Does anyone know how to do this? Please explain in details

[whoovian11]

What does the RTL expression [100]<-[50]+2 mean?
What does the RTL expression [100]<-[50 + 2] + 2 mean?

[giblit]

I don't think this is really a "Beginner c++ topic" but, this may help you https://gcc.gnu.org/onlinedocs/gccint/RTL.html