Index

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)

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 (0) (0) (0) (0) 0 1 0 1 1 1 1 1
CRm

AXFLAG

if !IsFeatureImplemented(FEAT_FlagM2) then UNDEFINED;

Operation

bit z = PSTATE.Z OR PSTATE.V;
bit c = PSTATE.C AND NOT(PSTATE.V);

PSTATE.N = '0';
PSTATE.Z = z;
PSTATE.C = c;
PSTATE.V = '0';