Message ID | 20190605203403.29461-10-david@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C73FD17D2 for <patchwork-qemu-devel@patchwork.kernel.org>; Wed, 5 Jun 2019 20:38:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B709228A0C for <patchwork-qemu-devel@patchwork.kernel.org>; Wed, 5 Jun 2019 20:38:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AB75F28A13; Wed, 5 Jun 2019 20:38:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3FA2328A0C for <patchwork-qemu-devel@patchwork.kernel.org>; Wed, 5 Jun 2019 20:38:56 +0000 (UTC) Received: from localhost ([127.0.0.1]:49528 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org>) id 1hYcgR-0006nW-Bw for patchwork-qemu-devel@patchwork.kernel.org; Wed, 05 Jun 2019 16:38:55 -0400 Received: from eggs.gnu.org ([209.51.188.92]:40964) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <david@redhat.com>) id 1hYccG-0002mn-Eh for qemu-devel@nongnu.org; Wed, 05 Jun 2019 16:34:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <david@redhat.com>) id 1hYccD-0006Hc-OV for qemu-devel@nongnu.org; Wed, 05 Jun 2019 16:34:35 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42042) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from <david@redhat.com>) id 1hYccB-00068m-Al; Wed, 05 Jun 2019 16:34:32 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DD1723082131; Wed, 5 Jun 2019 20:34:27 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-124.ams2.redhat.com [10.36.116.124]) by smtp.corp.redhat.com (Postfix) with ESMTP id 121C9619A9; Wed, 5 Jun 2019 20:34:25 +0000 (UTC) From: David Hildenbrand <david@redhat.com> To: qemu-devel@nongnu.org Date: Wed, 5 Jun 2019 22:33:39 +0200 Message-Id: <20190605203403.29461-10-david@redhat.com> In-Reply-To: <20190605203403.29461-1-david@redhat.com> References: <20190605203403.29461-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Wed, 05 Jun 2019 20:34:27 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL SUBSYSTEM s390x 09/33] s390x/tcg: Store only the necessary amount of doublewords for STFLE X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel/> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Stefan Liebler <stli@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, David Hildenbrand <david@redhat.com>, Andreas Krebbel <Andreas.Krebbel@de.ibm.com>, Cornelia Huck <cohuck@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, qemu-s390x@nongnu.org, Richard Henderson <rth@twiddle.net> Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> X-Virus-Scanned: ClamAV using ClamSMTP |
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[PULL,SUBSYSTEM,s390x,01/33] s390x/tcg: Implement VECTOR FIND ANY ELEMENT EQUAL
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diff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c index 34476134a4..10aa617cf9 100644 --- a/target/s390x/misc_helper.c +++ b/target/s390x/misc_helper.c @@ -678,7 +678,13 @@ uint32_t HELPER(stfle)(CPUS390XState *env, uint64_t addr) prepare_stfl(); max_bytes = ROUND_UP(used_stfl_bytes, 8); - for (i = 0; i < count_bytes; ++i) { + + /* + * The PoP says that doublewords beyond the highest-numbered facility + * bit may or may not be stored. However, existing hardware appears to + * not store the words, and existing software depend on that. + */ + for (i = 0; i < MIN(count_bytes, max_bytes); ++i) { cpu_stb_data_ra(env, addr + i, stfl_bytes[i], ra); }