pcmpgtb

Packed Compare Greater Than Byte (MMX)

PCMPGTB mm, mm/m64

Compares bytes for greater than (MMX).

Details

The Packed Compare Greater Than Byte (MMX) instruction compares bytes for greater than (MMX).

Pseudocode Operation

// Compares bytes for greater than (MMX)

Example

PCMPGTB mm, mm/m64

Encoding

Binary Layout
0F
+0
64
+1
 
Format MMX
Opcode 0F 64
Extension MMX

Operands

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