From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 221533858C60; Mon, 3 Jan 2022 05:32:30 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 221533858C60 From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/103894] New: ICE: in emit_move_multi_word, at expr.c:3870 with -mno-sse2 Date: Mon, 03 Jan 2022 05:32:29 +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: 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: Mon, 03 Jan 2022 05:32:30 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103894 Bug ID: 103894 Summary: ICE: in emit_move_multi_word, at expr.c:3870 with -mno-sse2 Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target 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 52110 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D52110&action=3Dedit reduced testcase This seems to be a recent regression. Compiler output: $ x86_64-pc-linux-gnu-gcc -mno-sse2 testcase.c=20 during RTL pass: reload testcase.c: In function 'foo': testcase.c:9:1: internal compiler error: in emit_move_multi_word, at expr.c:3870 9 | } | ^ 0x6c6c3b emit_move_multi_word /repo/gcc-trunk/gcc/expr.c:3870 0xfa3d0b gen_move_insn(rtx_def*, rtx_def*) /repo/gcc-trunk/gcc/expr.c:4145 0x11ade8d curr_insn_transform /repo/gcc-trunk/gcc/lra-constraints.c:4214 0x11af026 lra_constraints(bool) /repo/gcc-trunk/gcc/lra-constraints.c:5161 0x1199994 lra(_IO_FILE*) /repo/gcc-trunk/gcc/lra.c:2336 0x114c429 do_reload /repo/gcc-trunk/gcc/ira.c:5932 0x114c429 execute /repo/gcc-trunk/gcc/ira.c:6118 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-r12-6173-20220102211314-= g9ff206d3865-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-l= inux-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 --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-r12-6173-20220102211314-g9ff206d38= 65-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.0 20220102 (experimental) (GCC)=