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 EndOfDecode(Decode_NOP);

Operation

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


Internal version only: aarchmrs v2024-06_diff-tag2, pseudocode v2024-06_rel, sve v2024-06_rel ; Build timestamp: 2024-09-19T21:47

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