Loop:

addi X$9,$ X$9,1\frac{,}{\frac{?}{?}}$ increment loop index: $k=k+1$

sub X$14,$ X$13,$ X$9//$ test loop index: if limit $>$ k then X$14!=0$

addi X$10,$ X$10,4//$ compute loop body: $x=x+4$

sub X$11,$ X$10,$ X$9//$ compute loop body: $y=x-k$

CBNZ X$14$ Loop $//$ loop$-$body is done; goto loopback point

Exit:

For a loop like this, which type of branch predictor would be more accurate?

$[$ Select $]$

$[$ Select $]$

not taken

contains $20.$ What is the accuracy of this predictor?

taken

Loop:

addi $X9,X9,1$

sub $x14,X13,X9$ increment loop index: $k=k+1$

addi $X10,X10,4$

$\frac{\frac{?}{?}}{t}$est loop index: $iflimit>k$ then $X140$

sub $X11,X10,X9$

$CBNZX14$ Looppute loop body: $x=x+4$

Exit:

For a loop like this, which type of branch predictor would be more accurate?

$[$ Select$]$

Assume X $9$ starts at $0$ and X $13$ contains $20.$ What is the accuracy of this predictor?