On 7/29/05, Antti-Juhani Kaijanaho <[EMAIL PROTECTED]> wrote: > On 20050729T163333+0200, Olaf van der Spek wrote: > > On 7/29/05, Goswin von Brederlow <[EMAIL PROTECTED]> wrote: > > > Florian Weimer <[EMAIL PROTECTED]> writes: > > > Doesn't that still make N a real variable in memory and does not get > > > optimized away like enums? > > > > I think it's (only) required to have an address. > > I don't see why the compiler can't optimize it away (if it's const). > > Only if the compiler knows all uses of that constant. With dynamic > linking, you can't know that very easily.
I thought you meant optimizing code that accesses it for performance. I don't think the space optimization is important.