ldset

Atomic Load-Set Word

LDSET <Ws>, <Wt>, [<Xn|SP>]

Atomic bit set (OR) to memory.

Details

The Atomic Load-Set Word instruction atomic bit set (OR) to memory.

Pseudocode Operation

// Atomic bit set (OR) to memory

Example

LDSET w6, w3, [x1]

Encoding

Binary Layout
10111000
0
0
1
00011
11111
Rn
Rt
 
Format Atomic
Opcode 0xB8203000
Extension LSE (Atomics)

Operands

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