From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by sourceware.org (Postfix) with ESMTP id 352523858C54 for ; Thu, 18 Jan 2024 08:49:58 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 352523858C54 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=loongson.cn ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 352523858C54 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1705567809; cv=none; b=hp8D8fjLLZ/sreP6EbtcXEXOI0zs6X6Y7r0PX4HMDkj0322eipvmxmh67p3vYz53maMetV1d8YDkXOsvgAb3rsyju/9KVchNQ6pBgd5XVZwRj0jP4DzOQ4sf2Zsk8pjDwKMGmPuA1bLqasVfDyLfTBoAu3N1oaBaFkqKoOVXfkg= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1705567809; c=relaxed/simple; bh=mA7Sacbt7CFHVm3zUWNfzs2N2eSxKA1t/Quop7pzTQc=; h=Subject:To:From:Message-ID:Date:MIME-Version; b=e2YuywFWh+U3eGwv0ibtueAz4rej+swDAbaIO3RWrx0Cu/w6XyuT/4OrkQKay0G0uoRWTCvs82rab3H5rarLOwSAjgd9MSMz8aB5WECzm6Gmy6xjyq4d+sLQNggK239NNhRxH3hc089+64auPNY/S73j+nW7e9f/4KFRs4zYxuw= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from loongson.cn (unknown [117.129.62.51]) by gateway (Coremail) with SMTP id _____8Dxfes05qhlLZEBAA--.7391S3; Thu, 18 Jan 2024 16:49:57 +0800 (CST) Received: from [192.168.2.109] (unknown [117.129.62.51]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cxbs0y5qhlZSEIAA--.39200S3; Thu, 18 Jan 2024 16:49:55 +0800 (CST) Subject: Re: [PATCH v2] LoongArch: testsuite:Added additional vectorization "-mlsx" option. To: Xi Ruoyao , Richard Biener Cc: chenxiaolong , YunQiang Su , gcc-patches@gcc.gnu.org, i@xen0n.name, xuchenghua@loongson.cn, schwab@linux-m68k.org, ci_notify@linaro.org References: <20240113072817.31932-1-chenxiaolong@loongson.cn> <36fa3e47dfb106a150f113a300ecff6a7c869237.camel@xry111.site> <8654a1de861c86eda083dced141bc928df3930f4.camel@loongson.cn> <7b74e3f09cd083e489850774f2c85079bd470301.camel@xry111.site> <72675360c53a3d73a2171ca9e45d7e3049025c25.camel@loongson.cn> <870c3b36f3d88d56f38cbdeeb7c4301e6fa32cb2.camel@xry111.site> <6e608699db17a4f37b4bddf156d5c59759672e34.camel@loongson.cn> <9dfd46d1-7499-51b5-e891-26fdf1f68eea@loongson.cn> <49d8b75b829f8a1cf1da72c6f38bc63a78b861ee.camel@xry111.site> From: chenglulu Message-ID: Date: Thu, 18 Jan 2024 16:49:53 +0800 User-Agent: Mozilla/5.0 (X11; Linux loongarch64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <49d8b75b829f8a1cf1da72c6f38bc63a78b861ee.camel@xry111.site> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-CM-TRANSID:AQAAf8Cxbs0y5qhlZSEIAA--.39200S3 X-CM-SenderInfo: xfkh0wpoxo3qxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBj9xXoWrtF17Zr1UXw1kAw4kGFyxXrc_yoW3WrX_Wr yrZFy8Jw48ArWfGas8K3y5Zry7JFWqyrykJ3WvvF4rWayfXan0vrs8urn3AF1UtFWxtF9r tr4S93y0vrWv9osvyTuYvTs0mTUanT9S1TB71UUUUj7qnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUbqkYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_JrI_Jryl8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8JVWxJwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6r4UJVWxJr1ln4kS14v26r126r1DM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12 xvs2x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r12 6r1DMcIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IY64vIr4 1lc7I2V7IY0VAS07AlzVAYIcxG8wCY1x0262kKe7AKxVWUAVWUtwCF04k20xvY0x0EwIxG rwCFx2IqxVCFs4IE7xkEbVWUJVW8JwCFI7km07C267AKxVWUAVWUtwC20s026c02F40E14 v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkG c2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4U MIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07jeq2NUUU UU= X-Spam-Status: No, score=-7.0 required=5.0 tests=BAYES_00,KAM_DMARC_STATUS,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE 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: 在 2024/1/18 下午3:44, Xi Ruoyao 写道: > On Thu, 2024-01-18 at 15:15 +0800, chenglulu wrote: > >>> gcc.dg/tree-ssa/scev-16.c is OK to move >>> gcc.dg/pr104992.c should simply add -fno-tree-vectorize to the used >>> options and remove the vect_* stuff >> Hi Richard: >> >> I have a question. I don't understand the purpose of adding >> '-fno-tree-vectorize' here. > I don't think -fno-tree-vectorize will make a difference here. This > test case uses __attribute__((vector_size(...))) explicitly so the > vector operation will be used even if -fno-tree-vectorize. > Yes, I did the test and compared the intermediate results and saw no difference. “remove the vect_* stuff”，I don’t quite understand what it means either.:-(