From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D0E913858D33; Fri, 28 Jul 2023 10:57:33 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D0E913858D33 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1690541853; bh=cJrgxpiyx/4+Y9U12UMoaPBaBbcuM1DMvfERIFYeWaQ=; h=From:To:Subject:Date:In-Reply-To:References:From; b=BkdZ+5pHVZJVaeggGbFzKUbUv0OVS7mlvSKfxK9YoKafAGbTDDzH1Jap18otTDm/l Dh6pso6Wd872vj+eumt+LnQvDyFCmRIjMZOYF4Wvk+tL/xeXdJ91n6WDZY0AYFGadG gjNZ43yqz6LHGgUOsrwc0jP/F0eWrh28Sv61QTQM= From: "jakub 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 10:57:33 +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: 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: 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 #2 from Jakub Jelinek --- Why a regression? libgomp has no support for loop iterators larger than 64-bit unsigned, and I believe in OpenMP it is implementation defined which iterator type is used. C/C++ OpenMP loops with __int128 or unsigned __int128 iterator will not work either (nor with _BitInt(575) or similar).=