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Tue, 29 Oct 2024 08:46:02 -0700 (PDT) Message-ID: <5985cc17-c123-496a-a6b8-23c651a97f68@linaro.org> Date: Tue, 29 Oct 2024 15:46:00 +0000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 13/14] target/i386: use higher-precision arithmetic to compute CF To: Paolo Bonzini , qemu-devel@nongnu.org References: <20241028151851.376355-1-pbonzini@redhat.com> <20241028151851.376355-14-pbonzini@redhat.com> Content-Language: en-US From: Richard Henderson In-Reply-To: <20241028151851.376355-14-pbonzini@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=richard.henderson@linaro.org; helo=mail-wm1-x334.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 10/28/24 15:18, Paolo Bonzini wrote: > If the operands of the arithmetic instruction fit within a half-register, > it's easiest to use a comparison instruction to compute the carry. > ` > Signed-off-by: Paolo Bonzini > --- > target/i386/tcg/cc_helper_template.h.inc | 37 ++++++++++++++++++++++++ > 1 file changed, 37 insertions(+) Reviewed-by: Richard Henderson r~