Re: [RFC] alpha/ev6: model 1-cycle cross-cluster delay

2011-05-26 Thread Richard Henderson
On 05/24/2011 08:52 PM, Matt Turner wrote: > Alpha EV6 and newer can execute four instructions per cycle if correctly > scheduled. The architecture has two clusters {0, 1}, each with its own > register file. In each cluster, there are two slots {upper, lower}. Some > instructions only execute from

[RFC] alpha/ev6: model 1-cycle cross-cluster delay

2011-05-24 Thread Matt Turner
Alpha EV6 and newer can execute four instructions per cycle if correctly scheduled. The architecture has two clusters {0, 1}, each with its own register file. In each cluster, there are two slots {upper, lower}. Some instructions only execute from either upper or lower slots. Register values produ