From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 67CF43858400; Tue, 26 Oct 2021 06:39:58 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 67CF43858400 From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/102941] New: ICE in extract_insn, at recog.c:2769 with -ftrivial-auto-var-init=pattern Date: Tue, 26 Oct 2021 06:39:58 +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: 12.0 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 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: Tue, 26 Oct 2021 06:39:58 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102941 Bug ID: 102941 Summary: ICE in extract_insn, at recog.c:2769 with -ftrivial-auto-var-init=3Dpattern Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: qing.zhao at oracle dot com Target Milestone: --- Host: x86_64-linux-gnu Target: aarch64-linux-gnu The following happens: $ cat asm-flag.c int test_cmpu_x; void test_cmpu_y() { long le; __asm__("cmp %" "[x], %" "[y]" : "=3D@ccls"(le) : [x] ""(test_cmpu_x), [y] ""(test_cmpu_y)); } $ aarch64-linux-gnu-gcc asm-flag.c -c $ aarch64-linux-gnu-gcc asm-flag.c -c -ftrivial-auto-var-init=3Dpattern asm-flag.c: In function =E2=80=98test_cmpu_y=E2=80=99: asm-flag.c:11:1: error: unrecognizable insn: 11 | } | ^ (insn 13 14 0 2 (set (mem/c:DI (plus:DI (reg/f:DI 87 virtual-stack-vars) (const_int -8 [0xfffffffffffffff8])) [2 le+0 S8 A64]) (leu:DI (reg:CC 66 cc) (const_int 0 [0]))) "asm-flag.c":6:3 -1 (nil)) during RTL pass: vregs asm-flag.c:11:1: internal compiler error: in extract_insn, at recog.c:2769 0x6a7b6b _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /rtl-error.c:108 0x6a7b87 _fatal_insn_not_found(rtx_def const*, char const*, int, char const= *) =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /rtl-error.c:116 0x6a6fa4 extract_insn(rtx_insn*) =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /recog.c:2769 0x945a6d instantiate_virtual_regs_in_insn =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /function.c:1611 0x945a6d instantiate_virtual_regs =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /function.c:1985 0x945a6d execute =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc= /function.c:2034 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions.=