> On Fri, Feb 21, 2014 at 10:02 AM, Andrew Haley <aph@xxxxxxxxxx> wrote: >> It's hard for me to give a 100% answer to that one, but GCC has an >> idea what memory is reachable from every pointer. So, this won't >> clobber memory that's unreachable or has a different type from that >> pointer. It probably doesn't matter. >> Doing "=m" (*a) in the output operand worked! And so did "memory" to the clobber list. Thanks!
