From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A4F333848431; Wed, 9 Jun 2021 14:23:37 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A4F333848431 From: "avieira at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/100981] ICE in info_for_reduction, at tree-vect-loop.c:4897 Date: Wed, 09 Jun 2021 14:23:37 +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: 12.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: avieira at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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, 09 Jun 2021 14:23:37 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100981 --- Comment #6 from avieira at gcc dot gnu.org --- FYI Tamar asked me to make sure the instructions were being generated. I checked and they were, but not being used as it decides to inline MAIN__ and inlining seems to break (as in not apply/missed oppurtunity) the complex optimization. So for this specific test I'd use -fno-inline, it executes the fcmla instructions that way and it runs fine.=