From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6BBE13858C27; Wed, 3 Aug 2022 03:03:21 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6BBE13858C27 From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/105653] [10/11/12/13 Regression] '-fcompare-debug' failure w/ -O2 Date: Wed, 03 Aug 2022 03:03:21 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: compare-debug-failure X-Bugzilla-Severity: normal X-Bugzilla-Who: asolokha at gmx 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: 10.5 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created 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, 03 Aug 2022 03:03:21 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105653 --- Comment #2 from Arseny Solokha --- Created attachment 53403 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53403&action=3Dedit A shorter testcase % aarch64-linux-gnu-g++-13.0.0 -O2 -fcompare-debug -fno-gcse -c wo91465u.cpp aarch64-linux-gnu-g++-13.0.0: error: wo91465u.cpp: '-fcompare-debug' failure (length) --- wo91465u.cpp.gkd 2022-08-03 10:02:59.526593546 +0700 +++ wo91465u.gk.cpp.gkd 2022-08-03 10:02:59.554593642 +0700 @@ -47,10 +47,7 @@ (zero_extend:DI (mem:SI (plus:DI (mult:DI (reg:DI 1 x1 [orig:96 D.= xxxx ] [96]) (const_int 4 [0x4])) (reg/f:DI 4 x4 [orig:93 _7 ] [93])) [ MEM[(int *)_7 + ivtmp.6_16 * 4]+0 S4 A32]))) "wo91465u.cpp":10:7# {*zero_extendsidi2_aarch6= 4} - (expr_list:REG_EQUIV (mem:SI (plus:DI (mult:DI (reg:DI 1 x1 [orig:96 D.xxxx ] [96]) - (const_int 4 [0x4])) - (reg/f:DI 4 x4 [orig:93 _7 ] [93])) [ MEM[(int *)_7 + ivtmp.6_16 * 4]+0 S4 A32]) - (nil))) + (nil)) (jump_insn:TI # 0 0 (set (pc) (if_then_else (eq (reg:SI 2 x2 [orig:104 MEM[(int *)_7 + ivtmp.6_1= 6 * 4] ] [104]) (const_int 0 [0]))=