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Date:      Wed, 01 Jun 2022 21:46:47 +0000
From:      bugzilla-noreply@freebsd.org
To:        x11@FreeBSD.org
Subject:   [Bug 264394] Several ports can't build with CPUTYPE?=skylake-avx512 or CPUTYPE?=tigerlake - eat 1 CPU core forever
Message-ID:  <bug-264394-7141-t1cEUP3aGq@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-264394-7141@https.bugs.freebsd.org/bugzilla/>
References:  <bug-264394-7141@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D264394

--- Comment #4 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=3D592e876a422960a78938caa714f2263ff=
38eb87b

commit 592e876a422960a78938caa714f2263ff38eb87b
Author:     Dimitry Andric <dim@FreeBSD.org>
AuthorDate: 2022-06-01 21:43:18 +0000
Commit:     Dimitry Andric <dim@FreeBSD.org>
CommitDate: 2022-06-01 21:45:59 +0000

    Apply llvm fix for possible hangs with CPUTYPE=3Dskylake-avx512

    Merge commit e8305c0b8f49 from llvm git (by Simon Pilgrim)

        [X86] combineX86ShuffleChain - don't fold to truncate(concat(V1,V2)=
) if
it was already a PACK op

        Fixes #55050

    PR:             264394
    Reported by:    VVD <vvd@unislabs.com>
    MFC after:      3 days

 contrib/llvm-project/llvm/lib/Target/X86/X86ISelLowering.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--=20
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