[Bug target/102974] GCC optimization is very poor for add carry and multiplication combos

[unlvsur at live dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102974

--- Comment #9 from cqwrteur <unlvsur at live dot com> ---
(In reply to Richard Biener from comment #8)
> As mentioned in the other bug STV might make things only worse.

what is stv?