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[97.126.117.207]) by smtp.gmail.com with ESMTPSA id o24sm104287919pfp.135.2019.07.26.10.51.37 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 26 Jul 2019 10:51:37 -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=4oQFd4eolp/sR05iPY07hrdPVedFpqTSb74q9tevE6Q=; b=sebaT5CasiTw2aM3248r1KuO5rtFcs1xBcJSCI0q1O9VXVe8TaJ5Jd4Xof3DPSkguy SdwPX+1iUc6OEXijV+TlXieOtSH9CiMnH1cGu8E6VElNAFU3DJEYnFwmcTj4gWP9mmUK /wPf2JdJDkvHEmeOaTfp+7hzDOgFzA/rI4rVIP6vSTsOnuaRjvABIpedUTv8GtfLknum oHRT/y2drBf5b/EDjQld8UII+U8bZ1Kbn/SQkkAPoe4cwsg5wFLzJpvvDBeONpw1ohv9 85Klm4DDg8PXU7dbUnp8pnDjroZ3PAPrhHCZY9+1N0/7tnJA7b4VtDlNkYd9c+OuztrL Acag== 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=4oQFd4eolp/sR05iPY07hrdPVedFpqTSb74q9tevE6Q=; b=DEs1nBHbmqVrESg3rs7bnP+O1Cyo757KEy+t7vVQPX/KFIO/25j4TvSt//NmnMjJ2B r9wPZH+uYwJGCqBoM+zN4GHoQEzSk6VhhT/tyG0M/bCLj7/6e9olFW+u2KvUDTik/6qo cuaTatRSBXJAmdFkz84o1URYOQlNWQkJuvL/MBHCdEAF7RYKynrir+veBLFqLxcSwVnz Xrk7YBQX4B9mVGgCjykw67cfgVDLuSXvB5w1qx76WwBEWkNpZMM58O/XMvlg36bVTgJi yOFDg6Beh4agwqIaVkCUlAaAI7MvAakWiYpVqYyQ8PzmyJf7PqVfvIW1TqPAPLAcsT0+ UpUQ== X-Gm-Message-State: APjAAAVMUbDH/56Sk5Ifcxd+DIKzv4yBpHq3v9fRlHjO8ypZ/96eQn53 +yuoD98xxkgIlvG1F1XfCiJTY09mRgI= X-Google-Smtp-Source: APXvYqxOzZpWyPNKSuBcQ16lQYpVyvhlX4GBRaXlcBtUC/QODCksPzzXlJgICUhsFOUPFUk30vFpbg== X-Received: by 2002:a17:90a:d996:: with SMTP id d22mr99375160pjv.86.1564163498255; Fri, 26 Jul 2019 10:51:38 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Fri, 26 Jul 2019 10:50:18 -0700 Message-Id: <20190726175032.6769-54-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::544 Subject: [Qemu-devel] [PATCH 53/67] target/arm: Convert T16 adjust sp (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 | 15 ++------------- target/arm/t16.decode | 9 +++++++++ 2 files changed, 11 insertions(+), 13 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index 23f5f982f5..8dd88419fe 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10648,19 +10648,8 @@ static void disas_thumb_insn(DisasContext *s, uint= 32_t insn) /* misc */ op =3D (insn >> 8) & 0xf; switch (op) { - case 0: - /* - * 0b1011_0000_xxxx_xxxx - * - ADD (SP plus immediate) - * - SUB (SP minus immediate) - */ - tmp =3D load_reg(s, 13); - val =3D (insn & 0x7f) * 4; - if (insn & (1 << 7)) - val =3D -(int32_t)val; - tcg_gen_addi_i32(tmp, tmp, val); - store_sp_checked(s, tmp); - break; + case 0: /* add/sub (sp, immediate), in decodetree */ + goto illegal_op; =20 case 2: /* sign/zero extend. */ ARCH(6); diff --git a/target/arm/t16.decode b/target/arm/t16.decode index 69d3894ba7..ddf12ada11 100644 --- a/target/arm/t16.decode +++ b/target/arm/t16.decode @@ -156,6 +156,15 @@ ADD_rrri 0100 0100 . .... ... @addsu= b_2h s=3D0 CMP_rrri 0100 0101 . .... ... @addsub_2h s=3D1 MOV_rrri 0100 0110 . .... ... @addsub_2h s=3D0 =20 +# Adjust SP (immediate) + +%imm7_0x4 0:7 !function=3Dtimes_4 +@addsub_sp_i .... .... . ....... \ + &s_rri_rot s=3D0 rd=3D13 rn=3D13 rot=3D0 imm=3D%imm7_0x4 + +ADD_rri 1011 0000 0 ....... @addsub_sp_i +SUB_rri 1011 0000 1 ....... @addsub_sp_i + # Branch and exchange =20 @branchr .... .... . rm:4 ... &r --=20 2.17.1