dss

Data Stream Stop

dss STRM

Stops a data stream prefetch operation.

Details

Stops the hardware prefetch stream identified by STRM. This instruction terminates data stream prefetching for a specific stream, allowing the hardware to cease streaming operations and free associated resources. It is an advisory instruction with no architectural side effects if data streaming is not supported.

Pseudocode Operation

StopDataStream(STRM)

Example

dss 0

Encoding

Binary Layout
31
0
STRM
6
0
11
0
16
822
21
/
31
 
Format X-form
Opcode 0x7C000666
Extension Base

Operands

  • STRM
    Stream ID