From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D5A42385042C; Tue, 10 Nov 2020 11:06:50 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D5A42385042C From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/97777] New: ICE: in df_refs_verify, at df-scan.c:3991 with -O -ffinite-math-only -fzero-call-used-regs=all Date: Tue, 10 Nov 2020 11:06:50 +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: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: zsojka at seznam dot cz 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_gcchost cf_gcctarget attachments.created 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: Tue, 10 Nov 2020 11:06:50 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97777 Bug ID: 97777 Summary: ICE: in df_refs_verify, at df-scan.c:3991 with -O -ffinite-math-only -fzero-call-used-regs=3Dall Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 49537 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D49537&action=3Dedit reduced testcase The compiler is configured with --enable-checking=3Dyes,rtl,df,extra Compiler output: $ x86_64-pc-linux-gnu-gcc -O -ffinite-math-only -fzero-call-used-regs=3Dall testcase.c during RTL pass: zero_call_used_regs testcase.c: In function 'foo': testcase.c:5:1: internal compiler error: in df_refs_verify, at df-scan.c:39= 91 5 | } | ^ 0x63bf73 df_refs_verify /repo/gcc-trunk/gcc/df-scan.c:3991 0xbd44a6 df_insn_refs_verify /repo/gcc-trunk/gcc/df-scan.c:4074 0xbd644c df_bb_verify /repo/gcc-trunk/gcc/df-scan.c:4107 0xbd6807 df_scan_verify() /repo/gcc-trunk/gcc/df-scan.c:4228 0xbc0757 df_verify() /repo/gcc-trunk/gcc/df-core.c:1818 0xbc0757 df_analyze_1 /repo/gcc-trunk/gcc/df-core.c:1214 0xce77ec execute /repo/gcc-trunk/gcc/function.c:6656 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=3D/repo/gcc-trunk/binary-latest/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=3D/repo/gcc-trunk/binary-trunk-r11-4863-20201110102300-= gfb54c3032b8-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-l= inux-gnu/11.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=3Dc,c++ --enable-valgrind-annotations --disable-nls --enable-checking=3Dyes,rtl,df,= extra --with-cloog --with-ppl --with-isl --build=3Dx86_64-pc-linux-gnu --host=3Dx86_64-pc-linux-gnu --target=3Dx86_64-pc-linux-gnu --with-ld=3D/usr/bin/x86_64-pc-linux-gnu-ld --with-as=3D/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=3D/repo/gcc-trunk//binary-trunk-r11-4863-20201110102300-gfb54c3032= b8-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 11.0.0 20201110 (experimental) (GCC)=