st64bv0

Single-copy Atomic 64-byte Store with Return (Zero)

ST64BV0 <Ws>, <Xt>, [<Xn|SP>]

Stores 64 bytes (eliding the first 8 bytes as zero) and returns status.

Details

The Single-copy Atomic 64-byte Store with Return instruction stores 64 bytes (eliding the first 8 bytes as zero) and returns status.

Pseudocode Operation

// Stores 64 bytes (eliding the first 8 bytes as zero) and returns status

Example

ST64BV0 w6, x3, [x1]

Encoding

Binary Layout
11111000
001
11111
10
10
Rn
Rt
 
Format Load/Store
Opcode 0xF81F7C00
Extension LSE (Atomics)

Operands

  • Ws
    Status
  • Xt
    Data
  • Xn
    First source / base 64-bit integer register