> --- En date de : Mer 4.3.09, John Fine <johnsfine@xxxxxxxxxxx> > a écrit : > > > > I have no idea how deep into affich the compiler can > look > > (for changes to c). I expect/hope it looks as > deep as > > it inlines. > > > > But those operator<<() calls in affich go much > deeper > > than you might be thinking through. I expect > the > > compiler should not and does not inline that deep, nor > check > > for changes to c that deep. > > if I change affich() code (I put as an example an > incrementation of other variable named a) the compiler > consider c as aconstant (he optimize well and remove all > switch cases in inc function). > > so the problem come from the <<() calls in affich (as > you expected). > Is the compiler is lost when he find << calls ? > (cause a lot of code is generated to affich a string ) so > that he consider after affich that c is not constant > although affich did not define c ?? cause if he look even as > deep as possible (for c changes) he will not find any > defition or use of c. > > thank you for your help. > > > >
