fneg

Floating-Point Negate (Half-Precision)

FNEG <Vd>.8H, <Vn>.8H

Negates half-precision vector.

Details

The Floating-Point Negate instruction negates half-precision vector.

Pseudocode Operation

Vd ← -Vn

Example

FNEG v0.4s.8H, v1.4s.8H

Encoding

Binary Layout
01101110
111
11000
01111
0
Vn
Vd
 
Format NEON FP16
Opcode 0x6EF87800
Extension FEAT_FP16 (NEON)

Operands

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