dststt

Data Stream Touch for Store Transient

dststt RA, RB, STRM

Initiates a transient prefetch for writing.

Details

The Data Stream Touch for Store Transient instruction initiates a transient prefetch for writing.

Pseudocode Operation

// Data stream prefetch hint to hardware prefetcher

Example

dststt r4, r5, 0

Encoding

Binary Layout
31
0
STRM
6
RA
11
RB
16
374
21
/
31
 
Format X-form
Opcode 0x7C0002E6
Extension Base

Operands

  • RA
    Base
  • RB
    Index
  • STRM
    Stream ID