psubusw

Packed Subtract Unsigned Saturate Word (MMX)

PSUBUSW mm, mm/m64

Subtracts 4 unsigned words with saturation (MMX).

Details

The Packed Subtract Unsigned Saturate Word (MMX) instruction subtracts 4 unsigned words with saturation (MMX).

Pseudocode Operation

// Subtracts 4 unsigned words with saturation (MMX)

Example

PSUBUSW mm, mm/m64

Encoding

Binary Layout
0F
+0
D9
+1
 
Format MMX
Opcode 0F D9
Extension MMX

Operands

  • dest
    64-bit MMX register
  • src
    64-bit MMX register or Memory operand