On 2012-07-31 02:09, Richard Guenther wrote: > What do we expect __builtin_compare_exchange to do for > unaligned inputs?
At the moment we expect it to SIGBUS, as a rule. We'd *like* to defer to the library routine for unaligned, but we don't do that yet. Too bad about not being able to query addresses/ssa_names for their alignment; I thought we could do that already. r~
