[Bug tree-optimization/115531] vectorizer generates inefficient code for masked conditional update loops

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115531

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2024-06-18
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=20999
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I suspect PR 20999 would fix this ...
but we have to be careful since without masked stores, you could still
vectorize this unlike the transformed version.

Maybe ifcvt can produce a masked store version if this pattern ...