From patchwork Thu Apr 28 09:47:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 1623553 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.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=iUzeYfhh; dkim-atps=neutral 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=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4KprrK29wgz9s0B for ; 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bh=SAJHZO6bEdLdnYTfsH08ttpsecZt7b8+LsqwCUYBKWM=; b=iUzeYfhh2x49Ehs76zkRopJjrId902Lp6IvyT4MXYZu+GsFXY59fvFdcP8YE/SSIYp8Yq8 ceurY1dCEbA2/yifMVLv+B2/WQnhy3cWrOgEl8G7Pd2yx4C8BJu3+HPiI+T0Xu6+zHQ+tS nfymZPbkrzz90W2rymiQRkXMM+wc4kw= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-607-d9Lz9lWnPvaszxFqgU-g-w-1; Thu, 28 Apr 2022 05:47:31 -0400 X-MC-Unique: d9Lz9lWnPvaszxFqgU-g-w-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 66718101AA52; Thu, 28 Apr 2022 09:47:31 +0000 (UTC) Received: from t480s.redhat.com (unknown [10.39.194.113]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5691940CFD1A; Thu, 28 Apr 2022 09:47:29 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Subject: [PATCH v6 08/13] target/s390x: vxeh2: vector shift double by bit Date: Thu, 28 Apr 2022 11:47:03 +0200 Message-Id: <20220428094708.84835-9-david@redhat.com> In-Reply-To: <20220428094708.84835-1-david@redhat.com> References: <20220428094708.84835-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.11.54.1 Received-SPF: pass client-ip=170.10.129.124; envelope-from=david@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , Cornelia Huck , Richard Henderson , Eric Farman , David Miller , Halil Pasic , qemu-s390x@nongnu.org, Christian Borntraeger Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: David Miller Signed-off-by: David Miller Signed-off-by: Richard Henderson Tested-by: Thomas Huth Signed-off-by: David Hildenbrand --- target/s390x/tcg/insn-data.def | 6 +++- target/s390x/tcg/translate_vx.c.inc | 55 +++++++++++++++++++++++++---- 2 files changed, 53 insertions(+), 8 deletions(-) diff --git a/target/s390x/tcg/insn-data.def b/target/s390x/tcg/insn-data.def index f487a64abf..98a31a557d 100644 --- a/target/s390x/tcg/insn-data.def +++ b/target/s390x/tcg/insn-data.def @@ -1207,12 +1207,16 @@ E(0xe774, VSL, VRR_c, V, 0, 0, 0, 0, vsl, 0, 0, IF_VEC) /* VECTOR SHIFT LEFT BY BYTE */ E(0xe775, VSLB, VRR_c, V, 0, 0, 0, 0, vsl, 0, 1, IF_VEC) +/* VECTOR SHIFT LEFT DOUBLE BY BIT */ + E(0xe786, VSLD, VRI_d, VE2, 0, 0, 0, 0, vsld, 0, 0, IF_VEC) /* VECTOR SHIFT LEFT DOUBLE BY BYTE */ - F(0xe777, VSLDB, VRI_d, V, 0, 0, 0, 0, vsldb, 0, IF_VEC) + E(0xe777, VSLDB, VRI_d, V, 0, 0, 0, 0, vsld, 0, 1, IF_VEC) /* VECTOR SHIFT RIGHT ARITHMETIC */ E(0xe77e, VSRA, VRR_c, V, 0, 0, 0, 0, vsra, 0, 0, IF_VEC) /* VECTOR SHIFT RIGHT ARITHMETIC BY BYTE */ E(0xe77f, VSRAB, VRR_c, V, 0, 0, 0, 0, vsra, 0, 1, IF_VEC) +/* VECTOR SHIFT RIGHT DOUBLE BY BIT */ + F(0xe787, VSRD, VRI_d, VE2, 0, 0, 0, 0, vsrd, 0, IF_VEC) /* VECTOR SHIFT RIGHT LOGICAL */ E(0xe77c, VSRL, VRR_c, V, 0, 0, 0, 0, vsrl, 0, 0, IF_VEC) /* VECTOR SHIFT RIGHT LOGICAL BY BYTE */ diff --git a/target/s390x/tcg/translate_vx.c.inc b/target/s390x/tcg/translate_vx.c.inc index 81673ea68f..cb6540673d 100644 --- a/target/s390x/tcg/translate_vx.c.inc +++ b/target/s390x/tcg/translate_vx.c.inc @@ -2056,14 +2056,23 @@ static DisasJumpType op_vsrl(DisasContext *s, DisasOps *o) gen_helper_gvec_vsrl_ve2); } -static DisasJumpType op_vsldb(DisasContext *s, DisasOps *o) +static DisasJumpType op_vsld(DisasContext *s, DisasOps *o) { - const uint8_t i4 = get_field(s, i4) & 0xf; - const int left_shift = (i4 & 7) * 8; - const int right_shift = 64 - left_shift; - TCGv_i64 t0 = tcg_temp_new_i64(); - TCGv_i64 t1 = tcg_temp_new_i64(); - TCGv_i64 t2 = tcg_temp_new_i64(); + const bool byte = s->insn->data; + const uint8_t mask = byte ? 15 : 7; + const uint8_t mul = byte ? 8 : 1; + const uint8_t i4 = get_field(s, i4); + const int right_shift = 64 - (i4 & 7) * mul; + TCGv_i64 t0, t1, t2; + + if (i4 & ~mask) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + t2 = tcg_temp_new_i64(); if ((i4 & 8) == 0) { read_vec_element_i64(t0, get_field(s, v2), 0, ES_64); @@ -2074,8 +2083,40 @@ static DisasJumpType op_vsldb(DisasContext *s, DisasOps *o) read_vec_element_i64(t1, get_field(s, v3), 0, ES_64); read_vec_element_i64(t2, get_field(s, v3), 1, ES_64); } + tcg_gen_extract2_i64(t0, t1, t0, right_shift); tcg_gen_extract2_i64(t1, t2, t1, right_shift); + + write_vec_element_i64(t0, get_field(s, v1), 0, ES_64); + write_vec_element_i64(t1, get_field(s, v1), 1, ES_64); + + tcg_temp_free(t0); + tcg_temp_free(t1); + tcg_temp_free(t2); + return DISAS_NEXT; +} + +static DisasJumpType op_vsrd(DisasContext *s, DisasOps *o) +{ + const uint8_t i4 = get_field(s, i4); + TCGv_i64 t0, t1, t2; + + if (i4 & ~7) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + t2 = tcg_temp_new_i64(); + + read_vec_element_i64(t0, get_field(s, v2), 1, ES_64); + read_vec_element_i64(t1, get_field(s, v3), 0, ES_64); + read_vec_element_i64(t2, get_field(s, v3), 1, ES_64); + + tcg_gen_extract2_i64(t0, t1, t0, i4); + tcg_gen_extract2_i64(t1, t2, t1, i4); + write_vec_element_i64(t0, get_field(s, v1), 0, ES_64); write_vec_element_i64(t1, get_field(s, v1), 1, ES_64);