From patchwork Wed Sep 28 05:31:24 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: 9353127 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 BF45960756 for ; Wed, 28 Sep 2016 05:43:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A918F2930F for ; Wed, 28 Sep 2016 05:43:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9DEAB2931B; Wed, 28 Sep 2016 05:43:57 +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 229D22930F for ; Wed, 28 Sep 2016 05:43:56 +0000 (UTC) Received: from localhost ([::1]:56158 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bp7et-0003HV-Ug for patchwork-qemu-devel@patchwork.kernel.org; Wed, 28 Sep 2016 01:43:55 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51185) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bp7TL-0000hu-7i for qemu-devel@nongnu.org; Wed, 28 Sep 2016 01:32:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bp7TF-0002L5-TY for qemu-devel@nongnu.org; Wed, 28 Sep 2016 01:31:58 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:33270 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bp7TF-0002Ke-Oi for qemu-devel@nongnu.org; Wed, 28 Sep 2016 01:31:53 -0400 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 u8S5S0JV032343 for ; Wed, 28 Sep 2016 01:31:53 -0400 Received: from e23smtp03.au.ibm.com (e23smtp03.au.ibm.com [202.81.31.145]) by mx0b-001b2d01.pphosted.com with ESMTP id 25qu85yxbt-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 28 Sep 2016 01:31:53 -0400 Received: from localhost by e23smtp03.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 28 Sep 2016 15:31:47 +1000 Received: from d23dlp02.au.ibm.com (202.81.31.213) by e23smtp03.au.ibm.com (202.81.31.209) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Wed, 28 Sep 2016 15:31:45 +1000 Received: from d23relay10.au.ibm.com (d23relay10.au.ibm.com [9.190.26.77]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 2F4F32BB0045; Wed, 28 Sep 2016 15:31:45 +1000 (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 u8S5VjNl59244612; Wed, 28 Sep 2016 15:31:45 +1000 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 u8S5VigU002843; Wed, 28 Sep 2016 15:31:45 +1000 Received: from abhimanyu.in.ibm.com (abhimanyu.in.ibm.com [9.124.35.57] (may be forged)) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u8S5VWx2002506; Wed, 28 Sep 2016 15:31:43 +1000 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Wed, 28 Sep 2016 11:01:24 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1475040687-27523-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1475040687-27523-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16092805-0008-0000-0000-000000C9F276 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16092805-0009-0000-0000-0000082B5784 Message-Id: <1475040687-27523-7-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-09-28_03:, , 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=8.0.1-1609020000 definitions=main-1609280097 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH v4 6/9] target-ppc: add lxvh8x 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 Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP lxvh8x: Load VSX Vector Halfword*8 Big-Endian Storage +-------+-------+-------+-------+-------+-------+-------+-------+ | 00 01 | 10 11 | 20 21 | 30 31 | 40 41 | 50 51 | 60 61 | 70 71 | +-------+-------+-------+-------+-------+-------+-------+-------+ Little-Endian Storage +-------+-------+-------+-------+-------+-------+-------+-------+ | 01 00 | 11 10 | 21 20 | 31 30 | 41 40 | 51 50 | 61 60 | 71 70 | +-------+-------+-------+-------+-------+-------+-------+-------+ Vector load results in: +-------+-------+-------+-------+-------+-------+-------+-------+ | 00 01 | 10 11 | 20 21 | 30 31 | 40 41 | 50 51 | 60 61 | 70 71 | +-------+-------+-------+-------+-------+-------+-------+-------+ Signed-off-by: Nikunj A Dadhania --- target-ppc/helper.h | 1 + target-ppc/mem_helper.c | 6 ++++++ target-ppc/translate/vsx-impl.inc.c | 28 ++++++++++++++++++++++++++++ target-ppc/translate/vsx-ops.inc.c | 1 + 4 files changed, 36 insertions(+) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index a1c2962..9689000 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -298,6 +298,7 @@ DEF_HELPER_2(mtvscr, void, env, avr) DEF_HELPER_3(lvebx, void, env, avr, tl) DEF_HELPER_3(lvehx, void, env, avr, tl) DEF_HELPER_3(lvewx, void, env, avr, tl) +DEF_HELPER_1(bswap16x4, i64, i64) DEF_HELPER_3(stvebx, void, env, avr, tl) DEF_HELPER_3(stvehx, void, env, avr, tl) DEF_HELPER_3(stvewx, void, env, avr, tl) diff --git a/target-ppc/mem_helper.c b/target-ppc/mem_helper.c index 6548715..29c7b5b 100644 --- a/target-ppc/mem_helper.c +++ b/target-ppc/mem_helper.c @@ -285,6 +285,12 @@ STVE(stvewx, cpu_stl_data_ra, bswap32, u32) #undef I #undef LVE +uint64_t helper_bswap16x4(uint64_t x) +{ + uint64_t m = 0x00ff00ff00ff00ffull; + return ((x & m) << 8) | ((x >> 8) & m); +} + #undef HI_IDX #undef LO_IDX diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c index 9fdab5f..51f3dcb 100644 --- a/target-ppc/translate/vsx-impl.inc.c +++ b/target-ppc/translate/vsx-impl.inc.c @@ -107,6 +107,34 @@ static void gen_lxvw4x(DisasContext *ctx) tcg_temp_free(EA); } +static void gen_lxvh8x(DisasContext *ctx) +{ + TCGv EA; + TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode)); + TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode)); + + if (unlikely(!ctx->vsx_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VSXU); + return; + } + gen_set_access_type(ctx, ACCESS_INT); + EA = tcg_temp_new(); + gen_addr_reg_index(ctx, EA); + + if (ctx->le_mode) { + tcg_gen_qemu_ld_i64(xth, EA, ctx->mem_idx, MO_BEQ); + gen_helper_bswap16x4(xth, xth); + tcg_gen_addi_tl(EA, EA, 8); + tcg_gen_qemu_ld_i64(xtl, EA, ctx->mem_idx, MO_BEQ); + gen_helper_bswap16x4(xtl, xtl); + } else { + tcg_gen_qemu_ld_i64(xth, EA, ctx->mem_idx, MO_BEQ); + tcg_gen_addi_tl(EA, EA, 8); + tcg_gen_qemu_ld_i64(xtl, EA, ctx->mem_idx, MO_BEQ); + } + tcg_temp_free(EA); +} + #define VSX_STORE_SCALAR(name, operation) \ static void gen_##name(DisasContext *ctx) \ { \ diff --git a/target-ppc/translate/vsx-ops.inc.c b/target-ppc/translate/vsx-ops.inc.c index d5f5b87..c52e6ff 100644 --- a/target-ppc/translate/vsx-ops.inc.c +++ b/target-ppc/translate/vsx-ops.inc.c @@ -7,6 +7,7 @@ GEN_HANDLER_E(lxsspx, 0x1F, 0x0C, 0x10, 0, PPC_NONE, PPC2_VSX207), GEN_HANDLER_E(lxvd2x, 0x1F, 0x0C, 0x1A, 0, PPC_NONE, PPC2_VSX), GEN_HANDLER_E(lxvdsx, 0x1F, 0x0C, 0x0A, 0, PPC_NONE, PPC2_VSX), GEN_HANDLER_E(lxvw4x, 0x1F, 0x0C, 0x18, 0, PPC_NONE, PPC2_VSX), +GEN_HANDLER_E(lxvh8x, 0x1F, 0x0C, 0x19, 0, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(stxsdx, 0x1F, 0xC, 0x16, 0, PPC_NONE, PPC2_VSX), GEN_HANDLER_E(stxsibx, 0x1F, 0xD, 0x1C, 0, PPC_NONE, PPC2_ISA300),