3.7.4. DSB

Data Synchronization Barrier.

Syntax

DSB

Operation

DSB acts as a special data synchronization memory barrier. Instructions that come after the DSB, in program order, do not execute until the DSB instruction completes. The DSB instruction completes when all explicit memory accesses before it complete.

Restrictions

There are no restrictions.

Condition flags

This instruction does not change the flags.

Examples

    DSB ; Data Synchronisation Barrier 

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