From patchwork Thu Jan 5 11:26:18 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nikunj A Dadhania X-Patchwork-Id: 711367 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3tvQm76HCnz9snk for ; Thu, 5 Jan 2017 22:43:03 +1100 (AEDT) Received: from localhost ([::1]:45808 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cP6Rh-000663-L8 for incoming@patchwork.ozlabs.org; Thu, 05 Jan 2017 06:43:01 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42603) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cP6C9-0000hK-1v for qemu-devel@nongnu.org; Thu, 05 Jan 2017 06:26:57 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cP6C5-0006VB-3r for qemu-devel@nongnu.org; Thu, 05 Jan 2017 06:26:57 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:57752 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cP6C4-0006Ue-Tm for qemu-devel@nongnu.org; Thu, 05 Jan 2017 06:26:53 -0500 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id v05BO1XX052672 for ; Thu, 5 Jan 2017 06:26:52 -0500 Received: from e28smtp05.in.ibm.com (e28smtp05.in.ibm.com [125.16.236.5]) by mx0b-001b2d01.pphosted.com with ESMTP id 27skxvbwa6-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 05 Jan 2017 06:26:52 -0500 Received: from localhost by e28smtp05.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 5 Jan 2017 16:56:42 +0530 Received: from d28relay07.in.ibm.com (d28relay07.in.ibm.com [9.184.220.158]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id 238F8394005E; Thu, 5 Jan 2017 16:56:42 +0530 (IST) Received: from d28av06.in.ibm.com (d28av06.in.ibm.com [9.184.220.48]) by d28relay07.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v05BPuV828901414; Thu, 5 Jan 2017 16:55:56 +0530 Received: from d28av06.in.ibm.com (localhost [127.0.0.1]) by d28av06.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v05BQfGB030731; Thu, 5 Jan 2017 16:56:41 +0530 Received: from abhimanyu.in.ibm.com ([9.199.60.36]) by d28av06.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id v05BQRBE029840; Thu, 5 Jan 2017 16:56:40 +0530 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Thu, 5 Jan 2017 16:56:18 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1483615579-17618-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1483615579-17618-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 17010511-0016-0000-0000-000003BB3AD0 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17010511-0017-0000-0000-0000286BB98D Message-Id: <1483615579-17618-14-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-01-05_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=2 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1612050000 definitions=main-1701050183 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH 13/14] target-ppc: Add xsxsigdp instruction 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: qemu-devel@nongnu.org, nikunj@linux.vnet.ibm.com, bharata@linux.vnet.ibm.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" xsxsigdp: VSX Scalar Extract Significand Dual Precision Signed-off-by: Nikunj A Dadhania --- target-ppc/translate/vsx-impl.inc.c | 29 +++++++++++++++++++++++++++++ target-ppc/translate/vsx-ops.inc.c | 1 + 2 files changed, 30 insertions(+) diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c index 514a273..1fea8dc 100644 --- a/target-ppc/translate/vsx-impl.inc.c +++ b/target-ppc/translate/vsx-impl.inc.c @@ -1242,6 +1242,35 @@ static void gen_xsxexpqp(DisasContext *ctx) tcg_gen_andi_i64(xth, xth, 0x7FFF); tcg_gen_movi_i64(xtl, 0); } + +static void gen_xsxsigdp(DisasContext *ctx) +{ + TCGv rt = cpu_gpr[rD(ctx->opcode)]; + TCGv_i64 t0, zr, nan, exp; + + if (unlikely(!ctx->vsx_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VSXU); + return; + } + exp = tcg_temp_new_i64(); + t0 = tcg_temp_new_i64(); + zr = tcg_const_i64(0); + nan = tcg_const_i64(2047); + + tcg_gen_shri_i64(exp, cpu_vsrh(xB(ctx->opcode)), 52); + tcg_gen_andi_i64(exp, exp, 0x7FF); + tcg_gen_movi_i64(t0, 0x0010000000000000); + tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, zr, zr, t0); + tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0); + tcg_gen_andi_i64(rt, cpu_vsrh(xB(ctx->opcode)), 0x000FFFFFFFFFFFFF); + tcg_gen_or_i64(rt, rt, t0); + + tcg_temp_free_i64(t0); + tcg_temp_free_i64(exp); + tcg_temp_free_i64(zr); + tcg_temp_free_i64(nan); +} + #endif #undef GEN_XX2FORM diff --git a/target-ppc/translate/vsx-ops.inc.c b/target-ppc/translate/vsx-ops.inc.c index 2ea8ce4..c7791f8 100644 --- a/target-ppc/translate/vsx-ops.inc.c +++ b/target-ppc/translate/vsx-ops.inc.c @@ -118,6 +118,7 @@ GEN_VSX_XFORM_300_EO(xscvqpdp, 0x04, 0x1A, 0x14, 0x0), #ifdef TARGET_PPC64 GEN_XX2FORM_EO(xsxexpdp, 0x16, 0x15, 0x00, PPC2_ISA300), GEN_VSX_XFORM_300_EO(xsxexpqp, 0x04, 0x19, 0x02, 0x00000001), +GEN_XX2FORM_EO(xsxsigdp, 0x16, 0x15, 0x01, PPC2_ISA300), #endif GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX),