From patchwork Mon Jan 9 14:26:15 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: 9504903 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EBFDF606E1 for ; Mon, 9 Jan 2017 14:30:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DDBF62815E for ; Mon, 9 Jan 2017 14:30:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D1ACD284E8; Mon, 9 Jan 2017 14:30:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 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 mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 381DB2815E for ; Mon, 9 Jan 2017 14:30:58 +0000 (UTC) Received: from localhost ([::1]:40203 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cQayP-0007cK-Bc for patchwork-qemu-devel@patchwork.kernel.org; Mon, 09 Jan 2017 09:30:57 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44336) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cQaua-0004Yw-CJ for qemu-devel@nongnu.org; Mon, 09 Jan 2017 09:27:05 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cQauV-0001BY-5Z for qemu-devel@nongnu.org; Mon, 09 Jan 2017 09:26:59 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:48436 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 1cQauU-0001BG-VN for qemu-devel@nongnu.org; Mon, 09 Jan 2017 09:26:55 -0500 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id v09ENjV6112968 for ; Mon, 9 Jan 2017 09:26:54 -0500 Received: from e23smtp09.au.ibm.com (e23smtp09.au.ibm.com [202.81.31.142]) by mx0a-001b2d01.pphosted.com with ESMTP id 27vbe1aj9e-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 09 Jan 2017 09:26:54 -0500 Received: from localhost by e23smtp09.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Tue, 10 Jan 2017 00:26:49 +1000 Received: from d23relay06.au.ibm.com (d23relay06.au.ibm.com [9.185.63.219]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id CC58C2BB0045; Tue, 10 Jan 2017 01:26:48 +1100 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay06.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v09EQnki27001050; Tue, 10 Jan 2017 01:26:49 +1100 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v09EQmfl002992; Tue, 10 Jan 2017 01:26:48 +1100 Received: from abhimanyu.in.ibm.com ([9.199.45.179]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id v09EQNgp002427; Tue, 10 Jan 2017 01:26:43 +1100 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Date: Mon, 9 Jan 2017 19:56:15 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1483971975-5612-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1483971975-5612-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 17010914-0052-0000-0000-00000207B581 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17010914-0053-0000-0000-000007918997 Message-Id: <1483971975-5612-4-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-01-09_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1612050000 definitions=main-1701090212 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 v2 3/3] target-ppc: Add xscvqpdp 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Bharata B Rao xscvqpdp: VSX Scalar round & Convert Quad-Precision format to Double-Precision format Signed-off-by: Bharata B Rao Signed-off-by: Nikunj A Dadhania --- target/ppc/fpu_helper.c | 28 ++++++++++++++++++++++++++++ target/ppc/helper.h | 1 + target/ppc/translate/vsx-impl.inc.c | 1 + target/ppc/translate/vsx-ops.inc.c | 1 + 4 files changed, 31 insertions(+) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 16397ef..8c8e3c5 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -2778,6 +2778,34 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) \ VSX_CVT_FP_TO_FP_HP(xscvdphp, float64, float16, VsrD(0), VsrH(3)) VSX_CVT_FP_TO_FP_HP(xscvhpdp, float16, float64, VsrH(3), VsrD(0)) +/* + * xscvqpdp isn't using VSX_CVT_FP_TO_FP() because xscvqpdpo will be + * added to this later. + */ +void helper_xscvqpdp(CPUPPCState *env, uint32_t opcode) +{ + ppc_vsr_t xt, xb; + + getVSR(rB(opcode) + 32, &xb, env); + getVSR(rD(opcode) + 32, &xt, env); + + if (unlikely(Rc(opcode) != 0)) { + /* TODO: Support xscvqpdpo after round-to-odd is implemented */ + abort(); + } + + xt.VsrD(0) = float128_to_float64(xb.f128, &env->fp_status); + if (unlikely(float128_is_signaling_nan(xb.f128, + &env->fp_status))) { + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); + xt.VsrD(0) = float64_snan_to_qnan(xt.VsrD(0)); + } + helper_compute_fprf_float64(env, xt.VsrD(0)); + + putVSR(rD(opcode) + 32, &xt, env); + float_check_status(env); +} + uint64_t helper_xscvdpspn(CPUPPCState *env, uint64_t xb) { float_status tstat = env->fp_status; diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 3b5d0ad..f28bf62 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -433,6 +433,7 @@ DEF_HELPER_2(xscvdphp, void, env, i32) DEF_HELPER_2(xscvdpqp, void, env, i32) DEF_HELPER_2(xscvdpsp, void, env, i32) DEF_HELPER_2(xscvdpspn, i64, env, i64) +DEF_HELPER_2(xscvqpdp, void, env, i32) DEF_HELPER_2(xscvhpdp, void, env, i32) DEF_HELPER_2(xscvspdp, void, env, i32) DEF_HELPER_2(xscvspdpn, i64, env, i64) diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c index 01b5621..2d9fe50 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -810,6 +810,7 @@ GEN_VSX_HELPER_2(xscvdphp, 0x16, 0x15, 0x11, PPC2_ISA300) GEN_VSX_HELPER_2(xscvdpsp, 0x12, 0x10, 0, PPC2_VSX) GEN_VSX_HELPER_2(xscvdpqp, 0x04, 0x1A, 0x16, PPC2_ISA300) GEN_VSX_HELPER_XT_XB_ENV(xscvdpspn, 0x16, 0x10, 0, PPC2_VSX207) +GEN_VSX_HELPER_2(xscvqpdp, 0x04, 0x1A, 0x14, PPC2_ISA300) GEN_VSX_HELPER_2(xscvhpdp, 0x16, 0x15, 0x10, PPC2_ISA300) GEN_VSX_HELPER_2(xscvspdp, 0x12, 0x14, 0, PPC2_VSX) GEN_VSX_HELPER_XT_XB_ENV(xscvspdpn, 0x16, 0x14, 0, PPC2_VSX207) diff --git a/target/ppc/translate/vsx-ops.inc.c b/target/ppc/translate/vsx-ops.inc.c index e75ecd1..aeeaff2 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -113,6 +113,7 @@ GEN_VSX_XFORM_300_EO(xsnabsqp, 0x04, 0x19, 0x08, 0x00000001), GEN_VSX_XFORM_300_EO(xsnegqp, 0x04, 0x19, 0x10, 0x00000001), GEN_VSX_XFORM_300(xscpsgnqp, 0x04, 0x03, 0x00000001), GEN_VSX_XFORM_300_EO(xscvdpqp, 0x04, 0x1A, 0x16, 0x00000001), +GEN_VSX_XFORM_300_EO(xscvqpdp, 0x04, 0x1A, 0x14, 0x0), #ifdef TARGET_PPC64 GEN_XX2FORM_EO(xsxexpdp, 0x16, 0x15, 0x00, PPC2_ISA300),