From patchwork Wed Dec 11 08:46:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fu, Linjie" X-Patchwork-Id: 16725 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id A9C57449917 for ; Wed, 11 Dec 2019 10:56:04 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 9175068ADB2; Wed, 11 Dec 2019 10:56:04 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 3490968AE4C for ; Wed, 11 Dec 2019 10:56:02 +0200 (EET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Dec 2019 00:56:01 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,301,1571727600"; d="scan'208";a="220403787" Received: from icl-dev.sh.intel.com ([10.239.158.73]) by fmsmga001.fm.intel.com with ESMTP; 11 Dec 2019 00:56:00 -0800 From: Linjie Fu To: ffmpeg-devel@ffmpeg.org Date: Wed, 11 Dec 2019 16:46:34 +0800 Message-Id: <1576053994-1181-1-git-send-email-linjie.fu@intel.com> X-Mailer: git-send-email 2.7.4 Subject: [FFmpeg-devel] [PATCH 4/4] lavc/x86/hevc_add_res: Fix coeff overflow in ADD_RES_SSE_16_32_8 X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 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: Xu Guangxin , Linjie Fu MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Fix overflow for coeff -32768 in function ADD_RES_SSE_16_32_8 with no performance drop.(SSE2/AVX/AVX2) ./checkasm --test=hevc_add_res --bench Mainline: - hevc_add_res.add_residual [OK] hevc_add_res_32x32_8_sse2: 127.5 hevc_add_res_32x32_8_avx: 127.0 hevc_add_res_32x32_8_avx2: 86.5 Add overflow test case: - hevc_add_res.add_residual [FAILED] After: - hevc_add_res.add_residual [OK] hevc_add_res_32x32_8_sse2: 126.8 hevc_add_res_32x32_8_avx: 128.3 hevc_add_res_32x32_8_avx2: 86.8 Signed-off-by: Xu Guangxin Signed-off-by: Linjie Fu --- libavcodec/x86/hevc_add_res.asm | 50 +++++++++++++++++++++-------------------- 1 file changed, 26 insertions(+), 24 deletions(-) diff --git a/libavcodec/x86/hevc_add_res.asm b/libavcodec/x86/hevc_add_res.asm index e5e9f24..4d3aefc 100644 --- a/libavcodec/x86/hevc_add_res.asm +++ b/libavcodec/x86/hevc_add_res.asm @@ -84,34 +84,36 @@ cglobal hevc_add_residual_4_8, 3, 3, 6 %endmacro %macro ADD_RES_SSE_16_32_8 3 - mova xm2, [r1+%1] - mova xm6, [r1+%1+16] + mova m1, [%2] + mova m2, m1 + punpcklbw m1, m0 + punpckhbw m2, m0 + mova xm5, [r1+%1] + mova xm6, [r1+%1+16] %if cpuflag(avx2) - vinserti128 m2, m2, [r1+%1+32], 1 - vinserti128 m6, m6, [r1+%1+48], 1 + vinserti128 m5, m5, [r1+%1+32], 1 + vinserti128 m6, m6, [r1+%1+48], 1 %endif - psubw m1, m0, m2 - psubw m5, m0, m6 - packuswb m2, m6 - packuswb m1, m5 - - mova xm4, [r1+%1+mmsize*2] - mova xm6, [r1+%1+mmsize*2+16] + paddsw m1, m5 + paddsw m2, m6 + + mova m3, [%3] + mova m4, m3 + punpcklbw m3, m0 + punpckhbw m4, m0 + mova xm5, [r1+%1+mmsize*2] + mova xm6, [r1+%1+mmsize*2+16] %if cpuflag(avx2) - vinserti128 m4, m4, [r1+%1+96 ], 1 - vinserti128 m6, m6, [r1+%1+112], 1 + vinserti128 m5, m5, [r1+%1+96], 1 + vinserti128 m6, m6, [r1+%1+112], 1 %endif - psubw m3, m0, m4 - psubw m5, m0, m6 - packuswb m4, m6 - packuswb m3, m5 - - paddusb m2, [%2] - paddusb m4, [%3] - psubusb m2, m1 - psubusb m4, m3 - mova [%2], m2 - mova [%3], m4 + paddsw m3, m5 + paddsw m4, m6 + + packuswb m1, m2 + packuswb m3, m4 + mova [%2], m1 + mova [%3], m3 %endmacro