fcvtl2

Floating-Point Convert Long High (Half to Single)

FCVTL2 <Vd>.4S, <Vn>.8H

Converts Half-precision (Top) to Single-precision.

Details

The Floating-Point Convert Long High instruction converts Half-precision (Top) to Single-precision.

Pseudocode Operation

Vd ← convert(Vn)

Example

FCVTL2 v0.4s.4S, v1.4s.8H

Encoding

Binary Layout
01101110
001
00001
01111
0
Vn
Vd
 
Format NEON FP16
Opcode 0x6E217800
Extension FEAT_FP16 (NEON)

Operands

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