# vtbx1_u8(v64, v64, v64)

> Bitwise Insert if False. This instruction inserts each bit from the first source SIMD&FP register into the destination SIMD&FP register if the corresponding bit of the second source SIMD&FP register is 0, otherwise leaves the bit in the destination register unchanged. Equivalent instructions: MOVI Vtmp.8B,#8 CMHS Vtmp.8B,Vm.8B,Vtmp.8B TBL Vtmp1.8B,{Vn.16B},Vm.8B BIF Vd.8B,Vtmp1.8B,Vtmp.8B

## Definition

* **Type:** Method
* **Namespace:** [Unity.Burst.Intrinsics](/engine/7000.0/script-reference/unity/burst/intrinsics.md)
* **Assembly:** UnityEngine.BurstModule

```csharp
public static v64 vtbx1_u8(v64 a0, v64 a1, v64 a2)
```

### Parameters

**** (\[v64]\(/engine/7000.0/script-reference/unity/burst/intrinsics/v64)): 64-bit vector a0**** (\[v64]\(/engine/7000.0/script-reference/unity/burst/intrinsics/v64)): 64-bit vector a1**** (\[v64]\(/engine/7000.0/script-reference/unity/burst/intrinsics/v64)): 64-bit vector a2

### Returns

| Type                                                                 | Description   |
| -------------------------------------------------------------------- | ------------- |
| [v64](/engine/7000.0/script-reference/unity/burst/intrinsics/v64.md) | 64-bit vector |