From nobody Mon Nov 10 19:09:07 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 ARC-Seal: i=1; a=rsa-sha256; t=1558372338; cv=none; d=zoho.com; s=zohoarc; b=aLSJ5/fj7JIFG+z8LFI4rFMlNLDpcJMz88XFFw+tWZlpA1FsqKRMbQ8VvPs1tP3kdCLHF4ZECXgJ1wacbHl5xJ3vBqaQb96SJnwDqTsy4sACCxYATyZOpRZrW9DbsUTkTmTqThJlN2Zo8yvOnDPcjGtoiaDg8XCiyOOAPN26f/E= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1558372338; 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=OXorM/ZvszyMchnYzVI0C+UG+fSbFHJfVr8InzMfGEs=; b=Y66G8fkZIrzS4jIeBMlIJ+PNHAnzNVintGufyaIblBs5DvtW7zuawLlqxm1CVRjBsIzr2anUQatkatZ0fISUjuUMSiUHjfmktF815z5NP9FuEiiskEEiKcgc1u8VY1AB30IbHsufdqPQrP1olv/7Vxd8Sl621Mso41EWc5hRF20= 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 1558372338456536.5149693708767; Mon, 20 May 2019 10:12:18 -0700 (PDT) Received: from localhost ([127.0.0.1]:38880 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hSlpZ-0007Ev-2k for importer@patchew.org; Mon, 20 May 2019 13:12:09 -0400 Received: from eggs.gnu.org ([209.51.188.92]:52907) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hSliI-0000sN-6n for qemu-devel@nongnu.org; Mon, 20 May 2019 13:04:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hSliD-0002jg-CJ for qemu-devel@nongnu.org; Mon, 20 May 2019 13:04:35 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38834) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hSliD-0002hO-4i; Mon, 20 May 2019 13:04:33 -0400 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 64DB95946B; Mon, 20 May 2019 17:04:19 +0000 (UTC) Received: from localhost (ovpn-204-110.brq.redhat.com [10.40.204.110]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 5AABC600CC; Mon, 20 May 2019 17:04:15 +0000 (UTC) From: Cornelia Huck To: Peter Maydell Date: Mon, 20 May 2019 19:02:16 +0200 Message-Id: <20190520170302.13643-9-cohuck@redhat.com> In-Reply-To: <20190520170302.13643-1-cohuck@redhat.com> References: <20190520170302.13643-1-cohuck@redhat.com> MIME-Version: 1.0 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 [10.5.110.39]); Mon, 20 May 2019 17:04:19 +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 08/54] 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: qemu-s390x@nongnu.org, Richard Henderson , qemu-devel@nongnu.org, David Hildenbrand Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: David Hildenbrand 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 f0e62b9aa860..38d1e22a6d54 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 a97fce5b656b..d3d3442c0d2e 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