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From: "lili.cui at intel dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/105493] New: [12/13 Regression] x86_64 538.imagick_r 6%
 regressions and 2% 525.x264_r regressions on Alder Lake after
 r12-7319-g90d693bdc9d718
Date: Thu, 05 May 2022 12:04:39 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105493

            Bug ID: 105493
           Summary: [12/13 Regression] x86_64 538.imagick_r 6% regressions
                    and 2% 525.x264_r regressions on Alder Lake after
                    r12-7319-g90d693bdc9d718
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: lili.cui at intel dot com
  Target Milestone: ---

Similar issue with https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104762
they are all caused by the same commit 90d693bdc9d71841f51d68826ffa5bd685d7=
f0bc

options: -march=3Dnative -Ofast -lto

Alder Lake single copy:

            after Vs. before this commit
525.x264_r           -9.09%
538.imagick_r        -25.00%

Alder Lake multicopy:

            after Vs. before this commit
525.x264_r           -2.00%
538.imagick_r        -6.7%=