# Form `VX128_5` — VX128_5 — VMX128 with shift field

## Bit Layout

| Bits | Field | Meaning |
| --- | --- | --- |
| 0–5 | `OPCD` | primary opcode (4) |
| 6–10 | `VD128l` | destination low 5 bits |
| 11–15 | `VA128l` | source A low 5 bits |
| 16–20 | `VB128l` | source B low 5 bits |
| 21 | `VA128H` | source A high bit |
| 22–25 | `SH` | 4-bit shift amount |
| 26 | `VA128h` | source A middle bit |
| 28–29 | `VD128h` | destination high 2 bits |
| 30–31 | `VB128h` | source B high 2 bits |

## Instructions Using This Form

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| Mnemonic | Opcode | Group | Description |
| --- | --- | --- | --- |
| [`vsldoi128`](../vmx128/vsldoi.md) | `0x10000010` | vmx | Vector128 Shift Left Double by Octet Immediate |

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