From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id DFD403858D1E; Fri, 30 Sep 2022 09:46:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DFD403858D1E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1664531186; bh=ix2jlcvq6wmfN/EtY2up9qJxfUJiA2rePF304pQC648=; h=From:To:Subject:Date:From; b=b2jXdK67tS2ElQWRyuBMhDw7YTPZIbdtyNFf+lXioyRuS5dl3htLnlOOuHJxMDfin yexd6zMvch+sGzerJp9yrQadjGNaV+xD8APTFQYQ8See/m0QDATRUH8+Fnyw9Me8wt XuKfADy9X7ESO7m8hMqv7x0O9f6P1HE0fekQvhNk= From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/107094] New: [13 Regression] ICE in require, at machmode.h:297 since r13-2916-gd0b00b63a39108 Date: Fri, 30 Sep 2022 09:46:26 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 13.0 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 cc 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107094 Bug ID: 107094 Summary: [13 Regression] ICE in require, at machmode.h:297 since r13-2916-gd0b00b63a39108 Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: stefansf at linux dot ibm.com Target Milestone: --- Host: x86_64-linux-gnu Target: amdgcn-amdhsa The following cross compiler crashes: $ cat amd.i int _vfwprintf_r_ch; int btowc(); int __sprint_r(); int iov_len(); void _vfwprintf_r() { int uio_0, buf; for (;;) { switch (_vfwprintf_r_ch) { case L'c': int wc =3D btowc(); if (wc) goto error; if (buf) if (++uio_0) __sprint_r(); } iov_len(); } error: } $ ./xgcc -B. amd.i -c -O2=20 during RTL pass: postreload amd.i: In function =E2=80=98_vfwprintf_r=E2=80=99: amd.i:23:1: internal compiler error: in require, at machmode.h:297 23 | } | ^ 0xc47789 opt_mode::require() const /home/marxin/Programming/gcc/gcc/machmode.h:297 0xcff5c8 void mode_iterator::get_known_wider(scalar_int_mo= de*) /home/marxin/Programming/gcc/gcc/machmode.h:1124 0xcf9d81 new_cselib_val /home/marxin/Programming/gcc/gcc/cselib.cc:1579 0xcfba7a cselib_lookup_1 /home/marxin/Programming/gcc/gcc/cselib.cc:2315 0xcfc183 cselib_lookup(rtx_def*, machine_mode, int, machine_mode) /home/marxin/Programming/gcc/gcc/cselib.cc:2431 0xcfd498 cselib_record_sets /home/marxin/Programming/gcc/gcc/cselib.cc:2932 0xcfe00a cselib_process_insn(rtx_insn*) /home/marxin/Programming/gcc/gcc/cselib.cc:3159 0x123eac4 reload_cse_regs_1 /home/marxin/Programming/gcc/gcc/postreload.cc:229 0x123e5b4 reload_cse_regs /home/marxin/Programming/gcc/gcc/postreload.cc:72 0x1244156 execute /home/marxin/Programming/gcc/gcc/postreload.cc:2347 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.=