Re: Optimizing empty functions in C

"Andrzej Wasowski" <wasowski@data.pl> wrote in message
> > The only way to figure out what works best is to write some test code
> > and try it on potential target compilers.


> Thanks for the reply. The problem is I target embedded systems
> compilers mostly. This also means that I have no way to try this out
> and I am asking for common experience here.


The answer remains the same. It's mostly the processor. On some
processors, calls are cheap. On others, calls are expensive. If I
were generating code that could be targetted at any processor, I'd put
in the if (flag) because at best it is a big win, and at worst it is a
small loss.
--
Scott Nicol
snicol@apk.net

Return to the comp.compilers page.
Search the comp.compilers archives again.