The MiPs Instruction Formats o Al MIPS instructions are 32 bits long the three instruction formats 21 16 R-type rs shamt funct 6 bits 5 bits 5 bits 5 bits 5 bits 6 bits 26 21 16 I-type rs immediate 6 bits 5 bits 5 bits 16 bits J-type 31 26 target address 6 bits 26 bits o The different fields are op: operation of the instruction rs,rt, rd: the source and destination register specifiers shamt: shift amount funct: selects the variant of the operation in the"op" field address / immediate: address offset or immediate value target address: target address of the jump instruction 日209 Chapter4A.6 CSE SJTU, 2017EI209 Chapter 4A.6 CSE, SJTU, 2017 The MIPS Instruction Formats ❑ All MIPS instructions are 32 bits long. The three instruction formats: R-type I-type J-type ❑ The different fields are: op: operation of the instruction rs, rt, rd: the source and destination register specifiers shamt: shift amount funct: selects the variant of the operation in the “op” field address / immediate: address offset or immediate value target address: target address of the jump instruction op target address 31 26 0 6 bits 26 bits op rs rt rd shamt funct 31 26 21 16 11 6 0 6 bits 5 bits 5 bits 5 bits 5 bits 6 bits op rs rt immediate 31 26 21 16 0 6 bits 5 bits 5 bits 16 bits