop iterations.
par-threshold, Qpar-threshold	Sets a threshold for the auto-parallelization of loops.
pc, Qpc	Enables control of floating-point significand precision.
p	Compiles and links for function profiling with gprof(1).
pdbfile	Lets you specify the name for a program database (PDB) file created by the linker.
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.
prec-sqrt, Qprec-sqrt	Improves precision of square root implementations.
preprocess-only	Causes the Fortran preprocessor to send output to a file.
print-multi-lib	Prints information about where system libraries should be found.
print-sysroot	Prints the target sysroot directory that is used during compilation.
prof-data-order, Qprof-data-order	Enables or disables data ordering if profiling information is enabled.
prof-dir, Qprof-dir	Specifies a directory for profiling information output files.
prof-file, Qprof-file	Specifies an alternate file name for the profiling summary files.
prof-func-groups	Enables or disables function grouping if profiling information is enabled.
prof-func-order, Qprof-func-order	Enables or disables function ordering if profiling information is enabled.
prof-gen, Qprof-gen	Produces an instrumented object file that can be used in profile guided optimization.
prof-hotness-threshold, Qprof-hotness-threshold	Lets you set the hotness threshold for function grouping and function ordering.
profile-functions, Qprofile-functions	Inserts instrumentation calls at a function's entry and exit points.
profile-loops, Qprofile-loops	Inserts instrumentation calls at a function's entry and exit points, and before and after instrumentable loops.
profile-loops-report, Qprofile-loops-report	Controls the level of detail for the data collected when instrumentation occurs before and after certain loops.
prof-src-dir, Qprof-src-dir	Determines whether directory information of the source file under compilation is considered when looking up profile data records.
prof-src-root, Qprof-src-root	Lets you use relative directory paths when looking up profile data and specifies a directory as the base.
prof-src-root-cwd, Qprof-src-root-cwd	Lets you use relative directory paths when looking up profile data and specifies the current working directory as the base.
prof-use, Qprof-use	Enables the use of profiling information during optimization.
prof-value-profiling, Qprof-value-profiling	Controls which values are value profiled.
pthread	Tells the compiler to use pthreads library for multithreading support.
Qcov-dir	Specifies a directory for profiling information output files that can be used with the codecov or tselect tool.
Qcov-file	Specifies an alternate file name for the profiling summary files that can be used with the codecov or tselect tool.
Qcov-gen	Produces an instrumented object file that can be used with the codecov or tselect tool.
Qimsl	Tells the compiler to link to the IMSL* Fortran Numerical Library(IMSL library).
Qinline-dllimport	Determines whether dllimport functions are inlined.
Qinstall	Specifies the root directory where the compiler installation was performed.
Qlocation	Specifies the directory for supporting tools.
qoffload, Qoffload	Lets you specify the mode for offloading or tell the compiler to ignore language constructs for offloading. This option only applies to Intel® MIC Architecture. Option -q[no-]offload is the replacement option for -[no-]offload, which is deprecated.
qoffload-arch, Qoffload-arch	Lets you specify the target architecture to use when offloading code. This option only applies to Intel® MIC Architecture .
qoffload-attribute-target, Qoffload-attribute-target	Causes the compiler to flag procedures and data objects in the source file with the offload attribute target(mic) . This option only applies to Intel® MIC Architecture . Option -qoffload-attribute-target is the replacement option for -offload-attribute-target, which is deprecated.
qoffload-option, Qoffload-option	Lets you explicitly specify options to be used for the specified target and tool. This option only applies to Intel® MIC Architecture . Option -qoffload-option is the replacement option for -offload-option, which is deprecated.
qopenmp, Qopenmp	Enables the parallelizer to generate multi-threaded code based on OpenMP* directives. Option -qopenmp is the replacement option for -openmp, which is deprecated.
qopenmp-lib, Qopenmp-lib	Lets you specify an OpenMP* run-time library to use for linking. Option -qopenmp-lib is the replacement option for -openmp-lib, which is deprecated.
qopenmp-link	Controls whether the compiler links to static or dynamic OpenMP* run-time libraries. Option -qopenmp-link is the replacement option for -openmp-link, which is deprecated.
qopenmp-offload, Qopenmp-offload	Enables or disables OpenMP* offloading compilation for the TARGET directives . This option only applies to Intel® MIC Architecture . Option -qopenmp-offload is the replacement option for -openmp-offload, which is deprecated.
qopenmp-simd, Qopenmp-simd	Enables or disables OpenMP* SIMD compilation. Option -qopenmp-simd is the replacement option for -openmp-simd, which is deprecated.
qopenmp-stubs, Qopenmp-stubs	Enables compilation of OpenMP* programs in sequential mode. Option -qopenmp-stubs is the replacement option for -openmp-stubs, which is deprecated.
qopenmp-threadprivate, Qopenmp-threadprivate	Lets you specify an OpenMP* threadprivate implementation. Option -qopenmp-threadprivate is the replacement option for -openmp-threadprivate, which is deprecated.
qopt-args-in-regs, Qopt-args-in-regs	Determines whether calls to routines are optimized by passing arguments in registers instead of on the stack. Option -qopt-args-in-regs is the replacement option for -opt-args-in-regs, which is deprecated.
qopt-assume-safe-padding, Qopt-assume-safe-padding	Determines whether the compiler assumes that variables and dynamically allocated memory are padded past the end of the object. Option -qopt-assume-safe-padding is the replacement option for -opt-assume-safe-padding, which is deprecated.
qopt-block-factor, Qopt-block-factor	Lets you specify a loop blocking factor. Option -qopt-block-factor is the replacement option for -opt-block-factor, which is deprecated.
qopt-dynamic-align, Qopt-dynamic-align	Enables or disables dynamic data alignment optimizations. Option -qopt-dynamic-align is the replacement option for -opt-dynamic-align, which is deprecated.
qopt-gather-scatter-unroll, Qopt-gather-scatter-unroll	Lets you specify an alternative loop unroll sequence for gather and scatter loops. Option -qopt-gather-scatter-unroll is the replacement option for -opt-gather-scatter-unroll, which is deprecated.
Qoption	Passes options to a specified tool.
qopt-jump-tables, Qopt-jump-tables	Enables or disables generation of jump tables for switch statements. Option -qopt-jump-tables is the replacement option for -opt-jump-tables, which is deprecated.
qopt-malloc-options	Lets you specify an alternate algorithm for malloc(). Option -qopt-malloc-options is the replacement option for -opt-malloc-options, which is deprecated.
qopt-matmul, Qopt-matmul	Enables or disables a compiler-generated Matrix Multiply (matmul) library call. Option -qopt-matmul is the replacement option for -opt-matmul, which is deprecated.
qopt-mem-layout-trans, Qopt-mem-layout-trans	Controls the level of memory layout transformations performed by the compiler. Option -qopt-mem-layout-trans is the replacement option for -opt-mem-layout-trans, which is deprecated.
qopt-multi-version-aggressive, Qopt-multi-version-aggressive	Tells the compiler to use aggressive multi-versioning to check for pointer aliasing and scalar replacement. Option -qopt-multi-version-aggressive is the replacement option for -opt-multi-version-aggressive, which is deprecated.
qopt-prefetch, Qopt-prefetch	Enables or disables prefetch insertion optimization. Option -qopt-prefetch is the replacement option for -opt-prefetch, which is deprecated.
qopt-prefetch-distance, Qopt-prefetch-distance	Specifies the prefetch distance to be used for compiler-generated prefetches inside loops. Option -qopt-prefetch-distance is the replacement option for -opt-prefetch-distance, which is deprecated.
qopt-prefetch-issue-excl-hint, Qopt-prefetch-issue-excl-hint	Supports the prefetchW instruction in Intel® microarchitecture code name Broadwell and later.
qopt-ra-region-strategy, Qopt-ra-region-strategy	Selects the method that the register allocator uses to partition each routine into regions. Option -qopt-ra-region-strategy is the replacement option for -opt-ra-region-strategy, which is deprecated.
qopt-report, Qopt-report	Tells the compiler to generate an optimization report. Option -qopt-report is the replacement option for -opt-report, which is deprecated.
qopt-report-annotate, Qopt-report-annotate	Enables the annotated source listing feature and specifies its format.
qopt-report-annotate-position, Qopt-report-annotate-position	Enables the annotated source listing feature and specifies the site where optimization messages appear in the annotated source in inlined cases of loop optimizations.
qopt-report-embed, Qopt-report-embed	Determines whether special loop information annotations will be embedded in the object file and/or the assembly file when it is generated. Option -qopt-report-embed is the replacement option for -opt-report-embed, which is deprecated.
qopt-report-file, Qopt-report-file	Specifies that the output for the optimization report goes to a file, stderr, or stdout. Option -qopt-report-file is the replacement option for -opt-report-file, which is deprecated.
qopt-report-filter, Qopt-report-filter	Tells the compiler to find the indicated parts of your application, and generate optimization reports for those parts of your application. Option -qopt-report-filter is the replacement option for -opt-report-filter, which is deprecated.
qopt-report-format, Qopt-report-format	Specifies the format for an optimization report. Option -qopt-report-format is the replacement option for -opt-report-format, which is deprecated.
qopt-report-help, Qopt-report-help	Displays the optimizer phases available for report generation and a short description of what is reported at each level. Option -qopt-report-help is the replacement option for -opt-report-help, which is deprecated.
qopt-report-names, Qopt-report-names	Specifies whether mangled or unmangled names should appear in the optimization report.
qopt-report-per-object, Qopt-report-per-object	Tells the compiler that optimization report information should be generated in a separate file for each object. Option -qopt-report-per-object is the replacement option for -opt-report-per-object, which is deprecated.
qopt-report-phase, Qopt-report-phase	Specifies one or more optimizer phases for which optimization reports are generated. Option -qopt-report-phase is the replacement option for -opt-report-phase, which is deprecated.
qopt-report-routine, Qopt-report-routine	Tells the compiler to generate an optimization report for each of the routines whose names contain the specified substring. Option -qopt-report-routine is the replacement option for -opt-report-routine, which is deprecated.
qopt-streaming-cache-evict, Qopt-streaming-cache-evict	Specifies the cache eviction level to be used by the compiler for streaming loads and stores. Option -qopt-streaming-cache-evict is the replacement option for -opt-streaming-cache-evict, which is deprecated.
qopt-streaming-stores, Qopt-streaming-stores	Enables generation of streaming stores for optimization. Option -qopt-streaming-stores is the replacement option for -opt-streaming-stores, which is deprecated.
qopt-subscript-in-range, Qopt-subscript-in-range	Determines whether the compiler assumes that there are no "large" integers being used or being computed inside loops. Option -qopt-subscript-in-range is the replacement option for -opt-subscript-in-range, which is deprecated.
qopt-threads-per-core, Qopt-threads-per-core	Informs the compiler about the number of hardware threads per core that will be used for an application. This option only applies to Intel® MIC Architecture. Option -qopt-threads-per-core is the replacement option for -opt-threads-per-core, which is deprecated.
Qpar-adjust-stack	Tells the compiler to generate code to adjust the stack size for a fiber-based main thread.
Qpatchable-addresses	Tells the compiler to generate code such that references to statically assigned addresses can be patched.
Qsfalign	Specifies stack alignment for functions.
Quse-msasm-symbols	Tells the compiler to use a dollar sign ("$") when producing symbol names.
Qvc	Specifies compatibility with Microsoft* Visual C++ or Microsoft* Visual Studio.
rcd, Qrcd	Enables fast float-to-integer conversions.
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.
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.
scalar-rep, Qscalar-rep	Enables or disables the scalar replacement optimization done by the compiler as part of loop transformations.
S	Causes the compiler to compile to an assembly file only and not link.
shared-intel	Causes Intel-provided libraries to be linked in dynamically.
shared-libgcc	Links the GNU libgcc library dynamically.
shared	Tells the compiler to produce a dynamic shared object instead of an executable.
show	Controls the contents of the listing generated when option list is specified.
simd, Qsimd	Enables or disables compiler interpretation of SIMD directives .
sox	Tells the compiler to save the compilation options and version number in the executable file. It also lets you choose whether to include lists of certain routines .
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.
stand	Tells the compiler to issue compile-time messages for nonstandard language elements.
static-intel	Causes Intel-provided libraries to be linked in statically.
static-libgcc	Links the GNU libgcc library statically.
staticlib	Invokes the libtool command to generate static libraries.
static-libstdc++	Links the GNU libstdc++ library statically.
static	Prevents linking with shared libraries.
syntax-only	Tells the compiler to check only for correct syntax.
sysroot	Specifies the root directory where headers and libraries are located.
tcollect, Qtcollect	Inserts instrumentation probes calling the Intel® Trace Collector API.
tcollect-filter, Qtcollect-filter	Lets you enable or disable the instrumentation of specified functions.
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 run-time 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 run time.
T	Tells the linker to read link commands from a file.
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.
unroll-aggressive, Qunroll-aggressive	Determines whether the compiler uses more aggressive unrolling for certain loops.
use-asm, Quse-asm	Tells the compiler to produce objects through the assembler. This is a deprecated option. There is no replacement option.
U	Undefines any definition currently in effect for the specified symbol .
vec, Qvec	Enables or disables vectorization.
vecabi, Qvecabi	Determines which vector function application binary interface (ABI) the compiler uses to create or call vector functions.
vec-guard-write, Qvec-guard-write	Tells the compiler to perform a conditional check in a vectorized loop.
vec-threshold, Qvec-threshold	Sets a threshold for the vectorization of loops.
vms	Causes the run-time system to behave like HP* Fortran on OpenVMS* Alpha systems and VAX* systems (VAX FORTRAN*).
v	Specifies that driver tool commands should be displayed and executed.
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.
Winline	Warns when a function that is declared as inline is not inlined.
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, 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.
X	Removes standard directories from the include file search path.
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.
Zo	Enables or disables generation of enhanced debugging information for optimized code.