The options listed in the following tables are supported under the corresponding Option Category.
| Option Category |
Use | Option Name |
|---|---|---|
| General | Show startup banner | -V |
| Include debug information | -g | |
| Optimization level | -O0 (default for Debug Config.) | |
| -O1 | ||
| -O2
(default for Release Config.) | ||
| -O3 | ||
| Warning level | -w0 | |
| -w1 (default) | ||
| -w2 | ||
| Optimization | Provide frame pointers | -fp |
| Ensable prefetch insertion | -prefetch | |
| Enable interprocedural optimization for single file compilation | -ip | |
| Disable intrinsic inline expansion | -nolib_inline | |
| Inline function expansion | -Ob0 | |
| -Ob1 | ||
| -Ob2 | ||
| Optimize for Intel® processor | -tpp5 | |
| -tpp6 | ||
| -tpp7 (default) | ||
| Parallelization | -parallel | |
| Precompiled Headers |
Automatic Processing for Precompiled Headers | -pch |
| Preprocessor | gcc compatibility options | -cxxlib-icc |
| -cxxlib-gcc | ||
| -fabi-version | ||
| -gcc-version | ||
| Additional include directories | -I | |
| Ignore standard include path | -X | |
| Preprocessor definitions | -D | |
| Do not predefine _GNUC_, _GNUC_MINOR_, _GNUC_PATCHLEVEL_ macros | -no-gcc | |
| Undefine preprocessor definitions | -U | |
| Undefine all preprocessor definitions | -A- | |
| Language | Enable use of ANSI aliasing rules in optimizations | -ansi_alias |
| Disable C99 support | -c99- | |
| Recognize the restrict keyword | -restrict | |
| Process OpenMP* directives | -openmp | |
| -openmp_stubs | ||
| Compilation Diagnostics |
Treat warnings as errors | -Werror |
| Allow usage messages | -Wcheck | |
| Enable equivalent of GNU* ANSI | -ansi | |
| Strict ANSI conformance dialect | -strict_ansi | |
| OpenMP report | -openmp_report0 | |
| -openmp_report1 | ||
| -openmp_report2 | ||
| Auto-parallelizer report | -par_report0 | |
| -par_report1 | ||
| -par_report2 | ||
| -par_report3 | ||
| Vectorizer report | -vec_report0 | |
| -vec_report1 | ||
| -vec_report2 | ||
| -vec_report3 | ||
| -vec_report4 | ||
| -vec_report5 | ||
| Data | Enable argument aliasing | -alias_args |
| Assume no aliasing in program | -fno-alias | |
| Allow gprel addressing of common data variables | -fno-common | |
| Allocate as many bytes as needed for enumerated types | -fshort-enums | |
| Change default bitfield type to unsigned | -funsigned-bitfields | |
| Change default char type to unsigned | -funsigned-char | |
| Store string literals in a writable section | -fwritable-strings | |
| Disable placement of zero-initialized variables in .bss - use .data | -nobss_init | |
| Default symbol visibility | -fvisibility=extern | |
| -fvisibility=default | ||
| -fvisibility=protected | ||
| -fvisibility=hidden | ||
| -fvisibility=internal | ||
| Structure member alignment | -Zp1 | |
| -Zp2 | ||
| -Zp4 | ||
| -Zp8 | ||
| -Zp16 (default) | ||
| Floating Point | Improve floating-point consistency | -mp |
| Round floating-point results | -fp_port | |
| Limit Complex range | -complex_limited_range | |
| Check floating-point stack | -fpstkchk | |
| Output Files | Generate assembler source file | -S |
| Code Generation |
Generate position-independent code | -fpic |
|
Use Intel® processor extensions |
||
| -axN | ||
| -axB | ||
| -axP | ||
| Require Intel® processor extensions | -xK | |
| -xN | ||
| -xB | ||
| -xP | ||
| Generate traceback information | -traceback |
| Libraries | Enable interprocedural optimization for single file compilation | -ip |
| Link with static libraries | -static | |
| Link Intel® libcxa C++ library statically | -static-libcxa | |
| Link with dynamic libraries | -i_dynamic | |
| Use no C++ libraries | -no_cpprt | |
| Use no system libraries | -nodefaultlibs | |
| gcc compatibility options | -cxxlib-icc | |
| -cxxlib-gcc | ||
| -fabi-version | ||
| -gcc-version | ||
| Process OpenMP directives | -openmp | |
| -openmp_stubs | ||
| Additional libraries | -l | |
| Search directory for libraries | -L | |
| Archiver options | -r |