ld64b

Single-copy Atomic 64-byte Load

LD64B <Xt>, [<Xn|SP>]

Loads a 64-byte block of data atomically (Accelerator support).

Details

The Single-copy Atomic 64-byte Load instruction loads a 64-byte block of data atomically (Accelerator support).

Pseudocode Operation

// Loads a 64-byte block of data atomically (Accelerator support)

Example

LD64B x3, [x1]

Encoding

Binary Layout
11111000
001
11111
11
00
Rn
Rt
 
Format Load/Store
Opcode 0xF81F7C00
Extension LSE (Atomics)

Operands

  • Xt
    Dest (First of 8 regs)
  • Xn
    First source / base 64-bit integer register