From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A163C04AAC for ; Mon, 20 May 2019 17:51:08 +0000 (UTC) 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.kernel.org (Postfix) with ESMTPS id 75750206B6 for ; Mon, 20 May 2019 17:51:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 75750206B6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:39607 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hSmRH-0006XZ-IN for qemu-devel@archiver.kernel.org; Mon, 20 May 2019 13:51:07 -0400 Received: from eggs.gnu.org ([209.51.188.92]:55192) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hSloC-0006An-UB for qemu-devel@nongnu.org; Mon, 20 May 2019 13:10:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hSloB-0005Mn-3x for qemu-devel@nongnu.org; Mon, 20 May 2019 13:10:44 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43508) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hSlo9-0005Le-Sd; Mon, 20 May 2019 13:10:43 -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 46E8830842B3; Mon, 20 May 2019 17:10:36 +0000 (UTC) Received: from localhost (ovpn-204-110.brq.redhat.com [10.40.204.110]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CD49F60BFC; Mon, 20 May 2019 17:10:34 +0000 (UTC) From: Cornelia Huck To: Peter Maydell Date: Mon, 20 May 2019 19:02:50 +0200 Message-Id: <20190520170302.13643-43-cohuck@redhat.com> In-Reply-To: <20190520170302.13643-1-cohuck@redhat.com> References: <20190520170302.13643-1-cohuck@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 [10.5.110.40]); Mon, 20 May 2019 17:10:36 +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 42/54] s390x/tcg: Implement VECTOR SUM ACROSS DOUBLEWORD X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-s390x@nongnu.org, Richard Henderson , qemu-devel@nongnu.org, David Hildenbrand Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: David Hildenbrand Perform the calculations without a helper. Only 16 bit or 32 bit values have to be added. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 29 +++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index a8d90517f613..dd370030824e 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1182,6 +1182,8 @@ F(0xe7bf, VSBI, VRR_d, V, 0, 0, 0, 0, vsbi, 0, IF_VEC) /* VECTOR SUBTRACT WITH BORROW COMPUTE BORROW INDICATION */ F(0xe7bd, VSBCBI, VRR_d, V, 0, 0, 0, 0, vsbcbi, 0, IF_VEC) +/* VECTOR SUM ACROSS DOUBLEWORD */ + F(0xe765, VSUMG, VRR_c, V, 0, 0, 0, 0, vsumg, 0, IF_VEC) =20 #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.= inc.c index 85cd5f03b352..7b4efee5c0a2 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2252,3 +2252,32 @@ static DisasJumpType op_vsbcbi(DisasContext *s, Di= sasOps *o) get_field(s->fields, v4)); return DISAS_NEXT; } + +static DisasJumpType op_vsumg(DisasContext *s, DisasOps *o) +{ + const uint8_t es =3D get_field(s->fields, m4); + TCGv_i64 sum, tmp; + uint8_t dst_idx; + + if (es =3D=3D ES_8 || es > ES_32) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + sum =3D tcg_temp_new_i64(); + tmp =3D tcg_temp_new_i64(); + for (dst_idx =3D 0; dst_idx < 2; dst_idx++) { + uint8_t idx =3D dst_idx * NUM_VEC_ELEMENTS(es) / 2; + const uint8_t max_idx =3D idx + NUM_VEC_ELEMENTS(es) / 2 - 1; + + read_vec_element_i64(sum, get_field(s->fields, v3), max_idx, es)= ; + for (; idx <=3D max_idx; idx++) { + read_vec_element_i64(tmp, get_field(s->fields, v2), idx, es)= ; + tcg_gen_add_i64(sum, sum, tmp); + } + write_vec_element_i64(sum, get_field(s->fields, v1), dst_idx, ES= _64); + } + tcg_temp_free_i64(sum); + tcg_temp_free_i64(tmp); + return DISAS_NEXT; +} --=20 2.20.1