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From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/98381] [11 Regression] Wrong code with -O3
 -march=skylake-avx512 by r11-3072
Date: Sat, 19 Dec 2020 14:18:15 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98381

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rguenther at suse dot de
   Last reconfirmed|                            |2020-12-19
            Summary|Wrong code with -O3         |[11 Regression] Wrong code
                   |-march=3Dskylake-avx512       |with -O3
                   |                            |-march=3Dskylake-avx512 by
                   |                            |r11-3072
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
   Target Milestone|---                         |11.0

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
It is caused by r11-3072.=