/**************************************************************************** * dct-a-common.S: aarch64 transform and zigzag ***************************************************************************** * Copyright (C) 2009-2025 x264 project * * Authors: David Conrad * Janne Grunau * David Chen * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. * * This program is also available under a commercial proprietary license. * For more information, contact us at licensing@x264.com. *****************************************************************************/ // This file contains the NEON macros that are intended to be used by // the SVE/SVE2 functions as well .macro DCT_1D v0 v1 v2 v3 v4 v5 v6 v7 SUMSUB_AB \v1, \v6, \v5, \v6 SUMSUB_AB \v3, \v7, \v4, \v7 add \v0, \v3, \v1 add \v4, \v7, \v7 add \v5, \v6, \v6 sub \v2, \v3, \v1 add \v1, \v4, \v6 sub \v3, \v7, \v5 .endm