Q Options

• A, QA
  Specifies an identifier for an assertion.
• A-, QA-
  Disables all predefined macros. This is a deprecated option.
• fargument-alias, Qalias-args
  Determines whether function arguments can alias each other.
• alias-const, Qalias-const
  Determines whether the compiler assumes a parameter of type pointer-to-const does not alias with a parameter of type pointer-to-non-const.
• ansi-alias, Qansi-alias
  Enable use of ANSI aliasing rules in optimizations.
• ansi-alias-check, Qansi-alias-check
  Enables or disables the ansi-alias checker.
• auto-ilp32, Qauto-ilp32
  Instructs the compiler to analyze the program to determine if there are 64-bit pointers that can be safely shrunk into 32-bit pointers and if there are 64-bit longs (on Linux* OS) that can be safely shrunk into 32-bit longs.
• ax, Qax
  Tells the compiler to generate multiple, processor-specific auto-dispatch code paths for Intel processors if there is a performance benefit.
• c99, Qc99
  Determines whether C99 support is enabled for C programs. This is a deprecated option.
• cilk-serialize, Qcilk-serialize
  Causes serialization of Intel® Cilk™ Plus code.
• 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.
• Wcontext-limit, Qcontext-limit
  Set the maximum number of template instantiation contexts shown in diagnostic.
• 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.
• Qcxx-features
  Enables standard C++ features without disabling Microsoft features.
• dD, QdD
  Same as option -dM, but outputs #define directives in preprocessed source.
• diag, Qdiag
  Controls the display of diagnostic information.
• diag-dump, Qdiag-dump
  Tells the compiler to print all enabled diagnostic messages and stop compilation.
• diag, Qdiag
  Controls the display of diagnostic information.
• diag-enable sc-include, Qdiag-enable:sc-include
  Tells a source code analyzer to process include files and source files when issuing diagnostic messages.
• diag-error-limit, Qdiag-error-limit
  Specifies the maximum number of errors allowed before compilation stops.
• 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.
• diag-sc-dir, Qdiag-sc-dir
  Specifies a directory for static security analysis results.
• dM, QdM
  Tells the compiler to output macro definitions in effect after preprocessing.
• dN, QdN
  Same as -dD, but output #define directives contain only macro names.
• Weffc++, Qeffc++
  Enables warnings based on certain C++ programming guidelines.
• fast-transcendentals, Qfast-transcendentals
  Enables the compiler to replace calls to transcendental functions with faster but less precise implementations.
• falign-functions, Qfnalign
  Tells the compiler to align functions on an optimal byte boundary.
• Qfnsplit
  Enables function splitting.
• fp-port, Qfp-port
  Rounds floating-point results after floating-point operations.
• 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.
• fp-trap, Qfp-trap
  Sets the floating-point trapping mode for the main routine.
• fp-trap-all, Qfp-trap-all
  Sets the floating-point trapping mode for all routines.
• ffreestanding, Qfreestanding
  Ensures that compilation takes place in a freestanding environment.
• ftz, Qftz
  Flushes denormal results to zero.
• 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.
• guide, Qguide
  Lets you set a level of guidance for auto-vectorization, auto-parallelization, 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-parallelization to be output to a file.
• guide-file-append, Qguide-file-append
  Causes the results of guided auto-parallelization 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-parallelization.
• guide-vec, Qguide-vec
  Lets you set a level of guidance for auto-vectorization.
• H, QH
  Tells the compiler to display the include file order and continue compilation.
• help-pragma, Qhelp-pragma
  Displays all supported pragmas.
• QIfist
  This is a deprecated, alternate option name for option /Qrcd.
• 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.
• fimf-arch-consistency, Qimf-arch-consistency
  Ensures that the math library functions produce consistent results across different implementations of the same architecture.
• fimf-max-error, Qimf-max-error
  Defines the maximum allowable relative error for math library function results.
• fimf-precision, Qimf-precision
  Defines the accuracy for math library functions.
• inline-calloc, Qinline-calloc
  Tells the compiler to inline calls to calloc() as calls to malloc() and memset().
• inline-debug-info, Qinline-debug-info
  Produces enhanced source position information for inlined code. This is a deprecated option.
• Qinline-dllimport
  Determines whether dllimport functions are inlined.
• inline-factor, Qinline-factor
  Specifies the percentage multiplier that should be applied to all inlining options that define upper limits.
• inline-forceinline, Qinline-forceinline
  Specifies that an inline routine should be inlined whenever the compiler can do so.
• 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.
• Qinstall
  Specifies the root directory where the compiler installation was performed.
• minstruction, Qinstruction
  Determines whether MOVBE instructions are generated for Intel processors.
• finstrument-functions, Qinstrument-functions
  Determines whether function entry and exit points are instrumented.
• intel-extensions, Qintel-extensions
  Enables or disables all Intel® C/C++ language extensions.
• 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.
• ipp, Qipp
  Tells the compiler to link to the some or all of the Intel® Integrated Performance Primitives (Intel® IPP) libraries.
• fkeep-static-consts, Qkeep-static-consts
  Tells the compiler to preserve allocation of variables that are not referenced in the source.
• Qlocation
  Specifies the directory for supporting tools.
• Qlong-double
  Changes the default size of the long double data type.
• M, QM
  Tells the compiler to generate makefile dependency lines for each source file.
• map-opts, Qmap-opts
  Maps one or more compiler options to their equivalent on a different operating system.
• MD, QMD
  Preprocess and compile, generating output file containing dependency information ending with extension .d.
• MF, QMF
  Tells the compiler to generate makefile dependency information in a file.
• MG, QMG
  Tells the compiler to generate makefile dependency lines for each source file.
• mkl, Qmkl
  Tells the compiler to link to certain parts of the Intel® Math Kernel Library (Intel® MKL).
• MM, QMM
  Tells the compiler to generate makefile dependency lines for each source file.
• MMD, QMMD
  Tells the compiler to generate an output file containing dependency information.
• Qms
  Tells the compiler to emulate Microsoft compatibility bugs.
• MT, QMT
  Changes the default target rule for dependency generation.
• multibyte-chars, Qmultibyte-chars
  Determines whether multi-byte characters are supported.
• no-bss-init, Qnobss-init
  Tells the compiler to place in the DATA section any uninitialized variables and explicitly zero-initialized variables.
• openmp, Qopenmp
  Enables the parallelizer to generate multi-threaded code based on the OpenMP* directives.
• openmp-lib, Qopenmp-lib
  Lets you specify an OpenMP* run-time library to use for linking.
• openmp-link, Qopenmp-link
  Controls whether the compiler links to static or dynamic OpenMP run-time libraries. This is a deprecated option.
• openmp-profile, Qopenmp-profile
  Enables analysis of OpenMP* applications if Intel® Thread Profiler is installed. This is a deprecated option.
• openmp-report, Qopenmp-report
  Controls the OpenMP* parallelizer's level of diagnostic messages.
• openmp-stubs, Qopenmp-stubs
  Enables compilation of OpenMP programs in sequential mode.
• openmp-task, Qopenmp-task
  Lets you choose an OpenMP* tasking model.
• openmp-threadprivate, Qopenmp-threadprivate
  Lets you specify an OpenMP* threadprivate implementation.
• opt-args-in-regs, Qopt-args-in-regs
  Determines whether calls to routines are optimized by passing parameters in registers instead of on the stack.
• opt-block-factor, Qopt-block-factor
  Lets you specify a loop blocking factor.
• opt-class-analysis, Qopt-class-analysis
  Determines whether C++ class hierarchy information is used to analyze and resolve C++ virtual function calls at compile time.
• opt-jump-tables, Qopt-jump-tables
  Enables or disables generation of jump tables for switch statements.
• opt-matmul, Qopt-matmul
  Enables or disables a compiler-generated Matrix Multiply (matmul) library call.
• opt-multi-version-aggressive, Qopt-multi-version-aggressive
  Tells the compiler to use aggressive multi-versioning to check for pointer aliasing and scalar replacement.
• opt-prefetch, Qopt-prefetch
  Enables or disables prefetch insertion optimization.
• opt-ra-region-strategy, Qopt-ra-region-strategy
  Selects the method that the register allocator uses to partition each routine into regions.
• opt-report, Qopt-report
  Tells the compiler to generate an optimization report to stderr.
• opt-report-file, Qopt-report-file
  Specifies the name for an optimization report.
• opt-report-help, Qopt-report-help
  Displays the optimizer phases available for report generation.
• opt-report-phase, Qopt-report-phase
  Specifies an optimizer phase to use when optimization reports are generated.
• opt-report-routine, Qopt-report-routine
  Tells the compiler to generate reports on the routines containing specified text.
• opt-streaming-stores, Qopt-streaming-stores
  Enables generation of streaming stores for optimization.
• opt-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.
• Qoption
  Passes options to a specified tool.
• qp
  This is an alternate name for option -p.
• Qpar-adjust-stack
  Tells the compiler to generate code to adjust the stack size for a fiber-based main thread.
• par-affinity, Qpar-affinity
  Specifies thread affinity.
• par-num-threads, Qpar-num-threads
  Specifies the number of threads to use in a parallel region.
• par-report, Qpar-report
  Controls the diagnostic information reported by the auto-parallelizer.
• 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 or a tuning method for loop iterations.
• par-threshold, Qpar-threshold
  Sets a threshold for the auto-parallelization of loops.
• 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-parallelization code is generated.
• Qpatchable-addresses
  Tells the compiler to generate code such that references to statically assigned addresses can be patched.
• pc, Qpc
  Enables control of floating-point significand precision.
• Qpchi
  Enable precompiled header coexistence to reduce build time.
• mp1, Qprec
  Improves floating-point precision and consistency.
• prec-div, Qprec-div
  Improves precision of floating-point divides.
• prec-sqrt, Qprec-sqrt
  Improves precision of square root implementations.
• 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-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-genx, Qprof-genx
  This is a deprecated, alternate option name for option -prof-gen=srcpos or option /Qprof-gen:srcpos.
• prof-hotness-threshold, Qprof-hotness-threshold
  Lets you set the hotness threshold for function grouping and function ordering.
• 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.
• 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.
• rcd, Qrcd
  Enables fast float-to-integer conversions.
• regcall, Qregcall
  Tells the compiler that the __regcall calling convention should be used for functions that do not directly specify a calling convention.
• restrict, Qrestrict
  Determines whether pointer disambiguation is enabled with the restrict qualifier.
• Qsafeseh
  Registers exception handlers for safe exception handling.
• save-temps, Qsave-temps
  Tells the compiler to save intermediate files created during compilation.
• scalar-rep, Qscalar-rep
  Enables scalar replacement performed during loop transformation.
• Qsfalign
  Specifies stack alignment for functions.
• simd, Qsimd
  Enables or disables the SIMD vectorization feature of the compiler.
• sox, Qsox
  Tells the compiler to save the compilation options and version number in the Linux* OS executable or the Windows* OS object file.
• std, Qstd
  Tells the compiler to conform to a specific language standard.
• tbb, Qtbb
  Tells the compiler to link to the Intel® Threading Building Blocks (Intel® TBB) libraries.
• tcheck, Qtcheck
  Enables analysis of threaded applications.
• 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.
• ftemplate-depth, Qtemplate-depth
  Control the depth in which recursive templates are expanded.
• tprofile, Qtprofile
  Generates instrumentation to analyze multi-threading performance. This is a deprecated option.
• ftrapuv, Qtrapuv
  Initializes stack local variables to an unusual value to aid error detection.
• 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.
• use-intel-optimized-headers, Quse-intel-optimized-headers
  Determines whether the performance headers directory is added to the include path search list.
• Quse-msasm-symbols
  Tells the compiler to use a dollar sign ("$") when producing symbol names.
• V (Linux* OS and Mac OS* X)
  Displays the compiler version information.
• Qvc
  Specifies compatibility with Microsoft* Visual C++ or Microsoft* Visual Studio.
• vec, Qvec
  Enables or disables vectorization.
• vec-guard-write, Qvec-guard-write
  Tells the compiler to perform a conditional check in a vectorized loop.
• vec-report, Qvec-report
  Controls the diagnostic information reported by the vectorizer.
• vec-threshold, Qvec-threshold
  Sets a threshold for the vectorization of loops.
• wd, Qwd
  Disables a soft diagnostic. This is a deprecated option.
• we, Qwe
  Changes a soft diagnostic to an error. This is a deprecated option.
• wn, Qwn
  Controls the number of errors displayed before compilation stops. This is a deprecated option.
• wo, Qwo
  Tells the compiler to issue one or more diagnostic messages only once. This is a deprecated option.
• wr, Qwr
  Changes a soft diagnostic to an remark. This is a deprecated option.
• ww, Qww
  Changes a soft diagnostic to an warning. This is a deprecated option.
• x, Qx
  Tells the compiler to generate optimized code specialized for the Intel processor that executes your program.
• xHost, QxHost
  Tells the compiler to generate instructions for the highest instruction set available on the compilation host processor.
• fzero-initialized-in-bss , Qzero-initialized-in-bss
  Determines whether the compiler places in the DATA section any variables explicitly initialized with zeros.

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