From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D735D3858D33; Fri, 28 Jul 2023 11:10:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D735D3858D33 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1690542636; bh=WA+IwvMeUJcD7Ip5iFSzvORqA52cgOl65kjqfMR5J+s=; h=From:To:Subject:Date:In-Reply-To:References:From; b=vRu+/TbiY0Qz6B9T4YQ6okJayenRnKnRpY+Xp1GWUk90tAaK87JIsrcoxR/TxNAZl wqlmQ8UwvVfWH1P0PzAjXNfMArVB2NABgDMcsI3fXOUK1NvLN4tbnZpYZd3rvvxAkx LBEXCl45xil9sWorfkN0HoMDd45NJnzQ5ja9+QjY= From: "tkoenig at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug libgomp/110842] [14 Regression] Openmp loops with KIND=16 DO loops Date: Fri, 28 Jul 2023 11:10:36 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libgomp X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: needs-bisection, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: tkoenig 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: 14.0 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=3D110842 --- Comment #3 from Thomas Koenig --- (In reply to Jakub Jelinek from comment #2) > Why a regression? It worked before (if only by accident), hence I put "Regression" there. > libgomp has no support for loop iterators larger than 64-bit unsigned, an= d I > believe in OpenMP it is implementation defined which iterator type is use= d. > C/C++ OpenMP loops with __int128 or unsigned __int128 iterator will not w= ork > either (nor with _BitInt(575) or similar). If it is illegal, then the best way to do this would probably be an error message instead of silent wrong code.=