499 B
499 B
| Opcode | Instruction | Op/En | 64-bit Mode | Compat/Leg Mode | Description |
|---|---|---|---|---|---|
| 0F C8+rd | BSWAP r32 | O | Valid | Valid | Reverses the byte order of a 32-bit register. |
| REX.W + 0F C8+rd | BSWAP r64 | O | Valid | N.E. | Reverses the byte order of a 64-bit register. |