From patchwork Fri Jun 15 14:25:12 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 930033 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linaro.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 416kSt0QNdz9s19 for ; Sat, 16 Jun 2018 01:10:38 +1000 (AEST) Received: from localhost ([::1]:47411 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fTqN1-0007Cv-JM for incoming@patchwork.ozlabs.org; Fri, 15 Jun 2018 11:10:35 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:32833) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fTpfh-0001uA-WF for qemu-devel@nongnu.org; Fri, 15 Jun 2018 10:25:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fTpfg-0006Pg-VR for qemu-devel@nongnu.org; Fri, 15 Jun 2018 10:25:50 -0400 Received: from orth.archaic.org.uk ([2001:8b0:1d0::2]:42784) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fTpfg-0006OQ-Ng for qemu-devel@nongnu.org; Fri, 15 Jun 2018 10:25:48 -0400 Received: from pm215 by orth.archaic.org.uk with local (Exim 4.89) (envelope-from ) id 1fTpff-0003pc-MJ for qemu-devel@nongnu.org; Fri, 15 Jun 2018 15:25:47 +0100 From: Peter Maydell To: qemu-devel@nongnu.org Date: Fri, 15 Jun 2018 15:25:12 +0100 Message-Id: <20180615142521.19143-35-peter.maydell@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180615142521.19143-1-peter.maydell@linaro.org> References: <20180615142521.19143-1-peter.maydell@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2001:8b0:1d0::2 Subject: [Qemu-devel] [PULL 34/43] target/arm: Implement FDUP/DUP 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: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Richard Henderson Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Message-id: 20180613015641.5667-17-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/translate-sve.c | 37 +++++++++++++++++++++++++++++++++++++ target/arm/sve.decode | 8 ++++++++ 2 files changed, 45 insertions(+) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index ae6a504f61b..13d5effff12 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -3191,6 +3191,43 @@ static bool trans_WHILE(DisasContext *s, arg_WHILE *a, uint32_t insn) return true; } +/* + *** SVE Integer Wide Immediate - Unpredicated Group + */ + +static bool trans_FDUP(DisasContext *s, arg_FDUP *a, uint32_t insn) +{ + if (a->esz == 0) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz = vec_full_reg_size(s); + int dofs = vec_full_reg_offset(s, a->rd); + uint64_t imm; + + /* Decode the VFP immediate. */ + imm = vfp_expand_imm(a->esz, a->imm); + imm = dup_const(a->esz, imm); + + tcg_gen_gvec_dup64i(dofs, vsz, vsz, imm); + } + return true; +} + +static bool trans_DUP_i(DisasContext *s, arg_DUP_i *a, uint32_t insn) +{ + if (a->esz == 0 && extract32(insn, 13, 1)) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz = vec_full_reg_size(s); + int dofs = vec_full_reg_offset(s, a->rd); + + tcg_gen_gvec_dup64i(dofs, vsz, vsz, dup_const(a->esz, a->imm)); + } + return true; +} + /* *** SVE Memory - 32-bit Gather and Unsized Contiguous Group */ diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 4b718060a9c..b8bd22aff7a 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -614,6 +614,14 @@ CTERM 00100101 1 sf:1 1 rm:5 001000 rn:5 ne:1 0000 # SVE integer compare scalar count and limit WHILE 00100101 esz:2 1 rm:5 000 sf:1 u:1 1 rn:5 eq:1 rd:4 +### SVE Integer Wide Immediate - Unpredicated Group + +# SVE broadcast floating-point immediate (unpredicated) +FDUP 00100101 esz:2 111 00 1110 imm:8 rd:5 + +# SVE broadcast integer immediate (unpredicated) +DUP_i 00100101 esz:2 111 00 011 . ........ rd:5 imm=%sh8_i8s + ### SVE Memory - 32-bit Gather and Unsized Contiguous Group # SVE load predicate register