From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 2AEAD3857351; Thu, 29 Sep 2022 19:13:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2AEAD3857351 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1664478798; bh=oQNWJqiD79gv3Ok+Rq/Wfd8XJHpofTfHeFz7NVO7zXU=; h=From:To:Subject:Date:In-Reply-To:References:From; b=cmKHZRAP7ZceZlxFmuw8Da4eG+yUZ4E0JSCl9eMpxCC5kWm7PojmWwBjTe9AvDuvJ 68Y7lgJ9DNsm4UDbuAoUoYCpiUCvU3tbKc9Jiraa3YxH8z23SiwxqqJeG7flCCXOGK q8SsoLWbjLhKqz6Eu4DuZUvqN0CRmTzE3WvSVy5w= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/107088] [13 Regression] cselib ICE building __trunctfxf2 on ia64 Date: Thu, 29 Sep 2022 19:13:17 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cf_reconfirmed_on cc bug_status everconfirmed 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=3D107088 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2022-09-29 CC| |rguenth at gcc dot gnu.org, | |rsandifo at gcc dot gnu.org Status|UNCONFIRMED |NEW Ever confirmed|0 |1 --- Comment #3 from Richard Biener --- #3 0x0000000000cbc4a3 in new_cselib_val (hash=3D6, mode=3DE_BImode,=20 x=3D0x7ffff7170a98) at /home/rguenther/src/gcc2/gcc/cselib.cc:1579 1579 FOR_EACH_MODE_UNTIL (narrow_mode_iter, int_mode) (gdb) p int_mode $2 =3D BImode but class_narrowest_mode is QImode, so we iterate until OImode which doesn't have a wider mode (so VOIDmode) but never reach BImode. Somehow BImode is MODE_INT but declared BOOL_MODE which means we skip it he= re. Not sure if that's an error in genmodes - I suspect other places wouldn't expect to iterate over BImode in FOR_EACH_MODE_UNTIL.=