From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id A352D3858413; Fri, 25 Feb 2022 12:47:53 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A352D3858413
From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/104686] [12 Regression] Huge compile-time regression
 building SPEC 2017 538.imagick_r with -march=skylake
Date: Fri, 25 Feb 2022 12:47:53 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 12.0
X-Bugzilla-Keywords: compile-time-hog, ra
X-Bugzilla-Severity: normal
X-Bugzilla-Who: marxin at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 12.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: cc
Message-ID: <bug-104686-4-Ur2rojMXbh@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-104686-4@http.gcc.gnu.org/bugzilla/>
References: <bug-104686-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Fri, 25 Feb 2022 12:47:53 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104686

Martin Li=C5=A1ka <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |crazylht at gmail dot com

--- Comment #8 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
(In reply to Martin Li=C5=A1ka from comment #7)
> (In reply to Richard Biener from comment #6)
> > Both revisions affect vectorizer cost modeling only.  With
> > -fno-vect-cost-model it compiles faster for me but still a slow 30s and=
 91%
> > in RA.
>=20
> There are numbers with -fno-vect-cost-model:
>=20
> Bisecting latest revisions
>   a9e2ebe839d56416(24 Feb 2022 22:16)(oliva@adacore.com): [took: 36.06 s]
> result: OK
>   250f234988b62316(20 Apr 2021 09:51)(stefansf@linux.ibm.com): [took: 18.=
35
> s] result: OK
>=20
> I'm going to find out where the change happensed.

Which started with r12-2463-ga6291d88d5b6c17d.=