Brian Dessent wrote: > Jonathan Kinsey wrote: > >> This is a problem that I've seen in the archives and is marked as not >> being a problem with gcc. I'm not sure what the solution is though, the >> simple test below runs fine using the Microsoft compiler (on windows) >> and fails using gcc (3.4.5) compiler. There is no pthreads or glib code >> here. >> >> The output shows that the second call to f(), in the thread, has a >> misaligned s variable (which will crash in a SSE call). > > You should be using _beginthreadex() instead, which ensures that the > stack is 16 byte aligned. <http://mingw.org/MinGWiki/index.php/threads> Hi Brian, Thanks for the link, unfortunately it doesn't work _beginthread just calls _beginthreadex - unless there is a alignment argument I didn't see (I tried it anyway and no luck). If you read the end of the post at the link it says that it doesn't fix a SSE problem that someone was having - at least I'm not on my own... Jon
