From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ua1-x92e.google.com (mail-ua1-x92e.google.com [IPv6:2607:f8b0:4864:20::92e]) by sourceware.org (Postfix) with ESMTPS id C10983858C83 for ; Mon, 7 Feb 2022 06:35:41 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org C10983858C83 Received: by mail-ua1-x92e.google.com with SMTP id r8so21298939uaj.0 for ; Sun, 06 Feb 2022 22:35:41 -0800 (PST) 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:content-transfer-encoding; bh=0XIqWIQqWFAkYeh37F8ZLnZSiosqeCaTg7GUfcKmORI=; b=EOg69YW/xe9iV/XOBBFeQSRx5JGm3ZdRs2C71A/R3LX1B8rIiKo0Al2PBEmjTYQPK9 FukGYcPIoudD+xJitROz+JNApUH4o64gSBAHQChBeuDkw80INYrRsJ2aS9Q0c4ImukTq HmGdhF9qc967+hKyDJGRzK3ipGBUpV5pCow8xJU/yMVNfE3GbMda3gfSKqPn6x39iGP0 PloD4blqeH+46/2zWwSZAsf1XPdYpkR6PiukbenUUUK6HU4+ZYWHnNTC+YoTtVoppHsz Wu8lNn4nH+jZQKJeRNS3ueP2CZcZRr214aGHTljbQjIOVVhLEXtZPth3bY2RupX5+dl4 O8eQ== X-Gm-Message-State: AOAM531AtosXMFzUDoFHC1H6sp8HbkC04GYe4DgoEukFmASlLBXLBkEt 3hBsc0xyuP/d96Hs4/aTn2n+iF6TFuvOa4SQYws= X-Google-Smtp-Source: ABdhPJwme1+ssKERNG6naGgsn4KuOrdzDi+uzek/BPrAs2LLvi3IcjPU3Ds77b2ltK7d98y1d6PwZXFEcQLmVG19bdw= X-Received: by 2002:a67:f349:: with SMTP id p9mr4064332vsm.50.1644215741354; Sun, 06 Feb 2022 22:35:41 -0800 (PST) MIME-Version: 1.0 References: <4652ef74-3f2d-f04c-d560-de89ff37013c@foxmail.com> In-Reply-To: From: Hongtao Liu Date: Mon, 7 Feb 2022 14:35:30 +0800 Message-ID: Subject: Re: [Intel SPR] Progress of GCC support for Intel SPR features To: LiYancheng Cc: Andrew Pinski , Jan Hubicka , GCC Mailing List Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-3.1 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=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Feb 2022 06:35:43 -0000 On Mon, Feb 7, 2022 at 11:16 AM LiYancheng via Gcc wrote: > > > On 2022/2/7 10:03, Andrew Pinski wrote: > > On Sun, Feb 6, 2022 at 5:59 PM LiYancheng via Gcc wro= te: > >> Hello everyone! > >> > >> I have some questions to ask: > >> > >> 1. How does GCC support Sapphrie Rapids CPU now? > >> > >> 2. Does GCC 11 fully support all the features of SPR? > >> From the release note, it seems that 5g ISA (fp16)/hfni is > >> not supported yet. > > It will be included in GCC 12 which should be released in less than 4 m= onths. > Thank you for your reply=EF=BC=81 > >> 3. What is the simulation tool used by GCC to verify SPR characteristi= cs? > >> Is it open source? > > Intel is doing the patching to GCC and binutils so I suspect they > > verify using their internal tools and I highly doubt it is free > > source. > > > > > > Thanks, > > Andrew Pinski > > > Any suggestions from Intel? > You can use Intel SDE(software-development-emulator) refer to https://www.intel.com/content/www/us/en/developer/articles/tool/so= ftware-development-emulator.html. And please use GCC12(main trunk, not released yet), and binutils 2.38(main trunk, not released yet). > Thanks! > > yancheng > > >> Thanks for all the help, > >> > >> yancheng > >> --=20 BR, Hongtao