paddw

Packed Add Words

PADDW xmm, xmm/m128

Adds 8 words (Wraparound).

Details

The Packed Add Words instruction adds 8 words (Wraparound).

Pseudocode Operation

// Adds 8 words (Wraparound)

Example

PADDW xmm0, xmm1

Encoding

Binary Layout
66
+0
0F
+1
FD
+2
 
Format SSE2
Opcode 66 0F FD
Extension SSE2

Operands

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