From patchwork Mon May 17 14:27:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 1479573 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=QK0DnMM2; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4FkMLY0vZyz9sWl for ; Tue, 18 May 2021 00:43:01 +1000 (AEST) Received: from localhost ([::1]:41626 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lieSR-0001Qt-4m for incoming@patchwork.ozlabs.org; Mon, 17 May 2021 10:42:59 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56954) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lieFA-0004ZF-WD for qemu-devel@nongnu.org; Mon, 17 May 2021 10:29:17 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:23205) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lieF7-0007bf-Ep for qemu-devel@nongnu.org; Mon, 17 May 2021 10:29:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621261752; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=80DrRtY3ngL2HYC0Qoc8yPBZ8FHCmYntac+3Sk2PzYY=; b=QK0DnMM2gYkoRZwKtiGTq4QKEZd/MIwJNpOAASIuKeumJU5Evgma02Dch5S8duKDTLtHZc mUcqS6UHcAq46cWAziv9F4PtXPPZnWRW/DhaK9x6tPG6GM/Oj6PnPGuitD8D8OvkYOiEJ2 3JGQroDhAzo3lO4V310isQ2Xid+2E1Y= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-520-GN0q95GbOjS2_35HpqIuVw-1; Mon, 17 May 2021 10:28:34 -0400 X-MC-Unique: GN0q95GbOjS2_35HpqIuVw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id F08AF1883526; Mon, 17 May 2021 14:28:32 +0000 (UTC) Received: from t480s.redhat.com (ovpn-115-101.ams2.redhat.com [10.36.115.101]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5558D5DDAD; Mon, 17 May 2021 14:28:30 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Subject: [PATCH v2 12/26] s390x/tcg: Implement VECTOR MULTIPLY SUM LOGICAL Date: Mon, 17 May 2021 16:27:25 +0200 Message-Id: <20210517142739.38597-13-david@redhat.com> In-Reply-To: <20210517142739.38597-1-david@redhat.com> References: <20210517142739.38597-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=david@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=david@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.374, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Thomas Huth , David Hildenbrand , Cornelia Huck , Richard Henderson , Halil Pasic , Christian Borntraeger , qemu-s390x@nongnu.org, =?utf-8?q?Alex_Benn=C3=A9e?= , Aurelien Jarno Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Fortunately, we only need the Doubleword implementation. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.c.inc | 50 +++++++++++++++++++++++++++++++++ 2 files changed, 52 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 1634a6bc5a..1a3ae7e7e7 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1151,6 +1151,8 @@ F(0xe7a7, VMO, VRR_c, V, 0, 0, 0, 0, vm, 0, IF_VEC) /* VECTOR MULTIPLY LOGICAL ODD */ F(0xe7a5, VMLO, VRR_c, V, 0, 0, 0, 0, vm, 0, IF_VEC) +/* VECTOR MULTIPLY SUM LOGICAL */ + F(0xe7b8, VMSL, VRR_d, VE, 0, 0, 0, 0, vmsl, 0, IF_VEC) /* VECTOR NAND */ F(0xe76e, VNN, VRR_c, VE, 0, 0, 0, 0, vnn, 0, IF_VEC) /* VECTOR NOR */ diff --git a/target/s390x/translate_vx.c.inc b/target/s390x/translate_vx.c.inc index 96283d4ddb..6e75b40eb8 100644 --- a/target/s390x/translate_vx.c.inc +++ b/target/s390x/translate_vx.c.inc @@ -1779,6 +1779,56 @@ static DisasJumpType op_vm(DisasContext *s, DisasOps *o) return DISAS_NEXT; } +static DisasJumpType op_vmsl(DisasContext *s, DisasOps *o) +{ + TCGv_i64 l1, h1, l2, h2; + + if (get_field(s, m4) != ES_64) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + l1 = tcg_temp_new_i64(); + h1 = tcg_temp_new_i64(); + l2 = tcg_temp_new_i64(); + h2 = tcg_temp_new_i64(); + + /* Multipy both even elements from v2 and v3 */ + read_vec_element_i64(l1, get_field(s, v2), 0, ES_64); + read_vec_element_i64(h1, get_field(s, v3), 0, ES_64); + tcg_gen_mulu2_i64(l1, h1, l1, h1); + /* Shift result left by one (x2) if requested */ + if (extract32(get_field(s, m6), 3, 1)) { + tcg_gen_add2_i64(l1, h1, l1, h1, l1, h1); + } + + /* Multipy both odd elements from v2 and v3 */ + read_vec_element_i64(l2, get_field(s, v2), 1, ES_64); + read_vec_element_i64(h2, get_field(s, v3), 1, ES_64); + tcg_gen_mulu2_i64(l2, h2, l2, h2); + /* Shift result left by one (x2) if requested */ + if (extract32(get_field(s, m6), 2, 1)) { + tcg_gen_add2_i64(l2, h2, l2, h2, l2, h2); + } + + /* Add both intermediate results */ + tcg_gen_add2_i64(l1, h1, l1, h1, l2, h2); + /* Add whole v4 */ + read_vec_element_i64(h2, get_field(s, v4), 0, ES_64); + read_vec_element_i64(l2, get_field(s, v4), 1, ES_64); + tcg_gen_add2_i64(l1, h1, l1, h1, l2, h2); + + /* Store final result into v1. */ + write_vec_element_i64(h1, get_field(s, v1), 0, ES_64); + write_vec_element_i64(l1, get_field(s, v1), 1, ES_64); + + tcg_temp_free_i64(l1); + tcg_temp_free_i64(h1); + tcg_temp_free_i64(l2); + tcg_temp_free_i64(h2); + return DISAS_NEXT; +} + static DisasJumpType op_vnn(DisasContext *s, DisasOps *o) { gen_gvec_fn_3(nand, ES_8, get_field(s, v1),