From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-x52d.google.com (mail-pg1-x52d.google.com [IPv6:2607:f8b0:4864:20::52d]) by sourceware.org (Postfix) with ESMTPS id B005638582B0 for ; Tue, 18 Jul 2023 13:57:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org B005638582B0 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pg1-x52d.google.com with SMTP id 41be03b00d2f7-55ba5bb0bf3so3568502a12.1 for ; Tue, 18 Jul 2023 06:57:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1689688642; x=1692280642; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=FgXaCbCOlfsTsGAve+NuQIqmHUxw+FwbTxgAu9gU7E4=; b=n2LaBUtUkRZgfkGYoV15CJksDpC03htXGzclnMljvG+rbQ7btIcvU5HzoPinujaihC UB5/B1fKrJCavmcmA0mS+/EqOrEqV6MgP3a8f1TA+lZPSXg//ls4HmZUISu+UAweXJxv iVpl4pQ1GH6EDeToLBdowj8DOYsM6sWMeZu7sWxkZIfIoEHgaSgrTxZgKKCt/QkWSCbg 6tdogudwNfQ6QYieEAUTm+6XxX1LIS+G6dcBhHzfBb6i3Pr37SF1clN0WkuDzubObX8n WJjoqRn6/FXlSh/9pxX4zbCkxT5s7O0COpDf3nXvQQpWHAAjOKN+oId/7xT1O3n0H5X/ 1a/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689688642; x=1692280642; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=FgXaCbCOlfsTsGAve+NuQIqmHUxw+FwbTxgAu9gU7E4=; b=OsVWS+pL4U2K3aW+qkOyVpc3nzCuMDIN4bMdlsUFQJzotEAlP3eoljB/Xzb4+18W7g e9gz7L+CQVDA5D87LBFMLpyxuCMYlVdj52fnZvqz7oNqmC+E9DU/OLHMwA/ORfCUIdDk 3gflfNN3eq02B3hy1MrFeEMY/nf2xc09+opOL5+TcJT3H9CKeRtrZ4ssOvcqRLYskC0G OM348/I4aqgGgutR0MXs2oFPGoCaS2Iy/4dU2GFLM1fotsjXK1EFNI5NI5F5gIvFru67 cspIAYItRE5y9UIccfJwRZifJPF8Hp7BBpuAkNkX+ii6UqJI+mRGXiYzhH2kMgNKHBEg syAQ== X-Gm-Message-State: ABy/qLZjo++SjANBNrqIePwEmqdzMYeX+dXUxgluxtHURmzTW0NHXxLv cc15NxPjexEZ7qLzXx2006s= X-Google-Smtp-Source: APBJJlENJ7vuDDXlOGoGHkhChbRtWaVYMoLQkSiXLrdxFTOepxI0cBeDtfS7CVGxAowN1JzzY7I2Xg== X-Received: by 2002:a17:90a:654b:b0:253:3eb5:3ade with SMTP id f11-20020a17090a654b00b002533eb53ademr15937466pjs.8.1689688641991; Tue, 18 Jul 2023 06:57:21 -0700 (PDT) Received: from [172.31.0.109] ([136.36.130.248]) by smtp.gmail.com with ESMTPSA id e15-20020a17090a4a0f00b0026596b8f33asm6436868pjh.40.2023.07.18.06.57.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 18 Jul 2023 06:57:21 -0700 (PDT) Message-ID: <3d0b7ae4-454f-dd9e-6cd2-aa09b185a359@gmail.com> Date: Tue, 18 Jul 2023 07:57:20 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [PATCH v1|GCC-13] RISC-V: Bugfix for riscv-vsetvl pass. Content-Language: en-US To: pan2.li@intel.com, gcc-patches@gcc.gnu.org Cc: juzhe.zhong@rivai.ai, kito.cheng@gmail.com References: <20230716021622.2831938-1-pan2.li@intel.com> From: Jeff Law In-Reply-To: <20230716021622.2831938-1-pan2.li@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,KAM_SHORT,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,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: On 7/15/23 20:16, Pan Li via Gcc-patches wrote: > From: Ju-Zhe Zhong > > This patch comes from part of below change, which locate one bug of rvv > vsetvel pass when auto-vectorization. > > https://gcc.gnu.org/pipermail/gcc-patches/2023-July/624523.html > > Unforunately, It is not easy to reproduce this bug by intrinsic APIs > but it is worth to backport to GCC 13. > > Signed-off-by: Ju-Zhe Zhong > > gcc/ChangeLog: > > * config/riscv/riscv-vsetvl.cc (gen_vsetvl_pat): Add vl parameter. > (change_vsetvl_insn): Ditto. > (change_insn): Add validate change as well as assert. > (pass_vsetvl::backward_demand_fusion): Allow forward. OK for gcc-13. jeff