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[97.126.117.207]) by smtp.gmail.com with ESMTPSA id o24sm104287919pfp.135.2019.07.26.10.51.33 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 26 Jul 2019 10:51:34 -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; bh=8uDpXmk2fu+tSj6HfWWHlssj2XKXCMWZi0tyb4tGXOc=; b=atpvhmyDtUy1RYtrvBv8oBntVn6bXSSR/tqasJqEeDKCXAJtNA4QXtSDtVERLdpQic HlIgcmBOi3sFqG2kOMXxGD5lX0bd8ZOGOnYO38RRda5KT3rv/wxfKu0a139NyIYhb9NZ WNUPWW/H7XT2HRnJ3zv9oqSj1+eJVT9Z4byUzp6fomtXJWWG10wPgEq0OCugjjjUffgE uT460ehbKiJPf33AqhO4dpUVDx6v5MEkQmRCk9yWq33tbPJL45WvYCAalHYbgC0LCOZq qJ7XtBiG3epLuMHsX9v/1S5GDzLiUxSKViQqLaMwrdUgBP4YUOe01a5XTYzt+/e6goCJ ZQGA== 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=8uDpXmk2fu+tSj6HfWWHlssj2XKXCMWZi0tyb4tGXOc=; b=kO1bJ+qTIUrL5Icg7/GRABBneNyzJBxG91PptXKS3f8SYdW5PDs1PQNnn3C1GbXpXu B0hDc8tfi4ph7QYCnj/A1Pm0w/wiaepsoeSK7h+9TT+4fZjrrEeAZ31iz8A5c7ximHh3 /2HUS/0V9bcFyV9aMQEHZEeaosqzMq/eN3HAx0sU9jxKsE7RgWaD5kwsLeq+2vVepyii w/wxNn+48tQw0W5mRc5oa7pXIrzJdDecEnlV+rYkXGwxVHjCGOKAGmiLqRE6aW6oPXGR NoMFqlp4ogYExaB+yUeRm/V/L8Y2/U5qlqEQhQ6Idg+Rja9FHEtbjxNGUI6WLfMLiUh7 5vwA== X-Gm-Message-State: APjAAAXap3dazlRX5wxloCq6/O+ieFBznz2I2wYI19U+BohnHNwkSf6I Qne0mHglUpn3SlhMjmYI6pdVedmsuCw= X-Google-Smtp-Source: APXvYqxS5X6bOUz7Pj1WvHsVSILAQhsLX9Xe+SlELQBuv29a4cwHVw3pYoNgFWAMfqLNWq/kGoY2LA== X-Received: by 2002:a17:902:d70a:: with SMTP id w10mr92328491ply.251.1564163495029; Fri, 26 Jul 2019 10:51:35 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Fri, 26 Jul 2019 10:50:15 -0700 Message-Id: <20190726175032.6769-51-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190726175032.6769-1-richard.henderson@linaro.org> References: <20190726175032.6769-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::644 Subject: [Qemu-devel] [PATCH 50/67] target/arm: Convert T16 one low register and immediate 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: peter.maydell@linaro.org, qemu-arm@nongnu.org, alex.bennee@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- target/arm/translate.c | 44 ++---------------------------------------- target/arm/t16.decode | 11 +++++++++++ 2 files changed, 13 insertions(+), 42 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index 692891dbe0..9bdcb91537 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10594,48 +10594,8 @@ static void disas_thumb_insn(DisasContext *s, uint= 32_t insn) store_reg(s, rd, tmp); } break; - case 2: case 3: - /* - * 0b001x_xxxx_xxxx_xxxx - * - Add, subtract, compare, move (one low register and immediate) - */ - op =3D (insn >> 11) & 3; - rd =3D (insn >> 8) & 0x7; - if (op =3D=3D 0) { /* mov */ - tmp =3D tcg_temp_new_i32(); - tcg_gen_movi_i32(tmp, insn & 0xff); - if (!s->condexec_mask) - gen_logic_CC(tmp); - store_reg(s, rd, tmp); - } else { - tmp =3D load_reg(s, rd); - tmp2 =3D tcg_temp_new_i32(); - tcg_gen_movi_i32(tmp2, insn & 0xff); - switch (op) { - case 1: /* cmp */ - gen_sub_CC(tmp, tmp, tmp2); - tcg_temp_free_i32(tmp); - tcg_temp_free_i32(tmp2); - break; - case 2: /* add */ - if (s->condexec_mask) - tcg_gen_add_i32(tmp, tmp, tmp2); - else - gen_add_CC(tmp, tmp, tmp2); - tcg_temp_free_i32(tmp2); - store_reg(s, rd, tmp); - break; - case 3: /* sub */ - if (s->condexec_mask) - tcg_gen_sub_i32(tmp, tmp, tmp2); - else - gen_sub_CC(tmp, tmp, tmp2); - tcg_temp_free_i32(tmp2); - store_reg(s, rd, tmp); - break; - } - } - break; + case 2: case 3: /* add, sub, cmp, mov (reg, imm), in decodetree */ + goto illegal_op; case 4: if (insn & (1 << 11)) { rd =3D (insn >> 8) & 7; diff --git a/target/arm/t16.decode b/target/arm/t16.decode index 965fb1bf6e..edb67a3896 100644 --- a/target/arm/t16.decode +++ b/target/arm/t16.decode @@ -133,3 +133,14 @@ SUB_rrri 0001101 ... ... ... @addsu= b_3 =20 ADD_rri 0001 110 ... ... ... @addsub_2i SUB_rri 0001 111 ... ... ... @addsub_2i + +# Add, subtract, compare, move (one low register and immediate) + +%reg_8 8:3 +@arith_1i ..... rd:3 imm:8 \ + &s_rri_rot rot=3D0 rn=3D%reg_8 + +MOV_rri 00100 ... ........ @arith_1i %s +CMP_rri 00101 ... ........ @arith_1i s=3D1 +ADD_rri 00110 ... ........ @arith_1i %s +SUB_rri 00111 ... ........ @arith_1i %s --=20 2.17.1