Thread: What is more efficient?

Originally Posted by matsp

Agressive use of inlining can lead to increased code-size, yes. Letting the compiler inline when it feels it's right will probably not do this too bad. The -Os switch will only inline a function if the resulting code is smaller than the code with outlined functions - so only real tiny functions.

Or if the function is nonrecursive and only called in one place. This can happen if parts of the code of a large function are moved out into "helper functions" solely to make it easier to understand and maintain.