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AXFLAG -- A64

AXFLAG

Convert floating-point condition flags from Arm to external format

This instruction converts the state of the PSTATE.{N,Z,C,V} flags from a form representing the result of an Arm floating-point scalar compare instruction to an alternative representation required by some software.

System
(FEAT_FlagM2)

313029282726252423222120191817161514131211109876543210
11010101000000000100(0)(0)(0)(0)01011111
op1CRmop2Rt

Encoding

AXFLAG

Decode for this encoding

if !IsFeatureImplemented(FEAT_FlagM2) then EndOfDecode(Decode_UNDEF); end;

Operation

let z : bit = PSTATE.Z OR PSTATE.V; let c : bit = PSTATE.C AND NOT(PSTATE.V); PSTATE.[N,Z,C,V] = '0' :: z :: c :: '0';


2025-09_rel_asl1 2026-03-12 12:57:38

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