ARM Code (Branching)

Question 1

B

Answer 1

Simple Branch to address

Question 2

BX

Answer 2

Branch with indirect.

B to address stored in register

Question 3

BL

Answer 3

B with link

(Store current PC in link R, prior to Branching to new address

Question 4

BLX

Answer 4

B with indirect link

Same as BL, but with the address to which to branch is held in a R

Question 5

CBZ

Answer 5

Compare & B if Zero

Question 6

CBNZ

Answer 6

Compare & B if non-Zero

Question 7

It-Blocks

Answer 7

If-Then Blocks

avoids Branching up to 4 instructions following the IF comparison