From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 549D43858D3C; Wed, 19 Oct 2022 18:39:32 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 549D43858D3C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1666204772; bh=gdof5FPkiq4Gfoxvn3T9ikLuvHfTvNuRuJErv9VvzAM=; h=From:To:Subject:Date:From; b=eqv96msnRCnWlV3MrfKigcNV8apHqpSIwij52WPGI9zAhpDEqwCluqPx/ss8ha3mT 5aMTOwbGHNa0MCg72g0dAhbARJVJDPbuqV8H6vNmBZe4gQAuMLvVE6drFAdet67ICc ISz7GesDpQcE1/45EM7Hlbr/UUPtB9xWg6HSjIgE= From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/107322] New: ICE: in extract_insn, at recog.cc:2791 (unrecognizable insn) with __bf16 compare Date: Wed, 19 Oct 2022 18:39:31 +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: 13.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: zsojka at seznam dot cz 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 attachments.created 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=3D107322 Bug ID: 107322 Summary: ICE: in extract_insn, at recog.cc:2791 (unrecognizable insn) with __bf16 compare Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 53731 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53731&action=3Dedit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -fexcess-precision=3D16 -O testcase.c=20 testcase.c: In function 'foo': testcase.c:8:1: error: unrecognizable insn: 8 | } | ^ (insn 7 6 9 2 (set (reg:CCFP 17 flags) (compare:CCFP (reg:BF 88) (reg:BF 87))) "testcase.c":7:5 -1 (nil)) during RTL pass: vregs testcase.c:8:1: internal compiler error: in extract_insn, at recog.cc:2791 0x78376b _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /repo/gcc-trunk/gcc/rtl-error.cc:108 0x7837e7 _fatal_insn_not_found(rtx_def const*, char const*, int, char const= *) /repo/gcc-trunk/gcc/rtl-error.cc:116 0x77239c extract_insn(rtx_insn*) /repo/gcc-trunk/gcc/recog.cc:2791 0x1043ee9 instantiate_virtual_regs_in_insn /repo/gcc-trunk/gcc/function.cc:1611 0x1043ee9 instantiate_virtual_regs /repo/gcc-trunk/gcc/function.cc:1985 0x1043ee9 execute /repo/gcc-trunk/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. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=3D/repo/gcc-trunk/binary-latest/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=3D/repo/gcc-trunk/binary-trunk-r13-3383-20221019140533-= g47684e58edc-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc= /x86_64-pc-linux-gnu/13.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=3Dc,c++ --enable-valgrind-annotations --disable-nls --enable-checking=3Dyes,rtl,df,= extra --disable-bootstrap --with-cloog --with-ppl --with-isl --build=3Dx86_64-pc-linux-gnu --host=3Dx86_64-pc-linux-gnu --target=3Dx86_64-pc-linux-gnu --with-ld=3D/usr/bin/x86_64-pc-linux-gnu-ld --with-as=3D/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=3D/repo/gcc-trunk//binary-trunk-r13-3383-20221019140533-g47684e58e= dc-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.0.0 20221019 (experimental) (GCC)=