psubusb

Packed Subtract Unsigned Saturate Byte (MMX)

PSUBUSB mm, mm/m64

Subtracts 8 unsigned bytes with saturation (MMX).

Details

The Packed Subtract Unsigned Saturate Byte (MMX) instruction subtracts 8 unsigned bytes with saturation (MMX).

Pseudocode Operation

// Subtracts 8 unsigned bytes with saturation (MMX)

Example

PSUBUSB mm, mm/m64

Encoding

Binary Layout
0F
+0
D8
+1
 
Format MMX
Opcode 0F D8
Extension MMX

Operands

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