From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io1-xd32.google.com (mail-io1-xd32.google.com [IPv6:2607:f8b0:4864:20::d32]) by sourceware.org (Postfix) with ESMTPS id 8E6573858D20 for ; Thu, 25 May 2023 04:07:41 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 8E6573858D20 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=ventanamicro.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=ventanamicro.com Received: by mail-io1-xd32.google.com with SMTP id ca18e2360f4ac-76c5a225388so45790339f.1 for ; Wed, 24 May 2023 21:07:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1684987661; x=1687579661; 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=5jjiFqOS5GZ8nADbRF9HJ9S7+TandsCscp7co0tjR9k=; b=GHgG/bjARHi/dAtTFfsBTH2HryQAtUEwmCbNS9M6+gXJf9REFgSEb3HJugMuvCLcRb dMUf8ce6ujCW4vHQE7AEUa2yYjW0/nZXly90+P24vZBjPsPpjMPw6oliTaXOxB4xpeUf BPU0HLhvQyJUygZBGBlhx5I4p1wt+6ytfMHOUoqaDA/s2nCDUiS2H6uH0oEJAyKK69R4 331Fv6Mri9W23askJUvSTsrQMEqDjlsrn9XYSohO5zM+fVoCrPrzdd3bQEU1KqjED6N9 2mpg1MQ5vhgIYawED4iXBRDupnVSKeOP4e6XS2jkQrrQFLr9z+SJJfDZLpBfM11K/WDB LCcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684987661; x=1687579661; 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=5jjiFqOS5GZ8nADbRF9HJ9S7+TandsCscp7co0tjR9k=; b=cObp+DqxkxMYDivAKXRcDZKxGr21Cr+p3DQ0uBlsx2AXUqDDyz2hC8uYD0a5gzKpGh 3nrkMtrUqeQOwBe/1nwT4MkbbLqbpxB9ral68qqlqOfrhgo1nDHGnoyW/lBceg4lKZqC n/JezfJBiMovMuNLrkyAlmX2C29HLsAKNQdJZLVNt2j7VktALWsfPlY+Cm9F3WVWYjjX +nVANSarj2Q8TOHOhEnkGbpSzxpCMPjgYjjhYWFi+FONDligGIl1Y+PVnndINFc4V2FH 0yweqC5zEFcU1gsiOyCVqIoRHV6vS42YTi7KDcOrKbFuq17Jd2MYxl6IaQlYlnmIOuUU 8nlw== X-Gm-Message-State: AC+VfDx6Q0BE9seLxT5OSS9vCUutAAInNOwa/9bjdfGhBOyDi4XrF2/n bJNS6moUnKMVQVAszpS5cl62nA== X-Google-Smtp-Source: ACHHUZ4/v0nDcYJnbVxfwczj6WxZsARwu13rcmiBVfq/EDDCNTzdcnA3cilKzEK4Mqak9mef4QmQCQ== X-Received: by 2002:a92:ce45:0:b0:333:eb18:2b72 with SMTP id a5-20020a92ce45000000b00333eb182b72mr10035449ilr.25.1684987660847; Wed, 24 May 2023 21:07:40 -0700 (PDT) Received: from ?IPV6:2601:681:8d00:265::f0a? ([2601:681:8d00:265::f0a]) by smtp.gmail.com with ESMTPSA id m7-20020a92cac7000000b0032b72b5c1c3sm87027ilq.9.2023.05.24.21.07.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 24 May 2023 21:07:40 -0700 (PDT) Message-ID: Date: Wed, 24 May 2023 22:07:39 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 Subject: Re: RISC-V Bootstrap problems Content-Language: en-US To: "juzhe.zhong@rivai.ai" , "kito.cheng" Cc: jeffreyalaw , palmer , vineetg , "Kito.cheng" , gcc-patches , Patrick O'Neill , macro References: <66780d8b-41bf-95ac-3266-c4025636757e@gmail.com> From: Jeff Law In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,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 5/24/23 21:54, juzhe.zhong@rivai.ai wrote: > >> IIRC LLVM is using the table driven mechanism, so it's less impact > on the >>>compilation time when the instruction becomes more and more. > Oh, I see. Could you share more details ? > Maybe we can support this in GCC. It's highly unlikely we'll switch from the mechanisms we're using. They're pretty deeply embedded into how all the ports are developed and work. The first step is to figure out what's exploding. I strongly suspect we'll be able to see this in a cross, but again, the magnitude will be smaller. jeff