From nobody Sun Feb 8 20:34:31 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=1558091242; cv=none; d=zoho.com; s=zohoarc; b=RwYIFN876Qolgj8XMXLLl0t+WmUtgVj+ib42j9tZbRvfqgcD0fAu4K9Dr4hhBQu2m1wGRt6J/FXRwfl3BfezrCxgTFpV+OseFlYca7kPfB5bauS8QGW9mzn6PaBy1lUbQ4A5IT7XcrPuAWh/YWYqudUHMhYRQDijnvjNQDTq858= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1558091242; 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=o6o9uRRNGYsWziz4JZyN+XC0WssuUQz2Onl1TsNHwEY=; b=UhIujUBzlRaRfKwi7di/RLi5S4F+dZNaQ73vA8P851QuaYDK2u6OZLlYq7EBFxukd9FsqAZIsU7WPeEgB1gxvqcKtU+1U/fmoU+uYJ6zW/uWh46jpJdVUStOY4yjUbNSiyGGhBtsOdy4b90Nbxx68pXfyzw4/PRe90RzGhnhA24= 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 1558091242597357.1197428372993; Fri, 17 May 2019 04:07:22 -0700 (PDT) Received: from localhost ([127.0.0.1]:46564 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRahn-0006na-5j for importer@patchew.org; Fri, 17 May 2019 07:07:15 -0400 Received: from eggs.gnu.org ([209.51.188.92]:49348) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRa6p-0006QX-VF for qemu-devel@nongnu.org; Fri, 17 May 2019 06:29:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hRa0b-0004Me-ST for qemu-devel@nongnu.org; Fri, 17 May 2019 06:22:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38478) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hRa0b-0004M9-L3; Fri, 17 May 2019 06:22:37 -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 E4F4E9FDCB; Fri, 17 May 2019 10:22:36 +0000 (UTC) Received: from t460s.redhat.com (unknown [10.36.118.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id 59A5338E09; Fri, 17 May 2019 10:22:35 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 17 May 2019 12:21:08 +0200 Message-Id: <20190517102145.21812-4-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 [10.5.110.39]); Fri, 17 May 2019 10:22:36 +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 03/40] s390x/tcg: Implement VECTOR ADD WITH CARRY 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" Only slightly ugly, perform two additions. At least it is only supported for 128 bit elements. Introduce gen_gvec128_4_i64() similar to gen_gvec128_3_i64(). Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 63 +++++++++++++++++++++++++++++++++ 2 files changed, 65 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index f0e62b9aa8..38d1e22a6d 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1060,6 +1060,8 @@ F(0xe7f3, VA, VRR_c, V, 0, 0, 0, 0, va, 0, IF_VEC) /* VECTOR ADD COMPUTE CARRY */ F(0xe7f1, VACC, VRR_c, V, 0, 0, 0, 0, vacc, 0, IF_VEC) +/* VECTOR ADD WITH CARRY */ + F(0xe7bb, VAC, VRR_d, V, 0, 0, 0, 0, vac, 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 a97fce5b65..d3d3442c0d 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -196,6 +196,41 @@ static void gen_gvec128_3_i64(gen_gvec128_3_i64_fn fn,= uint8_t d, uint8_t a, tcg_temp_free_i64(bl); } =20 +typedef void (*gen_gvec128_4_i64_fn)(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, + TCGv_i64 ah, TCGv_i64 bl, TCGv_i64 bh, + TCGv_i64 cl, TCGv_i64 ch); +static void gen_gvec128_4_i64(gen_gvec128_4_i64_fn fn, uint8_t d, uint8_t = a, + uint8_t b, uint8_t c) +{ + 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(); + TCGv_i64 ch =3D tcg_temp_new_i64(); + TCGv_i64 cl =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); + read_vec_element_i64(ch, c, 0, ES_64); + read_vec_element_i64(cl, c, 1, ES_64); + fn(dl, dh, al, ah, bl, bh, cl, ch); + 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); + tcg_temp_free_i64(ch); + tcg_temp_free_i64(cl); +} + static void gen_gvec_dupi(uint8_t es, uint8_t reg, uint64_t c) { switch (es) { @@ -1083,3 +1118,31 @@ static DisasJumpType op_vacc(DisasContext *s, DisasO= ps *o) get_field(s->fields, v3), &g[es]); return DISAS_NEXT; } + +static void gen_ac2_i64(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, TCGv_i64 ah, + TCGv_i64 bl, TCGv_i64 bh, TCGv_i64 cl, TCGv_i64 ch) +{ + TCGv_i64 tl =3D tcg_temp_new_i64(); + TCGv_i64 th =3D tcg_const_i64(0); + + /* extract the carry only */ + tcg_gen_extract_i64(tl, cl, 0, 1); + tcg_gen_add2_i64(dl, dh, al, ah, bl, bh); + tcg_gen_add2_i64(dl, dh, dl, dh, tl, th); + + tcg_temp_free_i64(tl); + tcg_temp_free_i64(th); +} + +static DisasJumpType op_vac(DisasContext *s, DisasOps *o) +{ + if (get_field(s->fields, m5) !=3D ES_128) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + gen_gvec128_4_i64(gen_ac2_i64, get_field(s->fields, v1), + get_field(s->fields, v2), get_field(s->fields, v3), + get_field(s->fields, v4)); + return DISAS_NEXT; +} --=20 2.20.1