From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 138053858427; Thu, 12 May 2022 22:44:21 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 138053858427 From: "vsevolod.livinskiy at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/105587] New: [13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) Date: Thu, 12 May 2022 22:44:20 +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: vsevolod.livinskiy at gmail dot com 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, 12 May 2022 22:44:21 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105587 Bug ID: 105587 Summary: [13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: vsevolod.livinskiy at gmail dot com Target Milestone: --- Link to the Compiler Explorer: https://godbolt.org/z/bboxEaWWx Reproducer: extern short arr_108[][4][2][24][12], arr_110[][4][2][24][12]; void test() { for (unsigned a =3D 0; a < 2; a +=3D 2) for (unsigned b =3D 4; b < 22; b++) for (int c =3D 1; c < 11; c++) arr_110[0][0][a][b][c] =3D (unsigned char)arr_108[0][0][a][b][c]; } Error: >$ g++ -O3 -c func.cpp=20=20=20 func.cpp: In function 'void test()': func.cpp:7:1: error: unrecognizable insn: 7 | } | ^ (insn 18 17 19 2 (set (reg:V1TI 202) (ashift:V1TI (subreg:V1TI (reg:V8HI 117 [ vect__15.12 ]) 0) (const_int 4294967264 [0xffffffe0]))) "func.cpp":6:70 -1 (nil)) during RTL pass: vregs func.cpp:7:1: internal compiler error: in extract_insn, at recog.cc:2791 0x85ea0e _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /testing/gcc/gcc_src_master/gcc/rtl-error.cc:108 0x85ea30 _fatal_insn_not_found(rtx_def const*, char const*, int, char const= *) /testing/gcc/gcc_src_master/gcc/rtl-error.cc:116 0x85cf23 extract_insn(rtx_insn*) /testing/gcc/gcc_src_master/gcc/recog.cc:2791 0xecdac5 instantiate_virtual_regs_in_insn /testing/gcc/gcc_src_master/gcc/function.cc:1611 0xecdac5 instantiate_virtual_regs /testing/gcc/gcc_src_master/gcc/function.cc:1985 0xecdac5 execute /testing/gcc/gcc_src_master/gcc/function.cc:2034 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See for instructions. gcc version 13.0.0 20220512 (7f78783dbedca0183d193e475262ca3c489fd365)=