vrecps

Vector Reciprocal Step

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

Newton-Raphson step for reciprocal refinement: (2 - Vn * Vm).

Details

The Vector Reciprocal Step instruction newton-Raphson step for reciprocal refinement: (2 - Vn * Vm).

Pseudocode Operation

// Newton-Raphson step for reciprocal refinement: (2 - Vn * Vm)

Example

VRECPS.F32 q0, q1, q2

Encoding

Binary Layout
11110010
0
0
0
Vn
Vd
1111
N
Q
M
1
Vm
 
Format NEON 3-Reg
Opcode 0xF2000F10
Extension NEON (SIMD)

Operands

  • Qd
    Destination 128-bit SIMD register
  • Qn
    First source 128-bit SIMD register
  • Qm
    Second source 128-bit SIMD register