[Bug tree-optimization/113281] [14 Regression] Wrong code due to vectorization of shift reduction and missing promotions since r14-3027

[rguenther at suse dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113281

--- Comment #16 from rguenther at suse dot de <rguenther at suse dot de> ---
On Wed, 24 Jan 2024, pinskia at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113281
> 
> --- Comment #15 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
> (In reply to Richard Biener from comment #14)
> > a >= 16 ? 0 : 32872 >> MIN (a, 15) (the MIN is still required to
> > avoid requiring masking).
> 
> Note maybe instead of MIN here we use `a & 0xf` since that will more likely be
> cheaper than a MIN.

But it's incorrect (that's what I did originally).