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[173.197.107.21]) by smtp.gmail.com with ESMTPSA id n195sm350395pfd.169.2021.01.11.11.01.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Jan 2021 11:01:36 -0800 (PST) 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 :mime-version:content-transfer-encoding; bh=jFhFnE5ZXuq9dWAVT2u9B69HDlRNyiFEVFvSvAG4Tcg=; b=lIpNzQmuxaYXUBXXW6RpE/j7sfGjRVTAZvHZdHCC7EnXk19y2ck/Y/R+9p6XugvIcg 8yOVrjjCNXdfOLTZjk0yE5XXajZ1S3T9spTPEcnvLuqxdsplrtjtci461SB67bBvbmFT TwehNfNHaSA1jyQSy7YxTMZEoLwOi/CMWS8wzCP/CBU51NZ9aRfwhSDpEveLzCTK2x1p cWxaFmco8IQLIX5lvLxG/Qwn/iW1KxUdbJ1vkv8w4RXoVVbVM6jWyumvNWsOGSXAXCit /3+nDqABSGvN0VO7SPFnVDRVfrv/uyc/VIC1d9GYQd0ZBUlgOeYCjKmX3z0yAyyfiyPr snug== 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=jFhFnE5ZXuq9dWAVT2u9B69HDlRNyiFEVFvSvAG4Tcg=; b=XQmEMd6l1VqMxMLws2zayptKYMrVpcx8eEyM2ibW7RZfko7fQFg1ob5IaVz1GoUovk 1KFIr5/EHFDmwePS3X2v/I3LTMB887R70rFfC4m1eE3U0rT4cOUy5bQFEy8uPDff3vTt 3qlI+hTQgSVTdYkwX4z5vtg4Ba7RM6VzZsm5wZFqK3V+nNYgg2O8S3xjP3kctCY9JfOn lt2qGhgflpKk+nrU/maADRJj/I5/853QP4jHM7LXG8MURaI2N9p/6c047BIc6srC6OQ5 5T7/waNtb6kcWpUjJHmjk3M2EtC3KUPEk20nhKCR0jwYcknngaA3AaRuhjrmqjUUAioC wZOg== X-Gm-Message-State: AOAM531kjpOmgoMgvJ5vXEw73xA4sEe5bA/PCi2jjaWDXWyKqI2phwHE oZMJjU2A7FLTPowvT8qXdDxANliuRdtucQ== X-Google-Smtp-Source: ABdhPJyr1BhEZz6uJFQ5aKp2OdGltURHhLFte3ysz1oUB8c+V1E0Ry/uZOftGkxdQCL4Fz3doH3MNg== X-Received: by 2002:a17:90a:8c87:: with SMTP id b7mr313582pjo.158.1610391697398; Mon, 11 Jan 2021 11:01:37 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 12/30] target/arm: Fix SCTLR_B test for TCGv_i64 load/store Date: Mon, 11 Jan 2021 09:00:55 -1000 Message-Id: <20210111190113.303726-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210111190113.303726-1-richard.henderson@linaro.org> References: <20210111190113.303726-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::102f; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102f.google.com 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no 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: 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-Type: text/plain; charset="utf-8" Just because operating on a TCGv_i64 temporary does not mean that we're performing a 64-bit operation. Restrict the frobbing to actual 64-bit operations. This bug is not currently visible because all current users of these two functions always pass MO_64. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/translate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index efcb393b99..bf1c0f7279 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -982,7 +982,7 @@ static void gen_aa32_ld_i64(DisasContext *s, TCGv_i64 v= al, TCGv_i32 a32, tcg_gen_qemu_ld_i64(val, addr, index, opc); =20 /* Not needed for user-mode BE32, where we use MO_BE instead. */ - if (!IS_USER_ONLY && s->sctlr_b) { + if (!IS_USER_ONLY && s->sctlr_b && (opc & MO_SIZE) =3D=3D MO_64) { tcg_gen_rotri_i64(val, val, 32); } =20 @@ -1001,7 +1001,7 @@ static void gen_aa32_st_i64(DisasContext *s, TCGv_i64= val, TCGv_i32 a32, TCGv addr =3D gen_aa32_addr(s, a32, opc); =20 /* Not needed for user-mode BE32, where we use MO_BE instead. */ - if (!IS_USER_ONLY && s->sctlr_b) { + if (!IS_USER_ONLY && s->sctlr_b && (opc & MO_SIZE) =3D=3D MO_64) { TCGv_i64 tmp =3D tcg_temp_new_i64(); tcg_gen_rotri_i64(tmp, val, 32); tcg_gen_qemu_st_i64(tmp, addr, index, opc); --=20 2.25.1