Recap:ISA的演进 Accumulator a Register-Memory Register-Register Processor Processor Processor Processor TOP ALU 9ALU ALU ALU Memory Memon Memory Memory Load a Push a oad R1.A oad Rl.A C=A+B Add B Push B Add R1. B oad R2, B Store c Add Store R1.C Add R3 R1 R2 Pop C Store R3. C 202125Recap：ISA 的演进 2021/2/5 7