From nobody Sat Feb 7 07:24:28 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=1556806355; cv=none; d=zoho.com; s=zohoarc; b=BEe9Ob5pCI5jNJaFGRx0io3B6akz+2/ovKZfJEgQ9qQPvcXhPMYuUFl0xuZBw4N4OFcpketIZdJ/nilLjRrq9ghvzVanLOtOXGNkunr1XS/IKK8WbdsBaf1KqW3kz379s/aqseH14nGnq2Hq7Hy608pALqzBCd309j5gXKkSpww= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1556806355; 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=60jjAMQ4F1phmR3xzQKOUuHz5jElsL7paOtMLofRlJg=; b=QRcHzGmZjtDUGFmlZNbGvGfiKx1/Q7rVGClhHl63rn5ZKA4JrN+U5Gp9WOXX2YMeWeSVI9RRWChsDob3phkIvP5NXRb7rI9H2QNzRdG7u7VgAhob6h/E7yD9eKdBK2Rh1Vt+KYNznngqnsi+BEt3ZTaT453xBXJ5cD/HHCAvWME= 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 (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1556806355124189.39566178258588; Thu, 2 May 2019 07:12:35 -0700 (PDT) Received: from localhost ([127.0.0.1]:51733 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hMCRs-0001Sj-3t for importer@patchew.org; Thu, 02 May 2019 10:12:32 -0400 Received: from eggs.gnu.org ([209.51.188.92]:38212) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hMCPu-0007qW-UK for qemu-devel@nongnu.org; Thu, 02 May 2019 10:10:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hMCPt-0005vJ-Il for qemu-devel@nongnu.org; Thu, 02 May 2019 10:10:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52402) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hMCPt-0005uc-B5; Thu, 02 May 2019 10:10:29 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4119F30031B0; Thu, 2 May 2019 14:10:28 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-88.ams2.redhat.com [10.36.117.88]) by smtp.corp.redhat.com (Postfix) with ESMTP id B03C717D58; Thu, 2 May 2019 14:10:26 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Thu, 2 May 2019 16:09:40 +0200 Message-Id: <20190502141019.6385-2-david@redhat.com> In-Reply-To: <20190502141019.6385-1-david@redhat.com> References: <20190502141019.6385-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.40]); Thu, 02 May 2019 14:10:28 +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] [PATCH v3 01/40] s390x/tcg: Implement VECTOR ADD 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" Introduce two types of fancy new helpers that will be reused a couple of times 1. gen_gvec_fn_3: Call an existing tcg_gen_gvec_X function with 3 parameters, simplifying parameter passing 2. gen_gvec128_3_i64: Call a function that performs 128 bit calculations using two 64 bit values per vector. Luckily, for VECTOR ADD we already have everything we need. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 5 ++++ target/s390x/translate_vx.inc.c | 52 +++++++++++++++++++++++++++++++++ 2 files changed, 57 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 71fa9b8d6c..74a0ccc770 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1054,6 +1054,11 @@ /* VECTOR UNPACK LOGICAL LOW */ F(0xe7d4, VUPLL, VRR_a, V, 0, 0, 0, 0, vup, 0, IF_VEC) =20 +/* =3D=3D=3D Vector Integer Instructions =3D=3D=3D */ + +/* VECTOR ADD */ + F(0xe7f3, VA, VRR_c, V, 0, 0, 0, 0, va, 0, IF_VEC) + #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ E(0xb250, CSP, RRE, Z, r1_32u, ra2, r1_P, 0, csp, 0, MO_TEUL, = IF_PRIV) diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.in= c.c index 76f9a5d939..2f84ea0511 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -157,6 +157,41 @@ static void get_vec_element_ptr_i64(TCGv_ptr ptr, uint= 8_t reg, TCGv_i64 enr, 16) #define gen_gvec_dup64i(v1, c) \ tcg_gen_gvec_dup64i(vec_full_reg_offset(v1), 16, 16, c) +#define gen_gvec_fn_3(fn, es, v1, v2, v3) \ + tcg_gen_gvec_##fn(es, vec_full_reg_offset(v1), vec_full_reg_offset(v2)= , \ + vec_full_reg_offset(v3), 16, 16) + +/* + * Helper to carry out a 128 bit vector computation using 2 i64 values per + * vector. + */ +typedef void (*gen_gvec128_3_i64_fn)(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, + TCGv_i64 ah, TCGv_i64 bl, TCGv_i64 bh= ); +static void gen_gvec128_3_i64(gen_gvec128_3_i64_fn fn, uint8_t d, uint8_t = a, + uint8_t b) +{ + TCGv_i64 dh =3D tcg_temp_new_i64(); + TCGv_i64 dl =3D tcg_temp_new_i64(); + TCGv_i64 ah =3D tcg_temp_new_i64(); + TCGv_i64 al =3D tcg_temp_new_i64(); + TCGv_i64 bh =3D tcg_temp_new_i64(); + TCGv_i64 bl =3D tcg_temp_new_i64(); + + read_vec_element_i64(ah, a, 0, ES_64); + read_vec_element_i64(al, a, 1, ES_64); + read_vec_element_i64(bh, b, 0, ES_64); + read_vec_element_i64(bl, b, 1, ES_64); + fn(dl, dh, al, ah, bl, bh); + write_vec_element_i64(dh, d, 0, ES_64); + write_vec_element_i64(dl, d, 1, ES_64); + + tcg_temp_free_i64(dh); + tcg_temp_free_i64(dl); + tcg_temp_free_i64(ah); + tcg_temp_free_i64(al); + tcg_temp_free_i64(bh); + tcg_temp_free_i64(bl); +} =20 static void gen_gvec_dupi(uint8_t es, uint8_t reg, uint64_t c) { @@ -933,3 +968,20 @@ static DisasJumpType op_vup(DisasContext *s, DisasOps = *o) tcg_temp_free_i64(tmp); return DISAS_NEXT; } + +static DisasJumpType op_va(DisasContext *s, DisasOps *o) +{ + const uint8_t es =3D get_field(s->fields, m4); + + if (es > ES_128) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } else if (es =3D=3D ES_128) { + gen_gvec128_3_i64(tcg_gen_add2_i64, get_field(s->fields, v1), + get_field(s->fields, v2), get_field(s->fields, v= 3)); + return DISAS_NEXT; + } + gen_gvec_fn_3(add, es, get_field(s->fields, v1), get_field(s->fields, = v2), + get_field(s->fields, v3)); + return DISAS_NEXT; +} --=20 2.20.1