https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115534
--- Comment #5 from Tamar Christina <tnfchris at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #4) > This might be improved by > https://gcc.gnu.org/pipermail/gcc-patches/2024-June/654819.html . Or it > might be the case the vectorizer case needs to be improved afterwards. But I > think that is the infrastructure for fixing this issue. Yeah Richard pointed me to this today as well. The vectorizer case is a bit unique because the vectorizer has packed scalar values in two vector registers. So yeah think it's likely some work will be needed afterwards but will see after the fsra patch lands :)