From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 3BE513858D3C; Mon, 24 Jan 2022 18:58:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3BE513858D3C From: "gscfq@t-online.de" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/104209] New: ICE in lra_split_hard_reg_for, at lra-assigns.cc:1837 Date: Mon, 24 Jan 2022 18:58:03 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: gscfq@t-online.de 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 bug_severity priority component assigned_to reporter target_milestone 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, 24 Jan 2022 18:58:03 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104209 Bug ID: 104209 Summary: ICE in lra_split_hard_reg_for, at lra-assigns.cc:1837 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: gscfq@t-online.de Target Milestone: --- With file gcc.dg/torture/pr20314-2.c,=20 affects versions down to at least r5 : $ gcc-12-20220123 -c pr20314-2.c -m32 -fPIC pr20314-2.c: In function 'f1': pr20314-2.c:5:3: error: 'asm' operand has impossible constraints 5 | __asm__ volatile ("" | ^~~~~~~ pr20314-2.c:9:1: error: unable to find a register to spill 9 | } | ^ pr20314-2.c:9:1: error: this is the insn: (insn 96 94 98 2 (set (reg:SI 151 [123]) (reg:SI 123)) "pr20314-2.c":5:3 81 {*movsi_internal} (expr_list:REG_DEAD (reg:SI 123) (nil))) during RTL pass: reload pr20314-2.c:9:1: internal compiler error: in lra_split_hard_reg_for, at lra-assigns.cc:1837 0x685898 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) ../../gcc/rtl-error.cc:108 0xc1f9e1 lra_split_hard_reg_for() ../../gcc/lra-assigns.cc:1837 0xc19c5b lra(_IO_FILE*) ../../gcc/lra.cc:2420 0xbc7b39 do_reload ../../gcc/ira.cc:5940 0xbc7b39 execute ../../gcc/ira.cc:6126=