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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6148 | serge | 1 | /* |
| 2 | * Copyright (c) 2003-2004 Romain Dolbeau |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include "libavutil/attributes.h" |
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| 22 | #include "libavcodec/videodsp.h" |
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| 23 | |||
| 24 | static void prefetch_ppc(uint8_t *mem, ptrdiff_t stride, int h) |
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| 25 | { |
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| 26 | register const uint8_t *p = mem; |
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| 27 | do { |
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| 28 | __asm__ volatile ("dcbt 0,%0" : : "r" (p)); |
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| 29 | p += stride; |
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| 30 | } while(--h); |
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| 31 | } |
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| 32 | |||
| 33 | av_cold void ff_videodsp_init_ppc(VideoDSPContext *ctx, int bpc) |
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| 34 | { |
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| 35 | ctx->prefetch = prefetch_ppc; |
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| 36 | } |