From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id CDBABA0A0C; Thu, 22 Jul 2021 19:58:28 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 567074014D; Thu, 22 Jul 2021 19:58:28 +0200 (CEST) Received: from wout4-smtp.messagingengine.com (wout4-smtp.messagingengine.com [64.147.123.20]) by mails.dpdk.org (Postfix) with ESMTP id 9425C40040; Thu, 22 Jul 2021 19:58:26 +0200 (CEST) Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailout.west.internal (Postfix) with ESMTP id 658033200907; Thu, 22 Jul 2021 13:58:24 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Thu, 22 Jul 2021 13:58:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s=fm1; bh= zC9/EPRkjFyiQ4uIXja5N7zgXa/bygbvlV6f0kdzG80=; b=JARSzJrY+XCRiOzx xPd/ADJaJxG0JDF2nDcL6W2HkqgkLaxyongtTGqBQEsMPiKdwMye726QH5fWADcM lLS5G/MMNhPOgK5928dFmYIAhJOnbSjbwU5j6CDQ+AS9/b2FwWCp+IMn1isCjcuJ aNaxodhqr+CMejEJgunl84JMPumCUAd9EnQOak9EtNvd7v7ZNsOTjRDQIjXdj9L4 yv2ctjAcuFjdCnvg9qnCcSvnG97lD+RLGp5QMXFQF66nN5WnaBZTZ7D8f6GI1jW+ vOddF9V2MC2SeIdh869DsxcLQ9dIw298jJG9hp1fFZ7dcUPC4UViyrj4uEBkdE5D 61p+3A== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm3; bh=zC9/EPRkjFyiQ4uIXja5N7zgXa/bygbvlV6f0kdzG 80=; b=RtV/NEhPwW5GxHmrxvWPHN6EeyhW5WJjTGAto51EtZYTe1xrZSJBEIP30 o3TNypXM11YoyI4vewuhZDvifTN8BPzH8kT5SLNh6gg6PwwT2KU5CfkKTfi/v+MC zyRttka8Xmvai2BvlHAewahVfCFYnxbfKtHkIK5BRMM0dLAFlxxGHDD7uJlYX6rv TroI+ZPi4tT4Rd7R2E/6Prmm937BLgBRyvhjrBfHghsZ/uYxPRwAU4K7A7uqIINm y45R2RFQz9lKxV5pWfOtvWuooSPrjTY/8r4JmheiKxXGbB6fwUAsLXNyE5Tp6eIj +fdbGdRXZrcffixvy03ddXirccNZg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrfeeigddutdelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkfgjfhgggfgtsehtufertddttddvnecuhfhrohhmpefvhhhomhgr shcuofhonhhjrghlohhnuceothhhohhmrghssehmohhnjhgrlhhonhdrnhgvtheqnecugg ftrfgrthhtvghrnhepleeiiedvkeehieeghfekuedthefhtdejveeftdeiudevhfdtieeh udfhgedvleffnecuffhomhgrihhnpehgnhhurdhorhhgnecuvehluhhsthgvrhfuihiivg eptdenucfrrghrrghmpehmrghilhhfrhhomhepthhhohhmrghssehmohhnjhgrlhhonhdr nhgvth X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 22 Jul 2021 13:58:22 -0400 (EDT) From: Thomas Monjalon To: Liang Ma Cc: dev@dpdk.org, stable@dpdk.org, leyi.rong@intel.com, stable@dpdk.org, Bruce Richardson , Konstantin Ananyev , Liang Ma Date: Thu, 22 Jul 2021 19:58:39 +0200 Message-ID: <3054484.ELAzW8oUhP@thomas> In-Reply-To: <20210720133645.938-1-liangma@liangbit.com> References: <20210717170830.1736-1-liangma@liangbit.com> <20210720133645.938-1-liangma@liangbit.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v4] build: check for broken AVX-512 compiler support X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 20/07/2021 15:36, Liang Ma: > From: Liang Ma > > GCC 6.3.0 has a known bug which related to _mm512_extracti64x4_epi64. > Please reference https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82887 > > Some DPDK PMD avx512 version heavily use _mm512_extracti64x4_epi6, > which cause building failure with debug buildtype. > > Therefore, it's helpful to check if compiler work with > _mm512_extracti64x4_epi6. > > This patch check the compiler compile result against the test code > snippet. If the checking is failed then disable avx512. > > Bugzilla ID: 717 > Fixes: e6a6a138919f (net/i40e: add AVX512 vector path) > Fixes: 808a17b3c1e6 (net/ice: add Rx AVX512 offload path) > Fixes: 4b64ccb328c9 (net/iavf: fix VLAN extraction in AVX512 path) > Cc: stable@dpdk.org > > Reported-by: Liang Ma > Signed-off-by: Liang Ma > Acked-by: Bruce richardson Applied, thanks.