A multiport register file includes a first file unit having registers of a first width and a second file unite having registers of a second width. The second width being less than the first width. The first file unit accommodates data destined to be operands for functional units of a VLI
Custom operations are useable in processor systems for performing functions including multimedia functions. These custom operations enhance a system, such as PC system, to provide real-time multimedia capabilities while maintaining advantages of a special-purpose, embedded solution, i.e.
