vrsqrt14ps

Compute Approximate Reciprocal Square Root (14-bit)

VRSQRT14PS zmm1 {k1}, zmm2/m512

Approximate 1/sqrt(x) with 2^-14 error.

Details

The Compute Approximate Reciprocal Square Root (14-bit) instruction approximate 1/sqrt(x) with 2^-14 error.

Pseudocode Operation

// Approximate 1/sqrt(x) with 2^-14 error

Example

VRSQRT14PS zmm1, zmm2/m512

Encoding

Binary Layout
EVEX
+0
66
+4
0F
+5
38
+6
4E
+7
 
Format EVEX
Opcode 66 0F 38 4E
Extension AVX-512F

Operands

  • dest
    512-bit ZMM AVX-512 register
  • src
    512-bit ZMM AVX-512 register or Memory operand