From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id BA60F385042A; Mon, 8 Mar 2021 10:49:20 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BA60F385042A From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/99461] New: [11 Regression] ICE in extract_constrain_insn, at recog.c:2670 since r11-7526-g9105757a59b89019 Date: Mon, 08 Mar 2021 10:49:20 +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: 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 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, 08 Mar 2021 10:49:20 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99461 Bug ID: 99461 Summary: [11 Regression] ICE in extract_constrain_insn, at recog.c:2670 since r11-7526-g9105757a59b89019 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: marxin at gcc dot gnu.org CC: vmakarov at redhat dot com Target Milestone: --- Host: x86_64-linux-gnu The following fails, it's reduced from qemu package: $ cat qemu.i struct saveBDAstate { short vbe_mode; }; void __set_seg_ES(); struct saveBDAstate bda_save_restore(struct saveBDAstate *data) { struct saveBDAstate *info =3D data; __set_seg_ES(); __asm__("" : "=3Dm"(info->vbe_mode)); __asm__("" : : ""(info)); } $ gcc qemu.i -Os -m16 -S qemu.i: In function =E2=80=98bda_save_restore=E2=80=99: qemu.i:12:1: error: unrecognizable insn: 12 | } | ^ (insn 8 7 9 2 (parallel [ (set (mem:HI (mem/f/c:SI (plus:SI (reg/f:SI 6 bp) (const_int 12 [0xc])) [3 data+0 S4 A32]) [2 data_1(D)->vbe_mode+0 S2 A16]) (asm_operands:HI ("") ("=3Dm") 0 [] [] [] qemu.i:10)) (clobber (reg:CC 17 flags)) ]) "qemu.i":10:3 -1 (nil)) during RTL pass: reload qemu.i:12:1: internal compiler error: in extract_constrain_insn, at recog.c:2670 0x6ff1e1 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /home/marxin/Programming/gcc/gcc/rtl-error.c:108 0x6ff203 _fatal_insn_not_found(rtx_def const*, char const*, int, char const= *) /home/marxin/Programming/gcc/gcc/rtl-error.c:116 0x6fd485 extract_constrain_insn(rtx_insn*) /home/marxin/Programming/gcc/gcc/recog.c:2670 0xcca32f check_rtl /home/marxin/Programming/gcc/gcc/lra.c:2087 0xcceb1e lra(_IO_FILE*) /home/marxin/Programming/gcc/gcc/lra.c:2505 0xc85934 do_reload /home/marxin/Programming/gcc/gcc/ira.c:5827 0xc85934 execute /home/marxin/Programming/gcc/gcc/ira.c:6013 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions.=