pxor

Packed Logical XOR (MMX)

PXOR mm, mm/m64

Bitwise XOR of 64-bit MMX registers.

Details

The Packed Logical XOR (MMX) instruction bitwise XOR of 64-bit MMX registers.

Pseudocode Operation

DEST <- DEST XOR SRC
// Flags affected: SF, ZF, PF (OF=CF=0)

Example

PXOR mm, mm/m64

Encoding

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

Operands

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