From nobody Mon Feb 9 04:31:56 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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 209.51.188.17 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=1559922115; cv=none; d=zoho.com; s=zohoarc; b=htJE52U81YE2GnpPQ37EThm8Jr6q0jieXLzVm84SFAmR6N+yCjLGUmhufVKGrrf8cEfFV7wx0auszgC4ds22yjTpxwtKb1K6mWQmFYcXTcWO+fZ32Alr1D5EtLlvRBKGzmuXZxO1URQjqsTTp6xJdB2Nd0Q/U4prH7rLM9FeuL4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1559922115; 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=M2XK66C+pr0iTRSPZr2+Vg33CrJE6VYGegX2Ze1XBFg=; b=kYl+JMeCyBkvELtDBxScvd6391W1ti5SzxuI3xTVjffz7V9Kyn7YohqdUgdLBQtm6h2d+JJAS2AEuStkRfh/fdFNbndf6g0y05DADjuAL8dqvdLJ0f/qKJlQE40TwxsRRWP2nED2gDliZv9qude8cGIGAJzozNRxBJWxGFGAZDc= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 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 [209.51.188.17]) by mx.zohomail.com with SMTPS id 15599221150241019.3751708274548; Fri, 7 Jun 2019 08:41:55 -0700 (PDT) Received: from localhost ([::1]:48898 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZGzy-0002qv-VR for importer@patchew.org; Fri, 07 Jun 2019 11:41:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53712) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZFiG-0004hl-CS for qemu-devel@nongnu.org; Fri, 07 Jun 2019 10:19:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hZFiE-0004w7-Sl for qemu-devel@nongnu.org; Fri, 07 Jun 2019 10:19:24 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57392) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hZFiE-0004u3-IN; Fri, 07 Jun 2019 10:19:22 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AFB2E30C250E; Fri, 7 Jun 2019 14:19:21 +0000 (UTC) Received: from localhost (dhcp-192-191.str.redhat.com [10.33.192.191]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0B43A7FE9A; Fri, 7 Jun 2019 14:19:18 +0000 (UTC) From: Cornelia Huck To: Peter Maydell Date: Fri, 7 Jun 2019 16:17:20 +0200 Message-Id: <20190607141727.29018-28-cohuck@redhat.com> In-Reply-To: <20190607141727.29018-1-cohuck@redhat.com> References: <20190607141727.29018-1-cohuck@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.40]); Fri, 07 Jun 2019 14:19:21 +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] [PULL v2 27/34] s390x/tcg: Implement VECTOR FP SQUARE ROOT 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 Simulate XxC=3D0 and ERM=3D0 (current mode), so we can use the existing helper function. 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 | 19 +++++++++++++++++++ target/s390x/vec_fpu_helper.c | 17 +++++++++++++++++ 4 files changed, 40 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index bcaabb91a510..23b37af1e492 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -288,6 +288,8 @@ DEF_HELPER_FLAGS_6(gvec_vfma64, TCG_CALL_NO_WG, void, p= tr, cptr, cptr, cptr, env DEF_HELPER_FLAGS_6(gvec_vfma64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cp= tr, env, i32) DEF_HELPER_FLAGS_6(gvec_vfms64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cpt= r, env, i32) DEF_HELPER_FLAGS_6(gvec_vfms64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cp= tr, env, i32) +DEF_HELPER_FLAGS_4(gvec_vfsq64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) +DEF_HELPER_FLAGS_4(gvec_vfsq64s, 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 fa2e8017470e..354252d57cc0 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1242,6 +1242,8 @@ F(0xe78e, VFMS, VRR_e, V, 0, 0, 0, 0, vfma, 0, IF_VEC) /* VECTOR FP PERFORM SIGN OPERATION */ F(0xe7cc, VFPSO, VRR_a, V, 0, 0, 0, 0, vfpso, 0, IF_VEC) +/* VECTOR FP SQUARE ROOT */ + F(0xe7ce, VFSQ, VRR_a, V, 0, 0, 0, 0, vfsq, 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 9b8606ba252c..75f3596c4baa 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2779,3 +2779,22 @@ static DisasJumpType op_vfpso(DisasContext *s, Disas= Ops *o) } return DISAS_NEXT; } + +static DisasJumpType op_vfsq(DisasContext *s, DisasOps *o) +{ + const uint8_t fpf =3D get_field(s->fields, m3); + const uint8_t m4 =3D get_field(s->fields, m4); + gen_helper_gvec_2_ptr *fn =3D gen_helper_gvec_vfsq64; + + if (fpf !=3D FPF_LONG || extract32(m4, 0, 3)) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + if (extract32(m4, 3, 1)) { + fn =3D gen_helper_gvec_vfsq64s; + } + gen_gvec_2_ptr(get_field(s->fields, v1), get_field(s->fields, v2), cpu= _env, + 0, fn); + return DISAS_NEXT; +} diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c index 7993a6fafa41..18773eb559d4 100644 --- a/target/s390x/vec_fpu_helper.c +++ b/target/s390x/vec_fpu_helper.c @@ -552,3 +552,20 @@ void HELPER(gvec_vfms64s)(void *v1, const void *v2, co= nst void *v3, { vfma64(v1, v2, v3, v4, env, true, float_muladd_negate_c, GETPC()); } + +static uint64_t vfsq64(uint64_t a, float_status *s) +{ + return float64_sqrt(a, s); +} + +void HELPER(gvec_vfsq64)(void *v1, const void *v2, CPUS390XState *env, + uint32_t desc) +{ + vop64_2(v1, v2, env, false, false, 0, vfsq64, GETPC()); +} + +void HELPER(gvec_vfsq64s)(void *v1, const void *v2, CPUS390XState *env, + uint32_t desc) +{ + vop64_2(v1, v2, env, true, false, 0, vfsq64, GETPC()); +} --=20 2.20.1