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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) 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: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::332 (failed) 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 --- 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 <<= 64 - shr; } else { v1 = (uint32_t)v1 >> shr; - v2 = (int32_t)v2 << (32 - shr); + v2 = (uint64_t)((int32_t)v2 << (32 - shr)); } return tcg_opt_gen_movi(ctx, op, op->args[0], v1 | v2); } -- 2.25.1