Bryan Christ wrote: > Is there some way to tell gcc to behave in a way that would be > analogous to constant folding when dealing with strlen() calls where > the target is const char* type? If there is a macro or different > directive that would accomplish the same, that would be okay for my > purposes. Works for me: int poo(void) { return strlen("test"); } poo: movl $4, %eax ret Andrew.