prfm

Prefetch Memory (Register)

PRFM <prfop>, [<Xn|SP>, <R><m> {, <extend> <amount>}]

Prefetches data using a register offset.

Details

The Prefetch Memory instruction prefetches data using a register offset.

Pseudocode Operation

// Prefetches data using a register offset

Example

PRFM prfop, [x1, Rm ]

Encoding

Binary Layout
11111000
101
Rm
option
S
10
Rn
Rt
 
Format Load/Store Reg
Opcode 0xF8A00000
Extension Base

Operands

  • prfop
    Type
  • Xn
    First source / base 64-bit integer register
  • Rm
    Second source / offset general-purpose register