From patchwork Mon Jan 9 14:26:14 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: 9504899 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 33B51606E1 for ; Mon, 9 Jan 2017 14:27:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2536128112 for ; Mon, 9 Jan 2017 14:27:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 180D8284E8; Mon, 9 Jan 2017 14:27:32 +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 84F9228112 for ; Mon, 9 Jan 2017 14:27:31 +0000 (UTC) Received: from localhost ([::1]:40180 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cQav4-0004ZY-IM for patchwork-qemu-devel@patchwork.kernel.org; Mon, 09 Jan 2017 09:27:30 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44301) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cQauU-0004W0-Nd for qemu-devel@nongnu.org; Mon, 09 Jan 2017 09:26:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cQauR-0001Al-HL for qemu-devel@nongnu.org; Mon, 09 Jan 2017 09:26:54 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:47392) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cQauR-0001Ac-8Y for qemu-devel@nongnu.org; Mon, 09 Jan 2017 09:26:51 -0500 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id v09EOR9G047986 for ; Mon, 9 Jan 2017 09:26:50 -0500 Received: from e23smtp06.au.ibm.com (e23smtp06.au.ibm.com [202.81.31.148]) by mx0a-001b2d01.pphosted.com with ESMTP id 27v7va37g7-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 09 Jan 2017 09:26:49 -0500 Received: from localhost by e23smtp06.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Tue, 10 Jan 2017 00:26:43 +1000 Received: from d23relay10.au.ibm.com (d23relay10.au.ibm.com [9.190.26.77]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id DDFBB2BB0045; Tue, 10 Jan 2017 01:26:42 +1100 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay10.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v09EQg0K54657212; Tue, 10 Jan 2017 01:26:42 +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 v09EQgDH002794; Tue, 10 Jan 2017 01:26:42 +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 v09EQNgo002427; Tue, 10 Jan 2017 01:26:36 +1100 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Date: Mon, 9 Jan 2017 19:56:14 +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: 17010914-0040-0000-0000-000002E0B6B2 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17010914-0041-0000-0000-00000C0886A9 Message-Id: <1483971975-5612-3-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: 148.163.156.1 Subject: [Qemu-devel] [PATCH v2 2/3] target-ppc: Add xscvdpqp 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 xscvdpqp: VSX Scalar Convert Double-Precision format to Quad-Precision format Signed-off-by: Bharata B Rao Signed-off-by: Nikunj A Dadhania --- target/ppc/fpu_helper.c | 45 +++++++++++++++++++++++++++++++++++++ target/ppc/helper.h | 1 + target/ppc/translate/vsx-impl.inc.c | 1 + target/ppc/translate/vsx-ops.inc.c | 1 + 4 files changed, 48 insertions(+) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 6e7279c..16397ef 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -22,6 +22,15 @@ #include "exec/exec-all.h" #include "internal.h" +static inline float128 float128_snan_to_qnan(float128 x) +{ + float128 r; + + r.high = x.high | 0x0000800000000000; + r.low = x.low; + return r; +} + #define float64_snan_to_qnan(x) ((x) | 0x0008000000000000ULL) #define float32_snan_to_qnan(x) ((x) | 0x00400000) #define float16_snan_to_qnan(x) ((x) | 0x0200) @@ -2702,6 +2711,42 @@ VSX_CVT_FP_TO_FP(xscvspdp, 1, float32, float64, VsrW(0), VsrD(0), 1) VSX_CVT_FP_TO_FP(xvcvdpsp, 2, float64, float32, VsrD(i), VsrW(2*i), 0) VSX_CVT_FP_TO_FP(xvcvspdp, 2, float32, float64, VsrW(2*i), VsrD(i), 0) +/* VSX_CVT_FP_TO_FP_VECTOR - VSX floating point/floating point conversion + * op - instruction mnemonic + * nels - number of elements (1, 2 or 4) + * stp - source type (float32 or float64) + * ttp - target type (float32 or float64) + * sfld - source vsr_t field + * tfld - target vsr_t field (f32 or f64) + * sfprf - set FPRF + */ +#define VSX_CVT_FP_TO_FP_VECTOR(op, nels, stp, ttp, sfld, tfld, sfprf) \ +void helper_##op(CPUPPCState *env, uint32_t opcode) \ +{ \ + ppc_vsr_t xt, xb; \ + int i; \ + \ + getVSR(rB(opcode) + 32, &xb, env); \ + getVSR(rD(opcode) + 32, &xt, env); \ + \ + for (i = 0; i < nels; i++) { \ + xt.tfld = stp##_to_##ttp(xb.sfld, &env->fp_status); \ + if (unlikely(stp##_is_signaling_nan(xb.sfld, \ + &env->fp_status))) { \ + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \ + xt.tfld = ttp##_snan_to_qnan(xt.tfld); \ + } \ + if (sfprf) { \ + helper_compute_fprf_##ttp(env, xt.tfld); \ + } \ + } \ + \ + putVSR(rD(opcode) + 32, &xt, env); \ + float_check_status(env); \ +} + +VSX_CVT_FP_TO_FP_VECTOR(xscvdpqp, 1, float64, float128, VsrD(0), f128, 1) + /* VSX_CVT_FP_TO_FP_HP - VSX floating point/floating point conversion * involving one half precision value * op - instruction mnemonic diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 889fe55..3b5d0ad 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -430,6 +430,7 @@ DEF_HELPER_2(xscmpuqp, void, env, i32) DEF_HELPER_2(xsmaxdp, void, env, i32) DEF_HELPER_2(xsmindp, void, env, i32) 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(xscvhpdp, void, env, i32) diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c index 113ccf3..01b5621 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -808,6 +808,7 @@ GEN_VSX_HELPER_2(xsmaxdp, 0x00, 0x14, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsmindp, 0x00, 0x15, 0, PPC2_VSX) 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(xscvhpdp, 0x16, 0x15, 0x10, PPC2_ISA300) GEN_VSX_HELPER_2(xscvspdp, 0x12, 0x14, 0, PPC2_VSX) diff --git a/target/ppc/translate/vsx-ops.inc.c b/target/ppc/translate/vsx-ops.inc.c index 882e11b..e75ecd1 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -112,6 +112,7 @@ GEN_VSX_XFORM_300_EO(xsabsqp, 0x04, 0x19, 0x00, 0x00000001), 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), #ifdef TARGET_PPC64 GEN_XX2FORM_EO(xsxexpdp, 0x16, 0x15, 0x00, PPC2_ISA300),