On Wed, Apr 21, 2021 at 8:41 PM Xi Ruoyao via Gcc-help <gcc-help@xxxxxxxxxxx> wrote: > > I sincerely don't like to see someone try to "learn" by running some > program containing "i = i++ + i++" and "inspect" the output. Nothing wrong with that! I did almost exactly this in the early nineties on DOS, with 16-bit Borland C++ ;) But now I see what you're getting at. I understand the assembly/machine code as output. But you were probably talking about the result of the calculation.