_alpha_iobase_query | |--- _alpha_iobase_legacy | |--- _alpha_iobase | |--- _alpha_{out,in}{b,w,l} | |--- _dense_{out,in}{b,w,l} I don't have any hardware capable of testing sparse support, but it's either already broken (so killing this code won't hurt anything) or it's working (so killing this unused code won't hurt anything). So... Matt