Interactions

If a function specified in the list is not declared as extern "C", the function name should be mangled. You can use the nm command on the executable file to find the mangled function names. For functions declared as extern "C", the names are not mangled by the compiler.

The -xinline option has no effect for optimization levels below -xO3. At -xO4, the optimizer decides which functions should be inlined, and does so without the -xinline option being specified. At -xO4, the compiler also attempts to determine which functions will improve performance if they are inlined. If you force inlining of a function with -xinline, you might actually diminish performance.