From patchwork Mon Dec 5 11:25:30 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nikunj A. Dadhania" X-Patchwork-Id: 9460883 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 8E7A960459 for ; Mon, 5 Dec 2016 11:39:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 80799204BF for ; Mon, 5 Dec 2016 11:39:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7520D24B48; Mon, 5 Dec 2016 11:39:25 +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 D884C204BF for ; Mon, 5 Dec 2016 11:39:23 +0000 (UTC) Received: from localhost ([::1]:39289 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cDrcA-0004um-Sz for patchwork-qemu-devel@patchwork.kernel.org; Mon, 05 Dec 2016 06:39:22 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54682) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cDrPN-0003Hm-Og for qemu-devel@nongnu.org; Mon, 05 Dec 2016 06:26:11 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cDrPJ-0007rZ-OU for qemu-devel@nongnu.org; Mon, 05 Dec 2016 06:26:09 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:48286) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cDrPJ-0007qo-Fn for qemu-devel@nongnu.org; Mon, 05 Dec 2016 06:26:05 -0500 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id uB5BKS6p018814 for ; Mon, 5 Dec 2016 06:26:04 -0500 Received: from e23smtp02.au.ibm.com (e23smtp02.au.ibm.com [202.81.31.144]) by mx0a-001b2d01.pphosted.com with ESMTP id 27542v21yb-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 05 Dec 2016 06:26:04 -0500 Received: from localhost by e23smtp02.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 5 Dec 2016 21:26:02 +1000 Received: from d23dlp03.au.ibm.com (202.81.31.214) by e23smtp02.au.ibm.com (202.81.31.208) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Mon, 5 Dec 2016 21:25:59 +1000 Received: from d23relay10.au.ibm.com (d23relay10.au.ibm.com [9.190.26.77]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id ECB473578053; Mon, 5 Dec 2016 22:25:58 +1100 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay10.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id uB5BPw0P2425152; Mon, 5 Dec 2016 22:25:58 +1100 Received: from d23av04.au.ibm.com (localhost [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id uB5BPwHZ006078; Mon, 5 Dec 2016 22:25:58 +1100 Received: from abhimanyu.in.ibm.com (abhimanyu.in.ibm.com [9.124.35.213] (may be forged)) by d23av04.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id uB5BPbHv005358; Mon, 5 Dec 2016 22:25:57 +1100 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Mon, 5 Dec 2016 16:55:30 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1480937130-24561-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1480937130-24561-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16120511-0004-0000-0000-000001C37BB5 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16120511-0005-0000-0000-0000093F3289 Message-Id: <1480937130-24561-14-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-12-05_08:, , 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=8.0.1-1609300000 definitions=main-1612050196 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 13/13] target-ppc: Add xxperm and xxpermr instructions 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 xxperm: VSX Vector Permute xxpermr: VSX Vector Permute Right-indexed Signed-off-by: Bharata B Rao Signed-off-by: Nikunj A Dadhania --- target-ppc/fpu_helper.c | 50 +++++++++++++++++++++++++++++++++++++ target-ppc/helper.h | 2 ++ target-ppc/translate/vsx-impl.inc.c | 2 ++ target-ppc/translate/vsx-ops.inc.c | 2 ++ 4 files changed, 56 insertions(+) diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index 3b867cf..be552c7 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -2869,3 +2869,53 @@ uint64_t helper_xsrsp(CPUPPCState *env, uint64_t xb) float_check_status(env); return xt; } + +static void vsr_copy_256(ppc_vsr_t *xa, ppc_vsr_t *xt, int8_t *src) +{ +#if defined(HOST_WORDS_BIGENDIAN) + memcpy(src, xa, sizeof(*xa)); + memcpy(src + 16, xt, sizeof(*xt)); +#else + memcpy(src, xt, sizeof(*xt)); + memcpy(src + 16, xa, sizeof(*xa)); +#endif +} + +static int8_t vsr_get_byte(int8_t *src, int bound, int idx) +{ + if (idx >= bound) { + return 0xFF; + } +#if defined(HOST_WORDS_BIGENDIAN) + return src[idx]; +#else + return src[bound - 1 - idx]; +#endif +} + +#define VSX_XXPERM(op, indexed) \ +void helper_##op(CPUPPCState *env, uint32_t opcode) \ +{ \ + ppc_vsr_t xt, xa, pcv; \ + int i, idx; \ + int8_t src[32]; \ + \ + getVSR(xA(opcode), &xa, env); \ + getVSR(xT(opcode), &xt, env); \ + getVSR(xB(opcode), &pcv, env); \ + \ + vsr_copy_256(&xa, &xt, src); \ + \ + for (i = 0; i < 16; i++) { \ + idx = pcv.VsrB(i) & 0x1F; \ + if (indexed) { \ + xt.VsrB(i) = vsr_get_byte(src, 32, 31 - idx); \ + } else { \ + xt.VsrB(i) = vsr_get_byte(src, 32, idx); \ + } \ + } \ + putVSR(xT(opcode), &xt, env); \ +} + +VSX_XXPERM(xxperm, 0) +VSX_XXPERM(xxpermr, 1) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 9f812c8..399cf99 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -538,6 +538,8 @@ DEF_HELPER_2(xvrspip, void, env, i32) DEF_HELPER_2(xvrspiz, void, env, i32) DEF_HELPER_4(xxextractuw, void, env, tl, tl, i32) DEF_HELPER_4(xxinsertw, void, env, tl, tl, i32) +DEF_HELPER_2(xxperm, void, env, i32) +DEF_HELPER_2(xxpermr, void, env, i32) DEF_HELPER_2(efscfsi, i32, env, i32) DEF_HELPER_2(efscfui, i32, env, i32) diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c index 77f098b..2ad152e 100644 --- a/target-ppc/translate/vsx-impl.inc.c +++ b/target-ppc/translate/vsx-impl.inc.c @@ -914,6 +914,8 @@ GEN_VSX_HELPER_2(xvrspic, 0x16, 0x0A, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvrspim, 0x12, 0x0B, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvrspip, 0x12, 0x0A, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvrspiz, 0x12, 0x09, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xxperm, 0x08, 0x03, 0, PPC2_ISA300) +GEN_VSX_HELPER_2(xxpermr, 0x08, 0x07, 0, PPC2_ISA300) static void gen_xxbrd(DisasContext *ctx) { diff --git a/target-ppc/translate/vsx-ops.inc.c b/target-ppc/translate/vsx-ops.inc.c index 42e83d2..93fb9b8 100644 --- a/target-ppc/translate/vsx-ops.inc.c +++ b/target-ppc/translate/vsx-ops.inc.c @@ -275,6 +275,8 @@ VSX_LOGICAL(xxlnand, 0x8, 0x16, PPC2_VSX207), VSX_LOGICAL(xxlorc, 0x8, 0x15, PPC2_VSX207), GEN_XX3FORM(xxmrghw, 0x08, 0x02, PPC2_VSX), GEN_XX3FORM(xxmrglw, 0x08, 0x06, PPC2_VSX), +GEN_XX3FORM(xxperm, 0x08, 0x03, PPC2_ISA300), +GEN_XX3FORM(xxpermr, 0x08, 0x07, PPC2_ISA300), GEN_XX2FORM(xxspltw, 0x08, 0x0A, PPC2_VSX), GEN_XX1FORM(xxspltib, 0x08, 0x0B, PPC2_ISA300), GEN_XX3FORM_DM(xxsldwi, 0x08, 0x00),