NTSTATUS __fastcall RtlXSaveS(INT64 RCX, INT64 a2){ NTSTATUS result; if( (KUSER_SHARED_DATA.XState._bf_0 & 2) != 0 ) return XSaveSHelper(RCX, a2 & *(_QWORD *)(RCX + 520)); RtlXSave((_XSAVE_AREA *)RCX, a2); return result; }