not

One's Complement Negation

NOT r/m

Reverses bits of operand.

Details

The One's Complement Negation instruction reverses bits of operand.

Pseudocode Operation

DEST <- NOT DEST

Example

NOT rbx

Encoding

Binary Layout
F7
+0
ModRM
+1
 
Format Legacy
Opcode F7 /2
Extension Base

Operands

  • dest
    Register or memory operand