isb

Instruction Synchronization Barrier (Thumb)

ISB <option>

Instruction barrier (Thumb).

Details

The Instruction Synchronization Barrier instruction instruction barrier (Thumb).

Pseudocode Operation

// Memory/instruction barrier

Example

ISB option

Encoding

Binary Layout
1111001110111111100011110110
option
 
Format Thumb System
Opcode 0xF3BF8F60
Extension A32 (Base)

Operands

  • option
    SY