Do you have any single chip DSP solution that includes following features
Either Fixed or floating point solution is fine.
We have SHARC family of processors which is Floating point and Blackfin family of processors which is Fixed point, but they do no have in-built features as you mentioned above.
We would suggest you taking a look at our SHARC and Blackfin processor selection table given below.
SHARC Processors | Analog Devices
Blackfin Processors | Analog Devices