From patchwork Wed Jul 1 18:25:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aleksandar Markovic X-Patchwork-Id: 1320755 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=j/CFa3Kl; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49xqSm1pn1z9sPF for ; Thu, 2 Jul 2020 04:27:04 +1000 (AEST) Received: from localhost ([::1]:39108 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqhRm-0000YE-0j for incoming@patchwork.ozlabs.org; Wed, 01 Jul 2020 14:27:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44606) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqhR3-0000Wr-3a for qemu-devel@nongnu.org; Wed, 01 Jul 2020 14:26:17 -0400 Received: from mail-ej1-x642.google.com ([2a00:1450:4864:20::642]:42143) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jqhR1-000490-AE for qemu-devel@nongnu.org; Wed, 01 Jul 2020 14:26:16 -0400 Received: by mail-ej1-x642.google.com with SMTP id i14so25999705ejr.9 for ; Wed, 01 Jul 2020 11:26:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ISobItiQwPLLri4ehEyKGuNT8uzTfaAOep/M1MYjmXg=; b=j/CFa3KlSvCTuh449hcpT6j3inUW5r5fnLyqihtw/PiLbZs3o6IfZRGK3WrtGlXESp 6tF5XNKeGAhlKQomGXql1A/92MPWZlsSi9GvH3kLtwAcebbFtEkCeDd81/L3umGGeSIp zNByGfItyBOmc+ckgyNue3vCOqwB37KDXVx30YFfQzd43On4xrqf4gbAvyYt5tyf+Gwv JQf0J/wflj/JewqXvzzFzChoSmF9pdFepgO8F4ITMwem7vjptS0XDe5Wp7g3cgagg9EP Am79CYCH59cRNtvwgyapura1vePaVWYIqV+4HMQBKq6RbltFXa/n9yr6NbqsIsGdC+kC +jvQ== 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=ISobItiQwPLLri4ehEyKGuNT8uzTfaAOep/M1MYjmXg=; b=oEvbwsLABxpil2F8xPyXbAUfauU6pv87ccRiQQUr2rrDquEiKXnTfTxs+Be4wJIz3Y 0BLXcH11KBdttyQz0/jflNCBDWcGsYAuVGL6ynVNwJc9Dwe0Gc+jehVwROoLLnI4MJCX HduQr4FMY+Pd586T9EAsHa0cjlGWkyCWml622OUaLC5w+JhTMeCBM4Fh27V248bvdR02 bz04IU7oEbdoOmCRe/IWqNfvukrx+dSCmw9gFk31MyIIAjrnzJ92MbI0rwEvNNLN9znb Jl9y27CYySE9M6bZoNdKjYfAw+4SKnsZPdUgKpqCTHhzxDnujJM7Mp8HZRwrC30QKHy/ 9Iag== X-Gm-Message-State: AOAM5320GBfwMI5iEsvJZ0mO5u60f1xI/v0Tnlj5yuOhfYswZG/jgrLK uVLN7UP5hhzWew6NatCL9YmmXEdk X-Google-Smtp-Source: ABdhPJxDG723Py/Mwg+ufKuOW6t4eeIuQGfWeAHI5bxHcW11wjau55WXyoS142RGK43qpChrebPOhQ== X-Received: by 2002:a17:906:90b:: with SMTP id i11mr23670247ejd.343.1593627973802; Wed, 01 Jul 2020 11:26:13 -0700 (PDT) Received: from localhost.localdomain ([109.245.225.97]) by smtp.gmail.com with ESMTPSA id y22sm4809333ejf.108.2020.07.01.11.26.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Jul 2020 11:26:13 -0700 (PDT) From: Aleksandar Markovic To: qemu-devel@nongnu.org Subject: [PATCH v3 1/2] target/mips: Remove identical if/else branches Date: Wed, 1 Jul 2020 20:25:57 +0200 Message-Id: <20200701182559.28841-2-aleksandar.qemu.devel@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200701182559.28841-1-aleksandar.qemu.devel@gmail.com> References: <20200701182559.28841-1-aleksandar.qemu.devel@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::642; envelope-from=aleksandar.qemu.devel@gmail.com; helo=mail-ej1-x642.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: aleksandar.rikalo@syrmia.com, Aleksandar Markovic Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Remove the segment: if (other_tc == other->current_tc) { tccause = other->CP0_Cause; } else { tccause = other->CP0_Cause; } Original contributor can't remember what was his intention. Fixes: 5a25ce9487 ("mips: Hook in more reg accesses via mttr/mftr") Buglink: https://bugs.launchpad.net/qemu/+bug/1885718 Signed-off-by: Aleksandar Markovic --- target/mips/cp0_helper.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/target/mips/cp0_helper.c b/target/mips/cp0_helper.c index bbf12e4a97..de64add038 100644 --- a/target/mips/cp0_helper.c +++ b/target/mips/cp0_helper.c @@ -375,16 +375,9 @@ target_ulong helper_mftc0_entryhi(CPUMIPSState *env) target_ulong helper_mftc0_cause(CPUMIPSState *env) { int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); - int32_t tccause; CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc); - if (other_tc == other->current_tc) { - tccause = other->CP0_Cause; - } else { - tccause = other->CP0_Cause; - } - - return tccause; + return other->CP0_Cause; } target_ulong helper_mftc0_status(CPUMIPSState *env)