ldxp

Load Exclusive Pair

LDXP <Wt1>, <Wt2>, [<Xn|SP>]

Loads two words as an exclusive operation.

Details

The Load Exclusive Pair instruction loads two words as an exclusive operation.

Pseudocode Operation

Wt1 ← Memory[address]

Example

LDXP w3, w4, [x1]

Encoding

Binary Layout
10001000
01111111
011111
Rn
Rt
 
Format Load/Store Excl
Opcode 0x887F7C00
Extension Base (Atomic)

Operands

  • Wt1
    Target 1
  • Wt2
    Target 2
  • Xn
    First source / base 64-bit integer register