On Wed, 29 Feb 2012, Michael Matz wrote: > Hi, > > On Wed, 29 Feb 2012, Richard Guenther wrote: > > > the whole base object - instead I mark the base MEM_REF of such accesses > > with TREE_NO_WARNING (ugh) and special-case for them in dr_may_alias_p. > > At least use a flag that isn't currently used for MEM_REF. E.g. > addressable_flag, and make a new macro that checks for the tree being a > MEMREF to access it.
Ok, I'll use TREE_VISITED. The alternative is to increase the size of struct indices (and thus all data-refs) and have a separate flag. Richard.
