From nobody Mon Feb 9 16:31:59 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1518893728524702.7615977050554; Sat, 17 Feb 2018 10:55:28 -0800 (PST) Received: from localhost ([::1]:48317 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1en7dt-0000y0-NX for importer@patchew.org; Sat, 17 Feb 2018 13:55:25 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40504) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1en7A2-0001DW-7n for qemu-devel@nongnu.org; Sat, 17 Feb 2018 13:24:35 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1en7A0-0001zc-M8 for qemu-devel@nongnu.org; Sat, 17 Feb 2018 13:24:34 -0500 Received: from mail-pf0-x242.google.com ([2607:f8b0:400e:c00::242]:45874) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1en7A0-0001zM-G9 for qemu-devel@nongnu.org; Sat, 17 Feb 2018 13:24:32 -0500 Received: by mail-pf0-x242.google.com with SMTP id w83so592594pfi.12 for ; Sat, 17 Feb 2018 10:24:32 -0800 (PST) Received: from cloudburst.twiddle.net ([50.0.192.64]) by smtp.gmail.com with ESMTPSA id h15sm13466712pfi.56.2018.02.17.10.24.29 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 17 Feb 2018 10:24:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Sbjzr4oP/2U5rXhk+eeI3UjsbSb3BRWAaUy7LI44TGI=; b=PivhMbZN4oKeFBK3typmjkvZQ71C+JQ3JiYxLXTBJzKP5klTatnO525dkf/tXWU/rA AiaaBByN9gbGc1dNyf6ZVkr6JS1cvRayazZ4Fh2KtO3puhQq24ieo2fDO/TImRhp50tD 63ReSVo1pLmf8exbQH6MiQQhLu+IIeyWrSfdA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Sbjzr4oP/2U5rXhk+eeI3UjsbSb3BRWAaUy7LI44TGI=; b=LG9UIc8UNbBQxna3+FCWQT3kOanlET4Z14G4N590jnPNT9NbYR4mbn51mZFDNvHcZq GP8biS2jYtdd9iudcAMq+EVjbph/Dqn0YnvdcJF+gb6C1VY7cUETP7EK9XerqSOpXS5a noLHA0hjyMhMLhsrAjqJkQLqLLrO5BA0HZ0jawQdKVApZ/BsEFOKZ4nF9mkcwOF5IQpI SAV51h4uAmIgXTSXig4lewCjoFZhMCGkEaIVoLDCF+L0ErwYCibgv8wYz08IGP/2c+np XaPRtYOK/MjHtriJ4CYOYrPYwzZid3A8rRXHbrkZkQyCNtndn34ifp5CuKk0t3mM2fjK Dwww== X-Gm-Message-State: APf1xPCpYPGh1Kc0PcWr+4gkHu8iTRodRQCAW6UmvAnSHQ8QwO6WmNEq E//hiZVa/qffHdSck0num72ACA0x2YQ= X-Google-Smtp-Source: AH8x2253CODkeK8tDn4NAjEbo/bQcKdf1Us3eaSh44sgoVlqPbIIKEfGXQg5KN0f3dYZoLLUSFuEyA== X-Received: by 10.98.92.68 with SMTP id q65mr9797853pfb.4.1518891871266; Sat, 17 Feb 2018 10:24:31 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Sat, 17 Feb 2018 10:22:57 -0800 Message-Id: <20180217182323.25885-42-richard.henderson@linaro.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180217182323.25885-1-richard.henderson@linaro.org> References: <20180217182323.25885-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c00::242 Subject: [Qemu-devel] [PATCH v2 41/67] 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: , Cc: qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/translate-sve.c | 35 +++++++++++++++++++++++++++++++++++ target/arm/sve.decode | 8 ++++++++ 2 files changed, 43 insertions(+) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 4b92a55c21..7571d02237 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -2939,6 +2939,41 @@ static void trans_WHILE(DisasContext *s, arg_WHILE *= a, uint32_t insn) tcg_temp_free_i32(t3); } =20 +/* + *** SVE Integer Wide Immediate - Unpredicated Group + */ + +static void trans_FDUP(DisasContext *s, arg_FDUP *a, uint32_t insn) +{ + unsigned vsz =3D vec_full_reg_size(s); + int dofs =3D vec_full_reg_offset(s, a->rd); + uint64_t imm; + + if (a->esz =3D=3D 0) { + unallocated_encoding(s); + return; + } + + /* Decode the VFP immediate. */ + imm =3D vfp_expand_imm(a->esz, a->imm); + imm =3D dup_const(a->esz, imm); + + tcg_gen_gvec_dup64i(dofs, vsz, vsz, imm); +} + +static void trans_DUP_i(DisasContext *s, arg_DUP_i *a, uint32_t insn) +{ + unsigned vsz =3D vec_full_reg_size(s); + int dofs =3D vec_full_reg_offset(s, a->rd); + + if (a->esz =3D=3D 0 && extract32(insn, 13, 1)) { + unallocated_encoding(s); + return; + } + + tcg_gen_gvec_dup64i(dofs, vsz, vsz, dup_const(a->esz, a->imm)); +} + /* *** SVE Memory - 32-bit Gather and Unsized Contiguous Group */ diff --git a/target/arm/sve.decode b/target/arm/sve.decode index b5bc7e9546..ea1bfe7579 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -622,6 +622,14 @@ 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 =20 +### 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=3D%sh8_i8s + ### SVE Memory - 32-bit Gather and Unsized Contiguous Group =20 # SVE load predicate register --=20 2.14.3