From patchwork Thu Jan 5 11:26:06 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: 9498893 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 F1762606DE for ; Thu, 5 Jan 2017 11:32:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D436C28334 for ; Thu, 5 Jan 2017 11:32:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C63FE2833B; Thu, 5 Jan 2017 11:32:42 +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 3AA2128334 for ; Thu, 5 Jan 2017 11:32:42 +0000 (UTC) Received: from localhost ([::1]:45735 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cP6Hh-0004ic-12 for patchwork-qemu-devel@patchwork.kernel.org; Thu, 05 Jan 2017 06:32:41 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42366) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cP6Bx-0000RA-MF for qemu-devel@nongnu.org; Thu, 05 Jan 2017 06:26:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cP6Bt-0006Oq-Mp for qemu-devel@nongnu.org; Thu, 05 Jan 2017 06:26:45 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:54117 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 1cP6Bt-0006Oi-I4 for qemu-devel@nongnu.org; Thu, 05 Jan 2017 06:26:41 -0500 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id v05BO1Ie091618 for ; Thu, 5 Jan 2017 06:26:41 -0500 Received: from e28smtp07.in.ibm.com (e28smtp07.in.ibm.com [125.16.236.7]) by mx0b-001b2d01.pphosted.com with ESMTP id 27skwvux25-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 05 Jan 2017 06:26:40 -0500 Received: from localhost by e28smtp07.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 5 Jan 2017 16:56:33 +0530 Received: from d28relay01.in.ibm.com (d28relay01.in.ibm.com [9.184.220.58]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id 9B1C73940062; Thu, 5 Jan 2017 16:56:32 +0530 (IST) Received: from d28av06.in.ibm.com (d28av06.in.ibm.com [9.184.220.48]) by d28relay01.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v05BQVh247448146; Thu, 5 Jan 2017 16:56:31 +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 v05BQVrf030107; Thu, 5 Jan 2017 16:56:31 +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 v05BQRB2029840; Thu, 5 Jan 2017 16:56:30 +0530 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Thu, 5 Jan 2017 16:56:06 +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: 17010511-0024-0000-0000-0000037B1A02 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17010511-0025-0000-0000-000010C1AA3E Message-Id: <1483615579-17618-2-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 01/14] target-ppc: Add xxextractuw 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 xxextractuw: VSX Vector Extract Unsigned Word Signed-off-by: Nikunj A Dadhania --- target-ppc/helper.h | 1 + target-ppc/int_helper.c | 26 ++++++++++++++++++++++++++ target-ppc/translate/vsx-impl.inc.c | 30 ++++++++++++++++++++++++++++++ target-ppc/translate/vsx-ops.inc.c | 5 +++++ 4 files changed, 62 insertions(+) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 4707db4..8b30420 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -540,6 +540,7 @@ DEF_HELPER_2(xvrspip, void, env, i32) DEF_HELPER_2(xvrspiz, void, env, i32) DEF_HELPER_2(xxperm, void, env, i32) DEF_HELPER_2(xxpermr, void, env, i32) +DEF_HELPER_4(xxextractuw, void, env, tl, tl, i32) DEF_HELPER_2(efscfsi, i32, env, i32) DEF_HELPER_2(efscfui, i32, env, i32) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 2bb628f..63ba0e3 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -2033,6 +2033,32 @@ VEXTRACT(uw, u32) VEXTRACT(d, u64) #undef VEXTRACT +void helper_xxextractuw(CPUPPCState *env, target_ulong xtn, + target_ulong xbn, uint32_t index) +{ + ppc_vsr_t xt, xb; + size_t es = sizeof(uint32_t); + uint32_t ext_index; + int i; + + getVSR(xbn, &xb, env); + memset(&xt, 0, sizeof(xt)); + +#if defined(HOST_WORDS_BIGENDIAN) + ext_index = index; + for (i = 0; i < es; i++, ext_index++) { + xt.u8[8 - es + i] = xb.u8[ext_index % 16]; + } +#else + ext_index = 15 - index; + for (i = es - 1; i >= 0; i--, ext_index--) { + xt.u8[8 + i] = xb.u8[ext_index % 16]; + } +#endif + + putVSR(xtn, &xt, env); +} + #define VEXT_SIGNED(name, element, mask, cast, recast) \ void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \ { \ diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c index 2a17c35..7977f24 100644 --- a/target-ppc/translate/vsx-impl.inc.c +++ b/target-ppc/translate/vsx-impl.inc.c @@ -1180,6 +1180,36 @@ static void gen_xxsldwi(DisasContext *ctx) tcg_temp_free_i64(xtl); } +#define VSX_EXTRACT(name) \ +static void gen_##name(DisasContext *ctx) \ +{ \ + TCGv xt, xb; \ + TCGv_i32 t0 = tcg_temp_new_i32(); \ + uint8_t uimm = UIMM4(ctx->opcode); \ + \ + if (unlikely(!ctx->vsx_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_VSXU); \ + return; \ + } \ + xt = tcg_const_tl(xT(ctx->opcode)); \ + xb = tcg_const_tl(xB(ctx->opcode)); \ + /* uimm > 15 out of bound and for \ + * uimm > 12 handle as per hardware in helper \ + */ \ + if (uimm > 15) { \ + tcg_gen_movi_i64(cpu_vsrh(xT(ctx->opcode)), 0); \ + tcg_gen_movi_i64(cpu_vsrl(xT(ctx->opcode)), 0); \ + return; \ + } \ + tcg_gen_movi_i32(t0, uimm); \ + gen_helper_##name(cpu_env, xt, xb, t0); \ + tcg_temp_free(xb); \ + tcg_temp_free(xt); \ + tcg_temp_free_i32(t0); \ +} + +VSX_EXTRACT(xxextractuw) + #undef GEN_XX2FORM #undef GEN_XX3FORM #undef GEN_XX2IFORM diff --git a/target-ppc/translate/vsx-ops.inc.c b/target-ppc/translate/vsx-ops.inc.c index 46b95e3..473d925 100644 --- a/target-ppc/translate/vsx-ops.inc.c +++ b/target-ppc/translate/vsx-ops.inc.c @@ -49,6 +49,10 @@ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0, PPC_NONE, fl2) GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0, opc3, 0, PPC_NONE, fl2), \ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0, PPC_NONE, fl2) +#define GEN_XX2FORM_EXT(name, opc2, opc3, fl2) \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0, opc3, 0x00100000, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0x00100000, PPC_NONE, fl2) + #define GEN_XX2FORM_EO(name, opc2, opc3, opc4, fl2) \ GEN_HANDLER2_E_2(name, #name, 0x3C, opc2 | 0, opc3, opc4, 0, PPC_NONE, fl2), \ GEN_HANDLER2_E_2(name, #name, 0x3C, opc2 | 1, opc3, opc4, 0, PPC_NONE, fl2) @@ -280,6 +284,7 @@ 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), +GEN_XX2FORM_EXT(xxextractuw, 0x0A, 0x0A, PPC2_ISA300), #define GEN_XXSEL_ROW(opc3) \ GEN_HANDLER2_E(xxsel, "xxsel", 0x3C, 0x18, opc3, 0, PPC_NONE, PPC2_VSX), \