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SETFFR

Initialise the first-fault register to all true.

Initialise the first-fault register (FFR) to all true prior to a sequence of first-fault or non-fault loads. This instruction is unpredicated.

313029282726252423222120191817161514131211109876543210
00100101001011001001000000000000

SVE

SETFFR

if !HaveSVE() then UNDEFINED;

Operation

CheckSVEEnabled(); FFR[] = Ones(PL);

Operational information

If PSTATE.DIT is 1:


Internal version only: isa v30.44v30.42, AdvSIMD v27.08, pseudocode v8.5-2019-06_rc2-5-g22901f2future-20190403, sve v2019-06_rc4v8.5-00bet10_rc5 ; Build timestamp: 2019-06-26T222019-04-17T09:0458

Copyright © 2010-2019 Arm Limited or its affiliates. All rights reserved. This document is Non-Confidential.

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