From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ua1-x92a.google.com (mail-ua1-x92a.google.com [IPv6:2607:f8b0:4864:20::92a]) by sourceware.org (Postfix) with ESMTPS id 5AEB9386DC55 for ; Tue, 14 Jun 2022 03:21:04 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 5AEB9386DC55 Received: by mail-ua1-x92a.google.com with SMTP id 90so2840108uam.8 for ; Mon, 13 Jun 2022 20:21:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=89JM+VUVzierYxOCH16NJb2PFgmg/TPwhXCYFnZdj0I=; b=3aSbhExVe726P52AXzGSKP7OiPbtZZ9ZCPQTRmBmXvGWQ8YamrHoanI0eKax0nZcpr 8sjyp2CfLygAvSkJPH+RbTKF9dgACZfO0c3JXYFM6kf0YMaXbU8okNdfOSxNrHYJHMx2 4hetirDMjxjc1LF+lR7cFYI+bXpGzPaGlzg/GIVx7r5GoDYNQz8oKdvqahuKSZHcrIxQ VhgBOkWuPWAVEfgULglM+Ez3/MgEXj2NoJzHUGd59lSZaQue+ski86uzfPU1J3Fn0V8G 0m+gxXhzkSwglfxGymBZ9RQVuXY/kw/zgWfjzsgFP7KECbCY+qEnac4AteyPVz3THxst UT4w== X-Gm-Message-State: AJIora/m/kncTYO9zbfZf3INXMt5oAAG9goFf2lA1GA6fHtnA3CcUIFQ J2/Nhfh6YVsP+73CbvjxncprxSZb9MideuXViyQ= X-Google-Smtp-Source: AGRyM1vDOpxDw91NyKEU03/tjEOUu6MccbmxeEMDCffQ5Q512quAO8co30VhqQEW4IkoP/9oY43Uet4IWcZMbiXyhyk= X-Received: by 2002:ab0:6294:0:b0:368:c6f1:e9b2 with SMTP id z20-20020ab06294000000b00368c6f1e9b2mr1319363uao.58.1655176863459; Mon, 13 Jun 2022 20:21:03 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Zvi Vered Date: Tue, 14 Jun 2022 06:20:53 +0300 Message-ID: Subject: Re: 1.25.0: aarch64-unknown-linux-gnu with neon support To: Chris Packham Cc: crossgcc maillist X-Spam-Status: No, score=-0.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, HTML_MESSAGE, KAM_SHORT, 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 Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: crossgcc@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: crossgcc mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Jun 2022 03:21:09 -0000 Hi Chris, Thank you very much for your reply. According to: https://developer.arm.com/Processors/Cortex-A53 The architecture of Cortex-A53 is ARMv8. Is has "Neon advanced SIMD" I wonder how to configure crosstool 1.25.0 to fit exactly this CPU for linux, 64bits. Best regards, Zvika On Mon, Jun 13, 2022 at 12:24 PM Chris Packham wrote: > On Mon, Jun 13, 2022 at 2:29 PM Zvi Vered via crossgcc > wrote: > > > > Hello, > > > > I ran: > > ct-ng aarch64-unknown-linux-gnu > > but with this configuration, under "Target options" I can't set FPU. > > > > How can I create gcc for armv8 (coretex A53), 64bit with the option: > > -mfpu=neon > > The aarch64 configs don't use the FPU option (I think because the FPU > is required by the ARMv8 spec). Instead you probably want to use the > -mcpu/-mtune options as per > > https://gcc.gnu.org/onlinedocs/gcc-12.1.0/gcc/AArch64-Options.html#AArch64-Options > > > > > Thank you, > > Zvika > > -- > > For unsubscribe information see http://sourceware.org/lists.html#faq >