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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id e17sm10785945wrt.95.2019.06.11.03.54.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 11 Jun 2019 03:54:20 -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=u6koW8F7IGLYBhWLi4hkXE4YWzeq3RGbqG4uQxIjef0=; b=uiBUIWX9CE3A3gtpLKCkEj9wi8N3WsoIRjqX3OR6DQkwLD2pccKsXeZyFJk/pggek+ HHSwL/z4L298J0hopFiI8buAInr3v6u+M9ZTNz0QJAmkPpkYs8JeA4GPd+3CVL7mJWR0 58R9RgL7lMn2ctppdc4l9d6IV4nQgzKJf0IlNBlLyvon/s0pIlflTizUn1eSwcOl7IzQ +qun+a5xs9MiwtgCQOr1dYE9sYtzs8YSFSCXRapfnouxixgE9OsAQ6QTnGFRNQ4gBeCm J9iu8QoVJOGCycuhS/QRQEqc2h+MxtZG7nhPJ8y4KKAFNXa+VVqjegzTh3MEKZYuUsrG VmxA== 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=u6koW8F7IGLYBhWLi4hkXE4YWzeq3RGbqG4uQxIjef0=; b=SV9Kou2hkJxHlWtbxL0zPRmckC62bYdWfEkmqy/4P4mG6oRmxLAzzvIO/0vUQMVt56 i4E78Doi2V2mKeulyKAn7l3z/11sFhNb9/doHHQgILhcVSERi6A809MCLQC/RAxDLEK6 VNghbEuhVGfbt0MLL+QLp72L52hpC9TsIMjGwa8dQy8aaz14PUTg0t9195WwONzox7qt 0noAlw8d7jmqHeLptWu1RE7NXIjuWyU8mpO1vZ9/w907lz5b8jkePfQh6U98fRrzCnVO nnjxyXoBSKblFcb4GbgWHOuwmRp+HGpidY7yj2Lr0XEaYjEuNQx/eIMVcqE9NCwtr3Rc Jt9g== X-Gm-Message-State: APjAAAW8r/94MC7Vz4owkR0H+HUcGAAhFvrmXGzIcP+ka0resPckl9ew I3PmRtP0iGH1JOymSfstdMoJlQ== X-Google-Smtp-Source: APXvYqxyLMCSJ7kGXSvRs5HaYh6Dum5ZGFptgm3zAawvOLBUicBOBH/CIyEVIbvnCdjEBa7+eOyueg== X-Received: by 2002:adf:8307:: with SMTP id 7mr32563552wrd.86.1560250460995; Tue, 11 Jun 2019 03:54:20 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Date: Tue, 11 Jun 2019 11:53:34 +0100 Message-Id: <20190611105351.9871-26-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190611105351.9871-1-peter.maydell@linaro.org> References: <20190611105351.9871-1-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::444 Subject: [Qemu-devel] [PATCH v2 25/42] target/arm: Convert VSUB 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: , 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 cd1f24798b1..18d4f9933ad 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