Le 26/09/2022 à 19:24, Aldy Hernandez via Gcc-patches a écrit :
Suggestion: as AND is a bitwise operator, a X non-zero bit can be cleared for every bit at which the result is cleared and the MASK is set, so what you do here can be extended to non-zero result values.For [0 = x & MASK], we can determine that x is ~MASK.
