From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id CDB523858D33; Fri, 8 Mar 2024 12:47:09 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CDB523858D33 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1709902029; bh=tYb5dpV11cKfGZeweGIuMvyOp0m75HFe+JA3Dz87glk=; h=From:To:Subject:Date:In-Reply-To:References:From; b=MRR/My+9RPQ9FCZ0NNOwy5YA5XwjTyzXs0VHLgyWNLIO1M9JDn8i9d6khFkpNONMb OMk6KAo9stShq2Fm1aDJmUXZutorrr+aMYpo5Xa7mhtGiZEJsJit+LP4WCpllMtFnu hD+hbmnAoFgrX9nKRQ9L+zmzC2HW6XyTxYW8JVNc= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/114278] ICE: in extract_bit_field_1, at expmed.cc:1838 with memmove, _BitInt() and -O2 -fno-tree-dce -fno-tree-dse -fno-tree-ccp -m32 Date: Fri, 08 Mar 2024 12:47:09 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub 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: Message-ID: In-Reply-To: References: 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=3D114278 --- Comment #1 from Jakub Jelinek --- This is execute_update_addresses_taken trying to drop address taken from a large/huge _BitInt variable and rewriting it back to SSA. That is undesira= ble when (cfun->curr_properties & PROP_gimple_lbitint) !=3D 0, because we then no lo= nger lower it again.=