From patchwork Fri May 31 10:44:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 10969985 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1FED26C5 for ; Fri, 31 May 2019 10:53:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 11B7828C7D for ; Fri, 31 May 2019 10:53:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0652628C98; Fri, 31 May 2019 10:53:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 97C8828CB4 for ; Fri, 31 May 2019 10:53:19 +0000 (UTC) Received: from localhost ([127.0.0.1]:40915 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hWf9y-0005Sb-Om for patchwork-qemu-devel@patchwork.kernel.org; Fri, 31 May 2019 06:53:18 -0400 Received: from eggs.gnu.org ([209.51.188.92]:56123) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hWf1t-0006zl-SR for qemu-devel@nongnu.org; Fri, 31 May 2019 06:44:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hWf1s-0001XS-Qr for qemu-devel@nongnu.org; Fri, 31 May 2019 06:44:57 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43088) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hWf1s-0001Wh-JT for qemu-devel@nongnu.org; Fri, 31 May 2019 06:44:56 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E490D307D911; Fri, 31 May 2019 10:44:55 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-233.ams2.redhat.com [10.36.116.233]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8065F271AE; Fri, 31 May 2019 10:44:52 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 31 May 2019 12:44:20 +0200 Message-Id: <20190531104432.29379-12-david@redhat.com> In-Reply-To: <20190531104432.29379-1-david@redhat.com> References: <20190531104432.29379-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.48]); Fri, 31 May 2019 10:44:55 +0000 (UTC) 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] [PATCH v1 11/23] s390x/tcg: Implement VECTOR FP DIVIDE 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: Christian Borntraeger , Denys Vlasenko , David Hildenbrand Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP We can reuse most of the infrastructure added for VECTOR FP ADD. Signed-off-by: David Hildenbrand Reviewed-by: Richard Henderson --- target/s390x/helper.h | 2 ++ target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 3 +++ target/s390x/vec_fpu_helper.c | 17 +++++++++++++++++ 4 files changed, 24 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 9b9062970a..238bfa2509 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -274,6 +274,8 @@ DEF_HELPER_FLAGS_4(gvec_vcgd64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vcgd64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vclgd64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vclgd64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) +DEF_HELPER_FLAGS_5(gvec_vfd64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32) +DEF_HELPER_FLAGS_5(gvec_vfd64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32) #ifndef CONFIG_USER_ONLY DEF_HELPER_3(servc, i32, env, i64, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index ed8b888d59..f9830deace 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1226,6 +1226,8 @@ F(0xe7c2, VCGD, VRR_a, V, 0, 0, 0, 0, vcdg, 0, IF_VEC) /* VECTOR FP CONVERT TO LOGICAL 64-BIT */ F(0xe7c0, VCLGD, VRR_a, V, 0, 0, 0, 0, vcdg, 0, IF_VEC) +/* VECTOR FP DIVIDE */ + F(0xe7e5, VFD, VRR_c, V, 0, 0, 0, 0, vfa, 0, IF_VEC) #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c index 0395d69968..9e55d4488b 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2560,6 +2560,9 @@ static DisasJumpType op_vfa(DisasContext *s, DisasOps *o) case 0xe3: fn = se ? gen_helper_gvec_vfa64s : gen_helper_gvec_vfa64; break; + case 0xe5: + fn = se ? gen_helper_gvec_vfd64s : gen_helper_gvec_vfd64; + break; default: g_assert_not_reached(); } diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c index 92a2c04952..2c085a8849 100644 --- a/target/s390x/vec_fpu_helper.c +++ b/target/s390x/vec_fpu_helper.c @@ -372,3 +372,20 @@ void HELPER(gvec_vclgd64s)(void *v1, const void *v2, CPUS390XState *env, vop64_2(v1, v2, env, true, XxC, erm, vclgd64, GETPC()); } + +static uint64_t vfd64(uint64_t a, uint64_t b, float_status *s) +{ + return float64_val(float64_div(make_float64(a), make_float64(b), s)); +} + +void HELPER(gvec_vfd64)(void *v1, const void *v2, const void *v3, + CPUS390XState *env, uint32_t desc) +{ + vop64_3(v1, v2, v3, env, false, vfd64, GETPC()); +} + +void HELPER(gvec_vfd64s)(void *v1, const void *v2, const void *v3, + CPUS390XState *env, uint32_t desc) +{ + vop64_3(v1, v2, v3, env, true, vfd64, GETPC()); +}