Question
In: Computer Science
Provide the instruction type, assembly language instruction, and binary representation of the instruction described by the...
Provide the instruction type, assembly language instruction, and binary representation of the instruction described by the following LEGv8 fields:
op = 0x458, Rm = 14, Rn = 16, Rd = 18, shamt = 0
Solutions
Expert Solution
Instruction type: R-type (refer below)
Assembly language Instruction: ADD X18, X16, X14 // (since, opcode 0x458(hex) = 1112(decimal) which is ADD arithmetic operation)
// register X18 contains the sum of the contents of X14 & X16 (refer below)
| Instruction |
op = 0x458(hex) (11 bits) |
Rm = 14 (5 bits) |
Shamt=0 (6 bits) |
Rn =16 (5 bits) |
Rd = 18 (5 bits) |
| Decimal represntation | 1112 | 14 | 0 | 16 | 18 |
| Hexa decimal representation | 0000 0000 458 | 0000E | 000000 | 00010 | 00012 |
| Binary representation | 100 0101 1000 | 01110 | 000000 | 10000 | 10010 |
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