From nobody Tue Nov 11 00:21:40 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.47 as permitted sender) client-ip=209.51.188.47; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.47 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1559906530; cv=none; d=zoho.com; s=zohoarc; b=DfHlY42r0oQQIMpY0t8uV/d/XeawO0NfuMJ0k6Gm//BcvsEW1g0+CqoCaIUiCsSkNUrKAKsRLBmDHO0Re7nQCazzs42L0IFNvr3bckPIHeBbN/aAoR4ltiz7zFLNZzN7fQtwuqsD/VoJFCWtdE/zgGlxKz5P3JfFCdlrWNx7afM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1559906530; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=N+S29fdnU+U215Ie4NmkqCGFF+ILAvHLfZmdFzJtj+c=; b=QHFxR5F0+uwIuRcXPwrtMTtUuvbptzzIl2UNECaF84FjwFWIMho25xFJqpDroDa0TI8mcY7HisA0vGGokgPsynS/hTjLHRlGKX3ynUvS1AvSlOOVjlmDJylXtz2he6DceLyGy28jUNv5OkPHbsPJO96Af6KVXDMHTm+HUPTsh/I= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.47 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.47]) by mx.zohomail.com with SMTPS id 1559906530935255.7317057646569; Fri, 7 Jun 2019 04:22:10 -0700 (PDT) Received: from localhost ([::1]:48556 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZCwi-0001S7-Kc for importer@patchew.org; Fri, 07 Jun 2019 07:22:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55338) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZBZS-0002zO-0d for qemu-devel@nongnu.org; Fri, 07 Jun 2019 05:54:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hZBZQ-0002eF-IX for qemu-devel@nongnu.org; Fri, 07 Jun 2019 05:54:01 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59252) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hZBZQ-0002Vn-9Q; Fri, 07 Jun 2019 05:54:00 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 39395307D853; Fri, 7 Jun 2019 09:53:56 +0000 (UTC) Received: from localhost (dhcp-192-191.str.redhat.com [10.33.192.191]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A382980B0D; Fri, 7 Jun 2019 09:53:53 +0000 (UTC) From: Cornelia Huck To: Peter Maydell Date: Fri, 7 Jun 2019 11:52:26 +0200 Message-Id: <20190607095237.11364-25-cohuck@redhat.com> In-Reply-To: <20190607095237.11364-1-cohuck@redhat.com> References: <20190607095237.11364-1-cohuck@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.48]); Fri, 07 Jun 2019 09:53:56 +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] [PULL 24/35] s390x/tcg: Implement VECTOR LOAD ROUNDED 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: qemu-s390x@nongnu.org, Richard Henderson , qemu-devel@nongnu.org, David Hildenbrand Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: David Hildenbrand 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 cb25141ffe41..7526f8e8c636 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, pt= r, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfi64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfll32, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfll32s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) +DEF_HELPER_FLAGS_4(gvec_vflr64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) +DEF_HELPER_FLAGS_4(gvec_vflr64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) =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 5afdb36aec51..f03914d5287d 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.in= c.c index a25985e5c90f..73e1b1062a0b 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, DisasOp= s *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 f5b7fdf871e3..764f7379da1c 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, CP= US390XState *env, { vfll32(v1, v2, env, true, GETPC()); } + +static void vflr64(S390Vector *v1, const S390Vector *v2, CPUS390XState *en= v, + 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 2.20.1