2 * Copyright (c) 2017 Kaustubh Raste (kaustubh.raste@imgtec.com)
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "libavutil/attributes.h"
23 #include "libavutil/mips/asmdefs.h"
24 #include "libavcodec/videodsp.h"
27 static void prefetch_mips(uint8_t *mem, ptrdiff_t stride, int h)
29 register const uint8_t *p = mem;
33 "pref 4, 0(%[p]) \n\t"
34 "pref 4, 32(%[p]) \n\t"
35 PTR_ADDIU" %[h], %[h], -1 \n\t"
36 PTR_ADDU " %[p], %[p], %[stride] \n\t"
40 : [p] "+r" (p), [h] "+r" (h)
41 : [stride] "r" (stride)
44 #endif // #if HAVE_MSA
46 av_cold void ff_videodsp_init_mips(VideoDSPContext *ctx, int bpc)
49 ctx->prefetch = prefetch_mips;
50 #endif // #if HAVE_MSA