private void StSFld()
{
var inst = _instructions[_instructionPtr];
var fld = ((FieldDefinition)inst.Operand).Resolve();
var mt = _classLoader.LoadTypeFromTypeRef(fld.DeclaringType);
var fldDesc = _classLoader.LookupFieldDescFromFieldDef(fld);
var value = _opStack.Pop();
mt.StaticFields[fldDesc.Offset] = value.GetInstanceOrCopiedValue();
}