Please *don't* use O9. (I'm a gcc dev)
GCC's highest supported level of optimization is O3. We only make it not error out to avoid gentoo users whining. It does nothing. There is also good chance in the future that O4 or O5 may start doing link time optimization (which would require a different link command to work properly) or possibly break standards conforming code in order to get better performance (integer overflow guarantees, etc). Using O9 just means you are going to cause yourself pain, but it will not help anything. http://codereview.chromium.org/4298 --~--~---------~--~----~------------~-------~--~----~ v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev -~----------~----~----~----~------~----~------~--~---
