From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by sourceware.org (Postfix) with ESMTP id AE13A3858D37 for ; Thu, 29 Sep 2022 03:00:21 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org AE13A3858D37 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=loongson.cn Received: from [10.20.4.52] (unknown [10.20.4.52]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxXWtDCjVjCpojAA--.5549S2; Thu, 29 Sep 2022 11:00:19 +0800 (CST) Subject: Re: [PATCH 0/2] LoongArch: Add optimized functions. To: Xi Ruoyao , Richard Henderson , Adhemerval Zanella Netto , "dengjianbo@loongson.cn" Cc: xuchenghua , "i.swmail" , libc-alpha , joseph , caiyinyu References: <403f78f0-55d9-48cf-c62a-4a0462a76987@loongson.cn> <2022091910031722091613@loongson.cn> <0172d70e-e939-31d4-bcd8-b47f274f97d9@linaro.org> <9cbcd3541c903aaba8038237befee5e3720d144e.camel@xry111.site> <1fec4245-9eb4-108d-722e-ba36a1df0023@linaro.org> <8411c465e01de9608633f8b1fd2d82d3ef16f001.camel@xry111.site> <1679af30-ee17-3016-1bd3-192f744ad8ef@linaro.org> <6afb2b9136ff6c96d5b729340427f59e24ebf268.camel@xry111.site> From: Lulu Cheng Message-ID: Date: Thu, 29 Sep 2022 11:00:19 +0800 User-Agent: Mozilla/5.0 (X11; Linux mips64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <6afb2b9136ff6c96d5b729340427f59e24ebf268.camel@xry111.site> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-CM-TRANSID:AQAAf8BxXWtDCjVjCpojAA--.5549S2 X-Coremail-Antispam: 1UD129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjp_UUUYV7AC8VAFwI0_Gr0_Xr1l1xkIjI8I6I8E 6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM28Cjx kF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0cI8I cVCY1x0267AKxVWxJVW8Jr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z2 80aVCY1x0267AKxVWxJr0_GcWle2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IE w4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMc vjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvEwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1l c7I2V7IY0VAS07AlzVAYIcxG8wCY02Avz4vE-syl42xK82IYc2Ij64vIr41l4I8I3I0E4I kC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWU WwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr 0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWU JVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYx BIdaVFxhVjvjDU0xZFpf9x0JUdHUDUUUUU= X-CM-SenderInfo: xfkh0wpoxo3qxorr0wxvrqhubq/ X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00,KAM_DMARC_STATUS,NICE_REPLY_A,SPF_HELO_PASS,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: > Added GCC LoongArch port maintainer into Cc:. > > It's actually more complicated. Without the inline assembly in > repeat_bytes(), the compiler does not hoist the 4-instruction 64-bit > immediate load sequence out of a loop for "some reason I don't know > yet". > Ok, I understand the problem described, I will debug the problem.