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[97.113.7.119]) by smtp.gmail.com with ESMTPSA id k22sm21690743pfk.157.2019.08.20.14.07.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Aug 2019 14:07:40 -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=bdJW10ZyVTM5Zc/CPE9B8BqW0sLbaJccOlvi6TIDC8k=; b=rnC4h8aEmYQxndmLKvZxqqh0jLXDwHQja/q6YbWGpszBe2d/evuhQa6WFKat0TVKi8 X4xpnm72b3eCdNe8zQa+RQAttemLmDjJqvXcXIZJ9V/ZKeL6nhugFiE7vbMJQIOX3xYu KA+hAvXSnwJe3fq1pB0g9zfiN2NDYZpkh/l6DJ3WGYUJIuaxkvmauPH9i3FjPC7OgMBG cQbvHqzoURlLu0u9O6Mki/w9+I+cku5dztq8i6q45zRxRubqhNrsnYRWMEJ/IOSC3GxQ Y02lIokDSN4CzP6SQypX0WlpwxpB54pTHWSRTHU+1cKmVxn1tTAWXq1WhLooAFN6VB/i T9CQ== 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=bdJW10ZyVTM5Zc/CPE9B8BqW0sLbaJccOlvi6TIDC8k=; b=qEOBmmNuJqLlWiprpZpeXbgVZkPHZnh1u341Vw54sI/UZKtVmZN4Utd7udCZi3Fs5Z c4bpB/0gATlDJASsxxhnrU3Kx+5OHcLMPnrkYwRcd+0ngYNzbj+uZEi3Whj7JXIcsIl7 4IWLB/YUgmtxsOe7sb0l2EB+ENUrBjuJizgRKAAa6bD7Van32FhR++L7wcuUVO09N53X uohZullvmLYkZWoNukecJve0YH/Qe6A9nRNrhRkxRZ9yV2b9sZ5QA8LmnxUrYGvxeJEm 0elekE3bEeJ10eH0w8732n7AhIEvlkXZ9t/9rO3kGQiGlRIM4kAlTSIPaImTh6HWCaQx NHsg== X-Gm-Message-State: APjAAAXdOb96HDt7Ro1JKqI0bWx+Ijo6Daku25oU8rxPJOgBLKCrjTDe 742EITON1mGNIa/uliSH2UwlBLfG90w= X-Google-Smtp-Source: APXvYqyLtz5cj4Y6XzB4WvMBnzpR7lKG/++MLuNOTPj/hTK8PvP4NSNWmv/rMCW7udmv1kG/LSvbQw== X-Received: by 2002:a17:902:b905:: with SMTP id bf5mr28175471plb.342.1566335261331; Tue, 20 Aug 2019 14:07:41 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 20 Aug 2019 14:07:17 -0700 Message-Id: <20190820210720.18976-15-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190820210720.18976-1-richard.henderson@linaro.org> References: <20190820210720.18976-1-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::641 Subject: [Qemu-devel] [PATCH v5 14/17] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state 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" By performing this store early, we avoid having to save and restore the register holding the address around any function calls. Signed-off-by: Richard Henderson --- target/arm/helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index 19bdb9b9d6..7a94495788 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -11187,6 +11187,7 @@ void cpu_get_tb_cpu_state(CPUARMState *env, target_= ulong *pc, { uint32_t flags, pstate_for_ss; =20 + *cs_base =3D 0; flags =3D rebuild_hflags_internal(env); =20 if (is_a64(env)) { @@ -11260,7 +11261,6 @@ void cpu_get_tb_cpu_state(CPUARMState *env, target_= ulong *pc, } =20 *pflags =3D flags; - *cs_base =3D 0; } =20 #ifdef TARGET_AARCH64 --=20 2.17.1