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TTEST

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

System
(TME)

313029282726252423222120191817161514131211109876543210
110101010010001100110001011Rt

System

TTEST <Xt>

if !HaveTME() 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

CheckTMEEnabled();

X[t] = (TSTATE.depth)<63:0>;
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