From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0D0AC28CC7 for ; Mon, 3 Jun 2019 09:17:36 +0000 (UTC) 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.kernel.org (Postfix) with ESMTPS id BE6F12596E for ; Mon, 3 Jun 2019 09:17:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BE6F12596E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:60189 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hXj5z-0005DL-Vt for qemu-devel@archiver.kernel.org; Mon, 03 Jun 2019 05:17:36 -0400 Received: from eggs.gnu.org ([209.51.188.92]:47209) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hXiwC-0004qi-76 for qemu-devel@nongnu.org; Mon, 03 Jun 2019 05:07:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hXiw6-00032o-CU for qemu-devel@nongnu.org; Mon, 03 Jun 2019 05:07:28 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39212) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hXiw6-00031L-4z; Mon, 03 Jun 2019 05:07:22 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6D9AD2F8BDE; Mon, 3 Jun 2019 09:07:21 +0000 (UTC) Received: from t460s.redhat.com (unknown [10.36.117.0]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7166261981; Mon, 3 Jun 2019 09:07:19 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Mon, 3 Jun 2019 11:06:27 +0200 Message-Id: <20190603090635.10631-15-david@redhat.com> In-Reply-To: <20190603090635.10631-1-david@redhat.com> References: <20190603090635.10631-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Mon, 03 Jun 2019 09:07:21 +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] [PATCH v2 14/22] s390x/tcg: Implement VECTOR LOAD ROUNDED 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: Thomas Huth , Denys Vlasenko , David Hildenbrand , Cornelia Huck , Richard Henderson , Pino Toscano , Christian Borntraeger , qemu-s390x@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We can reuse some of the infrastructure introduced for VECTOR FP CONVERT FROM FIXED 64-BIT and friends. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/helper.h | 2 ++ target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 3 +++ target/s390x/vec_fpu_helper.c | 43 +++++++++++++++++++++++++++++++++ 4 files changed, 50 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index cb25141ffe..7526f8e8c6 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -280,6 +280,8 @@ DEF_HELPER_FLAGS_4(gvec_vfi64, TCG_CALL_NO_WG, void, = ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfi64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i3= 2) DEF_HELPER_FLAGS_4(gvec_vfll32, TCG_CALL_NO_WG, void, ptr, cptr, env, i3= 2) DEF_HELPER_FLAGS_4(gvec_vfll32s, TCG_CALL_NO_WG, void, ptr, cptr, env, i= 32) +DEF_HELPER_FLAGS_4(gvec_vflr64, TCG_CALL_NO_WG, void, ptr, cptr, env, i3= 2) +DEF_HELPER_FLAGS_4(gvec_vflr64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i= 32) =20 #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 5afdb36aec..f03914d528 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1232,6 +1232,8 @@ F(0xe7c7, VFI, VRR_a, V, 0, 0, 0, 0, vcdg, 0, IF_VEC) /* VECTOR LOAD LENGTHENED */ F(0xe7c4, VFLL, VRR_a, V, 0, 0, 0, 0, vfll, 0, IF_VEC) +/* VECTOR LOAD ROUNDED */ + F(0xe7c5, VFLR, VRR_a, V, 0, 0, 0, 0, vcdg, 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.= inc.c index a25985e5c9..73e1b1062a 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2672,6 +2672,9 @@ static DisasJumpType op_vcdg(DisasContext *s, Disas= Ops *o) case 0xc7: fn =3D se ? gen_helper_gvec_vfi64s : gen_helper_gvec_vfi64; break; + case 0xc5: + fn =3D se ? gen_helper_gvec_vflr64s : gen_helper_gvec_vflr64; + break; default: g_assert_not_reached(); } diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.= c index f5b7fdf871..764f7379da 100644 --- a/target/s390x/vec_fpu_helper.c +++ b/target/s390x/vec_fpu_helper.c @@ -444,3 +444,46 @@ void HELPER(gvec_vfll32s)(void *v1, const void *v2, = CPUS390XState *env, { vfll32(v1, v2, env, true, GETPC()); } + +static void vflr64(S390Vector *v1, const S390Vector *v2, CPUS390XState *= env, + bool s, bool XxC, uint8_t erm, uintptr_t retaddr) +{ + uint8_t vxc, vec_exc =3D 0; + S390Vector tmp =3D {}; + int i, old_mode; + + old_mode =3D s390_swap_bfp_rounding_mode(env, erm); + for (i =3D 0; i < 2; i++) { + float64 a =3D s390_vec_read_element64(v2, i); + uint32_t ret =3D float64_to_float32(a, &env->fpu_status); + + /* place at even element */ + s390_vec_write_element32(&tmp, i * 2, ret); + /* indicate the source element */ + vxc =3D check_ieee_exc(env, i, XxC, &vec_exc); + if (s || vxc) { + break; + } + } + s390_restore_bfp_rounding_mode(env, old_mode); + handle_ieee_exc(env, vxc, vec_exc, retaddr); + *v1 =3D tmp; +} + +void HELPER(gvec_vflr64)(void *v1, const void *v2, CPUS390XState *env, + uint32_t desc) +{ + const uint8_t erm =3D extract32(simd_data(desc), 4, 4); + const bool XxC =3D extract32(simd_data(desc), 2, 1); + + vflr64(v1, v2, env, false, XxC, erm, GETPC()); +} + +void HELPER(gvec_vflr64s)(void *v1, const void *v2, CPUS390XState *env, + uint32_t desc) +{ + const uint8_t erm =3D extract32(simd_data(desc), 4, 4); + const bool XxC =3D extract32(simd_data(desc), 2, 1); + + vflr64(v1, v2, env, true, XxC, erm, GETPC()); +} --=20 2.21.0