GCSB

Guarded Control Stack barrier

This instruction generates a GCSB effect.

If FEAT_GCS is not implemented, this instruction executes as a NOP.

System
(FEAT_GCS)

313029282726252423222120191817161514131211109876543210
11010101000000110010001001111111
CRmop2

Encoding

GCSB DSYNC

Decode for this encoding

if !IsFeatureImplemented(FEAT_GCS) then EndOfDecode(Decode_NOP);

Operation

GCSSynchronizationBarrier();


Internal version only: aarchmrs v2025-03_rel, pseudocode v2025-03_rel ; Build timestamp: 2025-03-21T17:41

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