From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 05A5F3858C3A; Sat, 5 Feb 2022 08:07:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 05A5F3858C3A From: "vital.had at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/104117] [9,10,11,12 Regression] Darwin ppc64 uses invalid non-PIC address to access constants (in PIC code). Date: Sat, 05 Feb 2022 08:06:59 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 10.3.0 X-Bugzilla-Keywords: link-failure, ra, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: vital.had at gmail dot com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 10.4 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: Sat, 05 Feb 2022 08:07:00 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104117 --- Comment #14 from Sergey Fedorov --- (In reply to Vladimir Makarov from comment #13) > I think there are two code spots whose pitfalls resulted in the PR. >=20 > The first one is in rs6000.cc::legitimate_lo_sum_address_p which permits > wrong pic low-sum address. >=20 > Another one is in lra-constraints.cc::process_address_1 which permits put > wrong low-sum address in reg and use the reg in memory. >=20 > The following patch solves the problem: Does this also address Bug 104118? https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104118=