【ebsd 流水线段寄存器 ·隔离流水段，暂存中间结果 FAD ID/EX EXMEM MEMWB Add Sum Sh准 Address Read register 1 Read data 1 Read Zero Instruction ALU Read ALU Read memory Address data 1 Write dat2 register o Data Write memory data Write data 图4-33 32 Gen 段寄存器内容及位数？
流水线段寄存器 • 隔离流水段，暂存中间结果 图4-33 段寄存器内容及位数？
load指令的取指阶段 Id 图4-34 Instruction fetch IFAD ID/EX EX/MEM MEM/B Add Sum Shift left 1 PC Address Read register 1 Read data 1 Read Zero Instruction ALU Registers Read ALU Read memory result Address Write d归ta data 2 register o u Data memory dat的 0 Write dat归 32 im Gen 1d$s1,100($s2) I-type immediate[11:0] rs1 funct3 rd opcode 13
llxx@ustc.edu.cn 13 load指令的取指阶段 ld $s1,100($s2) 图4-34