fneg

Floating-Point Negate (Scalar)

FNEG <Hd|Sd|Dd>, <Hn|Sn|Dn>

Negates the value (flips sign bit).

Details

The Floating-Point Negate instruction negates the value (flips sign bit).

Pseudocode Operation

Vd ← -Vn

Example

FNEG Dd, Dn

Encoding

Binary Layout
00011110
type
100000
100000
Rn
Rd
 
Format FP Data Processing
Opcode 0x1E204000
Extension Floating Point

Operands

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