From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 674BA38708D9; Wed, 24 Feb 2021 16:51:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 674BA38708D9 From: "acoplan at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/99252] New: SVE: ICE in maybe_legitimize_operand with LTO Date: Wed, 24 Feb 2021 16:51:51 +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: 11.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: acoplan 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: Wed, 24 Feb 2021 16:51:51 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99252 Bug ID: 99252 Summary: SVE: ICE in maybe_legitimize_operand with LTO Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: acoplan at gcc dot gnu.org Target Milestone: --- Presumably related to PR99216 since we fail to compile a simpler call to sv= addv with LTO there (although we're ICEing in a different place). $ cat test.cc #include int main() { return svaddv(svptrue_b8(), svadd_z(svptrue_b8(), svdup_s64(0), svdup_s64(0))); } $ aarch64-linux-gnu-gcc -march=3Darmv8.2-a+sve -flto test.cc during RTL pass: expand test.cc: In function =E2=80=98main=E2=80=99: test.cc:3:16: internal compiler error: in maybe_legitimize_operand, at optabs.c:7622 3 | return svaddv(svptrue_b8(), svadd_z(svptrue_b8(), svdup_s64(0), svdup_s64(0))); | ^ 0xb855b3 maybe_legitimize_operand /home/alecop01/toolchain/src/gcc/gcc/optabs.c:7621 0xb855b3 maybe_legitimize_operands(insn_code, unsigned int, unsigned int, expand_operand*) /home/alecop01/toolchain/src/gcc/gcc/optabs.c:7758 0xb85926 maybe_gen_insn(insn_code, unsigned int, expand_operand*) /home/alecop01/toolchain/src/gcc/gcc/optabs.c:7777 0xb85b42 maybe_expand_insn(insn_code, unsigned int, expand_operand*) /home/alecop01/toolchain/src/gcc/gcc/optabs.c:7820 0xb850d9 expand_insn(insn_code, unsigned int, expand_operand*) /home/alecop01/toolchain/src/gcc/gcc/optabs.c:7851 0x1194a47 aarch64_sve::function_expander::generate_insn(insn_code) =20=20=20=20=20=20=20 /home/alecop01/toolchain/src/gcc/gcc/config/aarch64/aarch64-sve-builtins.cc= :2883 0x11953e1 aarch64_sve::function_expander::use_exact_insn(insn_code) =20=20=20=20=20=20=20 /home/alecop01/toolchain/src/gcc/gcc/config/aarch64/aarch64-sve-builtins.cc= :3031 0x1196101 aarch64_sve::function_expander::expand() =20=20=20=20=20=20=20 /home/alecop01/toolchain/src/gcc/gcc/config/aarch64/aarch64-sve-builtins.cc= :3318 0x1197242 aarch64_sve::expand_builtin(unsigned int, tree_node*, rtx_def*) =20=20=20=20=20=20=20 /home/alecop01/toolchain/src/gcc/gcc/config/aarch64/aarch64-sve-builtins.cc= :3607 0x10f62eb aarch64_expand_builtin /home/alecop01/toolchain/src/gcc/gcc/config/aarch64/aarch64.c:13568 0x74b79a expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int) /home/alecop01/toolchain/src/gcc/gcc/builtins.c:9518 0x8c51cc expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) /home/alecop01/toolchain/src/gcc/gcc/expr.c:11276 0x8c6779 expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifi= er, rtx_def**, bool) /home/alecop01/toolchain/src/gcc/gcc/expr.c:8513 0x8cfc1c store_expr(tree_node*, rtx_def*, int, bool, bool) /home/alecop01/toolchain/src/gcc/gcc/expr.c:5886 0x8d1927 expand_assignment(tree_node*, tree_node*, bool) /home/alecop01/toolchain/src/gcc/gcc/expr.c:5622 0x780d7c expand_call_stmt /home/alecop01/toolchain/src/gcc/gcc/cfgexpand.c:2838 0x780d7c expand_gimple_stmt_1 /home/alecop01/toolchain/src/gcc/gcc/cfgexpand.c:3844 0x780d7c expand_gimple_stmt /home/alecop01/toolchain/src/gcc/gcc/cfgexpand.c:4008 0x78a5a7 expand_gimple_basic_block /home/alecop01/toolchain/src/gcc/gcc/cfgexpand.c:6045 0x78bc61 execute /home/alecop01/toolchain/src/gcc/gcc/cfgexpand.c:6729 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. lto-wrapper: fatal error: aarch64-linux-gnu-gcc returned 1 exit status compilation terminated. /home/alecop01/toolchain/build-aarch64-linux-gnu/install/bin/../lib/gcc/aar= ch64-linux-gnu/11.0.0/../../../../aarch64-linux-gnu/bin/ld: error: lto-wrapper failed collect2: error: ld returned 1 exit status=