From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 46C483858C39; Thu, 14 Mar 2024 11:07:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 46C483858C39 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1710414421; bh=OE1OrsMtL1m7aRocmNFxCGJA/f6o4rs3h6UG19d18uw=; h=From:To:Subject:Date:From; b=tHieMqoMhv3wP7gUK0VeKNgA6B9t4vfizDNzw1ECkqohUlGAumAZ462Jcxy5/uIoc /gsE4DaRMpShayo+zre2JHCVgaRntV+JUQhqItVpEr4uQPnirHV3tX2R1UQo91FFwn ze3w1FxI9qJhgNOtatR0BhN/pXBqBqIQgNwDEvvQ= From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/114334] New: [14 Regression] ICE: in extract_insn, at recog.cc:2812 (unrecognizable insn and:HF?) with lroundf16() and -ffast-math -mavx512fp16 Date: Thu, 14 Mar 2024 11:06:59 +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: 14.0 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=3D114334 Bug ID: 114334 Summary: [14 Regression] ICE: in extract_insn, at recog.cc:2812 (unrecognizable insn and:HF?) with lroundf16() and -ffast-math -mavx512fp16 Product: gcc Version: 14.0 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 57696 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D57696&action=3Dedit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -ffast-math -mavx512fp16 testcase.c=20=20=20=20= =20=20=20=20=20=20 testcase.c: In function 'foo': testcase.c:5:1: error: unrecognizable insn: 5 | } | ^ (insn 10 9 11 2 (set (reg:HF 102) (and:HF (reg:HF 104) (reg:HF 101))) "testcase.c":4:10 -1 (nil)) during RTL pass: vregs testcase.c:5:1: internal compiler error: in extract_insn, at recog.cc:2812 0x8071a7 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /repo/gcc-trunk/gcc/rtl-error.cc:108 0x807224 _fatal_insn_not_found(rtx_def const*, char const*, int, char const= *) /repo/gcc-trunk/gcc/rtl-error.cc:116 0x7f6093 extract_insn(rtx_insn*) /repo/gcc-trunk/gcc/recog.cc:2812 0x113444d instantiate_virtual_regs_in_insn /repo/gcc-trunk/gcc/function.cc:1611 0x113444d instantiate_virtual_regs /repo/gcc-trunk/gcc/function.cc:1994 0x113444d execute /repo/gcc-trunk/gcc/function.cc:2041 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-amd64/bin/x86_64-pc-linux-gnu-g= cc COLLECT_LTO_WRAPPER=3D/repo/gcc-trunk/binary-trunk-r14-9454-20240313184120-= g11caf47b599-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc= /x86_64-pc-linux-gnu/14.0.1/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 --enable-libsanitizer --disable-libstdcxx-pch --prefix=3D/repo/gcc-trunk//binary-trunk-r14-9454-20240313184120-g11caf47b5= 99-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.1 20240313 (experimental) (GCC)=