From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 9469B39B5C1C; Thu, 10 Jun 2021 06:00:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9469B39B5C1C From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/101008] New: ICE: in native_encode_rtx, at simplify-rtx.c:6594 with -O -g Date: Thu, 10 Jun 2021 06:00:51 +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: 12.0 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: Thu, 10 Jun 2021 06:00:51 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101008 Bug ID: 101008 Summary: ICE: in native_encode_rtx, at simplify-rtx.c:6594 with -O -g Product: gcc Version: 12.0 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 50975 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D50975&action=3Dedit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O -g testcase.c=20 during RTL pass: expand testcase.c: In function 'foo': testcase.c:9:1: internal compiler error: in native_encode_rtx, at simplify-rtx.c:6594 9 | foo(void) | ^~~ 0x723dc0 native_encode_rtx(machine_mode, rtx_def*, vec&, unsigned int, unsigned int) /repo/gcc-trunk/gcc/simplify-rtx.c:6594 0x1065220 simplify_immed_subreg /repo/gcc-trunk/gcc/simplify-rtx.c:7034 0x1065220 simplify_context::simplify_subreg(machine_mode, rtx_def*, machine_mode, poly_int<1u, unsigned long>) /repo/gcc-trunk/gcc/simplify-rtx.c:7110 0x1066499 simplify_context::simplify_gen_subreg(machine_mode, rtx_def*, machine_mode, poly_int<1u, unsigned long>) /repo/gcc-trunk/gcc/simplify-rtx.c:7334 0xba5f1a simplify_gen_subreg(machine_mode, rtx_def*, machine_mode, poly_int= <1u, unsigned long>) /repo/gcc-trunk/gcc/rtl.h:3519 0xba5f1a expand_debug_expr /repo/gcc-trunk/gcc/cfgexpand.c:4823 0xba3d49 expand_debug_expr /repo/gcc-trunk/gcc/cfgexpand.c:5279 0xba3a54 expand_debug_expr /repo/gcc-trunk/gcc/cfgexpand.c:5238 0xba75f9 expand_debug_locations /repo/gcc-trunk/gcc/cfgexpand.c:5616 0xbafbdc execute /repo/gcc-trunk/gcc/cfgexpand.c:6785 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-amd64/bin/x86_64-pc-linux-gnu-g= cc COLLECT_LTO_WRAPPER=3D/repo/gcc-trunk/binary-trunk-r12-1353-20210609220850-= gf8b067056ba-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc= /x86_64-pc-linux-gnu/12.0.0/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 --disable-bootstrap --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-r12-1353-20210609220850-gf8b067056= ba-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.0 20210610 (experimental) (GCC)=