◎简单循环及其对应的汇编程序 for(i=1;<=1000;++) X()=Ⅺ()+S; oop: LD FO, O(R1) F0=vector element ADDd F4,F0, F2 : add scalar from f2 SD O(R1), F4 store result SUBI R1R18 decrement pointer 8B (DW) BNEZ R1, Loop branch R1=zero NOP delayed branch slot 计算机体系结构2021/2/7 计算机体系结构 10 简单循环及其对应的汇编程序 for (i=1; i<=1000; i++) x(i) = x(i) + s; Loop: LD F0,0(R1) ;F0=vector element ADDD F4,F0,F2 ;add scalar from F2 SD 0(R1),F4 ;store result SUBI R1,R1,8 ;decrement pointer 8B (DW) BNEZ R1,Loop ;branch R1!=zero NOP ;delayed branch slot