From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D4C393858294; Wed, 1 May 2024 19:12:10 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D4C393858294 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1714590730; bh=/6xc08RiE/ME7aM3QaGbeI4mP3PEQrTtccQEr4tvT/U=; h=From:To:Subject:Date:From; b=IawW7oPCV9UGSf/YYpODFZWDv6yMPjEGWV2oWi1DQdNdPhWXyCNBYDWcqm8pH7Pee SOesXfBINKMIwZSoVlnJPG3Xgf5mQn5vah/MKFt7YfdGd4OvWUhBtwwM8SOx5PqUkJ bXMui+z4RvsCmFmLyEtwyurUTZBED9np0hn0GUmE= From: "ro at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/114912] New: [15 regression] SIGBUS in wi::copy<> on SPARC Date: Wed, 01 May 2024 19:12:09 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 15.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ro at gcc dot gnu.org 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 cc target_milestone cf_gcctarget 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114912 Bug ID: 114912 Summary: [15 regression] SIGBUS in wi::copy<> on SPARC Product: gcc Version: 15.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: ro at gcc dot gnu.org CC: aldyh at gcc dot gnu.org Target Milestone: --- Target: sparc-sun-solaris2.11 Between 20240430 (0b2735e0797fee9b4ec5cd74f22afe0483f888dd) and 20240501 (c3bc2787b8beb7aae67fdf2a7f7271a9a4edca7c), Solaris/SPARC bootstrap began to fail with a SIGBUS in cc1 compiling stage 1 libgcc. E.g. /var/gcc/reghunt/sigbus-range/288807/./gcc/xgcc -B/var/gcc/reghunt/sigbus-range/288807/./gcc/ -B/usr/local/sparc-sun-solaris2.11/bin/ -B/usr/local/sparc-sun-solaris2.11/= lib/ -isystem /usr/local/sparc-sun-solaris2.11/include -isystem /usr/local/sparc-sun-solaris2.11/sys-include -g -O2 -O2 -g -O2 -DIN_GCC= =20=20 -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fPIC -I. -I. -I../.././gcc -I/var/gcc/reghunt/master/libgcc -I/var/gcc/reghunt/master/libgcc/. -I/var/gcc/reghunt/master/libgcc/../gcc -I/var/gcc/reghunt/master/libgcc/../include -o _muldi3.o -MT _muldi3.o = -MD -MP -MF _muldi3.dep -DL_muldi3 -c /var/gcc/reghunt/master/libgcc/libgcc2.c -fvisibility=3Dhidden -DHIDE_EXPORTS during GIMPLE pass: evrp /var/gcc/reghunt/master/libgcc/libgcc2.c: In function =E2=80=98__muldi3=E2= =80=99: /var/gcc/reghunt/master/libgcc/libgcc2.c:538:1: internal compiler error: Bus Error 538 | } | ^ 0xf26783 crash_signal /var/gcc/reghunt/master/gcc/toplev.cc:319 0x723e58 void wi::copy > >(wide_int_storage&, generic_wide_int > const&) /var/gcc/reghunt/master/gcc/wide-int.h:2191 0x723e58 wide_int_storage& wide_int_storage::operator=3D(wi::hwi_with_prec const&) /var/gcc/reghunt/master/gcc/wide-int.h:1247 0x723e58 generic_wide_int& generic_wide_int::operator=3D(wi::hwi_= with_prec const&) /var/gcc/reghunt/master/gcc/wide-int.h:1002 0x723e58 irange_bitmask::set_unknown(unsigned int) /var/gcc/reghunt/master/gcc/value-range.h:163 0x723e58 irange::set_varying(tree_node*) /var/gcc/reghunt/master/gcc/value-range.h:1067 0x13680db gimple_range_global(vrange&, tree_node*, function*) /var/gcc/reghunt/master/gcc/value-query.cc:419 0x136954f global_range_query::range_of_expr(vrange&, tree_node*, gimple*) /var/gcc/reghunt/master/gcc/value-query.cc:436 0x1ad000b fur_stmt::get_operand(vrange&, tree_node*) /var/gcc/reghunt/master/gcc/gimple-range-fold.cc:162 0x1ad5edb fold_using_range::range_of_range_op(vrange&, gimple_range_op_handler&, fur_source&) /var/gcc/reghunt/master/gcc/gimple-range-fold.cc:673 0x1ad831f fold_using_range::fold_stmt(vrange&, gimple*, fur_source&, tree_node*) /var/gcc/reghunt/master/gcc/gimple-range-fold.cc:604 0x1ad8927 fold_range(vrange&, gimple*, range_query*) /var/gcc/reghunt/master/gcc/gimple-range-fold.cc:324 0x1ac8727 ranger_cache::get_global_range(vrange&, tree_node*, bool&) /var/gcc/reghunt/master/gcc/gimple-range-cache.cc:1054 0x1abefaf gimple_ranger::range_of_stmt(vrange&, gimple*, tree_node*) /var/gcc/reghunt/master/gcc/gimple-range.cc:323 0x1367d2f range_query::value_of_stmt(gimple*, tree_node*) /var/gcc/reghunt/master/gcc/value-query.cc:133 0x1315c3f rvrp_folder::value_of_stmt(gimple*, tree_node*) /var/gcc/reghunt/master/gcc/tree-vrp.cc:1001 0x11ab12f substitute_and_fold_dom_walker::before_dom_children(basic_block_d= ef*) /var/gcc/reghunt/master/gcc/tree-ssa-propagate.cc:820 0x1a4df83 dom_walker::walk(basic_block_def*) /var/gcc/reghunt/master/gcc/domwalk.cc:311 0x11a9d07 substitute_and_fold_engine::substitute_and_fold(basic_block_def*) /var/gcc/reghunt/master/gcc/tree-ssa-propagate.cc:999 0x13132f7 execute_ranger_vrp(function*, bool, bool) /var/gcc/reghunt/master/gcc/tree-vrp.cc:1066 A reghunt identified commit c60b3e211c555706cdc2dc8bfcdd540152cff350 Author: Aldy Hernandez Date: Tue Apr 30 19:39:00 2024 +0200 Reduce startup costs for Value_Range. as the culprit.=