From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 7979A388E838; Wed, 9 Jun 2021 07:14:20 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7979A388E838 From: "rguenther at suse dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/25290] PHI-OPT could be rewritten so that is uses match Date: Wed, 09 Jun 2021 07:14:20 +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: 4.2.0 X-Bugzilla-Keywords: missed-optimization, patch X-Bugzilla-Severity: enhancement X-Bugzilla-Who: rguenther at suse dot de X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: pinskia 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 07:14:20 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D25290 --- Comment #23 from rguenther at suse dot de --- On Tue, 8 Jun 2021, pinskia at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D25290 >=20 > --- Comment #22 from Andrew Pinski --- > * minmax_replacement: has some handling of comparisions which might not b= e in > the match.pd patterns already. needs PROP_gimple_lswitch also. Yeah, this is also fold-const.c COND_EXPR simplifications using fold_cond_expr_with_comparison (to ABS/MIN/MAX) which are not yet moved to match.pd and are one reason why fold_gimple_assign still dispatches to fold_ternary_loc ... (it shouldn't).=