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[79.124.17.100]) by mx.google.com with ESMTP id 38308e7fff4ca-2f75c0b880bsi15932221fa.644.2024.09.09.08.46.25; Mon, 09 Sep 2024 08:46:25 -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; dkim=neutral (body hash did not verify) header.i=@comstyle.com header.s=default header.b=WQg4JRN2; 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 Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 71EFB68DFD1; Mon, 9 Sep 2024 18:46:19 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail.comstyle.com (speedy.comstyle.com [206.51.28.2]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 17EFE68DA9F for ; Mon, 9 Sep 2024 18:46:13 +0300 (EEST) Received: from mail.comstyle.com (localhost [127.0.0.1]) by mail.comstyle.com (Postfix) with ESMTP id 4X2WQW0nMgz8PbP for ; Mon, 9 Sep 2024 11:46:11 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=comstyle.com; h=date :from:to:subject:message-id:mime-version:content-type; s= default; bh=tAayaymWcCwcnAHtAlO3wwhpZPYA6Nq1dE15NZHKkr8=; b=WQg4 JRN2Tst1JJcX5OGYcTCoRJ8xEhxRlOHk8JbjX2+5/0HTpLcccpyXOlXOyrgY3fhH DojXz5RhABsdGnx16P22PkkWT2R9yE/UuLxWOKbEILSxY7NCeVwIlfglJtJPhNGJ luEk8japvnsWsPPEDSuENlyVy+l914iZ15k2b68= DomainKey-Signature: a=rsa-sha1; c=nofws; d=comstyle.com; h=date:from:to :subject:message-id:mime-version:content-type; q=dns; s=default; b= doOygiWYaVYbNpxDiGu4utxibzBddfSC4ixId443gKE9hL4LzWpfQKeS+x/OViWE 2e4Wvs8QJ5dLqxoD+mxrhm5EyK2WAg6ArSN8skg00fng9n5YCYeJUglHyc3fSHsd zRHlVOsxpE2Yk/MGDLzCiPdVrhgJFypmUr6pgvqQa+c= Received: from humpty.home.comstyle.com (unknown [IPv6:2001:470:b050:3:de8b:9db7:3d6c:50d4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA512) (No client certificate requested) (Authenticated sender: brad) by mail.comstyle.com (Postfix) with ESMTPSA id 4X2WQV5pZhz8PbN for ; Mon, 9 Sep 2024 11:46:10 -0400 (EDT) Date: Mon, 9 Sep 2024 11:46:09 -0400 From: Brad Smith To: ffmpeg-devel@ffmpeg.org Message-ID: MIME-Version: 1.0 Content-Disposition: inline Subject: [FFmpeg-devel] [PATCH] libavutil/ppc: Make use of getauxval() and elf_aux_info() on ppc 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 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: tCe6WE+J4qhF libavutil/ppc: Make use of getauxval() and elf_aux_info() on ppc Modern Linux has getauxval() and FreeBSD/OpenBSD ppc have elf_aux_info(). Signed-off-by: Brad Smith --- libavutil/ppc/cpu.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/libavutil/ppc/cpu.c b/libavutil/ppc/cpu.c index 2b13cda662..6dc1961e7a 100644 --- a/libavutil/ppc/cpu.c +++ b/libavutil/ppc/cpu.c @@ -20,6 +20,8 @@ #ifdef __APPLE__ #include +#elif HAVE_GETAUXVAL || HAVE_ELF_AUX_INFO +#include #elif defined(__linux__) #include #include @@ -56,6 +58,20 @@ int ff_get_cpu_flags_ppc(void) if (result == VECTORTYPE_ALTIVEC) return AV_CPU_FLAG_ALTIVEC; return 0; +#elif HAVE_GETAUXVAL || HAVE_ELF_AUX_INFO + int flags = 0; + + unsigned long hwcap = ff_getauxval(AT_HWCAP); + unsigned long hwcap2 = ff_getauxval(AT_HWCAP2); + + if (hwcap & PPC_FEATURE_HAS_ALTIVEC) + flags |= AV_CPU_FLAG_ALTIVEC; + if (hwcap & PPC_FEATURE_HAS_VSX) + flags |= AV_CPU_FLAG_VSX; + if (hwcap2 & PPC_FEATURE2_ARCH_2_07) + flags |= AV_CPU_FLAG_POWER8; + + return flags; #elif defined(__APPLE__) || defined(__NetBSD__) || defined(__OpenBSD__) #if defined(__NetBSD__) || defined(__OpenBSD__) int sels[2] = {CTL_MACHDEP, CPU_ALTIVEC};