* Harvey Harrison <harvey.harrison@xxxxxxxxx> wrote: > > Al's patch is: > > > > + if (op == '&' && expr->left->type == EXPR_PREOP && > > + expr->left->op == '!') > > + warning(expr->pos, "dubious: !x & y"); > > > > i think there might be similar patterns: "x & !y", "!x | y", "x | !y" ? > > > > Well, (!x & y) and (!x | y) are probably the two that might have been > intended otherwise. (x & !y), (x | !y) are probably ok. i think the proper intention in the latter cases is (x & ~y) and (x | ~y). My strong bet is that in 99% of the cases they are real bugs and && or || was intended. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html