Parmenides <mobile.parmenides@xxxxxxxxx> writes: >>> 2. "and not optimize stores or loads to that memory" >>> Except caching memory values in registers, is there any other >>> optimizaiton for stores or loads to memory? >> >> Not in this case, I think it's just another way of saying the same >> thing. >> > > I think the reordering instructions involving memory operations but > not stores or loads might count as some optimization. It seems that a > "memory" will prevent gcc from this kind of optimization. If so, would > the manual give some statements about it. I'm sorry, I don't understand what you mean. > In addition, an example will > be more helpful for our newbies who does not have some ideas about the > details underlying gcc. There already is an example. > Or, is there any tutorail about gcc available? I don't know of one, but I wouldn't be surprised. Ian
