From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 55CA13858D35; Mon, 4 May 2020 10:54:53 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 55CA13858D35 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1588589693; bh=UCmt9Es4XhAfPb7hYt9MHz4o8NHK/9boZuAy66ayT1Y=; h=From:To:Subject:Date:From; b=jA4q36bX9+RGuzDzuHX3iJtYHUn5OAvKbAFwkhQ68XU7nW88Cz+zpOS84ivgEKaOp oimz7WimOY6eqj7fQ7jUE2Zz91EOfKiiDnw9kypM3gB+KtCkzKEOdjaer0YQG3p5n+ vOVcS0hY3WoTZQ+lmwHwPqq/QcyDwRklwkNAySVI= From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/94942] New: [10/11 Regression] ICE: in extract_constrain_insn, at recog.c:2195 (insn does not satisfy its constraints) with -O -flive-range-shrinkage -ftree-vrp -mavx512vl Date: Mon, 04 May 2020 10:54:53 +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: 11.0 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 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 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: Mon, 04 May 2020 10:54:53 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94942 Bug ID: 94942 Summary: [10/11 Regression] ICE: in extract_constrain_insn, at recog.c:2195 (insn does not satisfy its constraints) with -O -flive-range-shrinkage -ftree-vrp -mavx512vl Product: gcc Version: 11.0 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 Created attachment 48437 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D48437&action=3Dedit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O -flive-range-shrinkage -ftree-vrp -mavx512vl testcase.c testcase.c: In function 'foo': testcase.c:16:31: warning: division by zero [-Wdiv-by-zero] 16 | W v =3D (k | k >> m + (W){4}) % 0; | ^ testcase.c:20:1: error: insn does not satisfy its constraints: 20 | } | ^ (insn 365 309 359 2 (set (reg:V8HI 20 xmm0 [511]) (vec_duplicate:V8HI (reg:HI 52 xmm16))) "testcase.c":15:5 5054 {*vec_dupv8hi} (expr_list:REG_DEAD (reg:HI 52 xmm16) (nil))) during RTL pass: cprop_hardreg testcase.c:20:1: internal compiler error: in extract_constrain_insn, at recog.c:2195 0x6d467c _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /repo/gcc-trunk/gcc/rtl-error.c:108 0x6d4709 _fatal_insn_not_found(rtx_def const*, char const*, int, char const= *) /repo/gcc-trunk/gcc/rtl-error.c:118 0x6c3d6c extract_constrain_insn(rtx_insn*) /repo/gcc-trunk/gcc/recog.c:2195 0xf4aadc copyprop_hardreg_forward_1 /repo/gcc-trunk/gcc/regcprop.c:802 0xf4bd4e execute /repo/gcc-trunk/gcc/regcprop.c:1367 Please submit a full bug report, with preprocessed source if appropriate. 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-r11-36-20200504110332-g6= b5c7ee0df6-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-lin= ux-gnu/11.0.0/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 --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-r11-36-20200504110332-g6b5c7ee0df6= -checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 11.0.0 20200504 (experimental) (GCC)=