isb

Instruction Synchronization Barrier (A32)

ISB <option>

Flushes the pipeline.

Details

The Instruction Synchronization Barrier instruction flushes the pipeline.

Pseudocode Operation

// Memory/instruction barrier

Example

ISB option

Encoding

Binary Layout
1111
0101
0111
1111
1111
0000
0110
option
 
Format System
Opcode 0xF57FF060
Extension A32 (Base)

Operands

  • option
    SY