From nobody Sun Nov 9 16:23:50 2025 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1551182008998529.4303874019234; Tue, 26 Feb 2019 03:53:28 -0800 (PST) Received: from localhost ([127.0.0.1]:53562 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gybIV-0005zd-Sa for importer@patchew.org; Tue, 26 Feb 2019 06:53:19 -0500 Received: from eggs.gnu.org ([209.51.188.92]:47535) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gyb5d-0004nW-Ig for qemu-devel@nongnu.org; Tue, 26 Feb 2019 06:40:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gyb5V-0006xb-CS for qemu-devel@nongnu.org; Tue, 26 Feb 2019 06:39:57 -0500 Received: from mx1.redhat.com ([209.132.183.28]:40228) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gyb5S-0006lu-1A; Tue, 26 Feb 2019 06:39:51 -0500 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 50D7F30BD1E3; Tue, 26 Feb 2019 11:39:36 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-93.ams2.redhat.com [10.36.117.93]) by smtp.corp.redhat.com (Postfix) with ESMTP id EBD32600C0; Tue, 26 Feb 2019 11:39:34 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Tue, 26 Feb 2019 12:38:50 +0100 Message-Id: <20190226113915.20150-9-david@redhat.com> In-Reply-To: <20190226113915.20150-1-david@redhat.com> References: <20190226113915.20150-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Tue, 26 Feb 2019 11:39:36 +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] [PATCH v1 08/33] s390x/tcg: Implement VECTOR LOAD 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, Cornelia Huck , David Hildenbrand , Thomas Huth , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" When loading from memory, load to our temporary vector first, so in case we get an access exception on the second 64 bit element, the vector won't get modified. Loading with strange alingment from the end of the address space will not properly wrap, we can ignore that for now. Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 3 +++ target/s390x/translate_vx.inc.c | 18 ++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index a3a0df7788..c6dd70f2fd 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -981,6 +981,9 @@ F(0xe744, VGBM, VRI_a, V, 0, 0, 0, 0, vgbm, 0, IF_VEC) /* VECTOR GENERATE MASK */ F(0xe746, VGM, VRI_b, V, 0, 0, 0, 0, vgm, 0, IF_VEC) +/* VECTOR LOAD */ + F(0xe706, VL, VRX, V, la2, 0, 0, 0, vl, 0, IF_VEC) + F(0xe756, VLR, VRR_a, V, 0, 0, 0, 0, vlr, 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 ed63b2ca22..9af5639bfe 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -139,6 +139,9 @@ static void load_vec_element(DisasContext *s, uint8_t r= eg, uint8_t enr, =20 #define gen_gvec_dup_i64(es, v1, c) \ tcg_gen_gvec_dup_i64(es, vec_full_reg_offset(v1), 16, 16, c) +#define gen_gvec_mov(v1, v2) \ + tcg_gen_gvec_mov(0, vec_full_reg_offset(v1), vec_full_reg_offset(v2), = 16, \ + 16) =20 static DisasJumpType op_vge(DisasContext *s, DisasOps *o) { @@ -209,3 +212,18 @@ static DisasJumpType op_vgm(DisasContext *s, DisasOps = *o) tcg_temp_free_i64(tmp); return DISAS_NEXT; } + +static DisasJumpType op_vl(DisasContext *s, DisasOps *o) +{ + load_vec_element(s, TMP_VREG_0, 0, o->addr1, MO_64); + gen_addi_and_wrap_i64(s, o->addr1, o->addr1, 8); + load_vec_element(s, TMP_VREG_0, 1, o->addr1, MO_64); + gen_gvec_mov(get_field(s->fields, v1), TMP_VREG_0); + return DISAS_NEXT; +} + +static DisasJumpType op_vlr(DisasContext *s, DisasOps *o) +{ + gen_gvec_mov(get_field(s->fields, v1), get_field(s->fields, v2)); + return DISAS_NEXT; +} --=20 2.17.2