Machine Instructions Flashcards
1
Q
How big are ARMv8 instructions?
A
32 bits
2
Q
What are machine instructions?
A
How the processor executes instructions at the lowest level
3
Q
List some things the machine instructions encode
A
- opcode
- destination & source registers
- an immediate value
- an address
4
Q
What differs between instruction formats in ARMv8?
A
- each is designed for particular operations
- each uses particular fields
5
Q
List some types of instruction formats
A
- R-type
- B-type
- CBI-type
