From patchwork Thu Apr 28 09:47:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 12830381 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 74D44C433F5 for ; Thu, 28 Apr 2022 10:18:23 +0000 (UTC) Received: from localhost ([::1]:53318 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nk1E6-0008BR-E2 for qemu-devel@archiver.kernel.org; Thu, 28 Apr 2022 06:18:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38670) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nk0kR-0003CC-AZ for qemu-devel@nongnu.org; Thu, 28 Apr 2022 05:47:43 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:25732) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nk0kP-0008Jv-Kn for qemu-devel@nongnu.org; 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Thu, 28 Apr 2022 09:47:34 +0000 (UTC) Received: from t480s.redhat.com (unknown [10.39.194.113]) by smtp.corp.redhat.com (Postfix) with ESMTP id B74AF40CFD16; Thu, 28 Apr 2022 09:47:31 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Subject: [PATCH v6 09/13] target/s390x: vxeh2: vector {load, store} elements reversed Date: Thu, 28 Apr 2022 11:47:04 +0200 Message-Id: <20220428094708.84835-10-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=170.10.133.124; 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: David Miller Signed-off-by: David Miller Signed-off-by: Richard Henderson Reviewed-by: David Hildenbrand Tested-by: Thomas Huth Signed-off-by: David Hildenbrand --- target/s390x/tcg/insn-data.def | 4 ++ target/s390x/tcg/translate_vx.c.inc | 84 +++++++++++++++++++++++++++++ 2 files changed, 88 insertions(+) diff --git a/target/s390x/tcg/insn-data.def b/target/s390x/tcg/insn-data.def index 98a31a557d..b524541a7d 100644 --- a/target/s390x/tcg/insn-data.def +++ b/target/s390x/tcg/insn-data.def @@ -1037,6 +1037,8 @@ E(0xe741, VLEIH, VRI_a, V, 0, 0, 0, 0, vlei, 0, ES_16, IF_VEC) E(0xe743, VLEIF, VRI_a, V, 0, 0, 0, 0, vlei, 0, ES_32, IF_VEC) E(0xe742, VLEIG, VRI_a, V, 0, 0, 0, 0, vlei, 0, ES_64, IF_VEC) +/* VECTOR LOAD ELEMENTS REVERSED */ + F(0xe607, VLER, VRX, VE2, la2, 0, 0, 0, vler, 0, IF_VEC) /* VECTOR LOAD GR FROM VR ELEMENT */ F(0xe721, VLGV, VRS_c, V, la2, 0, r1, 0, vlgv, 0, IF_VEC) /* VECTOR LOAD LOGICAL ELEMENT AND ZERO */ @@ -1082,6 +1084,8 @@ E(0xe709, VSTEH, VRX, V, la2, 0, 0, 0, vste, 0, ES_16, IF_VEC) E(0xe70b, VSTEF, VRX, V, la2, 0, 0, 0, vste, 0, ES_32, IF_VEC) E(0xe70a, VSTEG, VRX, V, la2, 0, 0, 0, vste, 0, ES_64, IF_VEC) +/* VECTOR STORE ELEMENTS REVERSED */ + F(0xe60f, VSTER, VRX, VE2, la2, 0, 0, 0, vster, 0, IF_VEC) /* VECTOR STORE MULTIPLE */ F(0xe73e, VSTM, VRS_a, V, la2, 0, 0, 0, vstm, 0, IF_VEC) /* VECTOR STORE WITH LENGTH */ diff --git a/target/s390x/tcg/translate_vx.c.inc b/target/s390x/tcg/translate_vx.c.inc index cb6540673d..7667a995c8 100644 --- a/target/s390x/tcg/translate_vx.c.inc +++ b/target/s390x/tcg/translate_vx.c.inc @@ -492,6 +492,46 @@ static DisasJumpType op_vlei(DisasContext *s, DisasOps *o) return DISAS_NEXT; } +static DisasJumpType op_vler(DisasContext *s, DisasOps *o) +{ + const uint8_t es = get_field(s, m3); + + if (es < ES_16 || es > ES_64) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + + /* Begin with the two doublewords swapped... */ + tcg_gen_qemu_ld_i64(t1, o->addr1, get_mem_index(s), MO_TEUQ); + gen_addi_and_wrap_i64(s, o->addr1, o->addr1, 8); + tcg_gen_qemu_ld_i64(t0, o->addr1, get_mem_index(s), MO_TEUQ); + + /* ... then swap smaller elements within the doublewords as required. */ + switch (es) { + case MO_16: + tcg_gen_hswap_i64(t1, t1); + tcg_gen_hswap_i64(t0, t0); + break; + case MO_32: + tcg_gen_wswap_i64(t1, t1); + tcg_gen_wswap_i64(t0, t0); + break; + case MO_64: + break; + default: + g_assert_not_reached(); + } + + 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); + return DISAS_NEXT; +} + static DisasJumpType op_vlgv(DisasContext *s, DisasOps *o) { const uint8_t es = get_field(s, m4); @@ -976,6 +1016,50 @@ static DisasJumpType op_vste(DisasContext *s, DisasOps *o) return DISAS_NEXT; } +static DisasJumpType op_vster(DisasContext *s, DisasOps *o) +{ + const uint8_t es = get_field(s, m3); + TCGv_i64 t0, t1; + + if (es < ES_16 || es > ES_64) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + /* Probe write access before actually modifying memory */ + gen_helper_probe_write_access(cpu_env, o->addr1, tcg_constant_i64(16)); + + /* Begin with the two doublewords swapped... */ + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + read_vec_element_i64(t1, get_field(s, v1), 0, ES_64); + read_vec_element_i64(t0, get_field(s, v1), 1, ES_64); + + /* ... then swap smaller elements within the doublewords as required. */ + switch (es) { + case MO_16: + tcg_gen_hswap_i64(t1, t1); + tcg_gen_hswap_i64(t0, t0); + break; + case MO_32: + tcg_gen_wswap_i64(t1, t1); + tcg_gen_wswap_i64(t0, t0); + break; + case MO_64: + break; + default: + g_assert_not_reached(); + } + + tcg_gen_qemu_st_i64(t0, o->addr1, get_mem_index(s), MO_TEUQ); + gen_addi_and_wrap_i64(s, o->addr1, o->addr1, 8); + tcg_gen_qemu_st_i64(t1, o->addr1, get_mem_index(s), MO_TEUQ); + + tcg_temp_free(t0); + tcg_temp_free(t1); + return DISAS_NEXT; +} + static DisasJumpType op_vstm(DisasContext *s, DisasOps *o) { const uint8_t v3 = get_field(s, v3);