ldar

Load-Acquire Register

LDAR <Wt>, [<Xn|SP>]

Loads a word with Acquire semantics.

Details

The Load-Acquire Register instruction loads a word with Acquire semantics.

Pseudocode Operation

Wt ← Memory[address]

Example

LDAR w3, [x1]

Encoding

Binary Layout
00001000
1
0
1
11111
11111
Rn
Rt
 
Format Load/Store
Opcode 0x08BF F??
Extension Base (Atomic)

Operands

  • Wt
    Transfer 32-bit integer register (load/store)
  • Xn
    First source / base 64-bit integer register