From nobody Mon Nov 10 22:28:11 2025 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=1559300830; cv=none; d=zoho.com; s=zohoarc; b=HvK6LYZPNfXoeTQgx2tWO0cq8vYBc5uRB4OD81AajkpFxsOb0taOgYHCr/MdTVBIjA35+/a4K2xeBkQhYgVD4nrM6kfViUuhAF6HSZiXcQh8ts1fx0j6wcviRFM11szrzESY/P5k1RZTA4FOU02fCHpKx3R5fpLSRPiIBI0g4j4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1559300830; 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=xhdKpWXIf5eCw916GurcX8XXmHHeFo8dbyL84h0xcMk=; b=JI2LYvnYKJUh4l9ho5JH3yL5VMFycL1A6FkrAbhO4aBToOyE+Us+GLicjuwgh8zdeSsdjpmXcHrL/D82w54KT27z5xLBQ+iTriQnym2O30UTW2rd1vNulcfnU5gThvUon1TxREzx3Q/LmjysLtcn4q3iFKZMFGLGlm3HhIQCdmY= 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 1559300830710705.6241592124646; Fri, 31 May 2019 04:07:10 -0700 (PDT) Received: from localhost ([127.0.0.1]:41121 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hWfNH-0007vT-Mn for importer@patchew.org; Fri, 31 May 2019 07:07:03 -0400 Received: from eggs.gnu.org ([209.51.188.92]:56290) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hWf2F-0007Nh-OX for qemu-devel@nongnu.org; Fri, 31 May 2019 06:45:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hWf2B-0001w9-71 for qemu-devel@nongnu.org; Fri, 31 May 2019 06:45:17 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60074) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hWf2A-0001vJ-W7 for qemu-devel@nongnu.org; Fri, 31 May 2019 06:45:15 -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 53E10C05091A; Fri, 31 May 2019 10:45:14 +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 CCE99271AE; Fri, 31 May 2019 10:45:10 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 31 May 2019 12:44:27 +0200 Message-Id: <20190531104432.29379-19-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 [10.5.110.31]); Fri, 31 May 2019 10:45:14 +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 v1 18/23] s390x/tcg: Implement VECTOR FP SQUARE ROOT 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Simulate XxC=3D0 and ERM=3D0 (current mode), so we can use the existing helper function. 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 | 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 bcaabb91a5..23b37af1e4 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 fa2e801747..354252d57c 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 b80d2a7a88..48b4e6008c 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2769,3 +2769,22 @@ static DisasJumpType op_vfpso(DisasContext *s, Disas= Ops *o) tcg_temp_free_i64(tmp); 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 a27b354214..a78c9dccdc 100644 --- a/target/s390x/vec_fpu_helper.c +++ b/target/s390x/vec_fpu_helper.c @@ -569,3 +569,20 @@ void HELPER(gvec_vfms64s)(void *v1, const void *v2, co= nst void *v3, { vop64_4(v1, v2, v3, v4, env, true, vfms64, GETPC()); } + +static uint64_t vfsq64(uint64_t a, float_status *s) +{ + return float64_val(float64_sqrt(make_float64(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