From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.ffmpeg.org (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id DCE974A241 for ; Tue, 19 Aug 2025 13:28:32 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id B2D8468D503; Tue, 19 Aug 2025 16:28:27 +0300 (EEST) Received: from c1ad6a1ecdc3 (code.ffmpeg.org [188.245.149.3]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTPS id C50AD68CF80 for ; Tue, 19 Aug 2025 16:28:25 +0300 (EEST) MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Subject: [FFmpeg-devel] =?utf-8?q?=5BPATCH=5D_avcodec/svq1enc=3A_restrict?= =?utf-8?q?_Altivec_acceleration_to_big-endian_POWER_configurations_=28bac?= =?utf-8?q?kported_to_release/7=2E1=29_=28PR_=2320285=29?= 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: , From: Sean McGovern via ffmpeg-devel Reply-To: FFmpeg development discussions and patches Cc: Sean McGovern Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Message-Id: <20250819132827.B2D8468D503@ffbox0-bg.ffmpeg.org> Date: Tue, 19 Aug 2025 16:28:27 +0300 (EEST) Archived-At: List-Archive: List-Post: PR #20285 opened by Sean McGovern (sean_mcg) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20285 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20285.patch This was disabled in da60b99a8857d5ca236f32c1799a066e0135a866 and then accidentally re-enabled in 172b0e2e88832822632841e8e0d3794f974cbc93. The code in question was never properly adapted for litte-endian mode. refs: trac/10955 Signed-off-by: Michael Niedermayer (cherry picked from commit 4322be512b2bd6c7d8ee61a2b0230546f3107be0) >From b8dcb682b174b2f1c481d53bb86b6226489ef447 Mon Sep 17 00:00:00 2001 From: Sean McGovern Date: Thu, 16 Jan 2025 16:30:52 -0500 Subject: [PATCH] avcodec/svq1enc: restrict Altivec acceleration to big-endian POWER configurations This was disabled in da60b99a8857d5ca236f32c1799a066e0135a866 and then accidentally re-enabled in 172b0e2e88832822632841e8e0d3794f974cbc93. The code in question was never properly adapted for litte-endian mode. refs: trac/10955 Signed-off-by: Michael Niedermayer (cherry picked from commit 4322be512b2bd6c7d8ee61a2b0230546f3107be0) --- libavcodec/ppc/svq1enc_altivec.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libavcodec/ppc/svq1enc_altivec.c b/libavcodec/ppc/svq1enc_altivec.c index 5721bede34..78c79a68dc 100644 --- a/libavcodec/ppc/svq1enc_altivec.c +++ b/libavcodec/ppc/svq1enc_altivec.c @@ -29,7 +29,7 @@ #include "libavcodec/svq1encdsp.h" -#if HAVE_ALTIVEC +#if HAVE_ALTIVEC && HAVE_BIGENDIAN static int ssd_int8_vs_int16_altivec(const int8_t *pix1, const int16_t *pix2, intptr_t size) { @@ -69,14 +69,14 @@ static int ssd_int8_vs_int16_altivec(const int8_t *pix1, const int16_t *pix2, return u.score[3]; } -#endif /* HAVE_ALTIVEC */ +#endif /* HAVE_ALTIVEC && HAVE_BIGENDIAN */ av_cold void ff_svq1enc_init_ppc(SVQ1EncDSPContext *c) { -#if HAVE_ALTIVEC +#if HAVE_ALTIVEC && HAVE_BIGENDIAN if (!PPC_ALTIVEC(av_get_cpu_flags())) return; c->ssd_int8_vs_int16 = ssd_int8_vs_int16_altivec; -#endif /* HAVE_ALTIVEC */ +#endif /* HAVE_ALTIVEC && HAVE_BIGENDIAN */ } -- 2.49.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".