Method vqrdmlahh_laneq_s16
vqrdmlahh_laneq_s16(Int16, Int16, v128, Int32)
Signed Saturating Rounding Doubling Multiply Accumulate returning High Half (by element). This instruction multiplies the vector elements of the first source SIMD&FP register with the value of a vector element of the second source SIMD&FP register without saturating the multiply results, doubles the results, and accumulates the most significant half of the final results with the vector elements of the destination SIMD&FP register. The results are rounded.If any of the results overflow, they are saturated. The cumulative saturation bit, FPSR.QC, is set if saturation occurs.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: SQRDMLAH Hd,Hn,Vm.H[lane]
Declaration
public static short vqrdmlahh_laneq_s16(short a0, short a1, v128 a2, int a3)Parameters
| Type | Name | Description |
|---|---|---|
| Int16 | a0 | Int16 a0 |
| Int16 | a1 | Int16 a1 |
| v128 | a2 | 128-bit vector a2 |
| Int32 | a3 | Lane index to a2. Must be an immediate in the range of [0..7] |
Returns
| Type | Description |
|---|---|
| Int16 | Int16 |