http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52558
--- Comment #10 from Aldy Hernandez <aldyh at redhat dot com> 2012-03-12 15:56:30 UTC --- On 03/12/12 10:45, rguenther at suse dot de wrote: >> Just to get this straight, am I to assume that the default code >> generation for GCC is a single threaded environment? I just want to >> make sure I get these variants right in my head, and can properly >> separate what is and is not allowed in default GCC, and what only >> pertains to the C11 memory model (or transactional stuff). > > It certainly is, though we are getting more careful about this stuff > in recent years and generally only read data-races are ok. > > Richard. > Ah, ok. Now it's clear. I was confused because in a previous thread months ago you had mentioned that read data-races were ok, but write data-races were not, whereas here we are even allowing write data races. Understood. Thanks.
