Deprecated and Removed Compiler Options

This topic lists deprecated and removed compiler options and suggests replacement options, if any are available.

For more information on compiler options, see the detailed descriptions of the individual options. For example, for more information on -ax (Linux* OS and Mac OS* X) or /Qax (Windows* OS), or -x (Linux* OS and Mac OS* X) or /Qx (Windows* OS), see the compiler option description.

Deprecated Options

Occasionally, compiler options are marked as "deprecated." Deprecated options are still supported in the current release, but are planned to be unsupported in future releases.

The following options are deprecated in this release of the compiler:

Linux* OS and Mac OS* X Options	Suggested Replacement
-1	-f66
-automatic	-auto
-axK	None
-axN	Linux* OS: -axSSE2 Mac OS* X: None
-axP	Linux* OS: -axSSE3 Mac OS* X on IA-32 architecture: -axSSE3 Mac OS* X on Intel® 64 architecture: None
-axS	-axSSE4.1
-axT	Linux* OS: -axSSSE3 Mac OS* X on IA-32 architecture: None Mac OS* X on Intel® 64 architecture: -axSSSE3
-axW	-msse2
-cm	-warn nousage
-cpp	-fpp
-diag-<type> sv[<n>]	-diag-<type> sc[<n>]
-diag-enable sv-include	-diag-enable sc-include
-dps	-altparam
-i-dynamic	-shared-intel
-i-static	-static-intel
-inline-debug-info	-debug
-lowercase	-names lowercase
-march=pentiumii	None
-march=pentiumiii	-march=pentium3
-mcpu	-mtune
-mp	-fp-model
-msse	-mia32
-nus	-assume nounderscore
-Ob	-inline-level
-onetrip	-f66
-openmp-link	None
-openmp-profile	None
-openmpP	-openmp
-openmpS	-openmp-stubs
-prof-genx	-prof-gen=srcpos
-tprofile	None
-tune	-x<processor>
-uppercase	-names uppercase
-us	-assume underscore
-use-asm	None
-xK	-mia32
-xN	Linux* OS: -xSSE2 Mac OS* X: None
-xO	-msse3
-xP	Linux* OS: -xSSE3 Mac OS* X on IA-32 architecture: -xSSE3 Mac OS* X on Intel® 64 architecture: None
-xS	-xSSE4.1
-xT	Linux* OS: -xSSSE3 Mac OS* X on IA-32 architecture: None Mac OS* X on Intel® 64 architecture: -xSSSE3
-xW	-msse2

Windows* OS Options	Suggested Replacement
/1	/f66
/arch:SSE	/arch:IA32
/architecture	/arch
/asmattr:none	/FA
/asmattr:machine	/FAc
/asmattr:source	/FAs
/asmattr:all	/FAcs
/asmfile	/Fa
/automatic	/auto
/cm	/warn:nousage
/debug:partial	None
/Fm	/map
/Ge	/Gs0
/ML and/MLd	None
/Op	/fp
-openmp-profile	None
/optimize	/O1, /O2, or /O3
/QaxK	None
/QaxN	/QaxSSE2
/QaxP	/QaxSSE3
/QaxS	/QaxSSE4.1
/QaxT	/QaxSSSE3
/QaxW	/arch:SSE2
/Qcpp	/fpp
/Qdiag-<type> sv[<n>]	/Qdiag-<type> sc[<n>]
/Qdiag-enable:sv-include	/Qdiag-enable:sc-include
/Qdps	/altparam
/Qextend-source	/extend-source
/Qfpp	/fpp
/QIfist	/Qrcd
/Qinline-debug-info	None
/Qlowercase	/names:lowercase
/Qonetrip	/f66
/Qopenmp-link	None
/Qopenmp-profile	None
/Qprof-genx	/Qprof-gen=srcpos
/Qtprofile	None
/Quppercase	/names:uppercase
/Quse-asm	None
/Qvc7.1	None
/Qvms	/vms
/QxK	None
/QxN	/QxSSE2
/QxO	/arch:SSE3
/QxP	/QxSSE3
/QxS	/QxSSE4.1
/QxT	/QxSSSE3
/QxW	/arch:SSE2
/source	/Tf
/tune	/Qx<processor>
/unroll	/Qunroll
/us	/assume:underscore
/Zd	/debug:minimal

Deprecated options are not limited to this list.

Removed Options

Some compiler options are no longer supported and have been removed. If you use one of these options, the compiler issues a warning, ignores the option, and then proceeds with compilation.

This version of the compiler no longer supports the following compiler options:

Linux* OS and Mac OS* X Options	Suggested Replacement
-axB	-axSSE2
-axi	None
-axM	None
-cxxlib-gcc[=dir]	-cxxlib[=dir]
-cxxlib-icc	None
-F	-preprocess-only or -P
-fp	-fno-omit-frame-pointer
-fpstkchk	-fp-stack-check
-func-groups	-prof-func-groups
-fvisibility=internal	-fvisibility=hidden
-IPF-fma	-fma
-IPF-fp-relaxed	-fp-relaxed
-IPF-fp-speculation	-fp-speculation
-ipo-obj (and -ipo_obj)	None
-Kpic, -KPIC	-fpic
-mtune=itanium	None
-mtune=itanium2	None
-mtune=itanium2-p9000	None
-nobss-init	-no-bss-init
-openmp-lib legacy	None
-opt-report-level	-opt-report
-prefetch	-opt-prefetch
-prof-format-32	None
-prof-gen-sampling	None
-qp	-p
-rct	None
-shared-libcxa	-shared-libgcc
-ssp	None
-static-libcxa	-static-libgcc
-syntax	-syntax-only or -fsyntax-only
-tpp1	None
-tpp2	-mtune=itanium2
-tpp5	None
-tpp6	None
-tpp7	-mtune=pentium4
-xB	-xSSE2
-xi	None
-xM	None

Windows* OS Options	Suggested Replacement
/4ccD (and /4ccd)	None
/4Nb	/check:none
/4Yb	/check:all
/G1	None
/G5	None
/G6 (or /GB)	None
/G7	None
/Og	/O1, /O2, or /O3
/QaxB	/QaxSSE2
/Qaxi	None
/QaxM	None
/Qfpstkchk	/Qfp-stack-check
/QIPF-fma	/Qfma
/QIPF-fp-relaxed	/Qfp-relaxed
/QIPF-fp-speculation	/Qfp-speculation
/Qipo-obj (and /Qipo_obj)	None
/Qopenmp-lib:legacy	None
/Qopt-report-level	/Qopt-report
/Qprefetch	/Qopt-prefetch
/Qprof-format-32	None
/Qprof-gen-sampling	None
/Qrct	None
/Qssp	None
/Quse-vcdebug	None
/Qvc6	None
/Qvc7	None
/QxB	/QxSSE2
/Qxi	None
/QxM	None

Removed options are not limited to these lists.

Optimization Notice
Intel® Compiler includes compiler options that optimize for instruction sets that are available in both Intel® and non-Intel microprocessors (for example SIMD instruction sets), but do not optimize equally for non-Intel microprocessors. In addition, certain compiler options for Intel® Compiler are reserved for Intel microprocessors. For a detailed description of these compiler options, including the instruction sets they implicate, please refer to "Intel® Compiler User and Reference Guides > Compiler Options". Many library routines that are part of Intel® Compiler are more highly optimized for Intel microprocessors than for other microprocessors. While the compilers and libraries in Intel® Compiler offer optimizations for both Intel and Intel-compatible microprocessors, depending on the options you select, your code and other factors, you likely will get extra performance on Intel microprocessors. While the paragraph above describes the basic optimization approach for Intel® Compiler, with respect to Intel's compilers and associated libraries as a whole, Intel® Compiler may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. These optimizations include Intel® Streaming SIMD Extensions 2 (Intel® SSE2), Intel® Streaming SIMD Extensions 3 (Intel® SSE3), and Supplemental Streaming SIMD Extensions 3 (Intel® SSSE3) instruction sets and other optimizations. Intel does not guarantee the availability, functionality, or effectiveness of any optimization on microprocessors not manufactured by Intel. Microprocessor-dependent optimizations in this product are intended for use with Intel microprocessors. Intel recommends that you evaluate other compilers to determine which best meet your requirements.

Optimization Notice

Intel® Compiler includes compiler options that optimize for instruction sets that are available in both Intel® and non-Intel microprocessors (for example SIMD instruction sets), but do not optimize equally for non-Intel microprocessors. In addition, certain compiler options for Intel® Compiler are reserved for Intel microprocessors. For a detailed description of these compiler options, including the instruction sets they implicate, please refer to "Intel® Compiler User and Reference Guides > Compiler Options". Many library routines that are part of Intel® Compiler are more highly optimized for Intel microprocessors than for other microprocessors. While the compilers and libraries in Intel® Compiler offer optimizations for both Intel and Intel-compatible microprocessors, depending on the options you select, your code and other factors, you likely will get extra performance on Intel microprocessors.

While the paragraph above describes the basic optimization approach for Intel® Compiler, with respect to Intel's compilers and associated libraries as a whole, Intel® Compiler may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. These optimizations include Intel® Streaming SIMD Extensions 2 (Intel® SSE2), Intel® Streaming SIMD Extensions 3 (Intel® SSE3), and Supplemental Streaming SIMD Extensions 3 (Intel® SSSE3) instruction sets and other optimizations. Intel does not guarantee the availability, functionality, or effectiveness of any optimization on microprocessors not manufactured by Intel. Microprocessor-dependent optimizations in this product are intended for use with Intel microprocessors.

Intel recommends that you evaluate other compilers to determine which best meet your requirements.