frsqrte

Vector Floating-Point Reciprocal Sqrt Estimate

FRSQRTE <Vd>.<T>, <Vn>.<T>

Estimates reciprocal square root (1/sqrt(x)).

Details

The Vector Floating-Point Reciprocal Sqrt Estimate instruction estimates reciprocal square root (1/sqrt(x)).

Pseudocode Operation

// Estimates reciprocal square root (1/sqrt(x))

Example

FRSQRTE v0.4s.T, v1.4s.T

Encoding

Binary Layout
0
Q
101110
1
sz
10000
11111
1
Rn
Rd
 
Format SIMD Two Register
Opcode 0x2EA0F800
Extension NEON (SIMD)

Operands

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