From patchwork Wed Sep 28 05:31:23 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: 9353121 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 ABF8760756 for ; Wed, 28 Sep 2016 05:40:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9358525223 for ; Wed, 28 Sep 2016 05:40:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 87F402930F; Wed, 28 Sep 2016 05:40:26 +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 2BA2A25223 for ; Wed, 28 Sep 2016 05:40:26 +0000 (UTC) Received: from localhost ([::1]:56137 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bp7bV-0000HP-8J for patchwork-qemu-devel@patchwork.kernel.org; Wed, 28 Sep 2016 01:40:25 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51152) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bp7TI-0000eb-Bp for qemu-devel@nongnu.org; Wed, 28 Sep 2016 01:32:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bp7TD-0002Ik-1k for qemu-devel@nongnu.org; Wed, 28 Sep 2016 01:31:55 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:38055) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bp7TC-0002Ic-Ov for qemu-devel@nongnu.org; Wed, 28 Sep 2016 01:31:50 -0400 Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u8S5S1mb084204 for ; Wed, 28 Sep 2016 01:31:50 -0400 Received: from e23smtp07.au.ibm.com (e23smtp07.au.ibm.com [202.81.31.140]) by mx0a-001b2d01.pphosted.com with ESMTP id 25r24jnkxd-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 28 Sep 2016 01:31:49 -0400 Received: from localhost by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Wed, 28 Sep 2016 15:31:44 +1000 Received: from d23relay09.au.ibm.com (d23relay09.au.ibm.com [9.185.63.181]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 922E83578056; Wed, 28 Sep 2016 15:31:43 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay09.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u8S5VhPZ2425324; Wed, 28 Sep 2016 15:31:43 +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 u8S5Vgfb002792; Wed, 28 Sep 2016 15:31:43 +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 u8S5VWx1002506; Wed, 28 Sep 2016 15:31:41 +1000 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Wed, 28 Sep 2016 11:01:23 +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: 16092805-0044-0000-0000-000001E7863A X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16092805-0045-0000-0000-000005A2FC5F Message-Id: <1475040687-27523-6-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: 148.163.156.1 Subject: [Qemu-devel] [PATCH v4 5/9] target-ppc: improve stxvw4x implementation 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 Manipulate data and store 8bytes instead of 4bytes. Vector: +-------------+-------------+-------------+-------------+ | 00 11 22 33 | 44 55 66 77 | 88 99 AA BB | CC DD EE FF | +-------------+-------------+-------------+-------------+ Store results in following: Big-Endian Storage +-------------+-------------+-------------+-------------+ | 00 11 22 33 | 44 55 66 77 | 88 99 AA BB | CC DD EE FF | +-------------+-------------+-------------+-------------+ Little-Endian Storage +-------------+-------------+-------------+-------------+ | 33 22 11 00 | 77 66 55 44 | BB AA 99 88 | FF EE DD CC | +-------------+-------------+-------------+-------------+ Signed-off-by: Nikunj A Dadhania Reviewed-by: Richard Henderson --- target-ppc/translate/vsx-impl.inc.c | 33 +++++++++++++++++++-------------- 1 file changed, 19 insertions(+), 14 deletions(-) diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c index 1eca042..9fdab5f 100644 --- a/target-ppc/translate/vsx-impl.inc.c +++ b/target-ppc/translate/vsx-impl.inc.c @@ -147,7 +147,8 @@ static void gen_stxvd2x(DisasContext *ctx) static void gen_stxvw4x(DisasContext *ctx) { - TCGv_i64 tmp; + TCGv_i64 xsh = cpu_vsrh(xS(ctx->opcode)); + TCGv_i64 xsl = cpu_vsrl(xS(ctx->opcode)); TCGv EA; if (unlikely(!ctx->vsx_enabled)) { gen_exception(ctx, POWERPC_EXCP_VSXU); @@ -156,21 +157,25 @@ static void gen_stxvw4x(DisasContext *ctx) gen_set_access_type(ctx, ACCESS_INT); EA = tcg_temp_new(); gen_addr_reg_index(ctx, EA); - tmp = tcg_temp_new_i64(); - - tcg_gen_shri_i64(tmp, cpu_vsrh(xS(ctx->opcode)), 32); - gen_qemu_st32_i64(ctx, tmp, EA); - tcg_gen_addi_tl(EA, EA, 4); - gen_qemu_st32_i64(ctx, cpu_vsrh(xS(ctx->opcode)), EA); - - tcg_gen_shri_i64(tmp, cpu_vsrl(xS(ctx->opcode)), 32); - tcg_gen_addi_tl(EA, EA, 4); - gen_qemu_st32_i64(ctx, tmp, EA); - tcg_gen_addi_tl(EA, EA, 4); - gen_qemu_st32_i64(ctx, cpu_vsrl(xS(ctx->opcode)), EA); + if (ctx->le_mode) { + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + tcg_gen_shri_i64(t0, xsh, 32); + tcg_gen_deposit_i64(t1, t0, xsh, 32, 32); + tcg_gen_qemu_st_i64(t1, EA, ctx->mem_idx, MO_LEQ); + tcg_gen_addi_tl(EA, EA, 8); + tcg_gen_shri_i64(t0, xsl, 32); + tcg_gen_deposit_i64(t1, t0, xsl, 32, 32); + tcg_gen_qemu_st_i64(t1, EA, ctx->mem_idx, MO_LEQ); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } else { + tcg_gen_qemu_st_i64(xsh, EA, ctx->mem_idx, MO_BEQ); + tcg_gen_addi_tl(EA, EA, 8); + tcg_gen_qemu_st_i64(xsl, EA, ctx->mem_idx, MO_BEQ); + } tcg_temp_free(EA); - tcg_temp_free_i64(tmp); } #define MV_VSRW(name, tcgop1, tcgop2, target, source) \