https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114090
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- I'd go with --- gcc/match.pd.jj 2024-02-22 10:09:48.678446435 +0100 +++ gcc/match.pd 2024-02-24 19:23:32.201014245 +0100 @@ -453,8 +453,9 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) /* (x >= 0 ? x : 0) + (x <= 0 ? -x : 0) -> abs x. */ (simplify - (plus:c (max @0 integer_zerop) (max (negate @0) integer_zerop)) - (abs @0)) + (plus:c (max @0 integer_zerop) (max (negate @0) integer_zerop)) + (if (ANY_INTEGRAL_TYPE_P (type) && TYPE_OVERFLOW_UNDEFINED (type)) + (abs @0))) /* X * 1, X / 1 -> X. */ (for op (mult trunc_div ceil_div floor_div round_div exact_div) @@ -4218,8 +4219,9 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) /* (x <= 0 ? -x : 0) -> max(-x, 0). */ (simplify - (cond (le @0 integer_zerop@1) (negate@2 @0) integer_zerop@1) - (max @2 @1)) + (cond (le @0 integer_zerop@1) (negate@2 @0) integer_zerop@1) + (if (ANY_INTEGRAL_TYPE_P (type) && TYPE_OVERFLOW_UNDEFINED (type)) + (max @2 @1))) /* (zero_one == 0) ? y : z <op> y -> ((typeof(y))zero_one * z) <op> y */ (for op (bit_xor bit_ior plus)