SB

Speculation Barrier is a barrier that controls speculation. For more information and details of the semantics, see Speculation Barrier (SB).

System
(FEAT_SB)

313029282726252423222120191817161514131211109876543210
11010101000000110011(0)(0)(0)(0)11111111
CRmopc

SB

if !IsFeatureImplemented(FEAT_SB) then UNDEFINED;

Operation

SpeculationBarrier();


Internal version only: isa v33.74, AdvSIMD v29.23, pseudocode v2023-09_rel, sve v2023-09_rc3 ; Build timestamp: 2023-09-27T17:06

Copyright © 2010-2023 Arm Limited or its affiliates. All rights reserved. This document is Non-Confidential.