> Some targets have -mbranch-cost to allow overriding the default costing. > visium has a branch cost of 10!
Yeah, the GR5 variant is pipelined but has no branch prediction; moreover there is an additional adverse effect coming for the instructions bus... > Several ports have a cost of 6 either unconditionally or when the branch > is not well predicted. 9 for UltraSPARC3, although this should probably be lowered if predictable_p. -- Eric Botcazou
