[Bug target/105617] [12/13 regressi] Slp is maybe too aggressive in some/many cases

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105617

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Regression in code          |[12/13 regressi] Slp is
                   |generation for              |maybe too aggressive in
                   |_addcarry_u64()             |some/many cases
           Keywords|                            |missed-optimization

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is just the vectorizer still being too aggressive right before a return.
It is a cost model issue and it might not really be an issue in the final code
just microbenchmarks.