From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D94793839C58; Tue, 11 May 2021 12:33:37 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D94793839C58 From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/100518] New: ICE in copy_to_mode_reg, at explow.c:651 Date: Tue, 11 May 2021 12:33:37 +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: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin 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 keywords bug_severity priority component assigned_to reporter target_milestone cf_gcchost 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 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, 11 May 2021 12:33:38 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100518 Bug ID: 100518 Summary: ICE in copy_to_mode_reg, at explow.c:651 Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org Target Milestone: --- Host: x86_64-linux-gnu Target: aarch64-linux-gnu It's likely a recent regression: $ cat stringop.i int unsigned_range_min, unsigned_range_max, a11___trans_tmp_1; void a11() { a11___trans_tmp_1 =3D unsigned_range_max < unsigned_range_min; __builtin_memset((char *)1, 0, a11___trans_tmp_1); } $ aarch64-linux-gnu-gcc stringop.i -mabi=3Dilp32 -mstrict-align -O2 -c during RTL pass: expand stringop.i: In function =E2=80=98a11=E2=80=99: stringop.i:5:3: internal compiler error: in copy_to_mode_reg, at explow.c:6= 51 5 | __builtin_memset((char *)1, 0, a11___trans_tmp_1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 0x684fe3 copy_to_mode_reg(machine_mode, rtx_def*) =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /explow.c:651 0x7b593f try_store_by_multiple_pieces(rtx_def*, rtx_def*, unsigned int, unsigned long, unsigned long, rtx_def*, char, unsigned int) =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /builtins.c:6758 0x8ef134 clear_storage_hints(rtx_def*, rtx_def*, block_op_methods, unsigned int, long, unsigned long, unsigned long, unsigned long, unsigned int) =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /expr.c:3201 0x7b620e expand_builtin_memset_args =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /builtins.c:6949 0x7c61ee expand_builtin_memset =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /builtins.c:6665 0x7c61ee expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int) =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /builtins.c:10167 0x8e657f expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /expr.c:11458 0x7e89aa expand_expr =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /expr.h:301 0x7e89aa expand_call_stmt =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /cfgexpand.c:2843 0x7e89aa expand_gimple_stmt_1 =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /cfgexpand.c:3847 0x7e89aa expand_gimple_stmt =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /cfgexpand.c:4011 0x7e8d1e expand_gimple_tailcall =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /cfgexpand.c:4057 0x7ee571 expand_gimple_basic_block =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /cfgexpand.c:6025 0x7ee571 execute =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /cfgexpand.c:6732 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions.=