fadd

Floating-Point Add (Half-Precision)

FADD <Vd>.8H, <Vn>.8H, <Vm>.8H

Adds two half-precision floating-point vectors.

Details

The Floating-Point Add instruction adds two half-precision floating-point vectors.

Pseudocode Operation

Vd ← Vn + Vm
// Flags affected: N, Z, C, V

Example

FADD v0.4s.8H, v1.4s.8H, v2.4s.8H

Encoding

Binary Layout
01001110
010
11111
00010
Vm
Vn
Vd
 
Format NEON FP16
Opcode 0x4E20D400
Extension FEAT_FP16 (NEON)

Operands

  • Vd
    Destination SIMD/FP vector register
  • Vn
    First source SIMD/FP vector register
  • Vm
    Second source SIMD/FP vector register