From nobody Mon Feb 9 02:50:57 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1558089059; cv=none; d=zoho.com; s=zohoarc; b=bugTImX42Mcbm8oIponO3CI6mX3iZr/LyKIacN6IIYehsmvOXuI/PCj7VPm8/6yd2Q8zp/Mi2skyNaMXvQzgOXC/QloQZoXd7xMjBlC8/7KQ+ULCl6lb/DaJqA+QSNaHb5CBtxO4+DLnLvbqsRNFFMtmfB+89oDErMhINsjR8gU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1558089059; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=h5rYzuiJzT6lb7uQiumF1t6hcnK6ue6YBAXDRCrPaPQ=; b=SFa/PKx/toSDwbd7vHKG3tbJVptY6+iLMLMjFL8/DzKk+0rOpUs9kSJs106Zk5dQ0MNIHhtHEN+RYum1CgUQ5YzbFND05EjlCncXnnQgihcqjHIhzWZ1urvyaZxQSvAQPgJsuqOD481obf7Zm2X0bTZmh17idNWbLgNxM0J2R8A= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 1558089059655345.0130230366767; Fri, 17 May 2019 03:30:59 -0700 (PDT) Received: from localhost ([127.0.0.1]:45902 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRa8b-0008Km-JT for importer@patchew.org; Fri, 17 May 2019 06:30:53 -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) 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 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" 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) =20 #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.in= c.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, Disa= sOps *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_6= 4); + } + tcg_temp_free_i64(sum); + tcg_temp_free_i64(tmp); + return DISAS_NEXT; +} --=20 2.20.1