5.44 · exercise

Quiz: ARMv8 Assembly - Advanced

Work through loop conversion, exception levels, the program counter, multiply-accumulate, and integer division by zero in AArch64.

0 of 5 correct

Knowledge Check

When a C while loop (pre-test) is hand-translated to AArch64, why is the branch at the top of the loop usually written with the complement of the C condition?

Knowledge Check

Which ARMv8-A Exception Level is reserved for a hypervisor running guest operating systems?

Knowledge Check

The multiply-add instruction madd Wd, Wn, Wm, Wa computes which expression?

Knowledge Check

Why can the program counter not be named as an operand the way x0 can in AArch64?

Knowledge Check

What does an integer divide instruction (sdiv or udiv) do when the divisor register holds 0?