On 17:00 Thu 28 May , Marc Glisse wrote: > One of them seems to be a tuning choice (it disappears with some > -march/-mtune flags), but not the other. Could you file an issue in gcc's > bugzilla please? thank you for the quick answer. I filed an issue: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95405 Greetings, Steffen