fnmul

Floating-Point Negated Multiply (Scalar)

FNMUL <Hd|Sd|Dd>, <Hn|Sn|Dn>, <Hm|Sm|Dm>

Calculates -(Vn * Vm).

Details

The Floating-Point Negated Multiply instruction calculates -(Vn * Vm).

Pseudocode Operation

// Calculates -(Vn * Vm)

Example

FNMUL Dd, Dn, Dm

Encoding

Binary Layout
00011110
type
100000
Rm
001000
Rn
Rd
 
Format FP Data Processing
Opcode 0x1E208800
Extension Floating Point

Operands

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