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[88.29.176.153]) by smtp.gmail.com with ESMTPSA id g2-20020a5d5402000000b002da75c5e143sm13803219wrv.29.2023.04.25.12.41.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Apr 2023 12:41:16 -0700 (PDT) Message-ID: Date: Tue, 25 Apr 2023 20:41:14 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH v3 03/57] tcg/i386: Conditionalize tcg_out_extu_i32_i64 Content-Language: en-US To: Richard Henderson , qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-s390x@nongnu.org, qemu-riscv@nongnu.org, qemu-ppc@nongnu.org, git@xen0n.name, jiaxun.yang@flygoat.com References: <20230424054105.1579315-1-richard.henderson@linaro.org> <20230424054105.1579315-4-richard.henderson@linaro.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= In-Reply-To: <20230424054105.1579315-4-richard.henderson@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::430; envelope-from=philmd@linaro.org; helo=mail-wr1-x430.google.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 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, NICE_REPLY_A=-1.422, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 24/4/23 07:40, Richard Henderson wrote: > Since TCG_TYPE_I32 values are kept zero-extended in registers, via > omission of the REXW bit, we need not extend if the register matches. > This is already relied upon by qemu_{ld,st}. > > Signed-off-by: Richard Henderson > --- > tcg/i386/tcg-target.c.inc | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) Reviewed-by: Philippe Mathieu-Daudé