TTEST

This instruction writes the depth of the transaction to the destination register, or the value 0 otherwise.

System
(FEAT_TME)

313029282726252423222120191817161514131211109876543210
110101010010001100110001011Rt
op1CRnCRmop2

TTEST <Xt>

if !IsFeatureImplemented(FEAT_TME) then UNDEFINED; integer t = UInt(Rt);

Assembler Symbols

<Xt>

Is the 64-bit name of the general-purpose destination register, encoded in the "Rt" field.

Operation

if !IsTMEEnabled() then UNDEFINED; X[t, 64] = (TSTATE.depth)<63:0>;


Internal version only: aarchmrs v2023-12_rel, pseudocode v2023-12_rel, sve v2023-12_rel ; Build timestamp: 2023-12-15T16:46

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