https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116831
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords|needs-bisection | Status|UNCONFIRMED |NEW Last reconfirmed| |2024-09-26 Ever confirmed|0 |1 --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Applying pattern match.pd:5354, gimple-match-3.cc:2427 Applying pattern match.pd:6669, gimple-match-3.cc:2452 gimple_simplified to _203 = vect_cst__182 % vect_cst__183; Different pattern but similar issue: /* x / y * y == x -> x % y == 0. */ (simplify (eq:c (mult:c (trunc_div:s @0 @1) @1) @0) (if (TREE_CODE (TREE_TYPE (@0)) != COMPLEX_TYPE) (eq (trunc_mod @0 @1) { build_zero_cst (TREE_TYPE (@0)); })))