From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D4BEC3853828; Mon, 9 Aug 2021 21:02:17 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D4BEC3853828 From: "amacleod at redhat dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/101755] [12 regression] gcc.target/arm/reg_equal_test.c fails on arm since r12-2637 Date: Mon, 09 Aug 2021 21:02:17 +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: X-Bugzilla-Severity: normal X-Bugzilla-Who: amacleod at redhat dot com 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: 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, 09 Aug 2021 21:02:18 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101755 --- Comment #1 from Andrew Macleod --- What is that suppose to test? The range ecosystem has gotten smarter and we basically fold that function = away to return 0 now. between EVRP, VRP and threading, you'd have to turn off a= lot of optimizations to return to the original state.. I can't find a sequence.=