For applications like MPEG video processing, video games, and AC-3 audio processing, multimedia systems must meet stringent performance specifications and have low cost and high programmability. Dedicated LSI chips and conventional processors with multimedia enhanced instructions have had some success but stilllackeitherinflexibility or in performance [l, 21.Anattractive approach for the multimedia system is to use a basic dual-issue RISC architecture. This approach has the advantage ofbeing easy to program for multimedia applications.
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