From patchwork Fri May 17 10:21:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 10947673 Return-Path: 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 06F21112C for ; Fri, 17 May 2019 10:30:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E9B3820501 for ; Fri, 17 May 2019 10:30:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DD936266F3; Fri, 17 May 2019 10:30:17 +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 888E120501 for ; Fri, 17 May 2019 10:30:17 +0000 (UTC) Received: from localhost ([127.0.0.1]:45902 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRa80-0008Km-Qm for patchwork-qemu-devel@patchwork.kernel.org; Fri, 17 May 2019 06:30:16 -0400 Received: from eggs.gnu.org ([209.51.188.92]:49256) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRa6J-0006HC-Qz for qemu-devel@nongnu.org; Fri, 17 May 2019 06:28:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hRa29-0005SR-IT for qemu-devel@nongnu.org; Fri, 17 May 2019 06:24:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40420) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hRa29-0005SA-DD; Fri, 17 May 2019 06:24:13 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A49AF30832F2; Fri, 17 May 2019 10:24:12 +0000 (UTC) Received: from t460s.redhat.com (unknown [10.36.118.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id 25EB419732; Fri, 17 May 2019 10:24:10 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 17 May 2019 12:21:42 +0200 Message-Id: <20190517102145.21812-38-david@redhat.com> In-Reply-To: <20190517102145.21812-1-david@redhat.com> References: <20190517102145.21812-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.44]); Fri, 17 May 2019 10:24:12 +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 SUBSYSTEM s390x 37/40] 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: Thomas Huth , David Hildenbrand , Cornelia Huck , Richard Henderson , qemu-s390x@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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 a8d90517f6..dd37003082 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) #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 85cd5f03b3..7b4efee5c0 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, DisasOps *o) get_field(s->fields, v4)); return DISAS_NEXT; } + +static DisasJumpType op_vsumg(DisasContext *s, DisasOps *o) +{ + const uint8_t es = get_field(s->fields, m4); + TCGv_i64 sum, tmp; + uint8_t dst_idx; + + if (es == ES_8 || es > ES_32) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + sum = tcg_temp_new_i64(); + tmp = tcg_temp_new_i64(); + for (dst_idx = 0; dst_idx < 2; dst_idx++) { + uint8_t idx = dst_idx * NUM_VEC_ELEMENTS(es) / 2; + const uint8_t max_idx = idx + NUM_VEC_ELEMENTS(es) / 2 - 1; + + read_vec_element_i64(sum, get_field(s->fields, v3), max_idx, es); + for (; idx <= 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; +}