ldclr

Atomic Load-Clear Word

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

Atomic bit clear (AND NOT) to memory.

Details

The Atomic Load-Clear Word instruction atomic bit clear (AND NOT) to memory.

Pseudocode Operation

// Atomic bit clear (AND NOT) to memory

Example

LDCLR w6, w3, [x1]

Encoding

Binary Layout
10111000
0
0
1
00001
11111
Rn
Rt
 
Format Atomic
Opcode 0xB8201000
Extension LSE (Atomics)

Operands

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