TTEST

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

System
(FEAT_TME)

313029282726252423222120191817161514131211109876543210
110101010010001100110001011Rt

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>;


Internal version only: isa v32.12, AdvSIMD v29.04, pseudocode v2020-09_xml, sve v2020-09_rc2b ; Build timestamp: 2020-09-30T19:16

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