From patchwork Mon May 20 17:02:51 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cornelia Huck X-Patchwork-Id: 1102278 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45761b2yrcz9sBK for ; Tue, 21 May 2019 03:52:51 +1000 (AEST) Received: from localhost ([127.0.0.1]:39617 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hSmSu-0007XN-W6 for incoming@patchwork.ozlabs.org; Mon, 20 May 2019 13:52:49 -0400 Received: from eggs.gnu.org ([209.51.188.92]:55341) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hSlog-0006za-Qi for qemu-devel@nongnu.org; Mon, 20 May 2019 13:11:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hSloe-0005Zf-Th for qemu-devel@nongnu.org; Mon, 20 May 2019 13:11:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47018) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hSlod-0005Yj-AW; Mon, 20 May 2019 13:11:11 -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 B482D356EA; Mon, 20 May 2019 17:10:57 +0000 (UTC) Received: from localhost (ovpn-204-110.brq.redhat.com [10.40.204.110]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C099460BFC; Mon, 20 May 2019 17:10:38 +0000 (UTC) From: Cornelia Huck To: Peter Maydell Date: Mon, 20 May 2019 19:02:51 +0200 Message-Id: <20190520170302.13643-44-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 [10.5.110.30]); Mon, 20 May 2019 17:11:00 +0000 (UTC) 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 43/54] s390x/tcg: Implement VECTOR SUM ACROSS QUADWORD 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: David Hildenbrand Similar to VECTOR SUM ACROSS DOUBLEWORD, however without a loop and using 128-bit calculations. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index dd370030824e..2483ee01d7fe 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1184,6 +1184,8 @@ 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) +/* VECTOR SUM ACROSS QUADWORD */ + F(0xe767, VSUMQ, VRR_c, V, 0, 0, 0, 0, vsumq, 0, IF_VEC) #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 7b4efee5c0a2..16bfbfce5738 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2281,3 +2281,35 @@ static DisasJumpType op_vsumg(DisasContext *s, DisasOps *o) tcg_temp_free_i64(tmp); return DISAS_NEXT; } + +static DisasJumpType op_vsumq(DisasContext *s, DisasOps *o) +{ + const uint8_t es = get_field(s->fields, m4); + const uint8_t max_idx = NUM_VEC_ELEMENTS(es) - 1; + TCGv_i64 sumh, suml, zero, tmpl; + uint8_t idx; + + if (es < ES_32 || es > ES_64) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + sumh = tcg_const_i64(0); + suml = tcg_temp_new_i64(); + zero = tcg_const_i64(0); + tmpl = tcg_temp_new_i64(); + + read_vec_element_i64(suml, get_field(s->fields, v3), max_idx, es); + for (idx = 0; idx <= max_idx; idx++) { + read_vec_element_i64(tmpl, get_field(s->fields, v2), idx, es); + tcg_gen_add2_i64(suml, sumh, suml, sumh, tmpl, zero); + } + write_vec_element_i64(sumh, get_field(s->fields, v1), 0, ES_64); + write_vec_element_i64(suml, get_field(s->fields, v1), 1, ES_64); + + tcg_temp_free_i64(sumh); + tcg_temp_free_i64(suml); + tcg_temp_free_i64(zero); + tcg_temp_free_i64(tmpl); + return DISAS_NEXT; +}