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[97.113.7.119]) by smtp.gmail.com with ESMTPSA id d2sm13446951pjs.21.2019.08.19.14.39.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Aug 2019 14:39:19 -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=7K6tczexVR/nH6QwvmxJgfglbEd8tmNPs5dg0F0AA4A=; b=hECd8RxjJLaEU94oUtD7Lw0+XlymgEaTX2Sr6OJmvKodg1gXIMOPiDVlImf8414ku/ AKQbNJ8kpKNoHSa5LQQADHaFOkVNl+mF0D7MrVBZHvZam46Is6T0BB89dB94oC74lNgr rDfToz2SYwdjhtC6b3d4RMOjZhFuzbZ+0RzeXY0wzutCFUr/eLhzq5XtJ5VWPX/J4TQq 8oO0tMBUFOupGlUxxGDqVVbIr6DADHjtg9dMq0os1psU9iwBfdZ5WYOGPkFA4mhDvB3I sTF1FZ+DO0KFH8IZWgKTXhCf6IXs4C6Omi6XFPpxw/jXkb1xlVkgfVItPIowKDGiouBJ M/mA== 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=7K6tczexVR/nH6QwvmxJgfglbEd8tmNPs5dg0F0AA4A=; b=PnbeoJwkZ5sNYojYniNd1BW/fcASUqNFucohb1+VSuTiVDMdUEw3CJBmXGIGXHhtOX v4n+wiW6JKRVjhwPZGS8WDqKSbdUdqNn19BZ3LYFt/u/fEcYkvQSI6Eg3wEJhYtmfzqu hHbv8BORVORffLzTnuNCjkipLJIx3++VnMFZUxCsFTo0mHmgJjWCswHkIN+6TviR1jR3 Y8ObBNXivn5/6lFi21fuul7Qmokeh0gB6rWAQ8EeqJ7U/oSTd86vsm2Kk/FC3ZK4dDAK HbVx2Hv/2Z8HSp8G9fWhPKxifGWB2/PBcspZXu7nZoptkse2er2q8IzdLkcrL7HuDY2f FKig== X-Gm-Message-State: APjAAAViUyxEi5m1Bsj4mtqqq88Ug5io+7rmQIonERAzA/y2nAhYgh12 cPK9Sfrj9KHwITYnuNnn3MGWxGcw2G8= X-Google-Smtp-Source: APXvYqwxOVMKcUFWdRT5d3fvMANzXSUJ1YAzxzI2fNR4ElldLaQuX4OwxglxdqKe9IE1GnWBcfUn5w== X-Received: by 2002:a17:902:834c:: with SMTP id z12mr10866725pln.8.1566250760089; Mon, 19 Aug 2019 14:39:20 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Mon, 19 Aug 2019 14:37:54 -0700 Message-Id: <20190819213755.26175-68-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190819213755.26175-1-richard.henderson@linaro.org> References: <20190819213755.26175-1-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::643 Subject: [Qemu-devel] [PATCH v2 67/68] target/arm: Clean up disas_thumb_insn 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 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" Now that everything is converted, remove the rest of the legacy decode. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/translate.c | 27 ++------------------------- 1 file changed, 2 insertions(+), 25 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index f8997a8424..bac38e6261 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10650,32 +10650,9 @@ static void disas_thumb2_insn(DisasContext *s, uin= t32_t insn) =20 static void disas_thumb_insn(DisasContext *s, uint32_t insn) { - if (disas_t16(s, insn)) { - return; + if (!disas_t16(s, insn)) { + unallocated_encoding(s); } - /* fall back to legacy decoder */ - - switch (insn >> 12) { - case 0: case 1: /* add/sub (3reg, 2reg imm), shift imm; in decodetree = */ - case 2: case 3: /* add, sub, cmp, mov (reg, imm), in decodetree */ - case 4: /* ldr lit, data proc (2reg), data proc ext, bx; in decodetree= */ - case 5: /* load/store register offset, in decodetree */ - case 6: /* load/store word immediate offset, in decodetree */ - case 7: /* load/store byte immediate offset, in decodetree */ - case 8: /* load/store halfword immediate offset, in decodetree */ - case 9: /* load/store from stack, in decodetree */ - case 10: /* add PC/SP (immediate), in decodetree */ - case 11: /* misc, in decodetree */ - case 12: /* load/store multiple, in decodetree */ - case 13: /* conditional branch or swi, in decodetree */ - case 14: - case 15: - /* branches, in decodetree */ - goto illegal_op; - } - return; -illegal_op: - unallocated_encoding(s); } =20 static bool insn_crosses_page(CPUARMState *env, DisasContext *s) --=20 2.17.1