factor

Author	SHA1	Message	Date
Joe Groff	212d012cb1	vm: switch atomic::add to atomic::fetch_add Win32 only provides fetch-and-add, not add-and-fetch, and we don't really care. Rename the functions so the order of operations is clear.	2011-11-07 17:58:53 -08:00
Joe Groff	4d39e59054	vm: add atomic::load and atomic::store functions Abstract out the fence-and-load and store-and-fence patterns	2011-11-02 13:23:19 -07:00
Joe Groff	799053661e	vm: better organize atomics and sample counter	2011-11-02 13:23:15 -07:00