Antony T Curtis <atcur...@mac.com> writes: > I think the 80486 introduced the cmp8xchg instruction.
It appears you are right. Oleg, it seems that MySQL 5.5 already implements a 64-bit atomic add for 32-bit x86 platforms. Check include/atomic/x86-gcc.h , it uses the cmpxchg8b instruction. - Kristian. _______________________________________________ Mailing list: https://launchpad.net/~maria-discuss Post to : maria-discuss@lists.launchpad.net Unsubscribe : https://launchpad.net/~maria-discuss More help : https://help.launchpad.net/ListHelp