From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 4B6123A07014; Mon, 12 Apr 2021 09:00:48 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4B6123A07014 From: "acoplan at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/99328] ICE: in verify_target_availability, at sel-sched.c:1557 with -fselective-scheduling2 on aarch64 Date: Mon, 12 Apr 2021 09:00:48 +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: 11.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: acoplan at gcc dot gnu.org 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: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: everconfirmed cc bug_status cf_reconfirmed_on 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, 12 Apr 2021 09:00:48 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99328 Alex Coplan changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 CC| |acoplan at gcc dot gnu.org Status|UNCONFIRMED |NEW Last reconfirmed| |2021-04-12 --- Comment #1 from Alex Coplan --- Confirmed. Here's a testcase that ICEs with some different options: $ cat test.cc int a, d; long b; char c; long *e; char *f; void g() { for (short h =3D 0; h < 24; h +=3D 4) while (d) while (b) while (1) for (bool i; i < 1; i +=3D c) for (; f[h]; a =3D e[h]) ; } $ aarch64-linux-gnu-gcc -c test.cc -O2 -fsanitize=3Dundefined -mtune=3Docte= ontx2t93 -fselective-scheduling2 -fsel-sched-pipelining during RTL pass: sched2 test.cc: In function =E2=80=98void g()=E2=80=99: test.cc:14:1: internal compiler error: in verify_target_availability, at sel-sched.c:1557 14 | } | ^ 0x1063ed9 verify_target_availability /home/alecop01/toolchain/src/gcc/gcc/sel-sched.c:1553 0x1063ed9 find_best_reg_for_expr /home/alecop01/toolchain/src/gcc/gcc/sel-sched.c:1667 0x1063ed9 fill_vec_av_set /home/alecop01/toolchain/src/gcc/gcc/sel-sched.c:3784 0x1066c06 fill_ready_list /home/alecop01/toolchain/src/gcc/gcc/sel-sched.c:4014 0x1066c06 find_best_expr /home/alecop01/toolchain/src/gcc/gcc/sel-sched.c:4374 0x1066c06 fill_insns /home/alecop01/toolchain/src/gcc/gcc/sel-sched.c:5535 0x1066c06 schedule_on_fences /home/alecop01/toolchain/src/gcc/gcc/sel-sched.c:7353 0x1066c06 sel_sched_region_2 /home/alecop01/toolchain/src/gcc/gcc/sel-sched.c:7491 0x1069b3c sel_sched_region_1 /home/alecop01/toolchain/src/gcc/gcc/sel-sched.c:7533 0x106a463 sel_sched_region(int) /home/alecop01/toolchain/src/gcc/gcc/sel-sched.c:7634 0x106ba03 run_selective_scheduling() /home/alecop01/toolchain/src/gcc/gcc/sel-sched.c:7720 0x1046150 rest_of_handle_sched2 /home/alecop01/toolchain/src/gcc/gcc/sched-rgn.c:3738 0x1046150 execute /home/alecop01/toolchain/src/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.=