vmull

Vector Multiply Long

VMULL<c>.<dt> <Qd>, <Dn>, <Dm>

Multiplies N-bit elements producing 2N-bit results.

Details

The Vector Multiply Long instruction multiplies N-bit elements producing 2N-bit results.

Pseudocode Operation

// Multiplies N-bit elements producing 2N-bit results

Example

VMULL.dt q0, d1, d2

Encoding

Binary Layout
11110010
1
sz
0
Vn
Vd
1100
N
0
M
0
Vm
 
Format NEON 3-Reg
Opcode 0xF2800C00
Extension NEON (SIMD)

Operands

  • Qd
    Dest Wide
  • Dn
    First source 64-bit SIMD/FP register
  • Dm
    Second source 64-bit SIMD/FP register