1/* 2 * Alpha optimised block operations 3 * Copyright (c) 2002 Falk Hueffner <falk@debian.org> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#include <stdint.h> 23 24#include "libavutil/attributes.h" 25#include "libavcodec/blockdsp.h" 26#include "asm.h" 27 28static void clear_blocks_axp(int16_t *blocks) { 29 uint64_t *p = (uint64_t *) blocks; 30 int n = sizeof(int16_t) * 6 * 64; 31 32 do { 33 p[0] = 0; 34 p[1] = 0; 35 p[2] = 0; 36 p[3] = 0; 37 p[4] = 0; 38 p[5] = 0; 39 p[6] = 0; 40 p[7] = 0; 41 p += 8; 42 n -= 8 * 8; 43 } while (n); 44} 45 46av_cold void ff_blockdsp_init_alpha(BlockDSPContext *c) 47{ 48 c->clear_blocks = clear_blocks_axp; 49} 50