Low power architecture features and techniques are provided in a scalable
array indirect VLIW processor. These features and techniques include
power control of a reconfigurable register file, conditional power
control of multi-cycle operations and indirect VLIW utilization, and
power control of VLIW-based vector processing using the ManArray register
file indexing mechanism. These techniques are applicable to all
processing elements (PEs) and the array controller sequence processor
(SP) to provide substantial power savings.