You copied the Doc URL to your clipboard.

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

SETFFR

if !HaveSVE() then UNDEFINED;

Operation

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