From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 39987385840D; Mon, 13 Dec 2021 08:22:48 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 39987385840D From: "tnfchris at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/103253] Unused COND_MUL isn't removed by DCE even with -fno-trapping-math Date: Mon, 13 Dec 2021 08:22:47 +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: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: tnfchris at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: tnfchris at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: priority short_desc keywords 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: Mon, 13 Dec 2021 08:22:48 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103253 Tamar Christina changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P1 |P3 Summary|[12 Regression] ICE: |Unused COND_MUL isn't |Segmentation fault (in |removed by DCE even with |convert_mult_to_fma or in |-fno-trapping-math |vect_recog_mask_conversion_ | |pattern) since | |r12-5129-g8ed62c929c7c4462 | Keywords|ice-on-valid-code |missed-optimization --- Comment #13 from Tamar Christina --- ICE is fixed, underlying problem needs some checking but no longer a P1 or a regression. Just a missed optimization.=