Hi, To John, thanks for the quick response. [snipped] > For the simple case you described, I'm sure the code defined in file2.cpp is > NOT inlined into code defined in file1.cpp That's bad. I guess, I will have to copy paste the file2.cpp into file1.cpp. > >> Under any circumstances, it would be unacceptable for me to have an >> inline function silently expanded to a "true" function. >> > > I'm not sure what you mean. (see my guess below). I meant unacceptable performance wise. I spent a lot of time chasing it and I sure as hell don't want it to be lost, worst of all, silently. > I'm pretty sure the "inline" keyword is just a suggestion to the compiler, > not a command. It will silently compile the function non inline whenever it > feels like it. I think so too. If that is the case, then the docs should say so as well. ATM, they say specifically, inline functions are as fast as macro. At the very least, it should tell us if some function was not inlined as part of compilation report. > > There are some stronger forms of syntax to tell the compiler whether or not > to inline a function. I'm constantly frustrated by the fact that every one > of those is just a suggestion to the Intel compiler and none are even a > strong suggestion. No syntax you can put on an individual function > declaration or definition will strongly influence its decision to inline it > or not. It just does what it thinks is best. Regarding inlining, that is > rarely good. I don't think gcc is quite that lame about ignoring what the > programmer specifies. But I don't know the details. I don't know if there > is a way to get the behavior I think you mean: > > A) Inline this function if there is any way at all to do so. > B) Fail to finish the compile/link if there is no way to inline this > function. In case you can't/don't inline it, please just tell me so. Just like it reports if a loop has been vectorized. That would be enough for now. -- Rohit Garg http://rpg-314.blogspot.com/ Senior Undergraduate Department of Physics Indian Institute of Technology Bombay
