pacda

Pointer Authentication Code for Data Address (Key A)

PACDA <Xd>, <Xn>

Signs a data address using Key A.

Details

The Pointer Authentication Code for Data Address instruction signs a data address using Key A.

Pseudocode Operation

Xd ← Xn + SRC2
// Flags affected: N, Z, C, V

Example

PACDA x0, x1

Encoding

Binary Layout
11011010
110
Xn
000010
11111
Xd
 
Format Data Processing
Opcode 0xDAC10800
Extension PAC (Security)

Operands

  • Xd
    Destination 64-bit integer register
  • Xn
    Modifier