From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 26B9D3850401; Wed, 24 Mar 2021 16:49:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 26B9D3850401 From: "tnfchris at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/99746] [11 Regression] ICE in vect_get_vec_defs_for_operand, at tree-vect-stmts.c:1450 Date: Wed, 24 Mar 2021 16:49:50 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: tnfchris at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: tnfchris at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Mar 2021 16:49:51 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99746 --- Comment #13 from Tamar Christina --- (In reply to Arseny Solokha from comment #10) > (In reply to Tamar Christina from comment #9) > > I wonder if whatever you're compiling is open source. I'd love to fix = some > > of these cases properly in GCC 12. >=20 > These Fortran snippets I've been filing this week are from SCALAPACK 2.0.2 > as found on Netlib[1]. >=20 > [1] https://www.netlib.org/scalapack Thanks! This looks like a useful target to improve this with in GCC 12. Bu= t am I missing an option here?: CC=3D~/gcc-base/install/bin/gcc \ FC=3D~/gcc-base/install/bin/gfortran \ CXX=3D~/gcc-base/install/bin/g++ \ CFLAGS=3D"-march=3Darmv8.3-a -ftree-vectorize -O2" \ CXXFLAGS=3D"-march=3Darmv8.3-a -ftree-vectorize -O2" \ FFLAGS=3D"-march=3Darmv8.3-a -ftree-vectorize -O2" \ cmake .. && make -j I can't seem to get it to trigger the crash (or even detect the pattern).=