Analog Devices ADSP-BF53x Blackfin Reference page 690

Instruction Overview
Instruction Overview
This chapter discusses the instructions that control vector operations.
Users can take advantage of these instructions to perform simultaneous
operations on multiple 16-bit values, including add, subtract, multiply,
shift, negate, pack, and search. Compare-Select and Add-On-Sign are also
included in this chapter.
19-2 ADSP-BF53x/BF56x Blackfin Processor Programming Reference