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This paper describes SysteMorph, a feedback directed dynamic, online and adaptive hardware/instruction set architecture (ISA)/software co-optimization technology. The technology enables to optimize performance, power, and consumption energy for a system dynamically. We describe SysteMorph's elemental technologies those are an online profiling, a dynamic adaptive optimization and a smart hardware. Functionality Morphing is one of the SysteMorph implementations for a system which consists of processor and reconfigurable logic. It reconfigures hardware dynamically then rewrites software to utilize the reconfigured hardware online. We demonstrated the SysteMorph on a reconfigurable processor by implementing Functionality Morphing. Online profiling, online synthesis, and binary rewriting are implemented and verified on the prototypal system. Then we propose a processor suitable implementing SysteMorph using a VLIW execution unit.