From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 8EBC43856DCD; Thu, 21 Apr 2022 10:47:04 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8EBC43856DCD From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/105333] New: [10/11/12 Regression] ICE: in simplify_subreg, at simplify-rtx.cc:7346 with -Og -fno-tree-coalesce-vars -fno-tree-fre Date: Thu, 21 Apr 2022 10:47:04 +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 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, 21 Apr 2022 10:47:04 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105333 Bug ID: 105333 Summary: [10/11/12 Regression] ICE: in simplify_subreg, at simplify-rtx.cc:7346 with -Og -fno-tree-coalesce-vars -fno-tree-fre 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 Created attachment 52845 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D52845&action=3Dedit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -Og -fno-tree-coalesce-vars -fno-tree-fre testcas= e.c=20 during RTL pass: combine testcase.c: In function 'foo': testcase.c:17:1: internal compiler error: in simplify_subreg, at simplify-rtx.cc:7346 17 | } | ^ 0x78410d simplify_context::simplify_subreg(machine_mode, rtx_def*, machine_mode, poly_int<1u, unsigned long>) /repo/gcc-trunk/gcc/simplify-rtx.cc:7346 0x136f624 simplify_context::simplify_subreg(machine_mode, rtx_def*, machine_mode, poly_int<1u, unsigned long>) /repo/gcc-trunk/gcc/simplify-rtx.cc:7444 0x1370958 simplify_context::simplify_gen_subreg(machine_mode, rtx_def*, machine_mode, poly_int<1u, unsigned long>) /repo/gcc-trunk/gcc/simplify-rtx.cc:7624 0xf6dbed lowpart_subreg(machine_mode, rtx_def*, machine_mode) /repo/gcc-trunk/gcc/rtl.h:3547 0xf6dbed gen_lowpart_common(machine_mode, rtx_def*) /repo/gcc-trunk/gcc/emit-rtl.cc:1617 0x22914bb gen_lowpart_for_combine /repo/gcc-trunk/gcc/combine.cc:11682 0x136ad76 simplify_context::simplify_unary_operation_1(rtx_code, machine_mo= de, rtx_def*) /repo/gcc-trunk/gcc/simplify-rtx.cc:1243 0x136e44f simplify_context::simplify_unary_operation(rtx_code, machine_mode, rtx_def*, machine_mode) /repo/gcc-trunk/gcc/simplify-rtx.cc:893 0x136e44f simplify_context::simplify_gen_unary(rtx_code, machine_mode, rtx_def*, machine_mode) /repo/gcc-trunk/gcc/simplify-rtx.cc:360 0x136aaf0 simplify_context::simplify_unary_operation_1(rtx_code, machine_mo= de, rtx_def*) /repo/gcc-trunk/gcc/simplify-rtx.cc:1232 0x136e44f simplify_context::simplify_unary_operation(rtx_code, machine_mode, rtx_def*, machine_mode) /repo/gcc-trunk/gcc/simplify-rtx.cc:893 0x136e44f simplify_context::simplify_gen_unary(rtx_code, machine_mode, rtx_def*, machine_mode) /repo/gcc-trunk/gcc/simplify-rtx.cc:360 0x136e5f8 simplify_context::simplify_truncation(machine_mode, rtx_def*, machine_mode) /repo/gcc-trunk/gcc/simplify-rtx.cc:652 0x136fb0e simplify_context::simplify_subreg(machine_mode, rtx_def*, machine_mode, poly_int<1u, unsigned long>) /repo/gcc-trunk/gcc/simplify-rtx.cc:7595 0x1370958 simplify_context::simplify_gen_subreg(machine_mode, rtx_def*, machine_mode, poly_int<1u, unsigned long>) /repo/gcc-trunk/gcc/simplify-rtx.cc:7624 0x2291531 lowpart_subreg(machine_mode, rtx_def*, machine_mode) /repo/gcc-trunk/gcc/rtl.h:3547 0x2291531 gen_lowpart_for_combine /repo/gcc-trunk/gcc/combine.cc:11726 0x2288ee4 if_then_else_cond /repo/gcc-trunk/gcc/combine.cc:9357 0x2288fe5 if_then_else_cond /repo/gcc-trunk/gcc/combine.cc:9207 0x2288fe5 if_then_else_cond /repo/gcc-trunk/gcc/combine.cc:9207 Please submit a full bug report, with preprocessed source (by using -freport-bug). 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-r12-8210-20220420174944-= g6a4e9934545-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-l= inux-gnu/12.0.1/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-r12-8210-20220420174944-g6a4e99345= 45-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.1 20220421 (experimental) (GCC)=