Method vcopy_laneq_u64
vcopy_laneq_u64(v64, int, v128, int)
Duplicate vector element to vector or scalar. This instruction duplicates the vector element at the specified element index in the source SIMD&FP register into a scalar or each element in a vector, and writes the result to the destination SIMD&FP register.Depending on the settings in the CPACR_EL1, CPTR_EL2, and CPTR_EL3 registers, and the current Security state and Exception level, an attempt to execute the instruction might be trapped.
Equivalent instruction: DUP Dd,Vn.D[lane2]
Declaration
public static v64 vcopy_laneq_u64(v64 a0, int a1, v128 a2, int a3)Parameters
| Type | Name | Description |
|---|---|---|
| v64 | a0 | 64-bit vector a0 |
| int | a1 | Lane index to a0. Must be an immediate in the range of [0..0] |
| v128 | a2 | 128-bit vector a2 |
| int | a3 | Lane index to a2. Must be an immediate in the range of [0..1] |
Returns
| Type | Description |
|---|---|
| v64 | 64-bit vector |