[Bug tree-optimization/91460] gcc -mpreferred-vector-width=256 is slower than -mpreferred-vector-width=128 for some loops

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91460

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|i386                        |x86_64-*-*, i?86-*-*,
                   |                            |aarch64-*-*
                 CC|                            |andre.simoesdiasvieira@arm.
                   |                            |com
          Component|rtl-optimization            |tree-optimization
             Blocks|                            |53947

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
I believe we have a duplicate PR for exactly this case and Andre is working on
this.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
[Bug 53947] [meta-bug] vectorizer missed-optimizations