On Mon, Feb 15, 2016 at 11:51 AM, Nicholas Mc Guire <der.herr@xxxxxxx> wrote: > On Mon, Feb 15, 2016 at 11:37:13AM -0500, Jeffrey Walton wrote: >> Hi Everyone, >> >> As an example: >> >> int a[10]; >> volatile int* b = a; >> >> for(unsigned i=0; i<10; i++) >> *b++ = 0; >> >> When the dereference occurs through b, does it produce a volatile element? >> > as far as I understand volatile this is just telling > the compiler that the assignment here can not be reordered > thats it - Yes, thanks. I was less concerned about the assignment to the pointer. > ... it does not change the propertieis of a[] in any > way if that is what you means with "produce volatile elements" > with other words if you later use say a[4] = c (with c not > being volatile) then the compiler can again reorder / optimize > out things as seen fit. That's what I was interested in. Jeff
