rsqrtps

Reciprocal Square Root Packed Single-Precision

RSQRTPS xmm, xmm/m128

Approximate reciprocal sqrt (1/sqrt(x)) of four 32-bit floats.

Details

The Reciprocal Square Root Packed Single-Precision instruction approximate reciprocal sqrt (1/sqrt(x)) of four 32-bit floats.

Pseudocode Operation

// Approximate reciprocal sqrt (1/sqrt(x)) of four 32-bit floats

Example

RSQRTPS xmm0, xmm1

Encoding

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

Operands

  • dest
    128-bit SSE/AVX register (XMM)
  • src
    128-bit XMM register or 128-bit memory