From nobody Mon Nov 10 22:28:12 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=1559300667; cv=none; d=zoho.com; s=zohoarc; b=MFLClZeK1UhSULhNzBgmUnHhZPC7OeEWtp3G4BA2QducYgPHgc4TTFh/mq/JOpIH+Y+DG5lRhriCuqfQNPQItHoSSWEakT0UujPvBlD9/EHXJfirpkFMMJ0OHsm+G/JJo/D4rTutyCJr69w/3/h/bdzrHMsQrMqGBpH9SDJqh6Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1559300667; 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=VlmIZIemGIxSdjvmGJK8YV8uEkzGNvyNsXo6Qkt3kTI=; b=KMcaAjo6aWNY+2Le8nAQBDuNy5XvMeeTlbuWUIySbYMoFhWC1iUjnqoD41mt0ZWBJeCGE6G9Yje/ic0e6VHN5n5sOS8zMlblllGOuX1UOJs818CsC4+Eez9xqMEMqVO8O833/6r65YX7c612cxS1gAyRvGc9ARMWWHZJk/5lVMg= 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 155930066737572.91266189259352; Fri, 31 May 2019 04:04:27 -0700 (PDT) Received: from localhost ([127.0.0.1]:41061 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hWfKX-0005lq-Rf for importer@patchew.org; Fri, 31 May 2019 07:04:13 -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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" 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.in= c.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, DisasO= ps *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