Pipelined processor with simultaneous instruction execution

Abstract From the Canadian patent

An information processing apparatus includes a data control circuit, an information holding register and a selector. The data control circuit has control information corresponding to instructions which can be simultaneously executed, and performs control even if a, result of a preceding instruction is not stored in a general register, so as to execute a subsequent instruction to update the same general register. The information holding register holds data determination information based on an instruction preceding a branch instruction immediately before the branch instruction is executed. The selector replaces data determination information, for an instruction which is not executed upon a …