From patchwork Fri Mar 1 11:53:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 10835037 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 D2A591390 for ; Fri, 1 Mar 2019 12:11:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BEBAD2EE23 for ; Fri, 1 Mar 2019 12:11:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B2D752EE6A; Fri, 1 Mar 2019 12:11:07 +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=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI 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 55BDD2EE23 for ; Fri, 1 Mar 2019 12:11:07 +0000 (UTC) Received: from localhost ([127.0.0.1]:36456 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gzh0M-00084p-KO for patchwork-qemu-devel@patchwork.kernel.org; Fri, 01 Mar 2019 07:11:06 -0500 Received: from eggs.gnu.org ([209.51.188.92]:40125) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gzgko-0003LB-Kl for qemu-devel@nongnu.org; Fri, 01 Mar 2019 06:55:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gzgkn-0006fS-UO for qemu-devel@nongnu.org; Fri, 01 Mar 2019 06:55:02 -0500 Received: from mx1.redhat.com ([209.132.183.28]:43290) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gzgkn-0006eu-NU; Fri, 01 Mar 2019 06:55:01 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 11AA13087E65; Fri, 1 Mar 2019 11:54:59 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-149.ams2.redhat.com [10.36.117.149]) by smtp.corp.redhat.com (Postfix) with ESMTP id B4AF45C1B5; Fri, 1 Mar 2019 11:54:57 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 1 Mar 2019 12:53:58 +0100 Message-Id: <20190301115413.27153-18-david@redhat.com> In-Reply-To: <20190301115413.27153-1-david@redhat.com> References: <20190301115413.27153-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Fri, 01 Mar 2019 11:54:59 +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 v2 17/32] s390x/tcg: Implement VECTOR LOAD WITH LENGTH 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP We can reuse the helper introduced along with VECTOR LOAD TO BLOCK BOUNDARY. We just have to take care of converting the highest index into a length. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 ++ target/s390x/translate.c | 7 +++++++ target/s390x/translate_vx.inc.c | 13 +++++++++++++ 3 files changed, 22 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index bdd66758fa..3c0b14bafd 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1008,6 +1008,8 @@ F(0xe722, VLVG, VRS_b, V, la2, r3, 0, 0, vlvg, 0, IF_VEC) /* VECTOR LOAD VR FROM GRS DISJOINT */ F(0xe762, VLVGP, VRR_f, V, r2, r3, 0, 0, vlvgp, 0, IF_VEC) +/* VECTOR LOAD WITH LENGTH */ + F(0xe737, VLL, VRS_b, V, la2, r3_32u, 0, 0, vll, 0, IF_VEC) #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 588fc21dd2..0afa8f7ca5 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -5794,6 +5794,13 @@ static void in2_r3_sr32(DisasContext *s, DisasFields *f, DisasOps *o) } #define SPEC_in2_r3_sr32 0 +static void in2_r3_32u(DisasContext *s, DisasFields *f, DisasOps *o) +{ + o->in2 = tcg_temp_new_i64(); + tcg_gen_ext32u_i64(o->in2, regs[get_field(f, r3)]); +} +#define SPEC_in2_r3_32u 0 + static void in2_r2_32s(DisasContext *s, DisasFields *f, DisasOps *o) { o->in2 = tcg_temp_new_i64(); diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c index f9e3ee2aa4..0ce9de2332 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -513,3 +513,16 @@ static DisasJumpType op_vlvgp(DisasContext *s, DisasOps *o) write_vec_element_i64(o->in2, get_field(s->fields, v1), 1, ES_64); return DISAS_NEXT; } + +static DisasJumpType op_vll(DisasContext *s, DisasOps *o) +{ + const int v1_offs = vec_full_reg_offset(get_field(s->fields, v1)); + TCGv_ptr a0 = tcg_temp_new_ptr(); + + /* convert highest index into an actual length */ + tcg_gen_addi_i64(o->in2, o->in2, 1); + tcg_gen_addi_ptr(a0, cpu_env, v1_offs); + gen_helper_vll(cpu_env, a0, o->addr1, o->in2); + tcg_temp_free_ptr(a0); + return DISAS_NEXT; +}