From nobody Wed Dec 17 06:10:13 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1559844273; cv=none; d=zoho.com; s=zohoarc; b=oQ3EyEK0CBDoKhoa8u/rlEXfUd8wzxq7CbB/Xs0loZLpEuQWBsUVqcWSf4I+zy/ADL5MeSxfQaJiWt5dIh006VEuHirihuKnYmU4oexPdKA5nfdQJSQm7I8zDNHr3qSkcN7WRGsH2FryxNEsNDpaYfgQUNPM2M0oERaZTQvdpbU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1559844273; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=nNQjd9/+a2DdLghORqFl+Muzj1ZfiiJpWnJhjxjLPOE=; b=US2GP7z3IgF3QwubSdNkPUERluedf3Uj4623EX1davDG+iXxMwGm/pBm3h3CDMr2C6XyKTtXLxHKHGG2ildMVOxYLx8+aX2ArMtWGMhW1BIZYFP/UdbxeaVrRHKZ87/oFMRooWtHaDCT+j7FmR53/Hfxap2LgGtfR/ZIB97aHkA= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1559844273138528.6154362603055; Thu, 6 Jun 2019 11:04:33 -0700 (PDT) Received: from localhost ([127.0.0.1]:36159 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hYwkX-0004QT-Sh for importer@patchew.org; Thu, 06 Jun 2019 14:04:29 -0400 Received: from eggs.gnu.org ([209.51.188.92]:45021) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hYwUB-0004a7-8G for qemu-devel@nongnu.org; Thu, 06 Jun 2019 13:47:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hYwU7-0004Ca-GD for qemu-devel@nongnu.org; Thu, 06 Jun 2019 13:47:35 -0400 Received: from mail-wm1-x343.google.com ([2a00:1450:4864:20::343]:51559) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hYwU7-00038g-7L for qemu-devel@nongnu.org; Thu, 06 Jun 2019 13:47:31 -0400 Received: by mail-wm1-x343.google.com with SMTP id f10so812923wmb.1 for ; Thu, 06 Jun 2019 10:46:39 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id z135sm2596784wmc.45.2019.06.06.10.46.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Jun 2019 10:46:38 -0700 (PDT) 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 :mime-version:content-transfer-encoding; bh=nNQjd9/+a2DdLghORqFl+Muzj1ZfiiJpWnJhjxjLPOE=; b=AeivwsWv6H3IMBY0RADPYPO1lUXNcmCV50EZlViQj9rpGM/zN5493L4aRJAyIaNeOQ Yk2k7qHXCL3EBHhm+2MP/CTSx7N04cQHVYJCjw2vdVFdrm0cV8X27GlCoR4O/enGbfW6 dceQC6n7721RoOitNI4VdXQsDYDs6kRXhinqLrGbGet3rek38chCJDlvg5GYjX8lUIhy zTRwZdi0U/vFTEdxajMNQ4xN9YfNnEGwTbWt0hJ0sP0cXhfiu4rhlbXam1ZjOW3yjLcB xO9N6UZdylICDPYeRQaUyT8sLJZCIlyF0BmRanSelP3XkXEk/8eI6NyQlxrsSagEdeH/ u0UA== 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:mime-version:content-transfer-encoding; bh=nNQjd9/+a2DdLghORqFl+Muzj1ZfiiJpWnJhjxjLPOE=; b=BVIgIu2q2bBC3tMY8BXbQMCZ4pxppaxeQ/wL+cS0R3qPHkrAAkLoy55yfxvweVfX3/ 5SZl56v1NQWDUp3kYo/icBW6p9U9Sw2v9G1+QnJcs6kI4pnnQ0teHzOWp4YoVFk1eg9S qNmQ3wRbInSLytH8zb6Nypg12PHgDBZ4MFEUASrguCJdArWbe0piCycv3y5qZhJTm2OO aZx8/b6xuPXe+OhhKzwfPnTW0GRqhmqvAHgC9fPcCz8ZWMCT7OckfYgx70LUDfdU+V8S kuLxzvSSimCepuZZrje45yIGWeQwtk5zFV87B2LojT4T8eritN0FIjgnklYNhFDHpn1y uoMA== X-Gm-Message-State: APjAAAVygJSq2JkPPwTiU8293GDnGv6EHsQ+BOpl4+XFlK7E5zSyKEdi GPCfox83CgkNRrZ/hM17UScTHg== X-Google-Smtp-Source: APXvYqwpeQ8mciG9lO53pZDwVTwx/zorKDR6VJFwTyaeMhrANtqz7/G13SAurpGczM2SGLhUJBpAwA== X-Received: by 2002:a1c:305:: with SMTP id 5mr824561wmd.101.1559843198881; Thu, 06 Jun 2019 10:46:38 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Date: Thu, 6 Jun 2019 18:45:52 +0100 Message-Id: <20190606174609.20487-26-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190606174609.20487-1-peter.maydell@linaro.org> References: <20190606174609.20487-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::343 Subject: [Qemu-devel] [PATCH 25/42] target/arm: Convert VSUB to decodetree 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: Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Convert the VSUB instruction to decodetree. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- target/arm/translate-vfp.inc.c | 10 ++++++++++ target/arm/translate.c | 6 +----- target/arm/vfp.decode | 5 +++++ 3 files changed, 16 insertions(+), 5 deletions(-) diff --git a/target/arm/translate-vfp.inc.c b/target/arm/translate-vfp.inc.c index 14aeb25f597..12da3b8acb8 100644 --- a/target/arm/translate-vfp.inc.c +++ b/target/arm/translate-vfp.inc.c @@ -1461,3 +1461,13 @@ static bool trans_VADD_dp(DisasContext *s, arg_VADD_= sp *a) { return do_vfp_3op_dp(s, gen_helper_vfp_addd, a->vd, a->vn, a->vm, fals= e); } + +static bool trans_VSUB_sp(DisasContext *s, arg_VSUB_sp *a) +{ + return do_vfp_3op_sp(s, gen_helper_vfp_subs, a->vd, a->vn, a->vm, fals= e); +} + +static bool trans_VSUB_dp(DisasContext *s, arg_VSUB_sp *a) +{ + return do_vfp_3op_dp(s, gen_helper_vfp_subd, a->vd, a->vn, a->vm, fals= e); +} diff --git a/target/arm/translate.c b/target/arm/translate.c index 7fa255f6598..433f1cbf2c7 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -1386,7 +1386,6 @@ static inline void gen_vfp_##name(int dp) = \ tcg_temp_free_ptr(fpst); \ } =20 -VFP_OP2(sub) VFP_OP2(div) =20 #undef VFP_OP2 @@ -3110,7 +3109,7 @@ static int disas_vfp_insn(DisasContext *s, uint32_t i= nsn) rn =3D VFP_SREG_N(insn); =20 switch (op) { - case 0 ... 6: + case 0 ... 7: /* Already handled by decodetree */ return 1; default: @@ -3296,9 +3295,6 @@ static int disas_vfp_insn(DisasContext *s, uint32_t i= nsn) for (;;) { /* Perform the calculation. */ switch (op) { - case 7: /* sub: fn - fm */ - gen_vfp_sub(dp); - break; case 8: /* div: fn / fm */ gen_vfp_div(dp); break; diff --git a/target/arm/vfp.decode b/target/arm/vfp.decode index d911f12dfd0..de56f44efc9 100644 --- a/target/arm/vfp.decode +++ b/target/arm/vfp.decode @@ -132,3 +132,8 @@ VADD_sp ---- 1110 0.11 .... .... 1010 .0.0 .... \ vm=3D%vm_sp vn=3D%vn_sp vd=3D%vd_sp VADD_dp ---- 1110 0.11 .... .... 1011 .0.0 .... \ vm=3D%vm_dp vn=3D%vn_dp vd=3D%vd_dp + +VSUB_sp ---- 1110 0.11 .... .... 1010 .1.0 .... \ + vm=3D%vm_sp vn=3D%vn_sp vd=3D%vd_sp +VSUB_dp ---- 1110 0.11 .... .... 1011 .1.0 .... \ + vm=3D%vm_dp vn=3D%vn_dp vd=3D%vd_dp --=20 2.20.1