Alibaba Group Holding Limited
SYSTEM, DEVICE, AND METHOD FOR OBTAINING INSTRUCTIONS FROM A VARIABLE-LENGTH INSTRUCTION SET

Abstract:

An instruction processing device and an instruction processing method are disclosed. The instruction processing device includes: an instruction boundary prediction unit including circuitry configured to acquire an instruction packet of a variable-length instruction set and to add instruction prediction information to a plurality of instruction meta-fields in the instruction packet; and an instruction pipeline structure comprising an instruction fetch unit including an instruction boundary determination unit including circuitry configured to determine instruction boundary information according to the instruction prediction information to obtain one or more instructions in the instruction packet.