PROCESSOR WITH REGISTER STACK ENGINE THAT DYNAMICALLY SPILLS/FILLS PHYSICAL REGISTERS TO BACKING STORE

摘要

A processor for executing a code sequence that includes multiple function calls comprising a register file having a predetermined size and a means for allocating sets of registers on a per-function call basis. A reserve storage area is included and a means for saving a particular set of registers in the reserve storage area responsive to a function call that would overflow the predetermined size of the register file.