http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46096
--- Comment #9 from Danilo <zweifel at gmail dot com> 2010-10-20 14:43:18 UTC --- (In reply to comment #7) > > Using a mutex around the reads and writes of shared data will make it work > > as > > expected, the compiler won't optimise away the read and will re-read the > > value > > every time. > > This is overkill here though, you just need: > > volatile alpha *alpha1 = ( alpha * )data; This solved it! Did not know about volatile variables. I was trying to avoid exactly the use of mutexes and the like. Thank you very much!
