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 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 1D688C04AB6 for ; Fri, 31 May 2019 11:04:05 +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 E634C267F3 for ; Fri, 31 May 2019 11:04:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E634C267F3 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]:41061 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hWfKO-0005lq-6A for qemu-devel@archiver.kernel.org; Fri, 31 May 2019 07:04:04 -0400 Received: from eggs.gnu.org ([209.51.188.92]:56267) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hWf28-0007FY-DK for qemu-devel@nongnu.org; Fri, 31 May 2019 06:45:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hWf27-0001pW-D3 for qemu-devel@nongnu.org; Fri, 31 May 2019 06:45:12 -0400 Received: from mx1.redhat.com ([209.132.183.28]:29114) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hWf27-0001ol-6H for qemu-devel@nongnu.org; Fri, 31 May 2019 06:45:11 -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 851D1859FF; Fri, 31 May 2019 10:45:10 +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 72F6D271AE; Fri, 31 May 2019 10:45:09 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 31 May 2019 12:44:26 +0200 Message-Id: <20190531104432.29379-18-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 [10.5.110.26]); Fri, 31 May 2019 10:45:10 +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 17/23] s390x/tcg: Implement VECTOR FP PERFORM SIGN OPERATION 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The only FP instruction we can implement without an helper. Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 42 +++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index e86ade9e44..fa2e801747 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1240,6 +1240,8 @@ F(0xe78f, VFMA, VRR_e, V, 0, 0, 0, 0, vfma, 0, IF_VEC) /* VECTOR FP MULTIPLY AND SUBTRACT */ 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) =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 b624c7a8aa..b80d2a7a88 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2727,3 +2727,45 @@ static DisasJumpType op_vfma(DisasContext *s, Disa= sOps *o) 0, fn); return DISAS_NEXT; } + +static DisasJumpType op_vfpso(DisasContext *s, DisasOps *o) +{ + const uint8_t fpf =3D get_field(s->fields, m3); + const uint8_t m4 =3D get_field(s->fields, m4); + const uint8_t m5 =3D get_field(s->fields, m5); + const bool se =3D extract32(m4, 3, 1); + TCGv_i64 tmp; + int i; + + if (fpf !=3D FPF_LONG || extract32(m4, 0, 3) || m5 > 2) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + tmp =3D tcg_temp_new_i64(); + for (i =3D 0; i < 2; i++) { + read_vec_element_i64(tmp, get_field(s->fields, v2), i, ES_64); + + switch (m5) { + case 0: + /* sign bit is inverted (complement) */ + tcg_gen_xori_i64(tmp, tmp, 1ull << 63); + break; + case 1: + /* sign bit is set to one (negative) */ + tcg_gen_ori_i64(tmp, tmp, 1ull << 63); + break; + case 2: + /* sign bit is set to zero (positive) */ + tcg_gen_andi_i64(tmp, tmp, (1ull << 63) - 1); + break; + } + + write_vec_element_i64(tmp, get_field(s->fields, v1), i, ES_64); + if (se) { + break; + } + } + tcg_temp_free_i64(tmp); + return DISAS_NEXT; +} --=20 2.20.1