https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94717
--- Comment #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > Shouldn't that be done in try_coalesce_bswap instead? > Because checking lp_nr above will only make sure it is the same between > merged_store and the first store after it, but we are trying to coalesce > often more than that. > By checking it in try_coalesce_bswap, in the first loop in that function, it > will verify all stores. OK, I didn't realize that try_coalesce_bswap has its own private loop. But this can be done in both places, like the check on ins_stmt.