psubw

Packed Subtract Words

PSUBW xmm, xmm/m128

Subtracts 8 words.

Details

The Packed Subtract Words instruction subtracts 8 words.

Pseudocode Operation

// Subtracts 8 words

Example

PSUBW xmm0, xmm1

Encoding

Binary Layout
66
+0
0F
+1
F9
+2
 
Format SSE2
Opcode 66 0F F9
Extension SSE2

Operands

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