dst

Data Stream Touch

dst RA, RB, STRM

Initiates a hardware data stream prefetch (AltiVec Legacy).

Details

The Data Stream Touch instruction initiates a hardware data stream prefetch (AltiVec Legacy).

Pseudocode Operation

// Data stream prefetch hint to hardware prefetcher

Example

dst r4, r5, 0

Encoding

Binary Layout
31
0
STRM
6
RA
11
RB
16
342
21
/
31
 
Format X-form
Opcode 0x7C0002A6
Extension Base

Operands

  • RA
    Base
  • RB
    Index
  • STRM
    Stream ID