From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 51005385782C; Mon, 22 Mar 2021 09:16:48 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 51005385782C From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/99706] New: [11 Regression] ICE: maximum number of generated reload insns per insn achieved (90) Date: Mon, 22 Mar 2021 09:16:48 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: ice-on-valid-code 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: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status keywords bug_severity priority component assigned_to reporter target_milestone cf_gcctarget Message-ID: 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, 22 Mar 2021 09:16:48 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99706 Bug ID: 99706 Summary: [11 Regression] ICE: maximum number of generated reload insns per insn achieved (90) Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: aarch64-linux-gnu gcc-11.0.1-alpha20210321 snapshot (g:fc24ea2374259d401a46ce3526688b7e79d4cc= 13) ICEs when compiling the following testcase w/ -O2 -ftree-loop-vectorize -fno-tree-pta --param scev-max-expr-size=3D5: int kk; void ii (int BUFSIZE) { char buf[BUFSIZE], *ptr =3D buf; int i; for (i =3D 0; i < BUFSIZE; i++) *ptr++ =3D kk =3D 0; } % aarch64-linux-gnu-gcc-11.0.1 -O2 -ftree-loop-vectorize -fno-tree-pta --pa= ram scev-max-expr-size=3D5 -c oeplxogh.c during RTL pass: reload oeplxogh.c: In function 'ii': oeplxogh.c:11:1: internal compiler error: maximum number of generated reload insns per insn achieved (90) 11 | } | ^ 0xd42ab0 lra_constraints(bool) =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210321/work/gcc-= 11-20210321/gcc/lra-constraints.c:5091 0xd2b3e5 lra(_IO_FILE*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210321/work/gcc-= 11-20210321/gcc/lra.c:2336 0xce15c4 do_reload =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210321/work/gcc-= 11-20210321/gcc/ira.c:5834 0xce15c4 execute =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210321/work/gcc-= 11-20210321/gcc/ira.c:6020 I believe it is different from PR97141.=