CHKFEAT

Check feature status. This instruction indicates the status of features.

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

System
(FEAT_CHK)

313029282726252423222120191817161514131211109876543210
11010101000000110010010100011111
CRmop2

CHKFEAT X16

if !IsFeatureImplemented(FEAT_CHK) then EndOfInstruction();

Operation

X[16, 64] = AArch64.ChkFeat(X[16, 64]);


Internal version only: isa v33.64, AdvSIMD v29.12, pseudocode v2023-06_rel, sve v2023-06_rel ; Build timestamp: 2023-07-04T19:42

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