Linux* | Windows* | Description | Default |
---|---|---|---|
-0f | -QI0f | Enable/disable the patch for the PentiumŪ 0f erratum. | OFF |
-A[-] | -QA[-] | Remove all predefined macros. | OFF |
-Aname[(val)] | -QAname[(val)] |
Create an assertion name having value val. |
OFF |
-ansi[-] | -Qansi[-] | Enable/disable assumption of ANSI conformance. | ON |
-ax{i|K|M|W} | -Qax{i|K|M|W} | Generate code specialized for processor extensions specified by codes
(i,K,M,W) while also generating generic IA-32
code. i = Pentium Pro and Pentium II processor
instructions K = Steaming SIMD extensions M = MMX(TM) W = Streaming SIMD Extensions 2 |
OFF |
-C | -C | Don't strip comments. | OFF |
-c | -c | Compile to object (.o) only, do not link. | OFF |
-Dname[{=|#}{text}] | -Dname[=value] | Define macro. | OFF |
-E | -E | Preprocess to stdout. | OFF |
-fdiv_check | -QIfdiv[-] | Enable the patch for the Pentium FDIV erratum. | OFF |
-fp | -Oy[-] | Disable using EBP as general purpose register (no frame pointer). | OFF |
-g | -Zi | Produce symbolic debug information in object file. | OFF |
-H | -Hn | Print include file order. | OFF |
-help | -help | Print help message listing. | OFF |
-Idirectory | -Idirectory | Add directory to include file search path. | OFF |
-inline_debug_info | -Qinline_debug_info | Preserve the source position of inlined code instead of assigning the call-site source position to inlined code. | OFF |
-ip | -Qip | Enable single-file IP optimizations (within files). | OFF |
-ip_no_inlining | -Qip_no_inlining | Optimize the behavior of IP: disable full and partial inlining (requires -ip or -ipo). | OFF |
-ipo | -Qipo | Enable multi-file IP optimizations (between files). | OFF |
-ipo_obj | -Qipo_obj | Optimize the behavior of IP: force generation of real object files (requires -ipo). | OFF |
-Knovtab | -vd{0|1} | Suppress definition of vftables for classes without non-inline vfns. |
OFF |
-KPIC | NA | Generate position independent code (same as -Kpic). |
OFF |
-Kpic | NA | Generate position independent code (same as -KPIC). |
OFF |
-long_double | -Qlong_double | Enable 80-bit long double. |
OFF |
-m | NA | Instruct linker to produce map file. |
OFF |
-M | -QM | Generate makefile dependency information. |
OFF |
-mp | -Op[-] | Maintain floating-point precision (disables some optimizations). |
OFF |
-mp1 | -Qprec | Improve floating-point precision (speed impact is less than -mp). |
OFF |
-nobss_init | NA | Disable placement of zero-initialized variables in BSS (use DATA). |
OFF |
-nolib_inline | -Oi[-] | Disable inline expansion of intrinsic functions. |
OFF |
-O | -O2 | Same as -O1. |
OFF |
-ofile | -ofile | Name output file. |
OFF |
-O0 | -Od | Disable optimizations. |
OFF |
-O1 | -O1 | Optimizes for size. |
OFF |
-O2 | -O2 | Same as -O1. |
ON |
-P | -EP | Preprocess to file. |
OFF |
-pc32 | -Qpc 32 | Set internal FPU precision to 24-bit significand. |
OFF |
-pc64 | -Qpc 64 | Set internal FPU precision to 53-bit significand. |
ON |
-pc80 | -Qpc 80 | Set internal FPU precision to 64-bit significand. |
OFF |
-prec_div | -Qprec_div | Improve precision of floating-point divides (some speed impact). |
OFF |
-prof_dir directory | -Qprof_dir directory | Specify directory for profiling output files (*.dyn and *.dpi). |
OFF |
-prof_file filename | NA | Specify filename for profiling summary file. |
OFF |
-prof_gen[x] | -Qprof_genx | Instrument program for profiling; with the x qualifier, extra information is gathered. |
OFF |
-prof_use | -Qprof_use | Enable use of profiling information during optimization. |
OFF |
-Qinstall dir | NA | Set dir as root of compiler installation. |
OFF |
-Qlocation,str,dir | -Qlocation, tool, path | Set dir as the location of tool specified by str. |
OFF |
-Qoption,str,opts | -Qoption, tool, list | Pass options opts to tool specified by str. |
OFF |
-qp, -p | NA | Compile and link for function profiling with UNIX gprof tool. |
OFF |
-r | -w2 | Enable remarks, warnings and errors. |
OFF |
-rcd | -Qrcd | Enable fast floating-point-to-integer conversions. |
OFF |
-restrict | -Qrestrict | Enable the restrict keyword for disambiguating pointers. |
OFF |
-S | -S | Compile to assembly (.s) only, do not link (*I). |
OFF |
-sox[-] | -Qsox | Enable (default)/disable saving of compiler options and version in the executable. |
ON |
-syntax | -Zs | Perform syntax check only. |
OFF |
-Timplinc | NA | Enable implicit inclusion of source files for finding template definitions. |
OFF |
-Tlocal | NA | Instantiate template functions used in this compilation and make local. |
OFF |
-Tnoauto | NA | Disable automatic instantiation of templates. |
OFF |
-tpp5 | -G5 | Optimize for Pentium processor. |
OFF |
-tpp6 | -G6 | Optimize for Pentium Pro, Pentium II and Pentium III processors. |
OFF |
-Tused | NA | Instantiate template functions used in this compilation. |
OFF |
-Uname | -U name | Remove predefined macro. |
OFF |
-unroll[n] | -Qunrolln | Set maximum number of times to unroll loops. Omit n to use default heuristics. Use n=0 to disable loop unroller. |
OFF |
-V | -V text | Display compiler version information. |
OFF |
-w | -w | Display errors. | OFF |
-wn | -Wn | Control diagnostics. Display errors (n=0). Display warnings and errors (n=1). Display remarks, warnings, and errors (n=2). | OFF |
-wdL1[,L2,...] | -Qwd[tag] | Disable diagnostics L1 through LN. | OFF |
-weL1[,L2,...] | -Qwe[tag] | Change severity of diagnostics L1 through LN to error. | OFF |
-wnn | -Qwn[tag] |
Print a maximum of n errors. |
OFF |
-wrL1[,L2,...] | -Qwr[tag] | Change severity of diagnostics L1 through LN to remark. | OFF |
-wwL1[,L2,...] | -Qww[tag] | Change severity of diagnostics L1 through LN to warning. | OFF |
-X | -X | Remove standard directories from include file search path. | OFF |
-x{i|K|M|W} | -Qx[i|M|K|W] | Generate code specialized for processor extensions specified by codes
(i,K,M,W) while also generating generic IA-32 code. i
= PentiumŪ Pro and Pentium II processor instructions K = Steaming SIMD extensions M = MMX(TM) W = Streaming SIMD Extensions 2. |
OFF |
-Xa | -Ze | Select extended ANSI C dialect. | OFF |
-XA | NA | C++ compilation follows ARM. | OFF |
-XC | NA | C++ compilation follows cfront. | OFF |
-Xc | -Za | Select strict ANSI conformance dialect. | OFF |
-Xk | NA | Select K&R dialect. | OFF |
-XO | NA | C++ compilation follows ARM with anachronisms. | OFF |
-Xt | NA | Select ANSI transition dialect. | OFF |
-XU | NA | C++ compilation follows ARM and cfront with anachronisms. | OFF |
-Zp{1|2|4|8|16} | -Zp[n] |
Specify, in bytes, alignment constraint for structures (n =1,2,4,8,16). Default n =8. This option overrides the default alignment of code. |
OFF |