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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/96632] missed-optimization with conditionally
 unsetting bits in memory.
Date: Tue, 25 Aug 2020 10:26:21 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96632

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2020-08-25
          Component|target                      |rtl-optimization

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  A bit tricky to do I guess.  There's no representation on
GIMPLE we could use so it's left for RTL (unless we add bit
set/clear/flip-and-test internal functions).=