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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/98856] New: [11 Regression] botan AES-128/XTS
 is slower by ~17% since
 r11-6649-g285fa338b06b804e72997c4d876ecf08a9c083af
Date: Wed, 27 Jan 2021 14:28:25 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98856

            Bug ID: 98856
           Summary: [11 Regression] botan AES-128/XTS is slower by ~17%
                    since
                    r11-6649-g285fa338b06b804e72997c4d876ecf08a9c083af
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: rguenth at gcc dot gnu.org
  Target Milestone: ---

Since the revision the following is slower:

$ make clean && ./configure.py --cxxflags=3D"-Ofast -march=3Dznver2 -fno-ch=
ecking"
&& make -j16 && ./botan speed AES-128/XTS

as seen here:
https://lnt.opensuse.org/db_default/v4/CPP/graph?plot.0=3D226.721.1&plot.1=
=3D14.721.1&=