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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/110935] Missed BB reduction vectorization
 because of missed eliding of a permute
Date: Sun, 21 Jan 2024 02:00:26 +0000
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X-Bugzilla-Component: tree-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110935

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2024-01-21
     Ever confirmed|0                           |1
                 CC|                            |pinskia at gcc dot gnu.org
             Status|UNCONFIRMED                 |NEW

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.  I noticed the PERM issue when I was working on adding V4HI supp=
ort
to the aarch64 backend.  I had to add PERM support for V4HI but it was not
obvious at the time why. This explains it.=