MIPS has what's called an Application Specific Extension (ASE) basis for extending a given MIPS core for particular areas.
The MIPS DSP ASE extends the base instruction set with certain instructions applicable to various codecs of the day that the ASE was defined for. It's essentially extending a general purpose cpu to efficiently perform DSP like tasks.
The MIPS DSP ASE extends the base instruction set with certain instructions applicable to various codecs of the day that the ASE was defined for. It's essentially extending a general purpose cpu to efficiently perform DSP like tasks.