From nobody Wed Apr 16 04:32:52 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=1560431284; cv=none; d=zoho.com; s=zohoarc; b=oCJOiH4uuSRddrKhhfXFgh7I7OClHgqPg8PPBfIfs8IlMa8iBVTka4dSp23kdSzlTNBFVnLaiDRO//Qs+rB7H3KX46MR5d+CoZ3jgDqpILw0iDRSqAlmpbkJSwyM2S354ySxdjzgPsN30Q9sOHlmX4uXmMie/7NUkbz9SvW05Uc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1560431284; h=Content-Transfer-Encoding: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=pAYGcuXLW+jNCf7bXM4RKr51ic5n9fmJq+PJHu/PS/w=; b=UQ2mHyl6QXVtScqFq6pLyYwaLH48dlaNcLnRK0lapY1CNRa9MbcBuABZ1yPteZXGWkLNZpASS1KOcJkBV9fB5A9n1Xj4NMTmx32HgqVJewX15FSfbjVPqkvPpt37393Ipg3raBGHTXt9fH4ikLd5p3fBLDRfdJJvS4+1Vd0zn6I= 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 1560431284221401.6539098752013; Thu, 13 Jun 2019 06:08:04 -0700 (PDT) Received: from localhost ([::1]:39590 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hbPSP-00030r-Uo for importer@patchew.org; Thu, 13 Jun 2019 09:07:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59364) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hbOdZ-0008Gm-Sm for qemu-devel@nongnu.org; Thu, 13 Jun 2019 08:15:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hbOdU-0004ac-M8 for qemu-devel@nongnu.org; Thu, 13 Jun 2019 08:15:25 -0400 Received: from mail-wr1-x42b.google.com ([2a00:1450:4864:20::42b]:45254) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hbOdU-0004LS-4d for qemu-devel@nongnu.org; Thu, 13 Jun 2019 08:15:20 -0400 Received: by mail-wr1-x42b.google.com with SMTP id f9so20488128wre.12 for ; Thu, 13 Jun 2019 05:15:08 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id y6sm2010576wrp.12.2019.06.13.05.15.06 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 13 Jun 2019 05:15:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=pAYGcuXLW+jNCf7bXM4RKr51ic5n9fmJq+PJHu/PS/w=; b=B4ZehyvKgPIt39ZnVifSsXVpQvA2aqEJVKpgnIh4H8ocTWZf8H/Uk9U7fav70veePn cN5uf/1t6dyO6Zoe0cMGxk1qeD5EH3+O3Kko1hRIs9prqwZSOZmsNUfs8hIv7xMwUdcn ldpL72XMguYKWaE4UTZaanBOnmnLHqyM4JmsDAMWZTmhPo3jWL6gQxbzKviteagqxd/v K7o60idFipD+ELWdxp6HDuMw5zjypdJyP0lxC7VP66iNIwIGkajCsyOIl14Qy6lYOPT6 SAFfxVQPCTSgnZmF6NQ8Fb0EyUfbsuw3CZStKF/qnHArrSfQDvWNviIphhcPAVOYezw6 QQUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=pAYGcuXLW+jNCf7bXM4RKr51ic5n9fmJq+PJHu/PS/w=; b=NuZRNGuVV29UoeMDoMxnNI7vi/D4umTc1hvfbUexQwgOkO3Kr8T87TzOqGNQHspWsb S8MyRf6C3Vpel38ZWPMY7+sxDZKUqTZax8BG/TbHaTNFDhL2H8Hju0KIK81QmdC0uT3D o0WY8QNKyNimpWe1APKhbhYVQuli/jq3YwojQydROMM7CnEdo7+sisIRZ1rSmq2YfW3t r/FCBvTJ6vhk9i4rYvlEzYDeFD1enOUfscYlF7cTc4IkHDNKuiYgHvhHMg3dF+f470bA ncxVgiTn7LnplT+7bFvq3YUTQQ1Nu08T0psBbZPIRQQWkt/LLwYR/kPtyTI0UBj09ESV km1g== X-Gm-Message-State: APjAAAWtWmHC1+w7eKxuVLhrjRGhNoMBUvPj1sWknqim+ZyeqqaeTeXZ JXuRtUoNRYztEFEdOYhj77wi8AA6Ed/zjw== X-Google-Smtp-Source: APXvYqx9M2FcBmuZ9loDR+rjxlOK5cPF18Au5Q8VRG8KQBQmha7BV5xpFS7Ch3L7oFWmkAB7LU6CnA== X-Received: by 2002:a5d:5089:: with SMTP id a9mr2461264wrt.290.1560428107222; Thu, 13 Jun 2019 05:15:07 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Date: Thu, 13 Jun 2019 13:14:14 +0100 Message-Id: <20190613121433.5246-30-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190613121433.5246-1-peter.maydell@linaro.org> References: <20190613121433.5246-1-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::42b Subject: [Qemu-devel] [PULL 29/48] target/arm: Convert VNMUL to decodetree X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 VNMUL instruction to decodetree. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- target/arm/translate-vfp.inc.c | 24 ++++++++++++++++++++++++ target/arm/translate.c | 7 +------ target/arm/vfp.decode | 5 +++++ 3 files changed, 30 insertions(+), 6 deletions(-) diff --git a/target/arm/translate-vfp.inc.c b/target/arm/translate-vfp.inc.c index a2afe82b349..4c684f033b6 100644 --- a/target/arm/translate-vfp.inc.c +++ b/target/arm/translate-vfp.inc.c @@ -1427,3 +1427,27 @@ static bool trans_VMUL_dp(DisasContext *s, arg_VMUL_= sp *a) { return do_vfp_3op_dp(s, gen_helper_vfp_muld, a->vd, a->vn, a->vm, fals= e); } + +static void gen_VNMUL_sp(TCGv_i32 vd, TCGv_i32 vn, TCGv_i32 vm, TCGv_ptr f= pst) +{ + /* VNMUL: -(fn * fm) */ + gen_helper_vfp_muls(vd, vn, vm, fpst); + gen_helper_vfp_negs(vd, vd); +} + +static bool trans_VNMUL_sp(DisasContext *s, arg_VNMUL_sp *a) +{ + return do_vfp_3op_sp(s, gen_VNMUL_sp, a->vd, a->vn, a->vm, false); +} + +static void gen_VNMUL_dp(TCGv_i64 vd, TCGv_i64 vn, TCGv_i64 vm, TCGv_ptr f= pst) +{ + /* VNMUL: -(fn * fm) */ + gen_helper_vfp_muld(vd, vn, vm, fpst); + gen_helper_vfp_negd(vd, vd); +} + +static bool trans_VNMUL_dp(DisasContext *s, arg_VNMUL_sp *a) +{ + return do_vfp_3op_dp(s, gen_VNMUL_dp, a->vd, a->vn, a->vm, false); +} diff --git a/target/arm/translate.c b/target/arm/translate.c index 34be68fb8cb..cf03672db8c 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -1388,7 +1388,6 @@ static inline void gen_vfp_##name(int dp) = \ =20 VFP_OP2(add) VFP_OP2(sub) -VFP_OP2(mul) VFP_OP2(div) =20 #undef VFP_OP2 @@ -3112,7 +3111,7 @@ static int disas_vfp_insn(DisasContext *s, uint32_t i= nsn) rn =3D VFP_SREG_N(insn); =20 switch (op) { - case 0 ... 4: + case 0 ... 5: /* Already handled by decodetree */ return 1; default: @@ -3298,10 +3297,6 @@ static int disas_vfp_insn(DisasContext *s, uint32_t = insn) for (;;) { /* Perform the calculation. */ switch (op) { - case 5: /* nmul: -(fn * fm) */ - gen_vfp_mul(dp); - gen_vfp_neg(dp); - break; case 6: /* add: fn + fm */ gen_vfp_add(dp); break; diff --git a/target/arm/vfp.decode b/target/arm/vfp.decode index d7fcb9709a9..3063fcac23f 100644 --- a/target/arm/vfp.decode +++ b/target/arm/vfp.decode @@ -122,3 +122,8 @@ VMUL_sp ---- 1110 0.10 .... .... 1010 .0.0 .... \ vm=3D%vm_sp vn=3D%vn_sp vd=3D%vd_sp VMUL_dp ---- 1110 0.10 .... .... 1011 .0.0 .... \ vm=3D%vm_dp vn=3D%vn_dp vd=3D%vd_dp + +VNMUL_sp ---- 1110 0.10 .... .... 1010 .1.0 .... \ + vm=3D%vm_sp vn=3D%vn_sp vd=3D%vd_sp +VNMUL_dp ---- 1110 0.10 .... .... 1011 .1.0 .... \ + vm=3D%vm_dp vn=3D%vn_dp vd=3D%vd_dp --=20 2.20.1