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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id 4sm8705796wro.78.2019.08.16.06.17.41 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Aug 2019 06:17:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=9JJ/qi1KooqArepu9cu8DTevmHirJk1gOv6Hyhc2xNE=; b=egHZSJvmVgHj99KtTQXsGVeci0ggETKR+qx/BUM/0Fxtd5lRgpn7p09nx8wjZb39r6 KtlJ64kIHshsGNph7PhjeIvBz/1OHNnnRsSuylJZ788H4aeKXjF9lUPDGGtB25/k+hmh IVQCjvYj3KAzbg5HydlRfTts4Ov2p4N3fTI8TahXLtio3X4MoioSW/PVDkR69WFG8ut2 oDA7Wa/0F/XZIbtq8p90BTP+ASucK8f1ydmFR+wdloPBzZDaz3JtOxRdzjvHE0Hilr+i 8hixCqGEzxs50MlYx+P+LO6fTts+OJFwbDbb3XXkm2nVCKWY7OK0TckHpFRFdQZaLhxx sZfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=9JJ/qi1KooqArepu9cu8DTevmHirJk1gOv6Hyhc2xNE=; b=YvSAYzvP753sP5ANMj3IqyOGs0ZJ3wV7txsUAdWXoj/bqRXEtxSh3nAbcqe2+oxezK fGkicLcYg9dPfNFMc8D8S6nIz0yYXK6OgspzpD1pwNX65Loa24dtvjv1/Nr4gvQDR/ZI xDFjFWa4bYF6OJhG0WRVTy+YWQHL+J3NViQ4YpcIdq/+BhK7llX2g7QuuKPSHLj/BTxl 5u2DeMdZ/iwVlfpZr/8mHNeQnq4y6VYviARZYKGbq4l+wJHK9fXMtQZgZ2ib/OHjuD9X JRiyMLYlGz+3667MQQt8sTp2bFd9JNJSQnZbX/3fBTVaqk+0NLjkKJqsWTrXvoAS14q7 yE4A== X-Gm-Message-State: APjAAAXbGXQaCA4VIygDxBlJJJfHaJB7la3XCPBX+PciaFT29PI9g4rm H0ge+qKXwVajJSbBM/wwNmz5VUGmG24mtA== X-Google-Smtp-Source: APXvYqzFhM9wH3guM+Em5pcHSe9S20Q0XA68LMWV3YhOhJZc2cor8OSGCxDVZPgH/C3le9b6HA61dg== X-Received: by 2002:a05:600c:d9:: with SMTP id u25mr7583365wmm.26.1565961462424; Fri, 16 Aug 2019 06:17:42 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Date: Fri, 16 Aug 2019 14:17:10 +0100 Message-Id: <20190816131719.28244-21-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190816131719.28244-1-peter.maydell@linaro.org> References: <20190816131719.28244-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::32f Subject: [Qemu-devel] [PULL 20/29] target/arm/cpu: Use div-round-up to determine predicate register array size 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: Andrew Jones Unless we're guaranteed to always increase ARM_MAX_VQ by a multiple of four, then we should use DIV_ROUND_UP to ensure we get an appropriate array size. Signed-off-by: Andrew Jones Reviewed-by: Richard Henderson Signed-off-by: Peter Maydell --- target/arm/cpu.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index d12c7460859..ab5d58a9d41 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -195,7 +195,7 @@ typedef struct ARMVectorReg { #ifdef TARGET_AARCH64 /* In AArch32 mode, predicate registers do not exist at all. */ typedef struct ARMPredicateReg { - uint64_t p[2 * ARM_MAX_VQ / 8] QEMU_ALIGNED(16); + uint64_t p[DIV_ROUND_UP(2 * ARM_MAX_VQ, 8)] QEMU_ALIGNED(16); } ARMPredicateReg; =20 /* In AArch32 mode, PAC keys do not exist at all. */ --=20 2.20.1