From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 41DF23858C3A; Tue, 12 Oct 2021 01:45:21 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 41DF23858C3A From: "vsevolod.livinskij at frtk dot ru" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/102696] New: ICE in vect_build_slp_tree, at tree-vect-slp.c:1551 for skylake-avx512 and icelake-server Date: Tue, 12 Oct 2021 01:45:21 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: vsevolod.livinskij at frtk dot ru 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 bug_severity priority component assigned_to reporter target_milestone 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, 12 Oct 2021 01:45:21 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102696 Bug ID: 102696 Summary: ICE in vect_build_slp_tree, at tree-vect-slp.c:1551 for skylake-avx512 and icelake-server Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: vsevolod.livinskij at frtk dot ru Target Milestone: --- Link to the Compiler Explorer: https://godbolt.org/z/WhYP35KKT Reproducer: int a; extern bool b[][14]; char h; void f(short g[][14]) { for (short d =3D h; d < 21; d +=3D 1) for (unsigned char e =3D 0; e < 14; e +=3D 1) { a =3D 0; b[d][e] =3D g[d][e]; } } Error: >$ g++ -c -O3 -march=3Dskylake-avx512 func.cpp during GIMPLE pass: slp func.cpp: In function 'void f(short int (*)[14])': func.cpp:4:6: internal compiler error: in vect_build_slp_tree, at tree-vect-slp.c:1551 4 | void f(short g[][14]) { | ^ 0x153e92a vect_build_slp_tree /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:1551 0x153ee59 vect_build_slp_tree_2 /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:2199 0x153e41c vect_build_slp_tree /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:1532 0x153ee59 vect_build_slp_tree_2 /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:2199 0x153e41c vect_build_slp_tree /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:1532 0x153ee59 vect_build_slp_tree_2 /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:2199 0x153e41c vect_build_slp_tree /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:1532 0x153ee59 vect_build_slp_tree_2 /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:2199 0x153e41c vect_build_slp_tree /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:1532 0x1543ac2 vect_build_slp_instance /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:3012 0x1544d35 vect_analyze_slp_instance /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:3332 0x1543d96 vect_build_slp_instance /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:3230 0x1544d35 vect_analyze_slp_instance /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:3332 0x1543d96 vect_build_slp_instance /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:3230 0x1544d35 vect_analyze_slp_instance /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:3332 0x154979a vect_analyze_slp(vec_info*, unsigned int) /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:3365 0x154d316 vect_slp_analyze_bb_1 /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:5746 0x154d316 vect_slp_region /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:5848 0x154f495 vect_slp_bbs /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:6040 0x154f799 vect_slp_function(function*) /testing/gcc/gcc_src_master/gcc/tree-vect-slp.c:6128 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. root@86380205c3f4:/testing/result/S_3142105512/reduce# g++ -v Using built-in specs. COLLECT_GCC=3Dg++ COLLECT_LTO_WRAPPER=3D/testing/gcc/bin_master/libexec/gcc/x86_64-pc-linux-g= nu/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /testing/gcc/gcc_src_master/configure --enable-multilib --prefix=3D/testing/gcc/bin_master --disable-bootstrap Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20211011 (30cce6f65a77b8eaa22f3efff7f1ba54858106f9) (GCC= )=