dpps

Dot Product Packed Single-Precision

DPPS xmm1, xmm2/m128, imm8

Computes the dot product of two float vectors.

Details

The Dot Product Packed Single-Precision instruction computes the dot product of two float vectors.

Pseudocode Operation

// Computes the dot product of two float vectors

Example

DPPS xmm1, xmm2/m128, 3

Encoding

Binary Layout
66
+0
0F
+1
3A
+2
40
+3
 
Format SSE4.1
Opcode 66 0F 3A 40
Extension SSE4.1

Operands

  • dest
    128-bit XMM SIMD register
  • src1
    128-bit XMM SIMD register or Memory operand
  • src2
    8-bit signed immediate