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[2.142.241.104]) by smtp.gmail.com with ESMTPSA id h2sm7600337wrz.23.2021.11.10.04.02.01 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Nov 2021 04:02:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=qHnAaC4KhlYFrHlyH1Juombpl61nGHWeKH8zTnb+vdM=; b=wWlgNz/s6g1OFPclG7kN9HSFlt0eL2kk46RwA2moiHp2bZysC3PpkoHiR0wY5yvqtY mnk0rQdrwl7PeyzJ+Sak3xQImv2toUe89QzTosxpVvLLYIK4VCTbnWE07epWfcuJ9/J8 Km8lh1CL8B5D71hEP8jquhWs+kXfT/VK4dbMITwK1kRhIJ47FEas5SOa1Oh9o5c2J6Hl 7/yKJUNHml+6VBJed0hzs3Jdw8XhGVT/Hjv+cDDPOv6anh1H6Ns4OHlWL/Z/zcSWiR18 eCseU9WqHkkQkEf0yNXeEO7UYlUeNxDTAcGmlxhdCTrSV8T1g5AqV4fBfE4jIdY6Y7cu NNIw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=qHnAaC4KhlYFrHlyH1Juombpl61nGHWeKH8zTnb+vdM=; b=Jz0wJjQjd7l72kUPvqsJlOZGauNv/R2qYF2c9dduxkaXtjiBq0IpaEM8kUVCBqyG+8 Mj+8Qj73z7RMeibaYcXkvCtfpdKVf05AOomUtmpPZ3UAyCQ67zMgGt+pXawlORfCGF9S cVq3szY0kIZarzE3By3rewG+eG93rA172jWh5OBzLhwxMov71V5MaZTIdg9v69A7zP5s khBKgF5Yx4J6OZ99bknbvSHRyOs7LR/r3jml3YIRaxRvNnzG6tgnFdXdjj1Y0sN4cMpd 5vtYUiC1fBt0iZePHvahZ0tPjWLP0nsj52DGfd27jEPg5UhsJnps5yac5C55VoUU5fLv PDqw== X-Gm-Message-State: AOAM532Sf3dSIuR44nqOtbN0J61wsgmIrtGPSAwphNOEHi0uMbgwQYYH CPPdU/nHxL2i7Q1VRJidMr7K3DrMwW8Ds0Pl X-Google-Smtp-Source: ABdhPJx6rLoHzR1nUUM5Wfz/WAGlfseelQyxvSOo/CQwdxRG+Aqt4VwMIh21BsHdNca/OyDMIJUJmg== X-Received: by 2002:a7b:cbc3:: with SMTP id n3mr15905030wmi.15.1636545722453; Wed, 10 Nov 2021 04:02:02 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH] tcg/optimize: Add an extra cast to fold_extract2 Date: Wed, 10 Nov 2021 13:01:56 +0100 Message-Id: <20211110120156.188537-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::332 (failed) 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=2a00:1450:4864:20::332; envelope-from=richard.henderson@linaro.org; helo=mail-wm1-x332.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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: pass (identity @linaro.org) X-ZM-MESSAGEID: 1636545861673100001 Content-Type: text/plain; charset="utf-8" There is no bug, but silence a warning about computation in int32_t being assigned to a uint64_t. Reported-by: Coverity CID 1465220 Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- tcg/optimize.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index dbb2d46e88..2397f2cf93 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1365,7 +1365,7 @@ static bool fold_extract2(OptContext *ctx, TCGOp *op) v2 <<=3D 64 - shr; } else { v1 =3D (uint32_t)v1 >> shr; - v2 =3D (int32_t)v2 << (32 - shr); + v2 =3D (uint64_t)((int32_t)v2 << (32 - shr)); } return tcg_opt_gen_movi(ctx, op, op->args[0], v1 | v2); } --=20 2.25.1