From patchwork Wed Aug 18 06:41:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wu Jianhua X-Patchwork-Id: 29597 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6602:2a4a:0:0:0:0 with SMTP id k10csp257496iov; Tue, 17 Aug 2021 23:42:42 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxWv1eUgwD6ExHr3yFVP8KQVCn8zLll8Z70GDzLpRvkHpn1M7LcsgUXXs7s6ypQh/3Xx6Ke X-Received: by 2002:a17:906:72c8:: with SMTP id m8mr8042991ejl.508.1629268962262; Tue, 17 Aug 2021 23:42:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1629268962; cv=none; d=google.com; s=arc-20160816; b=owR3Hwyat4rpySlzc8iMStoN6jpc57bjqFoCN07N2DvE94AE4Sbn8l1eTCDg9aI/35 ScYsHMlQXfx/eLjHNeyb5a30fZmxpMqQhM11JjHXXRW61WhdapJSlcSP3+GAaxU4xcOq EIcTRHSAqjy28L0nUsHNFdpsEcSexcDiVGJrk9w6/IxQ91UsJPWLolnd0cEZhtoYXgBs EIETlMmYtl4ot1/+orxqS/FmbKEX1BJOQPgn12jbHXtbbTEHzbsMCsvw54SML4deyCaY QW4Zwtyu2+q29FrmkjpDj36HLlkgjibBhPF2jlBmr8ISO6uYiscX3joBFsQE1ZZ5HrE1 juhA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:cc:reply-to :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:mime-version:references:in-reply-to :message-id:date:to:from:delivered-to; bh=E2ZENgojz3PkIYg7gDcW1iU4jj6ZNBUbCfj32yeA32s=; b=oPhJU3dolk7SdR6fkgAWZcqM0l2d4j4opZSSu0AmiYEQhPCzeb+L5mx+nf4ZPakDoY XzZJLx2RQHpfVLfTB/rdYNcAjnZdljIgVs2MXYVeSsSxrLYO5ja3Xx+mZnfGN3Vof3zg TFIIho2ZP99wiCyeLHJ0utXicyB3NGnVHvAG28iM8NIJLFKfChpTBbWtnJX68wvTs19u AkKcvVFAWkzKyH1FpWWzCdAEqDNws4oT1k5Pt4DV8RvTx/2xniiTm6ZVwXqktXapBQVO nM6cUW8wMNhMVZb31UkDG0XFkDRARJn88Yt+UxjzSCRINWCa1pN54lxKhGoN3/xgE34P nzUg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id lo26si4769877ejb.200.2021.08.17.23.42.41; Tue, 17 Aug 2021 23:42:42 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 5422A689CF7; Wed, 18 Aug 2021 09:42:34 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 88144689954 for ; Wed, 18 Aug 2021 09:42:27 +0300 (EEST) X-IronPort-AV: E=McAfee;i="6200,9189,10079"; a="301847265" X-IronPort-AV: E=Sophos;i="5.84,330,1620716400"; d="scan'208";a="301847265" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Aug 2021 23:42:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,330,1620716400"; d="scan'208";a="520777656" Received: from icx-perfkit-ubuntu.sh.intel.com ([10.239.83.146]) by FMSMGA003.fm.intel.com with ESMTP; 17 Aug 2021 23:42:18 -0700 From: Wu Jianhua To: ffmpeg-devel@ffmpeg.org Date: Wed, 18 Aug 2021 06:41:31 +0000 Message-Id: <20210818064131.1706832-2-jianhua.wu@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210818064131.1706832-1-jianhua.wu@intel.com> References: <20210818064131.1706832-1-jianhua.wu@intel.com> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH v2 2/2] libavutil/x86/cpu.c: add IceLake-AVX512 runtime check X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Wu Jianhua Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: BxswqO67NvYn Signed-off-by: Wu Jianhua --- libavutil/x86/cpu.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/libavutil/x86/cpu.c b/libavutil/x86/cpu.c index bcd41a50a2..9e6015cf31 100644 --- a/libavutil/x86/cpu.c +++ b/libavutil/x86/cpu.c @@ -148,11 +148,10 @@ int ff_get_cpu_flags_x86(void) #if HAVE_AVX2 if ((rval & AV_CPU_FLAG_AVX) && (ebx & 0x00000020)) rval |= AV_CPU_FLAG_AVX2; -#if HAVE_AVX512 /* F, CD, BW, DQ, VL */ +#if HAVE_AVX512 /* F/CD/BW/DQ/VL/VNNI/IFMA/VBMI/VBMI2/VPOPCNTDQ/BITALG/GFNI/VAES/VPCLMULQDQ */ if ((xcr0_lo & 0xe0) == 0xe0) { /* OPMASK/ZMM state */ - if ((rval & AV_CPU_FLAG_AVX2) && (ebx & 0xd0030000) == 0xd0030000) + if ((rval & AV_CPU_FLAG_AVX2) && (ebx & 0xd0230000) == 0xd0230000 && (ecx & 0x5f42) == 0x5f42) rval |= AV_CPU_FLAG_AVX512; - } #endif /* HAVE_AVX512 */ #endif /* HAVE_AVX2 */