Cross Reference of Compiler Options

i32

The option is available on IA-32-based systems

i32em

The option is available on IA-32-based systems with Intel® Extended Memory 64 Technology (Intel® EM64T)

i64

The option is available on Itanium®-based systems

/1

-1

Executes at least one iteration of DO loops.

OFF

/4I{2|4|8}

-i{2|4|8}

Specifies the default KIND for integer and logical variables; same as the /integer_size option.

/4I4
-i4

/4L{72|80|132}

-72, -80, -132

Treats the statement field of each fixed-form source line as ending in column 72, 80, or 132; same as the /extend_source option.

/4L72
-72

/4Na, /4Ya

None

Determines where local variables are stored. /4Na is the same as /Qsave. /4Ya is the same as /Qautomatic.

ON

/4Naltparam, /4Yaltparam

None

Determines whether alternate syntax is allowed for PARAMETER statements; same as the /altparam option).

ON

/4Nb, /4Yb

None

Determines whether checking is performed for run-time failures (same as the /check option).

OFF

/4Nd, /4Yd

-implicitnone or -u (for /4Yd)

Determines whether error messages are issued for undeclared symbols. /4Nd is the same as /warn:nodeclarations. /4Yd is the same as /warn:declarations.

OFF

/4Nf, /4Yf

None

Specifies the format for source files. /4Nf is the same as /fixed. /4Yf is the same as /free.

OFF

/4Ns, /4Ys

-e95 or -e90 (for /4Ys)

Determines whether the compiler changes warning messages about Fortran standards violations to error messages. /4Ns is the same as /warn:nostderrors. /4Ys is the same as /warn:stderrors.

OFF

/4R8, /4R16

None

Specifies the default KIND for real and complex variables; same as the /real_size option.

OFF

/4Yportlib

None

Links against the library of portability routines.

ON

/align[:keyword]

-align [keyword]

Tells the compiler how to align certain data items.

keywords:
nocommons
nodcommons
records
rec8byte
nosequence

/altparam

-altparam

Allows alternate syntax (without parentheses) for PARAMETER statements.

ON

/architecture:keyword
(i32, i32em)

-arch keyword
(i32, i32em)

Determines the version of the architecture for which the compiler generates instructions.

keyword:

pn4

/asmattr:keyword

None

Specifies the contents of an assembly listing file.

OFF

/asmfile[:name]

-S

Specifies that an assembly listing file should be generated.

OFF

/assume:keyword

-assume keyword

Specifies assumptions made by the compiler.

keywords:
protect_
constants
source_
include
nobscc
nobuffered_io
nobyterecl
nocc_omp
nodummy_
aliases
nominus0
nounderscore
no2underscores

/auto

-auto

Causes all variables to be allocated to the run-time stack; same as the /automatic option.

OFF

/automatic

-automatic

Causes all variables to be allocated to the run-time stack; same as the /auto option.

OFF

/bintext

None

Places the text string specified into the object file (.obj) being generated by the compiler.

OFF

/c

-c

Causes the compiler to compile to an object file only and not link.

OFF

/C

None

Performs checking for all run-time failures; same as the /check:all option.

OFF

/CB

-CB

Performs run-time checking on array subscript and character substring expressions; same as the /check:bounds option.

OFF

/ccdefault:
keyword

-ccdefault keyword

Specifies the type of carriage control used when a file is displayed at a terminal screen.

keyword:

default

/check[:keyword]

-check [keyword]

Checks for certain conditions at run time.

OFF

/cm

-cm

Disables all messages about questionable programming  practices; same as specifying option /warn:nousage.

OFF

/compile-only

None

Causes the compiler to compile to an object file only and not link; same as the /c option.

OFF

/convert:keyword

-convert keyword

Specifies the format of unformatted files containing numeric data.

keyword:
native

/Dname[=value]

-Dname[=value]

Defines a symbol name that can be associated with an optional value.

OFF

/d_lines

-d_lines

Compiles debugging statements indicated by the letter D in column 1 of the source code.

OFF

/dbglibs

None

Tells the linker to search for unresolved references in a debug run-time library.

OFF

/debug:keyword

-debug keyword
Note: the Linux option takes different keywords

Specifies the type of debugging information generated by the compiler in the object file.

keywords:
full (IDE)
minimal (command line)

/define:name[=value]

None

Defines a symbol name that can be associated with an optional value; same as the /Dname[=value] option.

OFF

/dll

None

Specifies that a program should be linked as a dynamic-link (DLL) library.

OFF

/double_size:
size

-double_size size

Defines the default KIND for DOUBLE PRECISION and DOUBLE COMPLEX variables.

size: 64

/E

-E

Causes the Fortran preprocessor to send output to stdout.

OFF

/EP

-EP

Causes the Fortran preprocessor to send output to stdout, omitting #line directives.

OFF

/error_limit:n

-error_limit n

Specifies the maximum number of error-level or fatal-level compiler errors allowed for a file specified on the command line.

n: 30

/exe:{file | dir}

-o

Specifies the name for a built program or dynamic-link library.

OFF

/extend_source[:
size]

-extend_source [size]

Specifies the length of the statement field in a fixed-form source file.

size: 72

/extfor:ext

None

Specifies file extensions to be processed by the compiler as Fortran files.

OFF

/extfpp:ext

None

Specifies file extensions to be recognized as a file to be preprocessed by the Fortran preprocessor.

OFF

/extlnk:ext

None

Specifies file extensions to be passed directly to the linker.

OFF

/Fn

None

Specifies the stack reserve amount for the program.

OFF

/f66

-f66

Tells the compiler to apply FORTRAN 66 semantics.

OFF

/f77rtl

-f77rtl

Tells the compiler to use the run-time behavior of Fortran 77.

OFF

/Fa[:file | dir]

-S

Specifies that an assembly listing file should be generated; same as option /asmfile and /S.

OFF

/FAc, /FAs, /FAcs

None

Specifies the contents of an assembly listing file. /FAc is the same as the /asmattr:machine option. /FAs is the same as the /asmattr:source option. /FAcs is the same as the /asmattr:all option.

OFF

/fast

-fast

Maximizes speed across the entire program.

OFF

/Fefile

-o

Specifies the name for a built program or dynamic-link library; same as the /exe option.

OFF

/FI

-FI

Specifies source files are in fixed format; same as the /fixed option.

determined by file suffix

/fixed

-fixed

Specifies source files are in fixed format.

determined by file suffix

/fltconsistency

-fltconsistency

Enables improved floating-point consistency.

OFF

/Fm[file]

None

Tells the linker to generate a link map file; same as the /map[:file] option.

OFF

/Fofile

None

Specifies the name for an object file; same as the /object:file option.

OFF

/fpconstant

-fpconstant

Tells the compiler that single-precision constants assigned to double-precision variables should be evaluated in double precision.

OFF

/fpe:n

-fpen

Specifies floating-point exception handling for the main program at run-time.

n: 3

/fpp

-fpp

Runs the Fortran preprocessor on source files before compilation.

OFF

/fpscomp[:keyword]

-fpscomp [keyword]

Specifies compatibility with Microsoft* Fortran PowerStation or Intel® Fortran.

keyword:
libs

/FR

-FR

Specifies source files are in free format; same as the /free option.

determined by file suffix

/free

-free

Specifies source files are in free format.

determined by file suffix

/G{1|2}
(i64 only)

-tpp{1|2}
(i64 only)

Optimizes application performance for Intel® Itanium® processors.

/G2
-tpp2

/G{5|6|7}
(i32, i32em)

-tpp{5|6|7}
(i32, i32em)

Optimizes application performance for IA-32 and Intel® EM64T processors.

/G7
-tpp7

/GB

None

Optimizes for Intel® Pentium® Pro, Pentium® II and Pentium® III processors; same as the /G6 option.

OFF

/Ge

None

Enables stack-checking for all functions.

OFF

/gen-interfaces

-gen-interfaces

Tells the compiler to generate an interface block for each routine in a source file.

OFF

/Gm

None

Tells the compiler to use calling convention CVF; same as the /iface:cvf option.

OFF

/Gs[n]

None

Disables stack-checking for routines with a specified number of bytes of local variables and compiler temporaries.

n: 4096

/Gz

None

Tells the compiler to use calling convention STDCALL; same as the /iface:stdcall option.

OFF

/help

-help

Displays the list of compiler options; same as the /? option.

OFF

/I:dir

-Idir

Specifies a directory to add to the include path.

OFF

/iface:keyword
/iface:[no]mixed_str
_len_arg

None
-mixed_str_len_arg

Specifies the default calling convention for an application or the argument-passing convention used for hidden-length character arguments.

keyword [no]mixed_str_len_arg determines argument-passing conventions for hidden-length character arguments.

keywords:
default
nomixed_str_
len_arg

/include:dir

-Idir

Specifies a directory to add to the include path; same as the /I:dir option.

OFF

/intconstant

-intconstant

Tells the compiler to use Fortran 77 semantics to determine the kind parameter for integer constants.

OFF

/integer_size:
size

-integer_size size

Specifies the default KIND for integer and logical variables.

size: 32

/LD

None

Specifies that a program should be linked as a dynamic-link (DLL) library.

OFF

/libdir[:keyword]

None

Controls whether linker options for search libraries are included in object files generated by the compiler.

keyword:

all

/libs:keyword

None

Tells the linker to search for unresolved references in a specific run-time library.

keyword:

static

/link

None

Passes options to the linker at compile time.

OFF

/logo

-logo

Displays the compiler version information.

Windows: ON
Linux: OFF

/map[:file]

None

Tells the linker to generate a link map file.

OFF

/MD and /MDd

None

Tells the linker to search for unresolved references in a multithreaded, dynamic-link debug run-time library.

OFF

/MDs

None

Tells the linker to search for unresolved references in a single-threaded, dynamic-link run-time library.

OFF

/MDsd

None

Tells the linker to search for unresolved references in a single-threaded, dynamic-link debug run-time library.

OFF

/MG

None

Tells the compiler to create a graphics or Fortran Windows application and link against the most commonly used libraries.

OFF

/ML

None

Specifies a single-threaded, static library; same as the /libs:static option.

i32, i64: ON
i32em: OFF

/MLd

None

Specifies a single-threaded, static, debug library; same as specifying options /libs:static /dbglibs.

i32, i64: ON
i32em: OFF

/module:path

-module path

Specifies the directory where module files should be placed when created and where they should be searched for.

OFF

/MT

None

Tells the linker to search for unresolved references in a multithreaded, static run-time library.

i32, i64: OFF
i32em: ON

/MTd

None

Tells the linker to search for unresolved references in a multithreaded, static, debug run-time library.

i32, i64: OFF
i32em: ON

/MW

None

Tells the linker to search for unresolved references in a Fortran QuickWin library.

OFF

/MWs

None

Tells the linker to search for unresolved references in a Fortran standard graphics library.

OFF

/names:keyword

-names keyword

Specifies how source code identifiers and external names are interpreted.

keyword:

Windows: uppercase
Linux: lowercase

/nbs

-nbs

Tells the compiler to treat the backslash character (\) as a normal character in character literals; same as the /assume:nobscc option.

ON

/noalign

-noalign

Prevents the alignment of data items.

OFF

/noaltparam

-noaltparam

Specifies that the alternate form of parameter constant declarations (without parentheses) should not be recognized.

OFF

/nodefine

-nodefine

Specifies that all preprocessor definitions apply only to fpp and not to Intel® Fortran conditional compilation directives.

OFF

/noinclude

-X

Removes standard directories from the include file search path; same as the /X option.

OFF

/nowarn

-nowarn

Suppresses all warning messages.

OFF

/O1

-O1

Enables optimizations for speed and disables some optimizations that increase code size and affect speed.

OFF

/O2

-O2

Enables optimizations for speed. This is the generally recommended optimization level.

ON

/O3

-O3

Enables /O2 optimizations plus more aggressive optimizations.

OFF

/Obn

-Obn

Specifies the level of inline function expansion. n = 0, 1, or 2.

/Ob2 if /O2 is in effect
/Ob0 if /Od is specified

/object:file

None

Specifies the name for an object file.

OFF

/Od

-O0

Disables optimizations.

OFF

/Og

None

Enables global optimizations.

ON

/Op

-mp

Enables improved floating-point consistency.

OFF

/optimize:n

-On

Affects optimizations performed by the compiler; n = 1, 2, 3, or 4.

OFF

/Os

None

Enables most speed optimizations, but disables some optimizations that increase code size for a small speed benefit.

ON

/Ot

None

Enables all speed optimizations.

ON

/Ox

-O2

Same as the /O2 option.

ON

/Oy-
(i32 only)

-fp
(i32, i32em)

Disallows use of EBP as a general-purpose register in optimizations.  

OFF

/pad-source

-pad-source

Specifies that fixed-form source records shorter than the statement field width should be padded with spaces (on the right) to the end of the statement field.

/nopad_source

/pdbfile[:file]

None

Specifies that any debug information generated by the compiler should be saved to a program database file.

/nopdbfile

/preprocess_only

-preprocess_only

Causes the Fortran preprocessor to send output to a file, which is named by default. Requires option -fpp.

OFF

/Qansi-alias

-ansi-alias

Tells the compiler to assume the program adheres to the Fortran 95 Standard type aliasability rules.

ON

/Qauto

-auto

Causes all variables to be allocated on the stack, rather than in local static storage.

-auto-scalar

/Qauto-scalar

-auto-scalar

Causes allocation of scalar variables of intrinsic types INTEGER, REAL, COMPLEX, and  LOGICAL  to  the run-time stack.

ON

/Qautodouble

-autodouble

Makes default real and complex variables 8 bytes long; same as the /real_size:64 option.

OFF

/Qaxp
(i32, i32em)

-axp
(i32, i32em)

Generates processor-specific code if there is a performance benefit. The p indicates the processor type.

OFF

/Qchkstk[-]
(i64 only)

None

Enables stack probing when the stack is dynamically expanded at run-time.

ON

/Qcommon-args

-common-args

Tells the compiler that dummy (formal) arguments to procedures share memory locations with other dummy arguments or with COMMON variables that are assigned.

OFF

/Qcomplex-limited-range[-]

-complex-limited-
range

Enables the use of basic algebraic expansions of some arithmetic operations involving data of type COMPLEX.

OFF

/Qcpp

-cpp

Runs the Fortran preprocessor on source files before compilation; same as the /fpp option.

OFF

/Qd_lines

-d_lines

Compiles debugging statements indicated by the letter D in column 1 of the source code; same as the /d_lines option.

OFF

/Qdps

-dps

Specifies that the alternate syntax for PARAMETER statements is allowed; same as the /altparam option).

ON

/Qdyncom:A,B,C

-dyncom "a,b,c"

Enables dynamic allocation of the specified COMMON blocks at run time.

OFF

/Qextend_source

-extend_source size

This is the same as specifying option /extend_source: 
132

OFF

/Qfnsplit[-]

-fnsplit[-]

Enables function splitting.

OFF

/Qfp_port[-]
(i32 only)

-fp-port[-]
(i32, i32em)

Rounds floating-point results after floating-point operations, so rounding to user-declared precision happens at assignments and type conversions (some impact on speed).

OFF

/Qfppn

-fpp

Runs the Fortran preprocessor on source files prior to compilation.
If n is above zero, it's the same as the /fpp option. If n is zero, it's the same as the /nofpp option.

OFF

/Qfpstkchk
(i32, i32em)

-fpstkchk
(i32, i32em)

Generates extra code after every function call to ensure that the FP (floating-point) stack is in the expected state.

OFF

/Qftz
(i32, i64)

-ftz
(i32, i64)

Flushes denormal results to zero.

OFF

/Qglobal-hoist

-global-hoist

Enables certain optimizations that can move memory loads to a point earlier in the program execution than where they appear in the source.

OFF

/QIA64-fr32
(i64 only)

None

Disables use of high floating-point registers.

OFF

/QIfist
(i32 only)

None

Enables fast float-to-integer conversions; same as the /Qrcd option.

OFF

/Qinline-debug-info

-inline-debug-info

Produces enhanced source position information for inlined code.

OFF

/Qip

-ip

Enables single-file interprocedural optimizations.

OFF

/Qip-no-inlining

-ip-no-inlining

Disables full and partial inlining enabled by -ip.

OFF

/Qip-no-pinlining
(i32, i32em)

-ip-no-pinlining
(i32, i32em)

Disables partial inlining.

OFF

/QIPF-flt-eval-method0
(i64 only)

-IPF-flt-eval-
method0
(i64 only)

Tells the compiler to evaluate the expressions involving floating-point operands in the precision indicated by the variable types declared in the program.

OFF

/QIPF-fltacc
(i64 only)

-IPF-fltacc
(i64 only)

Tells the compiler to apply optimizations that affect floating-point accuracy.

OFF

/QIPF-fma
(i64 only)

-IPF-fma
(i64 only)

Enables the combining of floating-point multiplies and add/subtract operations.

ON

/QIPF-fp-relaxed
(i64 only)

-IPF-fp-relaxed
(i64 only)

Enables use of faster but slightly less accurate code sequences for math functions, such as divide and sqrt.

OFF

/QIPF_fp_speculationmode
(i64 only)

-IPF-fp-
speculationmode
(i64 only)

Enables or disables floating-point speculations.

mode: fast

/Qipo[n]

-ipo[n]

Enables multifile IP optimizations between files.

OFF

/Qipo-c

-ipo-c

Generates a multifile object file that can be used in further link steps.

OFF

/Qipo-S

-ipo-S

Generates a multifile assembly file that can be used in further link steps.

OFF

/Qipo-separate

-ipo-separate

Generates one object file per source file.

OFF

/Qivdep-parallel
(i64 only)

-ivdep-parallel
(i64 only)

Tells the compiler that there is no loop-carried memory dependency in any loop following an IVDEP directive.

OFF

/Qlocation,string,dir

-Qlocation,string,dir

Specifies a directory as the location of the specified tool in string.

OFF

/Qlowercase

-lowercase

Causes the compiler to ignore case differences in identifiers and to convert external names to lowercase; same as the /names:lowercase option.

Windows: OFF
Linux: ON

/Qmap-opts

-map-opts

Converts one or more Windows* compiler options to their equivalent on a Linux* system (or vice versa).

OFF

/Qnobss-init

-nobss-init

Places any variables that are explicitly initialized with zeros in the DATA section.

OFF

/Qonetrip

-onetrip

This is the same as specifying option /onetrip.

OFF

/Qopenmp

-openmp

Enables the parallelizer to generate multithreaded code based on OpenMP* directives.

OFF

/Qopenmp-profile

-openmp-profile

Enables analysis of OpenMP* applications.

OFF

/Qopenmp-reportn

-openmp-report[n]

Controls the OpenMP parallelizer's level of diagnostic messages.

n=1

/Qopenmp-stubs

-openmp-stubs

Tells the compiler to generate sequential code.

OFF

/Qopt-report

-opt-report

Tells the compiler to generate an optimization report to stderr.

OFF

/Qopt-report-filefile

-opt-report-filefile

Tells the compiler to generate an optimization report named file.

OFF

/Qopt-report-help

-opt-report-help

Displays the logical names of optimizers available for report generation (using /Qopt_report_phase).

OFF

/Qopt-report-levellevel

-opt-report-levellevel

Specifies the detail level of the optimization report.

level: min

/Qopt-report-phasephase

-opt-report-phasephase

Specifies the optimizer phase to generate reports for.

OFF

/Qopt-report-routine[string]

-opt-report-routine[string]

Generates a report on all routines or the routines containing the specified string.

OFF

/Qoption,string,options

-Qoption,string,options

Passes options to the specified tool in string.

OFF

/Qpad

-pad

Enables the changing of the variable and array memory layout.

OFF

/Qpad-source

-pad-source

This is the same as specifying option /pad-source.

OFF

/Qpar-report[n]

-par-report[n]

Controls the auto-parallelizer's level of diagnostic messages.

n=1

/Qpar-threshold[[:]n]

-par-threshold[n]

Sets a threshold for the auto-parallelization of loops based on the probability of profitable execution of the loop in parallel.

n=100

/Qparallel

-parallel

Tells the auto-parallelizer to generate multithreaded code for loops that can be safely executed in parallel.

OFF

/Qpcn
(i32, i32em)

-pcn
(i32, i32em)

Enables control of floating-point significand precision.

n=64

/Qprec-div
(i32, i32em)

-prec-div
(i32, i32em)

Disables floating point division-to-multiplication optimization resulting in more accurate division results; some speed impact.

OFF

/Qprec-sqrt
(i32, i32em)

-prec-sqrt
(i32, i32em)

Improves precision of square root implementations.

OFF

/Qprefetch
(i32 only)

-prefetch
(i32 only)

Enables prefetch insertion optimization (requires -O3).

ON

/Qprof-dir dir

-prof-dir dir

Specifies a directory for profiling information output files.

OFF

/Qprof-file file

-prof-file file

Specifies a file name for the profiling summary file.

OFF

/Qprof-format-32
(i32, i64)

-prof-format-32
(i32, i64)

Produces profile data with 32-bit counters.

OFF

/Qprof-gen

-prof-gen

Instruments a program for profiling.

OFF

/Qprof-gen-sampling

-prof-gen-sampling

Prepares application executables for hardware profiling (sampling) and causes the compiler to generate source code mapping information.

OFF

/Qprof-genx

-prof-genx

Instruments a program for profiling and gathers extra information for code coverage tools.

OFF

/Qprof-use

-prof-use

Enables the use of profiling information during optimization.

OFF

/Qrcd
(i32 only)

-rcd
(i32 only)

Enables fast float-to-integer conversions.

OFF

/Qrct

(i32 only)

None

Sets the internal FPU rounding control to Truncate.

OFF

/Qsafe-cray-ptr

-safe-cray-ptr

Tells the compiler that Cray* pointers do not alias other variables.

OFF

/Qsave

-save

Causes variables to be placed in static memory.

OFF

/Qscalar-rep
(i32 only)

-scalar-rep
(i32 only)

Enables scalar replacement performed during loop transformation (requires /O3).

OFF

/Qsfalign[n]
(i32 only)

None

Specifies stack alignment for functions. n is 8 or 16.

/Qsfalign8

/Qsox

-sox

Tells the compiler to save the compiler options and version number in the executable.

OFF

/Qssp
(i32 only)

-ssp
(i32 only)

Enables the software-based speculative pre-computation (SSP) optimization to generate prefetching helper threads.

OFF

/Qtcheck

-tcheck

Enables analysis of threaded applications.

OFF

/Qtrapuv

-ftrapuv

Initializes local variables to Not a Number (NaN).

OFF

/Qunroll[:n]

-unroll[n]

Tells the compiler the maximum number of times to unroll loops; same as the /unroll[:n] option.

OFF

/Quppercase

-uppercase

Causes the compiler to ignore case differences in identifiers and to convert external names to uppercase; same as the /names:uppercase option.

Windows: ON
Linux: OFF

/Quse-asm
(i32 only)

-use-asm

Tells the compiler to produce objects through the assembler.

OFF

/Quse_vcdebug

(i32 only)

None

Tells the compiler to issue debug information compatible with the Visual C++ debugger.

OFF

/Qvc6
(i32 only)

None

Specifies compatibility with Visual C++ 6.0.

OFF

/Qvc7
(i32 only)

None

Specifies compatibility with Microsoft* Visual Studio .NET 2002.

OFF

/Qvc7.1
(i32, i32em)

None

Specifies compatibility with Microsoft* Visual Studio .NET 2003.

OFF

/Qvec-report[n]
(i32, i32em)

-vec-report[n]
(i32, i32em)

Controls the diagnostic information reported by the vectorizer.

n: 1

/Qvms

-vms

Causes the run-time system to behave like HP Fortran for OpenVMS* Alpha systems and VAX* systems (VAX FORTRAN*) in certain ways; same as the /vms option.

OFF

/Qxp
(i32, i32em)

-xp
(i32, i32em)

Generates the minimum set of processor-specific instructions required for the processor that executes your program. The p indicates the processor type.

i32: OFF
i32em: /QxW

/Qzero

-zero

Initializes to zero all local scalar variables of intrinsic type INTEGER, REAL, COMPLEX, or LOGICAL that are saved but not yet initialized.

OFF

/real_size:size

-real_size size

Specifies the default KIND for real variables.

size: 32

/recursive

-recursive

Tells the compiler that all routines should be compiled for possible recursive execution.

OFF

/reentrancy:keyword

-reentrancy keyword

Tells the compiler to generate reentrant code to support a multithreaded application.

OFF

/RTCu

None

Causes checking to occur for uninitialized variables; same as the /check:uninit option.

OFF

/S

-S

Causes the compiler to compile to an assembly file only and not link.

OFF

/source:file

None

Tells the compiler to compile the file as a Fortran source file.

OFF

/stand:keyword

-stand keyword

Causes the compiler to issue compile-time messages for nonstandard language elements.

OFF

/static

-static

Prevents linking with shared libraries.

ON

/syntax-only

-syntax-only

Tells the compiler to check only for correct syntax.

OFF

/Tf file

-Tf file

Tells the compiler to compile the file as a Fortran source file; same as the /source option.

OFF

/threads

-threads

Tells the linker to search for unresolved references in a multithreaded run-time library.

i32, i64: OFF
i32em: ON

/traceback

-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.

OFF

/tune:keyword
(i32, i32em)

-tune keyword
(i32, i32em)

Determines the version of the architecture for which the compiler generates instructions.

keyword: pn4

/u

None
Note: the Linux option -u is not the same

Undefines all previously defined preprocessor values.

OFF

/Uname

/Uname

Undefines any definition currently in effect for the specified symbol; same as the /undefine option.

/undefine:name

None

Undefines any definition currently in effect for the specified symbol.

OFF

/unroll[:n]

-unroll[n]

Tells the compiler the maximum number of times to unroll loops.

OFF

/us

-us

Tells the compiler to append an underscore character to external user-defined names; same as the /assume:underscore option.

OFF

/Vstring

None

Places the text string specified into the object file (.obj) being generated by the compiler; same as the /bintext option.

OFF

/vms

-vms

Causes the run-time system to behave like HP* Fortran on OpenVMS* Alpha systems and VAX* systems (VAX FORTRAN*).

OFF

/w

-w

Disables all warning messages; same as specifying option /warn:none or /warn:nogeneral.

OFF

/Wn

-Wn

Disables (n=0) or enables (n=1) all warning messages.

n=1

/w90 or /w95

-w90 or -w95

Causes the compiler to issue no messages for nonstandard language elements; same as the /stand:none option.

ON

/warn:keyword

-warn keyword

Specifies diagnostic messages to be issued by the compiler.

keywords:

alignments
general
usage
nodeclarations
noerrors
noignore_loc
nointerfaces
nostderrors
notruncated_source
nouncalled
nounused

/watch[:keyword]

None

Tells the compiler to display processing information to the console output window.

OFF

/what

-what

Tells the compiler to display the version strings of the Fortran driver and the compiler.

OFF

/winapp

None

Tells the compiler to create a graphics or Fortran Windows application and link against the most commonly used libraries.

OFF

/X

-X

Removes standard directories from the include file search path.

OFF

/Zd

None

Tells the compiler to generate line numbers and minimal debugging information; same as the /debug:minimal option.

OFFt

/Zi or /Z7

-g

Tells the compiler to generate full debugging information in the object file; same as the /debug:full or /debug option.

OFF

/Zl

None

Prevents any linker search options from being included into the object file; same as the /libdir:none or /nolibdir  option.

OFF

/Zp[n]

-Zp[n]

Aligns fields of records and components of derived types on the smaller of the size boundary specified or the boundary that will naturally align them; same as the /align:recnbyte option.

n=16

/Zs

-y

Tells the compiler to perform syntax checking only; same as the /syntax-only option.

OFF