Specifies the level of inline function expansion.
Windows: C/C++ > General > Inline Function Expansion
Linux: Optimization > Inline Function Expansion
Mac OS: Optimization > Inline Function Expansion Only INLINE directive
IA-32, IntelŪ EM64T, IntelŪ ItaniumŪ architecture
| Linux and Mac OS: | -Obn |
| Windows: | /Obn |
| n | Is the inline function expansion level. Possible values are 0, 1, and 2. |
| Ob2 | If option O2 is specified or is in effect by default. |
| Ob0 | If option -O0 (Linux and Mac OS) or /Od (Windows) is specified |
This option specifies the level of inline function expansion. Inlining procedures can greatly improve the run-time performance of certain programs.
| Option | Description |
|---|---|
| Ob0 | Disables inlining of user-defined functions. Note that statement functions are always inlined. |
| Ob1 | Enables inlining when an inline keyword or an inline attribute is specified. Also enables inlining according to the C++ language. |
| Ob2 | Enables inlining of any function at the compiler's discretion. |
None