autia

Authenticate Instruction Address (Key A)

AUTIA <Xd>, <Xn>

Authenticates an instruction address signed with Key A.

Details

The Authenticate Instruction Address instruction authenticates an instruction address signed with Key A.

Pseudocode Operation

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

Example

AUTIA x0, x1

Encoding

Binary Layout
11011010
110
Xn
000100
11111
Xd
 
Format Data Processing
Opcode 0xDAC11000
Extension PAC (Security)

Operands

  • Xd
    Destination 64-bit integer register
  • Xn
    Modifier