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...nFlag/SDNPOutFlag node properties which allow you to mark an instruction as using or def-ing the CPU flags (respectively). This seems like an effective model, as CPU-flag modification can be seen as a kind of side-effect in many cases. Something which is missing here is that it's not possible (SFAIK) to change/add node properties on existing 'standard' nodes. So for targets whose 'add' instruction modifies the flags, a custom ADD node must be used. One can't use the 'instrinsic' add def-ed in TargetSelectionDAG.td. Ideally it should be possible to use these existin...

...oin table. Will HABTM support this? That is: class Recipe < ActiveRecord::Base has_and_belongs_to_many :recipes, :join_table => "recipes_recipes" end More importantly -- how does RoR support MULTIPLE self-joins? I.e., to relate the table to itself via multiple join tables. SFAIK, HABTM won''t support multiple self-joins because the method names would get confused. Could I create additional controllers for the class, and then use the :class_name option to specify those controllers? SOrt of like so: class Recipe < ActiveRecord::Base set_primary_key &quot...

...9;s not it at all. These model instructions reading / writing MVT::Flag a value. That just mean from the scheduler's point of view the node that produces a MVT::Flag and the user have to be scheduled together. Evan > > Something which is missing here is that it's not possible (SFAIK) to > change/add node properties on existing 'standard' nodes. So for > targets whose 'add' instruction modifies the flags, a custom ADD node > must be used. One can't use the 'instrinsic' add def-ed in > TargetSelectionDAG.td. Ideally it should be possible...