Convert floating-point condition flags from external format to Arm format
This instruction converts the state of the PSTATE.{N,Z,C,V} flags from an alternative representation required by some software to a form representing the result of an Arm floating-point scalar compare instruction.
| 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 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| op1 | CRm | op2 | Rt | ||||||||||||||||||||||||||||
if !IsFeatureImplemented(FEAT_FlagM2) then EndOfDecode(Decode_UNDEF); end;
let n : bit = NOT(PSTATE.C) AND NOT(PSTATE.Z); let z : bit = PSTATE.Z AND PSTATE.C; let c : bit = PSTATE.C OR PSTATE.Z; let v : bit = NOT(PSTATE.C) AND PSTATE.Z; PSTATE.N = n; PSTATE.Z = z; PSTATE.C = c; PSTATE.V = v;
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