From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 93DC13858C56; Thu, 21 Jul 2022 17:00:14 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 93DC13858C56 From: "seurer at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/106387] New: [13 regression] ICE when building gcc after r13-1764-g5f59d0f2d9fa92 Date: Thu, 21 Jul 2022 17:00:14 +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: 13.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: seurer 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 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: Thu, 21 Jul 2022 17:00:14 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106387 Bug ID: 106387 Summary: [13 regression] ICE when building gcc after r13-1764-g5f59d0f2d9fa92 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: seurer at gcc dot gnu.org Target Milestone: --- g:5f59d0f2d9fa921c04d75c39592e603cfa2b1324, r13-1764-g5f59d0f2d9fa92=20 This commit causes an ICE when building gcc on power 7 machines. It works = OK on power 8 BE and LE and beyond. /home/seurer/gcc/git/build/gcc-trunk/./gcc/xgcc -B/home/seurer/gcc/git/build/gcc-trunk/./gcc/ -B/home/seurer/gcc/git/install/gcc-trunk/powerpc64-unknown-linux-gnu/bin/ -B/home/seurer/gcc/git/install/gcc-trunk/powerpc64-unknown-linux-gnu/lib/ -isystem /home/seurer/gcc/git/install/gcc-trunk/powerpc64-unknown-linux-gnu/include -isystem /home/seurer/gcc/git/install/gcc-trunk/powerpc64-unknown-linux-gnu/sys-incl= ude=20 -g -O2 -m32 -O2 -g -O2 -DIN_GCC -W -Wall -Wno-narrowing -Wwrite-strin= gs -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition= =20 -isystem ./include -fPIC -mlong-double-128 -mno-minimal-toc -g -DIN_LIBGC= C2 -fbuilding-libgcc -fno-stack-protector -fPIC -mlong-double-128 -mno-minimal-toc -I. -I. -I../../.././gcc -I/home/seurer/gcc/git/gcc-trunk/libgcc -I/home/seurer/gcc/git/gcc-trunk/libgcc/. -I/home/seurer/gcc/git/gcc-trunk/libgcc/../gcc -I/home/seurer/gcc/git/gcc-trunk/libgcc/../include -I/home/seurer/gcc/git/gcc-trunk/libgcc/../libdecnumber/dpd -I/home/seurer/gcc/git/gcc-trunk/libgcc/../libdecnumber -DHAVE_CC_TLS -o decQuad.o -MT decQuad.o -MD -MP -MF decQuad.dep -c /home/seurer/gcc/git/gcc-trunk/libgcc/../libdecnumber/decQuad.c during GIMPLE pass: slp In file included from /home/seurer/gcc/git/gcc-trunk/libgcc/../libdecnumber/decQuad.h:92, from /home/seurer/gcc/git/gcc-trunk/libgcc/../libdecnumber/decQuad.c:33: /home/seurer/gcc/git/gcc-trunk/libgcc/../libdecnumber/decBasic.c: In functi= on '__decQuadAdd': /home/seurer/gcc/git/gcc-trunk/libgcc/../libdecnumber/decQuadSymbols.h:6:20: internal compiler error: tree check: expected ssa_name, have addr_expr in copy_ssa_name_fn, at tree-ssanames.cc:710 6 | #define decQuadAdd __decQuadAdd | ^~~~~~~~~~~~ /home/seurer/gcc/git/gcc-trunk/libgcc/../libdecnumber/decQuad.c:76:36: note= : in expansion of macro 'decQuadAdd' 76 | #define decFloatAdd decQuadAdd | ^~~~~~~~~~ /home/seurer/gcc/git/gcc-trunk/libgcc/../libdecnumber/decBasic.c:1112:12: n= ote: in expansion of macro 'decFloatAdd' 1112 | decFloat * decFloatAdd(decFloat *result, | ^~~~~~~~~~~ 0x10268063 tree_check_failed(tree_node const*, char const*, int, char const= *, ...) /home/seurer/gcc/git/gcc-trunk/gcc/tree.cc:8817 0x10f65417 tree_check(tree_node*, char const*, int, char const*, tree_code) /home/seurer/gcc/git/gcc-trunk/gcc/tree.h:3508 0x10f65417 copy_ssa_name_fn(function*, tree_node*, gimple*) /home/seurer/gcc/git/gcc-trunk/gcc/tree-ssanames.cc:710 0x11de4b0b copy_ssa_name /home/seurer/gcc/git/gcc-trunk/gcc/tree-ssanames.h:106 0x11de4b0b vectorizable_load /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-stmts.cc:10020 0x11df5b6b vect_transform_stmt(vec_info*, _stmt_vec_info*, gimple_stmt_iterator*, _slp_tree*, _slp_instance*) /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-stmts.cc:11332 0x10fcdc17 vect_schedule_slp_node /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-slp.cc:7438 0x10fcdc17 vect_schedule_slp_node /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-slp.cc:7252 0x10fe3083 vect_schedule_scc /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-slp.cc:7633 0x10fe2e63 vect_schedule_scc /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-slp.cc:7614 0x10fe2e63 vect_schedule_scc /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-slp.cc:7614 0x10fe385b vect_schedule_slp(vec_info*, vec<_slp_instance*, va_heap, vl_ptr> const&) /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-slp.cc:7750 0x10fe576f vect_slp_region /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-slp.cc:6056 0x10fe6777 vect_slp_bbs /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-slp.cc:6168 0x10fe6dd3 vect_slp_function(function*) /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-slp.cc:6256 0x10ff4327 execute /home/seurer/gcc/git/gcc-trunk/gcc/tree-vectorizer.cc:1532 commit 5f59d0f2d9fa921c04d75c39592e603cfa2b1324 Author: Richard Biener Date: Wed Jul 20 11:02:03 2022 +0200 Improve SLP codegen, avoiding unnecessary TREE_ADDRESSABLE The following adjusts vectorizer code generation to avoid splitting out address increments for invariant addresses which causes objects to get TREE_ADDRESSABLE when not necessary. * tree-vect-data-refs.cc (bump_vector_ptr): Return an invariant updated address when the input was invariant.=