From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 934A0393A410; Mon, 1 Mar 2021 17:15:05 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 934A0393A410 From: "qinzhao at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/99328] New: ICE: in verify_target_availability, at sel-sched.c:1557 with -fselective-scheduling2 on aarch64 Date: Mon, 01 Mar 2021 17:15:05 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: qinzhao at gcc dot gnu.org 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 bug_severity priority component assigned_to reporter target_milestone 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, 01 Mar 2021 17:15:05 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99328 Bug ID: 99328 Summary: ICE: in verify_target_availability, at sel-sched.c:1557 with -fselective-scheduling2 on aarch64 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: qinzhao at gcc dot gnu.org Target Milestone: --- gcc11 has the following ICE: $ cat t.c long a; double b, c; double fn1(double); void fn2(long *); void fn3(int p1) { fn2(&a); if (fn1(0) >=3D p1) b =3D c; } $ sh t /data1/qing/Install/latest/bin/gcc -fprofile-generate -Ofast -fselective-scheduling -fselective-scheduling2 -c -o t.o t.c during RTL pass: sched2 t.c: In function 'fn3': t.c:9:1: internal compiler error: in verify_target_availability, at sel-sched.c:1557 9 | } | ^ 0xd86fbb verify_target_availability ../../latest_gcc/gcc/sel-sched.c:1553 0xd86fbb find_best_reg_for_expr ../../latest_gcc/gcc/sel-sched.c:1667 0xd89f33 fill_vec_av_set ../../latest_gcc/gcc/sel-sched.c:3784 0xd89f33 fill_ready_list ../../latest_gcc/gcc/sel-sched.c:4014 0xd89f33 find_best_expr ../../latest_gcc/gcc/sel-sched.c:4374 0xd89f33 fill_insns ../../latest_gcc/gcc/sel-sched.c:5535 0xd8ba17 schedule_on_fences ../../latest_gcc/gcc/sel-sched.c:7353 0xd8ba17 sel_sched_region_2 ../../latest_gcc/gcc/sel-sched.c:7491 0xd8c517 sel_sched_region_1 ../../latest_gcc/gcc/sel-sched.c:7533 0xd8e573 sel_sched_region(int) ../../latest_gcc/gcc/sel-sched.c:7634 0xd8f1b7 run_selective_scheduling() ../../latest_gcc/gcc/sel-sched.c:7720 0xd6a32f rest_of_handle_sched2 ../../latest_gcc/gcc/sched-rgn.c:3738 0xd6a32f execute ../../latest_gcc/gcc/sched-rgn.c:3882 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. this is a reduced testing case from CPU2017 511.povray. gcc10 has the same issue.=