rsqrtss

Reciprocal Square Root Scalar Single-Precision

RSQRTSS xmm1, xmm2/m32

Computes approximate reciprocal sqrt (1/sqrt(x)) of low float.

Details

The Reciprocal Square Root Scalar Single-Precision instruction computes approximate reciprocal sqrt (1/sqrt(x)) of low float.

Pseudocode Operation

// Computes approximate reciprocal sqrt (1/sqrt(x)) of low float

Example

RSQRTSS xmm1, xmm2/m32

Encoding

Binary Layout
F3
+0
0F
+1
52
+2
 
Format SSE
Opcode F3 0F 52
Extension SSE

Operands

  • dest
    128-bit XMM SIMD register
  • src
    128-bit XMM SIMD register or Memory operand