From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 833EF3856DF1; Sat, 8 Oct 2022 13:06:08 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 833EF3856DF1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1665234368; bh=1hFiyIajbshmyGjj9n6rNdCPXa1MAwDfrLQRKHgspLc=; h=From:To:Subject:Date:From; b=p9y/KRD4iSyvIrlv5GksIwb4XJT/KQYT+uXCBt6h3UHYp0kvWIJLHxU8Fzgk6ahEO jEx9WX63DedJYuWi78vMdnv8xYDj4ZjkEfKkKKVP5+0i2KO6gzbpPGcDoMMvXCdGkl n4VJIHpm5RAhGIQaxivzP1SOv+3oOn/5EMHveU/g= From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/107185] New: [13 Regression] during RTL pass: vregs ICE: in extract_insn, at recog.cc:2791 (unrecognizable insn) with -ffast-math and lrintf() Date: Sat, 08 Oct 2022 13:06:07 +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=3D107185 Bug ID: 107185 Summary: [13 Regression] during RTL pass: vregs ICE: in extract_insn, at recog.cc:2791 (unrecognizable insn) with -ffast-math and lrintf() 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 53680 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53680&action=3Dedit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -ffast-math testcase.c testcase.c: In function 'foo': testcase.c:5:1: error: unrecognizable insn: 5 | } | ^ (insn 7 6 0 2 (set (mem/c:DI (plus:DI (reg/f:DI 77 virtual-stack-vars) (const_int -8 [0xfffffffffffffff8])) [1 l+0 S8 A64]) (unspec:DI [ (reg:SF 82) ] UNSPEC_FIX_NOTRUNC)) "testcase.c":4:12 -1 (nil)) during RTL pass: vregs testcase.c:5:1: internal compiler error: in extract_insn, at recog.cc:2791 0x782279 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /repo/gcc-trunk/gcc/rtl-error.cc:108 0x7822f5 _fatal_insn_not_found(rtx_def const*, char const*, int, char const= *) /repo/gcc-trunk/gcc/rtl-error.cc:116 0x770eaa extract_insn(rtx_insn*) /repo/gcc-trunk/gcc/recog.cc:2791 0x103f6c9 instantiate_virtual_regs_in_insn /repo/gcc-trunk/gcc/function.cc:1611 0x103f6c9 instantiate_virtual_regs /repo/gcc-trunk/gcc/function.cc:1985 0x103f6c9 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-amd64/bin/x86_64-pc-linux-gnu-g= cc COLLECT_LTO_WRAPPER=3D/repo/gcc-trunk/binary-trunk-r13-3175-20221007202551-= g6ffbf87ca66-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-r13-3175-20221007202551-g6ffbf87ca= 66-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.0.0 20221008 (experimental) (GCC)=