From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oa1-x2d.google.com (mail-oa1-x2d.google.com [IPv6:2001:4860:4864:20::2d]) by sourceware.org (Postfix) with ESMTPS id 1AAE13858CDA for ; Mon, 5 Feb 2024 15:34:09 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 1AAE13858CDA Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 1AAE13858CDA Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2001:4860:4864:20::2d ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1707147250; cv=none; b=U5c9WIY0g1bro4AJssN/rk6nPzF7bFzFyLn2vVU2uPIUo2ogb9zkTaz6Cdp/V20kUtJBuZoW3O8IovNCD91WLJ5Bu7afMTSmfvGwpbzzhPe/rc9g5HRurMWyAp9OpmqJ5uYI73l9Jhn1oiwPNgJcxIwIuZFHSiH5Jfse3di55xo= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1707147250; c=relaxed/simple; bh=OoHqSaZL8OHX6SHgRMd8/fsQl26mRQkn2fVZJKLlMyU=; h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:To:From; b=e5d5Edi+z6U5e8+VrwA1P8l/5FvVR8jc72jfNd59AqI2/VIEZ5edDWhBf5Zp5M1BnoXvlqunEjFU68ZLu7U9U1LGxx+BKJLSLO2Rg2m1YBd+y75qX8BUFEheworj1yLqP6N6M9H4mAGviaixIF7qBi2uk6xGRY9g7Ckvm+ZFZQc= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-oa1-x2d.google.com with SMTP id 586e51a60fabf-219108b8e9cso2205932fac.2 for ; Mon, 05 Feb 2024 07:34:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1707147248; x=1707752048; darn=gcc.gnu.org; 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=YeF6O2mAE3A65ihcZy9hlFXTEX7K3zhv5iPPfeNpAmE=; b=TSz6pXX8m/kOU9/9ENyKlHXm6a32sUQ4ZBz7l1DQP2n6NlBtNfiL3PEZBqni1bbZt6 GG+BYexv5yBrUTf73gQKVbtDxryfZho36/r5l1LJ90ViAzkRtygVANXaqLNXoG7M/YLE 4wYxlR48lnxcLqGuzduWDp9Q6eSXKXXPA1aA+ePCBeMSYpTEVnb4hgy2s2V4QAeypBn2 PXzB46jCewCh1gv4idCGK+N33+BpiAFVPYe0mmsH2osgXoLQs4w8llpKdEkoJjW2/QnE JVQ6Hht6r2x4AVj7vTooUdIbNKXunzX1wuheEyEXb3y7Fs62bsGeIA54IAcKrnF2nSmP Re4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707147248; x=1707752048; 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=YeF6O2mAE3A65ihcZy9hlFXTEX7K3zhv5iPPfeNpAmE=; b=PHVukWWQy11d7jiBXAgbmxwqSh1d30rRkoitA/6Z/S+/wk35z6PcMILyYKP6Qeq6z2 mdQwEz+DRo/6gtMTKBwScaZ25w2YWk6mPFrG9fwkjeB/DO4BB09sFr2PuvcR8a0JQPfd 5NjBZdeeawm8ur1CeI1FxhkPI1yQIXkihO2QYU2IrxBzLCPdHeUVT1a3wkJKxND7BTAU Wl/D37v3GFPtyAPcDKGlLV3FOTnA/cGxySxxovrDkqbhyVRM3TWHTIGRLHSf99bwDdha ETxPvOFiaOYQAw9h2Y8V9My9bpWk/wBoi2JPkc5zQLTtyWCh74/zZmpLEQjyGWf2688Q 2mzQ== X-Gm-Message-State: AOJu0YzzeHNuNFzT1twB/TGCqxFY16eCpN77PldZB6pVUHhSBY7LsOvH uf/ouRuVDTfox2p0vd7RTtmV/LBRyTyZXpSQsfKZj2R6IMzGy+4lSLfUGbiD X-Google-Smtp-Source: AGHT+IHl8toiq0O5MiDLiBcyoDcBN+k0fQc7J23S9KeQEJc5pVRnc1tFyGfzL4kJRaXKnhq+TSYAgw== X-Received: by 2002:a05:6870:170e:b0:219:6c0d:8b18 with SMTP id h14-20020a056870170e00b002196c0d8b18mr19364oae.37.1707147248276; Mon, 05 Feb 2024 07:34:08 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCU2FP7qxQJz0bIOwu3tlEi+BagnFtj6vH+bdt4c1fJfqEwQvgQv+1geyoDkCczOpzmhS0aP0uj1Y5/MPSGiYpxk2T0aVV36rG+vcKvRHTThv8qaegw/5pmW99ujM+Yy+UF1TiHyvss7kMiEmYCEuxuiWCbp Received: from [172.31.0.109] ([136.36.72.243]) by smtp.gmail.com with ESMTPSA id pa18-20020a0568701d1200b00219a1bf0e44sm25048oab.47.2024.02.05.07.34.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 05 Feb 2024 07:34:07 -0800 (PST) Message-ID: <5ba23b66-6338-4e2e-bc48-a5f3ff5fbbfa@gmail.com> Date: Mon, 5 Feb 2024 08:34:06 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] RISC-V: Expand VLMAX scalar move in reduction Content-Language: en-US To: "juzhe.zhong@rivai.ai" , gcc-patches Cc: "kito.cheng" , "Kito.cheng" , Robin Dapp References: <20240202015659.54072-1-juzhe.zhong@rivai.ai> <8d5529d6-df50-4ac2-9bdb-a7525142b956@gmail.com> <778a4509-c387-452f-b682-e0dd9963ac90@gmail.com> <5B8117E9C28EBC42+202402051437529412972@rivai.ai> From: Jeff Law In-Reply-To: <5B8117E9C28EBC42+202402051437529412972@rivai.ai> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,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 2/4/24 23:37, juzhe.zhong@rivai.ai wrote: > I think it just trigger a latent bug that we didn't encounter. > > Hi, Robin. Would you mind give me preprocessed file to reproduce the issue ? > > I suspect it triggers latent bug in VSETVL PASS. I've got a few minutes this morning before meetings start. I'm going to try and trigger this with LTO off, which would help dramatically with our ability to provide a testcase. jeff