XOR ,SUBU ,SLLV ,LUI ,SLTIU指令的控制信号及其指令结果
时间: 2023-09-19 07:08:12 浏览: 101
下面是各个指令的控制信号及其指令结果:
1. XOR指令控制信号:
- ALUOp1 = 0
- ALUOp0 = 0
- ALUSrc = 0
- RegWrite = 1
- RegDst = 1
- MemWrite = 0
- MemRead = 0
- Branch = 0
- Jump = 0
XOR指令的结果是将寄存器rs和rt的值进行异或运算,并将结果存储到寄存器rd中。
2. SUBU指令控制信号:
- ALUOp1 = 0
- ALUOp0 = 1
- ALUSrc = 0
- RegWrite = 1
- RegDst = 1
- MemWrite = 0
- MemRead = 0
- Branch = 0
- Jump = 0
SUBU指令的结果是将寄存器rs和rt的值进行无符号减法运算,并将结果存储到寄存器rd中。
3. SLLV指令控制信号:
- ALUOp1 = 0
- ALUOp0 = 0
- ALUSrc = 1
- RegWrite = 1
- RegDst = 1
- MemWrite = 0
- MemRead = 0
- Branch = 0
- Jump = 0
SLLV指令的结果是将寄存器rt的值左移rs位,并将结果存储到寄存器rd中。
4. LUI指令控制信号:
- ALUOp1 = 1
- ALUOp0 = 1
- ALUSrc = 1
- RegWrite = 1
- RegDst = 0
- MemWrite = 0
- MemRead = 0
- Branch = 0
- Jump = 0
LUI指令的结果是将立即数左移16位,并将结果存储到寄存器rt的高16位中。
5. SLTIU指令控制信号:
- ALUOp1 = 0
- ALUOp0 = 1
- ALUSrc = 0
- RegWrite = 1
- RegDst = 0
- MemWrite = 0
- MemRead = 0
- Branch = 0
- Jump = 0
SLTIU指令的结果是将rs寄存器的值与无符号立即数比较,如果rs寄存器的值小于无符号立即数,则将1存储到寄存器rt中,否则将0存储到寄存器rt中。