Specialized Instructions
Examples (not exhaustive):
- ADSP-2116x has specialized instruction for FFT
- One multiplication, and sum and difference of two operands
- TMS320C54x has several specialized instructions
- LMS, symmetrical FIR filter, polynomial evaluation, …
- G4 includes instruction useful for LMS
- Eight multiplications, eight additions, eight roundings with single-cycle throughput
- DSP16xxx has application-specific operations
- Extended-precision multiplication specialized for enhanced full-rate GSM