> > > Furthermore, could I make the following conclusion under GCC and Linux? > > Conclusion: > > > > For the "calling" of the C static functions, it has only two > > possibilities -- either it's been inlined by the compiler optimization > > (i.e. not actually been called by the `call` instruction but been > optimized > > for the reason of speed), Or it would be actually called (with the `call` > > instruction) under the "Function Calling Sequence" constraints which have > > been described in the Sys V ABI specs (same as the calling of those > extern > > C functions). > > No. The compiler may use customized calling convention to maximize the > performance unless this function may be called in other translation units. > Thank you very much, Xi. This information is very useful to me. Because I have never known the existence of such kind optimization before. It is brilliant! Do you mind to provide an example about such optimization -- "customized calling convention about the calling of some static functions" in GCC? Thanks a lot :-)
