dssall

Data Stream Stop All

dssall

Stops all active data stream prefetch operations.

Details

The dssall instruction stops all data streams, ensuring that no further data is processed or transferred.

Pseudocode Operation

// Data stream prefetch hint to hardware prefetcher

Programming Note

Use dssall to halt all data stream operations, preventing any further processing or transfer of data. This instruction is typically used in scenarios where you need to ensure complete cessation of data flow, such as during system shutdowns or critical error handling. Ensure that this instruction is executed at a privilege level sufficient to control data streams, and be aware that it may trigger exceptions if not properly managed.

Example

dssall

Encoding

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

Operands