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[71.212.47.143]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3087dee3279sm8758810a91.7.2025.04.22.08.23.44 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Apr 2025 08:23:44 -0700 (PDT) Message-ID: <09f3eaeb-f610-42e6-8b64-905513c11c18@linaro.org> Date: Tue, 22 Apr 2025 08:23:43 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/5] target/i386: special case ADC/SBB x,0 and SBB x,x To: qemu-devel@nongnu.org References: <20250403092251.54441-1-pbonzini@redhat.com> <20250403092251.54441-2-pbonzini@redhat.com> Content-Language: en-US From: Richard Henderson In-Reply-To: <20250403092251.54441-2-pbonzini@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::102a; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102a.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=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 4/3/25 02:22, Paolo Bonzini wrote: > Avoid the three-operand CC_OP_ADD and CC_OP_ADC in these relatively > common cases. > > Signed-off-by: Paolo Bonzini > --- > target/i386/tcg/translate.c | 20 ++++++++++++ > target/i386/tcg/emit.c.inc | 65 ++++++++++++++++++++++++++++++++++--- > 2 files changed, 80 insertions(+), 5 deletions(-) Reviewed-by: Richard Henderson r~