vfma

Vector Fused Multiply Accumulate

VFMA<c>.F32 <Qd>, <Qn>, <Qm>

Computes Vd = Vd + (Vn * Vm) with single rounding.

Details

The Vector Fused Multiply Accumulate instruction computes Vd = Vd + (Vn * Vm) with single rounding.

Pseudocode Operation

// Computes Vd = Vd + (Vn * Vm) with single rounding

Example

VFMA.F32 q0, q1, q2

Encoding

Binary Layout
11110010
0
0
0
Vn
Vd
1100
N
Q
M
1
Vm
 
Format NEON 3-Reg
Opcode 0xF2000C10
Extension VFPv4 (SIMD)

Operands

  • Qd
    Dest/Acc
  • Qn
    First source 128-bit SIMD register
  • Qm
    Second source 128-bit SIMD register