From nobody Mon Nov 10 19:10:44 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=1558373082; cv=none; d=zoho.com; s=zohoarc; b=jausk80bu147LdOAPr2OkmLhmMeTlKRI6A2BAQpTA3ACuZQHBKuA1SCzNEFyTekglRURbte5p6voRRGNSQF8z+AasTe8C9WD4fEBaRV/P/GfPV3dmdu3Wqk9N1sTsv1KE073IhpKVtlhnoelFyNKFugnw3noFw855aY5aFLlFws= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1558373082; 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=b9jZzpWTWVNxNEeo21TArsn2G6AG7dAoIULHdxqAY9E=; b=iPdblsjD7xtcXYfsiBMTmhULmPXumIyEFdcDIRkOyCMaBPWNa2uYJJcxdU78oWZC8N9Ho6hAEJVKQ+dWlq3420RlUxbAMMuEKDMzN88BvKY86A3YlCH6tvL3kyJQucW652dgltHVS78GogJbWraivd8rq1YltP7ljsyVgvUOrrM= 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 1558373082058334.3216474468504; Mon, 20 May 2019 10:24:42 -0700 (PDT) Received: from localhost ([127.0.0.1]:39086 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hSm1Y-0001I7-39 for importer@patchew.org; Mon, 20 May 2019 13:24:32 -0400 Received: from eggs.gnu.org ([209.51.188.92]:55076) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hSlnn-0005lm-Hd for qemu-devel@nongnu.org; Mon, 20 May 2019 13:10:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hSlnl-00058t-G7 for qemu-devel@nongnu.org; Mon, 20 May 2019 13:10:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45822) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hSlnj-000573-HY; Mon, 20 May 2019 13:10:17 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DE100330247; Mon, 20 May 2019 17:10:04 +0000 (UTC) Received: from localhost (ovpn-204-110.brq.redhat.com [10.40.204.110]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 21F551001F54; Mon, 20 May 2019 17:09:47 +0000 (UTC) From: Cornelia Huck To: Peter Maydell Date: Mon, 20 May 2019 19:02:46 +0200 Message-Id: <20190520170302.13643-39-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 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Mon, 20 May 2019 17:10:14 +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 38/54] s390x/tcg: Implement VECTOR SUBTRACT 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 We can use tcg_gen_sub2_i64() to do 128-bit subtraction and otherwise existing gvec helpers. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 17 +++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index f3bf9edfcab5..58a61f41efeb 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1174,6 +1174,8 @@ F(0xe77c, VSRL, VRR_c, V, 0, 0, 0, 0, vsrl, 0, IF_VEC) /* VECTOR SHIFT RIGHT LOGICAL BY BYTE */ F(0xe77d, VSRLB, VRR_c, V, 0, 0, 0, 0, vsrl, 0, IF_VEC) +/* VECTOR SUBTRACT */ + F(0xe7f7, VS, VRR_c, V, 0, 0, 0, 0, vs, 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 5dfbf1bcd408..5f53ae7ec546 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2123,3 +2123,20 @@ static DisasJumpType op_vsrl(DisasContext *s, DisasO= ps *o) tcg_temp_free_i64(shift); return DISAS_NEXT; } + +static DisasJumpType op_vs(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_sub2_i64, get_field(s->fields, v1), + get_field(s->fields, v2), get_field(s->fields, v= 3)); + return DISAS_NEXT; + } + gen_gvec_fn_3(sub, es, get_field(s->fields, v1), get_field(s->fields, = v2), + get_field(s->fields, v3)); + return DISAS_NEXT; +} --=20 2.20.1